1 : /******************************************************************************
2 : * $Id: nitfdataset.cpp 25283 2012-12-03 21:01:15Z rouault $
3 : *
4 : * Project: NITF Read/Write Translator
5 : * Purpose: NITFDataset and driver related implementations.
6 : * Author: Frank Warmerdam, warmerdam@pobox.com
7 : *
8 : ******************************************************************************
9 : * Copyright (c) 2002, Frank Warmerdam
10 : *
11 : * Portions Copyright (c) Her majesty the Queen in right of Canada as
12 : * represented by the Minister of National Defence, 2006.
13 : *
14 : * Permission is hereby granted, free of charge, to any person obtaining a
15 : * copy of this software and associated documentation files (the "Software"),
16 : * to deal in the Software without restriction, including without limitation
17 : * the rights to use, copy, modify, merge, publish, distribute, sublicense,
18 : * and/or sell copies of the Software, and to permit persons to whom the
19 : * Software is furnished to do so, subject to the following conditions:
20 : *
21 : * The above copyright notice and this permission notice shall be included
22 : * in all copies or substantial portions of the Software.
23 : *
24 : * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
25 : * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
26 : * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
27 : * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
28 : * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
29 : * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
30 : * DEALINGS IN THE SOFTWARE.
31 : ****************************************************************************/
32 :
33 : #include "nitfdataset.h"
34 : #include "cpl_string.h"
35 : #include "cpl_csv.h"
36 :
37 : CPL_CVSID("$Id: nitfdataset.cpp 25283 2012-12-03 21:01:15Z rouault $");
38 :
39 : static void NITFPatchImageLength( const char *pszFilename,
40 : GUIntBig nImageOffset,
41 : GIntBig nPixelCount, const char *pszIC );
42 : static int NITFWriteCGMSegments( const char *pszFilename, char **papszList );
43 : static void NITFWriteTextSegments( const char *pszFilename, char **papszList );
44 :
45 : #ifdef JPEG_SUPPORTED
46 : static int NITFWriteJPEGImage( GDALDataset *, VSILFILE *, vsi_l_offset, char **,
47 : GDALProgressFunc pfnProgress,
48 : void * pProgressData );
49 : #endif
50 :
51 : #ifdef ESRI_BUILD
52 : static void SetBandMetadata( NITFImage *psImage, GDALRasterBand *poBand, int nBand );
53 : #endif
54 :
55 : /************************************************************************/
56 : /* ==================================================================== */
57 : /* NITFDataset */
58 : /* ==================================================================== */
59 : /************************************************************************/
60 :
61 : /************************************************************************/
62 : /* NITFDataset() */
63 : /************************************************************************/
64 :
65 555 : NITFDataset::NITFDataset()
66 :
67 : {
68 555 : psFile = NULL;
69 555 : psImage = NULL;
70 555 : bGotGeoTransform = FALSE;
71 555 : pszProjection = CPLStrdup("");
72 555 : poJ2KDataset = NULL;
73 555 : bJP2Writing = FALSE;
74 555 : poJPEGDataset = NULL;
75 :
76 555 : panJPEGBlockOffset = NULL;
77 555 : pabyJPEGBlock = NULL;
78 555 : nQLevel = 0;
79 :
80 555 : nGCPCount = 0;
81 555 : pasGCPList = NULL;
82 555 : pszGCPProjection = NULL;
83 :
84 555 : adfGeoTransform[0] = 0.0;
85 555 : adfGeoTransform[1] = 1.0;
86 555 : adfGeoTransform[2] = 0.0;
87 555 : adfGeoTransform[3] = 0.0;
88 555 : adfGeoTransform[4] = 0.0;
89 555 : adfGeoTransform[5] = 1.0;
90 :
91 555 : poDriver = (GDALDriver*) GDALGetDriverByName("NITF");
92 :
93 555 : papszTextMDToWrite = NULL;
94 555 : papszCgmMDToWrite = NULL;
95 :
96 555 : bInLoadXML = FALSE;
97 555 : bExposeUnderlyingJPEGDatasetOverviews = FALSE;
98 555 : }
99 :
100 : /************************************************************************/
101 : /* ~NITFDataset() */
102 : /************************************************************************/
103 :
104 555 : NITFDataset::~NITFDataset()
105 :
106 : {
107 555 : CloseDependentDatasets();
108 :
109 : /* -------------------------------------------------------------------- */
110 : /* Free datastructures. */
111 : /* -------------------------------------------------------------------- */
112 555 : CPLFree( pszProjection );
113 :
114 555 : GDALDeinitGCPs( nGCPCount, pasGCPList );
115 555 : CPLFree( pasGCPList );
116 555 : CPLFree( pszGCPProjection );
117 :
118 555 : CPLFree( panJPEGBlockOffset );
119 555 : CPLFree( pabyJPEGBlock );
120 555 : }
121 :
122 : /************************************************************************/
123 : /* CloseDependentDatasets() */
124 : /************************************************************************/
125 :
126 555 : int NITFDataset::CloseDependentDatasets()
127 : {
128 555 : FlushCache();
129 :
130 555 : int bHasDroppedRef = GDALPamDataset::CloseDependentDatasets();
131 :
132 : /* -------------------------------------------------------------------- */
133 : /* If we have been writing to a JPEG2000 file, check if the */
134 : /* color interpretations were set. If so, apply the settings */
135 : /* to the NITF file. */
136 : /* -------------------------------------------------------------------- */
137 555 : if( poJ2KDataset != NULL && bJP2Writing )
138 : {
139 : int i;
140 :
141 4 : for( i = 0; i < nBands && papoBands != NULL; i++ )
142 : {
143 3 : if( papoBands[i]->GetColorInterpretation() != GCI_Undefined )
144 : NITFSetColorInterpretation( psImage, i+1,
145 3 : papoBands[i]->GetColorInterpretation() );
146 : }
147 : }
148 :
149 : /* -------------------------------------------------------------------- */
150 : /* Close the underlying NITF file. */
151 : /* -------------------------------------------------------------------- */
152 555 : GUIntBig nImageStart = 0;
153 555 : if( psFile != NULL )
154 : {
155 555 : if (psFile->nSegmentCount > 0)
156 555 : nImageStart = psFile->pasSegmentInfo[0].nSegmentStart;
157 :
158 555 : NITFClose( psFile );
159 555 : psFile = NULL;
160 : }
161 :
162 : /* -------------------------------------------------------------------- */
163 : /* If we have a jpeg2000 output file, make sure it gets closed */
164 : /* and flushed out. */
165 : /* -------------------------------------------------------------------- */
166 555 : if( poJ2KDataset != NULL )
167 : {
168 23 : GDALClose( (GDALDatasetH) poJ2KDataset );
169 23 : poJ2KDataset = NULL;
170 23 : bHasDroppedRef = TRUE;
171 : }
172 :
173 : /* -------------------------------------------------------------------- */
174 : /* Update file length, and COMRAT for JPEG2000 files we are */
175 : /* writing to. */
176 : /* -------------------------------------------------------------------- */
177 555 : if( bJP2Writing )
178 : {
179 : GIntBig nPixelCount = nRasterXSize * ((GIntBig) nRasterYSize) *
180 1 : nBands;
181 :
182 1 : NITFPatchImageLength( GetDescription(), nImageStart, nPixelCount,
183 2 : "C8" );
184 : }
185 :
186 555 : bJP2Writing = FALSE;
187 :
188 : /* -------------------------------------------------------------------- */
189 : /* If we have a jpeg output file, make sure it gets closed */
190 : /* and flushed out. */
191 : /* -------------------------------------------------------------------- */
192 555 : if( poJPEGDataset != NULL )
193 : {
194 13 : GDALClose( (GDALDatasetH) poJPEGDataset );
195 13 : poJPEGDataset = NULL;
196 13 : bHasDroppedRef = TRUE;
197 : }
198 :
199 : /* -------------------------------------------------------------------- */
200 : /* If the dataset was opened by Create(), we may need to write */
201 : /* the CGM and TEXT segments */
202 : /* -------------------------------------------------------------------- */
203 555 : NITFWriteCGMSegments( GetDescription(), papszCgmMDToWrite );
204 555 : NITFWriteTextSegments( GetDescription(), papszTextMDToWrite );
205 :
206 555 : CSLDestroy(papszTextMDToWrite);
207 555 : papszTextMDToWrite = NULL;
208 555 : CSLDestroy(papszCgmMDToWrite);
209 555 : papszCgmMDToWrite = NULL;
210 :
211 : /* -------------------------------------------------------------------- */
212 : /* Destroy the raster bands if they exist. */
213 : /* We must do it now since the rasterbands can be NITFWrapperRasterBand */
214 : /* that derive from the GDALProxyRasterBand object, which keeps */
215 : /* a reference on the JPEG/JP2K dataset, so any later call to */
216 : /* FlushCache() would result in FlushCache() being called on a */
217 : /* already destroyed object */
218 : /* -------------------------------------------------------------------- */
219 211335 : for( int iBand = 0; iBand < nBands; iBand++ )
220 : {
221 210780 : delete papoBands[iBand];
222 : }
223 555 : nBands = 0;
224 :
225 555 : return bHasDroppedRef;
226 : }
227 :
228 : /************************************************************************/
229 : /* FlushCache() */
230 : /************************************************************************/
231 :
232 555 : void NITFDataset::FlushCache()
233 :
234 : {
235 : // If the JPEG/JP2K dataset has dirty pam info, then we should consider
236 : // ourselves to as well.
237 555 : if( poJPEGDataset != NULL
238 : && (poJPEGDataset->GetPamFlags() & GPF_DIRTY) )
239 3 : MarkPamDirty();
240 555 : if( poJ2KDataset != NULL
241 : && (poJ2KDataset->GetPamFlags() & GPF_DIRTY) )
242 1 : MarkPamDirty();
243 :
244 555 : if( poJ2KDataset != NULL && bJP2Writing)
245 1 : poJ2KDataset->FlushCache();
246 :
247 555 : GDALPamDataset::FlushCache();
248 555 : }
249 :
250 : #ifdef ESRI_BUILD
251 :
252 : /************************************************************************/
253 : /* ExtractEsriMD() */
254 : /* */
255 : /* Extracts ESRI-specific required meta data from metadata */
256 : /* string list papszStrList. */
257 : /************************************************************************/
258 :
259 : static char **ExtractEsriMD( char **papszMD )
260 : {
261 : char **papszEsriMD = NULL;
262 :
263 : if( papszMD )
264 : {
265 : // These are the current generic ESRI metadata.
266 : const char *const pEsriMDAcquisitionDate = "ESRI_MD_ACQUISITION_DATE";
267 : const char *const pEsriMDAngleToNorth = "ESRI_MD_ANGLE_TO_NORTH";
268 : const char *const pEsriMDCircularError = "ESRI_MD_CE";
269 : const char *const pEsriMDDataType = "ESRI_MD_DATA_TYPE";
270 : const char *const pEsriMDIsCloudCover = "ESRI_MD_ISCLOUDCOVER";
271 : const char *const pEsriMDLinearError = "ESRI_MD_LE";
272 : const char *const pEsriMDOffNaDir = "ESRI_MD_OFF_NADIR";
273 : const char *const pEsriMDPercentCloudCover = "ESRI_MD_PERCENT_CLOUD_COVER";
274 : const char *const pEsriMDProductName = "ESRI_MD_PRODUCT_NAME";
275 : const char *const pEsriMDSensorAzimuth = "ESRI_MD_SENSOR_AZIMUTH";
276 : const char *const pEsriMDSensorElevation = "ESRI_MD_SENSOR_ELEVATION";
277 : const char *const pEsriMDSensorName = "ESRI_MD_SENSOR_NAME";
278 : const char *const pEsriMDSunAzimuth = "ESRI_MD_SUN_AZIMUTH";
279 : const char *const pEsriMDSunElevation = "ESRI_MD_SUN_ELEVATION";
280 :
281 : char szField[11];
282 : const char *pCCImageSegment = CSLFetchNameValue( papszMD, "NITF_IID1" );
283 : std::string ccSegment("false");
284 :
285 : if( ( pCCImageSegment != NULL ) && ( strlen(pCCImageSegment) <= 10 ) )
286 : {
287 : szField[0] = '\0';
288 : strncpy( szField, pCCImageSegment, strlen(pCCImageSegment) );
289 : szField[strlen(pCCImageSegment)] = '\0';
290 :
291 : // Trim white off tag.
292 : while( ( strlen(szField) > 0 ) && ( szField[strlen(szField)-1] == ' ' ) )
293 : szField[strlen(szField)-1] = '\0';
294 :
295 : if ((strlen(szField) == 2) && (EQUALN(szField, "CC", 2))) ccSegment.assign("true");
296 : }
297 :
298 : const char *pAcquisitionDate = CSLFetchNameValue( papszMD, "NITF_FDT" );
299 : const char *pAngleToNorth = CSLFetchNameValue( papszMD, "NITF_CSEXRA_ANGLE_TO_NORTH" );
300 : const char *pCircularError = CSLFetchNameValue( papszMD, "NITF_CSEXRA_CIRCL_ERR" ); // Unit in feet.
301 : const char *pLinearError = CSLFetchNameValue( papszMD, "NITF_CSEXRA_LINEAR_ERR" ); // Unit in feet.
302 : const char *pPercentCloudCover = CSLFetchNameValue( papszMD, "NITF_PIAIMC_CLOUDCVR" );
303 : const char *pProductName = CSLFetchNameValue( papszMD, "NITF_CSDIDA_PRODUCT_ID" );
304 : const char *pSensorName = CSLFetchNameValue( papszMD, "NITF_PIAIMC_SENSNAME" );
305 : const char *pSunAzimuth = CSLFetchNameValue( papszMD, "NITF_CSEXRA_SUN_AZIMUTH" );
306 : const char *pSunElevation = CSLFetchNameValue( papszMD, "NITF_CSEXRA_SUN_ELEVATION" );
307 :
308 : // Get ESRI_MD_DATA_TYPE.
309 : const char *pDataType = NULL;
310 : const char *pImgSegFieldICAT = CSLFetchNameValue( papszMD, "NITF_ICAT" );
311 :
312 : if( ( pImgSegFieldICAT != NULL ) && ( EQUALN(pImgSegFieldICAT, "DTEM", 4) ) )
313 : pDataType = "Elevation";
314 : else
315 : pDataType = "Generic";
316 :
317 : if( pAngleToNorth == NULL )
318 : pAngleToNorth = CSLFetchNameValue( papszMD, "NITF_USE00A_ANGLE_TO_NORTH" );
319 :
320 : // Percent cloud cover == 999 means that the information is not available.
321 : if( (pPercentCloudCover != NULL) && (EQUALN(pPercentCloudCover, "999", 3)) )
322 : pPercentCloudCover = NULL;
323 :
324 : pAngleToNorth = CSLFetchNameValue( papszMD, "NITF_USE00A_ANGLE_TO_NORTH" );
325 :
326 : if( pSunAzimuth == NULL )
327 : pSunAzimuth = CSLFetchNameValue( papszMD, "NITF_USE00A_SUN_AZ" );
328 :
329 : if( pSunElevation == NULL )
330 : pSunElevation = CSLFetchNameValue( papszMD, "NITF_USE00A_SUN_EL" );
331 :
332 : // CSLAddNameValue will not add the key/value pair if the value is NULL.
333 : papszEsriMD = CSLAddNameValue( papszEsriMD, pEsriMDAcquisitionDate, pAcquisitionDate );
334 : papszEsriMD = CSLAddNameValue( papszEsriMD, pEsriMDAngleToNorth, pAngleToNorth );
335 : papszEsriMD = CSLAddNameValue( papszEsriMD, pEsriMDCircularError, pCircularError );
336 : papszEsriMD = CSLAddNameValue( papszEsriMD, pEsriMDDataType, pDataType );
337 : papszEsriMD = CSLAddNameValue( papszEsriMD, pEsriMDIsCloudCover, ccSegment.c_str() );
338 : papszEsriMD = CSLAddNameValue( papszEsriMD, pEsriMDLinearError, pLinearError );
339 : papszEsriMD = CSLAddNameValue( papszEsriMD, pEsriMDProductName, pProductName );
340 : papszEsriMD = CSLAddNameValue( papszEsriMD, pEsriMDPercentCloudCover, pPercentCloudCover );
341 : papszEsriMD = CSLAddNameValue( papszEsriMD, pEsriMDSensorName, pSensorName );
342 : papszEsriMD = CSLAddNameValue( papszEsriMD, pEsriMDSunAzimuth, pSunAzimuth );
343 : papszEsriMD = CSLAddNameValue( papszEsriMD, pEsriMDSunElevation, pSunElevation );
344 : }
345 :
346 : return (papszEsriMD);
347 : }
348 :
349 : /************************************************************************/
350 : /* SetBandMetadata() */
351 : /************************************************************************/
352 :
353 : static void SetBandMetadata( NITFImage *psImage, GDALRasterBand *poBand, int nBand )
354 : {
355 : if( (psImage != NULL) && (poBand != NULL) && (nBand > 0) )
356 : {
357 : NITFBandInfo *psBandInfo = psImage->pasBandInfo + nBand - 1;
358 :
359 : if( psBandInfo != NULL )
360 : {
361 : // Set metadata BandName, WavelengthMax and WavelengthMin.
362 :
363 : if ( psBandInfo->szIREPBAND != NULL )
364 : {
365 : if( EQUAL(psBandInfo->szIREPBAND,"B") )
366 : {
367 : poBand->SetMetadataItem( "BandName", "Blue" );
368 : poBand->SetMetadataItem( "WavelengthMax", psBandInfo->szISUBCAT );
369 : poBand->SetMetadataItem( "WavelengthMin", psBandInfo->szISUBCAT );
370 : }
371 : else if( EQUAL(psBandInfo->szIREPBAND,"G") )
372 : {
373 : poBand->SetMetadataItem( "BandName", "Green" );
374 : poBand->SetMetadataItem( "WavelengthMax", psBandInfo->szISUBCAT );
375 : poBand->SetMetadataItem( "WavelengthMin", psBandInfo->szISUBCAT );
376 : }
377 : else if( EQUAL(psBandInfo->szIREPBAND,"R") )
378 : {
379 : poBand->SetMetadataItem( "BandName", "Red" );
380 : poBand->SetMetadataItem( "WavelengthMax", psBandInfo->szISUBCAT );
381 : poBand->SetMetadataItem( "WavelengthMin", psBandInfo->szISUBCAT );
382 : }
383 : else if( EQUAL(psBandInfo->szIREPBAND,"N") )
384 : {
385 : poBand->SetMetadataItem( "BandName", "NearInfrared" );
386 : poBand->SetMetadataItem( "WavelengthMax", psBandInfo->szISUBCAT );
387 : poBand->SetMetadataItem( "WavelengthMin", psBandInfo->szISUBCAT );
388 : }
389 : else if( ( EQUAL(psBandInfo->szIREPBAND,"M") ) || ( ( psImage->szIREP != NULL ) && ( EQUAL(psImage->szIREP,"MONO") ) ) )
390 : {
391 : poBand->SetMetadataItem( "BandName", "Panchromatic" );
392 : }
393 : else
394 : {
395 : if( ( psImage->szICAT != NULL ) && ( EQUAL(psImage->szICAT,"IR") ) )
396 : {
397 : poBand->SetMetadataItem( "BandName", "Infrared" );
398 : poBand->SetMetadataItem( "WavelengthMax", psBandInfo->szISUBCAT );
399 : poBand->SetMetadataItem( "WavelengthMin", psBandInfo->szISUBCAT );
400 : }
401 : }
402 : }
403 : }
404 : }
405 : }
406 :
407 : #endif /* def ESRI_BUILD */
408 :
409 : /************************************************************************/
410 : /* Identify() */
411 : /************************************************************************/
412 :
413 15372 : int NITFDataset::Identify( GDALOpenInfo * poOpenInfo )
414 :
415 : {
416 15372 : const char *pszFilename = poOpenInfo->pszFilename;
417 :
418 : /* -------------------------------------------------------------------- */
419 : /* Is this a dataset selector? If so, it is obviously NITF. */
420 : /* -------------------------------------------------------------------- */
421 15372 : if( EQUALN(pszFilename, "NITF_IM:",8) )
422 13 : return TRUE;
423 :
424 : /* -------------------------------------------------------------------- */
425 : /* Avoid that on Windows, JPEG_SUBFILE:x,y,z,data/../tmp/foo.ntf */
426 : /* to be recognized by the NITF driver, because */
427 : /* 'JPEG_SUBFILE:x,y,z,data' is considered as a (valid) directory */
428 : /* and thus the whole filename is evaluated as tmp/foo.ntf */
429 : /* -------------------------------------------------------------------- */
430 15359 : if( EQUALN(pszFilename,"JPEG_SUBFILE:",13) )
431 64 : return FALSE;
432 :
433 : /* -------------------------------------------------------------------- */
434 : /* First we check to see if the file has the expected header */
435 : /* bytes. */
436 : /* -------------------------------------------------------------------- */
437 15295 : if( poOpenInfo->nHeaderBytes < 4 )
438 11921 : return FALSE;
439 :
440 3374 : if( !EQUALN((char *) poOpenInfo->pabyHeader,"NITF",4)
441 : && !EQUALN((char *) poOpenInfo->pabyHeader,"NSIF",4)
442 : && !EQUALN((char *) poOpenInfo->pabyHeader,"NITF",4) )
443 2735 : return FALSE;
444 :
445 : int i;
446 : /* Check that it's not in fact a NITF A.TOC file, which is handled by the RPFTOC driver */
447 587528 : for(i=0;i<(int)poOpenInfo->nHeaderBytes-(int)strlen("A.TOC");i++)
448 : {
449 586889 : if (EQUALN((const char*)poOpenInfo->pabyHeader + i, "A.TOC", strlen("A.TOC")))
450 0 : return FALSE;
451 : }
452 :
453 639 : return TRUE;
454 : }
455 :
456 : /************************************************************************/
457 : /* Open() */
458 : /************************************************************************/
459 :
460 4929 : GDALDataset *NITFDataset::Open( GDALOpenInfo * poOpenInfo )
461 : {
462 4929 : return OpenInternal(poOpenInfo, NULL, FALSE);
463 : }
464 :
465 5088 : GDALDataset *NITFDataset::OpenInternal( GDALOpenInfo * poOpenInfo,
466 : GDALDataset *poWritableJ2KDataset,
467 : int bOpenForCreate)
468 :
469 : {
470 5088 : int nIMIndex = -1;
471 5088 : const char *pszFilename = poOpenInfo->pszFilename;
472 :
473 5088 : if( !Identify( poOpenInfo ) )
474 4501 : return NULL;
475 :
476 : /* -------------------------------------------------------------------- */
477 : /* Select a specific subdataset. */
478 : /* -------------------------------------------------------------------- */
479 587 : if( EQUALN(pszFilename, "NITF_IM:",8) )
480 : {
481 13 : pszFilename += 8;
482 13 : nIMIndex = atoi(pszFilename);
483 :
484 43 : while( *pszFilename != '\0' && *pszFilename != ':' )
485 17 : pszFilename++;
486 :
487 13 : if( *pszFilename == ':' )
488 13 : pszFilename++;
489 : }
490 :
491 : /* -------------------------------------------------------------------- */
492 : /* Open the file with library. */
493 : /* -------------------------------------------------------------------- */
494 : NITFFile *psFile;
495 :
496 587 : psFile = NITFOpen( pszFilename, poOpenInfo->eAccess == GA_Update );
497 587 : if( psFile == NULL )
498 : {
499 13 : return NULL;
500 : }
501 :
502 574 : if (!bOpenForCreate)
503 : {
504 415 : NITFCollectAttachments( psFile );
505 415 : NITFReconcileAttachments( psFile );
506 : }
507 :
508 : /* -------------------------------------------------------------------- */
509 : /* Is there an image to operate on? */
510 : /* -------------------------------------------------------------------- */
511 574 : int iSegment, nThisIM = 0;
512 574 : NITFImage *psImage = NULL;
513 :
514 2599 : for( iSegment = 0; iSegment < psFile->nSegmentCount; iSegment++ )
515 : {
516 2596 : if( EQUAL(psFile->pasSegmentInfo[iSegment].szSegmentType,"IM")
517 : && (nThisIM++ == nIMIndex || nIMIndex == -1) )
518 : {
519 571 : psImage = NITFImageAccess( psFile, iSegment );
520 571 : if( psImage == NULL )
521 : {
522 19 : NITFClose( psFile );
523 19 : return NULL;
524 : }
525 552 : break;
526 : }
527 : }
528 :
529 : /* -------------------------------------------------------------------- */
530 : /* If no image segments found report this to the user. */
531 : /* -------------------------------------------------------------------- */
532 555 : if( psImage == NULL )
533 : {
534 : CPLError( CE_Warning, CPLE_AppDefined,
535 : "The file %s appears to be an NITF file, but no image\n"
536 : "blocks were found on it.",
537 3 : poOpenInfo->pszFilename );
538 : }
539 :
540 : /* -------------------------------------------------------------------- */
541 : /* Create a corresponding GDALDataset. */
542 : /* -------------------------------------------------------------------- */
543 : NITFDataset *poDS;
544 :
545 555 : poDS = new NITFDataset();
546 :
547 555 : poDS->psFile = psFile;
548 555 : poDS->psImage = psImage;
549 555 : poDS->eAccess = poOpenInfo->eAccess;
550 1110 : poDS->osNITFFilename = pszFilename;
551 555 : poDS->nIMIndex = nIMIndex;
552 :
553 555 : if( psImage )
554 : {
555 552 : if (psImage->nCols <= 0 || psImage->nRows <= 0 ||
556 : psImage->nBlockWidth <= 0 || psImage->nBlockHeight <= 0)
557 : {
558 : CPLError( CE_Failure, CPLE_AppDefined,
559 : "Bad values in NITF image : nCols=%d, nRows=%d, nBlockWidth=%d, nBlockHeight=%d",
560 0 : psImage->nCols, psImage->nRows, psImage->nBlockWidth, psImage->nBlockHeight);
561 0 : delete poDS;
562 0 : return NULL;
563 : }
564 :
565 552 : poDS->nRasterXSize = psImage->nCols;
566 552 : poDS->nRasterYSize = psImage->nRows;
567 : }
568 : else
569 : {
570 3 : poDS->nRasterXSize = 1;
571 3 : poDS->nRasterYSize = 1;
572 : }
573 :
574 : /* Can be set to NO to avoid opening the underlying JPEG2000/JPEG */
575 : /* stream. Might speed up operations when just metadata is needed */
576 : int bOpenUnderlyingDS = CSLTestBoolean(
577 555 : CPLGetConfigOption("NITF_OPEN_UNDERLYING_DS", "YES"));
578 :
579 : /* -------------------------------------------------------------------- */
580 : /* If the image is JPEG2000 (C8) compressed, we will need to */
581 : /* open the image data as a JPEG2000 dataset. */
582 : /* -------------------------------------------------------------------- */
583 555 : int nUsableBands = 0;
584 : int iBand;
585 555 : int bSetColorInterpretation = TRUE;
586 555 : int bSetColorTable = FALSE;
587 :
588 555 : if( psImage )
589 552 : nUsableBands = psImage->nBands;
590 :
591 578 : if( bOpenUnderlyingDS && psImage != NULL && EQUAL(psImage->szIC,"C8") )
592 : {
593 23 : CPLString osDSName;
594 :
595 : osDSName.Printf( "/vsisubfile/" CPL_FRMT_GUIB "_" CPL_FRMT_GUIB ",%s",
596 23 : psFile->pasSegmentInfo[iSegment].nSegmentStart,
597 23 : psFile->pasSegmentInfo[iSegment].nSegmentSize,
598 46 : pszFilename );
599 :
600 23 : if( poWritableJ2KDataset != NULL )
601 : {
602 1 : poDS->poJ2KDataset = (GDALPamDataset *) poWritableJ2KDataset;
603 1 : poDS->bJP2Writing = TRUE;
604 1 : poWritableJ2KDataset = NULL;
605 : }
606 : else
607 : {
608 : /* We explicitely list the allowed drivers to avoid hostile content */
609 : /* to be opened by a random driver, and also to make sure that */
610 : /* a future new JPEG2000 compatible driver derives from GDALPamDataset */
611 : static const char * const apszDrivers[] = { "JP2KAK", "JP2ECW", "JP2MRSID",
612 : "JPEG2000", "JP2OPENJPEG", NULL };
613 : poDS->poJ2KDataset = (GDALPamDataset *)
614 22 : GDALOpenInternal( osDSName, GA_ReadOnly, apszDrivers);
615 :
616 22 : if( poDS->poJ2KDataset == NULL )
617 : {
618 0 : int bFoundJPEG2000Driver = FALSE;
619 0 : for(int iDriver=0;apszDrivers[iDriver]!=NULL;iDriver++)
620 : {
621 0 : if (GDALGetDriverByName(apszDrivers[iDriver]) != NULL)
622 0 : bFoundJPEG2000Driver = TRUE;
623 : }
624 :
625 : CPLError( CE_Failure, CPLE_AppDefined,
626 : "Unable to open JPEG2000 image within NITF file.\n%s\n%s",
627 : (!bFoundJPEG2000Driver) ?
628 : "No JPEG2000 capable driver (JP2KAK, JP2ECW, JP2MRSID, JP2OPENJPEG, etc...) is available." :
629 : "One or several JPEG2000 capable drivers are available but the datastream could not be opened successfully.",
630 0 : "You can define the NITF_OPEN_UNDERLYING_DS configuration option to NO, in order to just get the metadata.");
631 0 : delete poDS;
632 0 : return NULL;
633 : }
634 :
635 : poDS->poJ2KDataset->SetPamFlags(
636 22 : poDS->poJ2KDataset->GetPamFlags() | GPF_NOSAVE );
637 : }
638 :
639 23 : if( poDS->GetRasterXSize() != poDS->poJ2KDataset->GetRasterXSize()
640 : || poDS->GetRasterYSize() != poDS->poJ2KDataset->GetRasterYSize())
641 : {
642 : CPLError( CE_Failure, CPLE_AppDefined,
643 0 : "JPEG2000 data stream has not the same dimensions as the NITF file.");
644 0 : delete poDS;
645 0 : return NULL;
646 : }
647 :
648 23 : if ( nUsableBands == 1)
649 : {
650 18 : const char* pszIREP = CSLFetchNameValue(psImage->papszMetadata, "NITF_IREP");
651 18 : if (pszIREP != NULL && EQUAL(pszIREP, "RGB/LUT"))
652 : {
653 6 : if (poDS->poJ2KDataset->GetRasterCount() == 3)
654 : {
655 : /* Test case : http://www.gwg.nga.mil/ntb/baseline/software/testfile/Jpeg2000/jp2_09/file9_jp2_2places.ntf */
656 : /* 256-entry palette/LUT in both JP2 Header and image Subheader */
657 : /* In this case, the JPEG2000 driver will probably do the RGB expension */
658 2 : nUsableBands = 3;
659 2 : bSetColorInterpretation = FALSE;
660 : }
661 12 : else if (poDS->poJ2KDataset->GetRasterCount() == 1 &&
662 4 : psImage->pasBandInfo[0].nSignificantLUTEntries > 0 &&
663 4 : poDS->poJ2KDataset->GetRasterBand(1)->GetColorTable() == NULL)
664 : {
665 : /* Test case : http://www.gwg.nga.mil/ntb/baseline/software/testfile/Jpeg2000/jp2_09/file9_j2c.ntf */
666 : /* 256-entry/LUT in Image Subheader, JP2 header completely removed */
667 : /* The JPEG2000 driver will decode it as a grey band */
668 : /* So we must set the color table on the wrapper band */
669 4 : bSetColorTable = TRUE;
670 : }
671 : }
672 : }
673 :
674 23 : if( poDS->poJ2KDataset->GetRasterCount() < nUsableBands )
675 : {
676 : CPLError( CE_Warning, CPLE_AppDefined,
677 : "JPEG2000 data stream has less useful bands than expected, likely\n"
678 0 : "because some channels have differing resolutions." );
679 :
680 0 : nUsableBands = poDS->poJ2KDataset->GetRasterCount();
681 0 : }
682 : }
683 :
684 : /* -------------------------------------------------------------------- */
685 : /* If the image is JPEG (C3) compressed, we will need to open */
686 : /* the image data as a JPEG dataset. */
687 : /* -------------------------------------------------------------------- */
688 532 : else if( bOpenUnderlyingDS && psImage != NULL
689 : && EQUAL(psImage->szIC,"C3")
690 : && psImage->nBlocksPerRow == 1
691 : && psImage->nBlocksPerColumn == 1 )
692 : {
693 13 : GUIntBig nJPEGStart = psFile->pasSegmentInfo[iSegment].nSegmentStart;
694 :
695 13 : poDS->nQLevel = poDS->ScanJPEGQLevel( &nJPEGStart );
696 :
697 13 : CPLString osDSName;
698 :
699 : osDSName.Printf( "JPEG_SUBFILE:Q%d," CPL_FRMT_GUIB "," CPL_FRMT_GUIB ",%s",
700 : poDS->nQLevel, nJPEGStart,
701 13 : psFile->pasSegmentInfo[iSegment].nSegmentSize
702 13 : - (nJPEGStart - psFile->pasSegmentInfo[iSegment].nSegmentStart),
703 26 : pszFilename );
704 :
705 : CPLDebug( "GDAL",
706 13 : "NITFDataset::Open() as IC=C3 (JPEG compressed)\n");
707 :
708 13 : poDS->poJPEGDataset = (GDALPamDataset*) GDALOpen(osDSName,GA_ReadOnly);
709 13 : if( poDS->poJPEGDataset == NULL )
710 : {
711 0 : int bFoundJPEGDriver = GDALGetDriverByName("JPEG") != NULL;
712 : CPLError( CE_Failure, CPLE_AppDefined,
713 : "Unable to open JPEG image within NITF file.\n%s\n%s",
714 : (!bFoundJPEGDriver) ?
715 : "The JPEG driver is not available." :
716 : "The JPEG driver is available but the datastream could not be opened successfully.",
717 0 : "You can define the NITF_OPEN_UNDERLYING_DS configuration option to NO, in order to just get the metadata.");
718 0 : delete poDS;
719 0 : return NULL;
720 : }
721 :
722 13 : if( poDS->GetRasterXSize() != poDS->poJPEGDataset->GetRasterXSize()
723 : || poDS->GetRasterYSize() != poDS->poJPEGDataset->GetRasterYSize())
724 : {
725 : CPLError( CE_Failure, CPLE_AppDefined,
726 0 : "JPEG data stream has not the same dimensions as the NITF file.");
727 0 : delete poDS;
728 0 : return NULL;
729 : }
730 :
731 : poDS->poJPEGDataset->SetPamFlags(
732 13 : poDS->poJPEGDataset->GetPamFlags() | GPF_NOSAVE );
733 :
734 13 : if( poDS->poJPEGDataset->GetRasterCount() < nUsableBands )
735 : {
736 : CPLError( CE_Warning, CPLE_AppDefined,
737 : "JPEG data stream has less useful bands than expected, likely\n"
738 0 : "because some channels have differing resolutions." );
739 :
740 0 : nUsableBands = poDS->poJPEGDataset->GetRasterCount();
741 0 : }
742 : }
743 :
744 : /* -------------------------------------------------------------------- */
745 : /* Create band information objects. */
746 : /* -------------------------------------------------------------------- */
747 :
748 555 : GDALDataset* poBaseDS = NULL;
749 555 : if (poDS->poJ2KDataset != NULL)
750 23 : poBaseDS = poDS->poJ2KDataset;
751 532 : else if (poDS->poJPEGDataset != NULL)
752 13 : poBaseDS = poDS->poJPEGDataset;
753 :
754 211335 : for( iBand = 0; iBand < nUsableBands; iBand++ )
755 : {
756 210780 : if( poBaseDS != NULL)
757 : {
758 : GDALRasterBand* poBaseBand =
759 56 : poBaseDS->GetRasterBand(iBand+1);
760 :
761 : #ifdef ESRI_BUILD
762 : SetBandMetadata( psImage, poBaseBand, iBand+1 );
763 : #endif
764 :
765 : NITFWrapperRasterBand* poBand =
766 56 : new NITFWrapperRasterBand(poDS, poBaseBand, iBand+1 );
767 :
768 56 : NITFBandInfo *psBandInfo = psImage->pasBandInfo + iBand;
769 56 : if (bSetColorInterpretation)
770 : {
771 : /* FIXME? Does it make sense if the JPEG/JPEG2000 driver decodes */
772 : /* YCbCr data as RGB. We probably don't want to set */
773 : /* the color interpretation as Y, Cb, Cr */
774 50 : if( EQUAL(psBandInfo->szIREPBAND,"R") )
775 2 : poBand->SetColorInterpretation( GCI_RedBand );
776 50 : if( EQUAL(psBandInfo->szIREPBAND,"G") )
777 2 : poBand->SetColorInterpretation( GCI_GreenBand );
778 50 : if( EQUAL(psBandInfo->szIREPBAND,"B") )
779 2 : poBand->SetColorInterpretation( GCI_BlueBand );
780 50 : if( EQUAL(psBandInfo->szIREPBAND,"M") )
781 25 : poBand->SetColorInterpretation( GCI_GrayIndex );
782 50 : if( EQUAL(psBandInfo->szIREPBAND,"Y") )
783 4 : poBand->SetColorInterpretation( GCI_YCbCr_YBand );
784 50 : if( EQUAL(psBandInfo->szIREPBAND,"Cb") )
785 4 : poBand->SetColorInterpretation( GCI_YCbCr_CbBand );
786 50 : if( EQUAL(psBandInfo->szIREPBAND,"Cr") )
787 4 : poBand->SetColorInterpretation( GCI_YCbCr_CrBand );
788 : }
789 56 : if (bSetColorTable)
790 : {
791 4 : poBand->SetColorTableFromNITFBandInfo();
792 4 : poBand->SetColorInterpretation( GCI_PaletteIndex );
793 : }
794 :
795 56 : poDS->SetBand( iBand+1, poBand );
796 : }
797 : else
798 : {
799 210724 : GDALRasterBand* poBand = new NITFRasterBand( poDS, iBand+1 );
800 210724 : if (poBand->GetRasterDataType() == GDT_Unknown)
801 : {
802 0 : delete poBand;
803 0 : delete poDS;
804 0 : return NULL;
805 : }
806 :
807 : #ifdef ESRI_BUILD
808 : SetBandMetadata( psImage, poBand, iBand+1 );
809 : #endif
810 :
811 210724 : poDS->SetBand( iBand+1, poBand );
812 : }
813 : }
814 :
815 : /* -------------------------------------------------------------------- */
816 : /* Report problems with odd bit sizes. */
817 : /* -------------------------------------------------------------------- */
818 555 : if( poOpenInfo->eAccess == GA_Update &&
819 : psImage != NULL
820 : && (psImage->nBitsPerSample % 8 != 0)
821 : && poDS->poJPEGDataset == NULL
822 : && poDS->poJ2KDataset == NULL )
823 : {
824 : CPLError( CE_Warning, CPLE_AppDefined,
825 : "Image with %d bits per sample cannot be opened in update mode.",
826 0 : psImage->nBitsPerSample );
827 0 : delete poDS;
828 0 : return NULL;
829 : }
830 :
831 : /* -------------------------------------------------------------------- */
832 : /* Process the projection from the ICORDS. */
833 : /* -------------------------------------------------------------------- */
834 555 : OGRSpatialReference oSRSWork;
835 :
836 555 : if( psImage == NULL )
837 : {
838 : /* nothing */
839 : }
840 673 : else if( psImage->chICORDS == 'G' || psImage->chICORDS == 'D' )
841 : {
842 121 : CPLFree( poDS->pszProjection );
843 121 : poDS->pszProjection = NULL;
844 :
845 121 : oSRSWork.SetWellKnownGeogCS( "WGS84" );
846 121 : oSRSWork.exportToWkt( &(poDS->pszProjection) );
847 : }
848 431 : else if( psImage->chICORDS == 'C' )
849 : {
850 0 : CPLFree( poDS->pszProjection );
851 0 : poDS->pszProjection = NULL;
852 :
853 0 : oSRSWork.SetWellKnownGeogCS( "WGS84" );
854 0 : oSRSWork.exportToWkt( &(poDS->pszProjection) );
855 :
856 : /* convert latitudes from geocentric to geodetic form. */
857 :
858 : psImage->dfULY =
859 : NITF_WGS84_Geocentric_Latitude_To_Geodetic_Latitude(
860 0 : psImage->dfULY );
861 : psImage->dfLLY =
862 : NITF_WGS84_Geocentric_Latitude_To_Geodetic_Latitude(
863 0 : psImage->dfLLY );
864 : psImage->dfURY =
865 : NITF_WGS84_Geocentric_Latitude_To_Geodetic_Latitude(
866 0 : psImage->dfURY );
867 : psImage->dfLRY =
868 : NITF_WGS84_Geocentric_Latitude_To_Geodetic_Latitude(
869 0 : psImage->dfLRY );
870 : }
871 474 : else if( psImage->chICORDS == 'S' || psImage->chICORDS == 'N' )
872 : {
873 43 : CPLFree( poDS->pszProjection );
874 43 : poDS->pszProjection = NULL;
875 :
876 43 : oSRSWork.SetUTM( psImage->nZone, psImage->chICORDS == 'N' );
877 43 : oSRSWork.SetWellKnownGeogCS( "WGS84" );
878 43 : oSRSWork.exportToWkt( &(poDS->pszProjection) );
879 : }
880 388 : else if( psImage->chICORDS == 'U' && psImage->nZone != 0 )
881 : {
882 2 : CPLFree( poDS->pszProjection );
883 2 : poDS->pszProjection = NULL;
884 :
885 2 : oSRSWork.SetUTM( ABS(psImage->nZone), psImage->nZone > 0 );
886 2 : oSRSWork.SetWellKnownGeogCS( "WGS84" );
887 2 : oSRSWork.exportToWkt( &(poDS->pszProjection) );
888 : }
889 :
890 :
891 : /* -------------------------------------------------------------------- */
892 : /* Try looking for a .nfw file. */
893 : /* -------------------------------------------------------------------- */
894 555 : if( psImage
895 : && GDALReadWorldFile( pszFilename, "nfw",
896 : poDS->adfGeoTransform ) )
897 : {
898 : const char *pszHDR;
899 : VSILFILE *fpHDR;
900 : char **papszLines;
901 : int isNorth;
902 : int zone;
903 :
904 3 : poDS->bGotGeoTransform = TRUE;
905 :
906 : /* If nfw found, try looking for a header with projection info */
907 : /* in space imaging style format */
908 3 : pszHDR = CPLResetExtension( pszFilename, "hdr" );
909 :
910 3 : fpHDR = VSIFOpenL( pszHDR, "rt" );
911 :
912 3 : if( fpHDR == NULL && VSIIsCaseSensitiveFS(pszHDR) )
913 : {
914 1 : pszHDR = CPLResetExtension( pszFilename, "HDR" );
915 1 : fpHDR = VSIFOpenL( pszHDR, "rt" );
916 : }
917 :
918 3 : if( fpHDR != NULL )
919 : {
920 2 : VSIFCloseL( fpHDR );
921 2 : papszLines=CSLLoad2(pszHDR, 16, 200, NULL);
922 2 : if (CSLCount(papszLines) == 16)
923 : {
924 :
925 2 : if (psImage->chICORDS == 'N')
926 2 : isNorth=1;
927 0 : else if (psImage->chICORDS =='S')
928 0 : isNorth=0;
929 0 : else if (psImage->chICORDS == 'G' || psImage->chICORDS == 'D' || psImage->chICORDS == 'C')
930 : {
931 0 : if (psImage->dfLLY+psImage->dfLRY+psImage->dfULY+psImage->dfURY < 0)
932 0 : isNorth=0;
933 : else
934 0 : isNorth=1;
935 : }
936 0 : else if (psImage->chICORDS == 'U')
937 : {
938 0 : isNorth = psImage->nZone >= 0;
939 : }
940 : else
941 : {
942 0 : isNorth = 1; /* arbitrarly suppose we are in northern hemisphere */
943 :
944 : /* unless we have other information to determine the hemisphere */
945 0 : char** papszUSE00A_MD = NITFReadSTDIDC( psImage );
946 0 : if( papszUSE00A_MD != NULL )
947 : {
948 0 : const char* pszLocation = CSLFetchNameValue(papszUSE00A_MD, "NITF_STDIDC_LOCATION");
949 0 : if (pszLocation && strlen(pszLocation) == 11)
950 : {
951 0 : isNorth = (pszLocation[4] == 'N');
952 : }
953 0 : CSLDestroy( papszUSE00A_MD );
954 : }
955 : else
956 : {
957 : NITFRPC00BInfo sRPCInfo;
958 0 : if( NITFReadRPC00B( psImage, &sRPCInfo ) && sRPCInfo.SUCCESS )
959 : {
960 0 : isNorth = (sRPCInfo.LAT_OFF >= 0);
961 : }
962 : }
963 : }
964 :
965 8 : if( (EQUALN(papszLines[7],
966 : "Selected Projection: Universal Transverse Mercator",50)) &&
967 2 : (EQUALN(papszLines[8],"Zone: ",6)) &&
968 2 : (strlen(papszLines[8]) >= 7))
969 : {
970 2 : CPLFree( poDS->pszProjection );
971 2 : poDS->pszProjection = NULL;
972 2 : zone=atoi(&(papszLines[8][6]));
973 2 : oSRSWork.Clear();
974 2 : oSRSWork.SetUTM( zone, isNorth );
975 2 : oSRSWork.SetWellKnownGeogCS( "WGS84" );
976 2 : oSRSWork.exportToWkt( &(poDS->pszProjection) );
977 : }
978 : else
979 : {
980 : /* Couldn't find associated projection info.
981 : Go back to original file for geotransform.
982 : */
983 0 : poDS->bGotGeoTransform = FALSE;
984 : }
985 : }
986 : else
987 0 : poDS->bGotGeoTransform = FALSE;
988 2 : CSLDestroy(papszLines);
989 : }
990 : else
991 1 : poDS->bGotGeoTransform = FALSE;
992 : }
993 :
994 : /* -------------------------------------------------------------------- */
995 : /* Does this look like a CADRG polar tile ? (#2940) */
996 : /* -------------------------------------------------------------------- */
997 555 : const char* pszIID1 = (psImage) ? CSLFetchNameValue(psImage->papszMetadata, "NITF_IID1") : NULL;
998 555 : const char* pszITITLE = (psImage) ? CSLFetchNameValue(psImage->papszMetadata, "NITF_ITITLE") : NULL;
999 601 : if( psImage != NULL && !poDS->bGotGeoTransform &&
1000 : (psImage->chICORDS == 'G' || psImage->chICORDS == 'D') &&
1001 : pszIID1 != NULL && EQUAL(pszIID1, "CADRG") &&
1002 : pszITITLE != NULL && strlen(pszITITLE) >= 12
1003 24 : && (pszITITLE[strlen(pszITITLE) - 1] == '9'
1004 22 : || pszITITLE[strlen(pszITITLE) - 1] == 'J') )
1005 : {
1006 : /* To get a perfect rectangle in Azimuthal Equidistant projection, we must use */
1007 : /* the sphere and not WGS84 ellipsoid. That's a bit strange... */
1008 2 : const char* pszNorthPolarProjection = "+proj=aeqd +lat_0=90 +lon_0=0 +x_0=0 +y_0=0 +a=6378137 +b=6378137 +units=m +no_defs";
1009 2 : const char* pszSouthPolarProjection = "+proj=aeqd +lat_0=-90 +lon_0=0 +x_0=0 +y_0=0 +a=6378137 +b=6378137 +units=m +no_defs";
1010 :
1011 2 : OGRSpatialReference oSRS_AEQD, oSRS_WGS84;
1012 :
1013 2 : const char *pszPolarProjection = (psImage->dfULY > 0) ? pszNorthPolarProjection : pszSouthPolarProjection;
1014 2 : oSRS_AEQD.importFromProj4(pszPolarProjection);
1015 :
1016 2 : oSRS_WGS84.SetWellKnownGeogCS( "WGS84" );
1017 :
1018 2 : CPLPushErrorHandler( CPLQuietErrorHandler );
1019 : OGRCoordinateTransformationH hCT =
1020 2 : (OGRCoordinateTransformationH)OGRCreateCoordinateTransformation(&oSRS_WGS84, &oSRS_AEQD);
1021 2 : CPLPopErrorHandler();
1022 2 : if (hCT)
1023 : {
1024 2 : double dfULX_AEQD = psImage->dfULX;
1025 2 : double dfULY_AEQD = psImage->dfULY;
1026 2 : double dfURX_AEQD = psImage->dfURX;
1027 2 : double dfURY_AEQD = psImage->dfURY;
1028 2 : double dfLLX_AEQD = psImage->dfLLX;
1029 2 : double dfLLY_AEQD = psImage->dfLLY;
1030 2 : double dfLRX_AEQD = psImage->dfLRX;
1031 2 : double dfLRY_AEQD = psImage->dfLRY;
1032 2 : double z = 0;
1033 2 : int bSuccess = TRUE;
1034 2 : bSuccess &= OCTTransform(hCT, 1, &dfULX_AEQD, &dfULY_AEQD, &z);
1035 2 : bSuccess &= OCTTransform(hCT, 1, &dfURX_AEQD, &dfURY_AEQD, &z);
1036 2 : bSuccess &= OCTTransform(hCT, 1, &dfLLX_AEQD, &dfLLY_AEQD, &z);
1037 2 : bSuccess &= OCTTransform(hCT, 1, &dfLRX_AEQD, &dfLRY_AEQD, &z);
1038 2 : if (bSuccess)
1039 : {
1040 : /* Check that the coordinates of the 4 corners in Azimuthal Equidistant projection */
1041 : /* are a rectangle */
1042 2 : if (fabs((dfULX_AEQD - dfLLX_AEQD) / dfLLX_AEQD) < 1e-6 &&
1043 : fabs((dfURX_AEQD - dfLRX_AEQD) / dfLRX_AEQD) < 1e-6 &&
1044 : fabs((dfULY_AEQD - dfURY_AEQD) / dfURY_AEQD) < 1e-6 &&
1045 : fabs((dfLLY_AEQD - dfLRY_AEQD) / dfLRY_AEQD) < 1e-6)
1046 : {
1047 2 : CPLFree(poDS->pszProjection);
1048 2 : oSRS_AEQD.exportToWkt( &(poDS->pszProjection) );
1049 :
1050 2 : poDS->bGotGeoTransform = TRUE;
1051 2 : poDS->adfGeoTransform[0] = dfULX_AEQD;
1052 2 : poDS->adfGeoTransform[1] = (dfURX_AEQD - dfULX_AEQD) / poDS->nRasterXSize;
1053 2 : poDS->adfGeoTransform[2] = 0;
1054 2 : poDS->adfGeoTransform[3] = dfULY_AEQD;
1055 2 : poDS->adfGeoTransform[4] = 0;
1056 2 : poDS->adfGeoTransform[5] = (dfLLY_AEQD - dfULY_AEQD) / poDS->nRasterYSize;
1057 : }
1058 : }
1059 2 : OCTDestroyCoordinateTransformation(hCT);
1060 : }
1061 : else
1062 : {
1063 : // if we cannot instantiate the transformer, then we
1064 : // will at least attempt to record what we believe the
1065 : // natural coordinate system of the image is. This is
1066 : // primarily used by ArcGIS (#3337)
1067 :
1068 0 : CPLErrorReset();
1069 :
1070 : CPLError( CE_Warning, CPLE_AppDefined,
1071 0 : "Failed to instantiate coordinate system transformer, likely PROJ.DLL/libproj.so is not available. Returning image corners as lat/long GCPs as a fallback." );
1072 :
1073 0 : char *pszAEQD = NULL;
1074 0 : oSRS_AEQD.exportToWkt( &(pszAEQD) );
1075 0 : poDS->SetMetadataItem( "GCPPROJECTIONX", pszAEQD, "IMAGE_STRUCTURE" );
1076 0 : CPLFree( pszAEQD );
1077 2 : }
1078 : }
1079 :
1080 : /* -------------------------------------------------------------------- */
1081 : /* Do we have RPCs? */
1082 : /* -------------------------------------------------------------------- */
1083 555 : int bHasRPC00 = FALSE;
1084 : NITFRPC00BInfo sRPCInfo;
1085 555 : memset(&sRPCInfo, 0, sizeof(sRPCInfo)); /* To avoid warnings from not clever compilers */
1086 :
1087 555 : if( psImage && NITFReadRPC00B( psImage, &sRPCInfo ) && sRPCInfo.SUCCESS )
1088 3 : bHasRPC00 = TRUE;
1089 :
1090 : /* -------------------------------------------------------------------- */
1091 : /* Do we have IGEOLO data that can be treated as a */
1092 : /* geotransform? Our approach should support images in an */
1093 : /* affine rotated frame of reference. */
1094 : /* -------------------------------------------------------------------- */
1095 555 : int nGCPCount = 0;
1096 555 : GDAL_GCP *psGCPs = NULL;
1097 :
1098 555 : if( psImage && !poDS->bGotGeoTransform && psImage->chICORDS != ' ' )
1099 : {
1100 163 : nGCPCount = 4;
1101 :
1102 163 : psGCPs = (GDAL_GCP *) CPLMalloc(sizeof(GDAL_GCP) * nGCPCount);
1103 163 : GDALInitGCPs( nGCPCount, psGCPs );
1104 :
1105 163 : if( psImage->bIsBoxCenterOfPixel )
1106 : {
1107 129 : psGCPs[0].dfGCPPixel = 0.5;
1108 129 : psGCPs[0].dfGCPLine = 0.5;
1109 129 : psGCPs[1].dfGCPPixel = poDS->nRasterXSize-0.5;
1110 129 : psGCPs[1].dfGCPLine = 0.5;
1111 129 : psGCPs[2].dfGCPPixel = poDS->nRasterXSize-0.5;
1112 129 : psGCPs[2].dfGCPLine = poDS->nRasterYSize-0.5;
1113 129 : psGCPs[3].dfGCPPixel = 0.5;
1114 129 : psGCPs[3].dfGCPLine = poDS->nRasterYSize-0.5;
1115 : }
1116 : else
1117 : {
1118 34 : psGCPs[0].dfGCPPixel = 0.0;
1119 34 : psGCPs[0].dfGCPLine = 0.0;
1120 34 : psGCPs[1].dfGCPPixel = poDS->nRasterXSize;
1121 34 : psGCPs[1].dfGCPLine = 0.0;
1122 34 : psGCPs[2].dfGCPPixel = poDS->nRasterXSize;
1123 34 : psGCPs[2].dfGCPLine = poDS->nRasterYSize;
1124 34 : psGCPs[3].dfGCPPixel = 0.0;
1125 34 : psGCPs[3].dfGCPLine = poDS->nRasterYSize;
1126 : }
1127 :
1128 163 : psGCPs[0].dfGCPX = psImage->dfULX;
1129 163 : psGCPs[0].dfGCPY = psImage->dfULY;
1130 :
1131 163 : psGCPs[1].dfGCPX = psImage->dfURX;
1132 163 : psGCPs[1].dfGCPY = psImage->dfURY;
1133 :
1134 163 : psGCPs[2].dfGCPX = psImage->dfLRX;
1135 163 : psGCPs[2].dfGCPY = psImage->dfLRY;
1136 :
1137 163 : psGCPs[3].dfGCPX = psImage->dfLLX;
1138 163 : psGCPs[3].dfGCPY = psImage->dfLLY;
1139 :
1140 : /* -------------------------------------------------------------------- */
1141 : /* ESRI desires to use the RPCs to produce a denser and more */
1142 : /* accurate set of GCPs in this case. Details are unclear at */
1143 : /* this time. */
1144 : /* -------------------------------------------------------------------- */
1145 : #ifdef ESRI_BUILD
1146 : if( bHasRPC00
1147 : && ( (psImage->chICORDS == 'G') || (psImage->chICORDS == 'C') ) )
1148 : {
1149 : if( nGCPCount == 4 )
1150 : NITFDensifyGCPs( &psGCPs, &nGCPCount );
1151 :
1152 : NITFUpdateGCPsWithRPC( &sRPCInfo, psGCPs, &nGCPCount );
1153 : }
1154 : #endif /* def ESRI_BUILD */
1155 : }
1156 :
1157 : /* -------------------------------------------------------------------- */
1158 : /* Convert the GCPs into a geotransform definition, if possible. */
1159 : /* -------------------------------------------------------------------- */
1160 555 : if( !psImage )
1161 : {
1162 : /* nothing */
1163 : }
1164 552 : else if( poDS->bGotGeoTransform == FALSE
1165 : && nGCPCount > 0
1166 : && GDALGCPsToGeoTransform( nGCPCount, psGCPs,
1167 : poDS->adfGeoTransform, FALSE ) )
1168 : {
1169 159 : poDS->bGotGeoTransform = TRUE;
1170 : }
1171 :
1172 : /* -------------------------------------------------------------------- */
1173 : /* If we have IGEOLO that isn't north up, return it as GCPs. */
1174 : /* -------------------------------------------------------------------- */
1175 393 : else if( (psImage->dfULX != 0 || psImage->dfURX != 0
1176 : || psImage->dfLRX != 0 || psImage->dfLLX != 0)
1177 : && psImage->chICORDS != ' ' &&
1178 : ( poDS->bGotGeoTransform == FALSE ) &&
1179 : nGCPCount >= 4 )
1180 : {
1181 : CPLDebug( "GDAL",
1182 : "NITFDataset::Open() wasn't able to derive a first order\n"
1183 2 : "geotransform. It will be returned as GCPs.");
1184 :
1185 2 : poDS->nGCPCount = nGCPCount;
1186 2 : poDS->pasGCPList = psGCPs;
1187 :
1188 2 : psGCPs = NULL;
1189 2 : nGCPCount = 0;
1190 :
1191 2 : CPLFree( poDS->pasGCPList[0].pszId );
1192 2 : poDS->pasGCPList[0].pszId = CPLStrdup( "UpperLeft" );
1193 :
1194 2 : CPLFree( poDS->pasGCPList[1].pszId );
1195 2 : poDS->pasGCPList[1].pszId = CPLStrdup( "UpperRight" );
1196 :
1197 2 : CPLFree( poDS->pasGCPList[2].pszId );
1198 2 : poDS->pasGCPList[2].pszId = CPLStrdup( "LowerRight" );
1199 :
1200 2 : CPLFree( poDS->pasGCPList[3].pszId );
1201 2 : poDS->pasGCPList[3].pszId = CPLStrdup( "LowerLeft" );
1202 :
1203 2 : poDS->pszGCPProjection = CPLStrdup( poDS->pszProjection );
1204 : }
1205 :
1206 : // This cleans up the original copy of the GCPs used to test if
1207 : // this IGEOLO could be used for a geotransform if we did not
1208 : // steal the to use as primary gcps.
1209 555 : if( nGCPCount > 0 )
1210 : {
1211 161 : GDALDeinitGCPs( nGCPCount, psGCPs );
1212 161 : CPLFree( psGCPs );
1213 : }
1214 :
1215 : /* -------------------------------------------------------------------- */
1216 : /* Do we have PRJPSB and MAPLOB TREs to get better */
1217 : /* georeferencing from? */
1218 : /* -------------------------------------------------------------------- */
1219 555 : if (psImage)
1220 552 : poDS->CheckGeoSDEInfo();
1221 :
1222 : /* -------------------------------------------------------------------- */
1223 : /* Do we have metadata. */
1224 : /* -------------------------------------------------------------------- */
1225 : char **papszMergedMD;
1226 : char **papszTRE_MD;
1227 :
1228 : // File and Image level metadata.
1229 555 : papszMergedMD = CSLDuplicate( poDS->psFile->papszMetadata );
1230 :
1231 555 : if( psImage )
1232 : {
1233 : papszMergedMD = CSLInsertStrings( papszMergedMD,
1234 : CSLCount( papszMergedMD ),
1235 552 : psImage->papszMetadata );
1236 :
1237 : // Comments.
1238 552 : if( psImage->pszComments != NULL && strlen(psImage->pszComments) != 0 )
1239 : papszMergedMD = CSLSetNameValue(
1240 19 : papszMergedMD, "NITF_IMAGE_COMMENTS", psImage->pszComments );
1241 :
1242 : // Compression code.
1243 : papszMergedMD = CSLSetNameValue( papszMergedMD, "NITF_IC",
1244 552 : psImage->szIC );
1245 :
1246 : // IMODE
1247 : char szIMODE[2];
1248 552 : szIMODE[0] = psImage->chIMODE;
1249 552 : szIMODE[1] = '\0';
1250 552 : papszMergedMD = CSLSetNameValue( papszMergedMD, "NITF_IMODE", szIMODE );
1251 :
1252 : // ILOC/Attachment info
1253 552 : if( psImage->nIDLVL != 0 )
1254 : {
1255 : NITFSegmentInfo *psSegInfo
1256 550 : = psFile->pasSegmentInfo + psImage->iSegment;
1257 :
1258 : papszMergedMD =
1259 : CSLSetNameValue( papszMergedMD, "NITF_IDLVL",
1260 550 : CPLString().Printf("%d",psImage->nIDLVL) );
1261 : papszMergedMD =
1262 : CSLSetNameValue( papszMergedMD, "NITF_IALVL",
1263 550 : CPLString().Printf("%d",psImage->nIALVL) );
1264 : papszMergedMD =
1265 : CSLSetNameValue( papszMergedMD, "NITF_ILOC_ROW",
1266 550 : CPLString().Printf("%d",psImage->nILOCRow) );
1267 : papszMergedMD =
1268 : CSLSetNameValue( papszMergedMD, "NITF_ILOC_COLUMN",
1269 550 : CPLString().Printf("%d",psImage->nILOCColumn));
1270 : papszMergedMD =
1271 : CSLSetNameValue( papszMergedMD, "NITF_CCS_ROW",
1272 550 : CPLString().Printf("%d",psSegInfo->nCCS_R) );
1273 : papszMergedMD =
1274 : CSLSetNameValue( papszMergedMD, "NITF_CCS_COLUMN",
1275 550 : CPLString().Printf("%d", psSegInfo->nCCS_C));
1276 : papszMergedMD =
1277 : CSLSetNameValue( papszMergedMD, "NITF_IMAG",
1278 550 : psImage->szIMAG );
1279 : }
1280 :
1281 552 : papszMergedMD = NITFGenericMetadataRead(papszMergedMD, psFile, psImage, NULL);
1282 :
1283 : // BLOCKA
1284 552 : papszTRE_MD = NITFReadBLOCKA( psImage );
1285 552 : if( papszTRE_MD != NULL )
1286 : {
1287 : papszMergedMD = CSLInsertStrings( papszMergedMD,
1288 : CSLCount( papszTRE_MD ),
1289 14 : papszTRE_MD );
1290 14 : CSLDestroy( papszTRE_MD );
1291 : }
1292 : }
1293 :
1294 : #ifdef ESRI_BUILD
1295 : // Extract ESRI generic metadata.
1296 : char **papszESRI_MD = ExtractEsriMD( papszMergedMD );
1297 : if( papszESRI_MD != NULL )
1298 : {
1299 : papszMergedMD = CSLInsertStrings( papszMergedMD,
1300 : CSLCount( papszESRI_MD ),
1301 : papszESRI_MD );
1302 : CSLDestroy( papszESRI_MD );
1303 : }
1304 : #endif
1305 :
1306 555 : poDS->SetMetadata( papszMergedMD );
1307 555 : CSLDestroy( papszMergedMD );
1308 :
1309 : /* -------------------------------------------------------------------- */
1310 : /* Image structure metadata. */
1311 : /* -------------------------------------------------------------------- */
1312 555 : if( psImage == NULL )
1313 : /* do nothing */;
1314 552 : else if( psImage->szIC[1] == '1' )
1315 : poDS->SetMetadataItem( "COMPRESSION", "BILEVEL",
1316 1 : "IMAGE_STRUCTURE" );
1317 551 : else if( psImage->szIC[1] == '2' )
1318 : poDS->SetMetadataItem( "COMPRESSION", "ARIDPCM",
1319 2 : "IMAGE_STRUCTURE" );
1320 549 : else if( psImage->szIC[1] == '3' )
1321 : poDS->SetMetadataItem( "COMPRESSION", "JPEG",
1322 23 : "IMAGE_STRUCTURE" );
1323 526 : else if( psImage->szIC[1] == '4' )
1324 : poDS->SetMetadataItem( "COMPRESSION", "VECTOR QUANTIZATION",
1325 26 : "IMAGE_STRUCTURE" );
1326 500 : else if( psImage->szIC[1] == '5' )
1327 : poDS->SetMetadataItem( "COMPRESSION", "LOSSLESS JPEG",
1328 0 : "IMAGE_STRUCTURE" );
1329 500 : else if( psImage->szIC[1] == '8' )
1330 : poDS->SetMetadataItem( "COMPRESSION", "JPEG2000",
1331 24 : "IMAGE_STRUCTURE" );
1332 :
1333 : /* -------------------------------------------------------------------- */
1334 : /* Do we have RPC info. */
1335 : /* -------------------------------------------------------------------- */
1336 555 : if( psImage && bHasRPC00 )
1337 : {
1338 : char szValue[1280];
1339 : int i;
1340 :
1341 3 : sprintf( szValue, "%.16g", sRPCInfo.LINE_OFF );
1342 3 : poDS->SetMetadataItem( "LINE_OFF", szValue, "RPC" );
1343 :
1344 3 : sprintf( szValue, "%.16g", sRPCInfo.LINE_SCALE );
1345 3 : poDS->SetMetadataItem( "LINE_SCALE", szValue, "RPC" );
1346 :
1347 3 : sprintf( szValue, "%.16g", sRPCInfo.SAMP_OFF );
1348 3 : poDS->SetMetadataItem( "SAMP_OFF", szValue, "RPC" );
1349 :
1350 3 : sprintf( szValue, "%.16g", sRPCInfo.SAMP_SCALE );
1351 3 : poDS->SetMetadataItem( "SAMP_SCALE", szValue, "RPC" );
1352 :
1353 3 : sprintf( szValue, "%.16g", sRPCInfo.LONG_OFF );
1354 3 : poDS->SetMetadataItem( "LONG_OFF", szValue, "RPC" );
1355 :
1356 3 : sprintf( szValue, "%.16g", sRPCInfo.LONG_SCALE );
1357 3 : poDS->SetMetadataItem( "LONG_SCALE", szValue, "RPC" );
1358 :
1359 3 : sprintf( szValue, "%.16g", sRPCInfo.LAT_OFF );
1360 3 : poDS->SetMetadataItem( "LAT_OFF", szValue, "RPC" );
1361 :
1362 3 : sprintf( szValue, "%.16g", sRPCInfo.LAT_SCALE );
1363 3 : poDS->SetMetadataItem( "LAT_SCALE", szValue, "RPC" );
1364 :
1365 3 : sprintf( szValue, "%.16g", sRPCInfo.HEIGHT_OFF );
1366 3 : poDS->SetMetadataItem( "HEIGHT_OFF", szValue, "RPC" );
1367 :
1368 3 : sprintf( szValue, "%.16g", sRPCInfo.HEIGHT_SCALE );
1369 3 : poDS->SetMetadataItem( "HEIGHT_SCALE", szValue, "RPC" );
1370 :
1371 3 : szValue[0] = '\0';
1372 63 : for( i = 0; i < 20; i++ )
1373 : sprintf( szValue+strlen(szValue), "%.16g ",
1374 60 : sRPCInfo.LINE_NUM_COEFF[i] );
1375 3 : poDS->SetMetadataItem( "LINE_NUM_COEFF", szValue, "RPC" );
1376 :
1377 3 : szValue[0] = '\0';
1378 63 : for( i = 0; i < 20; i++ )
1379 : sprintf( szValue+strlen(szValue), "%.16g ",
1380 60 : sRPCInfo.LINE_DEN_COEFF[i] );
1381 3 : poDS->SetMetadataItem( "LINE_DEN_COEFF", szValue, "RPC" );
1382 :
1383 3 : szValue[0] = '\0';
1384 63 : for( i = 0; i < 20; i++ )
1385 : sprintf( szValue+strlen(szValue), "%.16g ",
1386 60 : sRPCInfo.SAMP_NUM_COEFF[i] );
1387 3 : poDS->SetMetadataItem( "SAMP_NUM_COEFF", szValue, "RPC" );
1388 :
1389 3 : szValue[0] = '\0';
1390 63 : for( i = 0; i < 20; i++ )
1391 : sprintf( szValue+strlen(szValue), "%.16g ",
1392 60 : sRPCInfo.SAMP_DEN_COEFF[i] );
1393 3 : poDS->SetMetadataItem( "SAMP_DEN_COEFF", szValue, "RPC" );
1394 :
1395 : sprintf( szValue, "%.16g",
1396 3 : sRPCInfo.LONG_OFF - ( sRPCInfo.LONG_SCALE / 2.0 ) );
1397 3 : poDS->SetMetadataItem( "MIN_LONG", szValue, "RPC" );
1398 :
1399 : sprintf( szValue, "%.16g",
1400 3 : sRPCInfo.LONG_OFF + ( sRPCInfo.LONG_SCALE / 2.0 ) );
1401 3 : poDS->SetMetadataItem( "MAX_LONG", szValue, "RPC" );
1402 :
1403 : sprintf( szValue, "%.16g",
1404 3 : sRPCInfo.LAT_OFF - ( sRPCInfo.LAT_SCALE / 2.0 ) );
1405 3 : poDS->SetMetadataItem( "MIN_LAT", szValue, "RPC" );
1406 :
1407 : sprintf( szValue, "%.16g",
1408 3 : sRPCInfo.LAT_OFF + ( sRPCInfo.LAT_SCALE / 2.0 ) );
1409 3 : poDS->SetMetadataItem( "MAX_LAT", szValue, "RPC" );
1410 : }
1411 :
1412 : /* -------------------------------------------------------------------- */
1413 : /* Do we have Chip info? */
1414 : /* -------------------------------------------------------------------- */
1415 : NITFICHIPBInfo sChipInfo;
1416 :
1417 555 : if( psImage
1418 : && NITFReadICHIPB( psImage, &sChipInfo ) && sChipInfo.XFRM_FLAG == 0 )
1419 : {
1420 : char szValue[1280];
1421 :
1422 3 : sprintf( szValue, "%.16g", sChipInfo.SCALE_FACTOR );
1423 3 : poDS->SetMetadataItem( "ICHIP_SCALE_FACTOR", szValue );
1424 :
1425 3 : sprintf( szValue, "%d", sChipInfo.ANAMORPH_CORR );
1426 3 : poDS->SetMetadataItem( "ICHIP_ANAMORPH_CORR", szValue );
1427 :
1428 3 : sprintf( szValue, "%d", sChipInfo.SCANBLK_NUM );
1429 3 : poDS->SetMetadataItem( "ICHIP_SCANBLK_NUM", szValue );
1430 :
1431 3 : sprintf( szValue, "%.16g", sChipInfo.OP_ROW_11 );
1432 3 : poDS->SetMetadataItem( "ICHIP_OP_ROW_11", szValue );
1433 :
1434 3 : sprintf( szValue, "%.16g", sChipInfo.OP_COL_11 );
1435 3 : poDS->SetMetadataItem( "ICHIP_OP_COL_11", szValue );
1436 :
1437 3 : sprintf( szValue, "%.16g", sChipInfo.OP_ROW_12 );
1438 3 : poDS->SetMetadataItem( "ICHIP_OP_ROW_12", szValue );
1439 :
1440 3 : sprintf( szValue, "%.16g", sChipInfo.OP_COL_12 );
1441 3 : poDS->SetMetadataItem( "ICHIP_OP_COL_12", szValue );
1442 :
1443 3 : sprintf( szValue, "%.16g", sChipInfo.OP_ROW_21 );
1444 3 : poDS->SetMetadataItem( "ICHIP_OP_ROW_21", szValue );
1445 :
1446 3 : sprintf( szValue, "%.16g", sChipInfo.OP_COL_21 );
1447 3 : poDS->SetMetadataItem( "ICHIP_OP_COL_21", szValue );
1448 :
1449 3 : sprintf( szValue, "%.16g", sChipInfo.OP_ROW_22 );
1450 3 : poDS->SetMetadataItem( "ICHIP_OP_ROW_22", szValue );
1451 :
1452 3 : sprintf( szValue, "%.16g", sChipInfo.OP_COL_22 );
1453 3 : poDS->SetMetadataItem( "ICHIP_OP_COL_22", szValue );
1454 :
1455 3 : sprintf( szValue, "%.16g", sChipInfo.FI_ROW_11 );
1456 3 : poDS->SetMetadataItem( "ICHIP_FI_ROW_11", szValue );
1457 :
1458 3 : sprintf( szValue, "%.16g", sChipInfo.FI_COL_11 );
1459 3 : poDS->SetMetadataItem( "ICHIP_FI_COL_11", szValue );
1460 :
1461 3 : sprintf( szValue, "%.16g", sChipInfo.FI_ROW_12 );
1462 3 : poDS->SetMetadataItem( "ICHIP_FI_ROW_12", szValue );
1463 :
1464 3 : sprintf( szValue, "%.16g", sChipInfo.FI_COL_12 );
1465 3 : poDS->SetMetadataItem( "ICHIP_FI_COL_12", szValue );
1466 :
1467 3 : sprintf( szValue, "%.16g", sChipInfo.FI_ROW_21 );
1468 3 : poDS->SetMetadataItem( "ICHIP_FI_ROW_21", szValue );
1469 :
1470 3 : sprintf( szValue, "%.16g", sChipInfo.FI_COL_21 );
1471 3 : poDS->SetMetadataItem( "ICHIP_FI_COL_21", szValue );
1472 :
1473 3 : sprintf( szValue, "%.16g", sChipInfo.FI_ROW_22 );
1474 3 : poDS->SetMetadataItem( "ICHIP_FI_ROW_22", szValue );
1475 :
1476 3 : sprintf( szValue, "%.16g", sChipInfo.FI_COL_22 );
1477 3 : poDS->SetMetadataItem( "ICHIP_FI_COL_22", szValue );
1478 :
1479 3 : sprintf( szValue, "%d", sChipInfo.FI_ROW );
1480 3 : poDS->SetMetadataItem( "ICHIP_FI_ROW", szValue );
1481 :
1482 3 : sprintf( szValue, "%d", sChipInfo.FI_COL );
1483 3 : poDS->SetMetadataItem( "ICHIP_FI_COL", szValue );
1484 :
1485 : }
1486 :
1487 555 : const NITFSeries* series = NITFGetSeriesInfo(pszFilename);
1488 555 : if (series)
1489 : {
1490 : poDS->SetMetadataItem("NITF_SERIES_ABBREVIATION",
1491 29 : (series->abbreviation) ? series->abbreviation : "Unknown");
1492 : poDS->SetMetadataItem("NITF_SERIES_NAME",
1493 29 : (series->name) ? series->name : "Unknown");
1494 : }
1495 :
1496 : /* -------------------------------------------------------------------- */
1497 : /* If there are multiple image segments, and we are the zeroth, */
1498 : /* then setup the subdataset metadata. */
1499 : /* -------------------------------------------------------------------- */
1500 555 : int nSubDSCount = 0;
1501 :
1502 555 : if( nIMIndex == -1 )
1503 : {
1504 542 : char **papszSubdatasets = NULL;
1505 542 : int nIMCounter = 0;
1506 :
1507 3571 : for( iSegment = 0; iSegment < psFile->nSegmentCount; iSegment++ )
1508 : {
1509 3029 : if( EQUAL(psFile->pasSegmentInfo[iSegment].szSegmentType,"IM") )
1510 : {
1511 2547 : CPLString oName;
1512 2547 : CPLString oValue;
1513 :
1514 2547 : oName.Printf( "SUBDATASET_%d_NAME", nIMCounter+1 );
1515 2547 : oValue.Printf( "NITF_IM:%d:%s", nIMCounter, pszFilename );
1516 : papszSubdatasets = CSLSetNameValue( papszSubdatasets,
1517 2547 : oName, oValue );
1518 :
1519 2547 : oName.Printf( "SUBDATASET_%d_DESC", nIMCounter+1 );
1520 2547 : oValue.Printf( "Image %d of %s", nIMCounter+1, pszFilename );
1521 : papszSubdatasets = CSLSetNameValue( papszSubdatasets,
1522 2547 : oName, oValue );
1523 :
1524 2547 : nIMCounter++;
1525 : }
1526 : }
1527 :
1528 542 : nSubDSCount = CSLCount(papszSubdatasets) / 2;
1529 542 : if( nSubDSCount > 1 )
1530 : poDS->GDALMajorObject::SetMetadata( papszSubdatasets,
1531 8 : "SUBDATASETS" );
1532 :
1533 542 : CSLDestroy( papszSubdatasets );
1534 : }
1535 :
1536 : /* -------------------------------------------------------------------- */
1537 : /* Initialize any PAM information. */
1538 : /* -------------------------------------------------------------------- */
1539 555 : poDS->SetDescription( poOpenInfo->pszFilename );
1540 :
1541 555 : if( nSubDSCount > 1 || nIMIndex != -1 )
1542 : {
1543 21 : if( nIMIndex == -1 )
1544 8 : nIMIndex = 0;
1545 :
1546 21 : poDS->SetSubdatasetName( CPLString().Printf("%d",nIMIndex) );
1547 21 : poDS->SetPhysicalFilename( pszFilename );
1548 : }
1549 :
1550 555 : poDS->bInLoadXML = TRUE;
1551 555 : poDS->TryLoadXML();
1552 555 : poDS->bInLoadXML = FALSE;
1553 :
1554 : /* -------------------------------------------------------------------- */
1555 : /* Do we have a special overview file? If not, do we have */
1556 : /* RSets that should be treated as an overview file? */
1557 : /* -------------------------------------------------------------------- */
1558 : const char *pszOverviewFile =
1559 555 : poDS->GetMetadataItem( "OVERVIEW_FILE", "OVERVIEWS" );
1560 :
1561 555 : if( pszOverviewFile == NULL )
1562 : {
1563 552 : if( poDS->CheckForRSets(pszFilename) )
1564 3 : pszOverviewFile = poDS->osRSetVRT;
1565 : }
1566 :
1567 : /* -------------------------------------------------------------------- */
1568 : /* If we have jpeg or jpeg2000 bands we may need to set the */
1569 : /* overview file on their dataset. (#3276) */
1570 : /* -------------------------------------------------------------------- */
1571 555 : GDALDataset *poSubDS = poDS->poJ2KDataset;
1572 555 : if( poDS->poJPEGDataset )
1573 13 : poSubDS = poDS->poJPEGDataset;
1574 :
1575 555 : if( poSubDS && pszOverviewFile != NULL )
1576 : {
1577 : poSubDS->SetMetadataItem( "OVERVIEW_FILE",
1578 : pszOverviewFile,
1579 2 : "OVERVIEWS" );
1580 : }
1581 :
1582 : /* -------------------------------------------------------------------- */
1583 : /* If we have jpeg, or jpeg2000 bands we may need to clear */
1584 : /* their PAM dirty flag too. */
1585 : /* -------------------------------------------------------------------- */
1586 555 : if( poDS->poJ2KDataset != NULL )
1587 : poDS->poJ2KDataset->SetPamFlags(
1588 23 : poDS->poJ2KDataset->GetPamFlags() & ~GPF_DIRTY );
1589 555 : if( poDS->poJPEGDataset != NULL )
1590 : poDS->poJPEGDataset->SetPamFlags(
1591 13 : poDS->poJPEGDataset->GetPamFlags() & ~GPF_DIRTY );
1592 :
1593 : /* -------------------------------------------------------------------- */
1594 : /* Check for overviews. */
1595 : /* -------------------------------------------------------------------- */
1596 555 : if( !EQUAL(poOpenInfo->pszFilename,pszFilename) )
1597 13 : poDS->oOvManager.Initialize( poDS, ":::VIRTUAL:::" );
1598 : else
1599 542 : poDS->oOvManager.Initialize( poDS, pszFilename );
1600 :
1601 : /* If there are PAM overviews, don't expose the underlying JPEG dataset */
1602 : /* overviews (in case of monoblock C3) */
1603 555 : if( poDS->GetRasterCount() > 0 && poDS->GetRasterBand(1) != NULL )
1604 : poDS->bExposeUnderlyingJPEGDatasetOverviews =
1605 : ((GDALPamRasterBand*)poDS->GetRasterBand(1))->
1606 552 : GDALPamRasterBand::GetOverviewCount() == 0;
1607 :
1608 555 : return( poDS );
1609 : }
1610 :
1611 : /************************************************************************/
1612 : /* LoadDODDatum() */
1613 : /* */
1614 : /* Try to turn a US military datum name into a datum definition. */
1615 : /************************************************************************/
1616 :
1617 3 : static OGRErr LoadDODDatum( OGRSpatialReference *poSRS,
1618 : const char *pszDatumName )
1619 :
1620 : {
1621 : /* -------------------------------------------------------------------- */
1622 : /* The most common case... */
1623 : /* -------------------------------------------------------------------- */
1624 3 : if( EQUALN(pszDatumName,"WGE ",4) )
1625 : {
1626 0 : poSRS->SetWellKnownGeogCS( "WGS84" );
1627 0 : return OGRERR_NONE;
1628 : }
1629 :
1630 : /* -------------------------------------------------------------------- */
1631 : /* All the rest we will try and load from gt_datum.csv */
1632 : /* (Geotrans datum file). */
1633 : /* -------------------------------------------------------------------- */
1634 : char szExpanded[6];
1635 3 : const char *pszGTDatum = CSVFilename( "gt_datum.csv" );
1636 :
1637 3 : strncpy( szExpanded, pszDatumName, 3 );
1638 3 : szExpanded[3] = '\0';
1639 3 : if( pszDatumName[3] != ' ' )
1640 : {
1641 : int nLen;
1642 3 : strcat( szExpanded, "-" );
1643 3 : nLen = strlen(szExpanded);
1644 3 : szExpanded[nLen] = pszDatumName[3];
1645 3 : szExpanded[nLen + 1] = '\0';
1646 : }
1647 :
1648 : CPLString osDName = CSVGetField( pszGTDatum, "CODE", szExpanded,
1649 3 : CC_ApproxString, "NAME" );
1650 3 : if( strlen(osDName) == 0 )
1651 : {
1652 : CPLError( CE_Failure, CPLE_AppDefined,
1653 : "Failed to find datum %s/%s in gt_datum.csv.",
1654 0 : pszDatumName, szExpanded );
1655 0 : return OGRERR_FAILURE;
1656 : }
1657 :
1658 : CPLString osEllipseCode = CSVGetField( pszGTDatum, "CODE", szExpanded,
1659 3 : CC_ApproxString, "ELLIPSOID" );
1660 : double dfDeltaX = CPLAtof(CSVGetField( pszGTDatum, "CODE", szExpanded,
1661 3 : CC_ApproxString, "DELTAX" ) );
1662 : double dfDeltaY = CPLAtof(CSVGetField( pszGTDatum, "CODE", szExpanded,
1663 3 : CC_ApproxString, "DELTAY" ) );
1664 : double dfDeltaZ = CPLAtof(CSVGetField( pszGTDatum, "CODE", szExpanded,
1665 3 : CC_ApproxString, "DELTAZ" ) );
1666 :
1667 : /* -------------------------------------------------------------------- */
1668 : /* Lookup the ellipse code. */
1669 : /* -------------------------------------------------------------------- */
1670 3 : const char *pszGTEllipse = CSVFilename( "gt_ellips.csv" );
1671 :
1672 : CPLString osEName = CSVGetField( pszGTEllipse, "CODE", osEllipseCode,
1673 3 : CC_ApproxString, "NAME" );
1674 3 : if( strlen(osEName) == 0 )
1675 : {
1676 : CPLError( CE_Failure, CPLE_AppDefined,
1677 : "Failed to find datum %s in gt_ellips.csv.",
1678 0 : osEllipseCode.c_str() );
1679 0 : return OGRERR_FAILURE;
1680 : }
1681 :
1682 : double dfA = CPLAtof(CSVGetField( pszGTEllipse, "CODE", osEllipseCode,
1683 3 : CC_ApproxString, "A" ));
1684 : double dfInvF = CPLAtof(CSVGetField( pszGTEllipse, "CODE", osEllipseCode,
1685 3 : CC_ApproxString, "RF" ));
1686 :
1687 : /* -------------------------------------------------------------------- */
1688 : /* Create geographic coordinate system. */
1689 : /* -------------------------------------------------------------------- */
1690 3 : poSRS->SetGeogCS( osDName, osDName, osEName, dfA, dfInvF );
1691 :
1692 3 : poSRS->SetTOWGS84( dfDeltaX, dfDeltaY, dfDeltaZ );
1693 :
1694 3 : return OGRERR_NONE;
1695 : }
1696 :
1697 : /************************************************************************/
1698 : /* CheckGeoSDEInfo() */
1699 : /* */
1700 : /* Check for GeoSDE TREs (GEOPSB/PRJPSB and MAPLOB). If we */
1701 : /* have them, use them to override our coordinate system and */
1702 : /* geotransform info. */
1703 : /************************************************************************/
1704 :
1705 552 : void NITFDataset::CheckGeoSDEInfo()
1706 :
1707 : {
1708 552 : if( !psImage )
1709 0 : return;
1710 :
1711 : /* -------------------------------------------------------------------- */
1712 : /* Do we have the required TREs? */
1713 : /* -------------------------------------------------------------------- */
1714 : const char *pszGEOPSB , *pszPRJPSB, *pszMAPLOB;
1715 552 : OGRSpatialReference oSRS;
1716 : char szName[81];
1717 : int nGEOPSBSize, nPRJPSBSize, nMAPLOBSize;
1718 :
1719 552 : pszGEOPSB = NITFFindTRE( psFile->pachTRE, psFile->nTREBytes,"GEOPSB",&nGEOPSBSize);
1720 552 : pszPRJPSB = NITFFindTRE( psFile->pachTRE, psFile->nTREBytes,"PRJPSB",&nPRJPSBSize);
1721 552 : pszMAPLOB = NITFFindTRE(psImage->pachTRE,psImage->nTREBytes,"MAPLOB",&nMAPLOBSize);
1722 :
1723 552 : if( pszGEOPSB == NULL || pszPRJPSB == NULL || pszMAPLOB == NULL )
1724 : return;
1725 :
1726 : /* -------------------------------------------------------------------- */
1727 : /* Collect projection parameters. */
1728 : /* -------------------------------------------------------------------- */
1729 :
1730 : char szParm[16];
1731 3 : if (nPRJPSBSize < 82 + 1)
1732 : {
1733 : CPLError(CE_Failure, CPLE_AppDefined,
1734 0 : "Cannot read PRJPSB TRE. Not enough bytes");
1735 : return;
1736 : }
1737 3 : int nParmCount = atoi(NITFGetField(szParm,pszPRJPSB,82,1));
1738 : int i;
1739 3 : double adfParm[9] = {0, 0, 0, 0, 0, 0, 0, 0, 0};
1740 : double dfFN;
1741 : double dfFE;
1742 3 : if (nPRJPSBSize < 83+15*nParmCount+15+15)
1743 : {
1744 : CPLError(CE_Failure, CPLE_AppDefined,
1745 0 : "Cannot read PRJPSB TRE. Not enough bytes");
1746 : return;
1747 : }
1748 3 : for( i = 0; i < nParmCount; i++ )
1749 0 : adfParm[i] = atof(NITFGetField(szParm,pszPRJPSB,83+15*i,15));
1750 :
1751 3 : dfFE = atof(NITFGetField(szParm,pszPRJPSB,83+15*nParmCount,15));
1752 3 : dfFN = atof(NITFGetField(szParm,pszPRJPSB,83+15*nParmCount+15,15));
1753 :
1754 : /* -------------------------------------------------------------------- */
1755 : /* Try to handle the projection. */
1756 : /* -------------------------------------------------------------------- */
1757 3 : if( EQUALN(pszPRJPSB+80,"AC",2) )
1758 : oSRS.SetACEA( adfParm[1], adfParm[2], adfParm[3], adfParm[0],
1759 3 : dfFE, dfFN );
1760 :
1761 0 : else if( EQUALN(pszPRJPSB+80,"AK",2) )
1762 0 : oSRS.SetLAEA( adfParm[1], adfParm[0], dfFE, dfFN );
1763 :
1764 0 : else if( EQUALN(pszPRJPSB+80,"AL",2) )
1765 0 : oSRS.SetAE( adfParm[1], adfParm[0], dfFE, dfFN );
1766 :
1767 0 : else if( EQUALN(pszPRJPSB+80,"BF",2) )
1768 0 : oSRS.SetBonne( adfParm[1], adfParm[0], dfFE, dfFN );
1769 :
1770 0 : else if( EQUALN(pszPRJPSB+80,"CP",2) )
1771 0 : oSRS.SetEquirectangular( adfParm[1], adfParm[0], dfFE, dfFN );
1772 :
1773 0 : else if( EQUALN(pszPRJPSB+80,"CS",2) )
1774 0 : oSRS.SetCS( adfParm[1], adfParm[0], dfFE, dfFN );
1775 :
1776 0 : else if( EQUALN(pszPRJPSB+80,"EF",2) )
1777 0 : oSRS.SetEckertIV( adfParm[0], dfFE, dfFN );
1778 :
1779 0 : else if( EQUALN(pszPRJPSB+80,"ED",2) )
1780 0 : oSRS.SetEckertVI( adfParm[0], dfFE, dfFN );
1781 :
1782 0 : else if( EQUALN(pszPRJPSB+80,"GN",2) )
1783 0 : oSRS.SetGnomonic( adfParm[1], adfParm[0], dfFE, dfFN );
1784 :
1785 0 : else if( EQUALN(pszPRJPSB+80,"HX",2) )
1786 : oSRS.SetHOM2PNO( adfParm[1],
1787 : adfParm[3], adfParm[2],
1788 : adfParm[5], adfParm[4],
1789 0 : adfParm[0], dfFE, dfFN );
1790 :
1791 0 : else if( EQUALN(pszPRJPSB+80,"KA",2) )
1792 : oSRS.SetEC( adfParm[1], adfParm[2], adfParm[3], adfParm[0],
1793 0 : dfFE, dfFN );
1794 :
1795 0 : else if( EQUALN(pszPRJPSB+80,"LE",2) )
1796 : oSRS.SetLCC( adfParm[1], adfParm[2], adfParm[3], adfParm[0],
1797 0 : dfFE, dfFN );
1798 :
1799 0 : else if( EQUALN(pszPRJPSB+80,"LI",2) )
1800 0 : oSRS.SetCEA( adfParm[1], adfParm[0], dfFE, dfFN );
1801 :
1802 0 : else if( EQUALN(pszPRJPSB+80,"MC",2) )
1803 0 : oSRS.SetMercator( adfParm[2], adfParm[1], 1.0, dfFE, dfFN );
1804 :
1805 0 : else if( EQUALN(pszPRJPSB+80,"MH",2) )
1806 0 : oSRS.SetMC( 0.0, adfParm[1], dfFE, dfFN );
1807 :
1808 0 : else if( EQUALN(pszPRJPSB+80,"MP",2) )
1809 0 : oSRS.SetMollweide( adfParm[0], dfFE, dfFN );
1810 :
1811 0 : else if( EQUALN(pszPRJPSB+80,"NT",2) )
1812 0 : oSRS.SetNZMG( adfParm[1], adfParm[0], dfFE, dfFN );
1813 :
1814 0 : else if( EQUALN(pszPRJPSB+80,"OD",2) )
1815 0 : oSRS.SetOrthographic( adfParm[1], adfParm[0], dfFE, dfFN );
1816 :
1817 0 : else if( EQUALN(pszPRJPSB+80,"PC",2) )
1818 0 : oSRS.SetPolyconic( adfParm[1], adfParm[0], dfFE, dfFN );
1819 :
1820 0 : else if( EQUALN(pszPRJPSB+80,"PG",2) )
1821 0 : oSRS.SetPS( adfParm[1], adfParm[0], 1.0, dfFE, dfFN );
1822 :
1823 0 : else if( EQUALN(pszPRJPSB+80,"RX",2) )
1824 0 : oSRS.SetRobinson( adfParm[0], dfFE, dfFN );
1825 :
1826 0 : else if( EQUALN(pszPRJPSB+80,"SA",2) )
1827 0 : oSRS.SetSinusoidal( adfParm[0], dfFE, dfFN );
1828 :
1829 0 : else if( EQUALN(pszPRJPSB+80,"TC",2) )
1830 0 : oSRS.SetTM( adfParm[2], adfParm[0], adfParm[1], dfFE, dfFN );
1831 :
1832 0 : else if( EQUALN(pszPRJPSB+80,"VA",2) )
1833 0 : oSRS.SetVDG( adfParm[0], dfFE, dfFN );
1834 :
1835 : else
1836 0 : oSRS.SetLocalCS( NITFGetField(szName,pszPRJPSB,0,80) );
1837 :
1838 : /* -------------------------------------------------------------------- */
1839 : /* Try to apply the datum. */
1840 : /* -------------------------------------------------------------------- */
1841 3 : if (nGEOPSBSize < 86 + 4)
1842 : {
1843 : CPLError(CE_Failure, CPLE_AppDefined,
1844 0 : "Cannot read GEOPSB TRE. Not enough bytes");
1845 : return;
1846 : }
1847 3 : LoadDODDatum( &oSRS, NITFGetField(szParm,pszGEOPSB,86,4) );
1848 :
1849 : /* -------------------------------------------------------------------- */
1850 : /* Get the geotransform */
1851 : /* -------------------------------------------------------------------- */
1852 : double adfGT[6];
1853 3 : double dfMeterPerUnit = 1.0;
1854 :
1855 3 : if (nMAPLOBSize < 28 + 15)
1856 : {
1857 : CPLError(CE_Failure, CPLE_AppDefined,
1858 0 : "Cannot read MAPLOB TRE. Not enough bytes");
1859 : return;
1860 : }
1861 :
1862 3 : if( EQUALN(pszMAPLOB+0,"DM ",3) )
1863 0 : dfMeterPerUnit = 0.1;
1864 3 : else if( EQUALN(pszMAPLOB+0,"CM ",3) )
1865 0 : dfMeterPerUnit = 0.01;
1866 3 : else if( EQUALN(pszMAPLOB+0,"MM ",3) )
1867 0 : dfMeterPerUnit = 0.001;
1868 3 : else if( EQUALN(pszMAPLOB+0,"UM ",3) )
1869 0 : dfMeterPerUnit = 0.000001;
1870 3 : else if( EQUALN(pszMAPLOB+0,"KM ",3) )
1871 0 : dfMeterPerUnit = 1000.0;
1872 3 : else if( EQUALN(pszMAPLOB+0,"M ",3) )
1873 3 : dfMeterPerUnit = 1.0;
1874 : else
1875 : {
1876 : CPLError( CE_Warning, CPLE_AppDefined,
1877 : "MAPLOB Unit=%3.3s not regonised, geolocation may be wrong.",
1878 0 : pszMAPLOB+0 );
1879 : }
1880 :
1881 3 : adfGT[0] = atof(NITFGetField(szParm,pszMAPLOB,13,15));
1882 3 : adfGT[1] = atof(NITFGetField(szParm,pszMAPLOB,3,5)) * dfMeterPerUnit;
1883 3 : adfGT[2] = 0.0;
1884 3 : adfGT[3] = atof(NITFGetField(szParm,pszMAPLOB,28,15));
1885 3 : adfGT[4] = 0.0;
1886 3 : adfGT[5] = -atof(NITFGetField(szParm,pszMAPLOB,8,5)) * dfMeterPerUnit;
1887 :
1888 : /* -------------------------------------------------------------------- */
1889 : /* Apply back to dataset. */
1890 : /* -------------------------------------------------------------------- */
1891 3 : CPLFree( pszProjection );
1892 3 : pszProjection = NULL;
1893 :
1894 3 : oSRS.exportToWkt( &pszProjection );
1895 :
1896 3 : memcpy( adfGeoTransform, adfGT, sizeof(double)*6 );
1897 3 : bGotGeoTransform = TRUE;
1898 : }
1899 :
1900 : /************************************************************************/
1901 : /* AdviseRead() */
1902 : /************************************************************************/
1903 :
1904 0 : CPLErr NITFDataset::AdviseRead( int nXOff, int nYOff, int nXSize, int nYSize,
1905 : int nBufXSize, int nBufYSize,
1906 : GDALDataType eDT,
1907 : int nBandCount, int *panBandList,
1908 : char **papszOptions )
1909 :
1910 : {
1911 0 : if( poJ2KDataset == NULL )
1912 : return GDALDataset::AdviseRead( nXOff, nYOff, nXSize, nYSize,
1913 : nBufXSize, nBufYSize, eDT,
1914 : nBandCount, panBandList,
1915 0 : papszOptions);
1916 0 : else if( poJPEGDataset != NULL )
1917 : return poJPEGDataset->AdviseRead( nXOff, nYOff, nXSize, nYSize,
1918 : nBufXSize, nBufYSize, eDT,
1919 : nBandCount, panBandList,
1920 0 : papszOptions);
1921 : else
1922 : return poJ2KDataset->AdviseRead( nXOff, nYOff, nXSize, nYSize,
1923 : nBufXSize, nBufYSize, eDT,
1924 : nBandCount, panBandList,
1925 0 : papszOptions);
1926 : }
1927 :
1928 : /************************************************************************/
1929 : /* IRasterIO() */
1930 : /************************************************************************/
1931 :
1932 865 : CPLErr NITFDataset::IRasterIO( GDALRWFlag eRWFlag,
1933 : int nXOff, int nYOff, int nXSize, int nYSize,
1934 : void * pData, int nBufXSize, int nBufYSize,
1935 : GDALDataType eBufType,
1936 : int nBandCount, int *panBandMap,
1937 : int nPixelSpace, int nLineSpace, int nBandSpace)
1938 :
1939 : {
1940 865 : if( poJ2KDataset != NULL )
1941 : return poJ2KDataset->RasterIO( eRWFlag, nXOff, nYOff, nXSize, nYSize,
1942 : pData, nBufXSize, nBufYSize, eBufType,
1943 : nBandCount, panBandMap,
1944 100 : nPixelSpace, nLineSpace, nBandSpace );
1945 765 : else if( poJPEGDataset != NULL )
1946 : return poJPEGDataset->RasterIO( eRWFlag, nXOff, nYOff, nXSize, nYSize,
1947 : pData, nBufXSize, nBufYSize, eBufType,
1948 : nBandCount, panBandMap,
1949 64 : nPixelSpace, nLineSpace, nBandSpace );
1950 : else
1951 : return GDALDataset::IRasterIO( eRWFlag, nXOff, nYOff, nXSize, nYSize,
1952 : pData, nBufXSize, nBufYSize, eBufType,
1953 : nBandCount, panBandMap,
1954 701 : nPixelSpace, nLineSpace, nBandSpace );
1955 : }
1956 :
1957 :
1958 : /************************************************************************/
1959 : /* GetGeoTransform() */
1960 : /************************************************************************/
1961 :
1962 127 : CPLErr NITFDataset::GetGeoTransform( double *padfGeoTransform )
1963 :
1964 : {
1965 127 : memcpy( padfGeoTransform, adfGeoTransform, sizeof(double) * 6 );
1966 :
1967 127 : if( bGotGeoTransform )
1968 124 : return CE_None;
1969 : else
1970 3 : return GDALPamDataset::GetGeoTransform( padfGeoTransform );
1971 : }
1972 :
1973 : /************************************************************************/
1974 : /* SetGeoTransform() */
1975 : /************************************************************************/
1976 :
1977 70 : CPLErr NITFDataset::SetGeoTransform( double *padfGeoTransform )
1978 :
1979 : {
1980 : double dfIGEOLOULX, dfIGEOLOULY, dfIGEOLOURX, dfIGEOLOURY,
1981 : dfIGEOLOLRX, dfIGEOLOLRY, dfIGEOLOLLX, dfIGEOLOLLY;
1982 :
1983 70 : bGotGeoTransform = TRUE;
1984 : /* Valgrind would complain because SetGeoTransform() is called */
1985 : /* from SetProjection() with adfGeoTransform as argument */
1986 70 : if (adfGeoTransform != padfGeoTransform)
1987 64 : memcpy( adfGeoTransform, padfGeoTransform, sizeof(double) * 6 );
1988 :
1989 70 : dfIGEOLOULX = padfGeoTransform[0] + 0.5 * padfGeoTransform[1]
1990 70 : + 0.5 * padfGeoTransform[2];
1991 70 : dfIGEOLOULY = padfGeoTransform[3] + 0.5 * padfGeoTransform[4]
1992 70 : + 0.5 * padfGeoTransform[5];
1993 70 : dfIGEOLOURX = dfIGEOLOULX + padfGeoTransform[1] * (nRasterXSize - 1);
1994 70 : dfIGEOLOURY = dfIGEOLOULY + padfGeoTransform[4] * (nRasterXSize - 1);
1995 70 : dfIGEOLOLRX = dfIGEOLOULX + padfGeoTransform[1] * (nRasterXSize - 1)
1996 70 : + padfGeoTransform[2] * (nRasterYSize - 1);
1997 70 : dfIGEOLOLRY = dfIGEOLOULY + padfGeoTransform[4] * (nRasterXSize - 1)
1998 70 : + padfGeoTransform[5] * (nRasterYSize - 1);
1999 70 : dfIGEOLOLLX = dfIGEOLOULX + padfGeoTransform[2] * (nRasterYSize - 1);
2000 70 : dfIGEOLOLLY = dfIGEOLOULY + padfGeoTransform[5] * (nRasterYSize - 1);
2001 :
2002 70 : if( NITFWriteIGEOLO( psImage, psImage->chICORDS,
2003 : psImage->nZone,
2004 : dfIGEOLOULX, dfIGEOLOULY, dfIGEOLOURX, dfIGEOLOURY,
2005 : dfIGEOLOLRX, dfIGEOLOLRY, dfIGEOLOLLX, dfIGEOLOLLY ) )
2006 51 : return CE_None;
2007 : else
2008 19 : return GDALPamDataset::SetGeoTransform( padfGeoTransform );
2009 : }
2010 :
2011 : /************************************************************************/
2012 : /* SetGCPs() */
2013 : /************************************************************************/
2014 :
2015 3 : CPLErr NITFDataset::SetGCPs( int nGCPCountIn, const GDAL_GCP *pasGCPListIn,
2016 : const char *pszGCPProjectionIn )
2017 : {
2018 3 : if( nGCPCountIn != 4 )
2019 : {
2020 : CPLError(CE_Failure, CPLE_NotSupported,
2021 0 : "NITF only supports writing 4 GCPs.");
2022 0 : return CE_Failure;
2023 : }
2024 :
2025 : /* Free previous GCPs */
2026 3 : GDALDeinitGCPs( nGCPCount, pasGCPList );
2027 3 : CPLFree( pasGCPList );
2028 :
2029 : /* Duplicate in GCPs */
2030 3 : nGCPCount = nGCPCountIn;
2031 3 : pasGCPList = GDALDuplicateGCPs(nGCPCount, pasGCPListIn);
2032 :
2033 3 : CPLFree(pszGCPProjection);
2034 3 : pszGCPProjection = CPLStrdup(pszGCPProjectionIn);
2035 :
2036 3 : int iUL = -1, iUR = -1, iLR = -1, iLL = -1;
2037 :
2038 : #define EPS_GCP 1e-5
2039 15 : for(int i = 0; i < 4; i++ )
2040 : {
2041 21 : if (fabs(pasGCPList[i].dfGCPPixel - 0.5) < EPS_GCP &&
2042 6 : fabs(pasGCPList[i].dfGCPLine - 0.5) < EPS_GCP)
2043 3 : iUL = i;
2044 :
2045 18 : else if (fabs(pasGCPList[i].dfGCPPixel - (nRasterXSize - 0.5)) < EPS_GCP &&
2046 6 : fabs(pasGCPList[i].dfGCPLine - 0.5) < EPS_GCP)
2047 3 : iUR = i;
2048 :
2049 12 : else if (fabs(pasGCPList[i].dfGCPPixel - (nRasterXSize - 0.5)) < EPS_GCP &&
2050 3 : fabs(pasGCPList[i].dfGCPLine - (nRasterYSize - 0.5)) < EPS_GCP )
2051 3 : iLR = i;
2052 :
2053 6 : else if (fabs(pasGCPList[i].dfGCPPixel - 0.5) < EPS_GCP &&
2054 3 : fabs(pasGCPList[i].dfGCPLine - (nRasterYSize - 0.5)) < EPS_GCP)
2055 3 : iLL = i;
2056 : }
2057 :
2058 3 : if (iUL < 0 || iUR < 0 || iLR < 0 || iLL < 0)
2059 : {
2060 : CPLError(CE_Failure, CPLE_NotSupported,
2061 : "The 4 GCPs image coordinates must be exactly "
2062 : "at the *center* of the 4 corners of the image "
2063 : "( (%.1f, %.1f), (%.1f %.1f), (%.1f %.1f), (%.1f %.1f) ).",
2064 : 0.5, 0.5,
2065 : nRasterYSize - 0.5, 0.5,
2066 : nRasterXSize - 0.5, nRasterYSize - 0.5,
2067 0 : nRasterXSize - 0.5, 0.5);
2068 0 : return CE_Failure;
2069 : }
2070 :
2071 3 : double dfIGEOLOULX = pasGCPList[iUL].dfGCPX;
2072 3 : double dfIGEOLOULY = pasGCPList[iUL].dfGCPY;
2073 3 : double dfIGEOLOURX = pasGCPList[iUR].dfGCPX;
2074 3 : double dfIGEOLOURY = pasGCPList[iUR].dfGCPY;
2075 3 : double dfIGEOLOLRX = pasGCPList[iLR].dfGCPX;
2076 3 : double dfIGEOLOLRY = pasGCPList[iLR].dfGCPY;
2077 3 : double dfIGEOLOLLX = pasGCPList[iLL].dfGCPX;
2078 3 : double dfIGEOLOLLY = pasGCPList[iLL].dfGCPY;
2079 :
2080 : /* To recompute the zone */
2081 3 : char* pszProjectionBack = pszProjection ? CPLStrdup(pszProjection) : NULL;
2082 3 : CPLErr eErr = SetProjection(pszGCPProjection);
2083 3 : CPLFree(pszProjection);
2084 3 : pszProjection = pszProjectionBack;
2085 :
2086 3 : if (eErr != CE_None)
2087 0 : return eErr;
2088 :
2089 3 : if( NITFWriteIGEOLO( psImage, psImage->chICORDS,
2090 : psImage->nZone,
2091 : dfIGEOLOULX, dfIGEOLOULY, dfIGEOLOURX, dfIGEOLOURY,
2092 : dfIGEOLOLRX, dfIGEOLOLRY, dfIGEOLOLLX, dfIGEOLOLLY ) )
2093 3 : return CE_None;
2094 : else
2095 0 : return CE_Failure;
2096 : }
2097 :
2098 : /************************************************************************/
2099 : /* GetProjectionRef() */
2100 : /************************************************************************/
2101 :
2102 119 : const char *NITFDataset::GetProjectionRef()
2103 :
2104 : {
2105 119 : if( bGotGeoTransform )
2106 113 : return pszProjection;
2107 : else
2108 6 : return GDALPamDataset::GetProjectionRef();
2109 : }
2110 :
2111 : /************************************************************************/
2112 : /* SetProjection() */
2113 : /************************************************************************/
2114 :
2115 25 : CPLErr NITFDataset::SetProjection(const char* _pszProjection)
2116 :
2117 : {
2118 : int bNorth;
2119 25 : OGRSpatialReference oSRS, oSRS_WGS84;
2120 25 : char *pszWKT = (char *) _pszProjection;
2121 :
2122 25 : if( pszWKT != NULL )
2123 25 : oSRS.importFromWkt( &pszWKT );
2124 : else
2125 0 : return CE_Failure;
2126 :
2127 25 : oSRS_WGS84.SetWellKnownGeogCS( "WGS84" );
2128 25 : if ( oSRS.IsSameGeogCS(&oSRS_WGS84) == FALSE)
2129 : {
2130 : CPLError(CE_Failure, CPLE_NotSupported,
2131 0 : "NITF only supports WGS84 geographic and UTM projections.\n");
2132 0 : return CE_Failure;
2133 : }
2134 :
2135 25 : if( oSRS.IsGeographic() && oSRS.GetPrimeMeridian() == 0.0)
2136 : {
2137 24 : if (psImage->chICORDS != 'G' && psImage->chICORDS != 'D')
2138 : {
2139 : CPLError(CE_Failure, CPLE_NotSupported,
2140 19 : "NITF file should have been created with creation option 'ICORDS=G' (or 'ICORDS=D').\n");
2141 19 : return CE_Failure;
2142 : }
2143 : }
2144 1 : else if( oSRS.GetUTMZone( &bNorth ) > 0)
2145 : {
2146 1 : if (bNorth && psImage->chICORDS != 'N')
2147 : {
2148 : CPLError(CE_Failure, CPLE_NotSupported,
2149 0 : "NITF file should have been created with creation option 'ICORDS=N'.\n");
2150 0 : return CE_Failure;
2151 : }
2152 1 : else if (!bNorth && psImage->chICORDS != 'S')
2153 : {
2154 : CPLError(CE_Failure, CPLE_NotSupported,
2155 0 : "NITF file should have been created with creation option 'ICORDS=S'.\n");
2156 0 : return CE_Failure;
2157 : }
2158 :
2159 1 : psImage->nZone = oSRS.GetUTMZone( NULL );
2160 : }
2161 : else
2162 : {
2163 : CPLError(CE_Failure, CPLE_NotSupported,
2164 0 : "NITF only supports WGS84 geographic and UTM projections.\n");
2165 0 : return CE_Failure;
2166 : }
2167 :
2168 6 : CPLFree(pszProjection);
2169 6 : pszProjection = CPLStrdup(_pszProjection);
2170 :
2171 6 : if (bGotGeoTransform)
2172 6 : SetGeoTransform(adfGeoTransform);
2173 :
2174 6 : return CE_None;
2175 : }
2176 :
2177 : #ifdef ESRI_BUILD
2178 : /************************************************************************/
2179 : /* InitializeNITFDESMetadata() */
2180 : /************************************************************************/
2181 :
2182 : void NITFDataset::InitializeNITFDESMetadata()
2183 : {
2184 : static const char *pszDESMetadataDomain = "NITF_DES_METADATA";
2185 : static const char *pszDESsDomain = "NITF_DES";
2186 : static const char *pszMDXmlDataContentDESDATA = "NITF_DES_XML_DATA_CONTENT_DESDATA";
2187 : static const char *pszXmlDataContent = "XML_DATA_CONTENT";
2188 : static const int idxXmlDataContentDESDATA = 973;
2189 : static const int sizeXmlDataContent = (int)strlen(pszXmlDataContent);
2190 :
2191 : char **ppszDESMetadataList = oSpecialMD.GetMetadata( pszDESMetadataDomain );
2192 :
2193 : if( ppszDESMetadataList != NULL ) return;
2194 :
2195 : char **ppszDESsList = this->GetMetadata( pszDESsDomain );
2196 :
2197 : if( ppszDESsList == NULL ) return;
2198 :
2199 : bool foundXmlDataContent = false;
2200 : char *pachNITFDES = NULL;
2201 :
2202 : // Set metadata "NITF_DES_XML_DATA_CONTENT_DESDATA".
2203 : // NOTE: There should only be one instance of XML_DATA_CONTENT DES.
2204 :
2205 : while( ((pachNITFDES = *ppszDESsList) != NULL) && (!foundXmlDataContent) )
2206 : {
2207 : // The data stream has been Base64 encoded, need to decode it.
2208 : // NOTE: The actual length of the DES data stream is appended at the beginning of the encoded
2209 : // data and is separated by a space.
2210 :
2211 : const char* pszSpace = strchr(pachNITFDES, ' ');
2212 :
2213 : char* pszData = NULL;
2214 : int nDataLen = 0;
2215 : if( pszSpace )
2216 : {
2217 : pszData = CPLStrdup( pszSpace+1 );
2218 : nDataLen = CPLBase64DecodeInPlace((GByte*)pszData);
2219 : pszData[nDataLen] = 0;
2220 : }
2221 :
2222 : if ( nDataLen > 2 + sizeXmlDataContent && EQUALN(pszData, "DE", 2) )
2223 : {
2224 : // Check to see if this is a XML_DATA_CONTENT DES.
2225 : if ( EQUALN(pszData + 2, pszXmlDataContent, sizeXmlDataContent) &&
2226 : nDataLen > idxXmlDataContentDESDATA )
2227 : {
2228 : foundXmlDataContent = true;
2229 :
2230 : // Get the value of the DESDATA field and set metadata "NITF_DES_XML_DATA_CONTENT_DESDATA".
2231 : const char* pszXML = pszData + idxXmlDataContentDESDATA;
2232 :
2233 : // Set the metadata.
2234 : oSpecialMD.SetMetadataItem( pszMDXmlDataContentDESDATA, pszXML, pszDESMetadataDomain );
2235 : }
2236 : }
2237 :
2238 : CPLFree(pszData);
2239 :
2240 : pachNITFDES = NULL;
2241 : ppszDESsList += 1;
2242 : }
2243 : }
2244 :
2245 :
2246 : /************************************************************************/
2247 : /* InitializeNITFDESs() */
2248 : /************************************************************************/
2249 :
2250 : void NITFDataset::InitializeNITFDESs()
2251 : {
2252 : static const char *pszDESsDomain = "NITF_DES";
2253 :
2254 : char **ppszDESsList = oSpecialMD.GetMetadata( pszDESsDomain );
2255 :
2256 : if( ppszDESsList != NULL ) return;
2257 :
2258 : /* -------------------------------------------------------------------- */
2259 : /* Go through all the segments and process all DES segments. */
2260 : /* -------------------------------------------------------------------- */
2261 :
2262 : char *pachDESData = NULL;
2263 : int nDESDataSize = 0;
2264 : std::string encodedDESData("");
2265 : CPLStringList aosList;
2266 :
2267 : for( int iSegment = 0; iSegment < psFile->nSegmentCount; iSegment++ )
2268 : {
2269 : NITFSegmentInfo *psSegInfo = psFile->pasSegmentInfo + iSegment;
2270 :
2271 : if( EQUAL(psSegInfo->szSegmentType,"DE") )
2272 : {
2273 : nDESDataSize = psSegInfo->nSegmentHeaderSize + psSegInfo->nSegmentSize;
2274 : pachDESData = (char*) VSIMalloc( nDESDataSize + 1 );
2275 :
2276 : if (pachDESData == NULL)
2277 : {
2278 : CPLError( CE_Failure, CPLE_OutOfMemory, "Cannot allocate memory for DES segment" );
2279 : return;
2280 : }
2281 :
2282 : if( VSIFSeekL( psFile->fp, psSegInfo->nSegmentHeaderStart,
2283 : SEEK_SET ) != 0
2284 : || (int)VSIFReadL( pachDESData, 1, nDESDataSize,
2285 : psFile->fp ) != nDESDataSize )
2286 : {
2287 : CPLError( CE_Failure, CPLE_FileIO,
2288 : "Failed to read %d byte DES subheader from " CPL_FRMT_GUIB ".",
2289 : nDESDataSize,
2290 : psSegInfo->nSegmentHeaderStart );
2291 : CPLFree( pachDESData );
2292 : return;
2293 : }
2294 :
2295 : pachDESData[nDESDataSize] = '\0';
2296 :
2297 : /* -------------------------------------------------------------------- */
2298 : /* Accumulate all the DES segments. */
2299 : /* -------------------------------------------------------------------- */
2300 :
2301 : char* pszBase64 = CPLBase64Encode( nDESDataSize, (const GByte *)pachDESData );
2302 : encodedDESData = pszBase64;
2303 : CPLFree(pszBase64);
2304 :
2305 : CPLFree( pachDESData );
2306 : pachDESData = NULL;
2307 :
2308 : if( encodedDESData.empty() )
2309 : {
2310 : CPLError(CE_Failure, CPLE_AppDefined, "Failed to encode DES subheader data!");
2311 : return;
2312 : }
2313 :
2314 : // The length of the DES subheader data plus a space is append to the beginning of the encoded
2315 : // string so that we can recover the actual length of the image subheader when we decode it.
2316 :
2317 : char buffer[20];
2318 :
2319 : sprintf(buffer, "%d", nDESDataSize);
2320 :
2321 : std::string desSubheaderStr(buffer);
2322 : desSubheaderStr.append(" ");
2323 : desSubheaderStr.append(encodedDESData);
2324 :
2325 : aosList.AddString(desSubheaderStr.c_str() );
2326 : }
2327 : }
2328 :
2329 : if (aosList.size() > 0)
2330 : oSpecialMD.SetMetadata( aosList.List(), pszDESsDomain );
2331 : }
2332 :
2333 : /************************************************************************/
2334 : /* InitializeNITFTREs() */
2335 : /************************************************************************/
2336 :
2337 : void NITFDataset::InitializeNITFTREs()
2338 : {
2339 : static const char *pszFileHeaderTREsDomain = "NITF_FILE_HEADER_TRES";
2340 : static const char *pszImageSegmentTREsDomain = "NITF_IMAGE_SEGMENT_TRES";
2341 :
2342 : char **ppszFileHeaderTREsList = oSpecialMD.GetMetadata( pszFileHeaderTREsDomain );
2343 : char **ppszImageSegmentTREsList = oSpecialMD.GetMetadata( pszImageSegmentTREsDomain );
2344 :
2345 : if( (ppszFileHeaderTREsList != NULL) && (ppszImageSegmentTREsList != NULL ) ) return;
2346 :
2347 : /* -------------------------------------------------------------------- */
2348 : /* Loop over TRE sources (file and image). */
2349 : /* -------------------------------------------------------------------- */
2350 :
2351 : for( int nTRESrc = 0; nTRESrc < 2; nTRESrc++ )
2352 : {
2353 : int nTREBytes = 0;
2354 : char *pszTREData = NULL;
2355 : const char *pszTREsDomain = NULL;
2356 : CPLStringList aosList;
2357 :
2358 : /* -------------------------------------------------------------------- */
2359 : /* Extract file header or image segment TREs. */
2360 : /* -------------------------------------------------------------------- */
2361 :
2362 : if( nTRESrc == 0 )
2363 : {
2364 : if( ppszFileHeaderTREsList != NULL ) continue;
2365 :
2366 : nTREBytes = psFile->nTREBytes;
2367 : pszTREData = psFile->pachTRE;
2368 : pszTREsDomain = pszFileHeaderTREsDomain;
2369 : }
2370 : else
2371 : {
2372 : if( ppszImageSegmentTREsList != NULL ) continue;
2373 :
2374 : if( psImage )
2375 : {
2376 : nTREBytes = psImage->nTREBytes;
2377 : pszTREData = psImage->pachTRE;
2378 : pszTREsDomain = pszImageSegmentTREsDomain;
2379 : }
2380 : else
2381 : {
2382 : nTREBytes = 0;
2383 : pszTREData = NULL;
2384 : }
2385 : }
2386 :
2387 : /* -------------------------------------------------------------------- */
2388 : /* Loop over TREs. */
2389 : /* -------------------------------------------------------------------- */
2390 :
2391 : while( nTREBytes >= 11 )
2392 : {
2393 : char szTemp[100];
2394 : char szTag[7];
2395 : char *pszEscapedData = NULL;
2396 : int nThisTRESize = atoi(NITFGetField(szTemp, pszTREData, 6, 5 ));
2397 :
2398 : if (nThisTRESize < 0)
2399 : {
2400 : NITFGetField(szTemp, pszTREData, 0, 6 );
2401 : CPLError(CE_Failure, CPLE_AppDefined, "Invalid size (%d) for TRE %s",
2402 : nThisTRESize, szTemp);
2403 : return;
2404 : }
2405 :
2406 : if (nThisTRESize > nTREBytes - 11)
2407 : {
2408 : CPLError(CE_Failure, CPLE_AppDefined, "Not enough bytes in TRE");
2409 : return;
2410 : }
2411 :
2412 : strncpy( szTag, pszTREData, 6 );
2413 : szTag[6] = '\0';
2414 :
2415 : // trim white off tag.
2416 : while( strlen(szTag) > 0 && szTag[strlen(szTag)-1] == ' ' )
2417 : szTag[strlen(szTag)-1] = '\0';
2418 :
2419 : // escape data.
2420 : pszEscapedData = CPLEscapeString( pszTREData + 6,
2421 : nThisTRESize + 5,
2422 : CPLES_BackslashQuotable );
2423 :
2424 : char * pszLine = (char *) CPLMalloc( strlen(szTag)+strlen(pszEscapedData)+2 );
2425 : sprintf( pszLine, "%s=%s", szTag, pszEscapedData );
2426 : aosList.AddString(pszLine);
2427 : CPLFree(pszLine);
2428 : pszLine = NULL;
2429 :
2430 : CPLFree( pszEscapedData );
2431 : pszEscapedData = NULL;
2432 :
2433 : nTREBytes -= (nThisTRESize + 11);
2434 : pszTREData += (nThisTRESize + 11);
2435 : }
2436 :
2437 : if (aosList.size() > 0)
2438 : oSpecialMD.SetMetadata( aosList.List(), pszTREsDomain );
2439 : }
2440 : }
2441 : #endif
2442 :
2443 : /************************************************************************/
2444 : /* InitializeNITFMetadata() */
2445 : /************************************************************************/
2446 :
2447 2 : void NITFDataset::InitializeNITFMetadata()
2448 :
2449 : {
2450 : static const char *pszDomainName = "NITF_METADATA";
2451 : static const char *pszTagNITFFileHeader = "NITFFileHeader";
2452 : static const char *pszTagNITFImageSubheader = "NITFImageSubheader";
2453 :
2454 2 : if( oSpecialMD.GetMetadata( pszDomainName ) != NULL )
2455 0 : return;
2456 :
2457 : // nHeaderLenOffset is the number of bytes to skip from the beginning of the NITF file header
2458 : // in order to get to the field HL (NITF file header length).
2459 :
2460 2 : int nHeaderLen = 0;
2461 2 : int nHeaderLenOffset = 0;
2462 :
2463 : // Get the NITF file header length.
2464 :
2465 2 : if( psFile->pachHeader != NULL )
2466 : {
2467 4 : if ( (strncmp(psFile->pachHeader, "NITF02.10", 9) == 0) || (strncmp(psFile->pachHeader, "NSIF01.00", 9) == 0) )
2468 2 : nHeaderLenOffset = 354;
2469 0 : else if ( (strncmp(psFile->pachHeader, "NITF01.10", 9) == 0) || (strncmp(psFile->pachHeader, "NITF02.00", 9) == 0) )
2470 0 : nHeaderLenOffset = ( strncmp((psFile->pachHeader+280), "999998", 6 ) == 0 ) ? 394 : 354;
2471 : }
2472 :
2473 : char fieldHL[7];
2474 :
2475 2 : if( nHeaderLenOffset > 0 )
2476 : {
2477 2 : char *pszFieldHL = psFile->pachHeader + nHeaderLenOffset;
2478 :
2479 2 : memcpy(fieldHL, pszFieldHL, 6);
2480 2 : fieldHL[6] = '\0';
2481 2 : nHeaderLen = atoi(fieldHL);
2482 : }
2483 :
2484 2 : if( nHeaderLen <= 0 )
2485 : {
2486 0 : CPLError(CE_Failure, CPLE_AppDefined, "Zero length NITF file header!");
2487 0 : return;
2488 : }
2489 :
2490 : char *encodedHeader = CPLBase64Encode(nHeaderLen,
2491 2 : (GByte*)psFile->pachHeader);
2492 :
2493 2 : if (encodedHeader == NULL || strlen(encodedHeader) == 0 )
2494 : {
2495 : CPLError(CE_Failure, CPLE_AppDefined,
2496 0 : "Failed to encode NITF file header!");
2497 0 : return;
2498 : }
2499 :
2500 : // The length of the NITF file header plus a space is append to the beginning of the encoded string so
2501 : // that we can recover the length of the NITF file header when we decode it without having to pull it
2502 : // out the HL field again.
2503 :
2504 2 : std::string nitfFileheaderStr(fieldHL);
2505 2 : nitfFileheaderStr.append(" ");
2506 2 : nitfFileheaderStr.append(encodedHeader);
2507 :
2508 2 : CPLFree( encodedHeader );
2509 :
2510 2 : oSpecialMD.SetMetadataItem( pszTagNITFFileHeader, nitfFileheaderStr.c_str(), pszDomainName );
2511 :
2512 : // Get the image subheader length.
2513 :
2514 2 : int nImageSubheaderLen = 0;
2515 :
2516 2 : for( int i = 0; i < psFile->nSegmentCount; ++i )
2517 : {
2518 2 : if (strncmp(psFile->pasSegmentInfo[i].szSegmentType, "IM", 2) == 0)
2519 : {
2520 2 : nImageSubheaderLen = psFile->pasSegmentInfo[i].nSegmentHeaderSize;
2521 2 : break;
2522 : }
2523 : }
2524 :
2525 2 : if( nImageSubheaderLen < 0 )
2526 : {
2527 0 : CPLError(CE_Failure, CPLE_AppDefined, "Invalid length NITF image subheader!");
2528 : return;
2529 : }
2530 :
2531 2 : if( nImageSubheaderLen > 0 )
2532 : {
2533 2 : char *encodedImageSubheader = CPLBase64Encode(nImageSubheaderLen,(GByte*) psImage->pachHeader);
2534 :
2535 2 : if( encodedImageSubheader == NULL || strlen(encodedImageSubheader) ==0 )
2536 : {
2537 : CPLError(CE_Failure, CPLE_AppDefined,
2538 0 : "Failed to encode image subheader!");
2539 : return;
2540 : }
2541 :
2542 : // The length of the image subheader plus a space is append to the beginning of the encoded string so
2543 : // that we can recover the actual length of the image subheader when we decode it.
2544 :
2545 : char buffer[20];
2546 :
2547 2 : sprintf(buffer, "%d", nImageSubheaderLen);
2548 :
2549 2 : std::string imageSubheaderStr(buffer);
2550 2 : imageSubheaderStr.append(" ");
2551 2 : imageSubheaderStr.append(encodedImageSubheader);
2552 :
2553 2 : CPLFree( encodedImageSubheader );
2554 :
2555 2 : oSpecialMD.SetMetadataItem( pszTagNITFImageSubheader, imageSubheaderStr.c_str(), pszDomainName );
2556 0 : }
2557 : }
2558 :
2559 : /************************************************************************/
2560 : /* InitializeCGMMetadata() */
2561 : /************************************************************************/
2562 :
2563 11 : void NITFDataset::InitializeCGMMetadata()
2564 :
2565 : {
2566 11 : if( oSpecialMD.GetMetadataItem( "SEGMENT_COUNT", "CGM" ) != NULL )
2567 1 : return;
2568 :
2569 : int iSegment;
2570 10 : int iCGM = 0;
2571 10 : char **papszCGMMetadata = NULL;
2572 :
2573 : papszCGMMetadata =
2574 10 : CSLSetNameValue( papszCGMMetadata, "SEGMENT_COUNT", "0" );
2575 :
2576 : /* ==================================================================== */
2577 : /* Process all graphics segments. */
2578 : /* ==================================================================== */
2579 38 : for( iSegment = 0; iSegment < psFile->nSegmentCount; iSegment++ )
2580 : {
2581 28 : NITFSegmentInfo *psSegment = psFile->pasSegmentInfo + iSegment;
2582 :
2583 28 : if( !EQUAL(psSegment->szSegmentType,"GR")
2584 : && !EQUAL(psSegment->szSegmentType,"SY") )
2585 14 : continue;
2586 :
2587 : papszCGMMetadata =
2588 : CSLSetNameValue( papszCGMMetadata,
2589 : CPLString().Printf("SEGMENT_%d_SLOC_ROW", iCGM),
2590 14 : CPLString().Printf("%d",psSegment->nLOC_R) );
2591 : papszCGMMetadata =
2592 : CSLSetNameValue( papszCGMMetadata,
2593 : CPLString().Printf("SEGMENT_%d_SLOC_COL", iCGM),
2594 28 : CPLString().Printf("%d",psSegment->nLOC_C) );
2595 :
2596 : papszCGMMetadata =
2597 : CSLSetNameValue( papszCGMMetadata,
2598 : CPLString().Printf("SEGMENT_%d_CCS_ROW", iCGM),
2599 28 : CPLString().Printf("%d",psSegment->nCCS_R) );
2600 : papszCGMMetadata =
2601 : CSLSetNameValue( papszCGMMetadata,
2602 : CPLString().Printf("SEGMENT_%d_CCS_COL", iCGM),
2603 28 : CPLString().Printf("%d",psSegment->nCCS_C) );
2604 :
2605 : papszCGMMetadata =
2606 : CSLSetNameValue( papszCGMMetadata,
2607 : CPLString().Printf("SEGMENT_%d_SDLVL", iCGM),
2608 28 : CPLString().Printf("%d",psSegment->nDLVL) );
2609 : papszCGMMetadata =
2610 : CSLSetNameValue( papszCGMMetadata,
2611 : CPLString().Printf("SEGMENT_%d_SALVL", iCGM),
2612 28 : CPLString().Printf("%d",psSegment->nALVL) );
2613 :
2614 : /* -------------------------------------------------------------------- */
2615 : /* Load the raw CGM data itself. */
2616 : /* -------------------------------------------------------------------- */
2617 : char *pabyCGMData, *pszEscapedCGMData;
2618 :
2619 14 : pabyCGMData = (char *) VSICalloc(1,(size_t)psSegment->nSegmentSize);
2620 14 : if (pabyCGMData == NULL)
2621 : {
2622 0 : CPLError( CE_Failure, CPLE_OutOfMemory, "Out of memory");
2623 0 : CSLDestroy( papszCGMMetadata );
2624 0 : return;
2625 : }
2626 14 : if( VSIFSeekL( psFile->fp, psSegment->nSegmentStart,
2627 : SEEK_SET ) != 0
2628 : || VSIFReadL( pabyCGMData, 1, (size_t)psSegment->nSegmentSize,
2629 : psFile->fp ) != psSegment->nSegmentSize )
2630 : {
2631 : CPLError( CE_Warning, CPLE_FileIO,
2632 : "Failed to read " CPL_FRMT_GUIB " bytes of graphic data at " CPL_FRMT_GUIB ".",
2633 : psSegment->nSegmentSize,
2634 0 : psSegment->nSegmentStart );
2635 0 : CPLFree(pabyCGMData);
2636 0 : CSLDestroy( papszCGMMetadata );
2637 0 : return;
2638 : }
2639 :
2640 : pszEscapedCGMData = CPLEscapeString( pabyCGMData,
2641 : (int)psSegment->nSegmentSize,
2642 14 : CPLES_BackslashQuotable );
2643 14 : if (pszEscapedCGMData == NULL)
2644 : {
2645 0 : CPLError( CE_Failure, CPLE_OutOfMemory, "Out of memory");
2646 0 : CPLFree(pabyCGMData);
2647 0 : CSLDestroy( papszCGMMetadata );
2648 0 : return;
2649 : }
2650 :
2651 : papszCGMMetadata =
2652 : CSLSetNameValue( papszCGMMetadata,
2653 : CPLString().Printf("SEGMENT_%d_DATA", iCGM),
2654 14 : pszEscapedCGMData );
2655 14 : CPLFree( pszEscapedCGMData );
2656 14 : CPLFree( pabyCGMData );
2657 :
2658 14 : iCGM++;
2659 : }
2660 :
2661 : /* -------------------------------------------------------------------- */
2662 : /* Record the CGM segment count. */
2663 : /* -------------------------------------------------------------------- */
2664 : papszCGMMetadata =
2665 : CSLSetNameValue( papszCGMMetadata,
2666 : "SEGMENT_COUNT",
2667 10 : CPLString().Printf( "%d", iCGM ) );
2668 :
2669 10 : oSpecialMD.SetMetadata( papszCGMMetadata, "CGM" );
2670 :
2671 10 : CSLDestroy( papszCGMMetadata );
2672 : }
2673 :
2674 : /************************************************************************/
2675 : /* InitializeTextMetadata() */
2676 : /************************************************************************/
2677 :
2678 12 : void NITFDataset::InitializeTextMetadata()
2679 :
2680 : {
2681 12 : if( oSpecialMD.GetMetadata( "TEXT" ) != NULL )
2682 2 : return;
2683 :
2684 : int iSegment;
2685 10 : int iText = 0;
2686 :
2687 : /* ==================================================================== */
2688 : /* Process all text segments. */
2689 : /* ==================================================================== */
2690 237 : for( iSegment = 0; iSegment < psFile->nSegmentCount; iSegment++ )
2691 : {
2692 227 : NITFSegmentInfo *psSegment = psFile->pasSegmentInfo + iSegment;
2693 :
2694 227 : if( !EQUAL(psSegment->szSegmentType,"TX") )
2695 216 : continue;
2696 :
2697 : /* -------------------------------------------------------------------- */
2698 : /* Load the text header */
2699 : /* -------------------------------------------------------------------- */
2700 :
2701 : /* Allocate one extra byte for the NULL terminating character */
2702 : char *pabyHeaderData = (char *) CPLCalloc(1,
2703 11 : (size_t) psSegment->nSegmentHeaderSize + 1);
2704 11 : if (VSIFSeekL(psFile->fp, psSegment->nSegmentHeaderStart,
2705 : SEEK_SET) != 0 ||
2706 : VSIFReadL(pabyHeaderData, 1, (size_t) psSegment->nSegmentHeaderSize,
2707 : psFile->fp) != psSegment->nSegmentHeaderSize)
2708 : {
2709 : CPLError( CE_Warning, CPLE_FileIO,
2710 : "Failed to read %d bytes of text header data at " CPL_FRMT_GUIB ".",
2711 : psSegment->nSegmentHeaderSize,
2712 0 : psSegment->nSegmentHeaderStart);
2713 0 : CPLFree(pabyHeaderData);
2714 0 : return;
2715 : }
2716 :
2717 : oSpecialMD.SetMetadataItem( CPLString().Printf("HEADER_%d", iText),
2718 11 : pabyHeaderData, "TEXT");
2719 11 : CPLFree(pabyHeaderData);
2720 :
2721 : /* -------------------------------------------------------------------- */
2722 : /* Load the raw TEXT data itself. */
2723 : /* -------------------------------------------------------------------- */
2724 : char *pabyTextData;
2725 :
2726 : /* Allocate one extra byte for the NULL terminating character */
2727 11 : pabyTextData = (char *) VSICalloc(1,(size_t)psSegment->nSegmentSize+1);
2728 11 : if (pabyTextData == NULL)
2729 : {
2730 0 : CPLError( CE_Failure, CPLE_OutOfMemory, "Out of memory");
2731 0 : return;
2732 : }
2733 11 : if( VSIFSeekL( psFile->fp, psSegment->nSegmentStart,
2734 : SEEK_SET ) != 0
2735 : || VSIFReadL( pabyTextData, 1, (size_t)psSegment->nSegmentSize,
2736 : psFile->fp ) != psSegment->nSegmentSize )
2737 : {
2738 : CPLError( CE_Warning, CPLE_FileIO,
2739 : "Failed to read " CPL_FRMT_GUIB " bytes of text data at " CPL_FRMT_GUIB ".",
2740 : psSegment->nSegmentSize,
2741 0 : psSegment->nSegmentStart );
2742 0 : CPLFree( pabyTextData );
2743 0 : return;
2744 : }
2745 :
2746 : oSpecialMD.SetMetadataItem( CPLString().Printf( "DATA_%d", iText),
2747 11 : pabyTextData, "TEXT" );
2748 11 : CPLFree( pabyTextData );
2749 :
2750 11 : iText++;
2751 : }
2752 : }
2753 :
2754 : /************************************************************************/
2755 : /* InitializeTREMetadata() */
2756 : /************************************************************************/
2757 :
2758 15 : void NITFDataset::InitializeTREMetadata()
2759 :
2760 : {
2761 15 : if( oSpecialMD.GetMetadata( "TRE" ) != NULL )
2762 3 : return;
2763 :
2764 12 : CPLXMLNode* psTresNode = CPLCreateXMLNode(NULL, CXT_Element, "tres");
2765 :
2766 : /* -------------------------------------------------------------------- */
2767 : /* Loop over TRE sources (file and image). */
2768 : /* -------------------------------------------------------------------- */
2769 : int nTRESrc;
2770 :
2771 36 : for( nTRESrc = 0; nTRESrc < 2; nTRESrc++ )
2772 : {
2773 : int nTREBytes;
2774 : char *pszTREData;
2775 :
2776 24 : if( nTRESrc == 0 )
2777 : {
2778 12 : nTREBytes = psFile->nTREBytes;
2779 12 : pszTREData = psFile->pachTRE;
2780 : }
2781 : else
2782 : {
2783 12 : if( psImage )
2784 : {
2785 12 : nTREBytes = psImage->nTREBytes;
2786 12 : pszTREData = psImage->pachTRE;
2787 : }
2788 : else
2789 : {
2790 0 : nTREBytes = 0;
2791 0 : pszTREData = NULL;
2792 : }
2793 : }
2794 :
2795 : /* -------------------------------------------------------------------- */
2796 : /* Loop over TREs. */
2797 : /* -------------------------------------------------------------------- */
2798 :
2799 61 : while( nTREBytes >= 11 )
2800 : {
2801 : char szTemp[100];
2802 : char szTag[7];
2803 : char *pszEscapedData;
2804 13 : int nThisTRESize = atoi(NITFGetField(szTemp, pszTREData, 6, 5 ));
2805 :
2806 13 : if (nThisTRESize < 0)
2807 : {
2808 0 : NITFGetField(szTemp, pszTREData, 0, 6 );
2809 : CPLError(CE_Failure, CPLE_AppDefined, "Invalid size (%d) for TRE %s",
2810 0 : nThisTRESize, szTemp);
2811 0 : return;
2812 : }
2813 13 : if (nThisTRESize > nTREBytes - 11)
2814 : {
2815 0 : CPLError(CE_Failure, CPLE_AppDefined, "Not enough bytes in TRE");
2816 0 : return;
2817 : }
2818 :
2819 13 : strncpy( szTag, pszTREData, 6 );
2820 13 : szTag[6] = '\0';
2821 :
2822 : // trim white off tag.
2823 26 : while( strlen(szTag) > 0 && szTag[strlen(szTag)-1] == ' ' )
2824 0 : szTag[strlen(szTag)-1] = '\0';
2825 :
2826 13 : CPLXMLNode* psTreNode = NITFCreateXMLTre(psFile, szTag, pszTREData + 11,nThisTRESize);
2827 13 : if (psTreNode)
2828 : {
2829 : CPLCreateXMLNode(CPLCreateXMLNode(psTreNode, CXT_Attribute, "location"),
2830 11 : CXT_Text, nTRESrc == 0 ? "file" : "image");
2831 11 : CPLAddXMLChild(psTresNode, psTreNode);
2832 : }
2833 :
2834 : // escape data.
2835 : pszEscapedData = CPLEscapeString( pszTREData + 11,
2836 : nThisTRESize,
2837 13 : CPLES_BackslashQuotable );
2838 13 : if (pszEscapedData == NULL)
2839 : {
2840 0 : CPLError( CE_Failure, CPLE_OutOfMemory, "Out of memory");
2841 0 : return;
2842 : }
2843 :
2844 : char szUniqueTag[32];
2845 13 : strcpy(szUniqueTag, szTag);
2846 13 : int nCountUnique = 2;
2847 26 : while(oSpecialMD.GetMetadataItem( szUniqueTag, "TRE") != NULL)
2848 : {
2849 0 : sprintf(szUniqueTag, "%s_%d", szTag, nCountUnique);
2850 0 : nCountUnique ++;
2851 : }
2852 13 : oSpecialMD.SetMetadataItem( szUniqueTag, pszEscapedData, "TRE" );
2853 13 : CPLFree( pszEscapedData );
2854 :
2855 13 : nTREBytes -= (nThisTRESize + 11);
2856 13 : pszTREData += (nThisTRESize + 11);
2857 : }
2858 : }
2859 :
2860 : /* -------------------------------------------------------------------- */
2861 : /* Loop over TRE in DES */
2862 : /* -------------------------------------------------------------------- */
2863 : int iSegment;
2864 31 : for( iSegment = 0; iSegment < psFile->nSegmentCount; iSegment++ )
2865 : {
2866 19 : NITFSegmentInfo *psSegInfo = psFile->pasSegmentInfo + iSegment;
2867 : NITFDES *psDES;
2868 19 : int nOffset = 0;
2869 : char szTREName[7];
2870 : int nThisTRESize;
2871 :
2872 19 : if( !EQUAL(psSegInfo->szSegmentType,"DE") )
2873 17 : continue;
2874 :
2875 2 : psDES = NITFDESAccess( psFile, iSegment );
2876 2 : if( psDES == NULL )
2877 0 : continue;
2878 :
2879 2 : char* pabyTREData = NULL;
2880 2 : nOffset = 0;
2881 8 : while (NITFDESGetTRE( psDES, nOffset, szTREName, &pabyTREData, &nThisTRESize))
2882 : {
2883 : char* pszEscapedData = CPLEscapeString( pabyTREData, nThisTRESize,
2884 4 : CPLES_BackslashQuotable );
2885 4 : if (pszEscapedData == NULL)
2886 : {
2887 0 : CPLError( CE_Failure, CPLE_OutOfMemory, "Out of memory");
2888 0 : NITFDESFreeTREData(pabyTREData);
2889 0 : NITFDESDeaccess(psDES);
2890 0 : return;
2891 : }
2892 :
2893 : // trim white off tag.
2894 8 : while( strlen(szTREName) > 0 && szTREName[strlen(szTREName)-1] == ' ' )
2895 0 : szTREName[strlen(szTREName)-1] = '\0';
2896 :
2897 4 : CPLXMLNode* psTreNode = NITFCreateXMLTre(psFile, szTREName, pabyTREData,nThisTRESize);
2898 4 : if (psTreNode)
2899 : {
2900 4 : const char* pszDESID = CSLFetchNameValue(psDES->papszMetadata, "NITF_DESID");
2901 : CPLCreateXMLNode(CPLCreateXMLNode(psTreNode, CXT_Attribute, "location"),
2902 4 : CXT_Text, pszDESID ? CPLSPrintf("des %s", pszDESID) : "des");
2903 4 : CPLAddXMLChild(psTresNode, psTreNode);
2904 : }
2905 :
2906 : char szUniqueTag[32];
2907 4 : strcpy(szUniqueTag, szTREName);
2908 4 : int nCountUnique = 2;
2909 8 : while(oSpecialMD.GetMetadataItem( szUniqueTag, "TRE") != NULL)
2910 : {
2911 0 : sprintf(szUniqueTag, "%s_%d", szTREName, nCountUnique);
2912 0 : nCountUnique ++;
2913 : }
2914 4 : oSpecialMD.SetMetadataItem( szUniqueTag, pszEscapedData, "TRE" );
2915 :
2916 4 : CPLFree(pszEscapedData);
2917 :
2918 4 : nOffset += 11 + nThisTRESize;
2919 :
2920 4 : NITFDESFreeTREData(pabyTREData);
2921 : }
2922 :
2923 2 : NITFDESDeaccess(psDES);
2924 : }
2925 :
2926 12 : if (psTresNode->psChild != NULL)
2927 : {
2928 7 : char* pszXML = CPLSerializeXMLTree(psTresNode);
2929 : char* apszMD[2];
2930 7 : apszMD[0] = pszXML;
2931 7 : apszMD[1] = NULL;
2932 7 : oSpecialMD.SetMetadata( apszMD, "xml:TRE" );
2933 7 : CPLFree(pszXML);
2934 : }
2935 12 : CPLDestroyXMLNode(psTresNode);
2936 : }
2937 :
2938 : /************************************************************************/
2939 : /* GetMetadata() */
2940 : /************************************************************************/
2941 :
2942 135 : char **NITFDataset::GetMetadata( const char * pszDomain )
2943 :
2944 : {
2945 135 : if( pszDomain != NULL && EQUAL(pszDomain,"NITF_METADATA") )
2946 : {
2947 : // InitializeNITFMetadata retrieves the NITF file header and all image segment file headers. (NOTE: The returned strings are base64-encoded).
2948 :
2949 1 : InitializeNITFMetadata();
2950 1 : return oSpecialMD.GetMetadata( pszDomain );
2951 : }
2952 :
2953 : #ifdef ESRI_BUILD
2954 : if( pszDomain != NULL && EQUAL(pszDomain,"NITF_DES") )
2955 : {
2956 : // InitializeNITFDESs retrieves all the DES file headers (NOTE: The returned strings are base64-encoded).
2957 :
2958 : InitializeNITFDESs();
2959 : return oSpecialMD.GetMetadata( pszDomain );
2960 : }
2961 :
2962 : if( pszDomain != NULL && EQUAL(pszDomain,"NITF_DES_METADATA") )
2963 : {
2964 : // InitializeNITFDESs retrieves all the DES file headers (NOTE: The returned strings are base64-encoded).
2965 :
2966 : InitializeNITFDESMetadata();
2967 : return oSpecialMD.GetMetadata( pszDomain );
2968 : }
2969 :
2970 : if( pszDomain != NULL && EQUAL(pszDomain,"NITF_FILE_HEADER_TRES") )
2971 : {
2972 : // InitializeNITFTREs retrieves all the TREs that are resides in the NITF file header and all the
2973 : // TREs that are resides in the current image segment.
2974 : // NOTE: the returned strings are backslash-escaped
2975 :
2976 : InitializeNITFTREs();
2977 : return oSpecialMD.GetMetadata( pszDomain );
2978 : }
2979 :
2980 : if( pszDomain != NULL && EQUAL(pszDomain,"NITF_IMAGE_SEGMENT_TRES") )
2981 : {
2982 : // InitializeNITFTREs retrieves all the TREs that are resides in the NITF file header and all the
2983 : // TREs that are resides in the current image segment.
2984 : // NOTE: the returned strings are backslash-escaped
2985 :
2986 : InitializeNITFTREs();
2987 : return oSpecialMD.GetMetadata( pszDomain );
2988 : }
2989 : #endif
2990 :
2991 134 : if( pszDomain != NULL && EQUAL(pszDomain,"CGM") )
2992 : {
2993 10 : InitializeCGMMetadata();
2994 10 : return oSpecialMD.GetMetadata( pszDomain );
2995 : }
2996 :
2997 124 : if( pszDomain != NULL && EQUAL(pszDomain,"TEXT") )
2998 : {
2999 11 : InitializeTextMetadata();
3000 11 : return oSpecialMD.GetMetadata( pszDomain );
3001 : }
3002 :
3003 113 : if( pszDomain != NULL && EQUAL(pszDomain,"TRE") )
3004 : {
3005 10 : InitializeTREMetadata();
3006 10 : return oSpecialMD.GetMetadata( pszDomain );
3007 : }
3008 :
3009 103 : if( pszDomain != NULL && EQUAL(pszDomain,"xml:TRE") )
3010 : {
3011 3 : InitializeTREMetadata();
3012 3 : return oSpecialMD.GetMetadata( pszDomain );
3013 : }
3014 :
3015 100 : return GDALPamDataset::GetMetadata( pszDomain );
3016 : }
3017 :
3018 : /************************************************************************/
3019 : /* GetMetadataItem() */
3020 : /************************************************************************/
3021 :
3022 1834 : const char *NITFDataset::GetMetadataItem(const char * pszName,
3023 : const char * pszDomain )
3024 :
3025 : {
3026 1834 : if( pszDomain != NULL && EQUAL(pszDomain,"NITF_METADATA") )
3027 : {
3028 : // InitializeNITFMetadata retrieves the NITF file header and all image segment file headers. (NOTE: The returned strings are base64-encoded).
3029 :
3030 1 : InitializeNITFMetadata();
3031 1 : return oSpecialMD.GetMetadataItem( pszName, pszDomain );
3032 : }
3033 :
3034 : #ifdef ESRI_BUILD
3035 : if( pszDomain != NULL && EQUAL(pszDomain,"NITF_DES_METADATA") )
3036 : {
3037 : // InitializeNITFDESs retrieves all the DES file headers (NOTE: The returned strings are base64-encoded).
3038 :
3039 : InitializeNITFDESMetadata();
3040 : return oSpecialMD.GetMetadataItem( pszName, pszDomain );
3041 : }
3042 :
3043 : if( pszDomain != NULL && EQUAL(pszDomain,"NITF_FILE_HEADER_TRES") )
3044 : {
3045 : // InitializeNITFTREs retrieves all the TREs that are resides in the NITF file header and all the
3046 : // TREs that are resides in the current image segment.
3047 : // NOTE: the returned strings are backslash-escaped
3048 :
3049 : InitializeNITFTREs();
3050 : return oSpecialMD.GetMetadataItem( pszName, pszDomain );
3051 : }
3052 :
3053 : if( pszDomain != NULL && EQUAL(pszDomain,"NITF_IMAGE_SEGMENT_TRES") )
3054 : {
3055 : // InitializeNITFTREs retrieves all the TREs that are resides in the NITF file header and all the
3056 : // TREs that are resides in the current image segment.
3057 : // NOTE: the returned strings are backslash-escaped
3058 :
3059 : InitializeNITFTREs();
3060 : return oSpecialMD.GetMetadataItem( pszName, pszDomain );
3061 : }
3062 : #endif
3063 :
3064 1833 : if( pszDomain != NULL && EQUAL(pszDomain,"CGM") )
3065 : {
3066 1 : InitializeCGMMetadata();
3067 1 : return oSpecialMD.GetMetadataItem( pszName, pszDomain );
3068 : }
3069 :
3070 1832 : if( pszDomain != NULL && EQUAL(pszDomain,"TEXT") )
3071 : {
3072 1 : InitializeTextMetadata();
3073 1 : return oSpecialMD.GetMetadataItem( pszName, pszDomain );
3074 : }
3075 :
3076 1831 : if( pszDomain != NULL && EQUAL(pszDomain,"TRE") )
3077 : {
3078 2 : InitializeTREMetadata();
3079 2 : return oSpecialMD.GetMetadataItem( pszName, pszDomain );
3080 : }
3081 :
3082 1829 : if( pszDomain != NULL && EQUAL(pszDomain,"OVERVIEWS")
3083 : && osRSetVRT.size() > 0 )
3084 2 : return osRSetVRT;
3085 :
3086 1827 : return GDALPamDataset::GetMetadataItem( pszName, pszDomain );
3087 : }
3088 :
3089 :
3090 : /************************************************************************/
3091 : /* GetGCPCount() */
3092 : /************************************************************************/
3093 :
3094 14 : int NITFDataset::GetGCPCount()
3095 :
3096 : {
3097 14 : return nGCPCount;
3098 : }
3099 :
3100 : /************************************************************************/
3101 : /* GetGCPProjection() */
3102 : /************************************************************************/
3103 :
3104 5 : const char *NITFDataset::GetGCPProjection()
3105 :
3106 : {
3107 5 : if( nGCPCount > 0 && pszGCPProjection != NULL )
3108 2 : return pszGCPProjection;
3109 : else
3110 3 : return "";
3111 : }
3112 :
3113 : /************************************************************************/
3114 : /* GetGCP() */
3115 : /************************************************************************/
3116 :
3117 3 : const GDAL_GCP *NITFDataset::GetGCPs()
3118 :
3119 : {
3120 3 : return pasGCPList;
3121 : }
3122 :
3123 : /************************************************************************/
3124 : /* CheckForRSets() */
3125 : /* */
3126 : /* Check for reduced resolution images in .r<n> files and if */
3127 : /* found return filename for a virtual file wrapping them as an */
3128 : /* overview file. (#3457) */
3129 : /************************************************************************/
3130 :
3131 552 : int NITFDataset::CheckForRSets( const char *pszNITFFilename )
3132 :
3133 : {
3134 552 : bool isR0File = EQUAL(CPLGetExtension(pszNITFFilename),"r0");
3135 :
3136 : /* -------------------------------------------------------------------- */
3137 : /* Check to see if we have RSets. */
3138 : /* -------------------------------------------------------------------- */
3139 552 : std::vector<CPLString> aosRSetFilenames;
3140 : int i;
3141 :
3142 552 : for( i = 1; i <= 5; i++ )
3143 : {
3144 558 : CPLString osTarget;
3145 : VSIStatBufL sStat;
3146 :
3147 558 : if ( isR0File )
3148 : {
3149 9 : osTarget = pszNITFFilename;
3150 9 : osTarget[osTarget.size()-1] = (char) ('0' + i );
3151 : }
3152 : else
3153 549 : osTarget.Printf( "%s.r%d", pszNITFFilename, i );
3154 :
3155 558 : if( VSIStatL( osTarget, &sStat ) != 0 )
3156 : break;
3157 :
3158 6 : aosRSetFilenames.push_back( osTarget );
3159 : }
3160 :
3161 552 : if( aosRSetFilenames.size() == 0 )
3162 549 : return FALSE;
3163 :
3164 : /* -------------------------------------------------------------------- */
3165 : /* We do, so try to create a wrapping VRT file. */
3166 : /* -------------------------------------------------------------------- */
3167 3 : CPLString osFragment;
3168 : int iBand;
3169 :
3170 : osRSetVRT.Printf( "<VRTDataset rasterXSize=\"%d\" rasterYSize=\"%d\">\n",
3171 3 : GetRasterXSize()/2, GetRasterYSize()/2 );
3172 :
3173 12 : for( iBand = 0; iBand < GetRasterCount(); iBand++ )
3174 : {
3175 9 : GDALRasterBand *poBand = GetRasterBand(iBand+1);
3176 :
3177 : osRSetVRT += osFragment.
3178 : Printf( " <VRTRasterBand dataType=\"%s\" band=\"%d\">\n",
3179 : GDALGetDataTypeName( poBand->GetRasterDataType() ),
3180 9 : iBand+1 );
3181 :
3182 27 : for( i = 0; i < (int) aosRSetFilenames.size(); i++ )
3183 : {
3184 18 : char* pszEscaped = CPLEscapeString(aosRSetFilenames[i].c_str(), -1, CPLES_XML);
3185 18 : if( i == 0 )
3186 : osRSetVRT += osFragment.Printf(
3187 : " <SimpleSource><SourceFilename>%s</SourceFilename><SourceBand>%d</SourceBand></SimpleSource>\n",
3188 9 : pszEscaped, iBand+1 );
3189 : else
3190 : osRSetVRT += osFragment.Printf(
3191 : " <Overview><SourceFilename>%s</SourceFilename><SourceBand>%d</SourceBand></Overview>\n",
3192 9 : pszEscaped, iBand+1 );
3193 18 : CPLFree(pszEscaped);
3194 : }
3195 : osRSetVRT += osFragment.
3196 9 : Printf( " </VRTRasterBand>\n" );
3197 : }
3198 :
3199 3 : osRSetVRT += "</VRTDataset>\n";
3200 :
3201 3 : return TRUE;
3202 : }
3203 :
3204 : /************************************************************************/
3205 : /* IBuildOverviews() */
3206 : /************************************************************************/
3207 :
3208 4 : CPLErr NITFDataset::IBuildOverviews( const char *pszResampling,
3209 : int nOverviews, int *panOverviewList,
3210 : int nListBands, int *panBandList,
3211 : GDALProgressFunc pfnProgress,
3212 : void * pProgressData )
3213 :
3214 : {
3215 : /* -------------------------------------------------------------------- */
3216 : /* If we have been using RSets we will need to clear them first. */
3217 : /* -------------------------------------------------------------------- */
3218 4 : if( osRSetVRT.size() > 0 )
3219 : {
3220 1 : oOvManager.CleanOverviews();
3221 1 : osRSetVRT = "";
3222 : }
3223 :
3224 4 : bExposeUnderlyingJPEGDatasetOverviews = FALSE;
3225 :
3226 : /* -------------------------------------------------------------------- */
3227 : /* If we have an underlying JPEG2000 dataset (hopefully via */
3228 : /* JP2KAK) we will try and build zero overviews as a way of */
3229 : /* tricking it into clearing existing overviews-from-jpeg2000. */
3230 : /* -------------------------------------------------------------------- */
3231 5 : if( poJ2KDataset != NULL
3232 1 : && !poJ2KDataset->GetMetadataItem( "OVERVIEW_FILE", "OVERVIEWS" ) )
3233 : poJ2KDataset->IBuildOverviews( pszResampling, 0, NULL,
3234 : nListBands, panBandList,
3235 1 : GDALDummyProgress, NULL );
3236 :
3237 : /* -------------------------------------------------------------------- */
3238 : /* Use the overview manager to build requested overviews. */
3239 : /* -------------------------------------------------------------------- */
3240 : CPLErr eErr = GDALPamDataset::IBuildOverviews( pszResampling,
3241 : nOverviews, panOverviewList,
3242 : nListBands, panBandList,
3243 4 : pfnProgress, pProgressData );
3244 :
3245 : /* -------------------------------------------------------------------- */
3246 : /* If we are working with jpeg or jpeg2000, let the underlying */
3247 : /* dataset know about the overview file. */
3248 : /* -------------------------------------------------------------------- */
3249 4 : GDALDataset *poSubDS = poJ2KDataset;
3250 4 : if( poJPEGDataset )
3251 1 : poSubDS = poJPEGDataset;
3252 :
3253 : const char *pszOverviewFile =
3254 4 : GetMetadataItem( "OVERVIEW_FILE", "OVERVIEWS" );
3255 :
3256 6 : if( poSubDS && pszOverviewFile != NULL && eErr == CE_None
3257 2 : && poSubDS->GetMetadataItem( "OVERVIEW_FILE", "OVERVIEWS") == NULL )
3258 : {
3259 : poSubDS->SetMetadataItem( "OVERVIEW_FILE",
3260 : pszOverviewFile,
3261 2 : "OVERVIEWS" );
3262 : }
3263 :
3264 4 : return eErr;
3265 : }
3266 :
3267 : /************************************************************************/
3268 : /* ScanJPEGQLevel() */
3269 : /* */
3270 : /* Search the NITF APP header in the jpeg data stream to find */
3271 : /* out what predefined Q level tables should be used (or -1 if */
3272 : /* they are inline). */
3273 : /************************************************************************/
3274 :
3275 41 : int NITFDataset::ScanJPEGQLevel( GUIntBig *pnDataStart )
3276 :
3277 : {
3278 : GByte abyHeader[100];
3279 :
3280 41 : if( VSIFSeekL( psFile->fp, *pnDataStart,
3281 : SEEK_SET ) != 0 )
3282 : {
3283 : CPLError( CE_Failure, CPLE_FileIO,
3284 0 : "Seek error to jpeg data stream." );
3285 0 : return 0;
3286 : }
3287 :
3288 41 : if( VSIFReadL( abyHeader, 1, sizeof(abyHeader), psFile->fp )
3289 : < sizeof(abyHeader) )
3290 : {
3291 : CPLError( CE_Failure, CPLE_FileIO,
3292 0 : "Read error to jpeg data stream." );
3293 0 : return 0;
3294 : }
3295 :
3296 : /* -------------------------------------------------------------------- */
3297 : /* Scan ahead for jpeg magic code. In some files (eg. NSIF) */
3298 : /* there seems to be some extra junk before the image data stream. */
3299 : /* -------------------------------------------------------------------- */
3300 41 : GUInt32 nOffset = 0;
3301 205 : while( nOffset < sizeof(abyHeader) - 23
3302 41 : && (abyHeader[nOffset+0] != 0xff
3303 41 : || abyHeader[nOffset+1] != 0xd8
3304 41 : || abyHeader[nOffset+2] != 0xff) )
3305 0 : nOffset++;
3306 :
3307 41 : if( nOffset >= sizeof(abyHeader) - 23 )
3308 0 : return 0;
3309 :
3310 41 : *pnDataStart += nOffset;
3311 :
3312 41 : if( nOffset > 0 )
3313 : CPLDebug( "NITF",
3314 : "JPEG data stream at offset %d from start of data segement, NSIF?",
3315 0 : nOffset );
3316 :
3317 : /* -------------------------------------------------------------------- */
3318 : /* Do we have an NITF app tag? If so, pull out the Q level. */
3319 : /* -------------------------------------------------------------------- */
3320 41 : if( !EQUAL((char *)abyHeader+nOffset+6,"NITF") )
3321 25 : return 0;
3322 :
3323 16 : return abyHeader[22+nOffset];
3324 : }
3325 :
3326 : /************************************************************************/
3327 : /* ScanJPEGBlocks() */
3328 : /************************************************************************/
3329 :
3330 3 : CPLErr NITFDataset::ScanJPEGBlocks()
3331 :
3332 : {
3333 : int iBlock;
3334 : GUIntBig nJPEGStart =
3335 3 : psFile->pasSegmentInfo[psImage->iSegment].nSegmentStart;
3336 :
3337 3 : nQLevel = ScanJPEGQLevel( &nJPEGStart );
3338 :
3339 : /* -------------------------------------------------------------------- */
3340 : /* Allocate offset array */
3341 : /* -------------------------------------------------------------------- */
3342 : panJPEGBlockOffset = (GIntBig *)
3343 : VSICalloc(sizeof(GIntBig),
3344 3 : psImage->nBlocksPerRow*psImage->nBlocksPerColumn);
3345 3 : if (panJPEGBlockOffset == NULL)
3346 : {
3347 0 : CPLError( CE_Failure, CPLE_OutOfMemory, "Out of memory");
3348 0 : return CE_Failure;
3349 : }
3350 3 : panJPEGBlockOffset[0] = nJPEGStart;
3351 :
3352 3 : if ( psImage->nBlocksPerRow * psImage->nBlocksPerColumn == 1)
3353 0 : return CE_None;
3354 :
3355 26 : for( iBlock = psImage->nBlocksPerRow * psImage->nBlocksPerColumn - 1;
3356 : iBlock > 0; iBlock-- )
3357 23 : panJPEGBlockOffset[iBlock] = -1;
3358 :
3359 : /* -------------------------------------------------------------------- */
3360 : /* Scan through the whole image data stream identifying all */
3361 : /* block boundaries. Each block starts with 0xFFD8 (SOI). */
3362 : /* They also end with 0xFFD9, but we don't currently look for */
3363 : /* that. */
3364 : /* -------------------------------------------------------------------- */
3365 3 : int iNextBlock = 1;
3366 3 : GIntBig iSegOffset = 2;
3367 3 : GIntBig iSegSize = psFile->pasSegmentInfo[psImage->iSegment].nSegmentSize
3368 3 : - (nJPEGStart - psFile->pasSegmentInfo[psImage->iSegment].nSegmentStart);
3369 : GByte abyBlock[512];
3370 3 : int ignoreBytes = 0;
3371 :
3372 3587 : while( iSegOffset < iSegSize-1 )
3373 : {
3374 3584 : size_t nReadSize = MIN((size_t)sizeof(abyBlock),(size_t)(iSegSize - iSegOffset));
3375 : size_t i;
3376 :
3377 3584 : if( VSIFSeekL( psFile->fp, panJPEGBlockOffset[0] + iSegOffset,
3378 : SEEK_SET ) != 0 )
3379 : {
3380 : CPLError( CE_Failure, CPLE_FileIO,
3381 0 : "Seek error to jpeg data stream." );
3382 0 : return CE_Failure;
3383 : }
3384 :
3385 3584 : if( VSIFReadL( abyBlock, 1, nReadSize, psFile->fp ) < (size_t)nReadSize)
3386 : {
3387 : CPLError( CE_Failure, CPLE_FileIO,
3388 0 : "Read error to jpeg data stream." );
3389 0 : return CE_Failure;
3390 : }
3391 :
3392 1834360 : for( i = 0; i < nReadSize-1; i++ )
3393 : {
3394 1830779 : if (ignoreBytes == 0)
3395 : {
3396 1830582 : if( abyBlock[i] == 0xff )
3397 : {
3398 : /* start-of-image marker */
3399 9984 : if ( abyBlock[i+1] == 0xd8 )
3400 : {
3401 46 : panJPEGBlockOffset[iNextBlock++]
3402 23 : = panJPEGBlockOffset[0] + iSegOffset + i;
3403 :
3404 23 : if( iNextBlock == psImage->nBlocksPerRow*psImage->nBlocksPerColumn)
3405 : {
3406 3 : return CE_None;
3407 : }
3408 : }
3409 : /* Skip application-specific data to avoid false positive while detecting */
3410 : /* start-of-image markers (#2927). The size of the application data is */
3411 : /* found in the two following bytes */
3412 : /* We need this complex mechanism of ignoreBytes for dealing with */
3413 : /* application data crossing several abyBlock ... */
3414 9961 : else if ( abyBlock[i+1] >= 0xe0 && abyBlock[i+1] < 0xf0 )
3415 : {
3416 7 : ignoreBytes = -2;
3417 : }
3418 : }
3419 : }
3420 197 : else if (ignoreBytes < 0)
3421 : {
3422 14 : if (ignoreBytes == -1)
3423 : {
3424 : /* Size of the application data */
3425 7 : ignoreBytes = abyBlock[i]*256 + abyBlock[i+1];
3426 : }
3427 : else
3428 7 : ignoreBytes++;
3429 : }
3430 : else
3431 : {
3432 183 : ignoreBytes--;
3433 : }
3434 : }
3435 :
3436 3581 : iSegOffset += nReadSize - 1;
3437 : }
3438 :
3439 0 : return CE_None;
3440 : }
3441 :
3442 : /************************************************************************/
3443 : /* ReadJPEGBlock() */
3444 : /************************************************************************/
3445 :
3446 55 : CPLErr NITFDataset::ReadJPEGBlock( int iBlockX, int iBlockY )
3447 :
3448 : {
3449 : CPLErr eErr;
3450 :
3451 : /* -------------------------------------------------------------------- */
3452 : /* If this is our first request, do a scan for block boundaries. */
3453 : /* -------------------------------------------------------------------- */
3454 55 : if( panJPEGBlockOffset == NULL )
3455 : {
3456 5 : if (EQUAL(psImage->szIC,"M3"))
3457 : {
3458 : /* -------------------------------------------------------------------- */
3459 : /* When a data mask subheader is present, we don't need to scan */
3460 : /* the whole file. We just use the psImage->panBlockStart table */
3461 : /* -------------------------------------------------------------------- */
3462 : panJPEGBlockOffset = (GIntBig *)
3463 : VSICalloc(sizeof(GIntBig),
3464 2 : psImage->nBlocksPerRow*psImage->nBlocksPerColumn);
3465 2 : if (panJPEGBlockOffset == NULL)
3466 : {
3467 0 : CPLError( CE_Failure, CPLE_OutOfMemory, "Out of memory");
3468 0 : return CE_Failure;
3469 : }
3470 : int i;
3471 31 : for (i=0;i< psImage->nBlocksPerRow*psImage->nBlocksPerColumn;i++)
3472 : {
3473 29 : panJPEGBlockOffset[i] = psImage->panBlockStart[i];
3474 29 : if (panJPEGBlockOffset[i] != -1 && panJPEGBlockOffset[i] != 0xffffffff)
3475 : {
3476 25 : GUIntBig nOffset = panJPEGBlockOffset[i];
3477 25 : nQLevel = ScanJPEGQLevel(&nOffset);
3478 : /* The beginning of the JPEG stream should be the offset */
3479 : /* from the panBlockStart table */
3480 25 : if (nOffset != (GUIntBig)panJPEGBlockOffset[i])
3481 : {
3482 : CPLError(CE_Failure, CPLE_AppDefined,
3483 0 : "JPEG block doesn't start at expected offset");
3484 0 : return CE_Failure;
3485 : }
3486 : }
3487 : }
3488 : }
3489 : else /* 'C3' case */
3490 : {
3491 : /* -------------------------------------------------------------------- */
3492 : /* Scan through the whole image data stream identifying all */
3493 : /* block boundaries. */
3494 : /* -------------------------------------------------------------------- */
3495 3 : eErr = ScanJPEGBlocks();
3496 3 : if( eErr != CE_None )
3497 0 : return eErr;
3498 : }
3499 : }
3500 :
3501 : /* -------------------------------------------------------------------- */
3502 : /* Allocate image data block (where the uncompressed image will go) */
3503 : /* -------------------------------------------------------------------- */
3504 55 : if( pabyJPEGBlock == NULL )
3505 : {
3506 : /* Allocate enough memory to hold 12bit JPEG data */
3507 : pabyJPEGBlock = (GByte *)
3508 : VSICalloc(psImage->nBands,
3509 5 : psImage->nBlockWidth * psImage->nBlockHeight * 2);
3510 5 : if (pabyJPEGBlock == NULL)
3511 : {
3512 0 : CPLError( CE_Failure, CPLE_OutOfMemory, "Out of memory");
3513 0 : return CE_Failure;
3514 : }
3515 : }
3516 :
3517 :
3518 : /* -------------------------------------------------------------------- */
3519 : /* Read JPEG Chunk. */
3520 : /* -------------------------------------------------------------------- */
3521 55 : CPLString osFilename;
3522 55 : int iBlock = iBlockX + iBlockY * psImage->nBlocksPerRow;
3523 : GDALDataset *poDS;
3524 55 : int anBands[3] = { 1, 2, 3 };
3525 :
3526 55 : if (panJPEGBlockOffset[iBlock] == -1 || panJPEGBlockOffset[iBlock] == 0xffffffff)
3527 : {
3528 4 : memset(pabyJPEGBlock, 0, psImage->nBands*psImage->nBlockWidth*psImage->nBlockHeight*2);
3529 4 : return CE_None;
3530 : }
3531 :
3532 : osFilename.Printf( "JPEG_SUBFILE:Q%d," CPL_FRMT_GIB ",%d,%s",
3533 : nQLevel,
3534 : panJPEGBlockOffset[iBlock], 0,
3535 51 : osNITFFilename.c_str() );
3536 :
3537 51 : poDS = (GDALDataset *) GDALOpen( osFilename, GA_ReadOnly );
3538 51 : if( poDS == NULL )
3539 0 : return CE_Failure;
3540 :
3541 51 : if( poDS->GetRasterXSize() != psImage->nBlockWidth
3542 : || poDS->GetRasterYSize() != psImage->nBlockHeight )
3543 : {
3544 : CPLError( CE_Failure, CPLE_AppDefined,
3545 : "JPEG block %d not same size as NITF blocksize.",
3546 0 : iBlock );
3547 0 : delete poDS;
3548 0 : return CE_Failure;
3549 : }
3550 :
3551 51 : if( poDS->GetRasterCount() < psImage->nBands )
3552 : {
3553 : CPLError( CE_Failure, CPLE_AppDefined,
3554 : "JPEG block %d has not enough bands.",
3555 0 : iBlock );
3556 0 : delete poDS;
3557 0 : return CE_Failure;
3558 : }
3559 :
3560 51 : if( poDS->GetRasterBand(1)->GetRasterDataType() != GetRasterBand(1)->GetRasterDataType())
3561 : {
3562 : CPLError( CE_Failure, CPLE_AppDefined,
3563 : "JPEG block %d data type (%s) not consistant with band data type (%s).",
3564 : iBlock, GDALGetDataTypeName(poDS->GetRasterBand(1)->GetRasterDataType()),
3565 0 : GDALGetDataTypeName(GetRasterBand(1)->GetRasterDataType()) );
3566 0 : delete poDS;
3567 0 : return CE_Failure;
3568 : }
3569 :
3570 : eErr = poDS->RasterIO( GF_Read,
3571 : 0, 0,
3572 : psImage->nBlockWidth, psImage->nBlockHeight,
3573 : pabyJPEGBlock,
3574 : psImage->nBlockWidth, psImage->nBlockHeight,
3575 51 : GetRasterBand(1)->GetRasterDataType(), psImage->nBands, anBands, 0, 0, 0 );
3576 :
3577 51 : delete poDS;
3578 :
3579 51 : return eErr;
3580 : }
3581 :
3582 : /************************************************************************/
3583 : /* GetFileList() */
3584 : /************************************************************************/
3585 :
3586 113 : char **NITFDataset::GetFileList()
3587 :
3588 : {
3589 113 : char **papszFileList = GDALPamDataset::GetFileList();
3590 :
3591 : /* -------------------------------------------------------------------- */
3592 : /* Check for .imd file. */
3593 : /* -------------------------------------------------------------------- */
3594 113 : papszFileList = AddFile( papszFileList, "IMD", "imd" );
3595 :
3596 : /* -------------------------------------------------------------------- */
3597 : /* Check for .rpb file. */
3598 : /* -------------------------------------------------------------------- */
3599 113 : papszFileList = AddFile( papszFileList, "RPB", "rpb" );
3600 :
3601 : /* -------------------------------------------------------------------- */
3602 : /* Check for other files. */
3603 : /* -------------------------------------------------------------------- */
3604 113 : papszFileList = AddFile( papszFileList, "ATT", "att" );
3605 113 : papszFileList = AddFile( papszFileList, "EPH", "eph" );
3606 113 : papszFileList = AddFile( papszFileList, "GEO", "geo" );
3607 113 : papszFileList = AddFile( papszFileList, "XML", "xml" );
3608 :
3609 113 : return papszFileList;
3610 : }
3611 :
3612 : /************************************************************************/
3613 : /* AddFile() */
3614 : /* */
3615 : /* Helper method for GetFileList() */
3616 : /************************************************************************/
3617 678 : char **NITFDataset::AddFile(char **papszFileList, const char* EXTENSION, const char* extension)
3618 : {
3619 : VSIStatBufL sStatBuf;
3620 678 : CPLString osTarget = CPLResetExtension( osNITFFilename, EXTENSION );
3621 678 : if( VSIStatL( osTarget, &sStatBuf ) == 0 )
3622 0 : papszFileList = CSLAddString( papszFileList, osTarget );
3623 : else
3624 : {
3625 678 : osTarget = CPLResetExtension( osNITFFilename, extension );
3626 678 : if( VSIStatL( osTarget, &sStatBuf ) == 0 )
3627 0 : papszFileList = CSLAddString( papszFileList, osTarget );
3628 : }
3629 :
3630 678 : return papszFileList;
3631 : }
3632 :
3633 : /************************************************************************/
3634 : /* GDALToNITFDataType() */
3635 : /************************************************************************/
3636 :
3637 233 : static const char *GDALToNITFDataType( GDALDataType eType )
3638 :
3639 : {
3640 : const char *pszPVType;
3641 :
3642 233 : switch( eType )
3643 : {
3644 : case GDT_Byte:
3645 : case GDT_UInt16:
3646 : case GDT_UInt32:
3647 198 : pszPVType = "INT";
3648 198 : break;
3649 :
3650 : case GDT_Int16:
3651 : case GDT_Int32:
3652 12 : pszPVType = "SI";
3653 12 : break;
3654 :
3655 : case GDT_Float32:
3656 : case GDT_Float64:
3657 10 : pszPVType = "R";
3658 10 : break;
3659 :
3660 : case GDT_CInt16:
3661 : case GDT_CInt32:
3662 : CPLError( CE_Failure, CPLE_AppDefined,
3663 6 : "NITF format does not support complex integer data." );
3664 6 : return NULL;
3665 :
3666 : case GDT_CFloat32:
3667 4 : pszPVType = "C";
3668 4 : break;
3669 :
3670 : default:
3671 : CPLError( CE_Failure, CPLE_AppDefined,
3672 : "Unsupported raster pixel type (%s).",
3673 3 : GDALGetDataTypeName(eType) );
3674 3 : return NULL;
3675 : }
3676 :
3677 224 : return pszPVType;
3678 : }
3679 :
3680 : /************************************************************************/
3681 : /* NITFJP2Options() */
3682 : /* */
3683 : /* Prepare JP2-in-NITF creation options based in part of the */
3684 : /* NITF creation options. */
3685 : /************************************************************************/
3686 :
3687 3 : static char **NITFJP2Options( char **papszOptions )
3688 :
3689 : {
3690 : int i;
3691 3 : char** papszJP2Options = NULL;
3692 :
3693 3 : papszJP2Options = CSLAddString(papszJP2Options, "PROFILE=NPJE");
3694 3 : papszJP2Options = CSLAddString(papszJP2Options, "CODESTREAM_ONLY=TRUE");
3695 :
3696 10 : for( i = 0; papszOptions != NULL && papszOptions[i] != NULL; i++ )
3697 : {
3698 7 : if( EQUALN(papszOptions[i],"PROFILE=",8) )
3699 : {
3700 0 : CPLFree(papszJP2Options[0]);
3701 0 : papszJP2Options[0] = CPLStrdup(papszOptions[i]);
3702 : }
3703 7 : else if( EQUALN(papszOptions[i],"TARGET=",7) )
3704 3 : papszJP2Options = CSLAddString(papszJP2Options, papszOptions[i]);
3705 : }
3706 :
3707 3 : return papszJP2Options;
3708 : }
3709 :
3710 :
3711 :
3712 : /************************************************************************/
3713 : /* NITFExtractTEXTAndCGMCreationOption() */
3714 : /************************************************************************/
3715 :
3716 227 : static char** NITFExtractTEXTAndCGMCreationOption( GDALDataset* poSrcDS,
3717 : char **papszOptions,
3718 : char ***ppapszTextMD,
3719 : char ***ppapszCgmMD )
3720 : {
3721 227 : char** papszFullOptions = CSLDuplicate(papszOptions);
3722 :
3723 : /* -------------------------------------------------------------------- */
3724 : /* Prepare for text segments. */
3725 : /* -------------------------------------------------------------------- */
3726 227 : int iOpt, nNUMT = 0;
3727 227 : char **papszTextMD = CSLFetchNameValueMultiple (papszOptions, "TEXT");
3728 : // Notice: CSLFetchNameValueMultiple remove the leading "TEXT=" when
3729 : // returning the list, which is what we want.
3730 :
3731 : // Use TEXT information from original image if no creation option is passed in.
3732 227 : if (poSrcDS != NULL && papszTextMD == NULL)
3733 : {
3734 : // Read CGM adata from original image, duplicate the list becuase
3735 : // we frees papszCgmMD at end of the function.
3736 58 : papszTextMD = CSLDuplicate( poSrcDS->GetMetadata( "TEXT" ));
3737 : }
3738 :
3739 247 : for( iOpt = 0;
3740 12 : papszTextMD != NULL && papszTextMD[iOpt] != NULL;
3741 : iOpt++ )
3742 : {
3743 8 : if( !EQUALN(papszTextMD[iOpt],"DATA_",5) )
3744 3 : continue;
3745 :
3746 5 : nNUMT++;
3747 : }
3748 :
3749 227 : if( nNUMT > 0 )
3750 : {
3751 : papszFullOptions = CSLAddString( papszFullOptions,
3752 : CPLString().Printf( "NUMT=%d",
3753 4 : nNUMT ) );
3754 : }
3755 :
3756 : /* -------------------------------------------------------------------- */
3757 : /* Prepare for CGM segments. */
3758 : /* -------------------------------------------------------------------- */
3759 : const char *pszNUMS; // graphic segment option string
3760 227 : int nNUMS = 0;
3761 :
3762 227 : char **papszCgmMD = CSLFetchNameValueMultiple (papszOptions, "CGM");
3763 : // Notice: CSLFetchNameValueMultiple remove the leading "CGM=" when
3764 : // returning the list, which is what we want.
3765 :
3766 : // Use CGM information from original image if no creation option is passed in.
3767 227 : if (poSrcDS != NULL && papszCgmMD == NULL)
3768 : {
3769 : // Read CGM adata from original image, duplicate the list becuase
3770 : // we frees papszCgmMD at end of the function.
3771 58 : papszCgmMD = CSLDuplicate( poSrcDS->GetMetadata( "CGM" ));
3772 : }
3773 :
3774 : // Set NUMS based on the number of segments
3775 227 : if (papszCgmMD != NULL)
3776 : {
3777 8 : pszNUMS = CSLFetchNameValue(papszCgmMD, "SEGMENT_COUNT");
3778 :
3779 8 : if (pszNUMS != NULL) {
3780 8 : nNUMS = atoi(pszNUMS);
3781 : }
3782 : papszFullOptions = CSLAddString(papszFullOptions,
3783 8 : CPLString().Printf("NUMS=%d", nNUMS));
3784 : }
3785 :
3786 227 : *ppapszTextMD = papszTextMD;
3787 227 : *ppapszCgmMD = papszCgmMD;
3788 :
3789 227 : return papszFullOptions;
3790 : }
3791 :
3792 : /************************************************************************/
3793 : /* NITFDatasetCreate() */
3794 : /************************************************************************/
3795 :
3796 : GDALDataset *
3797 174 : NITFDataset::NITFDatasetCreate( const char *pszFilename, int nXSize, int nYSize, int nBands,
3798 : GDALDataType eType, char **papszOptions )
3799 :
3800 : {
3801 174 : const char *pszPVType = GDALToNITFDataType( eType );
3802 174 : const char *pszIC = CSLFetchNameValue( papszOptions, "IC" );
3803 :
3804 174 : if( pszPVType == NULL )
3805 6 : return NULL;
3806 :
3807 : /* -------------------------------------------------------------------- */
3808 : /* We disallow any IC value except NC when creating this way. */
3809 : /* -------------------------------------------------------------------- */
3810 168 : GDALDriver *poJ2KDriver = NULL;
3811 :
3812 169 : if( pszIC != NULL && EQUAL(pszIC,"C8") )
3813 : {
3814 1 : int bHasCreate = FALSE;
3815 :
3816 1 : poJ2KDriver = GetGDALDriverManager()->GetDriverByName( "JP2ECW" );
3817 1 : if( poJ2KDriver != NULL )
3818 : bHasCreate = poJ2KDriver->GetMetadataItem( GDAL_DCAP_CREATE,
3819 1 : NULL ) != NULL;
3820 1 : if( !bHasCreate )
3821 : {
3822 : CPLError( CE_Failure, CPLE_AppDefined,
3823 : "Unable to create JPEG2000 encoded NITF files. The\n"
3824 0 : "JP2ECW driver is unavailable, or missing Create support." );
3825 0 : return NULL;
3826 : }
3827 : }
3828 :
3829 167 : else if( pszIC != NULL && !EQUAL(pszIC,"NC") )
3830 : {
3831 : CPLError( CE_Failure, CPLE_AppDefined,
3832 : "Unsupported compression (IC=%s) used in direct\n"
3833 : "NITF File creation",
3834 0 : pszIC );
3835 0 : return NULL;
3836 : }
3837 :
3838 168 : const char* pszSDE_TRE = CSLFetchNameValue(papszOptions, "SDE_TRE");
3839 168 : if (pszSDE_TRE != NULL)
3840 : {
3841 : CPLError( CE_Warning, CPLE_AppDefined,
3842 0 : "SDE_TRE creation option ignored by Create() method (only valid in CreateCopy())" );
3843 : }
3844 :
3845 :
3846 : /* -------------------------------------------------------------------- */
3847 : /* Prepare for text and CGM segments. */
3848 : /* -------------------------------------------------------------------- */
3849 168 : char **papszTextMD = NULL;
3850 168 : char **papszCgmMD = NULL;
3851 : char **papszFullOptions = NITFExtractTEXTAndCGMCreationOption( NULL,
3852 : papszOptions,
3853 : &papszTextMD,
3854 168 : &papszCgmMD );
3855 :
3856 : /* -------------------------------------------------------------------- */
3857 : /* Create the file. */
3858 : /* -------------------------------------------------------------------- */
3859 :
3860 168 : if( !NITFCreate( pszFilename, nXSize, nYSize, nBands,
3861 : GDALGetDataTypeSize( eType ), pszPVType,
3862 : papszFullOptions ) )
3863 : {
3864 9 : CSLDestroy(papszTextMD);
3865 9 : CSLDestroy(papszCgmMD);
3866 9 : CSLDestroy(papszFullOptions);
3867 9 : return NULL;
3868 : }
3869 :
3870 159 : CSLDestroy(papszFullOptions);
3871 159 : papszFullOptions = NULL;
3872 :
3873 : /* -------------------------------------------------------------------- */
3874 : /* Various special hacks related to JPEG2000 encoded files. */
3875 : /* -------------------------------------------------------------------- */
3876 159 : GDALDataset* poWritableJ2KDataset = NULL;
3877 159 : if( poJ2KDriver )
3878 : {
3879 1 : NITFFile *psFile = NITFOpen( pszFilename, TRUE );
3880 1 : if (psFile == NULL)
3881 : {
3882 0 : CSLDestroy(papszTextMD);
3883 0 : CSLDestroy(papszCgmMD);
3884 0 : return NULL;
3885 : }
3886 1 : GUIntBig nImageOffset = psFile->pasSegmentInfo[0].nSegmentStart;
3887 :
3888 1 : CPLString osDSName;
3889 :
3890 1 : osDSName.Printf("/vsisubfile/" CPL_FRMT_GUIB "_%d,%s", nImageOffset, -1, pszFilename);
3891 :
3892 1 : NITFClose( psFile );
3893 :
3894 1 : char** papszJP2Options = NITFJP2Options(papszOptions);
3895 : poWritableJ2KDataset =
3896 : poJ2KDriver->Create( osDSName, nXSize, nYSize, nBands, eType,
3897 1 : papszJP2Options );
3898 1 : CSLDestroy(papszJP2Options);
3899 :
3900 1 : if( poWritableJ2KDataset == NULL )
3901 : {
3902 0 : CSLDestroy(papszTextMD);
3903 0 : CSLDestroy(papszCgmMD);
3904 0 : return NULL;
3905 0 : }
3906 : }
3907 :
3908 : /* -------------------------------------------------------------------- */
3909 : /* Open the dataset in update mode. */
3910 : /* -------------------------------------------------------------------- */
3911 159 : GDALOpenInfo oOpenInfo( pszFilename, GA_Update );
3912 : NITFDataset* poDS = (NITFDataset*)
3913 159 : NITFDataset::OpenInternal(&oOpenInfo, poWritableJ2KDataset, TRUE);
3914 159 : if (poDS)
3915 : {
3916 159 : poDS->papszTextMDToWrite = papszTextMD;
3917 159 : poDS->papszCgmMDToWrite = papszCgmMD;
3918 : }
3919 : else
3920 : {
3921 0 : CSLDestroy(papszTextMD);
3922 0 : CSLDestroy(papszCgmMD);
3923 : }
3924 159 : return poDS;
3925 : }
3926 :
3927 : /************************************************************************/
3928 : /* NITFCreateCopy() */
3929 : /************************************************************************/
3930 :
3931 : GDALDataset *
3932 60 : NITFDataset::NITFCreateCopy(
3933 : const char *pszFilename, GDALDataset *poSrcDS,
3934 : int bStrict, char **papszOptions,
3935 : GDALProgressFunc pfnProgress, void * pProgressData )
3936 :
3937 : {
3938 : GDALDataType eType;
3939 : GDALRasterBand *poBand1;
3940 60 : int bJPEG2000 = FALSE;
3941 60 : int bJPEG = FALSE;
3942 60 : NITFDataset *poDstDS = NULL;
3943 60 : GDALDriver *poJ2KDriver = NULL;
3944 :
3945 60 : int nBands = poSrcDS->GetRasterCount();
3946 60 : if( nBands == 0 )
3947 : {
3948 : CPLError( CE_Failure, CPLE_NotSupported,
3949 1 : "Unable to export files with zero bands." );
3950 1 : return NULL;
3951 : }
3952 :
3953 59 : poBand1 = poSrcDS->GetRasterBand(1);
3954 59 : if( poBand1 == NULL )
3955 : {
3956 0 : return NULL;
3957 : }
3958 :
3959 : /* -------------------------------------------------------------------- */
3960 : /* Only allow supported compression values. */
3961 : /* -------------------------------------------------------------------- */
3962 59 : const char* pszIC = CSLFetchNameValue( papszOptions, "IC" );
3963 59 : if( pszIC != NULL )
3964 : {
3965 8 : if( EQUAL(pszIC,"NC") )
3966 : /* ok */;
3967 8 : else if( EQUAL(pszIC,"C8") )
3968 : {
3969 : poJ2KDriver =
3970 3 : GetGDALDriverManager()->GetDriverByName( "JP2ECW" );
3971 5 : if( poJ2KDriver == NULL ||
3972 2 : poJ2KDriver->GetMetadataItem( GDAL_DCAP_CREATECOPY, NULL ) == NULL )
3973 : {
3974 : /* Try with Jasper as an alternate driver */
3975 : poJ2KDriver =
3976 1 : GetGDALDriverManager()->GetDriverByName( "JPEG2000" );
3977 : }
3978 3 : if( poJ2KDriver == NULL )
3979 : {
3980 : /* Try with JP2KAK as an alternate driver */
3981 : poJ2KDriver =
3982 0 : GetGDALDriverManager()->GetDriverByName( "JP2KAK" );
3983 : }
3984 3 : if( poJ2KDriver == NULL )
3985 : {
3986 : CPLError(
3987 : CE_Failure, CPLE_AppDefined,
3988 : "Unable to write JPEG2000 compressed NITF file.\n"
3989 : "No 'subfile' JPEG2000 write supporting drivers are\n"
3990 0 : "configured." );
3991 0 : return NULL;
3992 : }
3993 3 : bJPEG2000 = TRUE;
3994 : }
3995 10 : else if( EQUAL(pszIC,"C3") || EQUAL(pszIC,"M3") )
3996 : {
3997 5 : bJPEG = TRUE;
3998 : #ifndef JPEG_SUPPORTED
3999 : CPLError(
4000 : CE_Failure, CPLE_AppDefined,
4001 : "Unable to write JPEG compressed NITF file.\n"
4002 : "Libjpeg is not configured into build." );
4003 : return NULL;
4004 : #endif
4005 : }
4006 : else
4007 : {
4008 : CPLError( CE_Failure, CPLE_AppDefined,
4009 : "Only IC=NC (uncompressed), IC=C3/M3 (JPEG) and IC=C8 (JPEG2000)\n"
4010 0 : "allowed with NITF CreateCopy method." );
4011 0 : return NULL;
4012 : }
4013 : }
4014 :
4015 : /* -------------------------------------------------------------------- */
4016 : /* Get the data type. Complex integers isn't supported by */
4017 : /* NITF, so map that to complex float if we aren't in strict */
4018 : /* mode. */
4019 : /* -------------------------------------------------------------------- */
4020 59 : eType = poBand1->GetRasterDataType();
4021 59 : if( !bStrict && (eType == GDT_CInt16 || eType == GDT_CInt32) )
4022 0 : eType = GDT_CFloat32;
4023 :
4024 : /* -------------------------------------------------------------------- */
4025 : /* Prepare for text and CGM segments. */
4026 : /* -------------------------------------------------------------------- */
4027 59 : char **papszTextMD = NULL;
4028 59 : char **papszCgmMD = NULL;
4029 : char **papszFullOptions = NITFExtractTEXTAndCGMCreationOption( poSrcDS,
4030 : papszOptions,
4031 : &papszTextMD,
4032 59 : &papszCgmMD );
4033 :
4034 : /* -------------------------------------------------------------------- */
4035 : /* Copy over other source metadata items as creation options */
4036 : /* that seem useful. */
4037 : /* -------------------------------------------------------------------- */
4038 59 : char **papszSrcMD = poSrcDS->GetMetadata();
4039 : int iMD;
4040 :
4041 442 : for( iMD = 0; papszSrcMD && papszSrcMD[iMD]; iMD++ )
4042 : {
4043 756 : if( EQUALN(papszSrcMD[iMD],"NITF_BLOCKA",11)
4044 373 : || EQUALN(papszSrcMD[iMD],"NITF_FHDR",9) )
4045 : {
4046 15 : char *pszName = NULL;
4047 15 : const char *pszValue = CPLParseNameValue( papszSrcMD[iMD],
4048 30 : &pszName );
4049 15 : if( pszName != NULL &&
4050 : CSLFetchNameValue( papszFullOptions, pszName+5 ) == NULL )
4051 : papszFullOptions =
4052 14 : CSLSetNameValue( papszFullOptions, pszName+5, pszValue );
4053 15 : CPLFree(pszName);
4054 : }
4055 : }
4056 :
4057 : /* -------------------------------------------------------------------- */
4058 : /* Copy TRE definitions as creation options. */
4059 : /* -------------------------------------------------------------------- */
4060 59 : papszSrcMD = poSrcDS->GetMetadata( "TRE" );
4061 :
4062 59 : for( iMD = 0; papszSrcMD && papszSrcMD[iMD]; iMD++ )
4063 : {
4064 1 : CPLString osTRE;
4065 :
4066 3 : if (EQUALN(papszSrcMD[iMD], "RPFHDR", 6) ||
4067 1 : EQUALN(papszSrcMD[iMD], "RPFIMG", 6) ||
4068 1 : EQUALN(papszSrcMD[iMD], "RPFDES", 6))
4069 : {
4070 : /* Do not copy RPF TRE. They contain absolute offsets */
4071 : /* No chance that they make sense in the new NITF file */
4072 0 : continue;
4073 : }
4074 :
4075 1 : osTRE = "TRE=";
4076 1 : osTRE += papszSrcMD[iMD];
4077 :
4078 1 : papszFullOptions = CSLAddString( papszFullOptions, osTRE );
4079 : }
4080 :
4081 : /* -------------------------------------------------------------------- */
4082 : /* Set if we can set IREP. */
4083 : /* -------------------------------------------------------------------- */
4084 59 : if( CSLFetchNameValue(papszFullOptions,"IREP") == NULL )
4085 : {
4086 89 : if ( ((poSrcDS->GetRasterCount() == 3 && bJPEG) ||
4087 : (poSrcDS->GetRasterCount() >= 3 && !bJPEG)) && eType == GDT_Byte &&
4088 12 : poSrcDS->GetRasterBand(1)->GetColorInterpretation() == GCI_RedBand &&
4089 9 : poSrcDS->GetRasterBand(2)->GetColorInterpretation() == GCI_GreenBand &&
4090 9 : poSrcDS->GetRasterBand(3)->GetColorInterpretation() == GCI_BlueBand)
4091 : {
4092 9 : if( bJPEG )
4093 : papszFullOptions =
4094 3 : CSLSetNameValue( papszFullOptions, "IREP", "YCbCr601" );
4095 : else
4096 : papszFullOptions =
4097 6 : CSLSetNameValue( papszFullOptions, "IREP", "RGB" );
4098 : }
4099 69 : else if( poSrcDS->GetRasterCount() == 1 && eType == GDT_Byte
4100 19 : && poBand1->GetColorTable() != NULL )
4101 : {
4102 : papszFullOptions =
4103 1 : CSLSetNameValue( papszFullOptions, "IREP", "RGB/LUT" );
4104 : papszFullOptions =
4105 : CSLSetNameValue( papszFullOptions, "LUT_SIZE",
4106 : CPLString().Printf(
4107 1 : "%d", poBand1->GetColorTable()->GetColorEntryCount()) );
4108 : }
4109 49 : else if( GDALDataTypeIsComplex(eType) )
4110 : papszFullOptions =
4111 5 : CSLSetNameValue( papszFullOptions, "IREP", "NODISPLY" );
4112 :
4113 : else
4114 : papszFullOptions =
4115 44 : CSLSetNameValue( papszFullOptions, "IREP", "MONO" );
4116 : }
4117 :
4118 : /* -------------------------------------------------------------------- */
4119 : /* Do we have lat/long georeferencing information? */
4120 : /* -------------------------------------------------------------------- */
4121 : double adfGeoTransform[6];
4122 59 : int bWriteGeoTransform = FALSE;
4123 59 : int bWriteGCPs = FALSE;
4124 59 : int bNorth, nZone = 0;
4125 59 : OGRSpatialReference oSRS, oSRS_WGS84;
4126 59 : char *pszWKT = (char *) poSrcDS->GetProjectionRef();
4127 59 : if( pszWKT == NULL || pszWKT[0] == '\0' )
4128 7 : pszWKT = (char *) poSrcDS->GetGCPProjection();
4129 :
4130 59 : if( pszWKT != NULL && pszWKT[0] != '\0' )
4131 : {
4132 53 : oSRS.importFromWkt( &pszWKT );
4133 :
4134 : /* NITF is only WGS84 */
4135 53 : oSRS_WGS84.SetWellKnownGeogCS( "WGS84" );
4136 53 : if ( oSRS.IsSameGeogCS(&oSRS_WGS84) == FALSE)
4137 : {
4138 : CPLError((bStrict) ? CE_Failure : CE_Warning, CPLE_NotSupported,
4139 12 : "NITF only supports WGS84 geographic and UTM projections.\n");
4140 12 : if (bStrict)
4141 : {
4142 0 : CSLDestroy(papszFullOptions);
4143 0 : CSLDestroy(papszCgmMD);
4144 0 : CSLDestroy(papszTextMD);
4145 0 : return NULL;
4146 : }
4147 : }
4148 :
4149 53 : const char* pszICORDS = CSLFetchNameValue(papszFullOptions, "ICORDS");
4150 :
4151 : /* -------------------------------------------------------------------- */
4152 : /* Should we write DIGEST Spatial Data Extension TRE ? */
4153 : /* -------------------------------------------------------------------- */
4154 53 : const char* pszSDE_TRE = CSLFetchNameValue(papszFullOptions, "SDE_TRE");
4155 53 : int bSDE_TRE = pszSDE_TRE && CSLTestBoolean(pszSDE_TRE);
4156 53 : if (bSDE_TRE)
4157 : {
4158 5 : if( oSRS.IsGeographic() && oSRS.GetPrimeMeridian() == 0.0
4159 1 : && poSrcDS->GetGeoTransform( adfGeoTransform ) == CE_None &&
4160 2 : adfGeoTransform[2] == 0.0 && adfGeoTransform[4] == 0.0 &&
4161 1 : adfGeoTransform[5] < 0.0)
4162 : {
4163 : /* Override ICORDS to G if necessary */
4164 1 : if (pszICORDS != NULL && EQUAL(pszICORDS, "D"))
4165 : {
4166 : papszFullOptions =
4167 0 : CSLSetNameValue( papszFullOptions, "ICORDS", "G" );
4168 : CPLError(CE_Warning, CPLE_AppDefined,
4169 0 : "Forcing ICORDS=G when writing GEOLOB");
4170 : }
4171 : else
4172 : {
4173 : /* Code a bit below will complain with other ICORDS value */
4174 : }
4175 :
4176 1 : if (CSLPartialFindString(papszFullOptions, "TRE=GEOLOB=") != - 1)
4177 : {
4178 : CPLDebug("NITF", "GEOLOB TRE was explicitely defined before. "
4179 0 : "Overriding it with current georefencing info.");
4180 : }
4181 :
4182 : /* Structure of SDE TRE documented here */
4183 : /*http://www.gwg.nga.mil/ntb/baseline/docs/digest/part2_annex_d.pdf */
4184 :
4185 : /* -------------------------------------------------------------------- */
4186 : /* Write GEOLOB TRE */
4187 : /* -------------------------------------------------------------------- */
4188 : char szGEOLOB[48+1];
4189 1 : char* pszGEOLOB = szGEOLOB;
4190 1 : double dfARV = 360.0 / adfGeoTransform[1];
4191 1 : double dfBRV = 360.0 / -adfGeoTransform[5];
4192 1 : double dfLSO = adfGeoTransform[0];
4193 1 : double dfPSO = adfGeoTransform[3];
4194 1 : sprintf(pszGEOLOB, "%09d", (int)(dfARV + 0.5)); pszGEOLOB += 9;
4195 1 : sprintf(pszGEOLOB, "%09d", (int)(dfBRV + 0.5)); pszGEOLOB += 9;
4196 1 : sprintf(pszGEOLOB, "%#+015.10f", dfLSO); pszGEOLOB += 15;
4197 1 : sprintf(pszGEOLOB, "%#+015.10f", dfPSO); pszGEOLOB += 15;
4198 1 : CPLAssert(pszGEOLOB == szGEOLOB + 48);
4199 :
4200 1 : CPLString osGEOLOB("TRE=GEOLOB=");
4201 1 : osGEOLOB += szGEOLOB;
4202 1 : papszFullOptions = CSLAddString( papszFullOptions, osGEOLOB ) ;
4203 :
4204 : /* -------------------------------------------------------------------- */
4205 : /* Write GEOPSB TRE if not already explicitely provided */
4206 : /* -------------------------------------------------------------------- */
4207 1 : if (CSLPartialFindString(papszFullOptions, "FILE_TRE=GEOPSB=") == -1 &&
4208 : CSLPartialFindString(papszFullOptions, "TRE=GEOPSB=") == -1)
4209 : {
4210 : char szGEOPSB[443+1];
4211 1 : memset(szGEOPSB, ' ', 443);
4212 1 : szGEOPSB[443] = 0;
4213 : #define WRITE_STR_NOSZ(dst, src) memcpy(dst, src, strlen(src))
4214 1 : char* pszGEOPSB = szGEOPSB;
4215 1 : WRITE_STR_NOSZ(pszGEOPSB, "GEO"); pszGEOPSB += 3;
4216 1 : WRITE_STR_NOSZ(pszGEOPSB, "DEG"); pszGEOPSB += 3;
4217 1 : WRITE_STR_NOSZ(pszGEOPSB, "World Geodetic System 1984"); pszGEOPSB += 80;
4218 1 : WRITE_STR_NOSZ(pszGEOPSB, "WGE"); pszGEOPSB += 4;
4219 1 : WRITE_STR_NOSZ(pszGEOPSB, "World Geodetic System 1984"); pszGEOPSB += 80;
4220 1 : WRITE_STR_NOSZ(pszGEOPSB, "WE"); pszGEOPSB += 3;
4221 1 : WRITE_STR_NOSZ(pszGEOPSB, "Geodetic"); pszGEOPSB += 80; /* DVR */
4222 1 : WRITE_STR_NOSZ(pszGEOPSB, "GEOD"); pszGEOPSB += 4; /* VDCDVR */
4223 1 : WRITE_STR_NOSZ(pszGEOPSB, "Mean Sea"); pszGEOPSB += 80; /* SDA */
4224 1 : WRITE_STR_NOSZ(pszGEOPSB, "MSL"); pszGEOPSB += 4; /* VDCSDA */
4225 1 : WRITE_STR_NOSZ(pszGEOPSB, "000000000000000"); pszGEOPSB += 15; /* ZOR */
4226 1 : pszGEOPSB += 3; /* GRD */
4227 1 : pszGEOPSB += 80; /* GRN */
4228 1 : WRITE_STR_NOSZ(pszGEOPSB, "0000"); pszGEOPSB += 4; /* ZNA */
4229 1 : CPLAssert(pszGEOPSB == szGEOPSB + 443);
4230 :
4231 1 : CPLString osGEOPSB("FILE_TRE=GEOPSB=");
4232 1 : osGEOPSB += szGEOPSB;
4233 1 : papszFullOptions = CSLAddString( papszFullOptions, osGEOPSB ) ;
4234 : }
4235 : else
4236 : {
4237 0 : CPLDebug("NITF", "GEOPSB TRE was explicitely defined before. Keeping it.");
4238 1 : }
4239 :
4240 : }
4241 : else
4242 : {
4243 : CPLError((bStrict) ? CE_Failure : CE_Warning, CPLE_NotSupported,
4244 0 : "Georeferencing info isn't compatible with writing a GEOLOB TRE (only geographic SRS handled for now)");
4245 0 : if (bStrict)
4246 : {
4247 0 : CSLDestroy(papszFullOptions);
4248 0 : return NULL;
4249 : }
4250 : }
4251 : }
4252 :
4253 53 : bWriteGeoTransform = ( poSrcDS->GetGeoTransform( adfGeoTransform ) == CE_None );
4254 53 : bWriteGCPs = ( !bWriteGeoTransform && poSrcDS->GetGCPCount() == 4 );
4255 :
4256 53 : if( oSRS.IsGeographic() && oSRS.GetPrimeMeridian() == 0.0 )
4257 : {
4258 41 : if (pszICORDS == NULL)
4259 : {
4260 : papszFullOptions =
4261 39 : CSLSetNameValue( papszFullOptions, "ICORDS", "G" );
4262 : }
4263 2 : else if (EQUAL(pszICORDS, "G") || EQUAL(pszICORDS, "D"))
4264 : {
4265 : /* Do nothing */
4266 : }
4267 : else
4268 : {
4269 : CPLError((bStrict) ? CE_Failure : CE_Warning, CPLE_NotSupported,
4270 : "Inconsistant ICORDS value with SRS : %s%s.\n", pszICORDS,
4271 0 : (!bStrict) ? ". Setting it to G instead" : "");
4272 0 : if (bStrict)
4273 : {
4274 0 : CSLDestroy(papszFullOptions);
4275 0 : return NULL;
4276 : }
4277 : papszFullOptions =
4278 0 : CSLSetNameValue( papszFullOptions, "ICORDS", "G" );
4279 : }
4280 : }
4281 :
4282 12 : else if( oSRS.GetUTMZone( &bNorth ) > 0 )
4283 : {
4284 12 : if( bNorth )
4285 : papszFullOptions =
4286 12 : CSLSetNameValue( papszFullOptions, "ICORDS", "N" );
4287 : else
4288 : papszFullOptions =
4289 0 : CSLSetNameValue( papszFullOptions, "ICORDS", "S" );
4290 :
4291 12 : nZone = oSRS.GetUTMZone( NULL );
4292 : }
4293 : else
4294 : {
4295 : CPLError((bStrict) ? CE_Failure : CE_Warning, CPLE_NotSupported,
4296 0 : "NITF only supports WGS84 geographic and UTM projections.\n");
4297 0 : if (bStrict)
4298 : {
4299 0 : CSLDestroy(papszFullOptions);
4300 0 : CSLDestroy(papszCgmMD);
4301 0 : CSLDestroy(papszTextMD);
4302 0 : return NULL;
4303 : }
4304 : }
4305 : }
4306 :
4307 : /* -------------------------------------------------------------------- */
4308 : /* Create the output file. */
4309 : /* -------------------------------------------------------------------- */
4310 59 : int nXSize = poSrcDS->GetRasterXSize();
4311 59 : int nYSize = poSrcDS->GetRasterYSize();
4312 59 : const char *pszPVType = GDALToNITFDataType( eType );
4313 :
4314 59 : if( pszPVType == NULL )
4315 : {
4316 3 : CSLDestroy(papszFullOptions);
4317 3 : CSLDestroy(papszCgmMD);
4318 3 : CSLDestroy(papszTextMD);
4319 3 : return NULL;
4320 : }
4321 :
4322 56 : if (!NITFCreate( pszFilename, nXSize, nYSize, poSrcDS->GetRasterCount(),
4323 : GDALGetDataTypeSize( eType ), pszPVType,
4324 : papszFullOptions ))
4325 : {
4326 15 : CSLDestroy( papszFullOptions );
4327 15 : CSLDestroy(papszCgmMD);
4328 15 : CSLDestroy(papszTextMD);
4329 15 : return NULL;
4330 : }
4331 :
4332 41 : CSLDestroy( papszFullOptions );
4333 41 : papszFullOptions = NULL;
4334 :
4335 : /* ==================================================================== */
4336 : /* JPEG2000 case. We need to write the data through a J2K */
4337 : /* driver in pixel interleaved form. */
4338 : /* ==================================================================== */
4339 41 : if( bJPEG2000 )
4340 : {
4341 3 : NITFFile *psFile = NITFOpen( pszFilename, TRUE );
4342 3 : if (psFile == NULL)
4343 : {
4344 0 : CSLDestroy(papszCgmMD);
4345 0 : CSLDestroy(papszTextMD);
4346 0 : return NULL;
4347 : }
4348 :
4349 3 : GDALDataset *poJ2KDataset = NULL;
4350 3 : GUIntBig nImageOffset = psFile->pasSegmentInfo[0].nSegmentStart;
4351 3 : CPLString osDSName;
4352 :
4353 3 : NITFClose( psFile );
4354 :
4355 : osDSName.Printf( "/vsisubfile/" CPL_FRMT_GUIB "_%d,%s",
4356 : nImageOffset, -1,
4357 3 : pszFilename );
4358 :
4359 3 : if (EQUAL(poJ2KDriver->GetDescription(), "JP2ECW"))
4360 : {
4361 2 : char** papszJP2Options = NITFJP2Options(papszOptions);
4362 : poJ2KDataset =
4363 : poJ2KDriver->CreateCopy( osDSName, poSrcDS, FALSE,
4364 : papszJP2Options,
4365 2 : pfnProgress, pProgressData );
4366 2 : CSLDestroy(papszJP2Options);
4367 : }
4368 : else
4369 : {
4370 : /* Jasper case */
4371 1 : const char* apszOptions[] = { "FORMAT=JPC", NULL };
4372 : poJ2KDataset =
4373 : poJ2KDriver->CreateCopy( osDSName, poSrcDS, FALSE,
4374 : (char **)apszOptions,
4375 1 : pfnProgress, pProgressData );
4376 : }
4377 3 : if( poJ2KDataset == NULL )
4378 : {
4379 0 : CSLDestroy(papszCgmMD);
4380 0 : CSLDestroy(papszTextMD);
4381 0 : return NULL;
4382 : }
4383 :
4384 3 : delete poJ2KDataset;
4385 :
4386 : // Now we need to figure out the actual length of the file
4387 : // and correct the image segment size information.
4388 : GIntBig nPixelCount = nXSize * ((GIntBig) nYSize) *
4389 3 : poSrcDS->GetRasterCount();
4390 :
4391 3 : NITFPatchImageLength( pszFilename, nImageOffset, nPixelCount, "C8" );
4392 3 : NITFWriteCGMSegments( pszFilename, papszCgmMD );
4393 3 : NITFWriteTextSegments( pszFilename, papszTextMD );
4394 :
4395 3 : GDALOpenInfo oOpenInfo( pszFilename, GA_Update );
4396 3 : poDstDS = (NITFDataset *) Open( &oOpenInfo );
4397 :
4398 3 : if( poDstDS == NULL )
4399 : {
4400 0 : CSLDestroy(papszCgmMD);
4401 0 : CSLDestroy(papszTextMD);
4402 0 : return NULL;
4403 0 : }
4404 : }
4405 :
4406 : /* ==================================================================== */
4407 : /* Loop copying bands to an uncompressed file. */
4408 : /* ==================================================================== */
4409 38 : else if( bJPEG )
4410 : {
4411 : #ifdef JPEG_SUPPORTED
4412 4 : NITFFile *psFile = NITFOpen( pszFilename, TRUE );
4413 4 : if (psFile == NULL)
4414 : {
4415 0 : CSLDestroy(papszCgmMD);
4416 0 : CSLDestroy(papszTextMD);
4417 0 : return NULL;
4418 : }
4419 4 : GUIntBig nImageOffset = psFile->pasSegmentInfo[0].nSegmentStart;
4420 : int bSuccess;
4421 :
4422 : bSuccess =
4423 : NITFWriteJPEGImage( poSrcDS, psFile->fp, nImageOffset,
4424 : papszOptions,
4425 4 : pfnProgress, pProgressData );
4426 :
4427 4 : if( !bSuccess )
4428 : {
4429 0 : NITFClose( psFile );
4430 0 : CSLDestroy(papszCgmMD);
4431 0 : CSLDestroy(papszTextMD);
4432 0 : return NULL;
4433 : }
4434 :
4435 : // Now we need to figure out the actual length of the file
4436 : // and correct the image segment size information.
4437 : GIntBig nPixelCount = nXSize * ((GIntBig) nYSize) *
4438 4 : poSrcDS->GetRasterCount();
4439 :
4440 4 : NITFClose( psFile );
4441 :
4442 : NITFPatchImageLength( pszFilename, nImageOffset,
4443 4 : nPixelCount, pszIC );
4444 :
4445 4 : NITFWriteCGMSegments( pszFilename, papszCgmMD );
4446 4 : NITFWriteTextSegments( pszFilename, papszTextMD );
4447 :
4448 4 : GDALOpenInfo oOpenInfo( pszFilename, GA_Update );
4449 4 : poDstDS = (NITFDataset *) Open( &oOpenInfo );
4450 :
4451 4 : if( poDstDS == NULL )
4452 : {
4453 0 : CSLDestroy(papszCgmMD);
4454 0 : CSLDestroy(papszTextMD);
4455 0 : return NULL;
4456 0 : }
4457 : #endif /* def JPEG_SUPPORTED */
4458 : }
4459 :
4460 : /* ==================================================================== */
4461 : /* Loop copying bands to an uncompressed file. */
4462 : /* ==================================================================== */
4463 : else
4464 : {
4465 34 : NITFWriteCGMSegments( pszFilename, papszCgmMD );
4466 34 : NITFWriteTextSegments( pszFilename, papszTextMD );
4467 :
4468 34 : GDALOpenInfo oOpenInfo( pszFilename, GA_Update );
4469 34 : poDstDS = (NITFDataset *) Open( &oOpenInfo );
4470 34 : if( poDstDS == NULL )
4471 : {
4472 0 : CSLDestroy(papszCgmMD);
4473 0 : CSLDestroy(papszTextMD);
4474 0 : return NULL;
4475 : }
4476 :
4477 34 : void *pData = VSIMalloc2(nXSize, (GDALGetDataTypeSize(eType) / 8));
4478 34 : if (pData == NULL)
4479 : {
4480 0 : delete poDstDS;
4481 0 : CSLDestroy(papszCgmMD);
4482 0 : CSLDestroy(papszTextMD);
4483 0 : return NULL;
4484 : }
4485 :
4486 34 : CPLErr eErr = CE_None;
4487 :
4488 84 : for( int iBand = 0; eErr == CE_None && iBand < poSrcDS->GetRasterCount(); iBand++ )
4489 : {
4490 50 : GDALRasterBand *poSrcBand = poSrcDS->GetRasterBand( iBand+1 );
4491 50 : GDALRasterBand *poDstBand = poDstDS->GetRasterBand( iBand+1 );
4492 :
4493 : /* -------------------------------------------------------------------- */
4494 : /* Do we need to copy a colortable or other metadata? */
4495 : /* -------------------------------------------------------------------- */
4496 : GDALColorTable *poCT;
4497 :
4498 50 : poCT = poSrcBand->GetColorTable();
4499 50 : if( poCT != NULL )
4500 1 : poDstBand->SetColorTable( poCT );
4501 :
4502 : /* -------------------------------------------------------------------- */
4503 : /* Copy image data. */
4504 : /* -------------------------------------------------------------------- */
4505 1900 : for( int iLine = 0; iLine < nYSize; iLine++ )
4506 : {
4507 : eErr = poSrcBand->RasterIO( GF_Read, 0, iLine, nXSize, 1,
4508 1850 : pData, nXSize, 1, eType, 0, 0 );
4509 1850 : if( eErr != CE_None )
4510 0 : break;
4511 :
4512 : eErr = poDstBand->RasterIO( GF_Write, 0, iLine, nXSize, 1,
4513 1850 : pData, nXSize, 1, eType, 0, 0 );
4514 :
4515 1850 : if( eErr != CE_None )
4516 0 : break;
4517 :
4518 1850 : if( !pfnProgress( (iBand + (iLine+1) / (double) nYSize)
4519 : / (double) poSrcDS->GetRasterCount(),
4520 : NULL, pProgressData ) )
4521 : {
4522 0 : CPLError( CE_Failure, CPLE_UserInterrupt, "User terminated" );
4523 0 : eErr = CE_Failure;
4524 0 : break;
4525 : }
4526 : }
4527 : }
4528 :
4529 34 : CPLFree( pData );
4530 :
4531 34 : if ( eErr != CE_None )
4532 : {
4533 0 : delete poDstDS;
4534 0 : CSLDestroy(papszCgmMD);
4535 0 : CSLDestroy(papszTextMD);
4536 0 : return NULL;
4537 0 : }
4538 : }
4539 :
4540 : /* -------------------------------------------------------------------- */
4541 : /* Set the georeferencing. */
4542 : /* -------------------------------------------------------------------- */
4543 41 : if( bWriteGeoTransform )
4544 : {
4545 35 : poDstDS->psImage->nZone = nZone;
4546 35 : poDstDS->SetGeoTransform( adfGeoTransform );
4547 : }
4548 6 : else if( bWriteGCPs )
4549 : {
4550 1 : poDstDS->psImage->nZone = nZone;
4551 1 : poDstDS->SetGCPs( poSrcDS->GetGCPCount(),
4552 1 : poSrcDS->GetGCPs(),
4553 3 : poSrcDS->GetGCPProjection() );
4554 : }
4555 :
4556 41 : poDstDS->CloneInfo( poSrcDS, GCIF_PAM_DEFAULT );
4557 :
4558 41 : CSLDestroy(papszCgmMD);
4559 41 : CSLDestroy(papszTextMD);
4560 :
4561 41 : return poDstDS;
4562 : }
4563 :
4564 : /************************************************************************/
4565 : /* NITFPatchImageLength() */
4566 : /* */
4567 : /* Fixup various stuff we don't know till we have written the */
4568 : /* imagery. In particular the file length, image data length */
4569 : /* and the compression ratio achieved. */
4570 : /************************************************************************/
4571 :
4572 8 : static void NITFPatchImageLength( const char *pszFilename,
4573 : GUIntBig nImageOffset,
4574 : GIntBig nPixelCount,
4575 : const char *pszIC )
4576 :
4577 : {
4578 8 : VSILFILE *fpVSIL = VSIFOpenL( pszFilename, "r+b" );
4579 8 : if( fpVSIL == NULL )
4580 0 : return;
4581 :
4582 8 : VSIFSeekL( fpVSIL, 0, SEEK_END );
4583 8 : GUIntBig nFileLen = VSIFTellL( fpVSIL );
4584 :
4585 : /* -------------------------------------------------------------------- */
4586 : /* Update total file length. */
4587 : /* -------------------------------------------------------------------- */
4588 8 : if (nFileLen >= (GUIntBig)(1e12 - 1))
4589 : {
4590 : CPLError(CE_Failure, CPLE_AppDefined,
4591 : "Too big file : " CPL_FRMT_GUIB ". Truncating to 999999999998",
4592 0 : nFileLen);
4593 0 : nFileLen = (GUIntBig)(1e12 - 2);
4594 : }
4595 8 : VSIFSeekL( fpVSIL, 342, SEEK_SET );
4596 8 : CPLString osLen = CPLString().Printf("%012" CPL_FRMT_GB_WITHOUT_PREFIX "u",nFileLen);
4597 8 : VSIFWriteL( (void *) osLen.c_str(), 1, 12, fpVSIL );
4598 :
4599 : /* -------------------------------------------------------------------- */
4600 : /* Update the image data length. */
4601 : /* -------------------------------------------------------------------- */
4602 8 : GUIntBig nImageSize = nFileLen-nImageOffset;
4603 8 : if (GUINTBIG_TO_DOUBLE(nImageSize) >= 1e10 - 1)
4604 : {
4605 : CPLError(CE_Failure, CPLE_AppDefined,
4606 : "Too big image size : " CPL_FRMT_GUIB". Truncating to 9999999998",
4607 0 : nImageSize);
4608 0 : nImageSize = (GUIntBig)(1e10 - 2);
4609 : }
4610 8 : VSIFSeekL( fpVSIL, 369, SEEK_SET );
4611 8 : osLen = CPLString().Printf("%010" CPL_FRMT_GB_WITHOUT_PREFIX "u",nImageSize);
4612 8 : VSIFWriteL( (void *) osLen.c_str(), 1, 10, fpVSIL );
4613 :
4614 : /* -------------------------------------------------------------------- */
4615 : /* Update COMRAT, the compression rate variable. We have to */
4616 : /* take into account the presence of graphic and text segments, */
4617 : /* the optional presence of IGEOLO and ICOM to find its position. */
4618 : /* -------------------------------------------------------------------- */
4619 : char szICBuf[2];
4620 : char achNUM[4]; // buffer for segment size. 3 digits plus null character
4621 8 : achNUM[3] = '\0';
4622 :
4623 : // get number of graphic and text segment so we can calculate offset for
4624 : // image IC.
4625 8 : int nNumIOffset = 360;
4626 8 : VSIFSeekL( fpVSIL, nNumIOffset, SEEK_SET );
4627 8 : VSIFReadL( achNUM, 1, 3, fpVSIL );
4628 8 : int nIM = atoi(achNUM); // number of image segment
4629 :
4630 8 : int nNumSOffset = nNumIOffset + 3 + nIM * 16;
4631 8 : VSIFSeekL( fpVSIL, nNumSOffset, SEEK_SET );
4632 8 : VSIFReadL( achNUM, 1, 3, fpVSIL );
4633 8 : int nGS = atoi(achNUM); // number of graphic segment
4634 :
4635 8 : int nNumTOffset = nNumSOffset + 3 + 10 * nGS + 3;
4636 8 : VSIFSeekL( fpVSIL, nNumTOffset, SEEK_SET );
4637 8 : VSIFReadL( achNUM, 1, 3, fpVSIL );
4638 8 : int nTS = atoi(achNUM); // number of text segment
4639 :
4640 8 : int nAdditionalOffset = nGS * 10 + nTS * 9;
4641 :
4642 : /* Read ICORDS */
4643 8 : VSIFSeekL( fpVSIL, 775 + nAdditionalOffset , SEEK_SET );
4644 : char chICORDS;
4645 8 : VSIFReadL( &chICORDS, 1, 1, fpVSIL );
4646 8 : if (chICORDS != ' ')
4647 7 : VSIFSeekL( fpVSIL, 60, SEEK_CUR); /* skip IGEOLO */
4648 :
4649 : /* Read NICOM */
4650 : char achNICOM[2];
4651 8 : VSIFReadL( achNICOM, 1, 1, fpVSIL );
4652 8 : achNICOM[1] = 0;
4653 8 : int nNICOM = atoi(achNICOM);
4654 8 : VSIFSeekL( fpVSIL, nNICOM * 80, SEEK_CUR); /* skip comments */
4655 :
4656 : /* Read IC */
4657 8 : VSIFReadL( szICBuf, 2, 1, fpVSIL );
4658 :
4659 : /* The following line works around a "feature" of *BSD libc (at least PC-BSD 7.1) */
4660 : /* that makes the position of the file offset unreliable when executing a */
4661 : /* "seek, read and write" sequence. After the read(), the file offset seen by */
4662 : /* the write() is approximatively the size of a block further... */
4663 8 : VSIFSeekL( fpVSIL, VSIFTellL( fpVSIL ), SEEK_SET );
4664 :
4665 8 : if( !EQUALN(szICBuf,pszIC,2) )
4666 : {
4667 : CPLError( CE_Warning, CPLE_AppDefined,
4668 0 : "Unable to locate COMRAT to update in NITF header." );
4669 : }
4670 : else
4671 : {
4672 : char szCOMRAT[5];
4673 :
4674 8 : if( EQUAL(pszIC,"C8") ) /* jpeg2000 */
4675 : {
4676 4 : double dfRate = (GIntBig)(nFileLen-nImageOffset) * 8 / (double) nPixelCount;
4677 4 : dfRate = MAX(0.01,MIN(99.99,dfRate));
4678 :
4679 : // We emit in wxyz format with an implicit decimal place
4680 : // between wx and yz as per spec for lossy compression.
4681 : // We really should have a special case for lossless compression.
4682 4 : sprintf( szCOMRAT, "%04d", (int) (dfRate * 100));
4683 : }
4684 4 : else if( EQUAL(pszIC, "C3") || EQUAL(pszIC, "M3") ) /* jpeg */
4685 : {
4686 4 : strcpy( szCOMRAT, "00.0" );
4687 : }
4688 :
4689 8 : VSIFWriteL( szCOMRAT, 4, 1, fpVSIL );
4690 : }
4691 :
4692 8 : VSIFCloseL( fpVSIL );
4693 : }
4694 :
4695 : /************************************************************************/
4696 : /* NITFWriteCGMSegments() */
4697 : /************************************************************************/
4698 596 : static int NITFWriteCGMSegments( const char *pszFilename, char **papszList)
4699 : {
4700 596 : char errorMessage[255] = "";
4701 :
4702 : // size of each Cgm header entry (LS (4) + LSSH (6))
4703 596 : const int nCgmHdrEntrySz = 10;
4704 :
4705 596 : if (papszList == NULL)
4706 588 : return TRUE;
4707 :
4708 8 : int nNUMS = 0;
4709 : const char *pszNUMS;
4710 8 : pszNUMS = CSLFetchNameValue(papszList, "SEGMENT_COUNT");
4711 8 : if (pszNUMS != NULL)
4712 : {
4713 8 : nNUMS = atoi(pszNUMS);
4714 : }
4715 :
4716 : /* -------------------------------------------------------------------- */
4717 : /* Open the target file. */
4718 : /* -------------------------------------------------------------------- */
4719 8 : VSILFILE *fpVSIL = VSIFOpenL(pszFilename, "r+b");
4720 :
4721 8 : if (fpVSIL == NULL)
4722 0 : return FALSE;
4723 :
4724 : // Calculates the offset for NUMS so we can update header data
4725 : char achNUMI[4]; // 3 digits plus null character
4726 8 : achNUMI[3] = '\0';
4727 :
4728 : // NUMI offset is at a fixed offset 363
4729 8 : int nNumIOffset = 360;
4730 8 : VSIFSeekL(fpVSIL, nNumIOffset, SEEK_SET );
4731 8 : VSIFReadL(achNUMI, 1, 3, fpVSIL);
4732 8 : int nIM = atoi(achNUMI);
4733 :
4734 : // 6 for size of LISH and 10 for size of LI
4735 : // NUMS offset is NumI offset plus the size of NumI + size taken up each
4736 : // the header data multiply by the number of data
4737 :
4738 8 : int nNumSOffset = nNumIOffset + 3+ nIM * (6 + 10);
4739 :
4740 : /* -------------------------------------------------------------------- */
4741 : /* Confirm that the NUMS in the file header already matches the */
4742 : /* number of graphic segments we want to write */
4743 : /* -------------------------------------------------------------------- */
4744 : char achNUMS[4];
4745 :
4746 8 : VSIFSeekL( fpVSIL, nNumSOffset, SEEK_SET );
4747 8 : VSIFReadL( achNUMS, 1, 3, fpVSIL );
4748 8 : achNUMS[3] = '\0';
4749 :
4750 8 : if( atoi(achNUMS) != nNUMS )
4751 : {
4752 : CPLError( CE_Failure, CPLE_AppDefined,
4753 : "It appears an attempt was made to add or update graphic\n"
4754 : "segments on an NITF file with existing segments. This\n"
4755 0 : "is not currently supported by the GDAL NITF driver." );
4756 :
4757 0 : VSIFCloseL( fpVSIL );
4758 0 : return FALSE;
4759 : }
4760 :
4761 :
4762 : // allocate space for graphic header.
4763 : // Size of LS = 4, size of LSSH = 6, and 1 for null character
4764 8 : char *pachLS = (char *) CPLCalloc(nNUMS * nCgmHdrEntrySz + 1, 1);
4765 :
4766 : /* -------------------------------------------------------------------- */
4767 : /* Assume no extended data such as SXSHDL, SXSHD */
4768 : /* -------------------------------------------------------------------- */
4769 :
4770 : /* ==================================================================== */
4771 : /* Write the Graphics segments at the end of the file. */
4772 : /* ==================================================================== */
4773 :
4774 : #define PLACE(location,name,text) strncpy(location,text,strlen(text))
4775 :
4776 12 : for (int i = 0; i < nNUMS; i++)
4777 : {
4778 :
4779 : // Get all the fields for current CGM segment
4780 : const char *pszSlocRow = CSLFetchNameValue(papszList,
4781 4 : CPLString().Printf("SEGMENT_%d_SLOC_ROW", i));
4782 : const char *pszSlocCol = CSLFetchNameValue(papszList,
4783 8 : CPLString().Printf("SEGMENT_%d_SLOC_COL", i));
4784 : const char *pszSdlvl = CSLFetchNameValue(papszList,
4785 8 : CPLString().Printf("SEGMENT_%d_SDLVL", i));
4786 : const char *pszSalvl = CSLFetchNameValue(papszList,
4787 8 : CPLString().Printf("SEGMENT_%d_SALVL", i));
4788 : const char *pszData = CSLFetchNameValue(papszList,
4789 8 : CPLString().Printf("SEGMENT_%d_DATA", i));
4790 :
4791 : // Error checking
4792 4 : if (pszSlocRow == NULL)
4793 : {
4794 0 : sprintf(errorMessage, "NITF graphic segment writing error: SLOC_ROW for segment %d is not defined",i);
4795 0 : break;
4796 : }
4797 4 : if (pszSlocCol == NULL)
4798 : {
4799 0 : sprintf(errorMessage, "NITF graphic segment writing error: SLOC_COL for segment %d is not defined",i);
4800 0 : break;
4801 : }
4802 4 : if (pszSdlvl == NULL)
4803 : {
4804 0 : sprintf(errorMessage, "NITF graphic segment writing error: SDLVL for segment %d is not defined", i);
4805 0 : break;
4806 : }
4807 4 : if (pszSalvl == NULL)
4808 : {
4809 0 : sprintf(errorMessage, "NITF graphic segment writing error: SALVLfor segment %d is not defined", i);
4810 0 : break;
4811 : }
4812 4 : if (pszData == NULL)
4813 : {
4814 0 : sprintf(errorMessage, "NITF graphic segment writing error: DATA for segment %d is not defined", i);
4815 0 : break;
4816 : }
4817 :
4818 4 : int nSlocCol = atoi(pszSlocRow);
4819 4 : int nSlocRow = atoi(pszSlocCol);
4820 4 : int nSdlvl = atoi(pszSdlvl);
4821 4 : int nSalvl = atoi(pszSalvl);
4822 :
4823 : // Create a buffer for graphics segment header, 258 is the size of
4824 : // the header that we will be writing.
4825 : char achGSH[258];
4826 :
4827 4 : memset(achGSH, ' ', sizeof(achGSH));
4828 :
4829 :
4830 4 : PLACE( achGSH+ 0, SY , "SY" );
4831 4 : PLACE( achGSH+ 2, SID ,CPLSPrintf("%010d", i) );
4832 4 : PLACE( achGSH+ 12, SNAME , "DEFAULT NAME " );
4833 4 : PLACE( achGSH+32, SSCLAS , "U" );
4834 4 : PLACE( achGSH+33, SSCLASY , "0" );
4835 4 : PLACE( achGSH+199, ENCRYP , "0" );
4836 4 : PLACE( achGSH+200, SFMT , "C" );
4837 4 : PLACE( achGSH+201, SSTRUCT , "0000000000000" );
4838 4 : PLACE( achGSH+214, SDLVL , CPLSPrintf("%03d",nSdlvl)); // size3
4839 4 : PLACE( achGSH+217, SALVL , CPLSPrintf("%03d",nSalvl)); // size3
4840 4 : PLACE( achGSH+220, SLOC , CPLSPrintf("%05d%05d",nSlocRow,nSlocCol) ); // size 10
4841 4 : PLACE( achGSH+230, SBAND1 , "0000000000" );
4842 4 : PLACE( achGSH+240, SCOLOR, "C" );
4843 4 : PLACE( achGSH+241, SBAND2, "0000000000" );
4844 4 : PLACE( achGSH+251, SRES2, "00" );
4845 4 : PLACE( achGSH+253, SXSHDL, "00000" );
4846 :
4847 : // Move to the end of the file
4848 4 : VSIFSeekL(fpVSIL, 0, SEEK_END );
4849 4 : VSIFWriteL(achGSH, 1, sizeof(achGSH), fpVSIL);
4850 :
4851 : /* -------------------------------------- ------------------------------ */
4852 : /* Prepare and write CGM segment data. */
4853 : /* -------------------------------------------------------------------- */
4854 4 : int nCGMSize = 0;
4855 : char *pszCgmToWrite = CPLUnescapeString(pszData, &nCGMSize,
4856 4 : CPLES_BackslashQuotable);
4857 :
4858 4 : if (nCGMSize > 999998)
4859 : {
4860 : CPLError(CE_Warning, CPLE_NotSupported,
4861 : "Length of SEGMENT_%d_DATA is %d, which is greater than 999998. Truncating...",
4862 0 : i + 1, nCGMSize);
4863 0 : nCGMSize = 999998;
4864 : }
4865 :
4866 4 : VSIFWriteL(pszCgmToWrite, 1, nCGMSize, fpVSIL);
4867 :
4868 : /* -------------------------------------------------------------------- */
4869 : /* Update the subheader and data size info in the file header. */
4870 : /* -------------------------------------------------------------------- */
4871 4 : sprintf( pachLS + nCgmHdrEntrySz * i, "%04d%06d",(int) sizeof(achGSH), nCGMSize );
4872 :
4873 4 : CPLFree(pszCgmToWrite);
4874 :
4875 : } // End For
4876 :
4877 :
4878 : /* -------------------------------------------------------------------- */
4879 : /* Write out the graphic segment info. */
4880 : /* -------------------------------------------------------------------- */
4881 :
4882 8 : VSIFSeekL(fpVSIL, nNumSOffset + 3, SEEK_SET );
4883 8 : VSIFWriteL(pachLS, 1, nNUMS * nCgmHdrEntrySz, fpVSIL);
4884 :
4885 : /* -------------------------------------------------------------------- */
4886 : /* Update total file length. */
4887 : /* -------------------------------------------------------------------- */
4888 8 : VSIFSeekL(fpVSIL, 0, SEEK_END );
4889 8 : GUIntBig nFileLen = VSIFTellL(fpVSIL);
4890 : // Offset to file length entry
4891 8 : VSIFSeekL(fpVSIL, 342, SEEK_SET );
4892 8 : if (GUINTBIG_TO_DOUBLE(nFileLen) >= 1e12 - 1)
4893 : {
4894 : CPLError(CE_Failure, CPLE_AppDefined,
4895 : "Too big file : " CPL_FRMT_GUIB ". Truncating to 999999999998",
4896 0 : nFileLen);
4897 0 : nFileLen = (GUIntBig) (1e12 - 2);
4898 : }
4899 : CPLString osLen = CPLString().Printf("%012" CPL_FRMT_GB_WITHOUT_PREFIX "u",
4900 8 : nFileLen);
4901 8 : VSIFWriteL((void *) osLen.c_str(), 1, 12, fpVSIL);
4902 :
4903 8 : VSIFCloseL(fpVSIL);
4904 :
4905 8 : CPLFree(pachLS);
4906 :
4907 8 : if (strlen(errorMessage) != 0)
4908 : {
4909 0 : CPLError(CE_Failure, CPLE_AppDefined, "%s", errorMessage);
4910 0 : return FALSE;
4911 : }
4912 :
4913 8 : return TRUE;
4914 : }
4915 :
4916 : /************************************************************************/
4917 : /* NITFWriteTextSegments() */
4918 : /************************************************************************/
4919 :
4920 596 : static void NITFWriteTextSegments( const char *pszFilename,
4921 : char **papszList )
4922 :
4923 : {
4924 : /* -------------------------------------------------------------------- */
4925 : /* Count the number of apparent text segments to write. There */
4926 : /* is nothing at all to do if there are none to write. */
4927 : /* -------------------------------------------------------------------- */
4928 596 : int iOpt, nNUMT = 0;
4929 :
4930 604 : for( iOpt = 0; papszList != NULL && papszList[iOpt] != NULL; iOpt++ )
4931 : {
4932 8 : if( EQUALN(papszList[iOpt],"DATA_",5) )
4933 5 : nNUMT++;
4934 : }
4935 :
4936 596 : if( nNUMT == 0 )
4937 592 : return;
4938 :
4939 : /* -------------------------------------------------------------------- */
4940 : /* Open the target file. */
4941 : /* -------------------------------------------------------------------- */
4942 4 : VSILFILE *fpVSIL = VSIFOpenL( pszFilename, "r+b" );
4943 :
4944 4 : if( fpVSIL == NULL )
4945 0 : return;
4946 :
4947 : // Get number of text field. Since there there could be multiple images
4948 : // or graphic segment, the offset need to be calculated dynamically.
4949 :
4950 : char achNUMI[4]; // 3 digits plus null character
4951 4 : achNUMI[3] = '\0';
4952 : // NUMI offset is at a fixed offset 363
4953 4 : int nNumIOffset = 360;
4954 4 : VSIFSeekL( fpVSIL, nNumIOffset, SEEK_SET );
4955 4 : VSIFReadL( achNUMI, 1, 3, fpVSIL );
4956 4 : int nIM = atoi(achNUMI);
4957 :
4958 : char achNUMG[4]; // 3 digits plus null character
4959 4 : achNUMG[3] = '\0';
4960 :
4961 : // 3 for size of NUMI. 6 and 10 are the field size for LISH and LI
4962 4 : int nNumGOffset = nNumIOffset + 3 + nIM * (6 + 10);
4963 4 : VSIFSeekL( fpVSIL, nNumGOffset, SEEK_SET );
4964 4 : VSIFReadL( achNUMG, 1, 3, fpVSIL );
4965 4 : int nGS = atoi(achNUMG);
4966 :
4967 : // NUMT offset
4968 : // 3 for size of NUMG. 4 and 6 are filed size of LSSH and LS.
4969 : // the last + 3 is for NUMX field, which is not used
4970 4 : int nNumTOffset = nNumGOffset + 3 + nGS * (4 + 6) + 3;
4971 :
4972 : /* -------------------------------------------------------------------- */
4973 : /* Confirm that the NUMT in the file header already matches the */
4974 : /* number of text segements we want to write, and that the */
4975 : /* segment header/data size info is blank. */
4976 : /* -------------------------------------------------------------------- */
4977 : char achNUMT[4];
4978 4 : char *pachLT = (char *) CPLCalloc(nNUMT * 9 + 1, 1);
4979 :
4980 4 : VSIFSeekL( fpVSIL, nNumTOffset, SEEK_SET );
4981 4 : VSIFReadL( achNUMT, 1, 3, fpVSIL );
4982 4 : achNUMT[3] = '\0';
4983 :
4984 4 : VSIFReadL( pachLT, 1, nNUMT * 9, fpVSIL );
4985 :
4986 4 : if( atoi(achNUMT) != nNUMT )
4987 : {
4988 : CPLError( CE_Failure, CPLE_AppDefined,
4989 : "It appears an attempt was made to add or update text\n"
4990 : "segments on an NITF file with existing segments. This\n"
4991 0 : "is not currently supported by the GDAL NITF driver." );
4992 :
4993 0 : VSIFCloseL( fpVSIL );
4994 0 : CPLFree( pachLT );
4995 0 : return;
4996 : }
4997 :
4998 4 : if( !EQUALN(pachLT," ",9) )
4999 : {
5000 0 : CPLFree( pachLT );
5001 : // presumably the text segments are already written, do nothing.
5002 0 : VSIFCloseL( fpVSIL );
5003 0 : return;
5004 : }
5005 :
5006 : /* -------------------------------------------------------------------- */
5007 : /* At this point we likely ought to confirm NUMDES, NUMRES, */
5008 : /* UDHDL and XHDL are zero. Consider adding later... */
5009 : /* -------------------------------------------------------------------- */
5010 :
5011 : /* ==================================================================== */
5012 : /* Write the text segments at the end of the file. */
5013 : /* ==================================================================== */
5014 : #define PLACE(location,name,text) strncpy(location,text,strlen(text))
5015 4 : int iTextSeg = 0;
5016 :
5017 12 : for( iOpt = 0; papszList != NULL && papszList[iOpt] != NULL; iOpt++ )
5018 : {
5019 : const char *pszTextToWrite;
5020 :
5021 8 : if( !EQUALN(papszList[iOpt],"DATA_",5) )
5022 3 : continue;
5023 :
5024 5 : const char *pszHeaderBuffer = NULL;
5025 :
5026 5 : pszTextToWrite = CPLParseNameValue( papszList[iOpt], NULL );
5027 5 : if( pszTextToWrite == NULL )
5028 0 : continue;
5029 :
5030 : /* -------------------------------------------------------------------- */
5031 : /* Locate corresponding header data in the buffer */
5032 : /* -------------------------------------------------------------------- */
5033 :
5034 12 : for( int iOpt2 = 0; papszList != NULL && papszList[iOpt2] != NULL; iOpt2++ ) {
5035 10 : if( !EQUALN(papszList[iOpt2],"HEADER_",7) )
5036 7 : continue;
5037 :
5038 3 : char *pszHeaderKey = NULL, *pszDataKey = NULL;
5039 3 : CPLParseNameValue( papszList[iOpt2], &pszHeaderKey );
5040 3 : CPLParseNameValue( papszList[iOpt], &pszDataKey );
5041 3 : if( pszHeaderKey == NULL || pszDataKey == NULL )
5042 : {
5043 0 : CPLFree(pszHeaderKey);
5044 0 : CPLFree(pszDataKey);
5045 0 : continue;
5046 : }
5047 :
5048 : char *pszHeaderId, *pszDataId; //point to header and data number
5049 3 : pszHeaderId = pszHeaderKey + 7;
5050 3 : pszDataId = pszDataKey + 5;
5051 :
5052 3 : bool bIsSameId = strcmp(pszHeaderId, pszDataId) == 0;
5053 3 : CPLFree(pszHeaderKey);
5054 3 : CPLFree(pszDataKey);
5055 :
5056 : // if ID matches, read the header information and exit the loop
5057 3 : if (bIsSameId) {
5058 3 : pszHeaderBuffer = CPLParseNameValue( papszList[iOpt2], NULL);
5059 3 : break;
5060 : }
5061 : }
5062 :
5063 : /* -------------------------------------------------------------------- */
5064 : /* Prepare and write text header. */
5065 : /* -------------------------------------------------------------------- */
5066 : char achTSH[282];
5067 5 : memset( achTSH, ' ', sizeof(achTSH) );
5068 5 : VSIFSeekL( fpVSIL, 0, SEEK_END );
5069 :
5070 5 : if (pszHeaderBuffer!= NULL) {
5071 3 : memcpy( achTSH, pszHeaderBuffer, MIN(strlen(pszHeaderBuffer), sizeof(achTSH)) );
5072 :
5073 : // Take care NITF2.0 date format changes
5074 3 : char chTimeZone = achTSH[20];
5075 :
5076 : // Check for Zulu time zone character. IpachLTf that exist, then
5077 : // it's NITF2.0 format.
5078 3 : if (chTimeZone == 'Z') {
5079 0 : char *achOrigDate=achTSH+12; // original date string
5080 :
5081 : // The date value taken from default NITF file date
5082 0 : char achNewDate[]="20021216151629";
5083 : char achYear[3];
5084 : int nYear;
5085 :
5086 : // Offset to the year
5087 0 : strncpy(achYear,achOrigDate+12, 2);
5088 0 : achYear[2] = '\0';
5089 0 : nYear = atoi(achYear);
5090 :
5091 : // Set century.
5092 : // Since NITF2.0 does not track the century, we are going to
5093 : // assume any year number greater then 94 (the year NITF2.0
5094 : // spec published), will be 1900s, otherwise, it's 2000s.
5095 0 : if (nYear > 94) strncpy(achNewDate,"19",2);
5096 0 : else strncpy(achNewDate,"20",2);
5097 :
5098 0 : strncpy(achNewDate+6, achOrigDate,8); // copy cover DDhhmmss
5099 0 : strncpy(achNewDate+2, achOrigDate+12,2); // copy over years
5100 :
5101 : // Perform month conversion
5102 0 : char *pszOrigMonth = achOrigDate+9;
5103 0 : char *pszNewMonth = achNewDate+4;
5104 :
5105 0 : if (strncmp(pszOrigMonth,"JAN",3) == 0) strncpy(pszNewMonth,"01",2);
5106 0 : else if (strncmp(pszOrigMonth,"FEB",3) == 0) strncpy(pszNewMonth,"02",2);
5107 0 : else if (strncmp(pszOrigMonth,"MAR",3) == 0) strncpy(pszNewMonth,"03",2);
5108 0 : else if (strncmp(pszOrigMonth,"APR",3) == 0) strncpy(pszNewMonth,"04",2);
5109 0 : else if (strncmp(pszOrigMonth,"MAY",3) == 0) strncpy(pszNewMonth,"05",2);
5110 0 : else if (strncmp(pszOrigMonth,"JUN",3) == 0) strncpy(pszNewMonth,"07",2);
5111 0 : else if (strncmp(pszOrigMonth,"AUG",3) == 0) strncpy(pszNewMonth,"08",2);
5112 0 : else if (strncmp(pszOrigMonth,"SEP",3) == 0) strncpy(pszNewMonth,"09",2);
5113 0 : else if (strncmp(pszOrigMonth,"OCT",3) == 0) strncpy(pszNewMonth,"10",2);
5114 0 : else if (strncmp(pszOrigMonth,"NOV",3) == 0) strncpy(pszNewMonth,"11",2);
5115 0 : else if (strncmp(pszOrigMonth,"DEC",3) == 0) strncpy(pszNewMonth,"12",2);
5116 :
5117 0 : PLACE( achTSH+ 12, TXTDT , achNewDate );
5118 :
5119 : }
5120 : } else { // Use default value if header information is not found
5121 2 : PLACE( achTSH+ 0, TE , "TE" );
5122 2 : PLACE( achTSH+ 9, TXTALVL , "000" );
5123 2 : PLACE( achTSH+ 12, TXTDT , "20021216151629" );
5124 2 : PLACE( achTSH+106, TSCLAS , "U" );
5125 2 : PLACE( achTSH+273, ENCRYP , "0" );
5126 2 : PLACE( achTSH+274, TXTFMT , "STA" );
5127 2 : PLACE( achTSH+277, TXSHDL , "00000" );
5128 : }
5129 :
5130 :
5131 5 : VSIFWriteL( achTSH, 1, sizeof(achTSH), fpVSIL );
5132 :
5133 : /* -------------------------------------------------------------------- */
5134 : /* Prepare and write text segment data. */
5135 : /* -------------------------------------------------------------------- */
5136 :
5137 5 : int nTextLength = (int) strlen(pszTextToWrite);
5138 5 : if (nTextLength > 99998)
5139 : {
5140 : CPLError(CE_Warning, CPLE_NotSupported,
5141 : "Length of DATA_%d is %d, which is greater than 99998. Truncating...",
5142 0 : iTextSeg + 1, nTextLength);
5143 0 : nTextLength = 99998;
5144 : }
5145 :
5146 5 : VSIFWriteL( pszTextToWrite, 1, nTextLength, fpVSIL );
5147 :
5148 : /* -------------------------------------------------------------------- */
5149 : /* Update the subheader and data size info in the file header. */
5150 : /* -------------------------------------------------------------------- */
5151 : sprintf( pachLT + 9*iTextSeg+0, "%04d%05d",
5152 5 : (int) sizeof(achTSH), nTextLength );
5153 :
5154 5 : iTextSeg++;
5155 : }
5156 :
5157 : /* -------------------------------------------------------------------- */
5158 : /* Write out the text segment info. */
5159 : /* -------------------------------------------------------------------- */
5160 :
5161 4 : VSIFSeekL( fpVSIL, nNumTOffset + 3, SEEK_SET );
5162 4 : VSIFWriteL( pachLT, 1, nNUMT * 9, fpVSIL );
5163 :
5164 : /* -------------------------------------------------------------------- */
5165 : /* Update total file length. */
5166 : /* -------------------------------------------------------------------- */
5167 4 : VSIFSeekL( fpVSIL, 0, SEEK_END );
5168 4 : GUIntBig nFileLen = VSIFTellL( fpVSIL );
5169 :
5170 4 : VSIFSeekL( fpVSIL, 342, SEEK_SET );
5171 4 : if (GUINTBIG_TO_DOUBLE(nFileLen) >= 1e12 - 1)
5172 : {
5173 : CPLError(CE_Failure, CPLE_AppDefined,
5174 : "Too big file : " CPL_FRMT_GUIB ". Truncating to 999999999998",
5175 0 : nFileLen);
5176 0 : nFileLen = (GUIntBig)(1e12 - 2);
5177 : }
5178 4 : CPLString osLen = CPLString().Printf("%012" CPL_FRMT_GB_WITHOUT_PREFIX "u",nFileLen);
5179 4 : VSIFWriteL( (void *) osLen.c_str(), 1, 12, fpVSIL );
5180 :
5181 4 : VSIFCloseL( fpVSIL );
5182 4 : CPLFree( pachLT );
5183 : }
5184 :
5185 : /************************************************************************/
5186 : /* NITFWriteJPEGImage() */
5187 : /************************************************************************/
5188 :
5189 : #ifdef JPEG_SUPPORTED
5190 :
5191 : int
5192 : NITFWriteJPEGBlock( GDALDataset *poSrcDS, VSILFILE *fp,
5193 : int nBlockXOff, int nBlockYOff,
5194 : int nBlockXSize, int nBlockYSize,
5195 : int bProgressive, int nQuality,
5196 : const GByte* pabyAPP6, int nRestartInterval,
5197 : GDALProgressFunc pfnProgress, void * pProgressData );
5198 :
5199 : static int
5200 4 : NITFWriteJPEGImage( GDALDataset *poSrcDS, VSILFILE *fp, vsi_l_offset nStartOffset,
5201 : char **papszOptions,
5202 : GDALProgressFunc pfnProgress, void * pProgressData )
5203 : {
5204 4 : int nBands = poSrcDS->GetRasterCount();
5205 4 : int nXSize = poSrcDS->GetRasterXSize();
5206 4 : int nYSize = poSrcDS->GetRasterYSize();
5207 4 : int nQuality = 75;
5208 4 : int bProgressive = FALSE;
5209 4 : int nRestartInterval = -1;
5210 :
5211 4 : if( !pfnProgress( 0.0, NULL, pProgressData ) )
5212 0 : return FALSE;
5213 :
5214 : /* -------------------------------------------------------------------- */
5215 : /* Some some rudimentary checks */
5216 : /* -------------------------------------------------------------------- */
5217 4 : if( nBands != 1 && nBands != 3 )
5218 : {
5219 : CPLError( CE_Failure, CPLE_NotSupported,
5220 : "JPEG driver doesn't support %d bands. Must be 1 (grey) "
5221 0 : "or 3 (RGB) bands.\n", nBands );
5222 :
5223 0 : return FALSE;
5224 : }
5225 :
5226 4 : GDALDataType eDT = poSrcDS->GetRasterBand(1)->GetRasterDataType();
5227 :
5228 : #if defined(JPEG_LIB_MK1) || defined(JPEG_DUAL_MODE_8_12)
5229 4 : if( eDT != GDT_Byte && eDT != GDT_UInt16 )
5230 : {
5231 : CPLError( CE_Failure, CPLE_NotSupported,
5232 : "JPEG driver doesn't support data type %s. "
5233 : "Only eight and twelve bit bands supported (Mk1 libjpeg).\n",
5234 : GDALGetDataTypeName(
5235 0 : poSrcDS->GetRasterBand(1)->GetRasterDataType()) );
5236 :
5237 0 : return FALSE;
5238 : }
5239 :
5240 5 : if( eDT == GDT_UInt16 || eDT == GDT_Int16 )
5241 1 : eDT = GDT_UInt16;
5242 : else
5243 3 : eDT = GDT_Byte;
5244 :
5245 : #else
5246 : if( eDT != GDT_Byte )
5247 : {
5248 : CPLError( CE_Failure, CPLE_NotSupported,
5249 : "JPEG driver doesn't support data type %s. "
5250 : "Only eight bit byte bands supported.\n",
5251 : GDALGetDataTypeName(
5252 : poSrcDS->GetRasterBand(1)->GetRasterDataType()) );
5253 :
5254 : return FALSE;
5255 : }
5256 :
5257 : eDT = GDT_Byte; // force to 8bit.
5258 : #endif
5259 :
5260 : /* -------------------------------------------------------------------- */
5261 : /* What options has the user selected? */
5262 : /* -------------------------------------------------------------------- */
5263 4 : if( CSLFetchNameValue(papszOptions,"QUALITY") != NULL )
5264 : {
5265 2 : nQuality = atoi(CSLFetchNameValue(papszOptions,"QUALITY"));
5266 2 : if( nQuality < 10 || nQuality > 100 )
5267 : {
5268 : CPLError( CE_Failure, CPLE_IllegalArg,
5269 : "QUALITY=%s is not a legal value in the range 10-100.",
5270 0 : CSLFetchNameValue(papszOptions,"QUALITY") );
5271 0 : return FALSE;
5272 : }
5273 : }
5274 :
5275 4 : if( CSLFetchNameValue(papszOptions,"RESTART_INTERVAL") != NULL )
5276 : {
5277 0 : nRestartInterval = atoi(CSLFetchNameValue(papszOptions,"RESTART_INTERVAL"));
5278 : }
5279 :
5280 4 : bProgressive = CSLFetchBoolean( papszOptions, "PROGRESSIVE", FALSE );
5281 :
5282 : /* -------------------------------------------------------------------- */
5283 : /* Compute blocking factors */
5284 : /* -------------------------------------------------------------------- */
5285 4 : int nNPPBH = nXSize;
5286 4 : int nNPPBV = nYSize;
5287 :
5288 4 : if( CSLFetchNameValue( papszOptions, "BLOCKSIZE" ) != NULL )
5289 2 : nNPPBH = nNPPBV = atoi(CSLFetchNameValue( papszOptions, "BLOCKSIZE" ));
5290 :
5291 4 : if( CSLFetchNameValue( papszOptions, "BLOCKXSIZE" ) != NULL )
5292 0 : nNPPBH = atoi(CSLFetchNameValue( papszOptions, "BLOCKXSIZE" ));
5293 :
5294 4 : if( CSLFetchNameValue( papszOptions, "BLOCKYSIZE" ) != NULL )
5295 0 : nNPPBV = atoi(CSLFetchNameValue( papszOptions, "BLOCKYSIZE" ));
5296 :
5297 4 : if( CSLFetchNameValue( papszOptions, "NPPBH" ) != NULL )
5298 0 : nNPPBH = atoi(CSLFetchNameValue( papszOptions, "NPPBH" ));
5299 :
5300 4 : if( CSLFetchNameValue( papszOptions, "NPPBV" ) != NULL )
5301 0 : nNPPBV = atoi(CSLFetchNameValue( papszOptions, "NPPBV" ));
5302 :
5303 4 : if( nNPPBH <= 0 || nNPPBV <= 0 ||
5304 : nNPPBH > 9999 || nNPPBV > 9999 )
5305 0 : nNPPBH = nNPPBV = 256;
5306 :
5307 4 : int nNBPR = (nXSize + nNPPBH - 1) / nNPPBH;
5308 4 : int nNBPC = (nYSize + nNPPBV - 1) / nNPPBV;
5309 :
5310 : /* -------------------------------------------------------------------- */
5311 : /* Creates APP6 NITF application segment (required by MIL-STD-188-198) */
5312 : /* see #3345 */
5313 : /* -------------------------------------------------------------------- */
5314 : GByte abyAPP6[23];
5315 : GUInt16 nUInt16;
5316 4 : int nOffset = 0;
5317 :
5318 4 : memcpy(abyAPP6, "NITF", 4);
5319 4 : abyAPP6[4] = 0;
5320 4 : nOffset += 5;
5321 :
5322 : /* Version : 2.0 */
5323 4 : nUInt16 = 0x0200;
5324 4 : CPL_MSBPTR16(&nUInt16);
5325 4 : memcpy(abyAPP6 + nOffset, &nUInt16, sizeof(nUInt16));
5326 4 : nOffset += sizeof(nUInt16);
5327 :
5328 : /* IMODE */
5329 4 : abyAPP6[nOffset] = (nBands == 1) ? 'B' : 'P';
5330 4 : nOffset ++;
5331 :
5332 : /* Number of image blocks per row */
5333 4 : nUInt16 = (GUInt16) nNBPR;
5334 4 : CPL_MSBPTR16(&nUInt16);
5335 4 : memcpy(abyAPP6 + nOffset, &nUInt16, sizeof(nUInt16));
5336 4 : nOffset += sizeof(nUInt16);
5337 :
5338 : /* Number of image blocks per column */
5339 4 : nUInt16 = (GUInt16) nNBPC;
5340 4 : CPL_MSBPTR16(&nUInt16);
5341 4 : memcpy(abyAPP6 + nOffset, &nUInt16, sizeof(nUInt16));
5342 4 : nOffset += sizeof(nUInt16);
5343 :
5344 : /* Image color */
5345 4 : abyAPP6[nOffset] = (nBands == 1) ? 0 : 1;
5346 4 : nOffset ++;
5347 :
5348 : /* Original sample precision */
5349 4 : abyAPP6[nOffset] = (eDT == GDT_UInt16) ? 12 : 8;
5350 4 : nOffset ++;
5351 :
5352 : /* Image class */
5353 4 : abyAPP6[nOffset] = 0;
5354 4 : nOffset ++;
5355 :
5356 : /* JPEG coding process */
5357 4 : abyAPP6[nOffset] = (eDT == GDT_UInt16) ? 4 : 1;
5358 4 : nOffset ++;
5359 :
5360 : /* Quality */
5361 4 : abyAPP6[nOffset] = 0;
5362 4 : nOffset ++;
5363 :
5364 : /* Stream color */
5365 4 : abyAPP6[nOffset] = (nBands == 1) ? 0 /* Monochrome */ : 2 /* YCbCr*/ ;
5366 4 : nOffset ++;
5367 :
5368 : /* Stream bits */
5369 4 : abyAPP6[nOffset] = (eDT == GDT_UInt16) ? 12 : 8;
5370 4 : nOffset ++;
5371 :
5372 : /* Horizontal filtering */
5373 4 : abyAPP6[nOffset] = 1;
5374 4 : nOffset ++;
5375 :
5376 : /* Vertical filtering */
5377 4 : abyAPP6[nOffset] = 1;
5378 4 : nOffset ++;
5379 :
5380 : /* Reserved */
5381 4 : abyAPP6[nOffset] = 0;
5382 4 : nOffset ++;
5383 4 : abyAPP6[nOffset] = 0;
5384 4 : nOffset ++;
5385 :
5386 4 : CPLAssert(nOffset == sizeof(abyAPP6));
5387 :
5388 : /* -------------------------------------------------------------------- */
5389 : /* Prepare block map if necessary */
5390 : /* -------------------------------------------------------------------- */
5391 :
5392 4 : VSIFSeekL( fp, nStartOffset, SEEK_SET );
5393 :
5394 4 : const char* pszIC = CSLFetchNameValue( papszOptions, "IC" );
5395 4 : GUInt32 nIMDATOFF = 0;
5396 4 : if (EQUAL(pszIC, "M3"))
5397 : {
5398 : GUInt32 nIMDATOFF_MSB;
5399 : GUInt16 nBMRLNTH, nTMRLNTH, nTPXCDLNTH;
5400 :
5401 : /* Prepare the block map */
5402 : #define BLOCKMAP_HEADER_SIZE (4 + 2 + 2 + 2)
5403 1 : nIMDATOFF_MSB = nIMDATOFF = BLOCKMAP_HEADER_SIZE + nNBPC * nNBPR * 4;
5404 1 : nBMRLNTH = 4;
5405 1 : nTMRLNTH = 0;
5406 1 : nTPXCDLNTH = 0;
5407 :
5408 1 : CPL_MSBPTR32( &nIMDATOFF_MSB );
5409 1 : CPL_MSBPTR16( &nBMRLNTH );
5410 1 : CPL_MSBPTR16( &nTMRLNTH );
5411 1 : CPL_MSBPTR16( &nTPXCDLNTH );
5412 :
5413 1 : VSIFWriteL( &nIMDATOFF_MSB, 1, 4, fp );
5414 1 : VSIFWriteL( &nBMRLNTH, 1, 2, fp );
5415 1 : VSIFWriteL( &nTMRLNTH, 1, 2, fp );
5416 1 : VSIFWriteL( &nTPXCDLNTH, 1, 2, fp );
5417 :
5418 : /* Reserve space for the table itself */
5419 1 : VSIFSeekL( fp, nNBPC * nNBPR * 4, SEEK_CUR );
5420 : }
5421 :
5422 : /* -------------------------------------------------------------------- */
5423 : /* Copy each block */
5424 : /* -------------------------------------------------------------------- */
5425 : int nBlockXOff, nBlockYOff;
5426 10 : for(nBlockYOff=0;nBlockYOff<nNBPC;nBlockYOff++)
5427 : {
5428 16 : for(nBlockXOff=0;nBlockXOff<nNBPR;nBlockXOff++)
5429 : {
5430 : /*CPLDebug("NITF", "nBlockXOff=%d/%d, nBlockYOff=%d/%d",
5431 : nBlockXOff, nNBPR, nBlockYOff, nNBPC);*/
5432 10 : if (EQUAL(pszIC, "M3"))
5433 : {
5434 : /* Write block offset for current block */
5435 :
5436 4 : GUIntBig nCurPos = VSIFTellL(fp);
5437 4 : VSIFSeekL( fp, nStartOffset + BLOCKMAP_HEADER_SIZE + 4 * (nBlockYOff * nNBPR + nBlockXOff), SEEK_SET );
5438 4 : GUIntBig nBlockOffset = nCurPos - nStartOffset - nIMDATOFF;
5439 4 : GUInt32 nBlockOffset32 = (GUInt32)nBlockOffset;
5440 4 : if (nBlockOffset == (GUIntBig)nBlockOffset32)
5441 : {
5442 4 : CPL_MSBPTR32( &nBlockOffset32 );
5443 4 : VSIFWriteL( &nBlockOffset32, 1, 4, fp );
5444 : }
5445 : else
5446 : {
5447 : CPLError(CE_Failure, CPLE_AppDefined,
5448 : "Offset for block (%d, %d) = " CPL_FRMT_GUIB ". Cannot fit into 32 bits...",
5449 0 : nBlockXOff, nBlockYOff, nBlockOffset);
5450 :
5451 0 : nBlockOffset32 = 0xffffffff;
5452 : int i;
5453 0 : for(i=nBlockYOff * nNBPR + nBlockXOff; i < nNBPC * nNBPR; i++)
5454 : {
5455 0 : VSIFWriteL( &nBlockOffset32, 1, 4, fp );
5456 : }
5457 0 : return FALSE;
5458 : }
5459 4 : VSIFSeekL( fp, nCurPos, SEEK_SET );
5460 : }
5461 :
5462 10 : if (!NITFWriteJPEGBlock(poSrcDS, fp,
5463 : nBlockXOff, nBlockYOff,
5464 : nNPPBH, nNPPBV,
5465 : bProgressive, nQuality,
5466 : (nBlockXOff == 0 && nBlockYOff == 0) ? abyAPP6 : NULL,
5467 : nRestartInterval,
5468 : pfnProgress, pProgressData))
5469 : {
5470 0 : return FALSE;
5471 : }
5472 : }
5473 : }
5474 4 : return TRUE;
5475 : }
5476 :
5477 : #endif /* def JPEG_SUPPORTED */
5478 :
5479 : /************************************************************************/
5480 : /* GDALRegister_NITF() */
5481 : /************************************************************************/
5482 :
5483 : typedef struct
5484 : {
5485 : int nMaxLen;
5486 : const char* pszName;
5487 : const char* pszDescription;
5488 : } NITFFieldDescription;
5489 :
5490 : /* Keep in sync with NITFCreate */
5491 : static const NITFFieldDescription asFieldDescription [] =
5492 : {
5493 : { 2, "CLEVEL", "Complexity level" } ,
5494 : { 10, "OSTAID", "Originating Station ID" } ,
5495 : { 14, "FDT", "File Date and Time" } ,
5496 : { 80, "FTITLE", "File Title" } ,
5497 : { 1, "FSCLAS", "File Security Classification" } ,
5498 : { 2, "FSCLSY", "File Classification Security System" } ,
5499 : { 11, "FSCODE", "File Codewords" } ,
5500 : { 2, "FSCTLH", "File Control and Handling" } ,
5501 : { 20, "FSREL", "File Releasing Instructions" } ,
5502 : { 2, "FSDCTP", "File Declassification Type" } ,
5503 : { 8, "FSDCDT", "File Declassification Date" } ,
5504 : { 4, "FSDCXM", "File Declassification Exemption" } ,
5505 : { 1, "FSDG", "File Downgrade" } ,
5506 : { 8, "FSDGDT", "File Downgrade Date" } ,
5507 : { 43, "FSCLTX", "File Classification Text" } ,
5508 : { 1, "FSCATP", "File Classification Authority Type" } ,
5509 : { 40, "FSCAUT", "File Classification Authority" } ,
5510 : { 1, "FSCRSN", "File Classification Reason" } ,
5511 : { 8, "FSSRDT", "File Security Source Date" } ,
5512 : { 15, "FSCTLN", "File Security Control Number" } ,
5513 : { 5, "FSCOP", "File Copy Number" } ,
5514 : { 5, "FSCPYS", "File Number of Copies" } ,
5515 : { 24, "ONAME", "Originator Name" } ,
5516 : { 18, "OPHONE", "Originator Phone Number" } ,
5517 : { 10, "IID1", "Image Identifier 1" } ,
5518 : { 14, "IDATIM", "Image Date and Time" } ,
5519 : { 17, "TGTID", "Target Identifier" } ,
5520 : { 80, "IID2", "Image Identifier 2" } ,
5521 : { 1, "ISCLAS", "Image Security Classification" } ,
5522 : { 2, "ISCLSY", "Image Classification Security System" } ,
5523 : { 11, "ISCODE", "Image Codewords" } ,
5524 : { 2, "ISCTLH", "Image Control and Handling" } ,
5525 : { 20, "ISREL", "Image Releasing Instructions" } ,
5526 : { 2, "ISDCTP", "Image Declassification Type" } ,
5527 : { 8, "ISDCDT", "Image Declassification Date" } ,
5528 : { 4, "ISDCXM", "Image Declassification Exemption" } ,
5529 : { 1, "ISDG", "Image Downgrade" } ,
5530 : { 8, "ISDGDT", "Image Downgrade Date" } ,
5531 : { 43, "ISCLTX", "Image Classification Text" } ,
5532 : { 1, "ISCATP", "Image Classification Authority Type" } ,
5533 : { 40, "ISCAUT", "Image Classification Authority" } ,
5534 : { 1, "ISCRSN", "Image Classification Reason" } ,
5535 : { 8, "ISSRDT", "Image Security Source Date" } ,
5536 : { 15, "ISCTLN", "Image Security Control Number" } ,
5537 : { 42, "ISORCE", "Image Source" } ,
5538 : { 8, "ICAT", "Image Category" } ,
5539 : { 2, "ABPP", "Actual Bits-Per-Pixel Per Band" } ,
5540 : { 1, "PJUST", "Pixel Justification" } ,
5541 : {780, "ICOM", "Image Comments (up to 9x80 characters)" } ,
5542 : };
5543 :
5544 : /* Keep in sync with NITFWriteBLOCKA */
5545 : static const char *apszFieldsBLOCKA[] = {
5546 : "BLOCK_INSTANCE", "0", "2",
5547 : "N_GRAY", "2", "5",
5548 : "L_LINES", "7", "5",
5549 : "LAYOVER_ANGLE", "12", "3",
5550 : "SHADOW_ANGLE", "15", "3",
5551 : "BLANKS", "18", "16",
5552 : "FRLC_LOC", "34", "21",
5553 : "LRLC_LOC", "55", "21",
5554 : "LRFC_LOC", "76", "21",
5555 : "FRFC_LOC", "97", "21",
5556 : NULL, NULL, NULL };
5557 :
5558 582 : void GDALRegister_NITF()
5559 :
5560 : {
5561 : GDALDriver *poDriver;
5562 :
5563 582 : if( GDALGetDriverByName( "NITF" ) == NULL )
5564 : {
5565 : unsigned int i;
5566 561 : CPLString osCreationOptions;
5567 :
5568 : osCreationOptions =
5569 : "<CreationOptionList>"
5570 : " <Option name='IC' type='string-select' default='NC' description='Compression mode. NC=no compression. "
5571 : #ifdef JPEG_SUPPORTED
5572 : "C3/M3=JPEG compression. "
5573 : #endif
5574 : "C8=JP2 compression through the JP2ECW driver"
5575 : "'>"
5576 : " <Value>NC</Value>"
5577 : #ifdef JPEG_SUPPORTED
5578 : " <Value>C3</Value>"
5579 : " <Value>M3</Value>"
5580 : #endif
5581 : " <Value>C8</Value>"
5582 : " </Option>"
5583 : #ifdef JPEG_SUPPORTED
5584 : " <Option name='QUALITY' type='int' description='JPEG quality 10-100' default='75'/>"
5585 : " <Option name='PROGRESSIVE' type='boolean' description='JPEG progressive mode'/>"
5586 : " <Option name='RESTART_INTERVAL' type='int' description='Restart interval (in MCUs). -1 for auto, 0 for none, > 0 for user specified' default='-1'/>"
5587 : #endif
5588 : " <Option name='NUMI' type='int' default='1' description='Number of images to create (1-999). Only works with IC=NC'/>"
5589 : " <Option name='TARGET' type='float' description='For JP2 only. Compression Percentage'/>"
5590 : " <Option name='PROFILE' type='string-select' description='For JP2 only.'>"
5591 : " <Value>BASELINE_0</Value>"
5592 : " <Value>BASELINE_1</Value>"
5593 : " <Value>BASELINE_2</Value>"
5594 : " <Value>NPJE</Value>"
5595 : " <Value>EPJE</Value>"
5596 : " </Option>"
5597 : " <Option name='ICORDS' type='string-select' description='To ensure that space will be reserved for geographic corner coordinates in DMS (G), in decimal degrees (D), UTM North (N) or UTM South (S)'>"
5598 : " <Value>G</Value>"
5599 : " <Value>D</Value>"
5600 : " <Value>N</Value>"
5601 : " <Value>S</Value>"
5602 : " </Option>"
5603 : " <Option name='FHDR' type='string-select' description='File version' default='NITF02.10'>"
5604 : " <Value>NITF02.10</Value>"
5605 : " <Value>NSIF01.00</Value>"
5606 : " </Option>"
5607 : " <Option name='IREP' type='string' description='Set to RGB/LUT to reserve space for a color table for each output band. (Only needed for Create() method, not CreateCopy())'/>"
5608 : " <Option name='IREPBAND' type='string' description='Comma separated list of band IREPBANDs in band order'/>"
5609 : " <Option name='ISUBCAT' type='string' description='Comma separated list of band ISUBCATs in band order'/>"
5610 : " <Option name='LUT_SIZE' type='integer' description='Set to control the size of pseudocolor tables for RGB/LUT bands' default='256'/>"
5611 : " <Option name='BLOCKXSIZE' type='int' description='Set the block width'/>"
5612 : " <Option name='BLOCKYSIZE' type='int' description='Set the block height'/>"
5613 : " <Option name='BLOCKSIZE' type='int' description='Set the block with and height. Overridden by BLOCKXSIZE and BLOCKYSIZE'/>"
5614 : " <Option name='TEXT' type='string' description='TEXT options as text-option-name=text-option-content'/>"
5615 561 : " <Option name='CGM' type='string' description='CGM options in cgm-option-name=cgm-option-content'/>";
5616 :
5617 28050 : for(i=0;i<sizeof(asFieldDescription) / sizeof(asFieldDescription[0]); i++)
5618 : {
5619 : osCreationOptions += CPLString().Printf(" <Option name='%s' type='string' description='%s' maxsize='%d'/>",
5620 27489 : asFieldDescription[i].pszName, asFieldDescription[i].pszDescription, asFieldDescription[i].nMaxLen);
5621 : }
5622 :
5623 : osCreationOptions +=
5624 : " <Option name='TRE' type='string' description='Under the format TRE=tre-name,tre-contents'/>"
5625 : " <Option name='FILE_TRE' type='string' description='Under the format FILE_TRE=tre-name,tre-contents'/>"
5626 561 : " <Option name='BLOCKA_BLOCK_COUNT' type='int'/>";
5627 :
5628 6171 : for(i=0; apszFieldsBLOCKA[i] != NULL; i+=3)
5629 : {
5630 : char szFieldDescription[128];
5631 : sprintf(szFieldDescription, " <Option name='BLOCKA_%s_*' type='string' maxsize='%d'/>",
5632 5610 : apszFieldsBLOCKA[i], atoi(apszFieldsBLOCKA[i+2]));
5633 5610 : osCreationOptions += szFieldDescription;
5634 : }
5635 : osCreationOptions +=
5636 561 : " <Option name='SDE_TRE' type='boolean' description='Write GEOLOB and GEOPSB TREs (only geographic SRS for now)' default='NO'/>";
5637 561 : osCreationOptions += "</CreationOptionList>";
5638 :
5639 561 : poDriver = new GDALDriver();
5640 :
5641 561 : poDriver->SetDescription( "NITF" );
5642 : poDriver->SetMetadataItem( GDAL_DMD_LONGNAME,
5643 561 : "National Imagery Transmission Format" );
5644 :
5645 561 : poDriver->pfnIdentify = NITFDataset::Identify;
5646 561 : poDriver->pfnOpen = NITFDataset::Open;
5647 561 : poDriver->pfnCreate = NITFDataset::NITFDatasetCreate;
5648 561 : poDriver->pfnCreateCopy = NITFDataset::NITFCreateCopy;
5649 :
5650 561 : poDriver->SetMetadataItem( GDAL_DMD_HELPTOPIC, "frmt_nitf.html" );
5651 561 : poDriver->SetMetadataItem( GDAL_DMD_EXTENSION, "ntf" );
5652 : poDriver->SetMetadataItem( GDAL_DMD_CREATIONDATATYPES,
5653 561 : "Byte UInt16 Int16 UInt32 Int32 Float32" );
5654 :
5655 561 : poDriver->SetMetadataItem( GDAL_DMD_CREATIONOPTIONLIST, osCreationOptions);
5656 561 : poDriver->SetMetadataItem( GDAL_DCAP_VIRTUALIO, "YES" );
5657 :
5658 561 : GetGDALDriverManager()->RegisterDriver( poDriver );
5659 : }
5660 582 : }
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