1 : /******************************************************************************
2 : * $Id: nitfdataset.cpp 23491 2011-12-07 20:48:18Z 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 23491 2011-12-07 20:48:18Z 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 :
65 549 : NITFDataset::NITFDataset()
66 :
67 : {
68 549 : psFile = NULL;
69 549 : psImage = NULL;
70 549 : bGotGeoTransform = FALSE;
71 549 : pszProjection = CPLStrdup("");
72 549 : poJ2KDataset = NULL;
73 549 : bJP2Writing = FALSE;
74 549 : poJPEGDataset = NULL;
75 :
76 549 : panJPEGBlockOffset = NULL;
77 549 : pabyJPEGBlock = NULL;
78 549 : nQLevel = 0;
79 :
80 549 : nGCPCount = 0;
81 549 : pasGCPList = NULL;
82 549 : pszGCPProjection = NULL;
83 :
84 549 : adfGeoTransform[0] = 0.0;
85 549 : adfGeoTransform[1] = 1.0;
86 549 : adfGeoTransform[2] = 0.0;
87 549 : adfGeoTransform[3] = 0.0;
88 549 : adfGeoTransform[4] = 0.0;
89 549 : adfGeoTransform[5] = 1.0;
90 :
91 549 : poDriver = (GDALDriver*) GDALGetDriverByName("NITF");
92 :
93 549 : papszTextMDToWrite = NULL;
94 549 : papszCgmMDToWrite = NULL;
95 :
96 549 : bInLoadXML = FALSE;
97 549 : }
98 :
99 : /************************************************************************/
100 : /* ~NITFDataset() */
101 : /************************************************************************/
102 :
103 549 : NITFDataset::~NITFDataset()
104 :
105 : {
106 549 : CloseDependentDatasets();
107 :
108 : /* -------------------------------------------------------------------- */
109 : /* Free datastructures. */
110 : /* -------------------------------------------------------------------- */
111 549 : CPLFree( pszProjection );
112 :
113 549 : GDALDeinitGCPs( nGCPCount, pasGCPList );
114 549 : CPLFree( pasGCPList );
115 549 : CPLFree( pszGCPProjection );
116 :
117 549 : CPLFree( panJPEGBlockOffset );
118 549 : CPLFree( pabyJPEGBlock );
119 549 : }
120 :
121 : /************************************************************************/
122 : /* CloseDependentDatasets() */
123 : /************************************************************************/
124 :
125 549 : int NITFDataset::CloseDependentDatasets()
126 : {
127 549 : FlushCache();
128 :
129 549 : int bHasDroppedRef = GDALPamDataset::CloseDependentDatasets();
130 :
131 : /* -------------------------------------------------------------------- */
132 : /* If we have been writing to a JPEG2000 file, check if the */
133 : /* color interpretations were set. If so, apply the settings */
134 : /* to the NITF file. */
135 : /* -------------------------------------------------------------------- */
136 549 : if( poJ2KDataset != NULL && bJP2Writing )
137 : {
138 : int i;
139 :
140 4 : for( i = 0; i < nBands && papoBands != NULL; i++ )
141 : {
142 3 : if( papoBands[i]->GetColorInterpretation() != GCI_Undefined )
143 : NITFSetColorInterpretation( psImage, i+1,
144 3 : papoBands[i]->GetColorInterpretation() );
145 : }
146 : }
147 :
148 : /* -------------------------------------------------------------------- */
149 : /* Close the underlying NITF file. */
150 : /* -------------------------------------------------------------------- */
151 549 : GUIntBig nImageStart = 0;
152 549 : if( psFile != NULL )
153 : {
154 549 : if (psFile->nSegmentCount > 0)
155 549 : nImageStart = psFile->pasSegmentInfo[0].nSegmentStart;
156 :
157 549 : NITFClose( psFile );
158 549 : psFile = NULL;
159 : }
160 :
161 : /* -------------------------------------------------------------------- */
162 : /* If we have a jpeg2000 output file, make sure it gets closed */
163 : /* and flushed out. */
164 : /* -------------------------------------------------------------------- */
165 549 : if( poJ2KDataset != NULL )
166 : {
167 23 : GDALClose( (GDALDatasetH) poJ2KDataset );
168 23 : poJ2KDataset = NULL;
169 23 : bHasDroppedRef = TRUE;
170 : }
171 :
172 : /* -------------------------------------------------------------------- */
173 : /* Update file length, and COMRAT for JPEG2000 files we are */
174 : /* writing to. */
175 : /* -------------------------------------------------------------------- */
176 549 : if( bJP2Writing )
177 : {
178 : GIntBig nPixelCount = nRasterXSize * ((GIntBig) nRasterYSize) *
179 1 : nBands;
180 :
181 1 : NITFPatchImageLength( GetDescription(), nImageStart, nPixelCount,
182 2 : "C8" );
183 : }
184 :
185 549 : bJP2Writing = FALSE;
186 :
187 : /* -------------------------------------------------------------------- */
188 : /* If we have a jpeg output file, make sure it gets closed */
189 : /* and flushed out. */
190 : /* -------------------------------------------------------------------- */
191 549 : if( poJPEGDataset != NULL )
192 : {
193 13 : GDALClose( (GDALDatasetH) poJPEGDataset );
194 13 : poJPEGDataset = NULL;
195 13 : bHasDroppedRef = TRUE;
196 : }
197 :
198 : /* -------------------------------------------------------------------- */
199 : /* If the dataset was opened by Create(), we may need to write */
200 : /* the CGM and TEXT segments */
201 : /* -------------------------------------------------------------------- */
202 549 : NITFWriteCGMSegments( GetDescription(), papszCgmMDToWrite );
203 549 : NITFWriteTextSegments( GetDescription(), papszTextMDToWrite );
204 :
205 549 : CSLDestroy(papszTextMDToWrite);
206 549 : papszTextMDToWrite = NULL;
207 549 : CSLDestroy(papszCgmMDToWrite);
208 549 : papszCgmMDToWrite = NULL;
209 :
210 : /* -------------------------------------------------------------------- */
211 : /* Destroy the raster bands if they exist. */
212 : /* We must do it now since the rasterbands can be NITFWrapperRasterBand */
213 : /* that derive from the GDALProxyRasterBand object, which keeps */
214 : /* a reference on the JPEG/JP2K dataset, so any later call to */
215 : /* FlushCache() would result in FlushCache() being called on a */
216 : /* already destroyed object */
217 : /* -------------------------------------------------------------------- */
218 211319 : for( int iBand = 0; iBand < nBands; iBand++ )
219 : {
220 210770 : delete papoBands[iBand];
221 : }
222 549 : nBands = 0;
223 :
224 549 : return bHasDroppedRef;
225 : }
226 :
227 : /************************************************************************/
228 : /* FlushCache() */
229 : /************************************************************************/
230 :
231 549 : void NITFDataset::FlushCache()
232 :
233 : {
234 : // If the JPEG/JP2K dataset has dirty pam info, then we should consider
235 : // ourselves to as well.
236 549 : if( poJPEGDataset != NULL
237 : && (poJPEGDataset->GetPamFlags() & GPF_DIRTY) )
238 3 : MarkPamDirty();
239 549 : if( poJ2KDataset != NULL
240 : && (poJ2KDataset->GetPamFlags() & GPF_DIRTY) )
241 1 : MarkPamDirty();
242 :
243 549 : if( poJ2KDataset != NULL && bJP2Writing)
244 1 : poJ2KDataset->FlushCache();
245 :
246 549 : GDALPamDataset::FlushCache();
247 549 : }
248 :
249 : #ifdef ESRI_BUILD
250 :
251 : /************************************************************************/
252 : /* ExtractEsriMD() */
253 : /* */
254 : /* Extracts ESRI-specific required meta data from metadata */
255 : /* string list papszStrList. */
256 : /************************************************************************/
257 :
258 : static char **ExtractEsriMD( char **papszMD )
259 : {
260 : char **papszEsriMD = NULL;
261 :
262 : if( papszMD )
263 : {
264 : // These are the current generic ESRI metadata.
265 : const char *const pEsriMDAcquisitionDate = "ESRI_MD_ACQUISITION_DATE";
266 : const char *const pEsriMDAngleToNorth = "ESRI_MD_ANGLE_TO_NORTH";
267 : const char *const pEsriMDCircularError = "ESRI_MD_CE";
268 : const char *const pEsriMDDataType = "ESRI_MD_DATA_TYPE";
269 : const char *const pEsriMDIsCloudCover = "ESRI_MD_ISCLOUDCOVER";
270 : const char *const pEsriMDLinearError = "ESRI_MD_LE";
271 : const char *const pEsriMDOffNaDir = "ESRI_MD_OFF_NADIR";
272 : const char *const pEsriMDPercentCloudCover = "ESRI_MD_PERCENT_CLOUD_COVER";
273 : const char *const pEsriMDProductName = "ESRI_MD_PRODUCT_NAME";
274 : const char *const pEsriMDSensorAzimuth = "ESRI_MD_SENSOR_AZIMUTH";
275 : const char *const pEsriMDSensorElevation = "ESRI_MD_SENSOR_ELEVATION";
276 : const char *const pEsriMDSensorName = "ESRI_MD_SENSOR_NAME";
277 : const char *const pEsriMDSunAzimuth = "ESRI_MD_SUN_AZIMUTH";
278 : const char *const pEsriMDSunElevation = "ESRI_MD_SUN_ELEVATION";
279 :
280 : char szField[11];
281 : const char *pCCImageSegment = CSLFetchNameValue( papszMD, "NITF_IID1" );
282 : std::string ccSegment("false");
283 :
284 : if( ( pCCImageSegment != NULL ) && ( strlen(pCCImageSegment) <= 10 ) )
285 : {
286 : szField[0] = '\0';
287 : strncpy( szField, pCCImageSegment, strlen(pCCImageSegment) );
288 : szField[strlen(pCCImageSegment)] = '\0';
289 :
290 : // Trim white off tag.
291 : while( ( strlen(szField) > 0 ) && ( szField[strlen(szField)-1] == ' ' ) )
292 : szField[strlen(szField)-1] = '\0';
293 :
294 : if ((strlen(szField) == 2) && (EQUALN(szField, "CC", 2))) ccSegment.assign("true");
295 : }
296 :
297 : const char *pAcquisitionDate = CSLFetchNameValue( papszMD, "NITF_FDT" );
298 : const char *pAngleToNorth = CSLFetchNameValue( papszMD, "NITF_CSEXRA_ANGLE_TO_NORTH" );
299 : const char *pCircularError = CSLFetchNameValue( papszMD, "NITF_CSEXRA_CIRCL_ERR" ); // Unit in feet.
300 : const char *pLinearError = CSLFetchNameValue( papszMD, "NITF_CSEXRA_LINEAR_ERR" ); // Unit in feet.
301 : const char *pPercentCloudCover = CSLFetchNameValue( papszMD, "NITF_PIAIMC_CLOUDCVR" );
302 : const char *pProductName = CSLFetchNameValue( papszMD, "NITF_CSDIDA_PRODUCT_ID" );
303 : const char *pSensorName = CSLFetchNameValue( papszMD, "NITF_PIAIMC_SENSNAME" );
304 : const char *pSunAzimuth = CSLFetchNameValue( papszMD, "NITF_CSEXRA_SUN_AZIMUTH" );
305 : const char *pSunElevation = CSLFetchNameValue( papszMD, "NITF_CSEXRA_SUN_ELEVATION" );
306 :
307 : // Get ESRI_MD_DATA_TYPE.
308 : const char *pDataType = NULL;
309 : const char *pImgSegFieldICAT = CSLFetchNameValue( papszMD, "NITF_ICAT" );
310 :
311 : if( ( pImgSegFieldICAT != NULL ) && ( EQUALN(pImgSegFieldICAT, "DTEM", 4) ) )
312 : pDataType = "Elevation";
313 : else
314 : pDataType = "Generic";
315 :
316 : if( pAngleToNorth == NULL )
317 : pAngleToNorth = CSLFetchNameValue( papszMD, "NITF_USE00A_ANGLE_TO_NORTH" );
318 :
319 : // Percent cloud cover == 999 means that the information is not available.
320 : if( (pPercentCloudCover != NULL) && (EQUALN(pPercentCloudCover, "999", 3)) )
321 : pPercentCloudCover = NULL;
322 :
323 : pAngleToNorth = CSLFetchNameValue( papszMD, "NITF_USE00A_ANGLE_TO_NORTH" );
324 :
325 : if( pSunAzimuth == NULL )
326 : pSunAzimuth = CSLFetchNameValue( papszMD, "NITF_USE00A_SUN_AZ" );
327 :
328 : if( pSunElevation == NULL )
329 : pSunElevation = CSLFetchNameValue( papszMD, "NITF_USE00A_SUN_EL" );
330 :
331 : // CSLAddNameValue will not add the key/value pair if the value is NULL.
332 : papszEsriMD = CSLAddNameValue( papszEsriMD, pEsriMDAcquisitionDate, pAcquisitionDate );
333 : papszEsriMD = CSLAddNameValue( papszEsriMD, pEsriMDAngleToNorth, pAngleToNorth );
334 : papszEsriMD = CSLAddNameValue( papszEsriMD, pEsriMDCircularError, pCircularError );
335 : papszEsriMD = CSLAddNameValue( papszEsriMD, pEsriMDDataType, pDataType );
336 : papszEsriMD = CSLAddNameValue( papszEsriMD, pEsriMDIsCloudCover, ccSegment.c_str() );
337 : papszEsriMD = CSLAddNameValue( papszEsriMD, pEsriMDLinearError, pLinearError );
338 : papszEsriMD = CSLAddNameValue( papszEsriMD, pEsriMDProductName, pProductName );
339 : papszEsriMD = CSLAddNameValue( papszEsriMD, pEsriMDPercentCloudCover, pPercentCloudCover );
340 : papszEsriMD = CSLAddNameValue( papszEsriMD, pEsriMDSensorName, pSensorName );
341 : papszEsriMD = CSLAddNameValue( papszEsriMD, pEsriMDSunAzimuth, pSunAzimuth );
342 : papszEsriMD = CSLAddNameValue( papszEsriMD, pEsriMDSunElevation, pSunElevation );
343 : }
344 :
345 : return (papszEsriMD);
346 : }
347 :
348 : /************************************************************************/
349 : /* SetBandMetadata() */
350 : /************************************************************************/
351 :
352 : static void SetBandMetadata( NITFImage *psImage, GDALRasterBand *poBand, int nBand )
353 : {
354 : if( (psImage != NULL) && (poBand != NULL) && (nBand > 0) )
355 : {
356 : NITFBandInfo *psBandInfo = psImage->pasBandInfo + nBand - 1;
357 :
358 : if( psBandInfo != NULL )
359 : {
360 : // Set metadata BandName, WavelengthMax and WavelengthMin.
361 :
362 : if ( psBandInfo->szIREPBAND != NULL )
363 : {
364 : if( EQUAL(psBandInfo->szIREPBAND,"B") )
365 : {
366 : poBand->SetMetadataItem( "BandName", "Blue" );
367 : poBand->SetMetadataItem( "WavelengthMax", psBandInfo->szISUBCAT );
368 : poBand->SetMetadataItem( "WavelengthMin", psBandInfo->szISUBCAT );
369 : }
370 : else if( EQUAL(psBandInfo->szIREPBAND,"G") )
371 : {
372 : poBand->SetMetadataItem( "BandName", "Green" );
373 : poBand->SetMetadataItem( "WavelengthMax", psBandInfo->szISUBCAT );
374 : poBand->SetMetadataItem( "WavelengthMin", psBandInfo->szISUBCAT );
375 : }
376 : else if( EQUAL(psBandInfo->szIREPBAND,"R") )
377 : {
378 : poBand->SetMetadataItem( "BandName", "Red" );
379 : poBand->SetMetadataItem( "WavelengthMax", psBandInfo->szISUBCAT );
380 : poBand->SetMetadataItem( "WavelengthMin", psBandInfo->szISUBCAT );
381 : }
382 : else if( EQUAL(psBandInfo->szIREPBAND,"N") )
383 : {
384 : poBand->SetMetadataItem( "BandName", "NearInfrared" );
385 : poBand->SetMetadataItem( "WavelengthMax", psBandInfo->szISUBCAT );
386 : poBand->SetMetadataItem( "WavelengthMin", psBandInfo->szISUBCAT );
387 : }
388 : else if( ( EQUAL(psBandInfo->szIREPBAND,"M") ) || ( ( psImage->szIREP != NULL ) && ( EQUAL(psImage->szIREP,"MONO") ) ) )
389 : {
390 : poBand->SetMetadataItem( "BandName", "Panchromatic" );
391 : }
392 : else
393 : {
394 : if( ( psImage->szICAT != NULL ) && ( EQUAL(psImage->szICAT,"IR") ) )
395 : {
396 : poBand->SetMetadataItem( "BandName", "Infrared" );
397 : poBand->SetMetadataItem( "WavelengthMax", psBandInfo->szISUBCAT );
398 : poBand->SetMetadataItem( "WavelengthMin", psBandInfo->szISUBCAT );
399 : }
400 : }
401 : }
402 : }
403 : }
404 : }
405 :
406 : #endif /* def ESRI_BUILD */
407 :
408 : /************************************************************************/
409 : /* Identify() */
410 : /************************************************************************/
411 :
412 13940 : int NITFDataset::Identify( GDALOpenInfo * poOpenInfo )
413 :
414 : {
415 13940 : const char *pszFilename = poOpenInfo->pszFilename;
416 :
417 : /* -------------------------------------------------------------------- */
418 : /* Is this a dataset selector? If so, it is obviously NITF. */
419 : /* -------------------------------------------------------------------- */
420 13940 : if( EQUALN(pszFilename, "NITF_IM:",8) )
421 13 : return TRUE;
422 :
423 : /* -------------------------------------------------------------------- */
424 : /* Avoid that on Windows, JPEG_SUBFILE:x,y,z,data/../tmp/foo.ntf */
425 : /* to be recognized by the NITF driver, because */
426 : /* 'JPEG_SUBFILE:x,y,z,data' is considered as a (valid) directory */
427 : /* and thus the whole filename is evaluated as tmp/foo.ntf */
428 : /* -------------------------------------------------------------------- */
429 13927 : if( EQUALN(pszFilename,"JPEG_SUBFILE:",13) )
430 64 : return FALSE;
431 :
432 : /* -------------------------------------------------------------------- */
433 : /* First we check to see if the file has the expected header */
434 : /* bytes. */
435 : /* -------------------------------------------------------------------- */
436 13863 : if( poOpenInfo->nHeaderBytes < 4 )
437 10899 : return FALSE;
438 :
439 2964 : if( !EQUALN((char *) poOpenInfo->pabyHeader,"NITF",4)
440 : && !EQUALN((char *) poOpenInfo->pabyHeader,"NSIF",4)
441 : && !EQUALN((char *) poOpenInfo->pabyHeader,"NITF",4) )
442 2331 : return FALSE;
443 :
444 : int i;
445 : /* Check that it's not in fact a NITF A.TOC file, which is handled by the RPFTOC driver */
446 581408 : for(i=0;i<(int)poOpenInfo->nHeaderBytes-(int)strlen("A.TOC");i++)
447 : {
448 580775 : if (EQUALN((const char*)poOpenInfo->pabyHeader + i, "A.TOC", strlen("A.TOC")))
449 0 : return FALSE;
450 : }
451 :
452 633 : return TRUE;
453 : }
454 :
455 : /************************************************************************/
456 : /* Open() */
457 : /************************************************************************/
458 :
459 4437 : GDALDataset *NITFDataset::Open( GDALOpenInfo * poOpenInfo )
460 : {
461 4437 : return OpenInternal(poOpenInfo, NULL, FALSE);
462 : }
463 :
464 4595 : GDALDataset *NITFDataset::OpenInternal( GDALOpenInfo * poOpenInfo,
465 : GDALDataset *poWritableJ2KDataset,
466 : int bOpenForCreate)
467 :
468 : {
469 4595 : int nIMIndex = -1;
470 4595 : const char *pszFilename = poOpenInfo->pszFilename;
471 :
472 4595 : if( !Identify( poOpenInfo ) )
473 4014 : return NULL;
474 :
475 : /* -------------------------------------------------------------------- */
476 : /* Select a specific subdataset. */
477 : /* -------------------------------------------------------------------- */
478 581 : if( EQUALN(pszFilename, "NITF_IM:",8) )
479 : {
480 13 : pszFilename += 8;
481 13 : nIMIndex = atoi(pszFilename);
482 :
483 43 : while( *pszFilename != '\0' && *pszFilename != ':' )
484 17 : pszFilename++;
485 :
486 13 : if( *pszFilename == ':' )
487 13 : pszFilename++;
488 : }
489 :
490 : /* -------------------------------------------------------------------- */
491 : /* Open the file with library. */
492 : /* -------------------------------------------------------------------- */
493 : NITFFile *psFile;
494 :
495 581 : psFile = NITFOpen( pszFilename, poOpenInfo->eAccess == GA_Update );
496 581 : if( psFile == NULL )
497 : {
498 13 : return NULL;
499 : }
500 :
501 568 : if (!bOpenForCreate)
502 : {
503 410 : NITFCollectAttachments( psFile );
504 410 : NITFReconcileAttachments( psFile );
505 : }
506 :
507 : /* -------------------------------------------------------------------- */
508 : /* Is there an image to operate on? */
509 : /* -------------------------------------------------------------------- */
510 568 : int iSegment, nThisIM = 0;
511 568 : NITFImage *psImage = NULL;
512 :
513 2593 : for( iSegment = 0; iSegment < psFile->nSegmentCount; iSegment++ )
514 : {
515 2590 : if( EQUAL(psFile->pasSegmentInfo[iSegment].szSegmentType,"IM")
516 : && (nThisIM++ == nIMIndex || nIMIndex == -1) )
517 : {
518 565 : psImage = NITFImageAccess( psFile, iSegment );
519 565 : if( psImage == NULL )
520 : {
521 19 : NITFClose( psFile );
522 19 : return NULL;
523 : }
524 546 : break;
525 : }
526 : }
527 :
528 : /* -------------------------------------------------------------------- */
529 : /* If no image segments found report this to the user. */
530 : /* -------------------------------------------------------------------- */
531 549 : if( psImage == NULL )
532 : {
533 : CPLError( CE_Warning, CPLE_AppDefined,
534 : "The file %s appears to be an NITF file, but no image\n"
535 : "blocks were found on it.",
536 3 : poOpenInfo->pszFilename );
537 : }
538 :
539 : /* -------------------------------------------------------------------- */
540 : /* Create a corresponding GDALDataset. */
541 : /* -------------------------------------------------------------------- */
542 : NITFDataset *poDS;
543 :
544 549 : poDS = new NITFDataset();
545 :
546 549 : poDS->psFile = psFile;
547 549 : poDS->psImage = psImage;
548 549 : poDS->eAccess = poOpenInfo->eAccess;
549 1098 : poDS->osNITFFilename = pszFilename;
550 549 : poDS->nIMIndex = nIMIndex;
551 :
552 549 : if( psImage )
553 : {
554 546 : if (psImage->nCols <= 0 || psImage->nRows <= 0 ||
555 : psImage->nBlockWidth <= 0 || psImage->nBlockHeight <= 0)
556 : {
557 : CPLError( CE_Failure, CPLE_AppDefined,
558 : "Bad values in NITF image : nCols=%d, nRows=%d, nBlockWidth=%d, nBlockHeight=%d",
559 0 : psImage->nCols, psImage->nRows, psImage->nBlockWidth, psImage->nBlockHeight);
560 0 : delete poDS;
561 0 : return NULL;
562 : }
563 :
564 546 : poDS->nRasterXSize = psImage->nCols;
565 546 : poDS->nRasterYSize = psImage->nRows;
566 : }
567 : else
568 : {
569 3 : poDS->nRasterXSize = 1;
570 3 : poDS->nRasterYSize = 1;
571 : }
572 :
573 : /* Can be set to NO to avoid opening the underlying JPEG2000/JPEG */
574 : /* stream. Might speed up operations when just metadata is needed */
575 : int bOpenUnderlyingDS = CSLTestBoolean(
576 549 : CPLGetConfigOption("NITF_OPEN_UNDERLYING_DS", "YES"));
577 :
578 : /* -------------------------------------------------------------------- */
579 : /* If the image is JPEG2000 (C8) compressed, we will need to */
580 : /* open the image data as a JPEG2000 dataset. */
581 : /* -------------------------------------------------------------------- */
582 549 : int nUsableBands = 0;
583 : int iBand;
584 549 : int bSetColorInterpretation = TRUE;
585 549 : int bSetColorTable = FALSE;
586 :
587 549 : if( psImage )
588 546 : nUsableBands = psImage->nBands;
589 :
590 572 : if( bOpenUnderlyingDS && psImage != NULL && EQUAL(psImage->szIC,"C8") )
591 : {
592 23 : CPLString osDSName;
593 :
594 : osDSName.Printf( "/vsisubfile/" CPL_FRMT_GUIB "_" CPL_FRMT_GUIB ",%s",
595 23 : psFile->pasSegmentInfo[iSegment].nSegmentStart,
596 23 : psFile->pasSegmentInfo[iSegment].nSegmentSize,
597 46 : pszFilename );
598 :
599 23 : if( poWritableJ2KDataset != NULL )
600 : {
601 1 : poDS->poJ2KDataset = (GDALPamDataset *) poWritableJ2KDataset;
602 1 : poDS->bJP2Writing = TRUE;
603 1 : poWritableJ2KDataset = NULL;
604 : }
605 : else
606 : {
607 : /* We explicitely list the allowed drivers to avoid hostile content */
608 : /* to be opened by a random driver, and also to make sure that */
609 : /* a future new JPEG2000 compatible driver derives from GDALPamDataset */
610 : static const char * const apszDrivers[] = { "JP2KAK", "JP2ECW", "JP2MRSID",
611 : "JPEG2000", "JP2OPENJPEG", NULL };
612 : poDS->poJ2KDataset = (GDALPamDataset *)
613 22 : GDALOpenInternal( osDSName, GA_ReadOnly, apszDrivers);
614 :
615 22 : if( poDS->poJ2KDataset == NULL )
616 : {
617 0 : int bFoundJPEG2000Driver = FALSE;
618 0 : for(int iDriver=0;apszDrivers[iDriver]!=NULL;iDriver++)
619 : {
620 0 : if (GDALGetDriverByName(apszDrivers[iDriver]) != NULL)
621 0 : bFoundJPEG2000Driver = TRUE;
622 : }
623 :
624 : CPLError( CE_Failure, CPLE_AppDefined,
625 : "Unable to open JPEG2000 image within NITF file.\n%s\n%s",
626 : (!bFoundJPEG2000Driver) ?
627 : "No JPEG2000 capable driver (JP2KAK, JP2ECW, JP2MRSID, JP2OPENJPEG, etc...) is available." :
628 : "One or several JPEG2000 capable drivers are available but the datastream could not be opened successfully.",
629 0 : "You can define the NITF_OPEN_UNDERLYING_DS configuration option to NO, in order to just get the metadata.");
630 0 : delete poDS;
631 0 : return NULL;
632 : }
633 :
634 : poDS->poJ2KDataset->SetPamFlags(
635 22 : poDS->poJ2KDataset->GetPamFlags() | GPF_NOSAVE );
636 : }
637 :
638 23 : if( poDS->GetRasterXSize() != poDS->poJ2KDataset->GetRasterXSize()
639 : || poDS->GetRasterYSize() != poDS->poJ2KDataset->GetRasterYSize())
640 : {
641 : CPLError( CE_Failure, CPLE_AppDefined,
642 0 : "JPEG2000 data stream has not the same dimensions as the NITF file.");
643 0 : delete poDS;
644 0 : return NULL;
645 : }
646 :
647 23 : if ( nUsableBands == 1)
648 : {
649 18 : const char* pszIREP = CSLFetchNameValue(psImage->papszMetadata, "NITF_IREP");
650 18 : if (pszIREP != NULL && EQUAL(pszIREP, "RGB/LUT"))
651 : {
652 6 : if (poDS->poJ2KDataset->GetRasterCount() == 3)
653 : {
654 : /* Test case : http://www.gwg.nga.mil/ntb/baseline/software/testfile/Jpeg2000/jp2_09/file9_jp2_2places.ntf */
655 : /* 256-entry palette/LUT in both JP2 Header and image Subheader */
656 : /* In this case, the JPEG2000 driver will probably do the RGB expension */
657 2 : nUsableBands = 3;
658 2 : bSetColorInterpretation = FALSE;
659 : }
660 12 : else if (poDS->poJ2KDataset->GetRasterCount() == 1 &&
661 4 : psImage->pasBandInfo[0].nSignificantLUTEntries > 0 &&
662 4 : poDS->poJ2KDataset->GetRasterBand(1)->GetColorTable() == NULL)
663 : {
664 : /* Test case : http://www.gwg.nga.mil/ntb/baseline/software/testfile/Jpeg2000/jp2_09/file9_j2c.ntf */
665 : /* 256-entry/LUT in Image Subheader, JP2 header completely removed */
666 : /* The JPEG2000 driver will decode it as a grey band */
667 : /* So we must set the color table on the wrapper band */
668 4 : bSetColorTable = TRUE;
669 : }
670 : }
671 : }
672 :
673 23 : if( poDS->poJ2KDataset->GetRasterCount() < nUsableBands )
674 : {
675 : CPLError( CE_Warning, CPLE_AppDefined,
676 : "JPEG2000 data stream has less useful bands than expected, likely\n"
677 0 : "because some channels have differing resolutions." );
678 :
679 0 : nUsableBands = poDS->poJ2KDataset->GetRasterCount();
680 0 : }
681 : }
682 :
683 : /* -------------------------------------------------------------------- */
684 : /* If the image is JPEG (C3) compressed, we will need to open */
685 : /* the image data as a JPEG dataset. */
686 : /* -------------------------------------------------------------------- */
687 526 : else if( bOpenUnderlyingDS && psImage != NULL
688 : && EQUAL(psImage->szIC,"C3")
689 : && psImage->nBlocksPerRow == 1
690 : && psImage->nBlocksPerColumn == 1 )
691 : {
692 13 : GUIntBig nJPEGStart = psFile->pasSegmentInfo[iSegment].nSegmentStart;
693 :
694 13 : poDS->nQLevel = poDS->ScanJPEGQLevel( &nJPEGStart );
695 :
696 13 : CPLString osDSName;
697 :
698 : osDSName.Printf( "JPEG_SUBFILE:Q%d," CPL_FRMT_GUIB "," CPL_FRMT_GUIB ",%s",
699 : poDS->nQLevel, nJPEGStart,
700 13 : psFile->pasSegmentInfo[iSegment].nSegmentSize
701 13 : - (nJPEGStart - psFile->pasSegmentInfo[iSegment].nSegmentStart),
702 26 : pszFilename );
703 :
704 : CPLDebug( "GDAL",
705 13 : "NITFDataset::Open() as IC=C3 (JPEG compressed)\n");
706 :
707 13 : poDS->poJPEGDataset = (GDALPamDataset*) GDALOpen(osDSName,GA_ReadOnly);
708 13 : if( poDS->poJPEGDataset == NULL )
709 : {
710 0 : int bFoundJPEGDriver = GDALGetDriverByName("JPEG") != NULL;
711 : CPLError( CE_Failure, CPLE_AppDefined,
712 : "Unable to open JPEG image within NITF file.\n%s\n%s",
713 : (!bFoundJPEGDriver) ?
714 : "The JPEG driver is not available." :
715 : "The JPEG driver is available but the datastream could not be opened successfully.",
716 0 : "You can define the NITF_OPEN_UNDERLYING_DS configuration option to NO, in order to just get the metadata.");
717 0 : delete poDS;
718 0 : return NULL;
719 : }
720 :
721 13 : if( poDS->GetRasterXSize() != poDS->poJPEGDataset->GetRasterXSize()
722 : || poDS->GetRasterYSize() != poDS->poJPEGDataset->GetRasterYSize())
723 : {
724 : CPLError( CE_Failure, CPLE_AppDefined,
725 0 : "JPEG data stream has not the same dimensions as the NITF file.");
726 0 : delete poDS;
727 0 : return NULL;
728 : }
729 :
730 : poDS->poJPEGDataset->SetPamFlags(
731 13 : poDS->poJPEGDataset->GetPamFlags() | GPF_NOSAVE );
732 :
733 13 : if( poDS->poJPEGDataset->GetRasterCount() < nUsableBands )
734 : {
735 : CPLError( CE_Warning, CPLE_AppDefined,
736 : "JPEG data stream has less useful bands than expected, likely\n"
737 0 : "because some channels have differing resolutions." );
738 :
739 0 : nUsableBands = poDS->poJPEGDataset->GetRasterCount();
740 0 : }
741 : }
742 :
743 : /* -------------------------------------------------------------------- */
744 : /* Create band information objects. */
745 : /* -------------------------------------------------------------------- */
746 :
747 549 : GDALDataset* poBaseDS = NULL;
748 549 : if (poDS->poJ2KDataset != NULL)
749 23 : poBaseDS = poDS->poJ2KDataset;
750 526 : else if (poDS->poJPEGDataset != NULL)
751 13 : poBaseDS = poDS->poJPEGDataset;
752 :
753 211319 : for( iBand = 0; iBand < nUsableBands; iBand++ )
754 : {
755 210770 : if( poBaseDS != NULL)
756 : {
757 : GDALRasterBand* poBaseBand =
758 56 : poBaseDS->GetRasterBand(iBand+1);
759 :
760 : #ifdef ESRI_BUILD
761 : SetBandMetadata( psImage, poBaseBand, iBand+1 );
762 : #endif
763 :
764 : NITFWrapperRasterBand* poBand =
765 56 : new NITFWrapperRasterBand(poDS, poBaseBand, iBand+1 );
766 :
767 56 : NITFBandInfo *psBandInfo = psImage->pasBandInfo + iBand;
768 56 : if (bSetColorInterpretation)
769 : {
770 : /* FIXME? Does it make sense if the JPEG/JPEG2000 driver decodes */
771 : /* YCbCr data as RGB. We probably don't want to set */
772 : /* the color interpretation as Y, Cb, Cr */
773 50 : if( EQUAL(psBandInfo->szIREPBAND,"R") )
774 2 : poBand->SetColorInterpretation( GCI_RedBand );
775 50 : if( EQUAL(psBandInfo->szIREPBAND,"G") )
776 2 : poBand->SetColorInterpretation( GCI_GreenBand );
777 50 : if( EQUAL(psBandInfo->szIREPBAND,"B") )
778 2 : poBand->SetColorInterpretation( GCI_BlueBand );
779 50 : if( EQUAL(psBandInfo->szIREPBAND,"M") )
780 25 : poBand->SetColorInterpretation( GCI_GrayIndex );
781 50 : if( EQUAL(psBandInfo->szIREPBAND,"Y") )
782 4 : poBand->SetColorInterpretation( GCI_YCbCr_YBand );
783 50 : if( EQUAL(psBandInfo->szIREPBAND,"Cb") )
784 4 : poBand->SetColorInterpretation( GCI_YCbCr_CbBand );
785 50 : if( EQUAL(psBandInfo->szIREPBAND,"Cr") )
786 4 : poBand->SetColorInterpretation( GCI_YCbCr_CrBand );
787 : }
788 56 : if (bSetColorTable)
789 : {
790 4 : poBand->SetColorTableFromNITFBandInfo();
791 4 : poBand->SetColorInterpretation( GCI_PaletteIndex );
792 : }
793 :
794 56 : poDS->SetBand( iBand+1, poBand );
795 : }
796 : else
797 : {
798 210714 : GDALRasterBand* poBand = new NITFRasterBand( poDS, iBand+1 );
799 210714 : if (poBand->GetRasterDataType() == GDT_Unknown)
800 : {
801 0 : delete poBand;
802 0 : delete poDS;
803 0 : return NULL;
804 : }
805 :
806 : #ifdef ESRI_BUILD
807 : SetBandMetadata( psImage, poBand, iBand+1 );
808 : #endif
809 :
810 210714 : poDS->SetBand( iBand+1, poBand );
811 : }
812 : }
813 :
814 : /* -------------------------------------------------------------------- */
815 : /* Report problems with odd bit sizes. */
816 : /* -------------------------------------------------------------------- */
817 549 : if( poOpenInfo->eAccess == GA_Update &&
818 : psImage != NULL
819 : && (psImage->nBitsPerSample % 8 != 0)
820 : && poDS->poJPEGDataset == NULL
821 : && poDS->poJ2KDataset == NULL )
822 : {
823 : CPLError( CE_Warning, CPLE_AppDefined,
824 : "Image with %d bits per sample cannot be opened in update mode.",
825 0 : psImage->nBitsPerSample );
826 0 : delete poDS;
827 0 : return NULL;
828 : }
829 :
830 : /* -------------------------------------------------------------------- */
831 : /* Process the projection from the ICORDS. */
832 : /* -------------------------------------------------------------------- */
833 549 : OGRSpatialReference oSRSWork;
834 :
835 549 : if( psImage == NULL )
836 : {
837 : /* nothing */
838 : }
839 661 : else if( psImage->chICORDS == 'G' || psImage->chICORDS == 'D' )
840 : {
841 115 : CPLFree( poDS->pszProjection );
842 115 : poDS->pszProjection = NULL;
843 :
844 115 : oSRSWork.SetWellKnownGeogCS( "WGS84" );
845 115 : oSRSWork.exportToWkt( &(poDS->pszProjection) );
846 : }
847 431 : else if( psImage->chICORDS == 'C' )
848 : {
849 0 : CPLFree( poDS->pszProjection );
850 0 : poDS->pszProjection = NULL;
851 :
852 0 : oSRSWork.SetWellKnownGeogCS( "WGS84" );
853 0 : oSRSWork.exportToWkt( &(poDS->pszProjection) );
854 :
855 : /* convert latitudes from geocentric to geodetic form. */
856 :
857 : psImage->dfULY =
858 : NITF_WGS84_Geocentric_Latitude_To_Geodetic_Latitude(
859 0 : psImage->dfULY );
860 : psImage->dfLLY =
861 : NITF_WGS84_Geocentric_Latitude_To_Geodetic_Latitude(
862 0 : psImage->dfLLY );
863 : psImage->dfURY =
864 : NITF_WGS84_Geocentric_Latitude_To_Geodetic_Latitude(
865 0 : psImage->dfURY );
866 : psImage->dfLRY =
867 : NITF_WGS84_Geocentric_Latitude_To_Geodetic_Latitude(
868 0 : psImage->dfLRY );
869 : }
870 474 : else if( psImage->chICORDS == 'S' || psImage->chICORDS == 'N' )
871 : {
872 43 : CPLFree( poDS->pszProjection );
873 43 : poDS->pszProjection = NULL;
874 :
875 43 : oSRSWork.SetUTM( psImage->nZone, psImage->chICORDS == 'N' );
876 43 : oSRSWork.SetWellKnownGeogCS( "WGS84" );
877 43 : oSRSWork.exportToWkt( &(poDS->pszProjection) );
878 : }
879 388 : else if( psImage->chICORDS == 'U' && psImage->nZone != 0 )
880 : {
881 2 : CPLFree( poDS->pszProjection );
882 2 : poDS->pszProjection = NULL;
883 :
884 2 : oSRSWork.SetUTM( ABS(psImage->nZone), psImage->nZone > 0 );
885 2 : oSRSWork.SetWellKnownGeogCS( "WGS84" );
886 2 : oSRSWork.exportToWkt( &(poDS->pszProjection) );
887 : }
888 :
889 :
890 : /* -------------------------------------------------------------------- */
891 : /* Try looking for a .nfw file. */
892 : /* -------------------------------------------------------------------- */
893 549 : if( psImage
894 : && GDALReadWorldFile( pszFilename, "nfw",
895 : poDS->adfGeoTransform ) )
896 : {
897 : const char *pszHDR;
898 : VSILFILE *fpHDR;
899 : char **papszLines;
900 : int isNorth;
901 : int zone;
902 :
903 3 : poDS->bGotGeoTransform = TRUE;
904 :
905 : /* If nfw found, try looking for a header with projection info */
906 : /* in space imaging style format */
907 3 : pszHDR = CPLResetExtension( pszFilename, "hdr" );
908 :
909 3 : fpHDR = VSIFOpenL( pszHDR, "rt" );
910 :
911 3 : if( fpHDR == NULL && VSIIsCaseSensitiveFS(pszHDR) )
912 : {
913 1 : pszHDR = CPLResetExtension( pszFilename, "HDR" );
914 1 : fpHDR = VSIFOpenL( pszHDR, "rt" );
915 : }
916 :
917 3 : if( fpHDR != NULL )
918 : {
919 2 : VSIFCloseL( fpHDR );
920 2 : papszLines=CSLLoad2(pszHDR, 16, 200, NULL);
921 2 : if (CSLCount(papszLines) == 16)
922 : {
923 :
924 2 : if (psImage->chICORDS == 'N')
925 2 : isNorth=1;
926 0 : else if (psImage->chICORDS =='S')
927 0 : isNorth=0;
928 0 : else if (psImage->chICORDS == 'G' || psImage->chICORDS == 'D' || psImage->chICORDS == 'C')
929 : {
930 0 : if (psImage->dfLLY+psImage->dfLRY+psImage->dfULY+psImage->dfURY < 0)
931 0 : isNorth=0;
932 : else
933 0 : isNorth=1;
934 : }
935 0 : else if (psImage->chICORDS == 'U')
936 : {
937 0 : isNorth = psImage->nZone >= 0;
938 : }
939 : else
940 : {
941 0 : isNorth = 1; /* arbitrarly suppose we are in northern hemisphere */
942 :
943 : /* unless we have other information to determine the hemisphere */
944 0 : char** papszUSE00A_MD = NITFReadSTDIDC( psImage );
945 0 : if( papszUSE00A_MD != NULL )
946 : {
947 0 : const char* pszLocation = CSLFetchNameValue(papszUSE00A_MD, "NITF_STDIDC_LOCATION");
948 0 : if (pszLocation && strlen(pszLocation) == 11)
949 : {
950 0 : isNorth = (pszLocation[4] == 'N');
951 : }
952 0 : CSLDestroy( papszUSE00A_MD );
953 : }
954 : else
955 : {
956 : NITFRPC00BInfo sRPCInfo;
957 0 : if( NITFReadRPC00B( psImage, &sRPCInfo ) && sRPCInfo.SUCCESS )
958 : {
959 0 : isNorth = (sRPCInfo.LAT_OFF >= 0);
960 : }
961 : }
962 : }
963 :
964 8 : if( (EQUALN(papszLines[7],
965 : "Selected Projection: Universal Transverse Mercator",50)) &&
966 2 : (EQUALN(papszLines[8],"Zone: ",6)) &&
967 2 : (strlen(papszLines[8]) >= 7))
968 : {
969 2 : CPLFree( poDS->pszProjection );
970 2 : poDS->pszProjection = NULL;
971 2 : zone=atoi(&(papszLines[8][6]));
972 2 : oSRSWork.Clear();
973 2 : oSRSWork.SetUTM( zone, isNorth );
974 2 : oSRSWork.SetWellKnownGeogCS( "WGS84" );
975 2 : oSRSWork.exportToWkt( &(poDS->pszProjection) );
976 : }
977 : else
978 : {
979 : /* Couldn't find associated projection info.
980 : Go back to original file for geotransform.
981 : */
982 0 : poDS->bGotGeoTransform = FALSE;
983 : }
984 : }
985 : else
986 0 : poDS->bGotGeoTransform = FALSE;
987 2 : CSLDestroy(papszLines);
988 : }
989 : else
990 1 : poDS->bGotGeoTransform = FALSE;
991 : }
992 :
993 : /* -------------------------------------------------------------------- */
994 : /* Does this look like a CADRG polar tile ? (#2940) */
995 : /* -------------------------------------------------------------------- */
996 549 : const char* pszIID1 = (psImage) ? CSLFetchNameValue(psImage->papszMetadata, "NITF_IID1") : NULL;
997 549 : const char* pszITITLE = (psImage) ? CSLFetchNameValue(psImage->papszMetadata, "NITF_ITITLE") : NULL;
998 595 : if( psImage != NULL && !poDS->bGotGeoTransform &&
999 : (psImage->chICORDS == 'G' || psImage->chICORDS == 'D') &&
1000 : pszIID1 != NULL && EQUAL(pszIID1, "CADRG") &&
1001 : pszITITLE != NULL && strlen(pszITITLE) >= 12
1002 24 : && (pszITITLE[strlen(pszITITLE) - 1] == '9'
1003 22 : || pszITITLE[strlen(pszITITLE) - 1] == 'J') )
1004 : {
1005 : /* To get a perfect rectangle in Azimuthal Equidistant projection, we must use */
1006 : /* the sphere and not WGS84 ellipsoid. That's a bit strange... */
1007 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";
1008 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";
1009 :
1010 2 : OGRSpatialReference oSRS_AEQD, oSRS_WGS84;
1011 :
1012 2 : const char *pszPolarProjection = (psImage->dfULY > 0) ? pszNorthPolarProjection : pszSouthPolarProjection;
1013 2 : oSRS_AEQD.importFromProj4(pszPolarProjection);
1014 :
1015 2 : oSRS_WGS84.SetWellKnownGeogCS( "WGS84" );
1016 :
1017 2 : CPLPushErrorHandler( CPLQuietErrorHandler );
1018 : OGRCoordinateTransformationH hCT =
1019 2 : (OGRCoordinateTransformationH)OGRCreateCoordinateTransformation(&oSRS_WGS84, &oSRS_AEQD);
1020 2 : CPLPopErrorHandler();
1021 2 : if (hCT)
1022 : {
1023 2 : double dfULX_AEQD = psImage->dfULX;
1024 2 : double dfULY_AEQD = psImage->dfULY;
1025 2 : double dfURX_AEQD = psImage->dfURX;
1026 2 : double dfURY_AEQD = psImage->dfURY;
1027 2 : double dfLLX_AEQD = psImage->dfLLX;
1028 2 : double dfLLY_AEQD = psImage->dfLLY;
1029 2 : double dfLRX_AEQD = psImage->dfLRX;
1030 2 : double dfLRY_AEQD = psImage->dfLRY;
1031 2 : double z = 0;
1032 2 : int bSuccess = TRUE;
1033 2 : bSuccess &= OCTTransform(hCT, 1, &dfULX_AEQD, &dfULY_AEQD, &z);
1034 2 : bSuccess &= OCTTransform(hCT, 1, &dfURX_AEQD, &dfURY_AEQD, &z);
1035 2 : bSuccess &= OCTTransform(hCT, 1, &dfLLX_AEQD, &dfLLY_AEQD, &z);
1036 2 : bSuccess &= OCTTransform(hCT, 1, &dfLRX_AEQD, &dfLRY_AEQD, &z);
1037 2 : if (bSuccess)
1038 : {
1039 : /* Check that the coordinates of the 4 corners in Azimuthal Equidistant projection */
1040 : /* are a rectangle */
1041 2 : if (fabs((dfULX_AEQD - dfLLX_AEQD) / dfLLX_AEQD) < 1e-6 &&
1042 : fabs((dfURX_AEQD - dfLRX_AEQD) / dfLRX_AEQD) < 1e-6 &&
1043 : fabs((dfULY_AEQD - dfURY_AEQD) / dfURY_AEQD) < 1e-6 &&
1044 : fabs((dfLLY_AEQD - dfLRY_AEQD) / dfLRY_AEQD) < 1e-6)
1045 : {
1046 2 : CPLFree(poDS->pszProjection);
1047 2 : oSRS_AEQD.exportToWkt( &(poDS->pszProjection) );
1048 :
1049 2 : poDS->bGotGeoTransform = TRUE;
1050 2 : poDS->adfGeoTransform[0] = dfULX_AEQD;
1051 2 : poDS->adfGeoTransform[1] = (dfURX_AEQD - dfULX_AEQD) / poDS->nRasterXSize;
1052 2 : poDS->adfGeoTransform[2] = 0;
1053 2 : poDS->adfGeoTransform[3] = dfULY_AEQD;
1054 2 : poDS->adfGeoTransform[4] = 0;
1055 2 : poDS->adfGeoTransform[5] = (dfLLY_AEQD - dfULY_AEQD) / poDS->nRasterYSize;
1056 : }
1057 : }
1058 2 : OCTDestroyCoordinateTransformation(hCT);
1059 : }
1060 : else
1061 : {
1062 : // if we cannot instantiate the transformer, then we
1063 : // will at least attempt to record what we believe the
1064 : // natural coordinate system of the image is. This is
1065 : // primarily used by ArcGIS (#3337)
1066 :
1067 0 : CPLErrorReset();
1068 :
1069 : CPLError( CE_Warning, CPLE_AppDefined,
1070 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." );
1071 :
1072 0 : char *pszAEQD = NULL;
1073 0 : oSRS_AEQD.exportToWkt( &(pszAEQD) );
1074 0 : poDS->SetMetadataItem( "GCPPROJECTIONX", pszAEQD, "IMAGE_STRUCTURE" );
1075 0 : CPLFree( pszAEQD );
1076 2 : }
1077 : }
1078 :
1079 : /* -------------------------------------------------------------------- */
1080 : /* Do we have RPCs? */
1081 : /* -------------------------------------------------------------------- */
1082 549 : int bHasRPC00 = FALSE;
1083 : NITFRPC00BInfo sRPCInfo;
1084 549 : memset(&sRPCInfo, 0, sizeof(sRPCInfo)); /* To avoid warnings from not clever compilers */
1085 :
1086 549 : if( psImage && NITFReadRPC00B( psImage, &sRPCInfo ) && sRPCInfo.SUCCESS )
1087 3 : bHasRPC00 = TRUE;
1088 :
1089 : /* -------------------------------------------------------------------- */
1090 : /* Do we have IGEOLO data that can be treated as a */
1091 : /* geotransform? Our approach should support images in an */
1092 : /* affine rotated frame of reference. */
1093 : /* -------------------------------------------------------------------- */
1094 549 : int nGCPCount = 0;
1095 549 : GDAL_GCP *psGCPs = NULL;
1096 :
1097 549 : if( psImage && !poDS->bGotGeoTransform && psImage->chICORDS != ' ' )
1098 : {
1099 157 : nGCPCount = 4;
1100 :
1101 157 : psGCPs = (GDAL_GCP *) CPLMalloc(sizeof(GDAL_GCP) * nGCPCount);
1102 157 : GDALInitGCPs( nGCPCount, psGCPs );
1103 :
1104 157 : if( psImage->bIsBoxCenterOfPixel )
1105 : {
1106 123 : psGCPs[0].dfGCPPixel = 0.5;
1107 123 : psGCPs[0].dfGCPLine = 0.5;
1108 123 : psGCPs[1].dfGCPPixel = poDS->nRasterXSize-0.5;
1109 123 : psGCPs[1].dfGCPLine = 0.5;
1110 123 : psGCPs[2].dfGCPPixel = poDS->nRasterXSize-0.5;
1111 123 : psGCPs[2].dfGCPLine = poDS->nRasterYSize-0.5;
1112 123 : psGCPs[3].dfGCPPixel = 0.5;
1113 123 : psGCPs[3].dfGCPLine = poDS->nRasterYSize-0.5;
1114 : }
1115 : else
1116 : {
1117 34 : psGCPs[0].dfGCPPixel = 0.0;
1118 34 : psGCPs[0].dfGCPLine = 0.0;
1119 34 : psGCPs[1].dfGCPPixel = poDS->nRasterXSize;
1120 34 : psGCPs[1].dfGCPLine = 0.0;
1121 34 : psGCPs[2].dfGCPPixel = poDS->nRasterXSize;
1122 34 : psGCPs[2].dfGCPLine = poDS->nRasterYSize;
1123 34 : psGCPs[3].dfGCPPixel = 0.0;
1124 34 : psGCPs[3].dfGCPLine = poDS->nRasterYSize;
1125 : }
1126 :
1127 157 : psGCPs[0].dfGCPX = psImage->dfULX;
1128 157 : psGCPs[0].dfGCPY = psImage->dfULY;
1129 :
1130 157 : psGCPs[1].dfGCPX = psImage->dfURX;
1131 157 : psGCPs[1].dfGCPY = psImage->dfURY;
1132 :
1133 157 : psGCPs[2].dfGCPX = psImage->dfLRX;
1134 157 : psGCPs[2].dfGCPY = psImage->dfLRY;
1135 :
1136 157 : psGCPs[3].dfGCPX = psImage->dfLLX;
1137 157 : psGCPs[3].dfGCPY = psImage->dfLLY;
1138 :
1139 : /* -------------------------------------------------------------------- */
1140 : /* ESRI desires to use the RPCs to produce a denser and more */
1141 : /* accurate set of GCPs in this case. Details are unclear at */
1142 : /* this time. */
1143 : /* -------------------------------------------------------------------- */
1144 : #ifdef ESRI_BUILD
1145 : if( bHasRPC00
1146 : && ( (psImage->chICORDS == 'G') || (psImage->chICORDS == 'C') ) )
1147 : {
1148 : if( nGCPCount == 4 )
1149 : NITFDensifyGCPs( &psGCPs, &nGCPCount );
1150 :
1151 : NITFUpdateGCPsWithRPC( &sRPCInfo, psGCPs, &nGCPCount );
1152 : }
1153 : #endif /* def ESRI_BUILD */
1154 : }
1155 :
1156 : /* -------------------------------------------------------------------- */
1157 : /* Convert the GCPs into a geotransform definition, if possible. */
1158 : /* -------------------------------------------------------------------- */
1159 549 : if( !psImage )
1160 : {
1161 : /* nothing */
1162 : }
1163 546 : else if( poDS->bGotGeoTransform == FALSE
1164 : && nGCPCount > 0
1165 : && GDALGCPsToGeoTransform( nGCPCount, psGCPs,
1166 : poDS->adfGeoTransform, FALSE ) )
1167 : {
1168 155 : poDS->bGotGeoTransform = TRUE;
1169 : }
1170 :
1171 : /* -------------------------------------------------------------------- */
1172 : /* If we have IGEOLO that isn't north up, return it as GCPs. */
1173 : /* -------------------------------------------------------------------- */
1174 391 : else if( (psImage->dfULX != 0 || psImage->dfURX != 0
1175 : || psImage->dfLRX != 0 || psImage->dfLLX != 0)
1176 : && psImage->chICORDS != ' ' &&
1177 : ( poDS->bGotGeoTransform == FALSE ) &&
1178 : nGCPCount >= 4 )
1179 : {
1180 : CPLDebug( "GDAL",
1181 : "NITFDataset::Open() wasn't able to derive a first order\n"
1182 0 : "geotransform. It will be returned as GCPs.");
1183 :
1184 0 : poDS->nGCPCount = nGCPCount;
1185 0 : poDS->pasGCPList = psGCPs;
1186 :
1187 0 : psGCPs = NULL;
1188 0 : nGCPCount = 0;
1189 :
1190 0 : CPLFree( poDS->pasGCPList[0].pszId );
1191 0 : poDS->pasGCPList[0].pszId = CPLStrdup( "UpperLeft" );
1192 :
1193 0 : CPLFree( poDS->pasGCPList[1].pszId );
1194 0 : poDS->pasGCPList[1].pszId = CPLStrdup( "UpperRight" );
1195 :
1196 0 : CPLFree( poDS->pasGCPList[2].pszId );
1197 0 : poDS->pasGCPList[2].pszId = CPLStrdup( "LowerRight" );
1198 :
1199 0 : CPLFree( poDS->pasGCPList[3].pszId );
1200 0 : poDS->pasGCPList[3].pszId = CPLStrdup( "LowerLeft" );
1201 :
1202 0 : poDS->pszGCPProjection = CPLStrdup( poDS->pszProjection );
1203 : }
1204 :
1205 : // This cleans up the original copy of the GCPs used to test if
1206 : // this IGEOLO could be used for a geotransform if we did not
1207 : // steal the to use as primary gcps.
1208 549 : if( nGCPCount > 0 )
1209 : {
1210 157 : GDALDeinitGCPs( nGCPCount, psGCPs );
1211 157 : CPLFree( psGCPs );
1212 : }
1213 :
1214 : /* -------------------------------------------------------------------- */
1215 : /* Do we have PRJPSB and MAPLOB TREs to get better */
1216 : /* georeferencing from? */
1217 : /* -------------------------------------------------------------------- */
1218 549 : if (psImage)
1219 546 : poDS->CheckGeoSDEInfo();
1220 :
1221 : /* -------------------------------------------------------------------- */
1222 : /* Do we have metadata. */
1223 : /* -------------------------------------------------------------------- */
1224 : char **papszMergedMD;
1225 : char **papszTRE_MD;
1226 :
1227 : // File and Image level metadata.
1228 549 : papszMergedMD = CSLDuplicate( poDS->psFile->papszMetadata );
1229 :
1230 549 : if( psImage )
1231 : {
1232 : papszMergedMD = CSLInsertStrings( papszMergedMD,
1233 : CSLCount( papszMergedMD ),
1234 546 : psImage->papszMetadata );
1235 :
1236 : // Comments.
1237 546 : if( psImage->pszComments != NULL && strlen(psImage->pszComments) != 0 )
1238 : papszMergedMD = CSLSetNameValue(
1239 19 : papszMergedMD, "NITF_IMAGE_COMMENTS", psImage->pszComments );
1240 :
1241 : // Compression code.
1242 : papszMergedMD = CSLSetNameValue( papszMergedMD, "NITF_IC",
1243 546 : psImage->szIC );
1244 :
1245 : // IMODE
1246 : char szIMODE[2];
1247 546 : szIMODE[0] = psImage->chIMODE;
1248 546 : szIMODE[1] = '\0';
1249 546 : papszMergedMD = CSLSetNameValue( papszMergedMD, "NITF_IMODE", szIMODE );
1250 :
1251 : // ILOC/Attachment info
1252 546 : if( psImage->nIDLVL != 0 )
1253 : {
1254 : NITFSegmentInfo *psSegInfo
1255 544 : = psFile->pasSegmentInfo + psImage->iSegment;
1256 :
1257 : papszMergedMD =
1258 : CSLSetNameValue( papszMergedMD, "NITF_IDLVL",
1259 544 : CPLString().Printf("%d",psImage->nIDLVL) );
1260 : papszMergedMD =
1261 : CSLSetNameValue( papszMergedMD, "NITF_IALVL",
1262 544 : CPLString().Printf("%d",psImage->nIALVL) );
1263 : papszMergedMD =
1264 : CSLSetNameValue( papszMergedMD, "NITF_ILOC_ROW",
1265 544 : CPLString().Printf("%d",psImage->nILOCRow) );
1266 : papszMergedMD =
1267 : CSLSetNameValue( papszMergedMD, "NITF_ILOC_COLUMN",
1268 544 : CPLString().Printf("%d",psImage->nILOCColumn));
1269 : papszMergedMD =
1270 : CSLSetNameValue( papszMergedMD, "NITF_CCS_ROW",
1271 544 : CPLString().Printf("%d",psSegInfo->nCCS_R) );
1272 : papszMergedMD =
1273 : CSLSetNameValue( papszMergedMD, "NITF_CCS_COLUMN",
1274 544 : CPLString().Printf("%d", psSegInfo->nCCS_C));
1275 : papszMergedMD =
1276 : CSLSetNameValue( papszMergedMD, "NITF_IMAG",
1277 544 : psImage->szIMAG );
1278 : }
1279 :
1280 546 : papszMergedMD = NITFGenericMetadataRead(papszMergedMD, psFile, psImage, NULL);
1281 :
1282 : // BLOCKA
1283 546 : papszTRE_MD = NITFReadBLOCKA( psImage );
1284 546 : if( papszTRE_MD != NULL )
1285 : {
1286 : papszMergedMD = CSLInsertStrings( papszMergedMD,
1287 : CSLCount( papszTRE_MD ),
1288 14 : papszTRE_MD );
1289 14 : CSLDestroy( papszTRE_MD );
1290 : }
1291 : }
1292 :
1293 : #ifdef ESRI_BUILD
1294 : // Extract ESRI generic metadata.
1295 : char **papszESRI_MD = ExtractEsriMD( papszMergedMD );
1296 : if( papszESRI_MD != NULL )
1297 : {
1298 : papszMergedMD = CSLInsertStrings( papszMergedMD,
1299 : CSLCount( papszESRI_MD ),
1300 : papszESRI_MD );
1301 : CSLDestroy( papszESRI_MD );
1302 : }
1303 : #endif
1304 :
1305 549 : poDS->SetMetadata( papszMergedMD );
1306 549 : CSLDestroy( papszMergedMD );
1307 :
1308 : /* -------------------------------------------------------------------- */
1309 : /* Image structure metadata. */
1310 : /* -------------------------------------------------------------------- */
1311 549 : if( psImage == NULL )
1312 : /* do nothing */;
1313 546 : else if( psImage->szIC[1] == '1' )
1314 : poDS->SetMetadataItem( "COMPRESSION", "BILEVEL",
1315 1 : "IMAGE_STRUCTURE" );
1316 545 : else if( psImage->szIC[1] == '2' )
1317 : poDS->SetMetadataItem( "COMPRESSION", "ARIDPCM",
1318 2 : "IMAGE_STRUCTURE" );
1319 543 : else if( psImage->szIC[1] == '3' )
1320 : poDS->SetMetadataItem( "COMPRESSION", "JPEG",
1321 23 : "IMAGE_STRUCTURE" );
1322 520 : else if( psImage->szIC[1] == '4' )
1323 : poDS->SetMetadataItem( "COMPRESSION", "VECTOR QUANTIZATION",
1324 26 : "IMAGE_STRUCTURE" );
1325 494 : else if( psImage->szIC[1] == '5' )
1326 : poDS->SetMetadataItem( "COMPRESSION", "LOSSLESS JPEG",
1327 0 : "IMAGE_STRUCTURE" );
1328 494 : else if( psImage->szIC[1] == '8' )
1329 : poDS->SetMetadataItem( "COMPRESSION", "JPEG2000",
1330 24 : "IMAGE_STRUCTURE" );
1331 :
1332 : /* -------------------------------------------------------------------- */
1333 : /* Do we have RPC info. */
1334 : /* -------------------------------------------------------------------- */
1335 549 : if( psImage && bHasRPC00 )
1336 : {
1337 : char szValue[1280];
1338 : int i;
1339 :
1340 3 : sprintf( szValue, "%.16g", sRPCInfo.LINE_OFF );
1341 3 : poDS->SetMetadataItem( "LINE_OFF", szValue, "RPC" );
1342 :
1343 3 : sprintf( szValue, "%.16g", sRPCInfo.LINE_SCALE );
1344 3 : poDS->SetMetadataItem( "LINE_SCALE", szValue, "RPC" );
1345 :
1346 3 : sprintf( szValue, "%.16g", sRPCInfo.SAMP_OFF );
1347 3 : poDS->SetMetadataItem( "SAMP_OFF", szValue, "RPC" );
1348 :
1349 3 : sprintf( szValue, "%.16g", sRPCInfo.SAMP_SCALE );
1350 3 : poDS->SetMetadataItem( "SAMP_SCALE", szValue, "RPC" );
1351 :
1352 3 : sprintf( szValue, "%.16g", sRPCInfo.LONG_OFF );
1353 3 : poDS->SetMetadataItem( "LONG_OFF", szValue, "RPC" );
1354 :
1355 3 : sprintf( szValue, "%.16g", sRPCInfo.LONG_SCALE );
1356 3 : poDS->SetMetadataItem( "LONG_SCALE", szValue, "RPC" );
1357 :
1358 3 : sprintf( szValue, "%.16g", sRPCInfo.LAT_OFF );
1359 3 : poDS->SetMetadataItem( "LAT_OFF", szValue, "RPC" );
1360 :
1361 3 : sprintf( szValue, "%.16g", sRPCInfo.LAT_SCALE );
1362 3 : poDS->SetMetadataItem( "LAT_SCALE", szValue, "RPC" );
1363 :
1364 3 : sprintf( szValue, "%.16g", sRPCInfo.HEIGHT_OFF );
1365 3 : poDS->SetMetadataItem( "HEIGHT_OFF", szValue, "RPC" );
1366 :
1367 3 : sprintf( szValue, "%.16g", sRPCInfo.HEIGHT_SCALE );
1368 3 : poDS->SetMetadataItem( "HEIGHT_SCALE", szValue, "RPC" );
1369 :
1370 3 : szValue[0] = '\0';
1371 63 : for( i = 0; i < 20; i++ )
1372 : sprintf( szValue+strlen(szValue), "%.16g ",
1373 60 : sRPCInfo.LINE_NUM_COEFF[i] );
1374 3 : poDS->SetMetadataItem( "LINE_NUM_COEFF", szValue, "RPC" );
1375 :
1376 3 : szValue[0] = '\0';
1377 63 : for( i = 0; i < 20; i++ )
1378 : sprintf( szValue+strlen(szValue), "%.16g ",
1379 60 : sRPCInfo.LINE_DEN_COEFF[i] );
1380 3 : poDS->SetMetadataItem( "LINE_DEN_COEFF", szValue, "RPC" );
1381 :
1382 3 : szValue[0] = '\0';
1383 63 : for( i = 0; i < 20; i++ )
1384 : sprintf( szValue+strlen(szValue), "%.16g ",
1385 60 : sRPCInfo.SAMP_NUM_COEFF[i] );
1386 3 : poDS->SetMetadataItem( "SAMP_NUM_COEFF", szValue, "RPC" );
1387 :
1388 3 : szValue[0] = '\0';
1389 63 : for( i = 0; i < 20; i++ )
1390 : sprintf( szValue+strlen(szValue), "%.16g ",
1391 60 : sRPCInfo.SAMP_DEN_COEFF[i] );
1392 3 : poDS->SetMetadataItem( "SAMP_DEN_COEFF", szValue, "RPC" );
1393 :
1394 : sprintf( szValue, "%.16g",
1395 3 : sRPCInfo.LONG_OFF - ( sRPCInfo.LONG_SCALE / 2.0 ) );
1396 3 : poDS->SetMetadataItem( "MIN_LONG", szValue, "RPC" );
1397 :
1398 : sprintf( szValue, "%.16g",
1399 3 : sRPCInfo.LONG_OFF + ( sRPCInfo.LONG_SCALE / 2.0 ) );
1400 3 : poDS->SetMetadataItem( "MAX_LONG", szValue, "RPC" );
1401 :
1402 : sprintf( szValue, "%.16g",
1403 3 : sRPCInfo.LAT_OFF - ( sRPCInfo.LAT_SCALE / 2.0 ) );
1404 3 : poDS->SetMetadataItem( "MIN_LAT", szValue, "RPC" );
1405 :
1406 : sprintf( szValue, "%.16g",
1407 3 : sRPCInfo.LAT_OFF + ( sRPCInfo.LAT_SCALE / 2.0 ) );
1408 3 : poDS->SetMetadataItem( "MAX_LAT", szValue, "RPC" );
1409 : }
1410 :
1411 : /* -------------------------------------------------------------------- */
1412 : /* Do we have Chip info? */
1413 : /* -------------------------------------------------------------------- */
1414 : NITFICHIPBInfo sChipInfo;
1415 :
1416 549 : if( psImage
1417 : && NITFReadICHIPB( psImage, &sChipInfo ) && sChipInfo.XFRM_FLAG == 0 )
1418 : {
1419 : char szValue[1280];
1420 :
1421 3 : sprintf( szValue, "%.16g", sChipInfo.SCALE_FACTOR );
1422 3 : poDS->SetMetadataItem( "ICHIP_SCALE_FACTOR", szValue );
1423 :
1424 3 : sprintf( szValue, "%d", sChipInfo.ANAMORPH_CORR );
1425 3 : poDS->SetMetadataItem( "ICHIP_ANAMORPH_CORR", szValue );
1426 :
1427 3 : sprintf( szValue, "%d", sChipInfo.SCANBLK_NUM );
1428 3 : poDS->SetMetadataItem( "ICHIP_SCANBLK_NUM", szValue );
1429 :
1430 3 : sprintf( szValue, "%.16g", sChipInfo.OP_ROW_11 );
1431 3 : poDS->SetMetadataItem( "ICHIP_OP_ROW_11", szValue );
1432 :
1433 3 : sprintf( szValue, "%.16g", sChipInfo.OP_COL_11 );
1434 3 : poDS->SetMetadataItem( "ICHIP_OP_COL_11", szValue );
1435 :
1436 3 : sprintf( szValue, "%.16g", sChipInfo.OP_ROW_12 );
1437 3 : poDS->SetMetadataItem( "ICHIP_OP_ROW_12", szValue );
1438 :
1439 3 : sprintf( szValue, "%.16g", sChipInfo.OP_COL_12 );
1440 3 : poDS->SetMetadataItem( "ICHIP_OP_COL_12", szValue );
1441 :
1442 3 : sprintf( szValue, "%.16g", sChipInfo.OP_ROW_21 );
1443 3 : poDS->SetMetadataItem( "ICHIP_OP_ROW_21", szValue );
1444 :
1445 3 : sprintf( szValue, "%.16g", sChipInfo.OP_COL_21 );
1446 3 : poDS->SetMetadataItem( "ICHIP_OP_COL_21", szValue );
1447 :
1448 3 : sprintf( szValue, "%.16g", sChipInfo.OP_ROW_22 );
1449 3 : poDS->SetMetadataItem( "ICHIP_OP_ROW_22", szValue );
1450 :
1451 3 : sprintf( szValue, "%.16g", sChipInfo.OP_COL_22 );
1452 3 : poDS->SetMetadataItem( "ICHIP_OP_COL_22", szValue );
1453 :
1454 3 : sprintf( szValue, "%.16g", sChipInfo.FI_ROW_11 );
1455 3 : poDS->SetMetadataItem( "ICHIP_FI_ROW_11", szValue );
1456 :
1457 3 : sprintf( szValue, "%.16g", sChipInfo.FI_COL_11 );
1458 3 : poDS->SetMetadataItem( "ICHIP_FI_COL_11", szValue );
1459 :
1460 3 : sprintf( szValue, "%.16g", sChipInfo.FI_ROW_12 );
1461 3 : poDS->SetMetadataItem( "ICHIP_FI_ROW_12", szValue );
1462 :
1463 3 : sprintf( szValue, "%.16g", sChipInfo.FI_COL_12 );
1464 3 : poDS->SetMetadataItem( "ICHIP_FI_COL_12", szValue );
1465 :
1466 3 : sprintf( szValue, "%.16g", sChipInfo.FI_ROW_21 );
1467 3 : poDS->SetMetadataItem( "ICHIP_FI_ROW_21", szValue );
1468 :
1469 3 : sprintf( szValue, "%.16g", sChipInfo.FI_COL_21 );
1470 3 : poDS->SetMetadataItem( "ICHIP_FI_COL_21", szValue );
1471 :
1472 3 : sprintf( szValue, "%.16g", sChipInfo.FI_ROW_22 );
1473 3 : poDS->SetMetadataItem( "ICHIP_FI_ROW_22", szValue );
1474 :
1475 3 : sprintf( szValue, "%.16g", sChipInfo.FI_COL_22 );
1476 3 : poDS->SetMetadataItem( "ICHIP_FI_COL_22", szValue );
1477 :
1478 3 : sprintf( szValue, "%d", sChipInfo.FI_ROW );
1479 3 : poDS->SetMetadataItem( "ICHIP_FI_ROW", szValue );
1480 :
1481 3 : sprintf( szValue, "%d", sChipInfo.FI_COL );
1482 3 : poDS->SetMetadataItem( "ICHIP_FI_COL", szValue );
1483 :
1484 : }
1485 :
1486 549 : const NITFSeries* series = NITFGetSeriesInfo(pszFilename);
1487 549 : if (series)
1488 : {
1489 : poDS->SetMetadataItem("NITF_SERIES_ABBREVIATION",
1490 29 : (series->abbreviation) ? series->abbreviation : "Unknown");
1491 : poDS->SetMetadataItem("NITF_SERIES_NAME",
1492 29 : (series->name) ? series->name : "Unknown");
1493 : }
1494 :
1495 : /* -------------------------------------------------------------------- */
1496 : /* If there are multiple image segments, and we are the zeroth, */
1497 : /* then setup the subdataset metadata. */
1498 : /* -------------------------------------------------------------------- */
1499 549 : int nSubDSCount = 0;
1500 :
1501 549 : if( nIMIndex == -1 )
1502 : {
1503 536 : char **papszSubdatasets = NULL;
1504 536 : int nIMCounter = 0;
1505 :
1506 3559 : for( iSegment = 0; iSegment < psFile->nSegmentCount; iSegment++ )
1507 : {
1508 3023 : if( EQUAL(psFile->pasSegmentInfo[iSegment].szSegmentType,"IM") )
1509 : {
1510 2541 : CPLString oName;
1511 2541 : CPLString oValue;
1512 :
1513 2541 : oName.Printf( "SUBDATASET_%d_NAME", nIMCounter+1 );
1514 2541 : oValue.Printf( "NITF_IM:%d:%s", nIMCounter, pszFilename );
1515 : papszSubdatasets = CSLSetNameValue( papszSubdatasets,
1516 2541 : oName, oValue );
1517 :
1518 2541 : oName.Printf( "SUBDATASET_%d_DESC", nIMCounter+1 );
1519 2541 : oValue.Printf( "Image %d of %s", nIMCounter+1, pszFilename );
1520 : papszSubdatasets = CSLSetNameValue( papszSubdatasets,
1521 2541 : oName, oValue );
1522 :
1523 2541 : nIMCounter++;
1524 : }
1525 : }
1526 :
1527 536 : nSubDSCount = CSLCount(papszSubdatasets) / 2;
1528 536 : if( nSubDSCount > 1 )
1529 : poDS->GDALMajorObject::SetMetadata( papszSubdatasets,
1530 8 : "SUBDATASETS" );
1531 :
1532 536 : CSLDestroy( papszSubdatasets );
1533 : }
1534 :
1535 : /* -------------------------------------------------------------------- */
1536 : /* Initialize any PAM information. */
1537 : /* -------------------------------------------------------------------- */
1538 549 : poDS->SetDescription( poOpenInfo->pszFilename );
1539 :
1540 549 : if( nSubDSCount > 1 || nIMIndex != -1 )
1541 : {
1542 21 : if( nIMIndex == -1 )
1543 8 : nIMIndex = 0;
1544 :
1545 21 : poDS->SetSubdatasetName( CPLString().Printf("%d",nIMIndex) );
1546 21 : poDS->SetPhysicalFilename( pszFilename );
1547 : }
1548 :
1549 549 : poDS->bInLoadXML = TRUE;
1550 549 : poDS->TryLoadXML();
1551 549 : poDS->bInLoadXML = FALSE;
1552 :
1553 : /* -------------------------------------------------------------------- */
1554 : /* Do we have a special overview file? If not, do we have */
1555 : /* RSets that should be treated as an overview file? */
1556 : /* -------------------------------------------------------------------- */
1557 : const char *pszOverviewFile =
1558 549 : poDS->GetMetadataItem( "OVERVIEW_FILE", "OVERVIEWS" );
1559 :
1560 549 : if( pszOverviewFile == NULL )
1561 : {
1562 546 : if( poDS->CheckForRSets(pszFilename) )
1563 3 : pszOverviewFile = poDS->osRSetVRT;
1564 : }
1565 :
1566 : /* -------------------------------------------------------------------- */
1567 : /* If we have jpeg or jpeg2000 bands we may need to set the */
1568 : /* overview file on their dataset. (#3276) */
1569 : /* -------------------------------------------------------------------- */
1570 549 : GDALDataset *poSubDS = poDS->poJ2KDataset;
1571 549 : if( poDS->poJPEGDataset )
1572 13 : poSubDS = poDS->poJPEGDataset;
1573 :
1574 549 : if( poSubDS && pszOverviewFile != NULL )
1575 : {
1576 : poSubDS->SetMetadataItem( "OVERVIEW_FILE",
1577 : pszOverviewFile,
1578 2 : "OVERVIEWS" );
1579 : }
1580 :
1581 : /* -------------------------------------------------------------------- */
1582 : /* If we have jpeg, or jpeg2000 bands we may need to clear */
1583 : /* their PAM dirty flag too. */
1584 : /* -------------------------------------------------------------------- */
1585 549 : if( poDS->poJ2KDataset != NULL )
1586 : poDS->poJ2KDataset->SetPamFlags(
1587 23 : poDS->poJ2KDataset->GetPamFlags() & ~GPF_DIRTY );
1588 549 : if( poDS->poJPEGDataset != NULL )
1589 : poDS->poJPEGDataset->SetPamFlags(
1590 13 : poDS->poJPEGDataset->GetPamFlags() & ~GPF_DIRTY );
1591 :
1592 : /* -------------------------------------------------------------------- */
1593 : /* Check for overviews. */
1594 : /* -------------------------------------------------------------------- */
1595 549 : if( !EQUAL(poOpenInfo->pszFilename,pszFilename) )
1596 13 : poDS->oOvManager.Initialize( poDS, ":::VIRTUAL:::" );
1597 : else
1598 536 : poDS->oOvManager.Initialize( poDS, pszFilename );
1599 :
1600 549 : return( poDS );
1601 : }
1602 :
1603 : /************************************************************************/
1604 : /* LoadDODDatum() */
1605 : /* */
1606 : /* Try to turn a US military datum name into a datum definition. */
1607 : /************************************************************************/
1608 :
1609 3 : static OGRErr LoadDODDatum( OGRSpatialReference *poSRS,
1610 : const char *pszDatumName )
1611 :
1612 : {
1613 : /* -------------------------------------------------------------------- */
1614 : /* The most common case... */
1615 : /* -------------------------------------------------------------------- */
1616 3 : if( EQUALN(pszDatumName,"WGE ",4) )
1617 : {
1618 0 : poSRS->SetWellKnownGeogCS( "WGS84" );
1619 0 : return OGRERR_NONE;
1620 : }
1621 :
1622 : /* -------------------------------------------------------------------- */
1623 : /* All the rest we will try and load from gt_datum.csv */
1624 : /* (Geotrans datum file). */
1625 : /* -------------------------------------------------------------------- */
1626 : char szExpanded[6];
1627 3 : const char *pszGTDatum = CSVFilename( "gt_datum.csv" );
1628 :
1629 3 : strncpy( szExpanded, pszDatumName, 3 );
1630 3 : szExpanded[3] = '\0';
1631 3 : if( pszDatumName[3] != ' ' )
1632 : {
1633 : int nLen;
1634 3 : strcat( szExpanded, "-" );
1635 3 : nLen = strlen(szExpanded);
1636 3 : szExpanded[nLen] = pszDatumName[3];
1637 3 : szExpanded[nLen + 1] = '\0';
1638 : }
1639 :
1640 : CPLString osDName = CSVGetField( pszGTDatum, "CODE", szExpanded,
1641 3 : CC_ApproxString, "NAME" );
1642 3 : if( strlen(osDName) == 0 )
1643 : {
1644 : CPLError( CE_Failure, CPLE_AppDefined,
1645 : "Failed to find datum %s/%s in gt_datum.csv.",
1646 0 : pszDatumName, szExpanded );
1647 0 : return OGRERR_FAILURE;
1648 : }
1649 :
1650 : CPLString osEllipseCode = CSVGetField( pszGTDatum, "CODE", szExpanded,
1651 3 : CC_ApproxString, "ELLIPSOID" );
1652 : double dfDeltaX = CPLAtof(CSVGetField( pszGTDatum, "CODE", szExpanded,
1653 3 : CC_ApproxString, "DELTAX" ) );
1654 : double dfDeltaY = CPLAtof(CSVGetField( pszGTDatum, "CODE", szExpanded,
1655 3 : CC_ApproxString, "DELTAY" ) );
1656 : double dfDeltaZ = CPLAtof(CSVGetField( pszGTDatum, "CODE", szExpanded,
1657 3 : CC_ApproxString, "DELTAZ" ) );
1658 :
1659 : /* -------------------------------------------------------------------- */
1660 : /* Lookup the ellipse code. */
1661 : /* -------------------------------------------------------------------- */
1662 3 : const char *pszGTEllipse = CSVFilename( "gt_ellips.csv" );
1663 :
1664 : CPLString osEName = CSVGetField( pszGTEllipse, "CODE", osEllipseCode,
1665 3 : CC_ApproxString, "NAME" );
1666 3 : if( strlen(osEName) == 0 )
1667 : {
1668 : CPLError( CE_Failure, CPLE_AppDefined,
1669 : "Failed to find datum %s in gt_ellips.csv.",
1670 0 : osEllipseCode.c_str() );
1671 0 : return OGRERR_FAILURE;
1672 : }
1673 :
1674 : double dfA = CPLAtof(CSVGetField( pszGTEllipse, "CODE", osEllipseCode,
1675 3 : CC_ApproxString, "A" ));
1676 : double dfInvF = CPLAtof(CSVGetField( pszGTEllipse, "CODE", osEllipseCode,
1677 3 : CC_ApproxString, "RF" ));
1678 :
1679 : /* -------------------------------------------------------------------- */
1680 : /* Create geographic coordinate system. */
1681 : /* -------------------------------------------------------------------- */
1682 3 : poSRS->SetGeogCS( osDName, osDName, osEName, dfA, dfInvF );
1683 :
1684 3 : poSRS->SetTOWGS84( dfDeltaX, dfDeltaY, dfDeltaZ );
1685 :
1686 3 : return OGRERR_NONE;
1687 : }
1688 :
1689 : /************************************************************************/
1690 : /* CheckGeoSDEInfo() */
1691 : /* */
1692 : /* Check for GeoSDE TREs (GEOPSB/PRJPSB and MAPLOB). If we */
1693 : /* have them, use them to override our coordinate system and */
1694 : /* geotransform info. */
1695 : /************************************************************************/
1696 :
1697 546 : void NITFDataset::CheckGeoSDEInfo()
1698 :
1699 : {
1700 546 : if( !psImage )
1701 0 : return;
1702 :
1703 : /* -------------------------------------------------------------------- */
1704 : /* Do we have the required TREs? */
1705 : /* -------------------------------------------------------------------- */
1706 : const char *pszGEOPSB , *pszPRJPSB, *pszMAPLOB;
1707 546 : OGRSpatialReference oSRS;
1708 : char szName[81];
1709 : int nGEOPSBSize, nPRJPSBSize, nMAPLOBSize;
1710 :
1711 546 : pszGEOPSB = NITFFindTRE( psFile->pachTRE, psFile->nTREBytes,"GEOPSB",&nGEOPSBSize);
1712 546 : pszPRJPSB = NITFFindTRE( psFile->pachTRE, psFile->nTREBytes,"PRJPSB",&nPRJPSBSize);
1713 546 : pszMAPLOB = NITFFindTRE(psImage->pachTRE,psImage->nTREBytes,"MAPLOB",&nMAPLOBSize);
1714 :
1715 546 : if( pszGEOPSB == NULL || pszPRJPSB == NULL || pszMAPLOB == NULL )
1716 : return;
1717 :
1718 : /* -------------------------------------------------------------------- */
1719 : /* Collect projection parameters. */
1720 : /* -------------------------------------------------------------------- */
1721 :
1722 : char szParm[16];
1723 3 : if (nPRJPSBSize < 82 + 1)
1724 : {
1725 : CPLError(CE_Failure, CPLE_AppDefined,
1726 0 : "Cannot read PRJPSB TRE. Not enough bytes");
1727 : return;
1728 : }
1729 3 : int nParmCount = atoi(NITFGetField(szParm,pszPRJPSB,82,1));
1730 : int i;
1731 3 : double adfParm[9] = {0, 0, 0, 0, 0, 0, 0, 0, 0};
1732 : double dfFN;
1733 : double dfFE;
1734 3 : if (nPRJPSBSize < 83+15*nParmCount+15+15)
1735 : {
1736 : CPLError(CE_Failure, CPLE_AppDefined,
1737 0 : "Cannot read PRJPSB TRE. Not enough bytes");
1738 : return;
1739 : }
1740 3 : for( i = 0; i < nParmCount; i++ )
1741 0 : adfParm[i] = atof(NITFGetField(szParm,pszPRJPSB,83+15*i,15));
1742 :
1743 3 : dfFE = atof(NITFGetField(szParm,pszPRJPSB,83+15*nParmCount,15));
1744 3 : dfFN = atof(NITFGetField(szParm,pszPRJPSB,83+15*nParmCount+15,15));
1745 :
1746 : /* -------------------------------------------------------------------- */
1747 : /* Try to handle the projection. */
1748 : /* -------------------------------------------------------------------- */
1749 3 : if( EQUALN(pszPRJPSB+80,"AC",2) )
1750 : oSRS.SetACEA( adfParm[1], adfParm[2], adfParm[3], adfParm[0],
1751 3 : dfFE, dfFN );
1752 :
1753 0 : else if( EQUALN(pszPRJPSB+80,"AK",2) )
1754 0 : oSRS.SetLAEA( adfParm[1], adfParm[0], dfFE, dfFN );
1755 :
1756 0 : else if( EQUALN(pszPRJPSB+80,"AL",2) )
1757 0 : oSRS.SetAE( adfParm[1], adfParm[0], dfFE, dfFN );
1758 :
1759 0 : else if( EQUALN(pszPRJPSB+80,"BF",2) )
1760 0 : oSRS.SetBonne( adfParm[1], adfParm[0], dfFE, dfFN );
1761 :
1762 0 : else if( EQUALN(pszPRJPSB+80,"CP",2) )
1763 0 : oSRS.SetEquirectangular( adfParm[1], adfParm[0], dfFE, dfFN );
1764 :
1765 0 : else if( EQUALN(pszPRJPSB+80,"CS",2) )
1766 0 : oSRS.SetCS( adfParm[1], adfParm[0], dfFE, dfFN );
1767 :
1768 0 : else if( EQUALN(pszPRJPSB+80,"EF",2) )
1769 0 : oSRS.SetEckertIV( adfParm[0], dfFE, dfFN );
1770 :
1771 0 : else if( EQUALN(pszPRJPSB+80,"ED",2) )
1772 0 : oSRS.SetEckertVI( adfParm[0], dfFE, dfFN );
1773 :
1774 0 : else if( EQUALN(pszPRJPSB+80,"GN",2) )
1775 0 : oSRS.SetGnomonic( adfParm[1], adfParm[0], dfFE, dfFN );
1776 :
1777 0 : else if( EQUALN(pszPRJPSB+80,"HX",2) )
1778 : oSRS.SetHOM2PNO( adfParm[1],
1779 : adfParm[3], adfParm[2],
1780 : adfParm[5], adfParm[4],
1781 0 : adfParm[0], dfFE, dfFN );
1782 :
1783 0 : else if( EQUALN(pszPRJPSB+80,"KA",2) )
1784 : oSRS.SetEC( adfParm[1], adfParm[2], adfParm[3], adfParm[0],
1785 0 : dfFE, dfFN );
1786 :
1787 0 : else if( EQUALN(pszPRJPSB+80,"LE",2) )
1788 : oSRS.SetLCC( adfParm[1], adfParm[2], adfParm[3], adfParm[0],
1789 0 : dfFE, dfFN );
1790 :
1791 0 : else if( EQUALN(pszPRJPSB+80,"LI",2) )
1792 0 : oSRS.SetCEA( adfParm[1], adfParm[0], dfFE, dfFN );
1793 :
1794 0 : else if( EQUALN(pszPRJPSB+80,"MC",2) )
1795 0 : oSRS.SetMercator( adfParm[2], adfParm[1], 1.0, dfFE, dfFN );
1796 :
1797 0 : else if( EQUALN(pszPRJPSB+80,"MH",2) )
1798 0 : oSRS.SetMC( 0.0, adfParm[1], dfFE, dfFN );
1799 :
1800 0 : else if( EQUALN(pszPRJPSB+80,"MP",2) )
1801 0 : oSRS.SetMollweide( adfParm[0], dfFE, dfFN );
1802 :
1803 0 : else if( EQUALN(pszPRJPSB+80,"NT",2) )
1804 0 : oSRS.SetNZMG( adfParm[1], adfParm[0], dfFE, dfFN );
1805 :
1806 0 : else if( EQUALN(pszPRJPSB+80,"OD",2) )
1807 0 : oSRS.SetOrthographic( adfParm[1], adfParm[0], dfFE, dfFN );
1808 :
1809 0 : else if( EQUALN(pszPRJPSB+80,"PC",2) )
1810 0 : oSRS.SetPolyconic( adfParm[1], adfParm[0], dfFE, dfFN );
1811 :
1812 0 : else if( EQUALN(pszPRJPSB+80,"PG",2) )
1813 0 : oSRS.SetPS( adfParm[1], adfParm[0], 1.0, dfFE, dfFN );
1814 :
1815 0 : else if( EQUALN(pszPRJPSB+80,"RX",2) )
1816 0 : oSRS.SetRobinson( adfParm[0], dfFE, dfFN );
1817 :
1818 0 : else if( EQUALN(pszPRJPSB+80,"SA",2) )
1819 0 : oSRS.SetSinusoidal( adfParm[0], dfFE, dfFN );
1820 :
1821 0 : else if( EQUALN(pszPRJPSB+80,"TC",2) )
1822 0 : oSRS.SetTM( adfParm[2], adfParm[0], adfParm[1], dfFE, dfFN );
1823 :
1824 0 : else if( EQUALN(pszPRJPSB+80,"VA",2) )
1825 0 : oSRS.SetVDG( adfParm[0], dfFE, dfFN );
1826 :
1827 : else
1828 0 : oSRS.SetLocalCS( NITFGetField(szName,pszPRJPSB,0,80) );
1829 :
1830 : /* -------------------------------------------------------------------- */
1831 : /* Try to apply the datum. */
1832 : /* -------------------------------------------------------------------- */
1833 3 : if (nGEOPSBSize < 86 + 4)
1834 : {
1835 : CPLError(CE_Failure, CPLE_AppDefined,
1836 0 : "Cannot read GEOPSB TRE. Not enough bytes");
1837 : return;
1838 : }
1839 3 : LoadDODDatum( &oSRS, NITFGetField(szParm,pszGEOPSB,86,4) );
1840 :
1841 : /* -------------------------------------------------------------------- */
1842 : /* Get the geotransform */
1843 : /* -------------------------------------------------------------------- */
1844 : double adfGT[6];
1845 3 : double dfMeterPerUnit = 1.0;
1846 :
1847 3 : if (nMAPLOBSize < 28 + 15)
1848 : {
1849 : CPLError(CE_Failure, CPLE_AppDefined,
1850 0 : "Cannot read MAPLOB TRE. Not enough bytes");
1851 : return;
1852 : }
1853 :
1854 3 : if( EQUALN(pszMAPLOB+0,"DM ",3) )
1855 0 : dfMeterPerUnit = 0.1;
1856 3 : else if( EQUALN(pszMAPLOB+0,"CM ",3) )
1857 0 : dfMeterPerUnit = 0.01;
1858 3 : else if( EQUALN(pszMAPLOB+0,"MM ",3) )
1859 0 : dfMeterPerUnit = 0.001;
1860 3 : else if( EQUALN(pszMAPLOB+0,"UM ",3) )
1861 0 : dfMeterPerUnit = 0.000001;
1862 3 : else if( EQUALN(pszMAPLOB+0,"KM ",3) )
1863 0 : dfMeterPerUnit = 1000.0;
1864 3 : else if( EQUALN(pszMAPLOB+0,"M ",3) )
1865 3 : dfMeterPerUnit = 1.0;
1866 : else
1867 : {
1868 : CPLError( CE_Warning, CPLE_AppDefined,
1869 : "MAPLOB Unit=%3.3s not regonised, geolocation may be wrong.",
1870 0 : pszMAPLOB+0 );
1871 : }
1872 :
1873 3 : adfGT[0] = atof(NITFGetField(szParm,pszMAPLOB,13,15));
1874 3 : adfGT[1] = atof(NITFGetField(szParm,pszMAPLOB,3,5)) * dfMeterPerUnit;
1875 3 : adfGT[2] = 0.0;
1876 3 : adfGT[3] = atof(NITFGetField(szParm,pszMAPLOB,28,15));
1877 3 : adfGT[4] = 0.0;
1878 3 : adfGT[5] = -atof(NITFGetField(szParm,pszMAPLOB,8,5)) * dfMeterPerUnit;
1879 :
1880 : /* -------------------------------------------------------------------- */
1881 : /* Apply back to dataset. */
1882 : /* -------------------------------------------------------------------- */
1883 3 : CPLFree( pszProjection );
1884 3 : pszProjection = NULL;
1885 :
1886 3 : oSRS.exportToWkt( &pszProjection );
1887 :
1888 3 : memcpy( adfGeoTransform, adfGT, sizeof(double)*6 );
1889 3 : bGotGeoTransform = TRUE;
1890 : }
1891 :
1892 : /************************************************************************/
1893 : /* AdviseRead() */
1894 : /************************************************************************/
1895 :
1896 0 : CPLErr NITFDataset::AdviseRead( int nXOff, int nYOff, int nXSize, int nYSize,
1897 : int nBufXSize, int nBufYSize,
1898 : GDALDataType eDT,
1899 : int nBandCount, int *panBandList,
1900 : char **papszOptions )
1901 :
1902 : {
1903 0 : if( poJ2KDataset == NULL )
1904 : return GDALDataset::AdviseRead( nXOff, nYOff, nXSize, nYSize,
1905 : nBufXSize, nBufYSize, eDT,
1906 : nBandCount, panBandList,
1907 0 : papszOptions);
1908 0 : else if( poJPEGDataset != NULL )
1909 : return poJPEGDataset->AdviseRead( nXOff, nYOff, nXSize, nYSize,
1910 : nBufXSize, nBufYSize, eDT,
1911 : nBandCount, panBandList,
1912 0 : papszOptions);
1913 : else
1914 : return poJ2KDataset->AdviseRead( nXOff, nYOff, nXSize, nYSize,
1915 : nBufXSize, nBufYSize, eDT,
1916 : nBandCount, panBandList,
1917 0 : papszOptions);
1918 : }
1919 :
1920 : /************************************************************************/
1921 : /* IRasterIO() */
1922 : /************************************************************************/
1923 :
1924 865 : CPLErr NITFDataset::IRasterIO( GDALRWFlag eRWFlag,
1925 : int nXOff, int nYOff, int nXSize, int nYSize,
1926 : void * pData, int nBufXSize, int nBufYSize,
1927 : GDALDataType eBufType,
1928 : int nBandCount, int *panBandMap,
1929 : int nPixelSpace, int nLineSpace, int nBandSpace)
1930 :
1931 : {
1932 865 : if( poJ2KDataset != NULL )
1933 : return poJ2KDataset->RasterIO( eRWFlag, nXOff, nYOff, nXSize, nYSize,
1934 : pData, nBufXSize, nBufYSize, eBufType,
1935 : nBandCount, panBandMap,
1936 100 : nPixelSpace, nLineSpace, nBandSpace );
1937 765 : else if( poJPEGDataset != NULL )
1938 : return poJPEGDataset->RasterIO( eRWFlag, nXOff, nYOff, nXSize, nYSize,
1939 : pData, nBufXSize, nBufYSize, eBufType,
1940 : nBandCount, panBandMap,
1941 64 : nPixelSpace, nLineSpace, nBandSpace );
1942 : else
1943 : return GDALDataset::IRasterIO( eRWFlag, nXOff, nYOff, nXSize, nYSize,
1944 : pData, nBufXSize, nBufYSize, eBufType,
1945 : nBandCount, panBandMap,
1946 701 : nPixelSpace, nLineSpace, nBandSpace );
1947 : }
1948 :
1949 :
1950 : /************************************************************************/
1951 : /* GetGeoTransform() */
1952 : /************************************************************************/
1953 :
1954 127 : CPLErr NITFDataset::GetGeoTransform( double *padfGeoTransform )
1955 :
1956 : {
1957 127 : memcpy( padfGeoTransform, adfGeoTransform, sizeof(double) * 6 );
1958 :
1959 127 : if( bGotGeoTransform )
1960 124 : return CE_None;
1961 : else
1962 3 : return GDALPamDataset::GetGeoTransform( padfGeoTransform );
1963 : }
1964 :
1965 : /************************************************************************/
1966 : /* SetGeoTransform() */
1967 : /************************************************************************/
1968 :
1969 67 : CPLErr NITFDataset::SetGeoTransform( double *padfGeoTransform )
1970 :
1971 : {
1972 : double dfIGEOLOULX, dfIGEOLOULY, dfIGEOLOURX, dfIGEOLOURY,
1973 : dfIGEOLOLRX, dfIGEOLOLRY, dfIGEOLOLLX, dfIGEOLOLLY;
1974 :
1975 67 : bGotGeoTransform = TRUE;
1976 : /* Valgrind would complain because SetGeoTransform() is called */
1977 : /* from SetProjection() with adfGeoTransform as argument */
1978 67 : if (adfGeoTransform != padfGeoTransform)
1979 64 : memcpy( adfGeoTransform, padfGeoTransform, sizeof(double) * 6 );
1980 :
1981 67 : dfIGEOLOULX = padfGeoTransform[0] + 0.5 * padfGeoTransform[1]
1982 67 : + 0.5 * padfGeoTransform[2];
1983 67 : dfIGEOLOULY = padfGeoTransform[3] + 0.5 * padfGeoTransform[4]
1984 67 : + 0.5 * padfGeoTransform[5];
1985 67 : dfIGEOLOURX = dfIGEOLOULX + padfGeoTransform[1] * (nRasterXSize - 1);
1986 67 : dfIGEOLOURY = dfIGEOLOULY + padfGeoTransform[4] * (nRasterXSize - 1);
1987 67 : dfIGEOLOLRX = dfIGEOLOULX + padfGeoTransform[1] * (nRasterXSize - 1)
1988 67 : + padfGeoTransform[2] * (nRasterYSize - 1);
1989 67 : dfIGEOLOLRY = dfIGEOLOULY + padfGeoTransform[4] * (nRasterXSize - 1)
1990 67 : + padfGeoTransform[5] * (nRasterYSize - 1);
1991 67 : dfIGEOLOLLX = dfIGEOLOULX + padfGeoTransform[2] * (nRasterYSize - 1);
1992 67 : dfIGEOLOLLY = dfIGEOLOULY + padfGeoTransform[5] * (nRasterYSize - 1);
1993 :
1994 67 : if( NITFWriteIGEOLO( psImage, psImage->chICORDS,
1995 : psImage->nZone,
1996 : dfIGEOLOULX, dfIGEOLOULY, dfIGEOLOURX, dfIGEOLOURY,
1997 : dfIGEOLOLRX, dfIGEOLOLRY, dfIGEOLOLLX, dfIGEOLOLLY ) )
1998 48 : return CE_None;
1999 : else
2000 19 : return GDALPamDataset::SetGeoTransform( padfGeoTransform );
2001 : }
2002 :
2003 : /************************************************************************/
2004 : /* GetProjectionRef() */
2005 : /************************************************************************/
2006 :
2007 119 : const char *NITFDataset::GetProjectionRef()
2008 :
2009 : {
2010 119 : if( bGotGeoTransform )
2011 113 : return pszProjection;
2012 : else
2013 6 : return GDALPamDataset::GetProjectionRef();
2014 : }
2015 :
2016 : /************************************************************************/
2017 : /* SetProjection() */
2018 : /************************************************************************/
2019 :
2020 22 : CPLErr NITFDataset::SetProjection(const char* _pszProjection)
2021 :
2022 : {
2023 : int bNorth;
2024 22 : OGRSpatialReference oSRS, oSRS_WGS84;
2025 22 : char *pszWKT = (char *) _pszProjection;
2026 :
2027 22 : if( pszWKT != NULL )
2028 22 : oSRS.importFromWkt( &pszWKT );
2029 : else
2030 0 : return CE_Failure;
2031 :
2032 22 : oSRS_WGS84.SetWellKnownGeogCS( "WGS84" );
2033 22 : if ( oSRS.IsSameGeogCS(&oSRS_WGS84) == FALSE)
2034 : {
2035 : CPLError(CE_Failure, CPLE_NotSupported,
2036 0 : "NITF only supports WGS84 geographic and UTM projections.\n");
2037 0 : return CE_Failure;
2038 : }
2039 :
2040 22 : if( oSRS.IsGeographic() && oSRS.GetPrimeMeridian() == 0.0)
2041 : {
2042 21 : if (psImage->chICORDS != 'G' && psImage->chICORDS != 'D')
2043 : {
2044 : CPLError(CE_Failure, CPLE_NotSupported,
2045 19 : "NITF file should have been created with creation option 'ICORDS=G' (or 'ICORDS=D').\n");
2046 19 : return CE_Failure;
2047 : }
2048 : }
2049 1 : else if( oSRS.GetUTMZone( &bNorth ) > 0)
2050 : {
2051 1 : if (bNorth && psImage->chICORDS != 'N')
2052 : {
2053 : CPLError(CE_Failure, CPLE_NotSupported,
2054 0 : "NITF file should have been created with creation option 'ICORDS=N'.\n");
2055 0 : return CE_Failure;
2056 : }
2057 1 : else if (!bNorth && psImage->chICORDS != 'S')
2058 : {
2059 : CPLError(CE_Failure, CPLE_NotSupported,
2060 0 : "NITF file should have been created with creation option 'ICORDS=S'.\n");
2061 0 : return CE_Failure;
2062 : }
2063 :
2064 1 : psImage->nZone = oSRS.GetUTMZone( NULL );
2065 : }
2066 : else
2067 : {
2068 : CPLError(CE_Failure, CPLE_NotSupported,
2069 0 : "NITF only supports WGS84 geographic and UTM projections.\n");
2070 0 : return CE_Failure;
2071 : }
2072 :
2073 3 : CPLFree(pszProjection);
2074 3 : pszProjection = CPLStrdup(_pszProjection);
2075 :
2076 3 : if (bGotGeoTransform)
2077 3 : SetGeoTransform(adfGeoTransform);
2078 :
2079 3 : return CE_None;
2080 : }
2081 :
2082 : #ifdef ESRI_BUILD
2083 : /************************************************************************/
2084 : /* InitializeNITFDESMetadata() */
2085 : /************************************************************************/
2086 :
2087 : void NITFDataset::InitializeNITFDESMetadata()
2088 : {
2089 : static const char *pszDESMetadataDomain = "NITF_DES_METADATA";
2090 : static const char *pszDESsDomain = "NITF_DES";
2091 : static const char *pszMDXmlDataContentDESDATA = "NITF_DES_XML_DATA_CONTENT_DESDATA";
2092 : static const char *pszXmlDataContent = "XML_DATA_CONTENT";
2093 : static const int idxXmlDataContentDESDATA = 973;
2094 : static const int sizeXmlDataContent = (int)strlen(pszXmlDataContent);
2095 :
2096 : char **ppszDESMetadataList = oSpecialMD.GetMetadata( pszDESMetadataDomain );
2097 :
2098 : if( ppszDESMetadataList != NULL ) return;
2099 :
2100 : char **ppszDESsList = this->GetMetadata( pszDESsDomain );
2101 :
2102 : if( ppszDESsList == NULL ) return;
2103 :
2104 : bool foundXmlDataContent = false;
2105 : char *pachNITFDES = NULL;
2106 :
2107 : // Set metadata "NITF_DES_XML_DATA_CONTENT_DESDATA".
2108 : // NOTE: There should only be one instance of XML_DATA_CONTENT DES.
2109 :
2110 : while( ((pachNITFDES = *ppszDESsList) != NULL) && (!foundXmlDataContent) )
2111 : {
2112 : // The data stream has been Base64 encoded, need to decode it.
2113 : // NOTE: The actual length of the DES data stream is appended at the beginning of the encoded
2114 : // data and is separated by a space.
2115 :
2116 : const char* pszSpace = strchr(pachNITFDES, ' ');
2117 :
2118 : char* pszData = NULL;
2119 : int nDataLen = 0;
2120 : if( pszSpace )
2121 : {
2122 : pszData = CPLStrdup( pszSpace+1 );
2123 : nDataLen = CPLBase64DecodeInPlace((GByte*)pszData);
2124 : pszData[nDataLen] = 0;
2125 : }
2126 :
2127 : if ( nDataLen > 2 + sizeXmlDataContent && EQUALN(pszData, "DE", 2) )
2128 : {
2129 : // Check to see if this is a XML_DATA_CONTENT DES.
2130 : if ( EQUALN(pszData + 2, pszXmlDataContent, sizeXmlDataContent) &&
2131 : nDataLen > idxXmlDataContentDESDATA )
2132 : {
2133 : foundXmlDataContent = true;
2134 :
2135 : // Get the value of the DESDATA field and set metadata "NITF_DES_XML_DATA_CONTENT_DESDATA".
2136 : const char* pszXML = pszData + idxXmlDataContentDESDATA;
2137 :
2138 : // Set the metadata.
2139 : oSpecialMD.SetMetadataItem( pszMDXmlDataContentDESDATA, pszXML, pszDESMetadataDomain );
2140 : }
2141 : }
2142 :
2143 : CPLFree(pszData);
2144 :
2145 : pachNITFDES = NULL;
2146 : ppszDESsList += 1;
2147 : }
2148 : }
2149 :
2150 :
2151 : /************************************************************************/
2152 : /* InitializeNITFDESs() */
2153 : /************************************************************************/
2154 :
2155 : void NITFDataset::InitializeNITFDESs()
2156 : {
2157 : static const char *pszDESsDomain = "NITF_DES";
2158 :
2159 : char **ppszDESsList = oSpecialMD.GetMetadata( pszDESsDomain );
2160 :
2161 : if( ppszDESsList != NULL ) return;
2162 :
2163 : /* -------------------------------------------------------------------- */
2164 : /* Go through all the segments and process all DES segments. */
2165 : /* -------------------------------------------------------------------- */
2166 :
2167 : char *pachDESData = NULL;
2168 : int nDESDataSize = 0;
2169 : std::string encodedDESData("");
2170 : CPLStringList aosList;
2171 :
2172 : for( int iSegment = 0; iSegment < psFile->nSegmentCount; iSegment++ )
2173 : {
2174 : NITFSegmentInfo *psSegInfo = psFile->pasSegmentInfo + iSegment;
2175 :
2176 : if( EQUAL(psSegInfo->szSegmentType,"DE") )
2177 : {
2178 : nDESDataSize = psSegInfo->nSegmentHeaderSize + psSegInfo->nSegmentSize;
2179 : pachDESData = (char*) VSIMalloc( nDESDataSize + 1 );
2180 :
2181 : if (pachDESData == NULL)
2182 : {
2183 : CPLError( CE_Failure, CPLE_OutOfMemory, "Cannot allocate memory for DES segment" );
2184 : return;
2185 : }
2186 :
2187 : if( VSIFSeekL( psFile->fp, psSegInfo->nSegmentHeaderStart,
2188 : SEEK_SET ) != 0
2189 : || (int)VSIFReadL( pachDESData, 1, nDESDataSize,
2190 : psFile->fp ) != nDESDataSize )
2191 : {
2192 : CPLError( CE_Failure, CPLE_FileIO,
2193 : "Failed to read %d byte DES subheader from " CPL_FRMT_GUIB ".",
2194 : nDESDataSize,
2195 : psSegInfo->nSegmentHeaderStart );
2196 : CPLFree( pachDESData );
2197 : return;
2198 : }
2199 :
2200 : pachDESData[nDESDataSize] = '\0';
2201 :
2202 : /* -------------------------------------------------------------------- */
2203 : /* Accumulate all the DES segments. */
2204 : /* -------------------------------------------------------------------- */
2205 :
2206 : char* pszBase64 = CPLBase64Encode( nDESDataSize, (const GByte *)pachDESData );
2207 : encodedDESData = pszBase64;
2208 : CPLFree(pszBase64);
2209 :
2210 : CPLFree( pachDESData );
2211 : pachDESData = NULL;
2212 :
2213 : if( encodedDESData.empty() )
2214 : {
2215 : CPLError(CE_Failure, CPLE_AppDefined, "Failed to encode DES subheader data!");
2216 : return;
2217 : }
2218 :
2219 : // The length of the DES subheader data plus a space is append to the beginning of the encoded
2220 : // string so that we can recover the actual length of the image subheader when we decode it.
2221 :
2222 : char buffer[20];
2223 :
2224 : sprintf(buffer, "%d", nDESDataSize);
2225 :
2226 : std::string desSubheaderStr(buffer);
2227 : desSubheaderStr.append(" ");
2228 : desSubheaderStr.append(encodedDESData);
2229 :
2230 : aosList.AddString(desSubheaderStr.c_str() );
2231 : }
2232 : }
2233 :
2234 : if (aosList.size() > 0)
2235 : oSpecialMD.SetMetadata( aosList.List(), pszDESsDomain );
2236 : }
2237 :
2238 : /************************************************************************/
2239 : /* InitializeNITFTREs() */
2240 : /************************************************************************/
2241 :
2242 : void NITFDataset::InitializeNITFTREs()
2243 : {
2244 : static const char *pszFileHeaderTREsDomain = "NITF_FILE_HEADER_TRES";
2245 : static const char *pszImageSegmentTREsDomain = "NITF_IMAGE_SEGMENT_TRES";
2246 :
2247 : char **ppszFileHeaderTREsList = oSpecialMD.GetMetadata( pszFileHeaderTREsDomain );
2248 : char **ppszImageSegmentTREsList = oSpecialMD.GetMetadata( pszImageSegmentTREsDomain );
2249 :
2250 : if( (ppszFileHeaderTREsList != NULL) && (ppszImageSegmentTREsList != NULL ) ) return;
2251 :
2252 : /* -------------------------------------------------------------------- */
2253 : /* Loop over TRE sources (file and image). */
2254 : /* -------------------------------------------------------------------- */
2255 :
2256 : for( int nTRESrc = 0; nTRESrc < 2; nTRESrc++ )
2257 : {
2258 : int nTREBytes = 0;
2259 : char *pszTREData = NULL;
2260 : const char *pszTREsDomain = NULL;
2261 : CPLStringList aosList;
2262 :
2263 : /* -------------------------------------------------------------------- */
2264 : /* Extract file header or image segment TREs. */
2265 : /* -------------------------------------------------------------------- */
2266 :
2267 : if( nTRESrc == 0 )
2268 : {
2269 : if( ppszFileHeaderTREsList != NULL ) continue;
2270 :
2271 : nTREBytes = psFile->nTREBytes;
2272 : pszTREData = psFile->pachTRE;
2273 : pszTREsDomain = pszFileHeaderTREsDomain;
2274 : }
2275 : else
2276 : {
2277 : if( ppszImageSegmentTREsList != NULL ) continue;
2278 :
2279 : if( psImage )
2280 : {
2281 : nTREBytes = psImage->nTREBytes;
2282 : pszTREData = psImage->pachTRE;
2283 : pszTREsDomain = pszImageSegmentTREsDomain;
2284 : }
2285 : else
2286 : {
2287 : nTREBytes = 0;
2288 : pszTREData = NULL;
2289 : }
2290 : }
2291 :
2292 : /* -------------------------------------------------------------------- */
2293 : /* Loop over TREs. */
2294 : /* -------------------------------------------------------------------- */
2295 :
2296 : while( nTREBytes >= 11 )
2297 : {
2298 : char szTemp[100];
2299 : char szTag[7];
2300 : char *pszEscapedData = NULL;
2301 : int nThisTRESize = atoi(NITFGetField(szTemp, pszTREData, 6, 5 ));
2302 :
2303 : if (nThisTRESize < 0)
2304 : {
2305 : NITFGetField(szTemp, pszTREData, 0, 6 );
2306 : CPLError(CE_Failure, CPLE_AppDefined, "Invalid size (%d) for TRE %s",
2307 : nThisTRESize, szTemp);
2308 : return;
2309 : }
2310 :
2311 : if (nThisTRESize > nTREBytes - 11)
2312 : {
2313 : CPLError(CE_Failure, CPLE_AppDefined, "Not enough bytes in TRE");
2314 : return;
2315 : }
2316 :
2317 : strncpy( szTag, pszTREData, 6 );
2318 : szTag[6] = '\0';
2319 :
2320 : // trim white off tag.
2321 : while( strlen(szTag) > 0 && szTag[strlen(szTag)-1] == ' ' )
2322 : szTag[strlen(szTag)-1] = '\0';
2323 :
2324 : // escape data.
2325 : pszEscapedData = CPLEscapeString( pszTREData + 6,
2326 : nThisTRESize + 5,
2327 : CPLES_BackslashQuotable );
2328 :
2329 : char * pszLine = (char *) CPLMalloc( strlen(szTag)+strlen(pszEscapedData)+2 );
2330 : sprintf( pszLine, "%s=%s", szTag, pszEscapedData );
2331 : aosList.AddString(pszLine);
2332 : CPLFree(pszLine);
2333 : pszLine = NULL;
2334 :
2335 : CPLFree( pszEscapedData );
2336 : pszEscapedData = NULL;
2337 :
2338 : nTREBytes -= (nThisTRESize + 11);
2339 : pszTREData += (nThisTRESize + 11);
2340 : }
2341 :
2342 : if (aosList.size() > 0)
2343 : oSpecialMD.SetMetadata( aosList.List(), pszTREsDomain );
2344 : }
2345 : }
2346 : #endif
2347 :
2348 : /************************************************************************/
2349 : /* InitializeNITFMetadata() */
2350 : /************************************************************************/
2351 :
2352 2 : void NITFDataset::InitializeNITFMetadata()
2353 :
2354 : {
2355 : static const char *pszDomainName = "NITF_METADATA";
2356 : static const char *pszTagNITFFileHeader = "NITFFileHeader";
2357 : static const char *pszTagNITFImageSubheader = "NITFImageSubheader";
2358 :
2359 2 : if( oSpecialMD.GetMetadata( pszDomainName ) != NULL )
2360 0 : return;
2361 :
2362 : // nHeaderLenOffset is the number of bytes to skip from the beginning of the NITF file header
2363 : // in order to get to the field HL (NITF file header length).
2364 :
2365 2 : int nHeaderLen = 0;
2366 2 : int nHeaderLenOffset = 0;
2367 :
2368 : // Get the NITF file header length.
2369 :
2370 2 : if( psFile->pachHeader != NULL )
2371 : {
2372 4 : if ( (strncmp(psFile->pachHeader, "NITF02.10", 9) == 0) || (strncmp(psFile->pachHeader, "NSIF01.00", 9) == 0) )
2373 2 : nHeaderLenOffset = 354;
2374 0 : else if ( (strncmp(psFile->pachHeader, "NITF01.10", 9) == 0) || (strncmp(psFile->pachHeader, "NITF02.00", 9) == 0) )
2375 0 : nHeaderLenOffset = ( strncmp((psFile->pachHeader+280), "999998", 6 ) == 0 ) ? 394 : 354;
2376 : }
2377 :
2378 : char fieldHL[7];
2379 :
2380 2 : if( nHeaderLenOffset > 0 )
2381 : {
2382 2 : char *pszFieldHL = psFile->pachHeader + nHeaderLenOffset;
2383 :
2384 2 : memcpy(fieldHL, pszFieldHL, 6);
2385 2 : fieldHL[6] = '\0';
2386 2 : nHeaderLen = atoi(fieldHL);
2387 : }
2388 :
2389 2 : if( nHeaderLen <= 0 )
2390 : {
2391 0 : CPLError(CE_Failure, CPLE_AppDefined, "Zero length NITF file header!");
2392 0 : return;
2393 : }
2394 :
2395 : char *encodedHeader = CPLBase64Encode(nHeaderLen,
2396 2 : (GByte*)psFile->pachHeader);
2397 :
2398 2 : if (encodedHeader == NULL || strlen(encodedHeader) == 0 )
2399 : {
2400 : CPLError(CE_Failure, CPLE_AppDefined,
2401 0 : "Failed to encode NITF file header!");
2402 0 : return;
2403 : }
2404 :
2405 : // The length of the NITF file header plus a space is append to the beginning of the encoded string so
2406 : // that we can recover the length of the NITF file header when we decode it without having to pull it
2407 : // out the HL field again.
2408 :
2409 2 : std::string nitfFileheaderStr(fieldHL);
2410 2 : nitfFileheaderStr.append(" ");
2411 2 : nitfFileheaderStr.append(encodedHeader);
2412 :
2413 2 : CPLFree( encodedHeader );
2414 :
2415 2 : oSpecialMD.SetMetadataItem( pszTagNITFFileHeader, nitfFileheaderStr.c_str(), pszDomainName );
2416 :
2417 : // Get the image subheader length.
2418 :
2419 2 : int nImageSubheaderLen = 0;
2420 :
2421 2 : for( int i = 0; i < psFile->nSegmentCount; ++i )
2422 : {
2423 2 : if (strncmp(psFile->pasSegmentInfo[i].szSegmentType, "IM", 2) == 0)
2424 : {
2425 2 : nImageSubheaderLen = psFile->pasSegmentInfo[i].nSegmentHeaderSize;
2426 2 : break;
2427 : }
2428 : }
2429 :
2430 2 : if( nImageSubheaderLen < 0 )
2431 : {
2432 0 : CPLError(CE_Failure, CPLE_AppDefined, "Invalid length NITF image subheader!");
2433 : return;
2434 : }
2435 :
2436 2 : if( nImageSubheaderLen > 0 )
2437 : {
2438 2 : char *encodedImageSubheader = CPLBase64Encode(nImageSubheaderLen,(GByte*) psImage->pachHeader);
2439 :
2440 2 : if( encodedImageSubheader == NULL || strlen(encodedImageSubheader) ==0 )
2441 : {
2442 : CPLError(CE_Failure, CPLE_AppDefined,
2443 0 : "Failed to encode image subheader!");
2444 : return;
2445 : }
2446 :
2447 : // The length of the image subheader plus a space is append to the beginning of the encoded string so
2448 : // that we can recover the actual length of the image subheader when we decode it.
2449 :
2450 : char buffer[20];
2451 :
2452 2 : sprintf(buffer, "%d", nImageSubheaderLen);
2453 :
2454 2 : std::string imageSubheaderStr(buffer);
2455 2 : imageSubheaderStr.append(" ");
2456 2 : imageSubheaderStr.append(encodedImageSubheader);
2457 :
2458 2 : CPLFree( encodedImageSubheader );
2459 :
2460 2 : oSpecialMD.SetMetadataItem( pszTagNITFImageSubheader, imageSubheaderStr.c_str(), pszDomainName );
2461 0 : }
2462 : }
2463 :
2464 : /************************************************************************/
2465 : /* InitializeCGMMetadata() */
2466 : /************************************************************************/
2467 :
2468 11 : void NITFDataset::InitializeCGMMetadata()
2469 :
2470 : {
2471 11 : if( oSpecialMD.GetMetadataItem( "SEGMENT_COUNT", "CGM" ) != NULL )
2472 1 : return;
2473 :
2474 : int iSegment;
2475 10 : int iCGM = 0;
2476 10 : char **papszCGMMetadata = NULL;
2477 :
2478 : papszCGMMetadata =
2479 10 : CSLSetNameValue( papszCGMMetadata, "SEGMENT_COUNT", "0" );
2480 :
2481 : /* ==================================================================== */
2482 : /* Process all graphics segments. */
2483 : /* ==================================================================== */
2484 38 : for( iSegment = 0; iSegment < psFile->nSegmentCount; iSegment++ )
2485 : {
2486 28 : NITFSegmentInfo *psSegment = psFile->pasSegmentInfo + iSegment;
2487 :
2488 28 : if( !EQUAL(psSegment->szSegmentType,"GR")
2489 : && !EQUAL(psSegment->szSegmentType,"SY") )
2490 14 : continue;
2491 :
2492 : papszCGMMetadata =
2493 : CSLSetNameValue( papszCGMMetadata,
2494 : CPLString().Printf("SEGMENT_%d_SLOC_ROW", iCGM),
2495 14 : CPLString().Printf("%d",psSegment->nLOC_R) );
2496 : papszCGMMetadata =
2497 : CSLSetNameValue( papszCGMMetadata,
2498 : CPLString().Printf("SEGMENT_%d_SLOC_COL", iCGM),
2499 28 : CPLString().Printf("%d",psSegment->nLOC_C) );
2500 :
2501 : papszCGMMetadata =
2502 : CSLSetNameValue( papszCGMMetadata,
2503 : CPLString().Printf("SEGMENT_%d_CCS_ROW", iCGM),
2504 28 : CPLString().Printf("%d",psSegment->nCCS_R) );
2505 : papszCGMMetadata =
2506 : CSLSetNameValue( papszCGMMetadata,
2507 : CPLString().Printf("SEGMENT_%d_CCS_COL", iCGM),
2508 28 : CPLString().Printf("%d",psSegment->nCCS_C) );
2509 :
2510 : papszCGMMetadata =
2511 : CSLSetNameValue( papszCGMMetadata,
2512 : CPLString().Printf("SEGMENT_%d_SDLVL", iCGM),
2513 28 : CPLString().Printf("%d",psSegment->nDLVL) );
2514 : papszCGMMetadata =
2515 : CSLSetNameValue( papszCGMMetadata,
2516 : CPLString().Printf("SEGMENT_%d_SALVL", iCGM),
2517 28 : CPLString().Printf("%d",psSegment->nALVL) );
2518 :
2519 : /* -------------------------------------------------------------------- */
2520 : /* Load the raw CGM data itself. */
2521 : /* -------------------------------------------------------------------- */
2522 : char *pabyCGMData, *pszEscapedCGMData;
2523 :
2524 14 : pabyCGMData = (char *) VSICalloc(1,(size_t)psSegment->nSegmentSize);
2525 14 : if (pabyCGMData == NULL)
2526 : {
2527 0 : CPLError( CE_Failure, CPLE_OutOfMemory, "Out of memory");
2528 0 : CSLDestroy( papszCGMMetadata );
2529 0 : return;
2530 : }
2531 14 : if( VSIFSeekL( psFile->fp, psSegment->nSegmentStart,
2532 : SEEK_SET ) != 0
2533 : || VSIFReadL( pabyCGMData, 1, (size_t)psSegment->nSegmentSize,
2534 : psFile->fp ) != psSegment->nSegmentSize )
2535 : {
2536 : CPLError( CE_Warning, CPLE_FileIO,
2537 : "Failed to read " CPL_FRMT_GUIB " bytes of graphic data at " CPL_FRMT_GUIB ".",
2538 : psSegment->nSegmentSize,
2539 0 : psSegment->nSegmentStart );
2540 0 : CPLFree(pabyCGMData);
2541 0 : CSLDestroy( papszCGMMetadata );
2542 0 : return;
2543 : }
2544 :
2545 : pszEscapedCGMData = CPLEscapeString( pabyCGMData,
2546 : (int)psSegment->nSegmentSize,
2547 14 : CPLES_BackslashQuotable );
2548 14 : if (pszEscapedCGMData == NULL)
2549 : {
2550 0 : CPLError( CE_Failure, CPLE_OutOfMemory, "Out of memory");
2551 0 : CPLFree(pabyCGMData);
2552 0 : CSLDestroy( papszCGMMetadata );
2553 0 : return;
2554 : }
2555 :
2556 : papszCGMMetadata =
2557 : CSLSetNameValue( papszCGMMetadata,
2558 : CPLString().Printf("SEGMENT_%d_DATA", iCGM),
2559 14 : pszEscapedCGMData );
2560 14 : CPLFree( pszEscapedCGMData );
2561 14 : CPLFree( pabyCGMData );
2562 :
2563 14 : iCGM++;
2564 : }
2565 :
2566 : /* -------------------------------------------------------------------- */
2567 : /* Record the CGM segment count. */
2568 : /* -------------------------------------------------------------------- */
2569 : papszCGMMetadata =
2570 : CSLSetNameValue( papszCGMMetadata,
2571 : "SEGMENT_COUNT",
2572 10 : CPLString().Printf( "%d", iCGM ) );
2573 :
2574 10 : oSpecialMD.SetMetadata( papszCGMMetadata, "CGM" );
2575 :
2576 10 : CSLDestroy( papszCGMMetadata );
2577 : }
2578 :
2579 : /************************************************************************/
2580 : /* InitializeTextMetadata() */
2581 : /************************************************************************/
2582 :
2583 12 : void NITFDataset::InitializeTextMetadata()
2584 :
2585 : {
2586 12 : if( oSpecialMD.GetMetadata( "TEXT" ) != NULL )
2587 2 : return;
2588 :
2589 : int iSegment;
2590 10 : int iText = 0;
2591 :
2592 : /* ==================================================================== */
2593 : /* Process all text segments. */
2594 : /* ==================================================================== */
2595 237 : for( iSegment = 0; iSegment < psFile->nSegmentCount; iSegment++ )
2596 : {
2597 227 : NITFSegmentInfo *psSegment = psFile->pasSegmentInfo + iSegment;
2598 :
2599 227 : if( !EQUAL(psSegment->szSegmentType,"TX") )
2600 216 : continue;
2601 :
2602 : /* -------------------------------------------------------------------- */
2603 : /* Load the text header */
2604 : /* -------------------------------------------------------------------- */
2605 :
2606 : /* Allocate one extra byte for the NULL terminating character */
2607 : char *pabyHeaderData = (char *) CPLCalloc(1,
2608 11 : (size_t) psSegment->nSegmentHeaderSize + 1);
2609 11 : if (VSIFSeekL(psFile->fp, psSegment->nSegmentHeaderStart,
2610 : SEEK_SET) != 0 ||
2611 : VSIFReadL(pabyHeaderData, 1, (size_t) psSegment->nSegmentHeaderSize,
2612 : psFile->fp) != psSegment->nSegmentHeaderSize)
2613 : {
2614 : CPLError( CE_Warning, CPLE_FileIO,
2615 : "Failed to read %d bytes of text header data at " CPL_FRMT_GUIB ".",
2616 : psSegment->nSegmentHeaderSize,
2617 0 : psSegment->nSegmentHeaderStart);
2618 0 : CPLFree(pabyHeaderData);
2619 0 : return;
2620 : }
2621 :
2622 : oSpecialMD.SetMetadataItem( CPLString().Printf("HEADER_%d", iText),
2623 11 : pabyHeaderData, "TEXT");
2624 11 : CPLFree(pabyHeaderData);
2625 :
2626 : /* -------------------------------------------------------------------- */
2627 : /* Load the raw TEXT data itself. */
2628 : /* -------------------------------------------------------------------- */
2629 : char *pabyTextData;
2630 :
2631 : /* Allocate one extra byte for the NULL terminating character */
2632 11 : pabyTextData = (char *) VSICalloc(1,(size_t)psSegment->nSegmentSize+1);
2633 11 : if (pabyTextData == NULL)
2634 : {
2635 0 : CPLError( CE_Failure, CPLE_OutOfMemory, "Out of memory");
2636 0 : return;
2637 : }
2638 11 : if( VSIFSeekL( psFile->fp, psSegment->nSegmentStart,
2639 : SEEK_SET ) != 0
2640 : || VSIFReadL( pabyTextData, 1, (size_t)psSegment->nSegmentSize,
2641 : psFile->fp ) != psSegment->nSegmentSize )
2642 : {
2643 : CPLError( CE_Warning, CPLE_FileIO,
2644 : "Failed to read " CPL_FRMT_GUIB " bytes of text data at " CPL_FRMT_GUIB ".",
2645 : psSegment->nSegmentSize,
2646 0 : psSegment->nSegmentStart );
2647 0 : CPLFree( pabyTextData );
2648 0 : return;
2649 : }
2650 :
2651 : oSpecialMD.SetMetadataItem( CPLString().Printf( "DATA_%d", iText),
2652 11 : pabyTextData, "TEXT" );
2653 11 : CPLFree( pabyTextData );
2654 :
2655 11 : iText++;
2656 : }
2657 : }
2658 :
2659 : /************************************************************************/
2660 : /* InitializeTREMetadata() */
2661 : /************************************************************************/
2662 :
2663 15 : void NITFDataset::InitializeTREMetadata()
2664 :
2665 : {
2666 15 : if( oSpecialMD.GetMetadata( "TRE" ) != NULL )
2667 3 : return;
2668 :
2669 12 : CPLXMLNode* psTresNode = CPLCreateXMLNode(NULL, CXT_Element, "tres");
2670 :
2671 : /* -------------------------------------------------------------------- */
2672 : /* Loop over TRE sources (file and image). */
2673 : /* -------------------------------------------------------------------- */
2674 : int nTRESrc;
2675 :
2676 36 : for( nTRESrc = 0; nTRESrc < 2; nTRESrc++ )
2677 : {
2678 : int nTREBytes;
2679 : char *pszTREData;
2680 :
2681 24 : if( nTRESrc == 0 )
2682 : {
2683 12 : nTREBytes = psFile->nTREBytes;
2684 12 : pszTREData = psFile->pachTRE;
2685 : }
2686 : else
2687 : {
2688 12 : if( psImage )
2689 : {
2690 12 : nTREBytes = psImage->nTREBytes;
2691 12 : pszTREData = psImage->pachTRE;
2692 : }
2693 : else
2694 : {
2695 0 : nTREBytes = 0;
2696 0 : pszTREData = NULL;
2697 : }
2698 : }
2699 :
2700 : /* -------------------------------------------------------------------- */
2701 : /* Loop over TREs. */
2702 : /* -------------------------------------------------------------------- */
2703 :
2704 61 : while( nTREBytes >= 11 )
2705 : {
2706 : char szTemp[100];
2707 : char szTag[7];
2708 : char *pszEscapedData;
2709 13 : int nThisTRESize = atoi(NITFGetField(szTemp, pszTREData, 6, 5 ));
2710 :
2711 13 : if (nThisTRESize < 0)
2712 : {
2713 0 : NITFGetField(szTemp, pszTREData, 0, 6 );
2714 : CPLError(CE_Failure, CPLE_AppDefined, "Invalid size (%d) for TRE %s",
2715 0 : nThisTRESize, szTemp);
2716 0 : return;
2717 : }
2718 13 : if (nThisTRESize > nTREBytes - 11)
2719 : {
2720 0 : CPLError(CE_Failure, CPLE_AppDefined, "Not enough bytes in TRE");
2721 0 : return;
2722 : }
2723 :
2724 13 : strncpy( szTag, pszTREData, 6 );
2725 13 : szTag[6] = '\0';
2726 :
2727 : // trim white off tag.
2728 26 : while( strlen(szTag) > 0 && szTag[strlen(szTag)-1] == ' ' )
2729 0 : szTag[strlen(szTag)-1] = '\0';
2730 :
2731 13 : CPLXMLNode* psTreNode = NITFCreateXMLTre(psFile, szTag, pszTREData + 11,nThisTRESize);
2732 13 : if (psTreNode)
2733 : {
2734 : CPLCreateXMLNode(CPLCreateXMLNode(psTreNode, CXT_Attribute, "location"),
2735 11 : CXT_Text, nTRESrc == 0 ? "file" : "image");
2736 11 : CPLAddXMLChild(psTresNode, psTreNode);
2737 : }
2738 :
2739 : // escape data.
2740 : pszEscapedData = CPLEscapeString( pszTREData + 11,
2741 : nThisTRESize,
2742 13 : CPLES_BackslashQuotable );
2743 13 : if (pszEscapedData == NULL)
2744 : {
2745 0 : CPLError( CE_Failure, CPLE_OutOfMemory, "Out of memory");
2746 0 : return;
2747 : }
2748 :
2749 : char szUniqueTag[32];
2750 13 : strcpy(szUniqueTag, szTag);
2751 13 : int nCountUnique = 2;
2752 26 : while(oSpecialMD.GetMetadataItem( szUniqueTag, "TRE") != NULL)
2753 : {
2754 0 : sprintf(szUniqueTag, "%s_%d", szTag, nCountUnique);
2755 0 : nCountUnique ++;
2756 : }
2757 13 : oSpecialMD.SetMetadataItem( szUniqueTag, pszEscapedData, "TRE" );
2758 13 : CPLFree( pszEscapedData );
2759 :
2760 13 : nTREBytes -= (nThisTRESize + 11);
2761 13 : pszTREData += (nThisTRESize + 11);
2762 : }
2763 : }
2764 :
2765 : /* -------------------------------------------------------------------- */
2766 : /* Loop over TRE in DES */
2767 : /* -------------------------------------------------------------------- */
2768 : int iSegment;
2769 31 : for( iSegment = 0; iSegment < psFile->nSegmentCount; iSegment++ )
2770 : {
2771 19 : NITFSegmentInfo *psSegInfo = psFile->pasSegmentInfo + iSegment;
2772 : NITFDES *psDES;
2773 19 : int nOffset = 0;
2774 : char szTREName[7];
2775 : int nThisTRESize;
2776 :
2777 19 : if( !EQUAL(psSegInfo->szSegmentType,"DE") )
2778 17 : continue;
2779 :
2780 2 : psDES = NITFDESAccess( psFile, iSegment );
2781 2 : if( psDES == NULL )
2782 0 : continue;
2783 :
2784 2 : char* pabyTREData = NULL;
2785 2 : nOffset = 0;
2786 8 : while (NITFDESGetTRE( psDES, nOffset, szTREName, &pabyTREData, &nThisTRESize))
2787 : {
2788 : char* pszEscapedData = CPLEscapeString( pabyTREData, nThisTRESize,
2789 4 : CPLES_BackslashQuotable );
2790 4 : if (pszEscapedData == NULL)
2791 : {
2792 0 : CPLError( CE_Failure, CPLE_OutOfMemory, "Out of memory");
2793 0 : NITFDESFreeTREData(pabyTREData);
2794 0 : NITFDESDeaccess(psDES);
2795 0 : return;
2796 : }
2797 :
2798 : // trim white off tag.
2799 8 : while( strlen(szTREName) > 0 && szTREName[strlen(szTREName)-1] == ' ' )
2800 0 : szTREName[strlen(szTREName)-1] = '\0';
2801 :
2802 4 : CPLXMLNode* psTreNode = NITFCreateXMLTre(psFile, szTREName, pabyTREData,nThisTRESize);
2803 4 : if (psTreNode)
2804 : {
2805 4 : const char* pszDESID = CSLFetchNameValue(psDES->papszMetadata, "NITF_DESID");
2806 : CPLCreateXMLNode(CPLCreateXMLNode(psTreNode, CXT_Attribute, "location"),
2807 4 : CXT_Text, pszDESID ? CPLSPrintf("des %s", pszDESID) : "des");
2808 4 : CPLAddXMLChild(psTresNode, psTreNode);
2809 : }
2810 :
2811 : char szUniqueTag[32];
2812 4 : strcpy(szUniqueTag, szTREName);
2813 4 : int nCountUnique = 2;
2814 8 : while(oSpecialMD.GetMetadataItem( szUniqueTag, "TRE") != NULL)
2815 : {
2816 0 : sprintf(szUniqueTag, "%s_%d", szTREName, nCountUnique);
2817 0 : nCountUnique ++;
2818 : }
2819 4 : oSpecialMD.SetMetadataItem( szUniqueTag, pszEscapedData, "TRE" );
2820 :
2821 4 : CPLFree(pszEscapedData);
2822 :
2823 4 : nOffset += 11 + nThisTRESize;
2824 :
2825 4 : NITFDESFreeTREData(pabyTREData);
2826 : }
2827 :
2828 2 : NITFDESDeaccess(psDES);
2829 : }
2830 :
2831 12 : if (psTresNode->psChild != NULL)
2832 : {
2833 7 : char* pszXML = CPLSerializeXMLTree(psTresNode);
2834 : char* apszMD[2];
2835 7 : apszMD[0] = pszXML;
2836 7 : apszMD[1] = NULL;
2837 7 : oSpecialMD.SetMetadata( apszMD, "xml:TRE" );
2838 7 : CPLFree(pszXML);
2839 : }
2840 12 : CPLDestroyXMLNode(psTresNode);
2841 : }
2842 :
2843 : /************************************************************************/
2844 : /* GetMetadata() */
2845 : /************************************************************************/
2846 :
2847 135 : char **NITFDataset::GetMetadata( const char * pszDomain )
2848 :
2849 : {
2850 135 : if( pszDomain != NULL && EQUAL(pszDomain,"NITF_METADATA") )
2851 : {
2852 : // InitializeNITFMetadata retrieves the NITF file header and all image segment file headers. (NOTE: The returned strings are base64-encoded).
2853 :
2854 1 : InitializeNITFMetadata();
2855 1 : return oSpecialMD.GetMetadata( pszDomain );
2856 : }
2857 :
2858 : #ifdef ESRI_BUILD
2859 : if( pszDomain != NULL && EQUAL(pszDomain,"NITF_DES") )
2860 : {
2861 : // InitializeNITFDESs retrieves all the DES file headers (NOTE: The returned strings are base64-encoded).
2862 :
2863 : InitializeNITFDESs();
2864 : return oSpecialMD.GetMetadata( pszDomain );
2865 : }
2866 :
2867 : if( pszDomain != NULL && EQUAL(pszDomain,"NITF_DES_METADATA") )
2868 : {
2869 : // InitializeNITFDESs retrieves all the DES file headers (NOTE: The returned strings are base64-encoded).
2870 :
2871 : InitializeNITFDESMetadata();
2872 : return oSpecialMD.GetMetadata( pszDomain );
2873 : }
2874 :
2875 : if( pszDomain != NULL && EQUAL(pszDomain,"NITF_FILE_HEADER_TRES") )
2876 : {
2877 : // InitializeNITFTREs retrieves all the TREs that are resides in the NITF file header and all the
2878 : // TREs that are resides in the current image segment.
2879 : // NOTE: the returned strings are backslash-escaped
2880 :
2881 : InitializeNITFTREs();
2882 : return oSpecialMD.GetMetadata( pszDomain );
2883 : }
2884 :
2885 : if( pszDomain != NULL && EQUAL(pszDomain,"NITF_IMAGE_SEGMENT_TRES") )
2886 : {
2887 : // InitializeNITFTREs retrieves all the TREs that are resides in the NITF file header and all the
2888 : // TREs that are resides in the current image segment.
2889 : // NOTE: the returned strings are backslash-escaped
2890 :
2891 : InitializeNITFTREs();
2892 : return oSpecialMD.GetMetadata( pszDomain );
2893 : }
2894 : #endif
2895 :
2896 134 : if( pszDomain != NULL && EQUAL(pszDomain,"CGM") )
2897 : {
2898 10 : InitializeCGMMetadata();
2899 10 : return oSpecialMD.GetMetadata( pszDomain );
2900 : }
2901 :
2902 124 : if( pszDomain != NULL && EQUAL(pszDomain,"TEXT") )
2903 : {
2904 11 : InitializeTextMetadata();
2905 11 : return oSpecialMD.GetMetadata( pszDomain );
2906 : }
2907 :
2908 113 : if( pszDomain != NULL && EQUAL(pszDomain,"TRE") )
2909 : {
2910 10 : InitializeTREMetadata();
2911 10 : return oSpecialMD.GetMetadata( pszDomain );
2912 : }
2913 :
2914 103 : if( pszDomain != NULL && EQUAL(pszDomain,"xml:TRE") )
2915 : {
2916 3 : InitializeTREMetadata();
2917 3 : return oSpecialMD.GetMetadata( pszDomain );
2918 : }
2919 :
2920 100 : return GDALPamDataset::GetMetadata( pszDomain );
2921 : }
2922 :
2923 : /************************************************************************/
2924 : /* GetMetadataItem() */
2925 : /************************************************************************/
2926 :
2927 1401 : const char *NITFDataset::GetMetadataItem(const char * pszName,
2928 : const char * pszDomain )
2929 :
2930 : {
2931 1401 : if( pszDomain != NULL && EQUAL(pszDomain,"NITF_METADATA") )
2932 : {
2933 : // InitializeNITFMetadata retrieves the NITF file header and all image segment file headers. (NOTE: The returned strings are base64-encoded).
2934 :
2935 1 : InitializeNITFMetadata();
2936 1 : return oSpecialMD.GetMetadataItem( pszName, pszDomain );
2937 : }
2938 :
2939 : #ifdef ESRI_BUILD
2940 : if( pszDomain != NULL && EQUAL(pszDomain,"NITF_DES_METADATA") )
2941 : {
2942 : // InitializeNITFDESs retrieves all the DES file headers (NOTE: The returned strings are base64-encoded).
2943 :
2944 : InitializeNITFDESMetadata();
2945 : return oSpecialMD.GetMetadataItem( pszName, pszDomain );
2946 : }
2947 :
2948 : if( pszDomain != NULL && EQUAL(pszDomain,"NITF_FILE_HEADER_TRES") )
2949 : {
2950 : // InitializeNITFTREs retrieves all the TREs that are resides in the NITF file header and all the
2951 : // TREs that are resides in the current image segment.
2952 : // NOTE: the returned strings are backslash-escaped
2953 :
2954 : InitializeNITFTREs();
2955 : return oSpecialMD.GetMetadataItem( pszName, pszDomain );
2956 : }
2957 :
2958 : if( pszDomain != NULL && EQUAL(pszDomain,"NITF_IMAGE_SEGMENT_TRES") )
2959 : {
2960 : // InitializeNITFTREs retrieves all the TREs that are resides in the NITF file header and all the
2961 : // TREs that are resides in the current image segment.
2962 : // NOTE: the returned strings are backslash-escaped
2963 :
2964 : InitializeNITFTREs();
2965 : return oSpecialMD.GetMetadataItem( pszName, pszDomain );
2966 : }
2967 : #endif
2968 :
2969 1400 : if( pszDomain != NULL && EQUAL(pszDomain,"CGM") )
2970 : {
2971 1 : InitializeCGMMetadata();
2972 1 : return oSpecialMD.GetMetadataItem( pszName, pszDomain );
2973 : }
2974 :
2975 1399 : if( pszDomain != NULL && EQUAL(pszDomain,"TEXT") )
2976 : {
2977 1 : InitializeTextMetadata();
2978 1 : return oSpecialMD.GetMetadataItem( pszName, pszDomain );
2979 : }
2980 :
2981 1398 : if( pszDomain != NULL && EQUAL(pszDomain,"TRE") )
2982 : {
2983 2 : InitializeTREMetadata();
2984 2 : return oSpecialMD.GetMetadataItem( pszName, pszDomain );
2985 : }
2986 :
2987 1396 : if( pszDomain != NULL && EQUAL(pszDomain,"OVERVIEWS")
2988 : && osRSetVRT.size() > 0 )
2989 1 : return osRSetVRT;
2990 :
2991 1395 : return GDALPamDataset::GetMetadataItem( pszName, pszDomain );
2992 : }
2993 :
2994 :
2995 : /************************************************************************/
2996 : /* GetGCPCount() */
2997 : /************************************************************************/
2998 :
2999 10 : int NITFDataset::GetGCPCount()
3000 :
3001 : {
3002 10 : return nGCPCount;
3003 : }
3004 :
3005 : /************************************************************************/
3006 : /* GetGCPProjection() */
3007 : /************************************************************************/
3008 :
3009 0 : const char *NITFDataset::GetGCPProjection()
3010 :
3011 : {
3012 0 : if( nGCPCount > 0 && pszGCPProjection != NULL )
3013 0 : return pszGCPProjection;
3014 : else
3015 0 : return "";
3016 : }
3017 :
3018 : /************************************************************************/
3019 : /* GetGCP() */
3020 : /************************************************************************/
3021 :
3022 0 : const GDAL_GCP *NITFDataset::GetGCPs()
3023 :
3024 : {
3025 0 : return pasGCPList;
3026 : }
3027 :
3028 : /************************************************************************/
3029 : /* CheckForRSets() */
3030 : /* */
3031 : /* Check for reduced resolution images in .r<n> files and if */
3032 : /* found return filename for a virtual file wrapping them as an */
3033 : /* overview file. (#3457) */
3034 : /************************************************************************/
3035 :
3036 546 : int NITFDataset::CheckForRSets( const char *pszNITFFilename )
3037 :
3038 : {
3039 546 : bool isR0File = EQUAL(CPLGetExtension(pszNITFFilename),"r0");
3040 :
3041 : /* -------------------------------------------------------------------- */
3042 : /* Check to see if we have RSets. */
3043 : /* -------------------------------------------------------------------- */
3044 546 : std::vector<CPLString> aosRSetFilenames;
3045 : int i;
3046 :
3047 546 : for( i = 1; i <= 5; i++ )
3048 : {
3049 552 : CPLString osTarget;
3050 : VSIStatBufL sStat;
3051 :
3052 552 : if ( isR0File )
3053 : {
3054 9 : osTarget = pszNITFFilename;
3055 9 : osTarget[osTarget.size()-1] = (char) ('0' + i );
3056 : }
3057 : else
3058 543 : osTarget.Printf( "%s.r%d", pszNITFFilename, i );
3059 :
3060 552 : if( VSIStatL( osTarget, &sStat ) != 0 )
3061 : break;
3062 :
3063 6 : aosRSetFilenames.push_back( osTarget );
3064 : }
3065 :
3066 546 : if( aosRSetFilenames.size() == 0 )
3067 543 : return FALSE;
3068 :
3069 : /* -------------------------------------------------------------------- */
3070 : /* We do, so try to create a wrapping VRT file. */
3071 : /* -------------------------------------------------------------------- */
3072 3 : CPLString osFragment;
3073 : int iBand;
3074 :
3075 : osRSetVRT.Printf( "<VRTDataset rasterXSize=\"%d\" rasterYSize=\"%d\">\n",
3076 3 : GetRasterXSize()/2, GetRasterYSize()/2 );
3077 :
3078 12 : for( iBand = 0; iBand < GetRasterCount(); iBand++ )
3079 : {
3080 9 : GDALRasterBand *poBand = GetRasterBand(iBand+1);
3081 :
3082 : osRSetVRT += osFragment.
3083 : Printf( " <VRTRasterBand dataType=\"%s\" band=\"%d\">\n",
3084 : GDALGetDataTypeName( poBand->GetRasterDataType() ),
3085 9 : iBand+1 );
3086 :
3087 27 : for( i = 0; i < (int) aosRSetFilenames.size(); i++ )
3088 : {
3089 18 : char* pszEscaped = CPLEscapeString(aosRSetFilenames[i].c_str(), -1, CPLES_XML);
3090 18 : if( i == 0 )
3091 : osRSetVRT += osFragment.Printf(
3092 : " <SimpleSource><SourceFilename>%s</SourceFilename><SourceBand>%d</SourceBand></SimpleSource>\n",
3093 9 : pszEscaped, iBand+1 );
3094 : else
3095 : osRSetVRT += osFragment.Printf(
3096 : " <Overview><SourceFilename>%s</SourceFilename><SourceBand>%d</SourceBand></Overview>\n",
3097 9 : pszEscaped, iBand+1 );
3098 18 : CPLFree(pszEscaped);
3099 : }
3100 : osRSetVRT += osFragment.
3101 9 : Printf( " </VRTRasterBand>\n" );
3102 : }
3103 :
3104 3 : osRSetVRT += "</VRTDataset>\n";
3105 :
3106 3 : return TRUE;
3107 : }
3108 :
3109 : /************************************************************************/
3110 : /* IBuildOverviews() */
3111 : /************************************************************************/
3112 :
3113 4 : CPLErr NITFDataset::IBuildOverviews( const char *pszResampling,
3114 : int nOverviews, int *panOverviewList,
3115 : int nListBands, int *panBandList,
3116 : GDALProgressFunc pfnProgress,
3117 : void * pProgressData )
3118 :
3119 : {
3120 : /* -------------------------------------------------------------------- */
3121 : /* If we have been using RSets we will need to clear them first. */
3122 : /* -------------------------------------------------------------------- */
3123 4 : if( osRSetVRT.size() > 0 )
3124 : {
3125 1 : oOvManager.CleanOverviews();
3126 1 : osRSetVRT = "";
3127 : }
3128 :
3129 : /* -------------------------------------------------------------------- */
3130 : /* If we have an underlying JPEG2000 dataset (hopefully via */
3131 : /* JP2KAK) we will try and build zero overviews as a way of */
3132 : /* tricking it into clearing existing overviews-from-jpeg2000. */
3133 : /* -------------------------------------------------------------------- */
3134 5 : if( poJ2KDataset != NULL
3135 1 : && !poJ2KDataset->GetMetadataItem( "OVERVIEW_FILE", "OVERVIEWS" ) )
3136 : poJ2KDataset->IBuildOverviews( pszResampling, 0, NULL,
3137 : nListBands, panBandList,
3138 1 : GDALDummyProgress, NULL );
3139 :
3140 : /* -------------------------------------------------------------------- */
3141 : /* Use the overview manager to build requested overviews. */
3142 : /* -------------------------------------------------------------------- */
3143 : CPLErr eErr = GDALPamDataset::IBuildOverviews( pszResampling,
3144 : nOverviews, panOverviewList,
3145 : nListBands, panBandList,
3146 4 : pfnProgress, pProgressData );
3147 :
3148 : /* -------------------------------------------------------------------- */
3149 : /* If we are working with jpeg or jpeg2000, let the underlying */
3150 : /* dataset know about the overview file. */
3151 : /* -------------------------------------------------------------------- */
3152 4 : GDALDataset *poSubDS = poJ2KDataset;
3153 4 : if( poJPEGDataset )
3154 1 : poSubDS = poJPEGDataset;
3155 :
3156 : const char *pszOverviewFile =
3157 4 : GetMetadataItem( "OVERVIEW_FILE", "OVERVIEWS" );
3158 :
3159 6 : if( poSubDS && pszOverviewFile != NULL && eErr == CE_None
3160 2 : && poSubDS->GetMetadataItem( "OVERVIEW_FILE", "OVERVIEWS") == NULL )
3161 : {
3162 : poSubDS->SetMetadataItem( "OVERVIEW_FILE",
3163 : pszOverviewFile,
3164 2 : "OVERVIEWS" );
3165 : }
3166 :
3167 4 : return eErr;
3168 : }
3169 :
3170 : /************************************************************************/
3171 : /* ScanJPEGQLevel() */
3172 : /* */
3173 : /* Search the NITF APP header in the jpeg data stream to find */
3174 : /* out what predefined Q level tables should be used (or -1 if */
3175 : /* they are inline). */
3176 : /************************************************************************/
3177 :
3178 41 : int NITFDataset::ScanJPEGQLevel( GUIntBig *pnDataStart )
3179 :
3180 : {
3181 : GByte abyHeader[100];
3182 :
3183 41 : if( VSIFSeekL( psFile->fp, *pnDataStart,
3184 : SEEK_SET ) != 0 )
3185 : {
3186 : CPLError( CE_Failure, CPLE_FileIO,
3187 0 : "Seek error to jpeg data stream." );
3188 0 : return 0;
3189 : }
3190 :
3191 41 : if( VSIFReadL( abyHeader, 1, sizeof(abyHeader), psFile->fp )
3192 : < sizeof(abyHeader) )
3193 : {
3194 : CPLError( CE_Failure, CPLE_FileIO,
3195 0 : "Read error to jpeg data stream." );
3196 0 : return 0;
3197 : }
3198 :
3199 : /* -------------------------------------------------------------------- */
3200 : /* Scan ahead for jpeg magic code. In some files (eg. NSIF) */
3201 : /* there seems to be some extra junk before the image data stream. */
3202 : /* -------------------------------------------------------------------- */
3203 41 : GUInt32 nOffset = 0;
3204 205 : while( nOffset < sizeof(abyHeader) - 23
3205 41 : && (abyHeader[nOffset+0] != 0xff
3206 41 : || abyHeader[nOffset+1] != 0xd8
3207 41 : || abyHeader[nOffset+2] != 0xff) )
3208 0 : nOffset++;
3209 :
3210 41 : if( nOffset >= sizeof(abyHeader) - 23 )
3211 0 : return 0;
3212 :
3213 41 : *pnDataStart += nOffset;
3214 :
3215 41 : if( nOffset > 0 )
3216 : CPLDebug( "NITF",
3217 : "JPEG data stream at offset %d from start of data segement, NSIF?",
3218 0 : nOffset );
3219 :
3220 : /* -------------------------------------------------------------------- */
3221 : /* Do we have an NITF app tag? If so, pull out the Q level. */
3222 : /* -------------------------------------------------------------------- */
3223 41 : if( !EQUAL((char *)abyHeader+nOffset+6,"NITF") )
3224 25 : return 0;
3225 :
3226 16 : return abyHeader[22+nOffset];
3227 : }
3228 :
3229 : /************************************************************************/
3230 : /* ScanJPEGBlocks() */
3231 : /************************************************************************/
3232 :
3233 3 : CPLErr NITFDataset::ScanJPEGBlocks()
3234 :
3235 : {
3236 : int iBlock;
3237 : GUIntBig nJPEGStart =
3238 3 : psFile->pasSegmentInfo[psImage->iSegment].nSegmentStart;
3239 :
3240 3 : nQLevel = ScanJPEGQLevel( &nJPEGStart );
3241 :
3242 : /* -------------------------------------------------------------------- */
3243 : /* Allocate offset array */
3244 : /* -------------------------------------------------------------------- */
3245 : panJPEGBlockOffset = (GIntBig *)
3246 : VSICalloc(sizeof(GIntBig),
3247 3 : psImage->nBlocksPerRow*psImage->nBlocksPerColumn);
3248 3 : if (panJPEGBlockOffset == NULL)
3249 : {
3250 0 : CPLError( CE_Failure, CPLE_OutOfMemory, "Out of memory");
3251 0 : return CE_Failure;
3252 : }
3253 3 : panJPEGBlockOffset[0] = nJPEGStart;
3254 :
3255 3 : if ( psImage->nBlocksPerRow * psImage->nBlocksPerColumn == 1)
3256 0 : return CE_None;
3257 :
3258 26 : for( iBlock = psImage->nBlocksPerRow * psImage->nBlocksPerColumn - 1;
3259 : iBlock > 0; iBlock-- )
3260 23 : panJPEGBlockOffset[iBlock] = -1;
3261 :
3262 : /* -------------------------------------------------------------------- */
3263 : /* Scan through the whole image data stream identifying all */
3264 : /* block boundaries. Each block starts with 0xFFD8 (SOI). */
3265 : /* They also end with 0xFFD9, but we don't currently look for */
3266 : /* that. */
3267 : /* -------------------------------------------------------------------- */
3268 3 : int iNextBlock = 1;
3269 3 : GIntBig iSegOffset = 2;
3270 3 : GIntBig iSegSize = psFile->pasSegmentInfo[psImage->iSegment].nSegmentSize
3271 3 : - (nJPEGStart - psFile->pasSegmentInfo[psImage->iSegment].nSegmentStart);
3272 : GByte abyBlock[512];
3273 3 : int ignoreBytes = 0;
3274 :
3275 3587 : while( iSegOffset < iSegSize-1 )
3276 : {
3277 3584 : size_t nReadSize = MIN((size_t)sizeof(abyBlock),(size_t)(iSegSize - iSegOffset));
3278 : size_t i;
3279 :
3280 3584 : if( VSIFSeekL( psFile->fp, panJPEGBlockOffset[0] + iSegOffset,
3281 : SEEK_SET ) != 0 )
3282 : {
3283 : CPLError( CE_Failure, CPLE_FileIO,
3284 0 : "Seek error to jpeg data stream." );
3285 0 : return CE_Failure;
3286 : }
3287 :
3288 3584 : if( VSIFReadL( abyBlock, 1, nReadSize, psFile->fp ) < (size_t)nReadSize)
3289 : {
3290 : CPLError( CE_Failure, CPLE_FileIO,
3291 0 : "Read error to jpeg data stream." );
3292 0 : return CE_Failure;
3293 : }
3294 :
3295 1834360 : for( i = 0; i < nReadSize-1; i++ )
3296 : {
3297 1830779 : if (ignoreBytes == 0)
3298 : {
3299 1830582 : if( abyBlock[i] == 0xff )
3300 : {
3301 : /* start-of-image marker */
3302 9984 : if ( abyBlock[i+1] == 0xd8 )
3303 : {
3304 46 : panJPEGBlockOffset[iNextBlock++]
3305 23 : = panJPEGBlockOffset[0] + iSegOffset + i;
3306 :
3307 23 : if( iNextBlock == psImage->nBlocksPerRow*psImage->nBlocksPerColumn)
3308 : {
3309 3 : return CE_None;
3310 : }
3311 : }
3312 : /* Skip application-specific data to avoid false positive while detecting */
3313 : /* start-of-image markers (#2927). The size of the application data is */
3314 : /* found in the two following bytes */
3315 : /* We need this complex mechanism of ignoreBytes for dealing with */
3316 : /* application data crossing several abyBlock ... */
3317 9961 : else if ( abyBlock[i+1] >= 0xe0 && abyBlock[i+1] < 0xf0 )
3318 : {
3319 7 : ignoreBytes = -2;
3320 : }
3321 : }
3322 : }
3323 197 : else if (ignoreBytes < 0)
3324 : {
3325 14 : if (ignoreBytes == -1)
3326 : {
3327 : /* Size of the application data */
3328 7 : ignoreBytes = abyBlock[i]*256 + abyBlock[i+1];
3329 : }
3330 : else
3331 7 : ignoreBytes++;
3332 : }
3333 : else
3334 : {
3335 183 : ignoreBytes--;
3336 : }
3337 : }
3338 :
3339 3581 : iSegOffset += nReadSize - 1;
3340 : }
3341 :
3342 0 : return CE_None;
3343 : }
3344 :
3345 : /************************************************************************/
3346 : /* ReadJPEGBlock() */
3347 : /************************************************************************/
3348 :
3349 55 : CPLErr NITFDataset::ReadJPEGBlock( int iBlockX, int iBlockY )
3350 :
3351 : {
3352 : CPLErr eErr;
3353 :
3354 : /* -------------------------------------------------------------------- */
3355 : /* If this is our first request, do a scan for block boundaries. */
3356 : /* -------------------------------------------------------------------- */
3357 55 : if( panJPEGBlockOffset == NULL )
3358 : {
3359 5 : if (EQUAL(psImage->szIC,"M3"))
3360 : {
3361 : /* -------------------------------------------------------------------- */
3362 : /* When a data mask subheader is present, we don't need to scan */
3363 : /* the whole file. We just use the psImage->panBlockStart table */
3364 : /* -------------------------------------------------------------------- */
3365 : panJPEGBlockOffset = (GIntBig *)
3366 : VSICalloc(sizeof(GIntBig),
3367 2 : psImage->nBlocksPerRow*psImage->nBlocksPerColumn);
3368 2 : if (panJPEGBlockOffset == NULL)
3369 : {
3370 0 : CPLError( CE_Failure, CPLE_OutOfMemory, "Out of memory");
3371 0 : return CE_Failure;
3372 : }
3373 : int i;
3374 31 : for (i=0;i< psImage->nBlocksPerRow*psImage->nBlocksPerColumn;i++)
3375 : {
3376 29 : panJPEGBlockOffset[i] = psImage->panBlockStart[i];
3377 29 : if (panJPEGBlockOffset[i] != -1 && panJPEGBlockOffset[i] != 0xffffffff)
3378 : {
3379 25 : GUIntBig nOffset = panJPEGBlockOffset[i];
3380 25 : nQLevel = ScanJPEGQLevel(&nOffset);
3381 : /* The beginning of the JPEG stream should be the offset */
3382 : /* from the panBlockStart table */
3383 25 : if (nOffset != (GUIntBig)panJPEGBlockOffset[i])
3384 : {
3385 : CPLError(CE_Failure, CPLE_AppDefined,
3386 0 : "JPEG block doesn't start at expected offset");
3387 0 : return CE_Failure;
3388 : }
3389 : }
3390 : }
3391 : }
3392 : else /* 'C3' case */
3393 : {
3394 : /* -------------------------------------------------------------------- */
3395 : /* Scan through the whole image data stream identifying all */
3396 : /* block boundaries. */
3397 : /* -------------------------------------------------------------------- */
3398 3 : eErr = ScanJPEGBlocks();
3399 3 : if( eErr != CE_None )
3400 0 : return eErr;
3401 : }
3402 : }
3403 :
3404 : /* -------------------------------------------------------------------- */
3405 : /* Allocate image data block (where the uncompressed image will go) */
3406 : /* -------------------------------------------------------------------- */
3407 55 : if( pabyJPEGBlock == NULL )
3408 : {
3409 : /* Allocate enough memory to hold 12bit JPEG data */
3410 : pabyJPEGBlock = (GByte *)
3411 : VSICalloc(psImage->nBands,
3412 5 : psImage->nBlockWidth * psImage->nBlockHeight * 2);
3413 5 : if (pabyJPEGBlock == NULL)
3414 : {
3415 0 : CPLError( CE_Failure, CPLE_OutOfMemory, "Out of memory");
3416 0 : return CE_Failure;
3417 : }
3418 : }
3419 :
3420 :
3421 : /* -------------------------------------------------------------------- */
3422 : /* Read JPEG Chunk. */
3423 : /* -------------------------------------------------------------------- */
3424 55 : CPLString osFilename;
3425 55 : int iBlock = iBlockX + iBlockY * psImage->nBlocksPerRow;
3426 : GDALDataset *poDS;
3427 55 : int anBands[3] = { 1, 2, 3 };
3428 :
3429 55 : if (panJPEGBlockOffset[iBlock] == -1 || panJPEGBlockOffset[iBlock] == 0xffffffff)
3430 : {
3431 4 : memset(pabyJPEGBlock, 0, psImage->nBands*psImage->nBlockWidth*psImage->nBlockHeight*2);
3432 4 : return CE_None;
3433 : }
3434 :
3435 : osFilename.Printf( "JPEG_SUBFILE:Q%d," CPL_FRMT_GIB ",%d,%s",
3436 : nQLevel,
3437 : panJPEGBlockOffset[iBlock], 0,
3438 51 : osNITFFilename.c_str() );
3439 :
3440 51 : poDS = (GDALDataset *) GDALOpen( osFilename, GA_ReadOnly );
3441 51 : if( poDS == NULL )
3442 0 : return CE_Failure;
3443 :
3444 51 : if( poDS->GetRasterXSize() != psImage->nBlockWidth
3445 : || poDS->GetRasterYSize() != psImage->nBlockHeight )
3446 : {
3447 : CPLError( CE_Failure, CPLE_AppDefined,
3448 : "JPEG block %d not same size as NITF blocksize.",
3449 0 : iBlock );
3450 0 : delete poDS;
3451 0 : return CE_Failure;
3452 : }
3453 :
3454 51 : if( poDS->GetRasterCount() < psImage->nBands )
3455 : {
3456 : CPLError( CE_Failure, CPLE_AppDefined,
3457 : "JPEG block %d has not enough bands.",
3458 0 : iBlock );
3459 0 : delete poDS;
3460 0 : return CE_Failure;
3461 : }
3462 :
3463 51 : if( poDS->GetRasterBand(1)->GetRasterDataType() != GetRasterBand(1)->GetRasterDataType())
3464 : {
3465 : CPLError( CE_Failure, CPLE_AppDefined,
3466 : "JPEG block %d data type (%s) not consistant with band data type (%s).",
3467 : iBlock, GDALGetDataTypeName(poDS->GetRasterBand(1)->GetRasterDataType()),
3468 0 : GDALGetDataTypeName(GetRasterBand(1)->GetRasterDataType()) );
3469 0 : delete poDS;
3470 0 : return CE_Failure;
3471 : }
3472 :
3473 : eErr = poDS->RasterIO( GF_Read,
3474 : 0, 0,
3475 : psImage->nBlockWidth, psImage->nBlockHeight,
3476 : pabyJPEGBlock,
3477 : psImage->nBlockWidth, psImage->nBlockHeight,
3478 51 : GetRasterBand(1)->GetRasterDataType(), psImage->nBands, anBands, 0, 0, 0 );
3479 :
3480 51 : delete poDS;
3481 :
3482 51 : return eErr;
3483 : }
3484 :
3485 : /************************************************************************/
3486 : /* GetFileList() */
3487 : /************************************************************************/
3488 :
3489 113 : char **NITFDataset::GetFileList()
3490 :
3491 : {
3492 113 : char **papszFileList = GDALPamDataset::GetFileList();
3493 :
3494 : /* -------------------------------------------------------------------- */
3495 : /* Check for .imd file. */
3496 : /* -------------------------------------------------------------------- */
3497 113 : papszFileList = AddFile( papszFileList, "IMD", "imd" );
3498 :
3499 : /* -------------------------------------------------------------------- */
3500 : /* Check for .rpb file. */
3501 : /* -------------------------------------------------------------------- */
3502 113 : papszFileList = AddFile( papszFileList, "RPB", "rpb" );
3503 :
3504 : /* -------------------------------------------------------------------- */
3505 : /* Check for other files. */
3506 : /* -------------------------------------------------------------------- */
3507 113 : papszFileList = AddFile( papszFileList, "ATT", "att" );
3508 113 : papszFileList = AddFile( papszFileList, "EPH", "eph" );
3509 113 : papszFileList = AddFile( papszFileList, "GEO", "geo" );
3510 113 : papszFileList = AddFile( papszFileList, "XML", "xml" );
3511 :
3512 113 : return papszFileList;
3513 : }
3514 :
3515 : /************************************************************************/
3516 : /* AddFile() */
3517 : /* */
3518 : /* Helper method for GetFileList() */
3519 : /************************************************************************/
3520 678 : char **NITFDataset::AddFile(char **papszFileList, const char* EXTENSION, const char* extension)
3521 : {
3522 : VSIStatBufL sStatBuf;
3523 678 : CPLString osTarget = CPLResetExtension( osNITFFilename, EXTENSION );
3524 678 : if( VSIStatL( osTarget, &sStatBuf ) == 0 )
3525 0 : papszFileList = CSLAddString( papszFileList, osTarget );
3526 : else
3527 : {
3528 678 : osTarget = CPLResetExtension( osNITFFilename, extension );
3529 678 : if( VSIStatL( osTarget, &sStatBuf ) == 0 )
3530 0 : papszFileList = CSLAddString( papszFileList, osTarget );
3531 : }
3532 :
3533 678 : return papszFileList;
3534 : }
3535 :
3536 : /************************************************************************/
3537 : /* GDALToNITFDataType() */
3538 : /************************************************************************/
3539 :
3540 219 : static const char *GDALToNITFDataType( GDALDataType eType )
3541 :
3542 : {
3543 : const char *pszPVType;
3544 :
3545 219 : switch( eType )
3546 : {
3547 : case GDT_Byte:
3548 : case GDT_UInt16:
3549 : case GDT_UInt32:
3550 189 : pszPVType = "INT";
3551 189 : break;
3552 :
3553 : case GDT_Int16:
3554 : case GDT_Int32:
3555 10 : pszPVType = "SI";
3556 10 : break;
3557 :
3558 : case GDT_Float32:
3559 : case GDT_Float64:
3560 8 : pszPVType = "R";
3561 8 : break;
3562 :
3563 : case GDT_CInt16:
3564 : case GDT_CInt32:
3565 : CPLError( CE_Failure, CPLE_AppDefined,
3566 6 : "NITF format does not support complex integer data." );
3567 6 : return NULL;
3568 :
3569 : case GDT_CFloat32:
3570 3 : pszPVType = "C";
3571 3 : break;
3572 :
3573 : default:
3574 : CPLError( CE_Failure, CPLE_AppDefined,
3575 : "Unsupported raster pixel type (%s).",
3576 3 : GDALGetDataTypeName(eType) );
3577 3 : return NULL;
3578 : }
3579 :
3580 210 : return pszPVType;
3581 : }
3582 :
3583 : /************************************************************************/
3584 : /* NITFJP2Options() */
3585 : /* */
3586 : /* Prepare JP2-in-NITF creation options based in part of the */
3587 : /* NITF creation options. */
3588 : /************************************************************************/
3589 :
3590 3 : static char **NITFJP2Options( char **papszOptions )
3591 :
3592 : {
3593 : int i;
3594 3 : char** papszJP2Options = NULL;
3595 :
3596 3 : papszJP2Options = CSLAddString(papszJP2Options, "PROFILE=NPJE");
3597 3 : papszJP2Options = CSLAddString(papszJP2Options, "CODESTREAM_ONLY=TRUE");
3598 :
3599 10 : for( i = 0; papszOptions != NULL && papszOptions[i] != NULL; i++ )
3600 : {
3601 7 : if( EQUALN(papszOptions[i],"PROFILE=",8) )
3602 : {
3603 0 : CPLFree(papszJP2Options[0]);
3604 0 : papszJP2Options[0] = CPLStrdup(papszOptions[i]);
3605 : }
3606 7 : else if( EQUALN(papszOptions[i],"TARGET=",7) )
3607 3 : papszJP2Options = CSLAddString(papszJP2Options, papszOptions[i]);
3608 : }
3609 :
3610 3 : return papszJP2Options;
3611 : }
3612 :
3613 :
3614 :
3615 : /************************************************************************/
3616 : /* NITFExtractTEXTAndCGMCreationOption() */
3617 : /************************************************************************/
3618 :
3619 213 : static char** NITFExtractTEXTAndCGMCreationOption( GDALDataset* poSrcDS,
3620 : char **papszOptions,
3621 : char ***ppapszTextMD,
3622 : char ***ppapszCgmMD )
3623 : {
3624 213 : char** papszFullOptions = CSLDuplicate(papszOptions);
3625 :
3626 : /* -------------------------------------------------------------------- */
3627 : /* Prepare for text segments. */
3628 : /* -------------------------------------------------------------------- */
3629 213 : int iOpt, nNUMT = 0;
3630 213 : char **papszTextMD = CSLFetchNameValueMultiple (papszOptions, "TEXT");
3631 : // Notice: CSLFetchNameValueMultiple remove the leading "TEXT=" when
3632 : // returning the list, which is what we want.
3633 :
3634 : // Use TEXT information from original image if no creation option is passed in.
3635 213 : if (poSrcDS != NULL && papszTextMD == NULL)
3636 : {
3637 : // Read CGM adata from original image, duplicate the list becuase
3638 : // we frees papszCgmMD at end of the function.
3639 45 : papszTextMD = CSLDuplicate( poSrcDS->GetMetadata( "TEXT" ));
3640 : }
3641 :
3642 233 : for( iOpt = 0;
3643 12 : papszTextMD != NULL && papszTextMD[iOpt] != NULL;
3644 : iOpt++ )
3645 : {
3646 8 : if( !EQUALN(papszTextMD[iOpt],"DATA_",5) )
3647 3 : continue;
3648 :
3649 5 : nNUMT++;
3650 : }
3651 :
3652 213 : if( nNUMT > 0 )
3653 : {
3654 : papszFullOptions = CSLAddString( papszFullOptions,
3655 : CPLString().Printf( "NUMT=%d",
3656 4 : nNUMT ) );
3657 : }
3658 :
3659 : /* -------------------------------------------------------------------- */
3660 : /* Prepare for CGM segments. */
3661 : /* -------------------------------------------------------------------- */
3662 : const char *pszNUMS; // graphic segment option string
3663 213 : int nNUMS = 0;
3664 :
3665 213 : char **papszCgmMD = CSLFetchNameValueMultiple (papszOptions, "CGM");
3666 : // Notice: CSLFetchNameValueMultiple remove the leading "CGM=" when
3667 : // returning the list, which is what we want.
3668 :
3669 : // Use CGM information from original image if no creation option is passed in.
3670 213 : if (poSrcDS != NULL && papszCgmMD == NULL)
3671 : {
3672 : // Read CGM adata from original image, duplicate the list becuase
3673 : // we frees papszCgmMD at end of the function.
3674 45 : papszCgmMD = CSLDuplicate( poSrcDS->GetMetadata( "CGM" ));
3675 : }
3676 :
3677 : // Set NUMS based on the number of segments
3678 213 : if (papszCgmMD != NULL)
3679 : {
3680 8 : pszNUMS = CSLFetchNameValue(papszCgmMD, "SEGMENT_COUNT");
3681 :
3682 8 : if (pszNUMS != NULL) {
3683 8 : nNUMS = atoi(pszNUMS);
3684 : }
3685 : papszFullOptions = CSLAddString(papszFullOptions,
3686 8 : CPLString().Printf("NUMS=%d", nNUMS));
3687 : }
3688 :
3689 213 : *ppapszTextMD = papszTextMD;
3690 213 : *ppapszCgmMD = papszCgmMD;
3691 :
3692 213 : return papszFullOptions;
3693 : }
3694 :
3695 : /************************************************************************/
3696 : /* NITFDatasetCreate() */
3697 : /************************************************************************/
3698 :
3699 : GDALDataset *
3700 173 : NITFDataset::NITFDatasetCreate( const char *pszFilename, int nXSize, int nYSize, int nBands,
3701 : GDALDataType eType, char **papszOptions )
3702 :
3703 : {
3704 173 : const char *pszPVType = GDALToNITFDataType( eType );
3705 173 : const char *pszIC = CSLFetchNameValue( papszOptions, "IC" );
3706 :
3707 173 : if( pszPVType == NULL )
3708 6 : return NULL;
3709 :
3710 : /* -------------------------------------------------------------------- */
3711 : /* We disallow any IC value except NC when creating this way. */
3712 : /* -------------------------------------------------------------------- */
3713 167 : GDALDriver *poJ2KDriver = NULL;
3714 :
3715 168 : if( pszIC != NULL && EQUAL(pszIC,"C8") )
3716 : {
3717 1 : int bHasCreate = FALSE;
3718 :
3719 1 : poJ2KDriver = GetGDALDriverManager()->GetDriverByName( "JP2ECW" );
3720 1 : if( poJ2KDriver != NULL )
3721 : bHasCreate = poJ2KDriver->GetMetadataItem( GDAL_DCAP_CREATE,
3722 1 : NULL ) != NULL;
3723 1 : if( !bHasCreate )
3724 : {
3725 : CPLError( CE_Failure, CPLE_AppDefined,
3726 : "Unable to create JPEG2000 encoded NITF files. The\n"
3727 0 : "JP2ECW driver is unavailable, or missing Create support." );
3728 0 : return NULL;
3729 : }
3730 : }
3731 :
3732 166 : else if( pszIC != NULL && !EQUAL(pszIC,"NC") )
3733 : {
3734 : CPLError( CE_Failure, CPLE_AppDefined,
3735 : "Unsupported compression (IC=%s) used in direct\n"
3736 : "NITF File creation",
3737 0 : pszIC );
3738 0 : return NULL;
3739 : }
3740 :
3741 167 : const char* pszSDE_TRE = CSLFetchNameValue(papszOptions, "SDE_TRE");
3742 167 : if (pszSDE_TRE != NULL)
3743 : {
3744 : CPLError( CE_Warning, CPLE_AppDefined,
3745 0 : "SDE_TRE creation option ignored by Create() method (only valid in CreateCopy())" );
3746 : }
3747 :
3748 :
3749 : /* -------------------------------------------------------------------- */
3750 : /* Prepare for text and CGM segments. */
3751 : /* -------------------------------------------------------------------- */
3752 167 : char **papszTextMD = NULL;
3753 167 : char **papszCgmMD = NULL;
3754 : char **papszFullOptions = NITFExtractTEXTAndCGMCreationOption( NULL,
3755 : papszOptions,
3756 : &papszTextMD,
3757 167 : &papszCgmMD );
3758 :
3759 : /* -------------------------------------------------------------------- */
3760 : /* Create the file. */
3761 : /* -------------------------------------------------------------------- */
3762 :
3763 167 : if( !NITFCreate( pszFilename, nXSize, nYSize, nBands,
3764 : GDALGetDataTypeSize( eType ), pszPVType,
3765 : papszFullOptions ) )
3766 : {
3767 9 : CSLDestroy(papszTextMD);
3768 9 : CSLDestroy(papszCgmMD);
3769 9 : CSLDestroy(papszFullOptions);
3770 9 : return NULL;
3771 : }
3772 :
3773 158 : CSLDestroy(papszFullOptions);
3774 158 : papszFullOptions = NULL;
3775 :
3776 : /* -------------------------------------------------------------------- */
3777 : /* Various special hacks related to JPEG2000 encoded files. */
3778 : /* -------------------------------------------------------------------- */
3779 158 : GDALDataset* poWritableJ2KDataset = NULL;
3780 158 : if( poJ2KDriver )
3781 : {
3782 1 : NITFFile *psFile = NITFOpen( pszFilename, TRUE );
3783 1 : if (psFile == NULL)
3784 : {
3785 0 : CSLDestroy(papszTextMD);
3786 0 : CSLDestroy(papszCgmMD);
3787 0 : return NULL;
3788 : }
3789 1 : GUIntBig nImageOffset = psFile->pasSegmentInfo[0].nSegmentStart;
3790 :
3791 1 : CPLString osDSName;
3792 :
3793 1 : osDSName.Printf("/vsisubfile/" CPL_FRMT_GUIB "_%d,%s", nImageOffset, -1, pszFilename);
3794 :
3795 1 : NITFClose( psFile );
3796 :
3797 1 : char** papszJP2Options = NITFJP2Options(papszOptions);
3798 : poWritableJ2KDataset =
3799 : poJ2KDriver->Create( osDSName, nXSize, nYSize, nBands, eType,
3800 1 : papszJP2Options );
3801 1 : CSLDestroy(papszJP2Options);
3802 :
3803 1 : if( poWritableJ2KDataset == NULL )
3804 : {
3805 0 : CSLDestroy(papszTextMD);
3806 0 : CSLDestroy(papszCgmMD);
3807 0 : return NULL;
3808 0 : }
3809 : }
3810 :
3811 : /* -------------------------------------------------------------------- */
3812 : /* Open the dataset in update mode. */
3813 : /* -------------------------------------------------------------------- */
3814 158 : GDALOpenInfo oOpenInfo( pszFilename, GA_Update );
3815 : NITFDataset* poDS = (NITFDataset*)
3816 158 : NITFDataset::OpenInternal(&oOpenInfo, poWritableJ2KDataset, TRUE);
3817 158 : if (poDS)
3818 : {
3819 158 : poDS->papszTextMDToWrite = papszTextMD;
3820 158 : poDS->papszCgmMDToWrite = papszCgmMD;
3821 : }
3822 : else
3823 : {
3824 0 : CSLDestroy(papszTextMD);
3825 0 : CSLDestroy(papszCgmMD);
3826 : }
3827 158 : return poDS;
3828 : }
3829 :
3830 : /************************************************************************/
3831 : /* NITFCreateCopy() */
3832 : /************************************************************************/
3833 :
3834 : GDALDataset *
3835 47 : NITFDataset::NITFCreateCopy(
3836 : const char *pszFilename, GDALDataset *poSrcDS,
3837 : int bStrict, char **papszOptions,
3838 : GDALProgressFunc pfnProgress, void * pProgressData )
3839 :
3840 : {
3841 : GDALDataType eType;
3842 : GDALRasterBand *poBand1;
3843 47 : int bJPEG2000 = FALSE;
3844 47 : int bJPEG = FALSE;
3845 47 : NITFDataset *poDstDS = NULL;
3846 47 : GDALDriver *poJ2KDriver = NULL;
3847 :
3848 47 : int nBands = poSrcDS->GetRasterCount();
3849 47 : if( nBands == 0 )
3850 : {
3851 : CPLError( CE_Failure, CPLE_NotSupported,
3852 1 : "Unable to export files with zero bands." );
3853 1 : return NULL;
3854 : }
3855 :
3856 46 : poBand1 = poSrcDS->GetRasterBand(1);
3857 46 : if( poBand1 == NULL )
3858 : {
3859 0 : return NULL;
3860 : }
3861 :
3862 : /* -------------------------------------------------------------------- */
3863 : /* Only allow supported compression values. */
3864 : /* -------------------------------------------------------------------- */
3865 46 : const char* pszIC = CSLFetchNameValue( papszOptions, "IC" );
3866 46 : if( pszIC != NULL )
3867 : {
3868 8 : if( EQUAL(pszIC,"NC") )
3869 : /* ok */;
3870 8 : else if( EQUAL(pszIC,"C8") )
3871 : {
3872 : poJ2KDriver =
3873 3 : GetGDALDriverManager()->GetDriverByName( "JP2ECW" );
3874 5 : if( poJ2KDriver == NULL ||
3875 2 : poJ2KDriver->GetMetadataItem( GDAL_DCAP_CREATECOPY, NULL ) == NULL )
3876 : {
3877 : /* Try with Jasper as an alternate driver */
3878 : poJ2KDriver =
3879 1 : GetGDALDriverManager()->GetDriverByName( "JPEG2000" );
3880 : }
3881 3 : if( poJ2KDriver == NULL )
3882 : {
3883 : /* Try with JP2KAK as an alternate driver */
3884 : poJ2KDriver =
3885 0 : GetGDALDriverManager()->GetDriverByName( "JP2KAK" );
3886 : }
3887 3 : if( poJ2KDriver == NULL )
3888 : {
3889 : CPLError(
3890 : CE_Failure, CPLE_AppDefined,
3891 : "Unable to write JPEG2000 compressed NITF file.\n"
3892 : "No 'subfile' JPEG2000 write supporting drivers are\n"
3893 0 : "configured." );
3894 0 : return NULL;
3895 : }
3896 3 : bJPEG2000 = TRUE;
3897 : }
3898 10 : else if( EQUAL(pszIC,"C3") || EQUAL(pszIC,"M3") )
3899 : {
3900 5 : bJPEG = TRUE;
3901 : #ifndef JPEG_SUPPORTED
3902 : CPLError(
3903 : CE_Failure, CPLE_AppDefined,
3904 : "Unable to write JPEG compressed NITF file.\n"
3905 : "Libjpeg is not configured into build." );
3906 : return NULL;
3907 : #endif
3908 : }
3909 : else
3910 : {
3911 : CPLError( CE_Failure, CPLE_AppDefined,
3912 : "Only IC=NC (uncompressed), IC=C3/M3 (JPEG) and IC=C8 (JPEG2000)\n"
3913 0 : "allowed with NITF CreateCopy method." );
3914 0 : return NULL;
3915 : }
3916 : }
3917 :
3918 : /* -------------------------------------------------------------------- */
3919 : /* Get the data type. Complex integers isn't supported by */
3920 : /* NITF, so map that to complex float if we aren't in strict */
3921 : /* mode. */
3922 : /* -------------------------------------------------------------------- */
3923 46 : eType = poBand1->GetRasterDataType();
3924 46 : if( !bStrict && (eType == GDT_CInt16 || eType == GDT_CInt32) )
3925 0 : eType = GDT_CFloat32;
3926 :
3927 : /* -------------------------------------------------------------------- */
3928 : /* Prepare for text and CGM segments. */
3929 : /* -------------------------------------------------------------------- */
3930 46 : char **papszTextMD = NULL;
3931 46 : char **papszCgmMD = NULL;
3932 : char **papszFullOptions = NITFExtractTEXTAndCGMCreationOption( poSrcDS,
3933 : papszOptions,
3934 : &papszTextMD,
3935 46 : &papszCgmMD );
3936 :
3937 : /* -------------------------------------------------------------------- */
3938 : /* Copy over other source metadata items as creation options */
3939 : /* that seem useful. */
3940 : /* -------------------------------------------------------------------- */
3941 46 : char **papszSrcMD = poSrcDS->GetMetadata();
3942 : int iMD;
3943 :
3944 410 : for( iMD = 0; papszSrcMD && papszSrcMD[iMD]; iMD++ )
3945 : {
3946 718 : if( EQUALN(papszSrcMD[iMD],"NITF_BLOCKA",11)
3947 354 : || EQUALN(papszSrcMD[iMD],"NITF_FHDR",9) )
3948 : {
3949 15 : char *pszName = NULL;
3950 15 : const char *pszValue = CPLParseNameValue( papszSrcMD[iMD],
3951 30 : &pszName );
3952 15 : if( CSLFetchNameValue( papszFullOptions, pszName+5 ) == NULL )
3953 : papszFullOptions =
3954 14 : CSLSetNameValue( papszFullOptions, pszName+5, pszValue );
3955 15 : CPLFree(pszName);
3956 : }
3957 : }
3958 :
3959 : /* -------------------------------------------------------------------- */
3960 : /* Copy TRE definitions as creation options. */
3961 : /* -------------------------------------------------------------------- */
3962 46 : papszSrcMD = poSrcDS->GetMetadata( "TRE" );
3963 :
3964 46 : for( iMD = 0; papszSrcMD && papszSrcMD[iMD]; iMD++ )
3965 : {
3966 1 : CPLString osTRE;
3967 :
3968 3 : if (EQUALN(papszSrcMD[iMD], "RPFHDR", 6) ||
3969 1 : EQUALN(papszSrcMD[iMD], "RPFIMG", 6) ||
3970 1 : EQUALN(papszSrcMD[iMD], "RPFDES", 6))
3971 : {
3972 : /* Do not copy RPF TRE. They contain absolute offsets */
3973 : /* No chance that they make sense in the new NITF file */
3974 0 : continue;
3975 : }
3976 :
3977 1 : osTRE = "TRE=";
3978 1 : osTRE += papszSrcMD[iMD];
3979 :
3980 1 : papszFullOptions = CSLAddString( papszFullOptions, osTRE );
3981 : }
3982 :
3983 : /* -------------------------------------------------------------------- */
3984 : /* Set if we can set IREP. */
3985 : /* -------------------------------------------------------------------- */
3986 46 : if( CSLFetchNameValue(papszFullOptions,"IREP") == NULL )
3987 : {
3988 69 : if ( ((poSrcDS->GetRasterCount() == 3 && bJPEG) ||
3989 : (poSrcDS->GetRasterCount() >= 3 && !bJPEG)) && eType == GDT_Byte &&
3990 9 : poSrcDS->GetRasterBand(1)->GetColorInterpretation() == GCI_RedBand &&
3991 7 : poSrcDS->GetRasterBand(2)->GetColorInterpretation() == GCI_GreenBand &&
3992 7 : poSrcDS->GetRasterBand(3)->GetColorInterpretation() == GCI_BlueBand)
3993 : {
3994 7 : if( bJPEG )
3995 : papszFullOptions =
3996 3 : CSLSetNameValue( papszFullOptions, "IREP", "YCbCr601" );
3997 : else
3998 : papszFullOptions =
3999 4 : CSLSetNameValue( papszFullOptions, "IREP", "RGB" );
4000 : }
4001 56 : else if( poSrcDS->GetRasterCount() == 1 && eType == GDT_Byte
4002 17 : && poBand1->GetColorTable() != NULL )
4003 : {
4004 : papszFullOptions =
4005 1 : CSLSetNameValue( papszFullOptions, "IREP", "RGB/LUT" );
4006 : papszFullOptions =
4007 : CSLSetNameValue( papszFullOptions, "LUT_SIZE",
4008 : CPLString().Printf(
4009 1 : "%d", poBand1->GetColorTable()->GetColorEntryCount()) );
4010 : }
4011 38 : else if( GDALDataTypeIsComplex(eType) )
4012 : papszFullOptions =
4013 4 : CSLSetNameValue( papszFullOptions, "IREP", "NODISPLY" );
4014 :
4015 : else
4016 : papszFullOptions =
4017 34 : CSLSetNameValue( papszFullOptions, "IREP", "MONO" );
4018 : }
4019 :
4020 : /* -------------------------------------------------------------------- */
4021 : /* Do we have lat/long georeferencing information? */
4022 : /* -------------------------------------------------------------------- */
4023 : double adfGeoTransform[6];
4024 46 : int bWriteGeoTransform = FALSE;
4025 46 : int bNorth, nZone = 0;
4026 46 : OGRSpatialReference oSRS, oSRS_WGS84;
4027 46 : char *pszWKT = (char *) poSrcDS->GetProjectionRef();
4028 :
4029 46 : if( pszWKT != NULL && pszWKT[0] != '\0' )
4030 : {
4031 40 : oSRS.importFromWkt( &pszWKT );
4032 :
4033 : /* NITF is only WGS84 */
4034 40 : oSRS_WGS84.SetWellKnownGeogCS( "WGS84" );
4035 40 : if ( oSRS.IsSameGeogCS(&oSRS_WGS84) == FALSE)
4036 : {
4037 : CPLError((bStrict) ? CE_Failure : CE_Warning, CPLE_NotSupported,
4038 12 : "NITF only supports WGS84 geographic and UTM projections.\n");
4039 12 : if (bStrict)
4040 : {
4041 0 : CSLDestroy(papszFullOptions);
4042 0 : CSLDestroy(papszCgmMD);
4043 0 : CSLDestroy(papszTextMD);
4044 0 : return NULL;
4045 : }
4046 : }
4047 :
4048 40 : const char* pszICORDS = CSLFetchNameValue(papszFullOptions, "ICORDS");
4049 :
4050 : /* -------------------------------------------------------------------- */
4051 : /* Should we write DIGEST Spatial Data Extension TRE ? */
4052 : /* -------------------------------------------------------------------- */
4053 40 : const char* pszSDE_TRE = CSLFetchNameValue(papszFullOptions, "SDE_TRE");
4054 40 : int bSDE_TRE = pszSDE_TRE && CSLTestBoolean(pszSDE_TRE);
4055 40 : if (bSDE_TRE)
4056 : {
4057 5 : if( oSRS.IsGeographic() && oSRS.GetPrimeMeridian() == 0.0
4058 1 : && poSrcDS->GetGeoTransform( adfGeoTransform ) == CE_None &&
4059 2 : adfGeoTransform[2] == 0.0 && adfGeoTransform[4] == 0.0 &&
4060 1 : adfGeoTransform[5] < 0.0)
4061 : {
4062 : /* Override ICORDS to G if necessary */
4063 1 : if (pszICORDS != NULL && EQUAL(pszICORDS, "D"))
4064 : {
4065 : papszFullOptions =
4066 0 : CSLSetNameValue( papszFullOptions, "ICORDS", "G" );
4067 : CPLError(CE_Warning, CPLE_AppDefined,
4068 0 : "Forcing ICORDS=G when writing GEOLOB");
4069 : }
4070 : else
4071 : {
4072 : /* Code a bit below will complain with other ICORDS value */
4073 : }
4074 :
4075 1 : if (CSLPartialFindString(papszFullOptions, "TRE=GEOLOB=") != - 1)
4076 : {
4077 : CPLDebug("NITF", "GEOLOB TRE was explicitely defined before. "
4078 0 : "Overriding it with current georefencing info.");
4079 : }
4080 :
4081 : /* Structure of SDE TRE documented here */
4082 : /*http://www.gwg.nga.mil/ntb/baseline/docs/digest/part2_annex_d.pdf */
4083 :
4084 : /* -------------------------------------------------------------------- */
4085 : /* Write GEOLOB TRE */
4086 : /* -------------------------------------------------------------------- */
4087 : char szGEOLOB[48+1];
4088 1 : char* pszGEOLOB = szGEOLOB;
4089 1 : double dfARV = 360.0 / adfGeoTransform[1];
4090 1 : double dfBRV = 360.0 / -adfGeoTransform[5];
4091 1 : double dfLSO = adfGeoTransform[0];
4092 1 : double dfPSO = adfGeoTransform[3];
4093 1 : sprintf(pszGEOLOB, "%09d", (int)(dfARV + 0.5)); pszGEOLOB += 9;
4094 1 : sprintf(pszGEOLOB, "%09d", (int)(dfBRV + 0.5)); pszGEOLOB += 9;
4095 1 : sprintf(pszGEOLOB, "%#+015.10f", dfLSO); pszGEOLOB += 15;
4096 1 : sprintf(pszGEOLOB, "%#+015.10f", dfPSO); pszGEOLOB += 15;
4097 1 : CPLAssert(pszGEOLOB == szGEOLOB + 48);
4098 :
4099 1 : CPLString osGEOLOB("TRE=GEOLOB=");
4100 1 : osGEOLOB += szGEOLOB;
4101 1 : papszFullOptions = CSLAddString( papszFullOptions, osGEOLOB ) ;
4102 :
4103 : /* -------------------------------------------------------------------- */
4104 : /* Write GEOPSB TRE if not already explicitely provided */
4105 : /* -------------------------------------------------------------------- */
4106 1 : if (CSLPartialFindString(papszFullOptions, "FILE_TRE=GEOPSB=") == -1 &&
4107 : CSLPartialFindString(papszFullOptions, "TRE=GEOPSB=") == -1)
4108 : {
4109 : char szGEOPSB[443+1];
4110 1 : memset(szGEOPSB, ' ', 443);
4111 1 : szGEOPSB[443] = 0;
4112 : #define WRITE_STR_NOSZ(dst, src) memcpy(dst, src, strlen(src))
4113 1 : char* pszGEOPSB = szGEOPSB;
4114 1 : WRITE_STR_NOSZ(pszGEOPSB, "GEO"); pszGEOPSB += 3;
4115 1 : WRITE_STR_NOSZ(pszGEOPSB, "DEG"); pszGEOPSB += 3;
4116 1 : WRITE_STR_NOSZ(pszGEOPSB, "World Geodetic System 1984"); pszGEOPSB += 80;
4117 1 : WRITE_STR_NOSZ(pszGEOPSB, "WGE"); pszGEOPSB += 4;
4118 1 : WRITE_STR_NOSZ(pszGEOPSB, "World Geodetic System 1984"); pszGEOPSB += 80;
4119 1 : WRITE_STR_NOSZ(pszGEOPSB, "WE"); pszGEOPSB += 3;
4120 1 : WRITE_STR_NOSZ(pszGEOPSB, "Geodetic"); pszGEOPSB += 80; /* DVR */
4121 1 : WRITE_STR_NOSZ(pszGEOPSB, "GEOD"); pszGEOPSB += 4; /* VDCDVR */
4122 1 : WRITE_STR_NOSZ(pszGEOPSB, "Mean Sea"); pszGEOPSB += 80; /* SDA */
4123 1 : WRITE_STR_NOSZ(pszGEOPSB, "MSL"); pszGEOPSB += 4; /* VDCSDA */
4124 1 : WRITE_STR_NOSZ(pszGEOPSB, "000000000000000"); pszGEOPSB += 15; /* ZOR */
4125 1 : pszGEOPSB += 3; /* GRD */
4126 1 : pszGEOPSB += 80; /* GRN */
4127 1 : WRITE_STR_NOSZ(pszGEOPSB, "0000"); pszGEOPSB += 4; /* ZNA */
4128 1 : CPLAssert(pszGEOPSB == szGEOPSB + 443);
4129 :
4130 1 : CPLString osGEOPSB("FILE_TRE=GEOPSB=");
4131 1 : osGEOPSB += szGEOPSB;
4132 1 : papszFullOptions = CSLAddString( papszFullOptions, osGEOPSB ) ;
4133 : }
4134 : else
4135 : {
4136 0 : CPLDebug("NITF", "GEOPSB TRE was explicitely defined before. Keeping it.");
4137 1 : }
4138 :
4139 : }
4140 : else
4141 : {
4142 : CPLError((bStrict) ? CE_Failure : CE_Warning, CPLE_NotSupported,
4143 0 : "Georeferencing info isn't compatible with writing a GEOLOB TRE (only geographic SRS handled for now)");
4144 0 : if (bStrict)
4145 : {
4146 0 : CSLDestroy(papszFullOptions);
4147 0 : return NULL;
4148 : }
4149 : }
4150 : }
4151 :
4152 68 : if( oSRS.IsGeographic() && oSRS.GetPrimeMeridian() == 0.0
4153 28 : && poSrcDS->GetGeoTransform( adfGeoTransform ) == CE_None )
4154 : {
4155 28 : if (pszICORDS == NULL)
4156 : {
4157 : papszFullOptions =
4158 26 : CSLSetNameValue( papszFullOptions, "ICORDS", "G" );
4159 : }
4160 2 : else if (EQUAL(pszICORDS, "G") || EQUAL(pszICORDS, "D"))
4161 : {
4162 : /* Do nothing */
4163 : }
4164 : else
4165 : {
4166 : CPLError((bStrict) ? CE_Failure : CE_Warning, CPLE_NotSupported,
4167 : "Inconsistant ICORDS value with SRS : %s%s.\n", pszICORDS,
4168 0 : (!bStrict) ? ". Setting it to G instead" : "");
4169 0 : if (bStrict)
4170 : {
4171 0 : CSLDestroy(papszFullOptions);
4172 0 : return NULL;
4173 : }
4174 : papszFullOptions =
4175 0 : CSLSetNameValue( papszFullOptions, "ICORDS", "G" );
4176 : }
4177 28 : bWriteGeoTransform = TRUE;
4178 : }
4179 :
4180 24 : else if( oSRS.GetUTMZone( &bNorth ) > 0
4181 12 : && poSrcDS->GetGeoTransform( adfGeoTransform ) == CE_None )
4182 : {
4183 12 : if( bNorth )
4184 : papszFullOptions =
4185 12 : CSLSetNameValue( papszFullOptions, "ICORDS", "N" );
4186 : else
4187 : papszFullOptions =
4188 0 : CSLSetNameValue( papszFullOptions, "ICORDS", "S" );
4189 :
4190 12 : nZone = oSRS.GetUTMZone( NULL );
4191 12 : bWriteGeoTransform = TRUE;
4192 : }
4193 : else
4194 : {
4195 : CPLError((bStrict) ? CE_Failure : CE_Warning, CPLE_NotSupported,
4196 0 : "NITF only supports WGS84 geographic and UTM projections.\n");
4197 0 : if (bStrict)
4198 : {
4199 0 : CSLDestroy(papszFullOptions);
4200 0 : CSLDestroy(papszCgmMD);
4201 0 : CSLDestroy(papszTextMD);
4202 0 : return NULL;
4203 : }
4204 : }
4205 : }
4206 :
4207 : /* -------------------------------------------------------------------- */
4208 : /* Create the output file. */
4209 : /* -------------------------------------------------------------------- */
4210 46 : int nXSize = poSrcDS->GetRasterXSize();
4211 46 : int nYSize = poSrcDS->GetRasterYSize();
4212 46 : const char *pszPVType = GDALToNITFDataType( eType );
4213 :
4214 46 : if( pszPVType == NULL )
4215 : {
4216 3 : CSLDestroy(papszFullOptions);
4217 3 : CSLDestroy(papszCgmMD);
4218 3 : CSLDestroy(papszTextMD);
4219 3 : return NULL;
4220 : }
4221 :
4222 43 : if (!NITFCreate( pszFilename, nXSize, nYSize, poSrcDS->GetRasterCount(),
4223 : GDALGetDataTypeSize( eType ), pszPVType,
4224 : papszFullOptions ))
4225 : {
4226 3 : CSLDestroy( papszFullOptions );
4227 3 : CSLDestroy(papszCgmMD);
4228 3 : CSLDestroy(papszTextMD);
4229 3 : return NULL;
4230 : }
4231 :
4232 40 : CSLDestroy( papszFullOptions );
4233 40 : papszFullOptions = NULL;
4234 :
4235 : /* ==================================================================== */
4236 : /* JPEG2000 case. We need to write the data through a J2K */
4237 : /* driver in pixel interleaved form. */
4238 : /* ==================================================================== */
4239 40 : if( bJPEG2000 )
4240 : {
4241 3 : NITFFile *psFile = NITFOpen( pszFilename, TRUE );
4242 3 : if (psFile == NULL)
4243 : {
4244 0 : CSLDestroy(papszCgmMD);
4245 0 : CSLDestroy(papszTextMD);
4246 0 : return NULL;
4247 : }
4248 :
4249 3 : GDALDataset *poJ2KDataset = NULL;
4250 3 : GUIntBig nImageOffset = psFile->pasSegmentInfo[0].nSegmentStart;
4251 3 : CPLString osDSName;
4252 :
4253 3 : NITFClose( psFile );
4254 :
4255 : osDSName.Printf( "/vsisubfile/" CPL_FRMT_GUIB "_%d,%s",
4256 : nImageOffset, -1,
4257 3 : pszFilename );
4258 :
4259 3 : if (EQUAL(poJ2KDriver->GetDescription(), "JP2ECW"))
4260 : {
4261 2 : char** papszJP2Options = NITFJP2Options(papszOptions);
4262 : poJ2KDataset =
4263 : poJ2KDriver->CreateCopy( osDSName, poSrcDS, FALSE,
4264 : papszJP2Options,
4265 2 : pfnProgress, pProgressData );
4266 2 : CSLDestroy(papszJP2Options);
4267 : }
4268 : else
4269 : {
4270 : /* Jasper case */
4271 1 : const char* apszOptions[] = { "FORMAT=JPC", NULL };
4272 : poJ2KDataset =
4273 : poJ2KDriver->CreateCopy( osDSName, poSrcDS, FALSE,
4274 : (char **)apszOptions,
4275 1 : pfnProgress, pProgressData );
4276 : }
4277 3 : if( poJ2KDataset == NULL )
4278 : {
4279 0 : CSLDestroy(papszCgmMD);
4280 0 : CSLDestroy(papszTextMD);
4281 0 : return NULL;
4282 : }
4283 :
4284 3 : delete poJ2KDataset;
4285 :
4286 : // Now we need to figure out the actual length of the file
4287 : // and correct the image segment size information.
4288 : GIntBig nPixelCount = nXSize * ((GIntBig) nYSize) *
4289 3 : poSrcDS->GetRasterCount();
4290 :
4291 3 : NITFPatchImageLength( pszFilename, nImageOffset, nPixelCount, "C8" );
4292 3 : NITFWriteCGMSegments( pszFilename, papszCgmMD );
4293 3 : NITFWriteTextSegments( pszFilename, papszTextMD );
4294 :
4295 3 : GDALOpenInfo oOpenInfo( pszFilename, GA_Update );
4296 3 : poDstDS = (NITFDataset *) Open( &oOpenInfo );
4297 :
4298 3 : if( poDstDS == NULL )
4299 : {
4300 0 : CSLDestroy(papszCgmMD);
4301 0 : CSLDestroy(papszTextMD);
4302 0 : return NULL;
4303 0 : }
4304 : }
4305 :
4306 : /* ==================================================================== */
4307 : /* Loop copying bands to an uncompressed file. */
4308 : /* ==================================================================== */
4309 37 : else if( bJPEG )
4310 : {
4311 : #ifdef JPEG_SUPPORTED
4312 4 : NITFFile *psFile = NITFOpen( pszFilename, TRUE );
4313 4 : if (psFile == NULL)
4314 : {
4315 0 : CSLDestroy(papszCgmMD);
4316 0 : CSLDestroy(papszTextMD);
4317 0 : return NULL;
4318 : }
4319 4 : GUIntBig nImageOffset = psFile->pasSegmentInfo[0].nSegmentStart;
4320 : int bSuccess;
4321 :
4322 : bSuccess =
4323 : NITFWriteJPEGImage( poSrcDS, psFile->fp, nImageOffset,
4324 : papszOptions,
4325 4 : pfnProgress, pProgressData );
4326 :
4327 4 : if( !bSuccess )
4328 : {
4329 0 : NITFClose( psFile );
4330 0 : CSLDestroy(papszCgmMD);
4331 0 : CSLDestroy(papszTextMD);
4332 0 : return NULL;
4333 : }
4334 :
4335 : // Now we need to figure out the actual length of the file
4336 : // and correct the image segment size information.
4337 : GIntBig nPixelCount = nXSize * ((GIntBig) nYSize) *
4338 4 : poSrcDS->GetRasterCount();
4339 :
4340 4 : NITFClose( psFile );
4341 :
4342 : NITFPatchImageLength( pszFilename, nImageOffset,
4343 4 : nPixelCount, pszIC );
4344 :
4345 4 : NITFWriteCGMSegments( pszFilename, papszCgmMD );
4346 4 : NITFWriteTextSegments( pszFilename, papszTextMD );
4347 :
4348 4 : GDALOpenInfo oOpenInfo( pszFilename, GA_Update );
4349 4 : poDstDS = (NITFDataset *) Open( &oOpenInfo );
4350 :
4351 4 : if( poDstDS == NULL )
4352 : {
4353 0 : CSLDestroy(papszCgmMD);
4354 0 : CSLDestroy(papszTextMD);
4355 0 : return NULL;
4356 0 : }
4357 : #endif /* def JPEG_SUPPORTED */
4358 : }
4359 :
4360 : /* ==================================================================== */
4361 : /* Loop copying bands to an uncompressed file. */
4362 : /* ==================================================================== */
4363 : else
4364 : {
4365 33 : NITFWriteCGMSegments( pszFilename, papszCgmMD );
4366 33 : NITFWriteTextSegments( pszFilename, papszTextMD );
4367 :
4368 33 : GDALOpenInfo oOpenInfo( pszFilename, GA_Update );
4369 33 : poDstDS = (NITFDataset *) Open( &oOpenInfo );
4370 33 : if( poDstDS == NULL )
4371 : {
4372 0 : CSLDestroy(papszCgmMD);
4373 0 : CSLDestroy(papszTextMD);
4374 0 : return NULL;
4375 : }
4376 :
4377 33 : void *pData = VSIMalloc2(nXSize, (GDALGetDataTypeSize(eType) / 8));
4378 33 : if (pData == NULL)
4379 : {
4380 0 : delete poDstDS;
4381 0 : CSLDestroy(papszCgmMD);
4382 0 : CSLDestroy(papszTextMD);
4383 0 : return NULL;
4384 : }
4385 :
4386 33 : CPLErr eErr = CE_None;
4387 :
4388 82 : for( int iBand = 0; eErr == CE_None && iBand < poSrcDS->GetRasterCount(); iBand++ )
4389 : {
4390 49 : GDALRasterBand *poSrcBand = poSrcDS->GetRasterBand( iBand+1 );
4391 49 : GDALRasterBand *poDstBand = poDstDS->GetRasterBand( iBand+1 );
4392 :
4393 : /* -------------------------------------------------------------------- */
4394 : /* Do we need to copy a colortable or other metadata? */
4395 : /* -------------------------------------------------------------------- */
4396 : GDALColorTable *poCT;
4397 :
4398 49 : poCT = poSrcBand->GetColorTable();
4399 49 : if( poCT != NULL )
4400 1 : poDstBand->SetColorTable( poCT );
4401 :
4402 : /* -------------------------------------------------------------------- */
4403 : /* Copy image data. */
4404 : /* -------------------------------------------------------------------- */
4405 1879 : for( int iLine = 0; iLine < nYSize; iLine++ )
4406 : {
4407 : eErr = poSrcBand->RasterIO( GF_Read, 0, iLine, nXSize, 1,
4408 1830 : pData, nXSize, 1, eType, 0, 0 );
4409 1830 : if( eErr != CE_None )
4410 0 : break;
4411 :
4412 : eErr = poDstBand->RasterIO( GF_Write, 0, iLine, nXSize, 1,
4413 1830 : pData, nXSize, 1, eType, 0, 0 );
4414 :
4415 1830 : if( eErr != CE_None )
4416 0 : break;
4417 :
4418 1830 : if( !pfnProgress( (iBand + (iLine+1) / (double) nYSize)
4419 : / (double) poSrcDS->GetRasterCount(),
4420 : NULL, pProgressData ) )
4421 : {
4422 0 : CPLError( CE_Failure, CPLE_UserInterrupt, "User terminated" );
4423 0 : eErr = CE_Failure;
4424 0 : break;
4425 : }
4426 : }
4427 : }
4428 :
4429 33 : CPLFree( pData );
4430 :
4431 33 : if ( eErr != CE_None )
4432 : {
4433 0 : delete poDstDS;
4434 0 : CSLDestroy(papszCgmMD);
4435 0 : CSLDestroy(papszTextMD);
4436 0 : return NULL;
4437 0 : }
4438 : }
4439 :
4440 : /* -------------------------------------------------------------------- */
4441 : /* Set the georeferencing. */
4442 : /* -------------------------------------------------------------------- */
4443 40 : if( bWriteGeoTransform )
4444 : {
4445 35 : poDstDS->psImage->nZone = nZone;
4446 35 : poDstDS->SetGeoTransform( adfGeoTransform );
4447 : }
4448 :
4449 40 : poDstDS->CloneInfo( poSrcDS, GCIF_PAM_DEFAULT );
4450 :
4451 40 : CSLDestroy(papszCgmMD);
4452 40 : CSLDestroy(papszTextMD);
4453 :
4454 40 : return poDstDS;
4455 : }
4456 :
4457 : /************************************************************************/
4458 : /* NITFPatchImageLength() */
4459 : /* */
4460 : /* Fixup various stuff we don't know till we have written the */
4461 : /* imagery. In particular the file length, image data length */
4462 : /* and the compression ratio achieved. */
4463 : /************************************************************************/
4464 :
4465 8 : static void NITFPatchImageLength( const char *pszFilename,
4466 : GUIntBig nImageOffset,
4467 : GIntBig nPixelCount,
4468 : const char *pszIC )
4469 :
4470 : {
4471 8 : VSILFILE *fpVSIL = VSIFOpenL( pszFilename, "r+b" );
4472 8 : if( fpVSIL == NULL )
4473 0 : return;
4474 :
4475 8 : VSIFSeekL( fpVSIL, 0, SEEK_END );
4476 8 : GUIntBig nFileLen = VSIFTellL( fpVSIL );
4477 :
4478 : /* -------------------------------------------------------------------- */
4479 : /* Update total file length. */
4480 : /* -------------------------------------------------------------------- */
4481 8 : if (nFileLen >= (GUIntBig)(1e12 - 1))
4482 : {
4483 : CPLError(CE_Failure, CPLE_AppDefined,
4484 : "Too big file : " CPL_FRMT_GUIB ". Truncating to 999999999998",
4485 0 : nFileLen);
4486 0 : nFileLen = (GUIntBig)(1e12 - 2);
4487 : }
4488 8 : VSIFSeekL( fpVSIL, 342, SEEK_SET );
4489 8 : CPLString osLen = CPLString().Printf("%012" CPL_FRMT_GB_WITHOUT_PREFIX "u",nFileLen);
4490 8 : VSIFWriteL( (void *) osLen.c_str(), 1, 12, fpVSIL );
4491 :
4492 : /* -------------------------------------------------------------------- */
4493 : /* Update the image data length. */
4494 : /* -------------------------------------------------------------------- */
4495 8 : GUIntBig nImageSize = nFileLen-nImageOffset;
4496 8 : if (GUINTBIG_TO_DOUBLE(nImageSize) >= 1e10 - 1)
4497 : {
4498 : CPLError(CE_Failure, CPLE_AppDefined,
4499 : "Too big image size : " CPL_FRMT_GUIB". Truncating to 9999999998",
4500 0 : nImageSize);
4501 0 : nImageSize = (GUIntBig)(1e10 - 2);
4502 : }
4503 8 : VSIFSeekL( fpVSIL, 369, SEEK_SET );
4504 8 : osLen = CPLString().Printf("%010" CPL_FRMT_GB_WITHOUT_PREFIX "u",nImageSize);
4505 8 : VSIFWriteL( (void *) osLen.c_str(), 1, 10, fpVSIL );
4506 :
4507 : /* -------------------------------------------------------------------- */
4508 : /* Update COMRAT, the compression rate variable. We have to */
4509 : /* take into account the presence of graphic and text segments, */
4510 : /* the optional presence of IGEOLO and ICOM to find its position. */
4511 : /* -------------------------------------------------------------------- */
4512 : char szICBuf[2];
4513 : char achNUM[4]; // buffer for segment size. 3 digits plus null character
4514 8 : achNUM[3] = '\0';
4515 :
4516 : // get number of graphic and text segment so we can calculate offset for
4517 : // image IC.
4518 8 : int nNumIOffset = 360;
4519 8 : VSIFSeekL( fpVSIL, nNumIOffset, SEEK_SET );
4520 8 : VSIFReadL( achNUM, 1, 3, fpVSIL );
4521 8 : int nIM = atoi(achNUM); // number of image segment
4522 :
4523 8 : int nNumSOffset = nNumIOffset + 3 + nIM * 16;
4524 8 : VSIFSeekL( fpVSIL, nNumSOffset, SEEK_SET );
4525 8 : VSIFReadL( achNUM, 1, 3, fpVSIL );
4526 8 : int nGS = atoi(achNUM); // number of graphic segment
4527 :
4528 8 : int nNumTOffset = nNumSOffset + 3 + 10 * nGS + 3;
4529 8 : VSIFSeekL( fpVSIL, nNumTOffset, SEEK_SET );
4530 8 : VSIFReadL( achNUM, 1, 3, fpVSIL );
4531 8 : int nTS = atoi(achNUM); // number of text segment
4532 :
4533 8 : int nAdditionalOffset = nGS * 10 + nTS * 9;
4534 :
4535 : /* Read ICORDS */
4536 8 : VSIFSeekL( fpVSIL, 775 + nAdditionalOffset , SEEK_SET );
4537 : char chICORDS;
4538 8 : VSIFReadL( &chICORDS, 1, 1, fpVSIL );
4539 8 : if (chICORDS != ' ')
4540 7 : VSIFSeekL( fpVSIL, 60, SEEK_CUR); /* skip IGEOLO */
4541 :
4542 : /* Read NICOM */
4543 : char achNICOM[2];
4544 8 : VSIFReadL( achNICOM, 1, 1, fpVSIL );
4545 8 : achNICOM[1] = 0;
4546 8 : int nNICOM = atoi(achNICOM);
4547 8 : VSIFSeekL( fpVSIL, nNICOM * 80, SEEK_CUR); /* skip comments */
4548 :
4549 : /* Read IC */
4550 8 : VSIFReadL( szICBuf, 2, 1, fpVSIL );
4551 :
4552 : /* The following line works around a "feature" of *BSD libc (at least PC-BSD 7.1) */
4553 : /* that makes the position of the file offset unreliable when executing a */
4554 : /* "seek, read and write" sequence. After the read(), the file offset seen by */
4555 : /* the write() is approximatively the size of a block further... */
4556 8 : VSIFSeekL( fpVSIL, VSIFTellL( fpVSIL ), SEEK_SET );
4557 :
4558 8 : if( !EQUALN(szICBuf,pszIC,2) )
4559 : {
4560 : CPLError( CE_Warning, CPLE_AppDefined,
4561 0 : "Unable to locate COMRAT to update in NITF header." );
4562 : }
4563 : else
4564 : {
4565 : char szCOMRAT[5];
4566 :
4567 8 : if( EQUAL(pszIC,"C8") ) /* jpeg2000 */
4568 : {
4569 4 : double dfRate = (GIntBig)(nFileLen-nImageOffset) * 8 / (double) nPixelCount;
4570 4 : dfRate = MAX(0.01,MIN(99.99,dfRate));
4571 :
4572 : // We emit in wxyz format with an implicit decimal place
4573 : // between wx and yz as per spec for lossy compression.
4574 : // We really should have a special case for lossless compression.
4575 4 : sprintf( szCOMRAT, "%04d", (int) (dfRate * 100));
4576 : }
4577 4 : else if( EQUAL(pszIC, "C3") || EQUAL(pszIC, "M3") ) /* jpeg */
4578 : {
4579 4 : strcpy( szCOMRAT, "00.0" );
4580 : }
4581 :
4582 8 : VSIFWriteL( szCOMRAT, 4, 1, fpVSIL );
4583 : }
4584 :
4585 8 : VSIFCloseL( fpVSIL );
4586 : }
4587 :
4588 : /************************************************************************/
4589 : /* NITFWriteCGMSegments() */
4590 : /************************************************************************/
4591 589 : static int NITFWriteCGMSegments( const char *pszFilename, char **papszList)
4592 : {
4593 589 : char errorMessage[255] = "";
4594 :
4595 : // size of each Cgm header entry (LS (4) + LSSH (6))
4596 589 : const int nCgmHdrEntrySz = 10;
4597 :
4598 589 : if (papszList == NULL)
4599 581 : return TRUE;
4600 :
4601 8 : int nNUMS = 0;
4602 : const char *pszNUMS;
4603 8 : pszNUMS = CSLFetchNameValue(papszList, "SEGMENT_COUNT");
4604 8 : if (pszNUMS != NULL)
4605 : {
4606 8 : nNUMS = atoi(pszNUMS);
4607 : }
4608 :
4609 : /* -------------------------------------------------------------------- */
4610 : /* Open the target file. */
4611 : /* -------------------------------------------------------------------- */
4612 8 : VSILFILE *fpVSIL = VSIFOpenL(pszFilename, "r+b");
4613 :
4614 8 : if (fpVSIL == NULL)
4615 0 : return FALSE;
4616 :
4617 : // Calculates the offset for NUMS so we can update header data
4618 : char achNUMI[4]; // 3 digits plus null character
4619 8 : achNUMI[3] = '\0';
4620 :
4621 : // NUMI offset is at a fixed offset 363
4622 8 : int nNumIOffset = 360;
4623 8 : VSIFSeekL(fpVSIL, nNumIOffset, SEEK_SET );
4624 8 : VSIFReadL(achNUMI, 1, 3, fpVSIL);
4625 8 : int nIM = atoi(achNUMI);
4626 :
4627 : // 6 for size of LISH and 10 for size of LI
4628 : // NUMS offset is NumI offset plus the size of NumI + size taken up each
4629 : // the header data multiply by the number of data
4630 :
4631 8 : int nNumSOffset = nNumIOffset + 3+ nIM * (6 + 10);
4632 :
4633 : /* -------------------------------------------------------------------- */
4634 : /* Confirm that the NUMS in the file header already matches the */
4635 : /* number of graphic segments we want to write */
4636 : /* -------------------------------------------------------------------- */
4637 : char achNUMS[4];
4638 :
4639 8 : VSIFSeekL( fpVSIL, nNumSOffset, SEEK_SET );
4640 8 : VSIFReadL( achNUMS, 1, 3, fpVSIL );
4641 8 : achNUMS[3] = '\0';
4642 :
4643 8 : if( atoi(achNUMS) != nNUMS )
4644 : {
4645 : CPLError( CE_Failure, CPLE_AppDefined,
4646 : "It appears an attempt was made to add or update graphic\n"
4647 : "segments on an NITF file with existing segments. This\n"
4648 0 : "is not currently supported by the GDAL NITF driver." );
4649 :
4650 0 : VSIFCloseL( fpVSIL );
4651 0 : return FALSE;
4652 : }
4653 :
4654 :
4655 : // allocate space for graphic header.
4656 : // Size of LS = 4, size of LSSH = 6, and 1 for null character
4657 8 : char *pachLS = (char *) CPLCalloc(nNUMS * nCgmHdrEntrySz + 1, 1);
4658 :
4659 : /* -------------------------------------------------------------------- */
4660 : /* Assume no extended data such as SXSHDL, SXSHD */
4661 : /* -------------------------------------------------------------------- */
4662 :
4663 : /* ==================================================================== */
4664 : /* Write the Graphics segments at the end of the file. */
4665 : /* ==================================================================== */
4666 :
4667 : #define PLACE(location,name,text) strncpy(location,text,strlen(text))
4668 :
4669 12 : for (int i = 0; i < nNUMS; i++)
4670 : {
4671 :
4672 : // Get all the fields for current CGM segment
4673 : const char *pszSlocRow = CSLFetchNameValue(papszList,
4674 4 : CPLString().Printf("SEGMENT_%d_SLOC_ROW", i));
4675 : const char *pszSlocCol = CSLFetchNameValue(papszList,
4676 8 : CPLString().Printf("SEGMENT_%d_SLOC_COL", i));
4677 : const char *pszSdlvl = CSLFetchNameValue(papszList,
4678 8 : CPLString().Printf("SEGMENT_%d_SDLVL", i));
4679 : const char *pszSalvl = CSLFetchNameValue(papszList,
4680 8 : CPLString().Printf("SEGMENT_%d_SALVL", i));
4681 : const char *pszData = CSLFetchNameValue(papszList,
4682 8 : CPLString().Printf("SEGMENT_%d_DATA", i));
4683 :
4684 : // Error checking
4685 4 : if (pszSlocRow == NULL)
4686 : {
4687 0 : sprintf(errorMessage, "NITF graphic segment writing error: SLOC_ROW for segment %d is not defined",i);
4688 0 : break;
4689 : }
4690 4 : if (pszSlocCol == NULL)
4691 : {
4692 0 : sprintf(errorMessage, "NITF graphic segment writing error: SLOC_COL for segment %d is not defined",i);
4693 0 : break;
4694 : }
4695 4 : if (pszSdlvl == NULL)
4696 : {
4697 0 : sprintf(errorMessage, "NITF graphic segment writing error: SDLVL for segment %d is not defined", i);
4698 0 : break;
4699 : }
4700 4 : if (pszSalvl == NULL)
4701 : {
4702 0 : sprintf(errorMessage, "NITF graphic segment writing error: SALVLfor segment %d is not defined", i);
4703 0 : break;
4704 : }
4705 4 : if (pszData == NULL)
4706 : {
4707 0 : sprintf(errorMessage, "NITF graphic segment writing error: DATA for segment %d is not defined", i);
4708 0 : break;
4709 : }
4710 :
4711 4 : int nSlocCol = atoi(pszSlocRow);
4712 4 : int nSlocRow = atoi(pszSlocCol);
4713 4 : int nSdlvl = atoi(pszSdlvl);
4714 4 : int nSalvl = atoi(pszSalvl);
4715 :
4716 : // Create a buffer for graphics segment header, 258 is the size of
4717 : // the header that we will be writing.
4718 : char achGSH[258];
4719 :
4720 4 : memset(achGSH, ' ', sizeof(achGSH));
4721 :
4722 :
4723 4 : PLACE( achGSH+ 0, SY , "SY" );
4724 4 : PLACE( achGSH+ 2, SID ,CPLSPrintf("%010d", i) );
4725 4 : PLACE( achGSH+ 12, SNAME , "DEFAULT NAME " );
4726 4 : PLACE( achGSH+32, SSCLAS , "U" );
4727 4 : PLACE( achGSH+33, SSCLASY , "0" );
4728 4 : PLACE( achGSH+199, ENCRYP , "0" );
4729 4 : PLACE( achGSH+200, SFMT , "C" );
4730 4 : PLACE( achGSH+201, SSTRUCT , "0000000000000" );
4731 4 : PLACE( achGSH+214, SDLVL , CPLSPrintf("%03d",nSdlvl)); // size3
4732 4 : PLACE( achGSH+217, SALVL , CPLSPrintf("%03d",nSalvl)); // size3
4733 4 : PLACE( achGSH+220, SLOC , CPLSPrintf("%05d%05d",nSlocRow,nSlocCol) ); // size 10
4734 4 : PLACE( achGSH+230, SBAND1 , "0000000000" );
4735 4 : PLACE( achGSH+240, SCOLOR, "C" );
4736 4 : PLACE( achGSH+241, SBAND2, "0000000000" );
4737 4 : PLACE( achGSH+251, SRES2, "00" );
4738 4 : PLACE( achGSH+253, SXSHDL, "00000" );
4739 :
4740 : // Move to the end of the file
4741 4 : VSIFSeekL(fpVSIL, 0, SEEK_END );
4742 4 : VSIFWriteL(achGSH, 1, sizeof(achGSH), fpVSIL);
4743 :
4744 : /* -------------------------------------- ------------------------------ */
4745 : /* Prepare and write CGM segment data. */
4746 : /* -------------------------------------------------------------------- */
4747 4 : int nCGMSize = 0;
4748 : char *pszCgmToWrite = CPLUnescapeString(pszData, &nCGMSize,
4749 4 : CPLES_BackslashQuotable);
4750 :
4751 4 : if (nCGMSize > 999998)
4752 : {
4753 : CPLError(CE_Warning, CPLE_NotSupported,
4754 : "Length of SEGMENT_%d_DATA is %d, which is greater than 999998. Truncating...",
4755 0 : i + 1, nCGMSize);
4756 0 : nCGMSize = 999998;
4757 : }
4758 :
4759 4 : VSIFWriteL(pszCgmToWrite, 1, nCGMSize, fpVSIL);
4760 :
4761 : /* -------------------------------------------------------------------- */
4762 : /* Update the subheader and data size info in the file header. */
4763 : /* -------------------------------------------------------------------- */
4764 4 : sprintf( pachLS + nCgmHdrEntrySz * i, "%04d%06d",(int) sizeof(achGSH), nCGMSize );
4765 :
4766 4 : CPLFree(pszCgmToWrite);
4767 :
4768 : } // End For
4769 :
4770 :
4771 : /* -------------------------------------------------------------------- */
4772 : /* Write out the graphic segment info. */
4773 : /* -------------------------------------------------------------------- */
4774 :
4775 8 : VSIFSeekL(fpVSIL, nNumSOffset + 3, SEEK_SET );
4776 8 : VSIFWriteL(pachLS, 1, nNUMS * nCgmHdrEntrySz, fpVSIL);
4777 :
4778 : /* -------------------------------------------------------------------- */
4779 : /* Update total file length. */
4780 : /* -------------------------------------------------------------------- */
4781 8 : VSIFSeekL(fpVSIL, 0, SEEK_END );
4782 8 : GUIntBig nFileLen = VSIFTellL(fpVSIL);
4783 : // Offset to file length entry
4784 8 : VSIFSeekL(fpVSIL, 342, SEEK_SET );
4785 8 : if (GUINTBIG_TO_DOUBLE(nFileLen) >= 1e12 - 1)
4786 : {
4787 : CPLError(CE_Failure, CPLE_AppDefined,
4788 : "Too big file : " CPL_FRMT_GUIB ". Truncating to 999999999998",
4789 0 : nFileLen);
4790 0 : nFileLen = (GUIntBig) (1e12 - 2);
4791 : }
4792 : CPLString osLen = CPLString().Printf("%012" CPL_FRMT_GB_WITHOUT_PREFIX "u",
4793 8 : nFileLen);
4794 8 : VSIFWriteL((void *) osLen.c_str(), 1, 12, fpVSIL);
4795 :
4796 8 : VSIFCloseL(fpVSIL);
4797 :
4798 8 : CPLFree(pachLS);
4799 :
4800 8 : if (strlen(errorMessage) != 0)
4801 : {
4802 0 : CPLError(CE_Failure, CPLE_AppDefined, "%s", errorMessage);
4803 0 : return FALSE;
4804 : }
4805 :
4806 8 : return TRUE;
4807 : }
4808 :
4809 : /************************************************************************/
4810 : /* NITFWriteTextSegments() */
4811 : /************************************************************************/
4812 :
4813 589 : static void NITFWriteTextSegments( const char *pszFilename,
4814 : char **papszList )
4815 :
4816 : {
4817 : /* -------------------------------------------------------------------- */
4818 : /* Count the number of apparent text segments to write. There */
4819 : /* is nothing at all to do if there are none to write. */
4820 : /* -------------------------------------------------------------------- */
4821 589 : int iOpt, nNUMT = 0;
4822 :
4823 597 : for( iOpt = 0; papszList != NULL && papszList[iOpt] != NULL; iOpt++ )
4824 : {
4825 8 : if( EQUALN(papszList[iOpt],"DATA_",5) )
4826 5 : nNUMT++;
4827 : }
4828 :
4829 589 : if( nNUMT == 0 )
4830 585 : return;
4831 :
4832 : /* -------------------------------------------------------------------- */
4833 : /* Open the target file. */
4834 : /* -------------------------------------------------------------------- */
4835 4 : VSILFILE *fpVSIL = VSIFOpenL( pszFilename, "r+b" );
4836 :
4837 4 : if( fpVSIL == NULL )
4838 0 : return;
4839 :
4840 : // Get number of text field. Since there there could be multiple images
4841 : // or graphic segment, the offset need to be calculated dynamically.
4842 :
4843 : char achNUMI[4]; // 3 digits plus null character
4844 4 : achNUMI[3] = '\0';
4845 : // NUMI offset is at a fixed offset 363
4846 4 : int nNumIOffset = 360;
4847 4 : VSIFSeekL( fpVSIL, nNumIOffset, SEEK_SET );
4848 4 : VSIFReadL( achNUMI, 1, 3, fpVSIL );
4849 4 : int nIM = atoi(achNUMI);
4850 :
4851 : char achNUMG[4]; // 3 digits plus null character
4852 4 : achNUMG[3] = '\0';
4853 :
4854 : // 3 for size of NUMI. 6 and 10 are the field size for LISH and LI
4855 4 : int nNumGOffset = nNumIOffset + 3 + nIM * (6 + 10);
4856 4 : VSIFSeekL( fpVSIL, nNumGOffset, SEEK_SET );
4857 4 : VSIFReadL( achNUMG, 1, 3, fpVSIL );
4858 4 : int nGS = atoi(achNUMG);
4859 :
4860 : // NUMT offset
4861 : // 3 for size of NUMG. 4 and 6 are filed size of LSSH and LS.
4862 : // the last + 3 is for NUMX field, which is not used
4863 4 : int nNumTOffset = nNumGOffset + 3 + nGS * (4 + 6) + 3;
4864 :
4865 : /* -------------------------------------------------------------------- */
4866 : /* Confirm that the NUMT in the file header already matches the */
4867 : /* number of text segements we want to write, and that the */
4868 : /* segment header/data size info is blank. */
4869 : /* -------------------------------------------------------------------- */
4870 : char achNUMT[4];
4871 4 : char *pachLT = (char *) CPLCalloc(nNUMT * 9 + 1, 1);
4872 :
4873 4 : VSIFSeekL( fpVSIL, nNumTOffset, SEEK_SET );
4874 4 : VSIFReadL( achNUMT, 1, 3, fpVSIL );
4875 4 : achNUMT[3] = '\0';
4876 :
4877 4 : VSIFReadL( pachLT, 1, nNUMT * 9, fpVSIL );
4878 :
4879 4 : if( atoi(achNUMT) != nNUMT )
4880 : {
4881 : CPLError( CE_Failure, CPLE_AppDefined,
4882 : "It appears an attempt was made to add or update text\n"
4883 : "segments on an NITF file with existing segments. This\n"
4884 0 : "is not currently supported by the GDAL NITF driver." );
4885 :
4886 0 : VSIFCloseL( fpVSIL );
4887 0 : CPLFree( pachLT );
4888 0 : return;
4889 : }
4890 :
4891 4 : if( !EQUALN(pachLT," ",9) )
4892 : {
4893 0 : CPLFree( pachLT );
4894 : // presumably the text segments are already written, do nothing.
4895 0 : VSIFCloseL( fpVSIL );
4896 0 : return;
4897 : }
4898 :
4899 : /* -------------------------------------------------------------------- */
4900 : /* At this point we likely ought to confirm NUMDES, NUMRES, */
4901 : /* UDHDL and XHDL are zero. Consider adding later... */
4902 : /* -------------------------------------------------------------------- */
4903 :
4904 : /* ==================================================================== */
4905 : /* Write the text segments at the end of the file. */
4906 : /* ==================================================================== */
4907 : #define PLACE(location,name,text) strncpy(location,text,strlen(text))
4908 4 : int iTextSeg = 0;
4909 :
4910 12 : for( iOpt = 0; papszList != NULL && papszList[iOpt] != NULL; iOpt++ )
4911 : {
4912 : const char *pszTextToWrite;
4913 :
4914 8 : if( !EQUALN(papszList[iOpt],"DATA_",5) )
4915 3 : continue;
4916 :
4917 5 : const char *pszHeaderBuffer = NULL;
4918 :
4919 : /* -------------------------------------------------------------------- */
4920 : /* Locate corresponding header data in the buffer */
4921 : /* -------------------------------------------------------------------- */
4922 :
4923 12 : for( int iOpt2 = 0; papszList != NULL && papszList[iOpt2] != NULL; iOpt2++ ) {
4924 10 : if( !EQUALN(papszList[iOpt2],"HEADER_",7) )
4925 7 : continue;
4926 :
4927 : char *pszHeaderKey, *pszDataKey;
4928 3 : CPLParseNameValue( papszList[iOpt2], &pszHeaderKey );
4929 3 : CPLParseNameValue( papszList[iOpt], &pszDataKey );
4930 :
4931 : char *pszHeaderId, *pszDataId; //point to header and data number
4932 3 : pszHeaderId = pszHeaderKey + 7;
4933 3 : pszDataId = pszDataKey + 5;
4934 :
4935 3 : bool bIsSameId = strcmp(pszHeaderId, pszDataId) == 0;
4936 3 : CPLFree(pszHeaderKey);
4937 3 : CPLFree(pszDataKey);
4938 :
4939 : // if ID matches, read the header information and exit the loop
4940 3 : if (bIsSameId) {
4941 3 : pszHeaderBuffer = CPLParseNameValue( papszList[iOpt2], NULL);
4942 3 : break;
4943 : }
4944 : }
4945 :
4946 : /* -------------------------------------------------------------------- */
4947 : /* Prepare and write text header. */
4948 : /* -------------------------------------------------------------------- */
4949 : char achTSH[282];
4950 5 : memset( achTSH, ' ', sizeof(achTSH) );
4951 5 : VSIFSeekL( fpVSIL, 0, SEEK_END );
4952 :
4953 5 : if (pszHeaderBuffer!= NULL) {
4954 3 : memcpy( achTSH, pszHeaderBuffer, MIN(strlen(pszHeaderBuffer), sizeof(achTSH)) );
4955 :
4956 : // Take care NITF2.0 date format changes
4957 3 : char chTimeZone = achTSH[20];
4958 :
4959 : // Check for Zulu time zone character. IpachLTf that exist, then
4960 : // it's NITF2.0 format.
4961 3 : if (chTimeZone == 'Z') {
4962 0 : char *achOrigDate=achTSH+12; // original date string
4963 :
4964 : // The date value taken from default NITF file date
4965 0 : char achNewDate[]="20021216151629";
4966 : char achYear[3];
4967 : int nYear;
4968 :
4969 : // Offset to the year
4970 0 : strncpy(achYear,achOrigDate+12, 2);
4971 0 : achYear[2] = '\0';
4972 0 : nYear = atoi(achYear);
4973 :
4974 : // Set century.
4975 : // Since NITF2.0 does not track the century, we are going to
4976 : // assume any year number greater then 94 (the year NITF2.0
4977 : // spec published), will be 1900s, otherwise, it's 2000s.
4978 0 : if (nYear > 94) strncpy(achNewDate,"19",2);
4979 0 : else strncpy(achNewDate,"20",2);
4980 :
4981 0 : strncpy(achNewDate+6, achOrigDate,8); // copy cover DDhhmmss
4982 0 : strncpy(achNewDate+2, achOrigDate+12,2); // copy over years
4983 :
4984 : // Perform month conversion
4985 0 : char *pszOrigMonth = achOrigDate+9;
4986 0 : char *pszNewMonth = achNewDate+4;
4987 :
4988 0 : if (strncmp(pszOrigMonth,"JAN",3) == 0) strncpy(pszNewMonth,"01",2);
4989 0 : else if (strncmp(pszOrigMonth,"FEB",3) == 0) strncpy(pszNewMonth,"02",2);
4990 0 : else if (strncmp(pszOrigMonth,"MAR",3) == 0) strncpy(pszNewMonth,"03",2);
4991 0 : else if (strncmp(pszOrigMonth,"APR",3) == 0) strncpy(pszNewMonth,"04",2);
4992 0 : else if (strncmp(pszOrigMonth,"MAY",3) == 0) strncpy(pszNewMonth,"05",2);
4993 0 : else if (strncmp(pszOrigMonth,"JUN",3) == 0) strncpy(pszNewMonth,"07",2);
4994 0 : else if (strncmp(pszOrigMonth,"AUG",3) == 0) strncpy(pszNewMonth,"08",2);
4995 0 : else if (strncmp(pszOrigMonth,"SEP",3) == 0) strncpy(pszNewMonth,"09",2);
4996 0 : else if (strncmp(pszOrigMonth,"OCT",3) == 0) strncpy(pszNewMonth,"10",2);
4997 0 : else if (strncmp(pszOrigMonth,"NOV",3) == 0) strncpy(pszNewMonth,"11",2);
4998 0 : else if (strncmp(pszOrigMonth,"DEC",3) == 0) strncpy(pszNewMonth,"12",2);
4999 :
5000 0 : PLACE( achTSH+ 12, TXTDT , achNewDate );
5001 :
5002 : }
5003 : } else { // Use default value if header information is not found
5004 2 : PLACE( achTSH+ 0, TE , "TE" );
5005 2 : PLACE( achTSH+ 9, TXTALVL , "000" );
5006 2 : PLACE( achTSH+ 12, TXTDT , "20021216151629" );
5007 2 : PLACE( achTSH+106, TSCLAS , "U" );
5008 2 : PLACE( achTSH+273, ENCRYP , "0" );
5009 2 : PLACE( achTSH+274, TXTFMT , "STA" );
5010 2 : PLACE( achTSH+277, TXSHDL , "00000" );
5011 : }
5012 :
5013 :
5014 5 : VSIFWriteL( achTSH, 1, sizeof(achTSH), fpVSIL );
5015 :
5016 : /* -------------------------------------------------------------------- */
5017 : /* Prepare and write text segment data. */
5018 : /* -------------------------------------------------------------------- */
5019 5 : pszTextToWrite = CPLParseNameValue( papszList[iOpt], NULL );
5020 :
5021 5 : int nTextLength = (int) strlen(pszTextToWrite);
5022 5 : if (nTextLength > 99998)
5023 : {
5024 : CPLError(CE_Warning, CPLE_NotSupported,
5025 : "Length of DATA_%d is %d, which is greater than 99998. Truncating...",
5026 0 : iTextSeg + 1, nTextLength);
5027 0 : nTextLength = 99998;
5028 : }
5029 :
5030 5 : VSIFWriteL( pszTextToWrite, 1, nTextLength, fpVSIL );
5031 :
5032 : /* -------------------------------------------------------------------- */
5033 : /* Update the subheader and data size info in the file header. */
5034 : /* -------------------------------------------------------------------- */
5035 : sprintf( pachLT + 9*iTextSeg+0, "%04d%05d",
5036 5 : (int) sizeof(achTSH), nTextLength );
5037 :
5038 5 : iTextSeg++;
5039 : }
5040 :
5041 : /* -------------------------------------------------------------------- */
5042 : /* Write out the text segment info. */
5043 : /* -------------------------------------------------------------------- */
5044 :
5045 4 : VSIFSeekL( fpVSIL, nNumTOffset + 3, SEEK_SET );
5046 4 : VSIFWriteL( pachLT, 1, nNUMT * 9, fpVSIL );
5047 :
5048 : /* -------------------------------------------------------------------- */
5049 : /* Update total file length. */
5050 : /* -------------------------------------------------------------------- */
5051 4 : VSIFSeekL( fpVSIL, 0, SEEK_END );
5052 4 : GUIntBig nFileLen = VSIFTellL( fpVSIL );
5053 :
5054 4 : VSIFSeekL( fpVSIL, 342, SEEK_SET );
5055 4 : if (GUINTBIG_TO_DOUBLE(nFileLen) >= 1e12 - 1)
5056 : {
5057 : CPLError(CE_Failure, CPLE_AppDefined,
5058 : "Too big file : " CPL_FRMT_GUIB ". Truncating to 999999999998",
5059 0 : nFileLen);
5060 0 : nFileLen = (GUIntBig)(1e12 - 2);
5061 : }
5062 4 : CPLString osLen = CPLString().Printf("%012" CPL_FRMT_GB_WITHOUT_PREFIX "u",nFileLen);
5063 4 : VSIFWriteL( (void *) osLen.c_str(), 1, 12, fpVSIL );
5064 :
5065 4 : VSIFCloseL( fpVSIL );
5066 4 : CPLFree( pachLT );
5067 : }
5068 :
5069 : /************************************************************************/
5070 : /* NITFWriteJPEGImage() */
5071 : /************************************************************************/
5072 :
5073 : #ifdef JPEG_SUPPORTED
5074 :
5075 : int
5076 : NITFWriteJPEGBlock( GDALDataset *poSrcDS, VSILFILE *fp,
5077 : int nBlockXOff, int nBlockYOff,
5078 : int nBlockXSize, int nBlockYSize,
5079 : int bProgressive, int nQuality,
5080 : const GByte* pabyAPP6, int nRestartInterval,
5081 : GDALProgressFunc pfnProgress, void * pProgressData );
5082 :
5083 : static int
5084 4 : NITFWriteJPEGImage( GDALDataset *poSrcDS, VSILFILE *fp, vsi_l_offset nStartOffset,
5085 : char **papszOptions,
5086 : GDALProgressFunc pfnProgress, void * pProgressData )
5087 : {
5088 4 : int nBands = poSrcDS->GetRasterCount();
5089 4 : int nXSize = poSrcDS->GetRasterXSize();
5090 4 : int nYSize = poSrcDS->GetRasterYSize();
5091 4 : int nQuality = 75;
5092 4 : int bProgressive = FALSE;
5093 4 : int nRestartInterval = -1;
5094 :
5095 4 : if( !pfnProgress( 0.0, NULL, pProgressData ) )
5096 0 : return FALSE;
5097 :
5098 : /* -------------------------------------------------------------------- */
5099 : /* Some some rudimentary checks */
5100 : /* -------------------------------------------------------------------- */
5101 4 : if( nBands != 1 && nBands != 3 )
5102 : {
5103 : CPLError( CE_Failure, CPLE_NotSupported,
5104 : "JPEG driver doesn't support %d bands. Must be 1 (grey) "
5105 0 : "or 3 (RGB) bands.\n", nBands );
5106 :
5107 0 : return FALSE;
5108 : }
5109 :
5110 4 : GDALDataType eDT = poSrcDS->GetRasterBand(1)->GetRasterDataType();
5111 :
5112 : #if defined(JPEG_LIB_MK1) || defined(JPEG_DUAL_MODE_8_12)
5113 4 : if( eDT != GDT_Byte && eDT != GDT_UInt16 )
5114 : {
5115 : CPLError( CE_Failure, CPLE_NotSupported,
5116 : "JPEG driver doesn't support data type %s. "
5117 : "Only eight and twelve bit bands supported (Mk1 libjpeg).\n",
5118 : GDALGetDataTypeName(
5119 0 : poSrcDS->GetRasterBand(1)->GetRasterDataType()) );
5120 :
5121 0 : return FALSE;
5122 : }
5123 :
5124 5 : if( eDT == GDT_UInt16 || eDT == GDT_Int16 )
5125 1 : eDT = GDT_UInt16;
5126 : else
5127 3 : eDT = GDT_Byte;
5128 :
5129 : #else
5130 : if( eDT != GDT_Byte )
5131 : {
5132 : CPLError( CE_Failure, CPLE_NotSupported,
5133 : "JPEG driver doesn't support data type %s. "
5134 : "Only eight bit byte bands supported.\n",
5135 : GDALGetDataTypeName(
5136 : poSrcDS->GetRasterBand(1)->GetRasterDataType()) );
5137 :
5138 : return FALSE;
5139 : }
5140 :
5141 : eDT = GDT_Byte; // force to 8bit.
5142 : #endif
5143 :
5144 : /* -------------------------------------------------------------------- */
5145 : /* What options has the user selected? */
5146 : /* -------------------------------------------------------------------- */
5147 4 : if( CSLFetchNameValue(papszOptions,"QUALITY") != NULL )
5148 : {
5149 2 : nQuality = atoi(CSLFetchNameValue(papszOptions,"QUALITY"));
5150 2 : if( nQuality < 10 || nQuality > 100 )
5151 : {
5152 : CPLError( CE_Failure, CPLE_IllegalArg,
5153 : "QUALITY=%s is not a legal value in the range 10-100.",
5154 0 : CSLFetchNameValue(papszOptions,"QUALITY") );
5155 0 : return FALSE;
5156 : }
5157 : }
5158 :
5159 4 : if( CSLFetchNameValue(papszOptions,"RESTART_INTERVAL") != NULL )
5160 : {
5161 0 : nRestartInterval = atoi(CSLFetchNameValue(papszOptions,"RESTART_INTERVAL"));
5162 : }
5163 :
5164 4 : bProgressive = CSLFetchBoolean( papszOptions, "PROGRESSIVE", FALSE );
5165 :
5166 : /* -------------------------------------------------------------------- */
5167 : /* Compute blocking factors */
5168 : /* -------------------------------------------------------------------- */
5169 4 : int nNPPBH = nXSize;
5170 4 : int nNPPBV = nYSize;
5171 :
5172 4 : if( CSLFetchNameValue( papszOptions, "BLOCKSIZE" ) != NULL )
5173 2 : nNPPBH = nNPPBV = atoi(CSLFetchNameValue( papszOptions, "BLOCKSIZE" ));
5174 :
5175 4 : if( CSLFetchNameValue( papszOptions, "BLOCKXSIZE" ) != NULL )
5176 0 : nNPPBH = atoi(CSLFetchNameValue( papszOptions, "BLOCKXSIZE" ));
5177 :
5178 4 : if( CSLFetchNameValue( papszOptions, "BLOCKYSIZE" ) != NULL )
5179 0 : nNPPBV = atoi(CSLFetchNameValue( papszOptions, "BLOCKYSIZE" ));
5180 :
5181 4 : if( CSLFetchNameValue( papszOptions, "NPPBH" ) != NULL )
5182 0 : nNPPBH = atoi(CSLFetchNameValue( papszOptions, "NPPBH" ));
5183 :
5184 4 : if( CSLFetchNameValue( papszOptions, "NPPBV" ) != NULL )
5185 0 : nNPPBV = atoi(CSLFetchNameValue( papszOptions, "NPPBV" ));
5186 :
5187 4 : if( nNPPBH <= 0 || nNPPBV <= 0 ||
5188 : nNPPBH > 9999 || nNPPBV > 9999 )
5189 0 : nNPPBH = nNPPBV = 256;
5190 :
5191 4 : int nNBPR = (nXSize + nNPPBH - 1) / nNPPBH;
5192 4 : int nNBPC = (nYSize + nNPPBV - 1) / nNPPBV;
5193 :
5194 : /* -------------------------------------------------------------------- */
5195 : /* Creates APP6 NITF application segment (required by MIL-STD-188-198) */
5196 : /* see #3345 */
5197 : /* -------------------------------------------------------------------- */
5198 : GByte abyAPP6[23];
5199 : GUInt16 nUInt16;
5200 4 : int nOffset = 0;
5201 :
5202 4 : memcpy(abyAPP6, "NITF", 4);
5203 4 : abyAPP6[4] = 0;
5204 4 : nOffset += 5;
5205 :
5206 : /* Version : 2.0 */
5207 4 : nUInt16 = 0x0200;
5208 4 : CPL_MSBPTR16(&nUInt16);
5209 4 : memcpy(abyAPP6 + nOffset, &nUInt16, sizeof(nUInt16));
5210 4 : nOffset += sizeof(nUInt16);
5211 :
5212 : /* IMODE */
5213 4 : abyAPP6[nOffset] = (nBands == 1) ? 'B' : 'P';
5214 4 : nOffset ++;
5215 :
5216 : /* Number of image blocks per row */
5217 4 : nUInt16 = (GUInt16) nNBPR;
5218 4 : CPL_MSBPTR16(&nUInt16);
5219 4 : memcpy(abyAPP6 + nOffset, &nUInt16, sizeof(nUInt16));
5220 4 : nOffset += sizeof(nUInt16);
5221 :
5222 : /* Number of image blocks per column */
5223 4 : nUInt16 = (GUInt16) nNBPC;
5224 4 : CPL_MSBPTR16(&nUInt16);
5225 4 : memcpy(abyAPP6 + nOffset, &nUInt16, sizeof(nUInt16));
5226 4 : nOffset += sizeof(nUInt16);
5227 :
5228 : /* Image color */
5229 4 : abyAPP6[nOffset] = (nBands == 1) ? 0 : 1;
5230 4 : nOffset ++;
5231 :
5232 : /* Original sample precision */
5233 4 : abyAPP6[nOffset] = (eDT == GDT_UInt16) ? 12 : 8;
5234 4 : nOffset ++;
5235 :
5236 : /* Image class */
5237 4 : abyAPP6[nOffset] = 0;
5238 4 : nOffset ++;
5239 :
5240 : /* JPEG coding process */
5241 4 : abyAPP6[nOffset] = (eDT == GDT_UInt16) ? 4 : 1;
5242 4 : nOffset ++;
5243 :
5244 : /* Quality */
5245 4 : abyAPP6[nOffset] = 0;
5246 4 : nOffset ++;
5247 :
5248 : /* Stream color */
5249 4 : abyAPP6[nOffset] = (nBands == 1) ? 0 /* Monochrome */ : 2 /* YCbCr*/ ;
5250 4 : nOffset ++;
5251 :
5252 : /* Stream bits */
5253 4 : abyAPP6[nOffset] = (eDT == GDT_UInt16) ? 12 : 8;
5254 4 : nOffset ++;
5255 :
5256 : /* Horizontal filtering */
5257 4 : abyAPP6[nOffset] = 1;
5258 4 : nOffset ++;
5259 :
5260 : /* Vertical filtering */
5261 4 : abyAPP6[nOffset] = 1;
5262 4 : nOffset ++;
5263 :
5264 : /* Reserved */
5265 4 : abyAPP6[nOffset] = 0;
5266 4 : nOffset ++;
5267 4 : abyAPP6[nOffset] = 0;
5268 4 : nOffset ++;
5269 :
5270 4 : CPLAssert(nOffset == sizeof(abyAPP6));
5271 :
5272 : /* -------------------------------------------------------------------- */
5273 : /* Prepare block map if necessary */
5274 : /* -------------------------------------------------------------------- */
5275 :
5276 4 : VSIFSeekL( fp, nStartOffset, SEEK_SET );
5277 :
5278 4 : const char* pszIC = CSLFetchNameValue( papszOptions, "IC" );
5279 4 : GUInt32 nIMDATOFF = 0;
5280 4 : if (EQUAL(pszIC, "M3"))
5281 : {
5282 : GUInt32 nIMDATOFF_MSB;
5283 : GUInt16 nBMRLNTH, nTMRLNTH, nTPXCDLNTH;
5284 :
5285 : /* Prepare the block map */
5286 : #define BLOCKMAP_HEADER_SIZE (4 + 2 + 2 + 2)
5287 1 : nIMDATOFF_MSB = nIMDATOFF = BLOCKMAP_HEADER_SIZE + nNBPC * nNBPR * 4;
5288 1 : nBMRLNTH = 4;
5289 1 : nTMRLNTH = 0;
5290 1 : nTPXCDLNTH = 0;
5291 :
5292 1 : CPL_MSBPTR32( &nIMDATOFF_MSB );
5293 1 : CPL_MSBPTR16( &nBMRLNTH );
5294 1 : CPL_MSBPTR16( &nTMRLNTH );
5295 1 : CPL_MSBPTR16( &nTPXCDLNTH );
5296 :
5297 1 : VSIFWriteL( &nIMDATOFF_MSB, 1, 4, fp );
5298 1 : VSIFWriteL( &nBMRLNTH, 1, 2, fp );
5299 1 : VSIFWriteL( &nTMRLNTH, 1, 2, fp );
5300 1 : VSIFWriteL( &nTPXCDLNTH, 1, 2, fp );
5301 :
5302 : /* Reserve space for the table itself */
5303 1 : VSIFSeekL( fp, nNBPC * nNBPR * 4, SEEK_CUR );
5304 : }
5305 :
5306 : /* -------------------------------------------------------------------- */
5307 : /* Copy each block */
5308 : /* -------------------------------------------------------------------- */
5309 : int nBlockXOff, nBlockYOff;
5310 10 : for(nBlockYOff=0;nBlockYOff<nNBPC;nBlockYOff++)
5311 : {
5312 16 : for(nBlockXOff=0;nBlockXOff<nNBPR;nBlockXOff++)
5313 : {
5314 : /*CPLDebug("NITF", "nBlockXOff=%d/%d, nBlockYOff=%d/%d",
5315 : nBlockXOff, nNBPR, nBlockYOff, nNBPC);*/
5316 10 : if (EQUAL(pszIC, "M3"))
5317 : {
5318 : /* Write block offset for current block */
5319 :
5320 4 : GUIntBig nCurPos = VSIFTellL(fp);
5321 4 : VSIFSeekL( fp, nStartOffset + BLOCKMAP_HEADER_SIZE + 4 * (nBlockYOff * nNBPR + nBlockXOff), SEEK_SET );
5322 4 : GUIntBig nBlockOffset = nCurPos - nStartOffset - nIMDATOFF;
5323 4 : GUInt32 nBlockOffset32 = (GUInt32)nBlockOffset;
5324 4 : if (nBlockOffset == (GUIntBig)nBlockOffset32)
5325 : {
5326 4 : CPL_MSBPTR32( &nBlockOffset32 );
5327 4 : VSIFWriteL( &nBlockOffset32, 1, 4, fp );
5328 : }
5329 : else
5330 : {
5331 : CPLError(CE_Failure, CPLE_AppDefined,
5332 : "Offset for block (%d, %d) = " CPL_FRMT_GUIB ". Cannot fit into 32 bits...",
5333 0 : nBlockXOff, nBlockYOff, nBlockOffset);
5334 :
5335 0 : nBlockOffset32 = 0xffffffff;
5336 : int i;
5337 0 : for(i=nBlockYOff * nNBPR + nBlockXOff; i < nNBPC * nNBPR; i++)
5338 : {
5339 0 : VSIFWriteL( &nBlockOffset32, 1, 4, fp );
5340 : }
5341 0 : return FALSE;
5342 : }
5343 4 : VSIFSeekL( fp, nCurPos, SEEK_SET );
5344 : }
5345 :
5346 10 : if (!NITFWriteJPEGBlock(poSrcDS, fp,
5347 : nBlockXOff, nBlockYOff,
5348 : nNPPBH, nNPPBV,
5349 : bProgressive, nQuality,
5350 : (nBlockXOff == 0 && nBlockYOff == 0) ? abyAPP6 : NULL,
5351 : nRestartInterval,
5352 : pfnProgress, pProgressData))
5353 : {
5354 0 : return FALSE;
5355 : }
5356 : }
5357 : }
5358 4 : return TRUE;
5359 : }
5360 :
5361 : #endif /* def JPEG_SUPPORTED */
5362 :
5363 : /************************************************************************/
5364 : /* GDALRegister_NITF() */
5365 : /************************************************************************/
5366 :
5367 : typedef struct
5368 : {
5369 : int nMaxLen;
5370 : const char* pszName;
5371 : const char* pszDescription;
5372 : } NITFFieldDescription;
5373 :
5374 : /* Keep in sync with NITFCreate */
5375 : static const NITFFieldDescription asFieldDescription [] =
5376 : {
5377 : { 2, "CLEVEL", "Complexity level" } ,
5378 : { 10, "OSTAID", "Originating Station ID" } ,
5379 : { 14, "FDT", "File Date and Time" } ,
5380 : { 80, "FTITLE", "File Title" } ,
5381 : { 1, "FSCLAS", "File Security Classification" } ,
5382 : { 2, "FSCLSY", "File Classification Security System" } ,
5383 : { 11, "FSCODE", "File Codewords" } ,
5384 : { 2, "FSCTLH", "File Control and Handling" } ,
5385 : { 20, "FSREL", "File Releasing Instructions" } ,
5386 : { 2, "FSDCTP", "File Declassification Type" } ,
5387 : { 8, "FSDCDT", "File Declassification Date" } ,
5388 : { 4, "FSDCXM", "File Declassification Exemption" } ,
5389 : { 1, "FSDG", "File Downgrade" } ,
5390 : { 8, "FSDGDT", "File Downgrade Date" } ,
5391 : { 43, "FSCLTX", "File Classification Text" } ,
5392 : { 1, "FSCATP", "File Classification Authority Type" } ,
5393 : { 40, "FSCAUT", "File Classification Authority" } ,
5394 : { 1, "FSCRSN", "File Classification Reason" } ,
5395 : { 8, "FSSRDT", "File Security Source Date" } ,
5396 : { 15, "FSCTLN", "File Security Control Number" } ,
5397 : { 5, "FSCOP", "File Copy Number" } ,
5398 : { 5, "FSCPYS", "File Number of Copies" } ,
5399 : { 24, "ONAME", "Originator Name" } ,
5400 : { 18, "OPHONE", "Originator Phone Number" } ,
5401 : { 10, "IID1", "Image Identifier 1" } ,
5402 : { 14, "IDATIM", "Image Date and Time" } ,
5403 : { 17, "TGTID", "Target Identifier" } ,
5404 : { 80, "IID2", "Image Identifier 2" } ,
5405 : { 1, "ISCLAS", "Image Security Classification" } ,
5406 : { 2, "ISCLSY", "Image Classification Security System" } ,
5407 : { 11, "ISCODE", "Image Codewords" } ,
5408 : { 2, "ISCTLH", "Image Control and Handling" } ,
5409 : { 20, "ISREL", "Image Releasing Instructions" } ,
5410 : { 2, "ISDCTP", "Image Declassification Type" } ,
5411 : { 8, "ISDCDT", "Image Declassification Date" } ,
5412 : { 4, "ISDCXM", "Image Declassification Exemption" } ,
5413 : { 1, "ISDG", "Image Downgrade" } ,
5414 : { 8, "ISDGDT", "Image Downgrade Date" } ,
5415 : { 43, "ISCLTX", "Image Classification Text" } ,
5416 : { 1, "ISCATP", "Image Classification Authority Type" } ,
5417 : { 40, "ISCAUT", "Image Classification Authority" } ,
5418 : { 1, "ISCRSN", "Image Classification Reason" } ,
5419 : { 8, "ISSRDT", "Image Security Source Date" } ,
5420 : { 15, "ISCTLN", "Image Security Control Number" } ,
5421 : { 42, "ISORCE", "Image Source" } ,
5422 : { 8, "ICAT", "Image Category" } ,
5423 : { 2, "ABPP", "Actual Bits-Per-Pixel Per Band" } ,
5424 : { 1, "PJUST", "Pixel Justification" } ,
5425 : {780, "ICOM", "Image Comments (up to 9x80 characters)" } ,
5426 : };
5427 :
5428 : /* Keep in sync with NITFWriteBLOCKA */
5429 : static const char *apszFieldsBLOCKA[] = {
5430 : "BLOCK_INSTANCE", "0", "2",
5431 : "N_GRAY", "2", "5",
5432 : "L_LINES", "7", "5",
5433 : "LAYOVER_ANGLE", "12", "3",
5434 : "SHADOW_ANGLE", "15", "3",
5435 : "BLANKS", "18", "16",
5436 : "FRLC_LOC", "34", "21",
5437 : "LRLC_LOC", "55", "21",
5438 : "LRFC_LOC", "76", "21",
5439 : "FRFC_LOC", "97", "21",
5440 : NULL, NULL, NULL };
5441 :
5442 558 : void GDALRegister_NITF()
5443 :
5444 : {
5445 : GDALDriver *poDriver;
5446 :
5447 558 : if( GDALGetDriverByName( "NITF" ) == NULL )
5448 : {
5449 : unsigned int i;
5450 537 : CPLString osCreationOptions;
5451 :
5452 : osCreationOptions =
5453 : "<CreationOptionList>"
5454 : " <Option name='IC' type='string-select' default='NC' description='Compression mode. NC=no compression. "
5455 : #ifdef JPEG_SUPPORTED
5456 : "C3/M3=JPEG compression. "
5457 : #endif
5458 : "C8=JP2 compression through the JP2ECW driver"
5459 : "'>"
5460 : " <Value>NC</Value>"
5461 : #ifdef JPEG_SUPPORTED
5462 : " <Value>C3</Value>"
5463 : " <Value>M3</Value>"
5464 : #endif
5465 : " <Value>C8</Value>"
5466 : " </Option>"
5467 : #ifdef JPEG_SUPPORTED
5468 : " <Option name='QUALITY' type='int' description='JPEG quality 10-100' default='75'/>"
5469 : " <Option name='PROGRESSIVE' type='boolean' description='JPEG progressive mode'/>"
5470 : " <Option name='RESTART_INTERVAL' type='int' description='Restart interval (in MCUs). -1 for auto, 0 for none, > 0 for user specified' default='-1'/>"
5471 : #endif
5472 : " <Option name='NUMI' type='int' default='1' description='Number of images to create (1-999). Only works with IC=NC'/>"
5473 : " <Option name='TARGET' type='float' description='For JP2 only. Compression Percentage'/>"
5474 : " <Option name='PROFILE' type='string-select' description='For JP2 only.'>"
5475 : " <Value>BASELINE_0</Value>"
5476 : " <Value>BASELINE_1</Value>"
5477 : " <Value>BASELINE_2</Value>"
5478 : " <Value>NPJE</Value>"
5479 : " <Value>EPJE</Value>"
5480 : " </Option>"
5481 : " <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)'>"
5482 : " <Value>G</Value>"
5483 : " <Value>D</Value>"
5484 : " <Value>N</Value>"
5485 : " <Value>S</Value>"
5486 : " </Option>"
5487 : " <Option name='FHDR' type='string-select' description='File version' default='NITF02.10'>"
5488 : " <Value>NITF02.10</Value>"
5489 : " <Value>NSIF01.00</Value>"
5490 : " </Option>"
5491 : " <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())'/>"
5492 : " <Option name='IREPBAND' type='string' description='Comma separated list of band IREPBANDs in band order'/>"
5493 : " <Option name='ISUBCAT' type='string' description='Comma separated list of band ISUBCATs in band order'/>"
5494 : " <Option name='LUT_SIZE' type='integer' description='Set to control the size of pseudocolor tables for RGB/LUT bands' default='256'/>"
5495 : " <Option name='BLOCKXSIZE' type='int' description='Set the block width'/>"
5496 : " <Option name='BLOCKYSIZE' type='int' description='Set the block height'/>"
5497 : " <Option name='BLOCKSIZE' type='int' description='Set the block with and height. Overridden by BLOCKXSIZE and BLOCKYSIZE'/>"
5498 : " <Option name='TEXT' type='string' description='TEXT options as text-option-name=text-option-content'/>"
5499 537 : " <Option name='CGM' type='string' description='CGM options in cgm-option-name=cgm-option-content'/>";
5500 :
5501 26850 : for(i=0;i<sizeof(asFieldDescription) / sizeof(asFieldDescription[0]); i++)
5502 : {
5503 : osCreationOptions += CPLString().Printf(" <Option name='%s' type='string' description='%s' maxsize='%d'/>",
5504 26313 : asFieldDescription[i].pszName, asFieldDescription[i].pszDescription, asFieldDescription[i].nMaxLen);
5505 : }
5506 :
5507 : osCreationOptions +=
5508 : " <Option name='TRE' type='string' description='Under the format TRE=tre-name,tre-contents'/>"
5509 : " <Option name='FILE_TRE' type='string' description='Under the format FILE_TRE=tre-name,tre-contents'/>"
5510 537 : " <Option name='BLOCKA_BLOCK_COUNT' type='int'/>";
5511 :
5512 5907 : for(i=0; apszFieldsBLOCKA[i] != NULL; i+=3)
5513 : {
5514 : char szFieldDescription[128];
5515 : sprintf(szFieldDescription, " <Option name='BLOCKA_%s_*' type='string' maxsize='%d'/>",
5516 5370 : apszFieldsBLOCKA[i], atoi(apszFieldsBLOCKA[i+2]));
5517 5370 : osCreationOptions += szFieldDescription;
5518 : }
5519 : osCreationOptions +=
5520 537 : " <Option name='SDE_TRE' type='boolean' description='Write GEOLOB and GEOPSB TREs (only geographic SRS for now)' default='NO'/>";
5521 537 : osCreationOptions += "</CreationOptionList>";
5522 :
5523 537 : poDriver = new GDALDriver();
5524 :
5525 537 : poDriver->SetDescription( "NITF" );
5526 : poDriver->SetMetadataItem( GDAL_DMD_LONGNAME,
5527 537 : "National Imagery Transmission Format" );
5528 :
5529 537 : poDriver->pfnIdentify = NITFDataset::Identify;
5530 537 : poDriver->pfnOpen = NITFDataset::Open;
5531 537 : poDriver->pfnCreate = NITFDataset::NITFDatasetCreate;
5532 537 : poDriver->pfnCreateCopy = NITFDataset::NITFCreateCopy;
5533 :
5534 537 : poDriver->SetMetadataItem( GDAL_DMD_HELPTOPIC, "frmt_nitf.html" );
5535 537 : poDriver->SetMetadataItem( GDAL_DMD_EXTENSION, "ntf" );
5536 : poDriver->SetMetadataItem( GDAL_DMD_CREATIONDATATYPES,
5537 537 : "Byte UInt16 Int16 UInt32 Int32 Float32" );
5538 :
5539 537 : poDriver->SetMetadataItem( GDAL_DMD_CREATIONOPTIONLIST, osCreationOptions);
5540 537 : poDriver->SetMetadataItem( GDAL_DCAP_VIRTUALIO, "YES" );
5541 :
5542 537 : GetGDALDriverManager()->RegisterDriver( poDriver );
5543 : }
5544 558 : }
|
