1 : /******************************************************************************
2 : * $Id: isis2dataset.cpp 23371 2011-11-13 14:24:00Z rouault $
3 : *
4 : * Project: ISIS Version 2 Driver
5 : * Purpose: Implementation of ISIS2Dataset
6 : * Author: Trent Hare (thare@usgs.gov),
7 : * Robert Soricone (rsoricone@usgs.gov)
8 : * Ludovic Mercier (ludovic.mercier@gmail.com)
9 : * Frank Warmerdam (warmerdam@pobox.com)
10 : *
11 : * NOTE: Original code authored by Trent and Robert and placed in the public
12 : * domain as per US government policy. I have (within my rights) appropriated
13 : * it and placed it under the following license. This is not intended to
14 : * diminish Trent and Roberts contribution.
15 : ******************************************************************************
16 : * Copyright (c) 2006, Frank Warmerdam <warmerdam@pobox.com>
17 : *
18 : * Permission is hereby granted, free of charge, to any person obtaining a
19 : * copy of this software and associated documentation files (the "Software"),
20 : * to deal in the Software without restriction, including without limitation
21 : * the rights to use, copy, modify, merge, publish, distribute, sublicense,
22 : * and/or sell copies of the Software, and to permit persons to whom the
23 : * Software is furnished to do so, subject to the following conditions:
24 : *
25 : * The above copyright notice and this permission notice shall be included
26 : * in all copies or substantial portions of the Software.
27 : *
28 : * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
29 : * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
30 : * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
31 : * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
32 : * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
33 : * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
34 : * DEALINGS IN THE SOFTWARE.
35 : ****************************************************************************/
36 :
37 : #define NULL1 0
38 : #define NULL2 -32768
39 : #define NULL3 -3.4028226550889044521e+38
40 :
41 : #ifndef PI
42 : # define PI 3.1415926535897932384626433832795
43 : #endif
44 :
45 : #define RECORD_SIZE 512
46 :
47 : #include "rawdataset.h"
48 : #include "ogr_spatialref.h"
49 : #include "cpl_string.h"
50 : #include "nasakeywordhandler.h"
51 :
52 : CPL_CVSID("$Id: isis2dataset.cpp 23371 2011-11-13 14:24:00Z rouault $");
53 :
54 : CPL_C_START
55 : void GDALRegister_ISIS2(void);
56 : CPL_C_END
57 :
58 : /************************************************************************/
59 : /* ==================================================================== */
60 : /* ISISDataset version2 */
61 : /* ==================================================================== */
62 : /************************************************************************/
63 :
64 : class ISIS2Dataset : public RawDataset
65 : {
66 : VSILFILE *fpImage; // image data file.
67 : CPLString osExternalCube;
68 :
69 : NASAKeywordHandler oKeywords;
70 :
71 : int bGotTransform;
72 : double adfGeoTransform[6];
73 :
74 : CPLString osProjection;
75 :
76 : int parse_label(const char *file, char *keyword, char *value);
77 : int strstrip(char instr[], char outstr[], int position);
78 :
79 : CPLString oTempResult;
80 :
81 : void CleanString( CPLString &osInput );
82 :
83 : const char *GetKeyword( const char *pszPath,
84 : const char *pszDefault = "");
85 : const char *GetKeywordSub( const char *pszPath,
86 : int iSubscript,
87 : const char *pszDefault = "");
88 :
89 : public:
90 : ISIS2Dataset();
91 : ~ISIS2Dataset();
92 :
93 : virtual CPLErr GetGeoTransform( double * padfTransform );
94 : virtual const char *GetProjectionRef(void);
95 :
96 : virtual char **GetFileList();
97 :
98 : static int Identify( GDALOpenInfo * );
99 : static GDALDataset *Open( GDALOpenInfo * );
100 : static GDALDataset *Create( const char * pszFilename,
101 : int nXSize, int nYSize, int nBands,
102 : GDALDataType eType, char ** papszParmList );
103 :
104 : // Write related.
105 : static int WriteRaster(CPLString osFilename, bool includeLabel, GUIntBig iRecord, GUIntBig iLabelRecords, GDALDataType eType, const char * pszInterleaving);
106 :
107 : static int WriteLabel(CPLString osFilename, CPLString osRasterFile, CPLString sObjectTag, unsigned int nXSize, unsigned int nYSize, unsigned int nBands, GDALDataType eType,
108 : GUIntBig iRecords, const char * pszInterleaving, GUIntBig & iLabelRecords, bool bRelaunch=false);
109 : static int WriteQUBE_Information(VSILFILE *fpLabel, unsigned int iLevel, unsigned int & nWritingBytes,
110 : unsigned int nXSize, unsigned int nYSize, unsigned int nBands, GDALDataType eType, const char * pszInterleaving);
111 :
112 : static unsigned int WriteKeyword(VSILFILE *fpLabel, unsigned int iLevel, CPLString key, CPLString value);
113 : static unsigned int WriteFormatting(VSILFILE *fpLabel, CPLString data);
114 : static GUIntBig RecordSizeCalculation(unsigned int nXSize, unsigned int nYSize, unsigned int nBands, GDALDataType eType );
115 : };
116 :
117 : /************************************************************************/
118 : /* ISIS2Dataset() */
119 : /************************************************************************/
120 :
121 44 : ISIS2Dataset::ISIS2Dataset()
122 : {
123 44 : fpImage = NULL;
124 44 : bGotTransform = FALSE;
125 44 : adfGeoTransform[0] = 0.0;
126 44 : adfGeoTransform[1] = 1.0;
127 44 : adfGeoTransform[2] = 0.0;
128 44 : adfGeoTransform[3] = 0.0;
129 44 : adfGeoTransform[4] = 0.0;
130 44 : adfGeoTransform[5] = 1.0;
131 44 : }
132 :
133 : /************************************************************************/
134 : /* ~ISIS2Dataset() */
135 : /************************************************************************/
136 :
137 44 : ISIS2Dataset::~ISIS2Dataset()
138 :
139 : {
140 44 : FlushCache();
141 44 : if( fpImage != NULL )
142 42 : VSIFCloseL( fpImage );
143 44 : }
144 :
145 : /************************************************************************/
146 : /* GetFileList() */
147 : /************************************************************************/
148 :
149 2 : char **ISIS2Dataset::GetFileList()
150 :
151 : {
152 2 : char **papszFileList = NULL;
153 :
154 2 : papszFileList = GDALPamDataset::GetFileList();
155 :
156 2 : if( strlen(osExternalCube) > 0 )
157 1 : papszFileList = CSLAddString( papszFileList, osExternalCube );
158 :
159 2 : return papszFileList;
160 : }
161 :
162 : /************************************************************************/
163 : /* GetProjectionRef() */
164 : /************************************************************************/
165 :
166 1 : const char *ISIS2Dataset::GetProjectionRef()
167 :
168 : {
169 1 : if( strlen(osProjection) > 0 )
170 1 : return osProjection;
171 : else
172 0 : return GDALPamDataset::GetProjectionRef();
173 : }
174 :
175 : /************************************************************************/
176 : /* GetGeoTransform() */
177 : /************************************************************************/
178 :
179 14 : CPLErr ISIS2Dataset::GetGeoTransform( double * padfTransform )
180 :
181 : {
182 14 : if( bGotTransform )
183 : {
184 1 : memcpy( padfTransform, adfGeoTransform, sizeof(double) * 6 );
185 1 : return CE_None;
186 : }
187 : else
188 : {
189 13 : return GDALPamDataset::GetGeoTransform( padfTransform );
190 : }
191 : }
192 :
193 : /************************************************************************/
194 : /* Identify() */
195 : /************************************************************************/
196 :
197 :
198 11540 : int ISIS2Dataset::Identify( GDALOpenInfo * poOpenInfo )
199 : {
200 11540 : if( poOpenInfo->pabyHeader == NULL )
201 10392 : return FALSE;
202 :
203 1148 : if( strstr((const char *)poOpenInfo->pabyHeader,"^QUBE") == NULL )
204 1104 : return FALSE;
205 : else
206 44 : return TRUE;
207 : }
208 :
209 : /************************************************************************/
210 : /* Open() */
211 : /************************************************************************/
212 :
213 2295 : GDALDataset *ISIS2Dataset::Open( GDALOpenInfo * poOpenInfo )
214 : {
215 : /* -------------------------------------------------------------------- */
216 : /* Does this look like a CUBE or an IMAGE Primary Data Object? */
217 : /* -------------------------------------------------------------------- */
218 2295 : if( !Identify( poOpenInfo ) )
219 2251 : return NULL;
220 :
221 : /* -------------------------------------------------------------------- */
222 : /* Open the file using the large file API. */
223 : /* -------------------------------------------------------------------- */
224 44 : VSILFILE *fpQube = VSIFOpenL( poOpenInfo->pszFilename, "rb" );
225 :
226 44 : if( fpQube == NULL )
227 0 : return NULL;
228 :
229 : ISIS2Dataset *poDS;
230 :
231 44 : poDS = new ISIS2Dataset();
232 :
233 44 : if( ! poDS->oKeywords.Ingest( fpQube, 0 ) )
234 : {
235 0 : VSIFCloseL( fpQube );
236 0 : delete poDS;
237 0 : return NULL;
238 : }
239 :
240 44 : VSIFCloseL( fpQube );
241 :
242 : /* -------------------------------------------------------------------- */
243 : /* We assume the user is pointing to the label (ie. .lab) file. */
244 : /* -------------------------------------------------------------------- */
245 : // QUBE can be inline or detached and point to an image name
246 : // ^QUBE = 76
247 : // ^QUBE = ("ui31s015.img",6441<BYTES>) - has another label on the image
248 : // ^QUBE = "ui31s015.img" - which implies no label or skip value
249 :
250 44 : const char *pszQube = poDS->GetKeyword( "^QUBE" );
251 44 : GUIntBig nQube = 0;
252 44 : int bByteLocation = FALSE;
253 44 : CPLString osTargetFile = poOpenInfo->pszFilename;
254 :
255 44 : if( pszQube[0] == '"' )
256 : {
257 0 : CPLString osTPath = CPLGetPath(poOpenInfo->pszFilename);
258 0 : CPLString osFilename = pszQube;
259 0 : poDS->CleanString( osFilename );
260 0 : osTargetFile = CPLFormCIFilename( osTPath, osFilename, NULL );
261 0 : poDS->osExternalCube = osTargetFile;
262 : }
263 44 : else if( pszQube[0] == '(' )
264 : {
265 3 : CPLString osTPath = CPLGetPath(poOpenInfo->pszFilename);
266 3 : CPLString osFilename = poDS->GetKeywordSub("^QUBE",1,"");
267 3 : poDS->CleanString( osFilename );
268 3 : osTargetFile = CPLFormCIFilename( osTPath, osFilename, NULL );
269 3 : poDS->osExternalCube = osTargetFile;
270 :
271 3 : nQube = atoi(poDS->GetKeywordSub("^QUBE",2,"1"));
272 3 : if( strstr(poDS->GetKeywordSub("^QUBE",2,"1"),"<BYTES>") != NULL )
273 0 : bByteLocation = true;
274 : }
275 : else
276 : {
277 41 : nQube = atoi(pszQube);
278 41 : if( strstr(pszQube,"<BYTES>") != NULL )
279 0 : bByteLocation = true;
280 : }
281 :
282 : /* -------------------------------------------------------------------- */
283 : /* Check if file an ISIS2 header file? Read a few lines of text */
284 : /* searching for something starting with nrows or ncols. */
285 : /* -------------------------------------------------------------------- */
286 44 : GDALDataType eDataType = GDT_Byte;
287 44 : OGRSpatialReference oSRS;
288 :
289 : //image parameters
290 44 : int nRows, nCols, nBands = 1;
291 44 : GUIntBig nSkipBytes = 0;
292 : int itype;
293 : int s_ix, s_iy, s_iz; // check SUFFIX_ITEMS params.
294 : int record_bytes;
295 44 : int bNoDataSet = FALSE;
296 44 : char chByteOrder = 'M'; //default to MSB
297 :
298 : //Georef parameters
299 44 : double dfULXMap=0.5;
300 44 : double dfULYMap = 0.5;
301 44 : double dfXDim = 1.0;
302 44 : double dfYDim = 1.0;
303 44 : double dfNoData = 0.0;
304 44 : double xulcenter = 0.0;
305 44 : double yulcenter = 0.0;
306 :
307 : //projection parameters
308 44 : int bProjectionSet = TRUE;
309 44 : double semi_major = 0.0;
310 44 : double semi_minor = 0.0;
311 44 : double iflattening = 0.0;
312 44 : double center_lat = 0.0;
313 44 : double center_lon = 0.0;
314 44 : double first_std_parallel = 0.0;
315 44 : double second_std_parallel = 0.0;
316 : VSILFILE *fp;
317 :
318 : /* -------------------------------------------------------------------- */
319 : /* Checks to see if this is valid ISIS2 cube */
320 : /* SUFFIX_ITEM tag in .cub file should be (0,0,0); no side-planes */
321 : /* -------------------------------------------------------------------- */
322 44 : s_ix = atoi(poDS->GetKeywordSub( "QUBE.SUFFIX_ITEMS", 1 ));
323 44 : s_iy = atoi(poDS->GetKeywordSub( "QUBE.SUFFIX_ITEMS", 2 ));
324 44 : s_iz = atoi(poDS->GetKeywordSub( "QUBE.SUFFIX_ITEMS", 3 ));
325 :
326 44 : if( s_ix != 0 || s_iy != 0 || s_iz != 0 )
327 : {
328 : CPLError( CE_Failure, CPLE_OpenFailed,
329 : "*** ISIS 2 cube file has invalid SUFFIX_ITEMS parameters:\n"
330 : "*** gdal isis2 driver requires (0, 0, 0), thus no sideplanes or backplanes\n"
331 0 : "found: (%i, %i, %i)\n\n", s_ix, s_iy, s_iz );
332 0 : delete poDS;
333 0 : return NULL;
334 : }
335 :
336 : /**************** end SUFFIX_ITEM check ***********************/
337 :
338 :
339 : /*********** Grab layout type (BSQ, BIP, BIL) ************/
340 : // AXIS_NAME = (SAMPLE,LINE,BAND)
341 : /***********************************************************/
342 : const char *value;
343 :
344 44 : char szLayout[10] = "BSQ"; //default to band seq.
345 44 : value = poDS->GetKeyword( "QUBE.AXIS_NAME", "" );
346 44 : if (EQUAL(value,"(SAMPLE,LINE,BAND)") )
347 44 : strcpy(szLayout,"BSQ");
348 0 : else if (EQUAL(value,"(BAND,LINE,SAMPLE)") )
349 0 : strcpy(szLayout,"BIP");
350 0 : else if (EQUAL(value,"(SAMPLE,BAND,LINE)") || EQUAL(value,"") )
351 0 : strcpy(szLayout,"BSQ");
352 : else {
353 : CPLError( CE_Failure, CPLE_OpenFailed,
354 0 : "%s layout not supported. Abort\n\n", value);
355 0 : delete poDS;
356 0 : return NULL;
357 : }
358 :
359 : /*********** Grab samples lines band ************/
360 44 : nCols = atoi(poDS->GetKeywordSub("QUBE.CORE_ITEMS",1));
361 44 : nRows = atoi(poDS->GetKeywordSub("QUBE.CORE_ITEMS",2));
362 44 : nBands = atoi(poDS->GetKeywordSub("QUBE.CORE_ITEMS",3));
363 :
364 : /*********** Grab Qube record bytes **********/
365 44 : record_bytes = atoi(poDS->GetKeyword("RECORD_BYTES"));
366 :
367 44 : if (nQube > 0 && bByteLocation )
368 0 : nSkipBytes = (nQube - 1);
369 44 : else if( nQube > 0 )
370 44 : nSkipBytes = (nQube - 1) * record_bytes;
371 : else
372 0 : nSkipBytes = 0;
373 :
374 : /*********** Grab samples lines band ************/
375 44 : CPLString osCoreItemType = poDS->GetKeyword( "QUBE.CORE_ITEM_TYPE" );
376 44 : if( (EQUAL(osCoreItemType,"PC_INTEGER")) ||
377 : (EQUAL(osCoreItemType,"PC_UNSIGNED_INTEGER")) ||
378 : (EQUAL(osCoreItemType,"PC_REAL")) ) {
379 43 : chByteOrder = 'I';
380 : }
381 :
382 : /******** Grab format type - isis2 only supports 8,16,32 *******/
383 44 : itype = atoi(poDS->GetKeyword("QUBE.CORE_ITEM_BYTES",""));
384 44 : switch(itype) {
385 : case 1 :
386 20 : eDataType = GDT_Byte;
387 20 : dfNoData = NULL1;
388 20 : bNoDataSet = TRUE;
389 20 : break;
390 : case 2 :
391 10 : if( strstr(osCoreItemType,"UNSIGNED") != NULL )
392 : {
393 5 : dfNoData = 0;
394 5 : eDataType = GDT_UInt16;
395 : }
396 : else
397 : {
398 5 : dfNoData = NULL2;
399 5 : eDataType = GDT_Int16;
400 : }
401 10 : bNoDataSet = TRUE;
402 10 : break;
403 : case 4 :
404 9 : eDataType = GDT_Float32;
405 9 : dfNoData = NULL3;
406 9 : bNoDataSet = TRUE;
407 9 : break;
408 : case 8 :
409 5 : eDataType = GDT_Float64;
410 5 : dfNoData = NULL3;
411 5 : bNoDataSet = TRUE;
412 5 : break;
413 : default :
414 : CPLError( CE_Failure, CPLE_AppDefined,
415 : "Itype of %d is not supported in ISIS 2.",
416 0 : itype);
417 0 : delete poDS;
418 0 : return NULL;
419 : }
420 :
421 : /*********** Grab Cellsize ************/
422 44 : value = poDS->GetKeyword("QUBE.IMAGE_MAP_PROJECTION.MAP_SCALE");
423 44 : if (strlen(value) > 0 ) {
424 1 : dfXDim = (float) atof(value) * 1000.0; /* convert from km to m */
425 1 : dfYDim = (float) atof(value) * 1000.0 * -1;
426 : }
427 :
428 : /*********** Grab LINE_PROJECTION_OFFSET ************/
429 44 : value = poDS->GetKeyword("QUBE.IMAGE_MAP_PROJECTION.LINE_PROJECTION_OFFSET");
430 44 : if (strlen(value) > 0) {
431 1 : yulcenter = (float) atof(value);
432 1 : yulcenter = ((yulcenter) * dfYDim);
433 1 : dfULYMap = yulcenter - (dfYDim/2);
434 : }
435 :
436 : /*********** Grab SAMPLE_PROJECTION_OFFSET ************/
437 44 : value = poDS->GetKeyword("QUBE.IMAGE_MAP_PROJECTION.SAMPLE_PROJECTION_OFFSET");
438 44 : if( strlen(value) > 0 ) {
439 1 : xulcenter = (float) atof(value);
440 1 : xulcenter = ((xulcenter) * dfXDim);
441 1 : dfULXMap = xulcenter - (dfXDim/2);
442 : }
443 :
444 : /*********** Grab TARGET_NAME ************/
445 : /**** This is the planets name i.e. MARS ***/
446 44 : CPLString target_name = poDS->GetKeyword("QUBE.TARGET_NAME");
447 :
448 : /*********** Grab MAP_PROJECTION_TYPE ************/
449 : CPLString map_proj_name =
450 44 : poDS->GetKeyword( "QUBE.IMAGE_MAP_PROJECTION.MAP_PROJECTION_TYPE");
451 44 : poDS->CleanString( map_proj_name );
452 :
453 : /*********** Grab SEMI-MAJOR ************/
454 : semi_major =
455 44 : atof(poDS->GetKeyword( "QUBE.IMAGE_MAP_PROJECTION.A_AXIS_RADIUS")) * 1000.0;
456 :
457 : /*********** Grab semi-minor ************/
458 : semi_minor =
459 44 : atof(poDS->GetKeyword( "QUBE.IMAGE_MAP_PROJECTION.C_AXIS_RADIUS")) * 1000.0;
460 :
461 : /*********** Grab CENTER_LAT ************/
462 : center_lat =
463 44 : atof(poDS->GetKeyword( "QUBE.IMAGE_MAP_PROJECTION.CENTER_LATITUDE"));
464 :
465 : /*********** Grab CENTER_LON ************/
466 : center_lon =
467 44 : atof(poDS->GetKeyword( "QUBE.IMAGE_MAP_PROJECTION.CENTER_LONGITUDE"));
468 :
469 : /*********** Grab 1st std parallel ************/
470 : first_std_parallel =
471 44 : atof(poDS->GetKeyword( "QUBE.IMAGE_MAP_PROJECTION.FIRST_STANDARD_PARALLEL"));
472 :
473 : /*********** Grab 2nd std parallel ************/
474 : second_std_parallel =
475 44 : atof(poDS->GetKeyword( "QUBE.IMAGE_MAP_PROJECTION.SECOND_STANDARD_PARALLEL"));
476 :
477 : /*** grab PROJECTION_LATITUDE_TYPE = "PLANETOCENTRIC" ****/
478 : // Need to further study how ocentric/ographic will effect the gdal library.
479 : // So far we will use this fact to define a sphere or ellipse for some projections
480 : // Frank - may need to talk this over
481 44 : char bIsGeographic = TRUE;
482 44 : value = poDS->GetKeyword("CUBE.IMAGE_MAP_PROJECTION.PROJECTION_LATITUDE_TYPE");
483 44 : if (EQUAL( value, "\"PLANETOCENTRIC\"" ))
484 0 : bIsGeographic = FALSE;
485 :
486 44 : CPLDebug("ISIS2","using projection %s", map_proj_name.c_str() );
487 :
488 : //Set oSRS projection and parameters
489 44 : if ((EQUAL( map_proj_name, "EQUIRECTANGULAR_CYLINDRICAL" )) ||
490 : (EQUAL( map_proj_name, "EQUIRECTANGULAR" )) ||
491 : (EQUAL( map_proj_name, "SIMPLE_CYLINDRICAL" )) ) {
492 1 : oSRS.OGRSpatialReference::SetEquirectangular2 ( 0.0, center_lon, center_lat, 0, 0 );
493 43 : } else if (EQUAL( map_proj_name, "ORTHOGRAPHIC" )) {
494 0 : oSRS.OGRSpatialReference::SetOrthographic ( center_lat, center_lon, 0, 0 );
495 43 : } else if ((EQUAL( map_proj_name, "SINUSOIDAL" )) ||
496 : (EQUAL( map_proj_name, "SINUSOIDAL_EQUAL-AREA" ))) {
497 0 : oSRS.OGRSpatialReference::SetSinusoidal ( center_lon, 0, 0 );
498 43 : } else if (EQUAL( map_proj_name, "MERCATOR" )) {
499 0 : oSRS.OGRSpatialReference::SetMercator ( center_lat, center_lon, 1, 0, 0 );
500 43 : } else if (EQUAL( map_proj_name, "POLAR_STEREOGRAPHIC" )) {
501 0 : oSRS.OGRSpatialReference::SetPS ( center_lat, center_lon, 1, 0, 0 );
502 43 : } else if (EQUAL( map_proj_name, "TRANSVERSE_MERCATOR" )) {
503 0 : oSRS.OGRSpatialReference::SetTM ( center_lat, center_lon, 1, 0, 0 );
504 43 : } else if (EQUAL( map_proj_name, "LAMBERT_CONFORMAL_CONIC" )) {
505 0 : oSRS.OGRSpatialReference::SetLCC ( first_std_parallel, second_std_parallel, center_lat, center_lon, 0, 0 );
506 43 : } else if (EQUAL( map_proj_name, "") ) {
507 : /* no projection */
508 43 : bProjectionSet = FALSE;
509 : } else {
510 : CPLDebug( "ISIS2",
511 : "Dataset projection %s is not supported. Continuing...",
512 0 : map_proj_name.c_str() );
513 0 : bProjectionSet = FALSE;
514 : }
515 :
516 44 : if (bProjectionSet) {
517 : //Create projection name, i.e. MERCATOR MARS and set as ProjCS keyword
518 1 : CPLString proj_target_name = map_proj_name + " " + target_name;
519 1 : oSRS.SetProjCS(proj_target_name); //set ProjCS keyword
520 :
521 : //The geographic/geocentric name will be the same basic name as the body name
522 : //'GCS' = Geographic/Geocentric Coordinate System
523 1 : CPLString geog_name = "GCS_" + target_name;
524 :
525 : //The datum and sphere names will be the same basic name aas the planet
526 1 : CPLString datum_name = "D_" + target_name;
527 1 : CPLString sphere_name = target_name; // + "_IAU_IAG"); //Might not be IAU defined so don't add
528 :
529 : //calculate inverse flattening from major and minor axis: 1/f = a/(a-b)
530 1 : if ((semi_major - semi_minor) < 0.0000001)
531 1 : iflattening = 0;
532 : else
533 0 : iflattening = semi_major / (semi_major - semi_minor);
534 :
535 : //Set the body size but take into consideration which proj is being used to help w/ proj4 compatibility
536 : //The use of a Sphere, polar radius or ellipse here is based on how ISIS does it internally
537 1 : if ( ( (EQUAL( map_proj_name, "STEREOGRAPHIC" ) && (fabs(center_lat) == 90)) ) ||
538 : (EQUAL( map_proj_name, "POLAR_STEREOGRAPHIC" )))
539 : {
540 0 : if (bIsGeographic) {
541 : //Geograpraphic, so set an ellipse
542 : oSRS.SetGeogCS( geog_name, datum_name, sphere_name,
543 : semi_major, iflattening,
544 0 : "Reference_Meridian", 0.0 );
545 : } else {
546 : //Geocentric, so force a sphere using the semi-minor axis. I hope...
547 0 : sphere_name += "_polarRadius";
548 : oSRS.SetGeogCS( geog_name, datum_name, sphere_name,
549 : semi_minor, 0.0,
550 0 : "Reference_Meridian", 0.0 );
551 : }
552 : }
553 1 : else if ( (EQUAL( map_proj_name, "SIMPLE_CYLINDRICAL" )) ||
554 : (EQUAL( map_proj_name, "ORTHOGRAPHIC" )) ||
555 : (EQUAL( map_proj_name, "STEREOGRAPHIC" )) ||
556 : (EQUAL( map_proj_name, "SINUSOIDAL_EQUAL-AREA" )) ||
557 : (EQUAL( map_proj_name, "SINUSOIDAL" )) ) {
558 : //isis uses the sphereical equation for these projections so force a sphere
559 : oSRS.SetGeogCS( geog_name, datum_name, sphere_name,
560 : semi_major, 0.0,
561 1 : "Reference_Meridian", 0.0 );
562 : }
563 0 : else if ((EQUAL( map_proj_name, "EQUIRECTANGULAR_CYLINDRICAL" )) ||
564 : (EQUAL( map_proj_name, "EQUIRECTANGULAR" )) ) {
565 : //Calculate localRadius using ISIS3 simple elliptical method
566 : // not the more standard Radius of Curvature method
567 : //PI = 4 * atan(1);
568 : double radLat, localRadius;
569 0 : if (center_lon == 0) { //No need to calculate local radius
570 : oSRS.SetGeogCS( geog_name, datum_name, sphere_name,
571 : semi_major, 0.0,
572 0 : "Reference_Meridian", 0.0 );
573 : } else {
574 0 : radLat = center_lat * PI / 180; // in radians
575 : localRadius = semi_major * semi_minor / sqrt(pow(semi_minor*cos(radLat),2)
576 0 : + pow(semi_major*sin(radLat),2) );
577 0 : sphere_name += "_localRadius";
578 : oSRS.SetGeogCS( geog_name, datum_name, sphere_name,
579 : localRadius, 0.0,
580 0 : "Reference_Meridian", 0.0 );
581 0 : CPLDebug( "ISIS2", "local radius: %f", localRadius);
582 : }
583 : }
584 : else {
585 : //All other projections: Mercator, Transverse Mercator, Lambert Conformal, etc.
586 : //Geographic, so set an ellipse
587 0 : if (bIsGeographic) {
588 : oSRS.SetGeogCS( geog_name, datum_name, sphere_name,
589 : semi_major, iflattening,
590 0 : "Reference_Meridian", 0.0 );
591 : } else {
592 : //Geocentric, so force a sphere. I hope...
593 : oSRS.SetGeogCS( geog_name, datum_name, sphere_name,
594 : semi_major, 0.0,
595 0 : "Reference_Meridian", 0.0 );
596 : }
597 : }
598 :
599 :
600 : // translate back into a projection string.
601 1 : char *pszResult = NULL;
602 1 : oSRS.exportToWkt( &pszResult );
603 1 : poDS->osProjection = pszResult;
604 1 : CPLFree( pszResult );
605 : }
606 :
607 : /* END ISIS2 Label Read */
608 : /*++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++*/
609 :
610 : /* -------------------------------------------------------------------- */
611 : /* Did we get the required keywords? If not we return with */
612 : /* this never having been considered to be a match. This isn't */
613 : /* an error! */
614 : /* -------------------------------------------------------------------- */
615 44 : if( nRows < 1 || nCols < 1 || nBands < 1 )
616 : {
617 2 : delete poDS;
618 2 : return NULL;
619 : }
620 :
621 : /* -------------------------------------------------------------------- */
622 : /* Capture some information from the file that is of interest. */
623 : /* -------------------------------------------------------------------- */
624 42 : poDS->nRasterXSize = nCols;
625 42 : poDS->nRasterYSize = nRows;
626 :
627 : /* -------------------------------------------------------------------- */
628 : /* Open target binary file. */
629 : /* -------------------------------------------------------------------- */
630 :
631 42 : if( poOpenInfo->eAccess == GA_ReadOnly )
632 18 : poDS->fpImage = VSIFOpenL( osTargetFile, "rb" );
633 : else
634 24 : poDS->fpImage = VSIFOpenL( osTargetFile, "r+b" );
635 :
636 42 : if( poDS->fpImage == NULL )
637 : {
638 : CPLError( CE_Failure, CPLE_OpenFailed,
639 : "Failed to open %s with write permission.\n%s",
640 0 : osTargetFile.c_str(), VSIStrerror( errno ) );
641 0 : delete poDS;
642 0 : return NULL;
643 : }
644 :
645 42 : poDS->eAccess = poOpenInfo->eAccess;
646 :
647 : /* -------------------------------------------------------------------- */
648 : /* Compute the line offset. */
649 : /* -------------------------------------------------------------------- */
650 42 : int nItemSize = GDALGetDataTypeSize(eDataType)/8;
651 : int nLineOffset, nPixelOffset, nBandOffset;
652 :
653 42 : if( EQUAL(szLayout,"BIP") )
654 : {
655 0 : nPixelOffset = nItemSize * nBands;
656 0 : nLineOffset = nPixelOffset * nCols;
657 0 : nBandOffset = nItemSize;
658 : }
659 42 : else if( EQUAL(szLayout,"BSQ") )
660 : {
661 42 : nPixelOffset = nItemSize;
662 42 : nLineOffset = nPixelOffset * nCols;
663 42 : nBandOffset = nLineOffset * nRows;
664 : }
665 : else /* assume BIL */
666 : {
667 0 : nPixelOffset = nItemSize;
668 0 : nLineOffset = nItemSize * nBands * nCols;
669 0 : nBandOffset = nItemSize * nCols;
670 : }
671 :
672 : /* -------------------------------------------------------------------- */
673 : /* Create band information objects. */
674 : /* -------------------------------------------------------------------- */
675 : int i;
676 :
677 42 : poDS->nBands = nBands;;
678 130 : for( i = 0; i < poDS->nBands; i++ )
679 : {
680 : RawRasterBand *poBand;
681 :
682 : poBand =
683 : new RawRasterBand( poDS, i+1, poDS->fpImage,
684 : nSkipBytes + nBandOffset * i,
685 : nPixelOffset, nLineOffset, eDataType,
686 : #ifdef CPL_LSB
687 : chByteOrder == 'I' || chByteOrder == 'L',
688 : #else
689 : chByteOrder == 'M',
690 : #endif
691 88 : TRUE );
692 :
693 88 : if( bNoDataSet )
694 88 : poBand->SetNoDataValue( dfNoData );
695 :
696 88 : poDS->SetBand( i+1, poBand );
697 :
698 : // Set offset/scale values at the PAM level.
699 : poBand->SetOffset(
700 88 : CPLAtofM(poDS->GetKeyword("QUBE.CORE_BASE","0.0")));
701 : poBand->SetScale(
702 88 : CPLAtofM(poDS->GetKeyword("QUBE.CORE_MULTIPLIER","1.0")));
703 : }
704 :
705 : /* -------------------------------------------------------------------- */
706 : /* Check for a .prj file. For isis2 I would like to keep this in */
707 : /* -------------------------------------------------------------------- */
708 42 : CPLString osPath, osName;
709 :
710 42 : osPath = CPLGetPath( poOpenInfo->pszFilename );
711 42 : osName = CPLGetBasename(poOpenInfo->pszFilename);
712 42 : const char *pszPrjFile = CPLFormCIFilename( osPath, osName, "prj" );
713 :
714 42 : fp = VSIFOpenL( pszPrjFile, "r" );
715 42 : if( fp != NULL )
716 : {
717 : char **papszLines;
718 0 : OGRSpatialReference oSRS;
719 :
720 0 : VSIFCloseL( fp );
721 :
722 0 : papszLines = CSLLoad( pszPrjFile );
723 :
724 0 : if( oSRS.importFromESRI( papszLines ) == OGRERR_NONE )
725 : {
726 0 : char *pszResult = NULL;
727 0 : oSRS.exportToWkt( &pszResult );
728 0 : poDS->osProjection = pszResult;
729 0 : CPLFree( pszResult );
730 : }
731 :
732 0 : CSLDestroy( papszLines );
733 : }
734 :
735 :
736 42 : if( dfULYMap != 0.5 || dfULYMap != 0.5 || dfXDim != 1.0 || dfYDim != 1.0 )
737 : {
738 1 : poDS->bGotTransform = TRUE;
739 1 : poDS->adfGeoTransform[0] = dfULXMap;
740 1 : poDS->adfGeoTransform[1] = dfXDim;
741 1 : poDS->adfGeoTransform[2] = 0.0;
742 1 : poDS->adfGeoTransform[3] = dfULYMap;
743 1 : poDS->adfGeoTransform[4] = 0.0;
744 1 : poDS->adfGeoTransform[5] = dfYDim;
745 : }
746 :
747 42 : if( !poDS->bGotTransform )
748 : poDS->bGotTransform =
749 : GDALReadWorldFile( poOpenInfo->pszFilename, "cbw",
750 41 : poDS->adfGeoTransform );
751 :
752 42 : if( !poDS->bGotTransform )
753 : poDS->bGotTransform =
754 : GDALReadWorldFile( poOpenInfo->pszFilename, "wld",
755 41 : poDS->adfGeoTransform );
756 :
757 : /* -------------------------------------------------------------------- */
758 : /* Initialize any PAM information. */
759 : /* -------------------------------------------------------------------- */
760 42 : poDS->SetDescription( poOpenInfo->pszFilename );
761 42 : poDS->TryLoadXML();
762 :
763 : /* -------------------------------------------------------------------- */
764 : /* Check for overviews. */
765 : /* -------------------------------------------------------------------- */
766 42 : poDS->oOvManager.Initialize( poDS, poOpenInfo->pszFilename );
767 :
768 42 : return( poDS );
769 : }
770 :
771 : /************************************************************************/
772 : /* GetKeyword() */
773 : /************************************************************************/
774 :
775 924 : const char *ISIS2Dataset::GetKeyword( const char *pszPath,
776 : const char *pszDefault )
777 :
778 : {
779 924 : return oKeywords.GetKeyword( pszPath, pszDefault );
780 : }
781 :
782 : /************************************************************************/
783 : /* GetKeywordSub() */
784 : /************************************************************************/
785 :
786 273 : const char *ISIS2Dataset::GetKeywordSub( const char *pszPath,
787 : int iSubscript,
788 : const char *pszDefault )
789 :
790 : {
791 273 : const char *pszResult = oKeywords.GetKeyword( pszPath, NULL );
792 :
793 273 : if( pszResult == NULL )
794 0 : return pszDefault;
795 :
796 273 : if( pszResult[0] != '(' )
797 0 : return pszDefault;
798 :
799 : char **papszTokens = CSLTokenizeString2( pszResult, "(,)",
800 273 : CSLT_HONOURSTRINGS );
801 :
802 273 : if( iSubscript <= CSLCount(papszTokens) )
803 : {
804 273 : oTempResult = papszTokens[iSubscript-1];
805 273 : CSLDestroy( papszTokens );
806 273 : return oTempResult.c_str();
807 : }
808 : else
809 : {
810 0 : CSLDestroy( papszTokens );
811 0 : return pszDefault;
812 : }
813 : }
814 :
815 : /************************************************************************/
816 : /* CleanString() */
817 : /* */
818 : /* Removes single or double quotes, and converts spaces to underscores. */
819 : /* The change is made in-place to CPLString. */
820 : /************************************************************************/
821 :
822 47 : void ISIS2Dataset::CleanString( CPLString &osInput )
823 :
824 : {
825 47 : if( ( osInput.size() < 2 ) ||
826 : ((osInput.at(0) != '"' || osInput.at(osInput.size()-1) != '"' ) &&
827 : ( osInput.at(0) != '\'' || osInput.at(osInput.size()-1) != '\'')) )
828 47 : return;
829 :
830 0 : char *pszWrk = CPLStrdup(osInput.c_str() + 1);
831 : int i;
832 :
833 0 : pszWrk[strlen(pszWrk)-1] = '\0';
834 :
835 0 : for( i = 0; pszWrk[i] != '\0'; i++ )
836 : {
837 0 : if( pszWrk[i] == ' ' )
838 0 : pszWrk[i] = '_';
839 : }
840 :
841 0 : osInput = pszWrk;
842 0 : CPLFree( pszWrk );
843 : }
844 :
845 : /************************************************************************/
846 : /* Create() */
847 : /************************************************************************/
848 : /**
849 : * Hidden Creation Options:
850 : * INTERLEAVE=BSQ/BIP/BIL: Force the generation specified type of interleaving.
851 : * BSQ --- band sequental (default),
852 : * BIP --- band interleaved by pixel,
853 : * BIL --- band interleaved by line.
854 : * OBJECT=QUBE/IMAGE/SPECTRAL_QUBE, if null default is QUBE
855 : */
856 :
857 45 : GDALDataset *ISIS2Dataset::Create(const char* pszFilename,
858 : int nXSize, int nYSize, int nBands,
859 : GDALDataType eType, char** papszParmList) {
860 :
861 : /* Verify settings. In Isis 2 core pixel values can be represented in
862 : * three different ways : 1, 2 4, or 8 Bytes */
863 45 : if( eType != GDT_Byte && eType != GDT_Int16 && eType != GDT_Float32
864 : && eType != GDT_UInt16 && eType != GDT_Float64 ){
865 : CPLError(CE_Failure, CPLE_AppDefined,
866 : "The ISIS2 driver does not supporting creating files of type %s.",
867 18 : GDALGetDataTypeName( eType ) );
868 18 : return NULL;
869 : }
870 :
871 : /* (SAMPLE, LINE, BAND) - Band Sequential (BSQ) - default choice
872 : (SAMPLE, BAND, LINE) - Band Interleaved by Line (BIL)
873 : (BAND, SAMPLE, LINE) - Band Interleaved by Pixel (BIP) */
874 27 : const char *pszInterleaving = "(SAMPLE,LINE,BAND)";
875 27 : const char *pszInterleavingParam = CSLFetchNameValue( papszParmList, "INTERLEAVE" );
876 27 : if ( pszInterleavingParam ) {
877 0 : if ( EQUALN( pszInterleavingParam, "bip", 3 ) )
878 0 : pszInterleaving = "(BAND,SAMPLE,LINE)";
879 0 : else if ( EQUALN( pszInterleavingParam, "bil", 3 ) )
880 0 : pszInterleaving = "(SAMPLE,BAND,LINE)";
881 : else
882 0 : pszInterleaving = "(SAMPLE,LINE,BAND)";
883 : }
884 :
885 : /* default labeling method is attached */
886 27 : bool bAttachedLabelingMethod = true;
887 : /* check if labeling method is set : check the all three first chars */
888 27 : const char *pszLabelingMethod = CSLFetchNameValue( papszParmList, "LABELING_METHOD" );
889 27 : if ( pszLabelingMethod ){
890 1 : if ( EQUALN( pszLabelingMethod, "detached", 3 ) ){
891 1 : bAttachedLabelingMethod = false;
892 : }
893 1 : if ( EQUALN( pszLabelingMethod, "attached", 3 ) ){
894 0 : bAttachedLabelingMethod = true;
895 : }
896 : }
897 :
898 : /* set the label and data files */
899 27 : CPLString osLabelFile, osRasterFile, osOutFile;
900 27 : if( bAttachedLabelingMethod ) {
901 26 : osLabelFile = "";
902 26 : osRasterFile = pszFilename;
903 26 : osOutFile = osRasterFile;
904 : }
905 : else
906 : {
907 1 : CPLString sExtension = "cub";
908 1 : const char* pszExtension = CSLFetchNameValue( papszParmList, "IMAGE_EXTENSION" );
909 1 : if( pszExtension ){
910 1 : sExtension = pszExtension;
911 : }
912 :
913 1 : if( EQUAL(CPLGetExtension( pszFilename ), sExtension) )
914 : {
915 : CPLError( CE_Failure, CPLE_AppDefined,
916 : "IMAGE_EXTENSION (%s) cannot match LABEL file extension.",
917 0 : sExtension.c_str() );
918 0 : return NULL;
919 : }
920 :
921 1 : osLabelFile = pszFilename;
922 1 : osRasterFile = CPLResetExtension( osLabelFile, sExtension );
923 1 : osOutFile = osLabelFile;
924 : }
925 :
926 27 : const char *pszObject = CSLFetchNameValue( papszParmList, "OBJECT" );
927 27 : CPLString sObject = "QUBE"; // default choice
928 27 : if (pszObject) {
929 0 : if ( EQUAL( pszObject, "IMAGE") ){
930 0 : sObject = "IMAGE";
931 : }
932 0 : if ( EQUAL( pszObject, "SPECTRAL_QUBE")){
933 0 : sObject = "SPECTRAL_QUBE";
934 : }
935 : }
936 :
937 27 : GUIntBig iRecords = ISIS2Dataset::RecordSizeCalculation(nXSize, nYSize, nBands, eType);
938 27 : GUIntBig iLabelRecords(2);
939 :
940 27 : CPLDebug("ISIS2","irecord = %i",static_cast<int>(iRecords));
941 :
942 27 : if( bAttachedLabelingMethod )
943 : {
944 26 : ISIS2Dataset::WriteLabel(osRasterFile, "", sObject, nXSize, nYSize, nBands, eType, iRecords, pszInterleaving, iLabelRecords, true);
945 : }
946 : else
947 : {
948 1 : ISIS2Dataset::WriteLabel(osLabelFile, osRasterFile, sObject, nXSize, nYSize, nBands, eType, iRecords, pszInterleaving, iLabelRecords);
949 : }
950 :
951 27 : if( !ISIS2Dataset::WriteRaster(osRasterFile, bAttachedLabelingMethod,
952 : iRecords, iLabelRecords, eType,
953 : pszInterleaving) )
954 2 : return NULL;
955 :
956 25 : return (GDALDataset *) GDALOpen( osOutFile, GA_Update );
957 : }
958 :
959 :
960 : /************************************************************************/
961 : /* WriteRaster() */
962 : /************************************************************************/
963 :
964 27 : int ISIS2Dataset::WriteRaster(CPLString osFilename, bool includeLabel, GUIntBig iRecords, GUIntBig iLabelRecords, GDALDataType eType, const char * pszInterleaving) {
965 : GUIntBig nSize;
966 27 : GByte byZero(0);
967 27 : CPLString pszAccess("wb");
968 27 : if(includeLabel)
969 26 : pszAccess = "ab";
970 :
971 27 : VSILFILE *fpBin = VSIFOpenL( osFilename, pszAccess.c_str() );
972 27 : if( fpBin == NULL ) {
973 : CPLError( CE_Failure, CPLE_FileIO,
974 : "Failed to create %s:\n%s",
975 2 : osFilename.c_str(), VSIStrerror( errno ) );
976 2 : return FALSE;
977 : }
978 :
979 25 : nSize = iRecords * RECORD_SIZE;
980 25 : CPLDebug("ISIS2","nSize = %i", static_cast<int>(nSize));
981 :
982 25 : if(includeLabel)
983 24 : nSize = iLabelRecords * RECORD_SIZE + nSize;
984 :
985 : // write last byte
986 25 : if(VSIFSeekL( fpBin, nSize-1, SEEK_SET ) != 0 ||
987 : VSIFWriteL( &byZero, 1, 1, fpBin ) != 1){
988 : CPLError( CE_Failure, CPLE_FileIO,
989 : "Failed to write %s:\n%s",
990 0 : osFilename.c_str(), VSIStrerror( errno ) );
991 0 : VSIFCloseL( fpBin );
992 0 : return FALSE;
993 : }
994 25 : VSIFCloseL( fpBin );
995 :
996 25 : return TRUE;
997 : }
998 :
999 : /************************************************************************/
1000 : /* RecordSizeCalculation() */
1001 : /************************************************************************/
1002 27 : GUIntBig ISIS2Dataset::RecordSizeCalculation(unsigned int nXSize, unsigned int nYSize, unsigned int nBands, GDALDataType eType )
1003 :
1004 : {
1005 27 : GUIntBig n = nXSize * nYSize * nBands * ( GDALGetDataTypeSize(eType) / 8);
1006 : // size of pds file is a multiple of RECORD_SIZE Bytes.
1007 27 : CPLDebug("ISIS2","n = %i", static_cast<int>(n));
1008 27 : CPLDebug("ISIS2","RECORD SIZE = %i", RECORD_SIZE);
1009 27 : CPLDebug("ISIS2","nXSize = %i", nXSize);
1010 27 : CPLDebug("ISIS2","nYSize = %i", nYSize);
1011 27 : CPLDebug("ISIS2","nBands = %i", nBands);
1012 27 : CPLDebug("ISIS2","DataTypeSize = %i", GDALGetDataTypeSize(eType));
1013 27 : return (GUIntBig) ceil(static_cast<float>(n)/RECORD_SIZE);
1014 : }
1015 :
1016 : /************************************************************************/
1017 : /* WriteQUBE_Information() */
1018 : /************************************************************************/
1019 :
1020 25 : int ISIS2Dataset::WriteQUBE_Information(
1021 : VSILFILE *fpLabel, unsigned int iLevel, unsigned int & nWritingBytes,
1022 : unsigned int nXSize, unsigned int nYSize, unsigned int nBands,
1023 : GDALDataType eType, const char * pszInterleaving)
1024 :
1025 : {
1026 25 : nWritingBytes += ISIS2Dataset::WriteFormatting( fpLabel, "");
1027 50 : nWritingBytes += ISIS2Dataset::WriteFormatting( fpLabel, "/* Qube structure */");
1028 50 : nWritingBytes += ISIS2Dataset::WriteKeyword( fpLabel, iLevel, "OBJECT", "QUBE");
1029 25 : iLevel++;
1030 50 : nWritingBytes += ISIS2Dataset::WriteKeyword( fpLabel, iLevel, "AXES", "3");
1031 50 : nWritingBytes += ISIS2Dataset::WriteKeyword( fpLabel, iLevel, "AXIS_NAME", pszInterleaving);
1032 50 : nWritingBytes += ISIS2Dataset::WriteFormatting( fpLabel, "/* Core description */");
1033 :
1034 25 : CPLDebug("ISIS2","%d,%d,%d",nXSize,nYSize,nBands);
1035 :
1036 50 : nWritingBytes += ISIS2Dataset::WriteKeyword( fpLabel, iLevel, "CORE_ITEMS",CPLString().Printf("(%d,%d,%d)",nXSize,nYSize,nBands));
1037 50 : nWritingBytes += ISIS2Dataset::WriteKeyword( fpLabel, iLevel, "CORE_NAME", "\"RAW DATA NUMBER\"");
1038 50 : nWritingBytes += ISIS2Dataset::WriteKeyword( fpLabel, iLevel, "CORE_UNIT", "\"N/A\"");
1039 : // TODO change for eType
1040 :
1041 25 : if( eType == GDT_Byte )
1042 : {
1043 12 : nWritingBytes += ISIS2Dataset::WriteKeyword( fpLabel, iLevel, "CORE_ITEM_TYPE", "PC_UNSIGNED_INTEGER");
1044 24 : nWritingBytes += ISIS2Dataset::WriteKeyword( fpLabel, iLevel, "CORE_ITEM_BYTES", "1");
1045 : }
1046 13 : else if( eType == GDT_UInt16 )
1047 : {
1048 3 : nWritingBytes += ISIS2Dataset::WriteKeyword( fpLabel, iLevel, "CORE_ITEM_TYPE", "PC_UNSIGNED_INTEGER");
1049 6 : nWritingBytes += ISIS2Dataset::WriteKeyword( fpLabel, iLevel, "CORE_ITEM_BYTES", "2");
1050 : }
1051 10 : else if( eType == GDT_Int16 )
1052 : {
1053 3 : nWritingBytes += ISIS2Dataset::WriteKeyword( fpLabel, iLevel, "CORE_ITEM_TYPE", "PC_INTEGER");
1054 6 : nWritingBytes += ISIS2Dataset::WriteKeyword( fpLabel, iLevel, "CORE_ITEM_BYTES", "2");
1055 : }
1056 7 : else if( eType == GDT_Float32 )
1057 : {
1058 4 : nWritingBytes += ISIS2Dataset::WriteKeyword( fpLabel, iLevel, "CORE_ITEM_TYPE", "PC_REAL");
1059 8 : nWritingBytes += ISIS2Dataset::WriteKeyword( fpLabel, iLevel, "CORE_ITEM_BYTES", "4");
1060 : }
1061 3 : else if( eType == GDT_Float64 )
1062 : {
1063 3 : nWritingBytes += ISIS2Dataset::WriteKeyword( fpLabel, iLevel, "CORE_ITEM_TYPE", "PC_REAL");
1064 6 : nWritingBytes += ISIS2Dataset::WriteKeyword( fpLabel, iLevel, "CORE_ITEM_BYTES", "8");
1065 : }
1066 :
1067 : // TODO add core null value
1068 :
1069 25 : nWritingBytes += ISIS2Dataset::WriteKeyword( fpLabel, iLevel, "CORE_BASE", "0.0");
1070 50 : nWritingBytes += ISIS2Dataset::WriteKeyword( fpLabel, iLevel, "CORE_MULTIPLIER", "1.0");
1071 50 : nWritingBytes += ISIS2Dataset::WriteFormatting( fpLabel, "/* Suffix description */");
1072 50 : nWritingBytes += ISIS2Dataset::WriteKeyword( fpLabel, iLevel, "SUFFIX_BYTES", "4");
1073 50 : nWritingBytes += ISIS2Dataset::WriteKeyword( fpLabel, iLevel, "SUFFIX_ITEMS", "( 0, 0, 0)");
1074 25 : iLevel--;
1075 50 : nWritingBytes += ISIS2Dataset::WriteKeyword( fpLabel, iLevel, "END_OBJECT", "QUBE");
1076 :
1077 25 : return TRUE;
1078 : }
1079 :
1080 : /************************************************************************/
1081 : /* WriteLabel() */
1082 : /* */
1083 : /* osRasterFile : name of raster file but if it is empty we */
1084 : /* have only one file with an attached label */
1085 : /* sObjectTag : QUBE, IMAGE or SPECTRAL_QUBE */
1086 : /* bRelaunch : flag to allow recursiv call */
1087 : /************************************************************************/
1088 :
1089 27 : int ISIS2Dataset::WriteLabel(
1090 : CPLString osFilename, CPLString osRasterFile, CPLString sObjectTag,
1091 : unsigned int nXSize, unsigned int nYSize, unsigned int nBands,
1092 : GDALDataType eType,
1093 : GUIntBig iRecords, const char * pszInterleaving,
1094 : GUIntBig &iLabelRecords, bool bRelaunch)
1095 :
1096 : {
1097 27 : CPLDebug("ISIS2", "Write Label filename = %s, rasterfile = %s",osFilename.c_str(),osRasterFile.c_str());
1098 27 : bool bAttachedLabel = EQUAL(osRasterFile, "");
1099 :
1100 27 : VSILFILE *fpLabel = VSIFOpenL( osFilename, "w" );
1101 :
1102 27 : if( fpLabel == NULL ){
1103 : CPLError( CE_Failure, CPLE_FileIO,
1104 : "Failed to create %s:\n%s",
1105 2 : osFilename.c_str(), VSIStrerror( errno ) );
1106 2 : return FALSE;
1107 : }
1108 :
1109 25 : unsigned int iLevel(0);
1110 25 : unsigned int nWritingBytes(0);
1111 :
1112 : /* write common header */
1113 25 : nWritingBytes += ISIS2Dataset::WriteKeyword( fpLabel, iLevel, "PDS_VERSION_ID", "PDS3" );
1114 50 : nWritingBytes += ISIS2Dataset::WriteFormatting( fpLabel, "");
1115 50 : nWritingBytes += ISIS2Dataset::WriteFormatting( fpLabel, "/* File identification and structure */");
1116 50 : nWritingBytes += ISIS2Dataset::WriteKeyword( fpLabel, iLevel, "RECORD_TYPE", "FIXED_LENGTH" );
1117 50 : nWritingBytes += ISIS2Dataset::WriteKeyword( fpLabel, iLevel, "RECORD_BYTES", CPLString().Printf("%d",RECORD_SIZE));
1118 50 : nWritingBytes += ISIS2Dataset::WriteKeyword( fpLabel, iLevel, "FILE_RECORDS", CPLString().Printf(CPL_FRMT_GUIB,iRecords));
1119 50 : nWritingBytes += ISIS2Dataset::WriteKeyword( fpLabel, iLevel, "LABEL_RECORDS", CPLString().Printf(CPL_FRMT_GUIB,iLabelRecords));
1120 25 : if(!bAttachedLabel){
1121 1 : nWritingBytes += ISIS2Dataset::WriteKeyword( fpLabel, iLevel, "FILE_NAME", CPLGetFilename(osRasterFile));
1122 : }
1123 25 : nWritingBytes += ISIS2Dataset::WriteFormatting( fpLabel, "");
1124 :
1125 50 : nWritingBytes += ISIS2Dataset::WriteFormatting( fpLabel, "/* Pointers to Data Objects */");
1126 :
1127 25 : if(bAttachedLabel){
1128 24 : nWritingBytes += ISIS2Dataset::WriteKeyword( fpLabel, iLevel, CPLString().Printf("^%s",sObjectTag.c_str()), CPLString().Printf(CPL_FRMT_GUIB,iLabelRecords+1));
1129 : }else{
1130 1 : nWritingBytes += ISIS2Dataset::WriteKeyword( fpLabel, iLevel, CPLString().Printf("^%s",sObjectTag.c_str()), CPLString().Printf("(\"%s\",1)",CPLGetFilename(osRasterFile)));
1131 : }
1132 :
1133 25 : if(EQUAL(sObjectTag, "QUBE")){
1134 25 : ISIS2Dataset::WriteQUBE_Information(fpLabel, iLevel, nWritingBytes, nXSize, nYSize, nBands, eType, pszInterleaving);
1135 : }
1136 :
1137 25 : nWritingBytes += ISIS2Dataset::WriteFormatting( fpLabel, "END");
1138 :
1139 : // check if file record is correct
1140 25 : unsigned int q = nWritingBytes/RECORD_SIZE;
1141 25 : if( q <= iLabelRecords){
1142 : // correct we add space after the label end for complete from iLabelRecords
1143 25 : unsigned int nSpaceBytesToWrite = (unsigned int) (iLabelRecords * RECORD_SIZE - nWritingBytes);
1144 25 : VSIFPrintfL(fpLabel,"%*c", nSpaceBytesToWrite, ' ');
1145 : }else{
1146 0 : iLabelRecords = q+1;
1147 0 : ISIS2Dataset::WriteLabel(osFilename, osRasterFile, sObjectTag, nXSize, nYSize, nBands, eType, iRecords, pszInterleaving, iLabelRecords);
1148 : }
1149 25 : VSIFCloseL( fpLabel );
1150 :
1151 25 : return TRUE;
1152 : }
1153 :
1154 : /************************************************************************/
1155 : /* WriteKeyword() */
1156 : /************************************************************************/
1157 :
1158 476 : unsigned int ISIS2Dataset::WriteKeyword(
1159 : VSILFILE *fpLabel, unsigned int iLevel, CPLString key, CPLString value)
1160 :
1161 : {
1162 476 : CPLString tab = "";
1163 476 : iLevel *= 4; // each struct is idented by 4 spaces
1164 476 : int ret = VSIFPrintfL(fpLabel,"%*s%s=%s\n", iLevel, tab.c_str(), key.c_str(), value.c_str());
1165 476 : return ret;
1166 : }
1167 :
1168 : /************************************************************************/
1169 : /* WriteFormatting() */
1170 : /************************************************************************/
1171 :
1172 225 : unsigned int ISIS2Dataset::WriteFormatting(VSILFILE *fpLabel, CPLString data)
1173 :
1174 : {
1175 225 : int ret = VSIFPrintfL(fpLabel,"%s\n", data.c_str());
1176 225 : return ret;
1177 : }
1178 :
1179 : /************************************************************************/
1180 : /* GDALRegister_ISIS2() */
1181 : /************************************************************************/
1182 :
1183 558 : void GDALRegister_ISIS2()
1184 :
1185 : {
1186 : GDALDriver *poDriver;
1187 :
1188 558 : if( GDALGetDriverByName( "ISIS2" ) == NULL )
1189 : {
1190 537 : poDriver = new GDALDriver();
1191 :
1192 537 : poDriver->SetDescription( "ISIS2" );
1193 : poDriver->SetMetadataItem( GDAL_DMD_LONGNAME,
1194 537 : "USGS Astrogeology ISIS cube (Version 2)" );
1195 537 : poDriver->SetMetadataItem( GDAL_DMD_HELPTOPIC, "frmt_isis2.html" );
1196 537 : poDriver->SetMetadataItem( GDAL_DCAP_VIRTUALIO, "YES" );
1197 537 : poDriver->SetMetadataItem( GDAL_DMD_CREATIONDATATYPES, "Byte Int16 UInt16 Float32 Float64");
1198 :
1199 : poDriver->SetMetadataItem( GDAL_DMD_CREATIONOPTIONLIST,
1200 : "<CreationOptionList>\n"
1201 : " <Option name='LABELING_METHOD' type='string-select' default='ATTACHED'>\n"
1202 : " <Value>ATTACHED</Value>"
1203 : " <Value>DETACHED</Value>"
1204 : " </Option>"
1205 : " <Option name='IMAGE_EXTENSION' type='string' default='cub'/>\n"
1206 537 : "</CreationOptionList>\n" );
1207 :
1208 537 : poDriver->pfnIdentify = ISIS2Dataset::Identify;
1209 537 : poDriver->pfnOpen = ISIS2Dataset::Open;
1210 537 : poDriver->pfnCreate = ISIS2Dataset::Create;
1211 :
1212 537 : GetGDALDriverManager()->RegisterDriver( poDriver );
1213 : }
1214 558 : }
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