Line data Source code
1 : /******************************************************************************
2 : *
3 : * Project: DRDC Ottawa GEOINT
4 : * Purpose: Radarsat Constellation Mission - XML Products (product.xml) driver
5 : * Author: Roberto Caron, MDA
6 : * on behalf of DRDC Ottawa
7 : *
8 : ******************************************************************************
9 : * Copyright (c) 2020, DRDC Ottawa
10 : *
11 : * Based on the RS2 Dataset Class
12 : *
13 : * SPDX-License-Identifier: MIT
14 : ****************************************************************************/
15 :
16 : #include <time.h>
17 : #include <stdio.h>
18 : #include <sstream>
19 :
20 : #include "cpl_minixml.h"
21 : #include "gdal_frmts.h"
22 : #include "gdal_pam.h"
23 : #include "ogr_spatialref.h"
24 : #include "rcmdataset.h"
25 : #include "rcmdrivercore.h"
26 :
27 : #include <limits>
28 :
29 : constexpr int max_space_for_string = 32;
30 :
31 : /* RCM has a special folder that contains all LUT, Incidence Angle and Noise
32 : * Level files */
33 : constexpr const char *CALIBRATION_FOLDER = "calibration";
34 :
35 : /*** Function to format calibration for unique identification for Layer Name
36 : * ***/
37 : /*
38 : * RCM_CALIB : { SIGMA0 | GAMMA0 | BETA0 | UNCALIB } : product.xml full path
39 : */
40 56 : inline CPLString FormatCalibration(const char *pszCalibName,
41 : const char *pszFilename)
42 : {
43 56 : CPLString ptr;
44 :
45 : // Always begin by the layer calibration name
46 56 : ptr.append(szLayerCalibration);
47 :
48 : // A separator is needed before concat calibration name
49 56 : ptr += chLayerSeparator;
50 : // Add calibration name
51 56 : ptr.append(pszCalibName);
52 :
53 : // A separator is needed before concat full filename name
54 56 : ptr += chLayerSeparator;
55 : // Add full filename name
56 56 : ptr.append(pszFilename);
57 :
58 : /* return calibration format */
59 56 : return ptr;
60 : }
61 :
62 : /*** Function to test for valid LUT files ***/
63 72 : static bool IsValidXMLFile(const char *pszPath)
64 : {
65 : /* Return true for valid xml file, false otherwise */
66 72 : CPLXMLTreeCloser psLut(CPLParseXMLFile(pszPath));
67 :
68 72 : if (psLut.get() == nullptr)
69 : {
70 0 : CPLError(CE_Failure, CPLE_OpenFailed,
71 : "ERROR: Failed to open the LUT file %s", pszPath);
72 : }
73 :
74 144 : return psLut.get() != nullptr;
75 : }
76 :
77 14 : static double *InterpolateValues(CSLConstList papszList, int tableSize,
78 : int stepSize, int numberOfValues,
79 : int pixelFirstLutValue)
80 : {
81 : /* Allocate the right LUT size according to the product range pixel */
82 : double *table =
83 14 : static_cast<double *>(VSI_CALLOC_VERBOSE(sizeof(double), tableSize));
84 14 : if (!table)
85 0 : return nullptr;
86 :
87 14 : if (stepSize <= 0)
88 : {
89 : /* When negative, the range of pixel is calculated from the opposite
90 : * starting from the end of gains array */
91 : /* Just step the range with positive value */
92 14 : const int positiveStepSize = abs(stepSize);
93 :
94 14 : int k = 0;
95 :
96 14 : if (positiveStepSize == 1)
97 : {
98 : // Be fast and just copy the values because all gain values
99 : // represent all image wide pixel
100 : /* Start at the end position and store in the opposite */
101 0 : for (int i = pixelFirstLutValue; i >= 0; i--)
102 : {
103 0 : const double value = CPLAtof(papszList[i]);
104 0 : table[k++] = value;
105 : }
106 : }
107 : else
108 : {
109 :
110 : /* Interpolation between 2 numbers */
111 422 : for (int i = numberOfValues - 1; i >= 0; i--)
112 : {
113 : // We will consider the same value to cover the case that we
114 : // will hit the last pixel
115 408 : double valueFrom = CPLAtof(papszList[i]);
116 408 : double valueTo = valueFrom;
117 :
118 408 : if (i > 0)
119 : {
120 : // We have room to pick the previous number to interpolate
121 : // with
122 394 : valueTo = CPLAtof(papszList[i - 1]);
123 : }
124 :
125 : // If the valueFrom minus ValueTo equal 0, it means to finish
126 : // off with the same number until the end of the table size
127 408 : double interp = (valueTo - valueFrom) / positiveStepSize;
128 :
129 : // Always begin with the value FROM found
130 408 : table[k++] = valueFrom;
131 :
132 : // Then add interpolation, don't forget. The stepSize is
133 : // actually counting our valueFrom number thus we add
134 : // interpolation until the last step - 1
135 116341 : for (int j = 0; j < positiveStepSize - 1; j++)
136 : {
137 115933 : valueFrom += interp;
138 115933 : table[k++] = valueFrom;
139 : }
140 : }
141 : }
142 : }
143 : else
144 : {
145 : /* When positive, the range of pixel is calculated from the beginning of
146 : * gains array */
147 0 : if (stepSize == 1)
148 : {
149 : // Be fast and just copy the values because all gain values
150 : // represent all image wide pixel
151 0 : for (int i = 0; i < numberOfValues; i++)
152 : {
153 0 : const double value = CPLAtof(papszList[i]);
154 0 : table[i] = value;
155 : }
156 : }
157 : else
158 : {
159 : /* Interpolation between 2 numbers */
160 0 : int k = 0;
161 0 : for (int i = 0; i < numberOfValues; i++)
162 : {
163 : // We will consider the same value to cover the case that we
164 : // will hit the last pixel
165 0 : double valueFrom = CPLAtof(papszList[i]);
166 0 : double valueTo = valueFrom;
167 :
168 0 : if (i < (numberOfValues)-1)
169 : {
170 : // We have room to pick the next number to interpolate with
171 0 : valueTo = CPLAtof(papszList[i + 1]);
172 : }
173 :
174 : // If the valueFrom minus ValueTo equal 0, it means to finish
175 : // off with the same number until the end of the table size
176 0 : double interp = (valueTo - valueFrom) / stepSize;
177 :
178 : // Always begin with the value FROM found
179 0 : table[k++] = valueFrom;
180 :
181 : // Then add interpolation, don't forget. The stepSize is
182 : // actually counting our valueFrom number thus we add
183 : // interpolation until the last step - 1
184 0 : for (int j = 0; j < stepSize - 1; j++)
185 : {
186 0 : valueFrom += interp;
187 0 : table[k++] = valueFrom;
188 : }
189 : }
190 : }
191 : }
192 :
193 14 : return table;
194 : }
195 :
196 : /*** check that the referenced dataset for each band has the
197 : correct data type and returns whether a 2 band I+Q dataset should
198 : be mapped onto a single complex band.
199 : Returns BANDERROR for error, STRAIGHT for 1:1 mapping, TWOBANDCOMPLEX for 2
200 : bands -> 1 complex band
201 : */
202 : typedef enum
203 : {
204 : BANDERROR,
205 : STRAIGHT,
206 : TWOBANDCOMPLEX
207 : } BandMappingRCM;
208 :
209 16 : static BandMappingRCM checkBandFileMappingRCM(GDALDataType dataType,
210 : GDALDataset *poBandFile,
211 : bool isNITF)
212 : {
213 :
214 16 : GDALRasterBand *band1 = poBandFile->GetRasterBand(1);
215 16 : GDALDataType bandfileType = band1->GetRasterDataType();
216 : // if there is one band and it has the same datatype, the band file gets
217 : // passed straight through
218 16 : if ((poBandFile->GetRasterCount() == 1 ||
219 16 : poBandFile->GetRasterCount() == 4) &&
220 : dataType == bandfileType)
221 16 : return STRAIGHT;
222 :
223 : // if the band file has 2 bands, they should represent I+Q
224 : // and be a compatible data type
225 0 : if (poBandFile->GetRasterCount() == 2 && GDALDataTypeIsComplex(dataType))
226 : {
227 0 : GDALRasterBand *band2 = poBandFile->GetRasterBand(2);
228 :
229 0 : if (bandfileType != band2->GetRasterDataType())
230 0 : return BANDERROR; // both bands must be same datatype
231 :
232 : // check compatible types - there are 4 complex types in GDAL
233 0 : if ((dataType == GDT_CInt16 && bandfileType == GDT_Int16) ||
234 0 : (dataType == GDT_CInt32 && bandfileType == GDT_Int32) ||
235 0 : (dataType == GDT_CFloat32 && bandfileType == GDT_Float32) ||
236 0 : (dataType == GDT_CFloat64 && bandfileType == GDT_Float64))
237 0 : return TWOBANDCOMPLEX;
238 :
239 0 : if ((dataType == GDT_CInt16 && bandfileType == GDT_CInt16) ||
240 0 : (dataType == GDT_CInt32 && bandfileType == GDT_CInt32) ||
241 0 : (dataType == GDT_CFloat32 && bandfileType == GDT_CFloat32) ||
242 0 : (dataType == GDT_CFloat64 && bandfileType == GDT_CFloat64))
243 0 : return TWOBANDCOMPLEX;
244 : }
245 :
246 0 : if (isNITF)
247 : {
248 0 : return STRAIGHT;
249 : }
250 :
251 0 : return BANDERROR; // don't accept any other combinations
252 : }
253 :
254 : /************************************************************************/
255 : /* RCMRasterBand */
256 : /************************************************************************/
257 :
258 10 : RCMRasterBand::RCMRasterBand(RCMDataset *poDSIn, int nBandIn,
259 : GDALDataType eDataTypeIn, const char *pszPole,
260 : GDALDataset *poBandFileIn, bool bTwoBandComplex,
261 10 : bool isOneFilePerPolIn, bool isNITFIn)
262 : : poBandFile(poBandFileIn), poRCMDataset(poDSIn),
263 : twoBandComplex(bTwoBandComplex), isOneFilePerPol(isOneFilePerPolIn),
264 10 : isNITF(isNITFIn)
265 : {
266 10 : poDS = poDSIn;
267 10 : this->nBand = nBandIn;
268 10 : eDataType = eDataTypeIn;
269 :
270 : /*Check image type, whether there is one file per polarization or
271 : *one file containing all polarizations*/
272 10 : if (this->isOneFilePerPol)
273 : {
274 10 : poBand = poBandFile->GetRasterBand(1);
275 : }
276 : else
277 : {
278 0 : poBand = poBandFile->GetRasterBand(this->nBand);
279 : }
280 :
281 10 : poBand->GetBlockSize(&nBlockXSize, &nBlockYSize);
282 :
283 10 : if (pszPole != nullptr && strlen(pszPole) != 0)
284 : {
285 10 : SetMetadataItem("POLARIMETRIC_INTERP", pszPole);
286 : }
287 10 : }
288 :
289 : /************************************************************************/
290 : /* RCMRasterBand() */
291 : /************************************************************************/
292 :
293 20 : RCMRasterBand::~RCMRasterBand()
294 :
295 : {
296 10 : if (poBandFile != nullptr)
297 10 : GDALClose(reinterpret_cast<GDALRasterBandH>(poBandFile));
298 20 : }
299 :
300 : /************************************************************************/
301 : /* IReadBlock() */
302 : /************************************************************************/
303 :
304 13 : CPLErr RCMRasterBand::IReadBlock(int nBlockXOff, int nBlockYOff, void *pImage)
305 :
306 : {
307 13 : int nRequestXSize = 0;
308 13 : int nRequestYSize = 0;
309 13 : GetActualBlockSize(nBlockXOff, nBlockYOff, &nRequestXSize, &nRequestYSize);
310 :
311 : // Zero initial partial right-most and bottom-most blocks
312 13 : if (nRequestXSize < nBlockXSize || nRequestYSize < nBlockYSize)
313 : {
314 1 : memset(pImage, 0,
315 1 : static_cast<size_t>(GDALGetDataTypeSizeBytes(eDataType)) *
316 1 : nBlockXSize * nBlockYSize);
317 : }
318 :
319 13 : int dataTypeSize = GDALGetDataTypeSizeBytes(eDataType);
320 : GDALDataType bandFileType =
321 13 : poBandFile->GetRasterBand(1)->GetRasterDataType();
322 13 : int bandFileSize = GDALGetDataTypeSizeBytes(bandFileType);
323 :
324 : // case: 2 bands representing I+Q -> one complex band
325 13 : if (twoBandComplex && !this->isNITF)
326 : {
327 : // int bandFileSize = GDALGetDataTypeSizeBytes(bandFileType);
328 : // this data type is the complex version of the band file
329 : // Roberto: don't check that for the moment: CPLAssert(dataTypeSize ==
330 : // bandFileSize * 2);
331 :
332 : return
333 : // I and Q from each band are pixel-interleaved into this complex
334 : // band
335 0 : poBandFile->RasterIO(
336 0 : GF_Read, nBlockXOff * nBlockXSize, nBlockYOff * nBlockYSize,
337 : nRequestXSize, nRequestYSize, pImage, nRequestXSize,
338 : nRequestYSize, bandFileType, 2, nullptr, dataTypeSize,
339 0 : static_cast<GSpacing>(dataTypeSize) * nBlockXSize, bandFileSize,
340 0 : nullptr);
341 : }
342 13 : else if (twoBandComplex && this->isNITF)
343 : {
344 0 : return poBand->RasterIO(
345 0 : GF_Read, nBlockXOff * nBlockXSize, nBlockYOff * nBlockYSize,
346 : nRequestXSize, nRequestYSize, pImage, nRequestXSize, nRequestYSize,
347 0 : eDataType, 0, static_cast<GSpacing>(dataTypeSize) * nBlockXSize,
348 0 : nullptr);
349 : }
350 :
351 13 : if (poRCMDataset->IsComplexData())
352 : {
353 : // this data type is the complex version of the band file
354 : // Roberto: don't check that for the moment: CPLAssert(dataTypeSize ==
355 : // bandFileSize * 2);
356 : return
357 : // I and Q from each band are pixel-interleaved into this complex
358 : // band
359 0 : poBandFile->RasterIO(
360 0 : GF_Read, nBlockXOff * nBlockXSize, nBlockYOff * nBlockYSize,
361 : nRequestXSize, nRequestYSize, pImage, nRequestXSize,
362 : nRequestYSize, bandFileType, 2, nullptr, dataTypeSize,
363 0 : static_cast<GSpacing>(dataTypeSize) * nBlockXSize, bandFileSize,
364 0 : nullptr);
365 : }
366 :
367 : // case: band file == this band
368 : // NOTE: if the underlying band is opened with the NITF driver, it may
369 : // combine 2 band I+Q -> complex band
370 13 : else if (poBandFile->GetRasterBand(1)->GetRasterDataType() == eDataType)
371 : {
372 26 : return poBand->RasterIO(
373 13 : GF_Read, nBlockXOff * nBlockXSize, nBlockYOff * nBlockYSize,
374 : nRequestXSize, nRequestYSize, pImage, nRequestXSize, nRequestYSize,
375 13 : eDataType, 0, static_cast<GSpacing>(dataTypeSize) * nBlockXSize,
376 13 : nullptr);
377 : }
378 : else
379 : {
380 0 : CPLAssert(FALSE);
381 : return CE_Failure;
382 : }
383 : }
384 :
385 : /************************************************************************/
386 : /* ReadLUT() */
387 : /************************************************************************/
388 : /* Read the provided LUT in to m_ndTable */
389 : /* 1. The gains list spans the range extent covered by all */
390 : /* beams(if applicable). */
391 : /* 2. The mapping between the entry of gains */
392 : /* list and the range sample index is : the range sample */
393 : /* index = gains entry index * stepSize + pixelFirstLutValue, */
394 : /* where the gains entry index starts with ‘0’.For ScanSAR SLC, */
395 : /* the range sample index refers to the index on the COPG */
396 : /************************************************************************/
397 6 : void RCMCalibRasterBand::ReadLUT()
398 : {
399 :
400 : char bandNumber[12];
401 6 : snprintf(bandNumber, sizeof(bandNumber), "%d", poDS->GetRasterCount() + 1);
402 :
403 6 : CPLXMLTreeCloser psLUT(CPLParseXMLFile(m_pszLUTFile));
404 6 : if (!psLUT)
405 0 : return;
406 :
407 6 : this->m_nfOffset =
408 6 : CPLAtof(CPLGetXMLValue(psLUT.get(), "=lut.offset", "0.0"));
409 :
410 6 : this->pixelFirstLutValue =
411 6 : atoi(CPLGetXMLValue(psLUT.get(), "=lut.pixelFirstLutValue", "0"));
412 :
413 6 : this->stepSize = atoi(CPLGetXMLValue(psLUT.get(), "=lut.stepSize", "0"));
414 :
415 6 : this->numberOfValues =
416 6 : atoi(CPLGetXMLValue(psLUT.get(), "=lut.numberOfValues", "0"));
417 :
418 6 : if (this->numberOfValues <= 0)
419 : {
420 0 : CPLError(
421 : CE_Failure, CPLE_NotSupported,
422 : "ERROR: The RCM driver does not support the LUT Number Of Values "
423 : "equal or lower than zero.");
424 0 : return;
425 : }
426 :
427 : const CPLStringList aosLUTList(
428 6 : CSLTokenizeString2(CPLGetXMLValue(psLUT.get(), "=lut.gains", ""), " ",
429 6 : CSLT_HONOURSTRINGS));
430 :
431 6 : if (this->stepSize <= 0)
432 : {
433 6 : if (this->pixelFirstLutValue <= 0)
434 : {
435 0 : CPLError(
436 : CE_Failure, CPLE_NotSupported,
437 : "ERROR: The RCM driver does not support LUT Pixel First Lut "
438 : "Value equal or lower than zero when the product is "
439 : "descending.");
440 0 : return;
441 : }
442 : }
443 :
444 : /* Get the Pixel Per range */
445 6 : if (this->stepSize == 0 || this->stepSize == INT_MIN ||
446 6 : this->numberOfValues == INT_MIN ||
447 6 : abs(this->stepSize) > INT_MAX / abs(this->numberOfValues))
448 : {
449 0 : CPLError(CE_Failure, CPLE_AppDefined,
450 : "Bad values of stepSize / numberOfValues");
451 0 : return;
452 : }
453 :
454 6 : this->m_nTableSize = abs(this->stepSize) * abs(this->numberOfValues);
455 :
456 6 : if (this->m_nTableSize < this->m_poBandDataset->GetRasterXSize())
457 : {
458 0 : CPLError(
459 : CE_Failure, CPLE_NotSupported,
460 : "ERROR: The RCM driver does not support range of LUT gain values "
461 : "lower than the full image pixel range.");
462 0 : return;
463 : }
464 :
465 : // Avoid excessive memory allocation
466 6 : if (this->m_nTableSize > 1000 * 1000)
467 : {
468 0 : CPLError(CE_Failure, CPLE_NotSupported, "Too many elements in LUT: %d",
469 : this->m_nTableSize);
470 0 : return;
471 : }
472 :
473 : /* Allocate the right LUT size according to the product range pixel */
474 6 : this->m_nfTable =
475 6 : InterpolateValues(aosLUTList.List(), this->m_nTableSize, this->stepSize,
476 : this->numberOfValues, this->pixelFirstLutValue);
477 6 : if (!this->m_nfTable)
478 0 : return;
479 :
480 : // 32 max + space
481 : char *lut_gains = static_cast<char *>(
482 6 : VSI_CALLOC_VERBOSE(this->m_nTableSize, max_space_for_string));
483 6 : if (!lut_gains)
484 0 : return;
485 :
486 107496 : for (int i = 0; i < this->m_nTableSize; i++)
487 : {
488 : char lut[max_space_for_string];
489 : // 6.123004711900930e+04 %e Scientific annotation
490 107490 : snprintf(lut, sizeof(lut), "%e ", this->m_nfTable[i]);
491 107490 : strcat(lut_gains, lut);
492 : }
493 :
494 6 : poDS->SetMetadataItem(CPLString("LUT_GAINS_").append(bandNumber).c_str(),
495 6 : lut_gains);
496 : // Can free this because the function SetMetadataItem takes a copy
497 6 : CPLFree(lut_gains);
498 :
499 : char snum[256];
500 6 : if (this->m_eCalib == eCalibration::Sigma0)
501 : {
502 2 : poDS->SetMetadataItem(CPLString("LUT_TYPE_").append(bandNumber).c_str(),
503 2 : "SIGMA0");
504 : }
505 4 : else if (this->m_eCalib == eCalibration::Beta0)
506 : {
507 2 : poDS->SetMetadataItem(CPLString("LUT_TYPE_").append(bandNumber).c_str(),
508 2 : "BETA0");
509 : }
510 2 : else if (this->m_eCalib == eCalibration::Gamma)
511 : {
512 2 : poDS->SetMetadataItem(CPLString("LUT_TYPE_").append(bandNumber).c_str(),
513 2 : "GAMMA");
514 : }
515 6 : snprintf(snum, sizeof(snum), "%d", this->m_nTableSize);
516 6 : poDS->SetMetadataItem(CPLString("LUT_SIZE_").append(bandNumber).c_str(),
517 6 : snum);
518 6 : snprintf(snum, sizeof(snum), "%f", this->m_nfOffset);
519 6 : poDS->SetMetadataItem(CPLString("LUT_OFFSET_").append(bandNumber).c_str(),
520 6 : snum);
521 : }
522 :
523 : /************************************************************************/
524 : /* ReadNoiseLevels() */
525 : /************************************************************************/
526 : /* Read the provided LUT in to m_nfTableNoiseLevels */
527 : /* 1. The gains list spans the range extent covered by all */
528 : /* beams(if applicable). */
529 : /* 2. The mapping between the entry of gains */
530 : /* list and the range sample index is : the range sample */
531 : /* index = gains entry index * stepSize + pixelFirstLutValue, */
532 : /* where the gains entry index starts with ‘0’.For ScanSAR SLC, */
533 : /* the range sample index refers to the index on the COPG */
534 : /************************************************************************/
535 6 : void RCMCalibRasterBand::ReadNoiseLevels()
536 : {
537 :
538 6 : this->m_nfTableNoiseLevels = nullptr;
539 :
540 6 : if (this->m_pszNoiseLevelsFile == nullptr)
541 : {
542 0 : return;
543 : }
544 :
545 : char bandNumber[12];
546 6 : snprintf(bandNumber, sizeof(bandNumber), "%d", poDS->GetRasterCount() + 1);
547 :
548 6 : CPLXMLTreeCloser psNoiseLevels(CPLParseXMLFile(this->m_pszNoiseLevelsFile));
549 6 : if (!psNoiseLevels)
550 0 : return;
551 :
552 : // Load Beta Nought, Sigma Nought, Gamma noise levels
553 : // Loop through all nodes with spaces
554 : CPLXMLNode *psReferenceNoiseLevelNode =
555 6 : CPLGetXMLNode(psNoiseLevels.get(), "=noiseLevels");
556 6 : if (!psReferenceNoiseLevelNode)
557 0 : return;
558 :
559 : CPLXMLNode *psNodeInc;
560 234 : for (psNodeInc = psReferenceNoiseLevelNode->psChild; psNodeInc != nullptr;
561 228 : psNodeInc = psNodeInc->psNext)
562 : {
563 228 : if (EQUAL(psNodeInc->pszValue, "referenceNoiseLevel"))
564 : {
565 : CPLXMLNode *psCalibType =
566 18 : CPLGetXMLNode(psNodeInc, "sarCalibrationType");
567 : CPLXMLNode *psPixelFirstNoiseValue =
568 18 : CPLGetXMLNode(psNodeInc, "pixelFirstNoiseValue");
569 18 : CPLXMLNode *psStepSize = CPLGetXMLNode(psNodeInc, "stepSize");
570 : CPLXMLNode *psNumberOfValues =
571 18 : CPLGetXMLNode(psNodeInc, "numberOfValues");
572 : CPLXMLNode *psNoiseLevelValues =
573 18 : CPLGetXMLNode(psNodeInc, "noiseLevelValues");
574 :
575 18 : if (psCalibType != nullptr && psPixelFirstNoiseValue != nullptr &&
576 18 : psStepSize != nullptr && psNumberOfValues != nullptr &&
577 : psNoiseLevelValues != nullptr)
578 : {
579 18 : const char *calibType = CPLGetXMLValue(psCalibType, "", "");
580 18 : this->pixelFirstLutValueNoiseLevels =
581 18 : atoi(CPLGetXMLValue(psPixelFirstNoiseValue, "", "0"));
582 18 : this->stepSizeNoiseLevels =
583 18 : atoi(CPLGetXMLValue(psStepSize, "", "0"));
584 18 : this->numberOfValuesNoiseLevels =
585 18 : atoi(CPLGetXMLValue(psNumberOfValues, "", "0"));
586 : const char *noiseLevelValues =
587 18 : CPLGetXMLValue(psNoiseLevelValues, "", "");
588 18 : if (this->stepSizeNoiseLevels > 0 &&
589 0 : this->numberOfValuesNoiseLevels != INT_MIN &&
590 0 : abs(this->numberOfValuesNoiseLevels) <
591 0 : INT_MAX / this->stepSizeNoiseLevels)
592 : {
593 0 : char **papszNoiseLevelList = CSLTokenizeString2(
594 : noiseLevelValues, " ", CSLT_HONOURSTRINGS);
595 : /* Get the Pixel Per range */
596 0 : this->m_nTableNoiseLevelsSize =
597 0 : abs(this->stepSizeNoiseLevels) *
598 0 : abs(this->numberOfValuesNoiseLevels);
599 :
600 0 : if ((EQUAL(calibType, "Beta Nought") &&
601 0 : this->m_eCalib == Beta0) ||
602 0 : (EQUAL(calibType, "Sigma Nought") &&
603 0 : this->m_eCalib == Sigma0) ||
604 0 : (EQUAL(calibType, "Gamma") && this->m_eCalib == Gamma))
605 : {
606 : /* Allocate the right Noise Levels size according to the
607 : * product range pixel */
608 0 : this->m_nfTableNoiseLevels = InterpolateValues(
609 : papszNoiseLevelList, this->m_nTableNoiseLevelsSize,
610 : this->stepSizeNoiseLevels,
611 : this->numberOfValuesNoiseLevels,
612 : this->pixelFirstLutValueNoiseLevels);
613 : }
614 :
615 0 : CSLDestroy(papszNoiseLevelList);
616 : }
617 :
618 18 : if (this->m_nfTableNoiseLevels != nullptr)
619 : {
620 0 : break; // We are done
621 : }
622 : }
623 : }
624 : }
625 : }
626 :
627 : /************************************************************************/
628 : /* RCMCalibRasterBand() */
629 : /************************************************************************/
630 :
631 6 : RCMCalibRasterBand::RCMCalibRasterBand(
632 : RCMDataset *poDataset, const char *pszPolarization, GDALDataType eType,
633 : GDALDataset *poBandDataset, eCalibration eCalib, const char *pszLUT,
634 6 : const char *pszNoiseLevels, GDALDataType eOriginalType)
635 : : m_eCalib(eCalib), m_poBandDataset(poBandDataset),
636 12 : m_eOriginalType(eOriginalType), m_pszLUTFile(VSIStrdup(pszLUT)),
637 6 : m_pszNoiseLevelsFile(VSIStrdup(pszNoiseLevels))
638 : {
639 6 : this->poDS = poDataset;
640 :
641 6 : if (pszPolarization != nullptr && strlen(pszPolarization) != 0)
642 : {
643 6 : SetMetadataItem("POLARIMETRIC_INTERP", pszPolarization);
644 : }
645 :
646 6 : if ((eType == GDT_CInt16) || (eType == GDT_CFloat32))
647 0 : this->eDataType = GDT_CFloat32;
648 : else
649 6 : this->eDataType = GDT_Float32;
650 :
651 6 : GDALRasterBand *poRasterBand = poBandDataset->GetRasterBand(1);
652 6 : poRasterBand->GetBlockSize(&nBlockXSize, &nBlockYSize);
653 :
654 6 : ReadLUT();
655 6 : ReadNoiseLevels();
656 6 : }
657 :
658 : /************************************************************************/
659 : /* ~RCMCalibRasterBand() */
660 : /************************************************************************/
661 :
662 12 : RCMCalibRasterBand::~RCMCalibRasterBand()
663 : {
664 6 : CPLFree(m_nfTable);
665 6 : CPLFree(m_nfTableNoiseLevels);
666 6 : CPLFree(m_pszLUTFile);
667 6 : CPLFree(m_pszNoiseLevelsFile);
668 6 : GDALClose(m_poBandDataset);
669 12 : }
670 :
671 : /************************************************************************/
672 : /* IReadBlock() */
673 : /************************************************************************/
674 :
675 0 : CPLErr RCMCalibRasterBand::IReadBlock(int nBlockXOff, int nBlockYOff,
676 : void *pImage)
677 : {
678 : CPLErr eErr;
679 0 : int nRequestXSize = 0;
680 0 : int nRequestYSize = 0;
681 0 : GetActualBlockSize(nBlockXOff, nBlockYOff, &nRequestXSize, &nRequestYSize);
682 :
683 : // Zero initial partial right-most and bottom-most blocks
684 0 : if (nRequestXSize < nBlockXSize || nRequestYSize < nBlockYSize)
685 : {
686 0 : memset(pImage, 0,
687 0 : static_cast<size_t>(GDALGetDataTypeSizeBytes(eDataType)) *
688 0 : nBlockXSize * nBlockYSize);
689 : }
690 :
691 0 : if (this->m_eOriginalType == GDT_CInt16)
692 : {
693 : /* read in complex values */
694 : GInt16 *panImageTmp = static_cast<GInt16 *>(
695 0 : VSI_MALLOC3_VERBOSE(nBlockXSize, nBlockYSize,
696 : GDALGetDataTypeSizeBytes(m_eOriginalType)));
697 0 : if (!panImageTmp)
698 0 : return CE_Failure;
699 :
700 0 : if (m_poBandDataset->GetRasterCount() == 2)
701 : {
702 0 : eErr = m_poBandDataset->RasterIO(
703 0 : GF_Read, nBlockXOff * nBlockXSize, nBlockYOff * nBlockYSize,
704 : nRequestXSize, nRequestYSize, panImageTmp, nRequestXSize,
705 : nRequestYSize, this->m_eOriginalType, 2, nullptr, 4,
706 0 : nBlockXSize * 4, 4, nullptr);
707 :
708 : /*
709 : eErr = m_poBandDataset->RasterIO(GF_Read,
710 : nBlockXOff * nBlockXSize,
711 : nBlockYOff * nBlockYSize,
712 : nRequestXSize, nRequestYSize,
713 : panImageTmp, nRequestXSize, nRequestYSize,
714 : GDT_Int32,
715 : 2, nullptr, 4, nBlockXSize * 4, 2, nullptr);
716 : */
717 : }
718 : else
719 : {
720 0 : eErr = m_poBandDataset->RasterIO(
721 0 : GF_Read, nBlockXOff * nBlockXSize, nBlockYOff * nBlockYSize,
722 : nRequestXSize, nRequestYSize, panImageTmp, nRequestXSize,
723 : nRequestYSize, this->m_eOriginalType, 1, nullptr, 4,
724 0 : nBlockXSize * 4, 0, nullptr);
725 :
726 : /*
727 : eErr =
728 : m_poBandDataset->RasterIO(GF_Read,
729 : nBlockXOff * nBlockXSize,
730 : nBlockYOff * nBlockYSize,
731 : nRequestXSize, nRequestYSize,
732 : panImageTmp, nRequestXSize, nRequestYSize,
733 : GDT_UInt32,
734 : 1, nullptr, 4, nBlockXSize * 4, 0, nullptr);
735 : */
736 :
737 : #ifdef CPL_LSB
738 : /* First, undo the 32bit swap. */
739 0 : GDALSwapWords(pImage, 4, nBlockXSize * nBlockYSize, 4);
740 :
741 : /* Then apply 16 bit swap. */
742 0 : GDALSwapWords(pImage, 2, nBlockXSize * nBlockYSize * 2, 2);
743 : #endif
744 : }
745 :
746 : /* calibrate the complex values */
747 0 : for (int i = 0; i < nRequestYSize; i++)
748 : {
749 0 : for (int j = 0; j < nRequestXSize; j++)
750 : {
751 : /* calculate pixel offset in memory*/
752 0 : const int nPixOff = 2 * (i * nBlockXSize + j);
753 0 : const int nTruePixOff = (i * nBlockXSize) + j;
754 :
755 : // Formula for Complex Q+J
756 0 : const float real = static_cast<float>(panImageTmp[nPixOff]);
757 0 : const float img = static_cast<float>(panImageTmp[nPixOff + 1]);
758 0 : const float digitalValue = (real * real) + (img * img);
759 0 : const float lutValue =
760 0 : static_cast<float>(m_nfTable[nBlockXOff * nBlockXSize + j]);
761 0 : const float calibValue = digitalValue / (lutValue * lutValue);
762 :
763 0 : reinterpret_cast<float *>(pImage)[nTruePixOff] = calibValue;
764 : }
765 : }
766 :
767 0 : CPLFree(panImageTmp);
768 : }
769 :
770 : // If the underlying file is NITF CFloat32
771 0 : else if (this->m_eOriginalType == GDT_CFloat32 ||
772 0 : this->m_eOriginalType == GDT_CFloat64)
773 : {
774 : /* read in complex values */
775 : const int dataTypeSize =
776 0 : GDALGetDataTypeSizeBytes(this->m_eOriginalType);
777 0 : const GDALDataType bandFileType = this->m_eOriginalType;
778 0 : const int bandFileDataTypeSize = GDALGetDataTypeSizeBytes(bandFileType);
779 :
780 : /* read the original image complex values in a temporary image space */
781 0 : float *pafImageTmp = static_cast<float *>(VSI_MALLOC3_VERBOSE(
782 : nBlockXSize, nBlockYSize, 2 * bandFileDataTypeSize));
783 0 : if (!pafImageTmp)
784 0 : return CE_Failure;
785 :
786 : eErr =
787 : // I and Q from each band are pixel-interleaved into this complex
788 : // band
789 0 : m_poBandDataset->RasterIO(
790 0 : GF_Read, nBlockXOff * nBlockXSize, nBlockYOff * nBlockYSize,
791 : nRequestXSize, nRequestYSize, pafImageTmp, nRequestXSize,
792 : nRequestYSize, bandFileType, 2, nullptr, dataTypeSize,
793 0 : static_cast<GSpacing>(dataTypeSize) * nBlockXSize,
794 : bandFileDataTypeSize, nullptr);
795 :
796 : /* calibrate the complex values */
797 0 : for (int i = 0; i < nRequestYSize; i++)
798 : {
799 0 : for (int j = 0; j < nRequestXSize; j++)
800 : {
801 : /* calculate pixel offset in memory*/
802 0 : const int nPixOff = 2 * (i * nBlockXSize + j);
803 0 : const int nTruePixOff = (i * nBlockXSize) + j;
804 :
805 : // Formula for Complex Q+J
806 0 : const float real = pafImageTmp[nPixOff];
807 0 : const float img = pafImageTmp[nPixOff + 1];
808 0 : const float digitalValue = (real * real) + (img * img);
809 0 : const float lutValue =
810 0 : static_cast<float>(m_nfTable[nBlockXOff * nBlockXSize + j]);
811 0 : const float calibValue = digitalValue / (lutValue * lutValue);
812 :
813 0 : reinterpret_cast<float *>(pImage)[nTruePixOff] = calibValue;
814 : }
815 : }
816 :
817 0 : CPLFree(pafImageTmp);
818 : }
819 :
820 0 : else if (this->m_eOriginalType == GDT_Float32)
821 : {
822 : /* A Float32 is actual 4 bytes */
823 0 : eErr = m_poBandDataset->RasterIO(
824 0 : GF_Read, nBlockXOff * nBlockXSize, nBlockYOff * nBlockYSize,
825 : nRequestXSize, nRequestYSize, pImage, nRequestXSize, nRequestYSize,
826 0 : GDT_Float32, 1, nullptr, 4, nBlockXSize * 4, 0, nullptr);
827 :
828 : /* iterate over detected values */
829 0 : for (int i = 0; i < nRequestYSize; i++)
830 : {
831 0 : for (int j = 0; j < nRequestXSize; j++)
832 : {
833 0 : int nPixOff = (i * nBlockXSize) + j;
834 :
835 : /* For detected products, in order to convert the digital number
836 : of a given range sample to a calibrated value, the digital value
837 : is first squared, then the offset(B) is added and the result is
838 : divided by the gains value(A) corresponding to the range sample.
839 : RCM-SP-53-0419 Issue 2/5: January 2, 2018 Page 7-56 */
840 0 : const float digitalValue =
841 0 : reinterpret_cast<float *>(pImage)[nPixOff];
842 0 : const float A =
843 0 : static_cast<float>(m_nfTable[nBlockXOff * nBlockXSize + j]);
844 0 : reinterpret_cast<float *>(pImage)[nPixOff] =
845 0 : ((digitalValue * digitalValue) +
846 0 : static_cast<float>(this->m_nfOffset)) /
847 : A;
848 : }
849 : }
850 : }
851 :
852 0 : else if (this->m_eOriginalType == GDT_Float64)
853 : {
854 : /* A Float64 is actual 8 bytes */
855 0 : eErr = m_poBandDataset->RasterIO(
856 0 : GF_Read, nBlockXOff * nBlockXSize, nBlockYOff * nBlockYSize,
857 : nRequestXSize, nRequestYSize, pImage, nRequestXSize, nRequestYSize,
858 0 : GDT_Float64, 1, nullptr, 8, nBlockXSize * 8, 0, nullptr);
859 :
860 : /* iterate over detected values */
861 0 : for (int i = 0; i < nRequestYSize; i++)
862 : {
863 0 : for (int j = 0; j < nRequestXSize; j++)
864 : {
865 0 : int nPixOff = (i * nBlockXSize) + j;
866 :
867 : /* For detected products, in order to convert the digital number
868 : of a given range sample to a calibrated value, the digital value
869 : is first squared, then the offset(B) is added and the result is
870 : divided by the gains value(A) corresponding to the range sample.
871 : RCM-SP-53-0419 Issue 2/5: January 2, 2018 Page 7-56 */
872 0 : const float digitalValue =
873 0 : reinterpret_cast<float *>(pImage)[nPixOff];
874 0 : const float A =
875 0 : static_cast<float>(m_nfTable[nBlockXOff * nBlockXSize + j]);
876 0 : reinterpret_cast<float *>(pImage)[nPixOff] =
877 0 : ((digitalValue * digitalValue) +
878 0 : static_cast<float>(this->m_nfOffset)) /
879 : A;
880 : }
881 : }
882 : }
883 :
884 0 : else if (this->m_eOriginalType == GDT_UInt16)
885 : {
886 : /* read in detected values */
887 0 : GUInt16 *panImageTmp = static_cast<GUInt16 *>(VSI_MALLOC3_VERBOSE(
888 : nBlockXSize, nBlockYSize, GDALGetDataTypeSizeBytes(GDT_UInt16)));
889 0 : if (!panImageTmp)
890 0 : return CE_Failure;
891 0 : eErr = m_poBandDataset->RasterIO(
892 0 : GF_Read, nBlockXOff * nBlockXSize, nBlockYOff * nBlockYSize,
893 : nRequestXSize, nRequestYSize, panImageTmp, nRequestXSize,
894 0 : nRequestYSize, GDT_UInt16, 1, nullptr, 2, nBlockXSize * 2, 0,
895 : nullptr);
896 :
897 : /* iterate over detected values */
898 0 : for (int i = 0; i < nRequestYSize; i++)
899 : {
900 0 : for (int j = 0; j < nRequestXSize; j++)
901 : {
902 0 : const int nPixOff = (i * nBlockXSize) + j;
903 :
904 0 : const float digitalValue =
905 0 : static_cast<float>(panImageTmp[nPixOff]);
906 0 : const float A =
907 0 : static_cast<float>(m_nfTable[nBlockXOff * nBlockXSize + j]);
908 0 : reinterpret_cast<float *>(pImage)[nPixOff] =
909 0 : ((digitalValue * digitalValue) +
910 0 : static_cast<float>(this->m_nfOffset)) /
911 : A;
912 : }
913 : }
914 0 : CPLFree(panImageTmp);
915 : } /* Ticket #2104: Support for ScanSAR products */
916 :
917 0 : else if (this->m_eOriginalType == GDT_Byte)
918 : {
919 : GByte *pabyImageTmp =
920 0 : static_cast<GByte *>(VSI_MALLOC2_VERBOSE(nBlockXSize, nBlockYSize));
921 0 : if (!pabyImageTmp)
922 0 : return CE_Failure;
923 0 : eErr = m_poBandDataset->RasterIO(
924 0 : GF_Read, nBlockXOff * nBlockXSize, nBlockYOff * nBlockYSize,
925 : nRequestXSize, nRequestYSize, pabyImageTmp, nRequestXSize,
926 0 : nRequestYSize, GDT_Byte, 1, nullptr, 1, nBlockXSize, 0, nullptr);
927 :
928 : /* iterate over detected values */
929 0 : for (int i = 0; i < nRequestYSize; i++)
930 : {
931 0 : for (int j = 0; j < nRequestXSize; j++)
932 : {
933 0 : const int nPixOff = (i * nBlockXSize) + j;
934 :
935 0 : const float digitalValue =
936 0 : static_cast<float>(pabyImageTmp[nPixOff]);
937 0 : const float A =
938 0 : static_cast<float>(m_nfTable[nBlockXOff * nBlockXSize + j]);
939 0 : reinterpret_cast<float *>(pImage)[nPixOff] =
940 0 : ((digitalValue * digitalValue) +
941 0 : static_cast<float>(this->m_nfOffset)) /
942 : A;
943 : }
944 : }
945 0 : CPLFree(pabyImageTmp);
946 : }
947 : else
948 : {
949 0 : CPLAssert(FALSE);
950 : return CE_Failure;
951 : }
952 0 : return eErr;
953 : }
954 :
955 : /************************************************************************/
956 : /* ==================================================================== */
957 : /* RCMDataset */
958 : /* ==================================================================== */
959 : /************************************************************************/
960 :
961 : /************************************************************************/
962 : /* ~RCMDataset() */
963 : /************************************************************************/
964 :
965 16 : RCMDataset::~RCMDataset()
966 :
967 : {
968 8 : RCMDataset::FlushCache(true);
969 :
970 8 : if (nGCPCount > 0)
971 : {
972 8 : GDALDeinitGCPs(nGCPCount, pasGCPList);
973 8 : CPLFree(pasGCPList);
974 : }
975 :
976 8 : RCMDataset::CloseDependentDatasets();
977 :
978 8 : if (papszSubDatasets != nullptr)
979 4 : CSLDestroy(papszSubDatasets);
980 :
981 8 : if (papszExtraFiles != nullptr)
982 8 : CSLDestroy(papszExtraFiles);
983 :
984 8 : if (m_nfIncidenceAngleTable != nullptr)
985 8 : CPLFree(m_nfIncidenceAngleTable);
986 16 : }
987 :
988 : /************************************************************************/
989 : /* CloseDependentDatasets() */
990 : /************************************************************************/
991 :
992 8 : int RCMDataset::CloseDependentDatasets()
993 : {
994 8 : int bHasDroppedRef = GDALPamDataset::CloseDependentDatasets();
995 :
996 8 : if (nBands != 0)
997 8 : bHasDroppedRef = TRUE;
998 :
999 24 : for (int iBand = 0; iBand < nBands; iBand++)
1000 : {
1001 16 : delete papoBands[iBand];
1002 : }
1003 8 : nBands = 0;
1004 :
1005 8 : return bHasDroppedRef;
1006 : }
1007 :
1008 : /************************************************************************/
1009 : /* GetFileList() */
1010 : /************************************************************************/
1011 :
1012 0 : char **RCMDataset::GetFileList()
1013 :
1014 : {
1015 0 : char **papszFileList = GDALPamDataset::GetFileList();
1016 :
1017 0 : papszFileList = CSLInsertStrings(papszFileList, -1, papszExtraFiles);
1018 :
1019 0 : return papszFileList;
1020 : }
1021 :
1022 : /************************************************************************/
1023 : /* Open() */
1024 : /************************************************************************/
1025 :
1026 10 : GDALDataset *RCMDataset::Open(GDALOpenInfo *poOpenInfo)
1027 :
1028 : {
1029 : /* -------------------------------------------------------------------- */
1030 : /* Is this a RCM Product.xml definition? */
1031 : /* -------------------------------------------------------------------- */
1032 10 : if (!RCMDatasetIdentify(poOpenInfo))
1033 : {
1034 0 : return nullptr;
1035 : }
1036 :
1037 : /* -------------------------------------------------------------------- */
1038 : /* Get subdataset information, if relevant */
1039 : /* -------------------------------------------------------------------- */
1040 10 : const char *pszFilename = poOpenInfo->pszFilename;
1041 10 : eCalibration eCalib = None;
1042 :
1043 10 : if (STARTS_WITH_CI(pszFilename, szLayerCalibration) &&
1044 6 : pszFilename[strlen(szLayerCalibration)] == chLayerSeparator)
1045 : {
1046 : // The calibration name and filename begins after the hard coded layer
1047 : // name
1048 6 : pszFilename += strlen(szLayerCalibration) + 1;
1049 :
1050 6 : if (STARTS_WITH_CI(pszFilename, szBETA0))
1051 : {
1052 1 : eCalib = Beta0;
1053 : }
1054 5 : else if (STARTS_WITH_CI(pszFilename, szSIGMA0))
1055 : {
1056 1 : eCalib = Sigma0;
1057 : }
1058 4 : else if (STARTS_WITH_CI(pszFilename, szGAMMA) ||
1059 3 : STARTS_WITH_CI(pszFilename, "GAMMA0")) // Cover both situation
1060 : {
1061 1 : eCalib = Gamma;
1062 : }
1063 3 : else if (STARTS_WITH_CI(pszFilename, szUNCALIB))
1064 : {
1065 2 : eCalib = Uncalib;
1066 : }
1067 : else
1068 : {
1069 1 : CPLError(CE_Failure, CPLE_NotSupported,
1070 : "Unsupported calibration type");
1071 1 : return nullptr;
1072 : }
1073 :
1074 : /* advance the pointer to the actual filename */
1075 35 : while (*pszFilename != '\0' && *pszFilename != ':')
1076 30 : pszFilename++;
1077 :
1078 5 : if (*pszFilename == ':')
1079 5 : pszFilename++;
1080 :
1081 : // need to redo the directory check:
1082 : // the GDALOpenInfo check would have failed because of the calibration
1083 : // string on the filename
1084 : VSIStatBufL sStat;
1085 5 : if (VSIStatL(pszFilename, &sStat) == 0)
1086 4 : poOpenInfo->bIsDirectory = VSI_ISDIR(sStat.st_mode);
1087 : }
1088 :
1089 18 : CPLString osMDFilename;
1090 9 : if (poOpenInfo->bIsDirectory)
1091 : {
1092 : /* Check for directory access when there is a product.xml file in the
1093 : directory. */
1094 : osMDFilename =
1095 2 : CPLFormCIFilenameSafe(pszFilename, "product.xml", nullptr);
1096 :
1097 : VSIStatBufL sStat;
1098 2 : if (VSIStatL(osMDFilename, &sStat) != 0)
1099 : {
1100 : /* If not, check for directory extra 'metadata' access when there is
1101 : a product.xml file in the directory. */
1102 1 : osMDFilename = CPLFormCIFilenameSafe(pszFilename,
1103 2 : GetMetadataProduct(), nullptr);
1104 : }
1105 : }
1106 : else
1107 7 : osMDFilename = pszFilename;
1108 :
1109 : /* -------------------------------------------------------------------- */
1110 : /* Ingest the Product.xml file. */
1111 : /* -------------------------------------------------------------------- */
1112 18 : CPLXMLTreeCloser psProduct(CPLParseXMLFile(osMDFilename));
1113 9 : if (!psProduct)
1114 1 : return nullptr;
1115 :
1116 : /* -------------------------------------------------------------------- */
1117 : /* Confirm the requested access is supported. */
1118 : /* -------------------------------------------------------------------- */
1119 8 : if (poOpenInfo->eAccess == GA_Update)
1120 : {
1121 0 : ReportUpdateNotSupportedByDriver("RCM");
1122 0 : return nullptr;
1123 : }
1124 :
1125 : CPLXMLNode *psSceneAttributes =
1126 8 : CPLGetXMLNode(psProduct.get(), "=product.sceneAttributes");
1127 8 : if (psSceneAttributes == nullptr)
1128 : {
1129 0 : CPLError(CE_Failure, CPLE_OpenFailed,
1130 : "ERROR: Failed to find <sceneAttributes> in document.");
1131 0 : return nullptr;
1132 : }
1133 :
1134 8 : CPLXMLNode *psImageAttributes = CPLGetXMLNode(
1135 : psProduct.get(), "=product.sceneAttributes.imageAttributes");
1136 8 : if (psImageAttributes == nullptr)
1137 : {
1138 0 : CPLError(CE_Failure, CPLE_OpenFailed,
1139 : "ERROR: Failed to find <sceneAttributes.imageAttributes> in "
1140 : "document.");
1141 0 : return nullptr;
1142 : }
1143 :
1144 : int numberOfEntries =
1145 8 : atoi(CPLGetXMLValue(psSceneAttributes, "numberOfEntries", "0"));
1146 8 : if (numberOfEntries != 1)
1147 : {
1148 0 : CPLError(CE_Failure, CPLE_OpenFailed,
1149 : "ERROR: Only RCM with Complex Single-beam is supported.");
1150 0 : return nullptr;
1151 : }
1152 :
1153 : CPLXMLNode *psImageReferenceAttributes =
1154 8 : CPLGetXMLNode(psProduct.get(), "=product.imageReferenceAttributes");
1155 8 : if (psImageReferenceAttributes == nullptr)
1156 : {
1157 0 : CPLError(
1158 : CE_Failure, CPLE_OpenFailed,
1159 : "ERROR: Failed to find <imageReferenceAttributes> in document.");
1160 0 : return nullptr;
1161 : }
1162 :
1163 : CPLXMLNode *psImageGenerationParameters =
1164 8 : CPLGetXMLNode(psProduct.get(), "=product.imageGenerationParameters");
1165 8 : if (psImageGenerationParameters == nullptr)
1166 : {
1167 0 : CPLError(
1168 : CE_Failure, CPLE_OpenFailed,
1169 : "ERROR: Failed to find <imageGenerationParameters> in document.");
1170 0 : return nullptr;
1171 : }
1172 :
1173 : /* -------------------------------------------------------------------- */
1174 : /* Create the dataset. */
1175 : /* -------------------------------------------------------------------- */
1176 16 : auto poDS = std::make_unique<RCMDataset>();
1177 :
1178 8 : poDS->psProduct = std::move(psProduct);
1179 :
1180 : /* -------------------------------------------------------------------- */
1181 : /* Get overall image information. */
1182 : /* -------------------------------------------------------------------- */
1183 8 : poDS->nRasterXSize = atoi(CPLGetXMLValue(
1184 : psSceneAttributes, "imageAttributes.samplesPerLine", "-1"));
1185 8 : poDS->nRasterYSize = atoi(
1186 : CPLGetXMLValue(psSceneAttributes, "imageAttributes.numLines", "-1"));
1187 8 : if (!GDALCheckDatasetDimensions(poDS->nRasterXSize, poDS->nRasterYSize))
1188 : {
1189 0 : return nullptr;
1190 : }
1191 :
1192 : /* -------------------------------------------------------------------- */
1193 : /* Check product type, as to determine if there are LUTs for */
1194 : /* calibration purposes. */
1195 : /* -------------------------------------------------------------------- */
1196 :
1197 : const char *pszItem =
1198 8 : CPLGetXMLValue(psImageGenerationParameters,
1199 : "generalProcessingInformation.productType", "UNK");
1200 8 : poDS->SetMetadataItem("PRODUCT_TYPE", pszItem);
1201 8 : const char *pszProductType = pszItem;
1202 :
1203 : pszItem =
1204 8 : CPLGetXMLValue(poDS->psProduct.get(), "=product.productId", "UNK");
1205 8 : poDS->SetMetadataItem("PRODUCT_ID", pszItem);
1206 :
1207 8 : pszItem = CPLGetXMLValue(
1208 8 : poDS->psProduct.get(),
1209 : "=product.securityAttributes.securityClassification", "UNK");
1210 8 : poDS->SetMetadataItem("SECURITY_CLASSIFICATION", pszItem);
1211 :
1212 : pszItem =
1213 8 : CPLGetXMLValue(poDS->psProduct.get(),
1214 : "=product.sourceAttributes.polarizationDataMode", "UNK");
1215 8 : poDS->SetMetadataItem("POLARIZATION_DATA_MODE", pszItem);
1216 :
1217 8 : pszItem = CPLGetXMLValue(psImageGenerationParameters,
1218 : "generalProcessingInformation.processingFacility",
1219 : "UNK");
1220 8 : poDS->SetMetadataItem("PROCESSING_FACILITY", pszItem);
1221 :
1222 : pszItem =
1223 8 : CPLGetXMLValue(psImageGenerationParameters,
1224 : "generalProcessingInformation.processingTime", "UNK");
1225 8 : poDS->SetMetadataItem("PROCESSING_TIME", pszItem);
1226 :
1227 8 : pszItem = CPLGetXMLValue(psImageGenerationParameters,
1228 : "sarProcessingInformation.satelliteHeight", "UNK");
1229 8 : poDS->SetMetadataItem("SATELLITE_HEIGHT", pszItem);
1230 :
1231 8 : pszItem = CPLGetXMLValue(
1232 : psImageGenerationParameters,
1233 : "sarProcessingInformation.zeroDopplerTimeFirstLine", "UNK");
1234 8 : poDS->SetMetadataItem("FIRST_LINE_TIME", pszItem);
1235 :
1236 8 : pszItem = CPLGetXMLValue(psImageGenerationParameters,
1237 : "sarProcessingInformation.zeroDopplerTimeLastLine",
1238 : "UNK");
1239 8 : poDS->SetMetadataItem("LAST_LINE_TIME", pszItem);
1240 :
1241 8 : pszItem = CPLGetXMLValue(psImageGenerationParameters,
1242 : "sarProcessingInformation.lutApplied", "");
1243 8 : poDS->SetMetadataItem("LUT_APPLIED", pszItem);
1244 :
1245 : /*---------------------------------------------------------------------
1246 : If true, a polarization dependent application LUT has been applied
1247 : for each polarization channel. Otherwise the same application LUT
1248 : has been applied for all polarization channels. Not applicable to
1249 : lookupTable = "Unity*" or if dataType = "Floating-Point".
1250 : --------------------------------------------------------------------- */
1251 8 : pszItem = CPLGetXMLValue(psImageGenerationParameters,
1252 : "sarProcessingInformation.perPolarizationScaling",
1253 : "false");
1254 8 : poDS->SetMetadataItem("PER_POLARIZATION_SCALING", pszItem);
1255 8 : if (EQUAL(pszItem, "true") || EQUAL(pszItem, "TRUE"))
1256 : {
1257 8 : poDS->bPerPolarizationScaling = TRUE;
1258 : }
1259 :
1260 : /* the following cases can be assumed to have no LUTs, as per
1261 : * RN-RP-51-2713, but also common sense
1262 : * SLC represents a SLant range georeferenced Complex product
1263 : * (i.e., equivalent to a Single-Look Complex product for RADARSAT-1 or
1264 : * RADARSAT-2). • GRD or GRC represent GRound range georeferenced Detected
1265 : * or Complex products (GRD is equivalent to an SGX, SCN or SCW product for
1266 : * RADARSAT1 or RADARSAT-2). • GCD or GCC represent GeoCoded Detected or
1267 : * Complex products (GCD is equivalent to an SSG or SPG product for
1268 : * RADARSAT-1 or RADARSAT-2).
1269 : */
1270 8 : bool bCanCalib = false;
1271 8 : if (!(STARTS_WITH_CI(pszProductType, "UNK") ||
1272 8 : STARTS_WITH_CI(pszProductType, "GCD") ||
1273 8 : STARTS_WITH_CI(pszProductType, "GCC")))
1274 : {
1275 8 : bCanCalib = true;
1276 : }
1277 :
1278 : /* -------------------------------------------------------------------- */
1279 : /* Get dataType (so we can recognise complex data), and the */
1280 : /* bitsPerSample. */
1281 : /* -------------------------------------------------------------------- */
1282 8 : const char *pszSampleDataType = CPLGetXMLValue(
1283 : psImageReferenceAttributes, "rasterAttributes.sampleType", "");
1284 8 : poDS->SetMetadataItem("SAMPLE_TYPE", pszSampleDataType);
1285 :
1286 : /* Either Integer (16 bits) or Floating-Point (32 bits) */
1287 8 : const char *pszDataType = CPLGetXMLValue(psImageReferenceAttributes,
1288 : "rasterAttributes.dataType", "");
1289 8 : poDS->SetMetadataItem("DATA_TYPE", pszDataType);
1290 :
1291 : /* 2 entries for complex data 1 entry for magnitude detected data */
1292 8 : const char *pszBitsPerSample = CPLGetXMLValue(
1293 : psImageReferenceAttributes, "rasterAttributes.bitsPerSample", "");
1294 8 : const int nBitsPerSample = atoi(pszBitsPerSample);
1295 8 : poDS->SetMetadataItem("BITS_PER_SAMPLE", pszBitsPerSample);
1296 :
1297 : const char *pszSampledPixelSpacingTime =
1298 8 : CPLGetXMLValue(psImageReferenceAttributes,
1299 : "rasterAttributes.sampledPixelSpacingTime", "UNK");
1300 8 : poDS->SetMetadataItem("SAMPLED_PIXEL_SPACING_TIME",
1301 8 : pszSampledPixelSpacingTime);
1302 :
1303 : const char *pszSampledLineSpacingTime =
1304 8 : CPLGetXMLValue(psImageReferenceAttributes,
1305 : "rasterAttributes.sampledLineSpacingTime", "UNK");
1306 8 : poDS->SetMetadataItem("SAMPLED_LINE_SPACING_TIME",
1307 8 : pszSampledLineSpacingTime);
1308 :
1309 : GDALDataType eDataType;
1310 :
1311 8 : if (EQUAL(pszSampleDataType, "Mixed")) /* RCM MLC has Mixed sampleType */
1312 : {
1313 1 : poDS->isComplexData = false; /* RCM MLC is detected, non-complex */
1314 1 : if (nBitsPerSample == 32)
1315 : {
1316 1 : eDataType = GDT_Float32; /* 32 bits, check read block */
1317 1 : poDS->magnitudeBits = 32;
1318 : }
1319 : else
1320 : {
1321 0 : eDataType = GDT_UInt16; /* 16 bits, check read block */
1322 0 : poDS->magnitudeBits = 16;
1323 : }
1324 : }
1325 7 : else if (EQUAL(pszSampleDataType, "Complex"))
1326 : {
1327 0 : poDS->isComplexData = true;
1328 : /* Usually this is the same bits for both */
1329 0 : poDS->realBitsComplexData = nBitsPerSample;
1330 0 : poDS->imaginaryBitsComplexData = nBitsPerSample;
1331 :
1332 0 : if (nBitsPerSample == 32)
1333 : {
1334 0 : eDataType = GDT_CFloat32; /* 32 bits, check read block */
1335 : }
1336 : else
1337 : {
1338 0 : eDataType = GDT_CInt16; /* 16 bits, check read block */
1339 : }
1340 : }
1341 7 : else if (nBitsPerSample == 32 &&
1342 0 : EQUAL(pszSampleDataType, "Magnitude Detected"))
1343 : {
1344 : /* Actually, I don't need to test the 'dataType'=' Floating-Point', we
1345 : * know that a 32 bits per sample */
1346 0 : eDataType = GDT_Float32;
1347 0 : poDS->isComplexData = false;
1348 0 : poDS->magnitudeBits = 32;
1349 : }
1350 7 : else if (nBitsPerSample == 16 &&
1351 7 : EQUAL(pszSampleDataType, "Magnitude Detected"))
1352 : {
1353 : /* Actually, I don't need to test the 'dataType'=' Integer', we know
1354 : * that a 16 bits per sample */
1355 7 : eDataType = GDT_UInt16;
1356 7 : poDS->isComplexData = false;
1357 7 : poDS->magnitudeBits = 16;
1358 : }
1359 : else
1360 : {
1361 0 : CPLError(CE_Failure, CPLE_AppDefined,
1362 : "ERROR: dataType=%s and bitsPerSample=%d are not a supported "
1363 : "configuration.",
1364 : pszDataType, nBitsPerSample);
1365 0 : return nullptr;
1366 : }
1367 :
1368 : /* Indicates whether pixel number (i.e., range) increases or decreases with
1369 : range time. For GCD and GCC products, this applies to intermediate ground
1370 : range image data prior to geocoding. */
1371 : const char *pszPixelTimeOrdering =
1372 8 : CPLGetXMLValue(psImageReferenceAttributes,
1373 : "rasterAttributes.pixelTimeOrdering", "UNK");
1374 8 : poDS->SetMetadataItem("PIXEL_TIME_ORDERING", pszPixelTimeOrdering);
1375 :
1376 : /* Indicates whether line numbers (i.e., azimuth) increase or decrease with
1377 : azimuth time. For GCD and GCC products, this applies to intermediate ground
1378 : range image data prior to geocoding. */
1379 8 : const char *pszLineTimeOrdering = CPLGetXMLValue(
1380 : psImageReferenceAttributes, "rasterAttributes.lineTimeOrdering", "UNK");
1381 8 : poDS->SetMetadataItem("LINE_TIME_ORDERING", pszLineTimeOrdering);
1382 :
1383 : /* while we're at it, extract the pixel spacing information */
1384 : const char *pszPixelSpacing =
1385 8 : CPLGetXMLValue(psImageReferenceAttributes,
1386 : "rasterAttributes.sampledPixelSpacing", "UNK");
1387 8 : poDS->SetMetadataItem("PIXEL_SPACING", pszPixelSpacing);
1388 :
1389 : const char *pszLineSpacing =
1390 8 : CPLGetXMLValue(psImageReferenceAttributes,
1391 : "rasterAttributes.sampledLineSpacing", "UNK");
1392 8 : poDS->SetMetadataItem("LINE_SPACING", pszLineSpacing);
1393 :
1394 : /* -------------------------------------------------------------------- */
1395 : /* Open each of the data files as a complex band. */
1396 : /* -------------------------------------------------------------------- */
1397 8 : char *pszBeta0LUT = nullptr;
1398 8 : char *pszGammaLUT = nullptr;
1399 8 : char *pszSigma0LUT = nullptr;
1400 : // Same file for all calibrations except the calibration is plit inside the
1401 : // XML
1402 16 : std::string osNoiseLevelsValues;
1403 :
1404 16 : const CPLString osPath = CPLGetPathSafe(osMDFilename);
1405 :
1406 : /* Get a list of all polarizations */
1407 : CPLXMLNode *psSourceAttrs =
1408 8 : CPLGetXMLNode(poDS->psProduct.get(), "=product.sourceAttributes");
1409 8 : if (psSourceAttrs == nullptr)
1410 : {
1411 0 : CPLError(
1412 : CE_Failure, CPLE_OpenFailed,
1413 : "ERROR: RCM source attributes is missing. Please contact your data "
1414 : "provider for a corrected dataset.");
1415 0 : return nullptr;
1416 : }
1417 :
1418 8 : CPLXMLNode *psRadarParameters = CPLGetXMLNode(
1419 8 : poDS->psProduct.get(), "=product.sourceAttributes.radarParameters");
1420 8 : if (psRadarParameters == nullptr)
1421 : {
1422 0 : CPLError(
1423 : CE_Failure, CPLE_OpenFailed,
1424 : "ERROR: RCM radar parameters is missing. Please contact your data "
1425 : "provider for a corrected dataset.");
1426 0 : return nullptr;
1427 : }
1428 :
1429 : const char *pszPolarizations =
1430 8 : CPLGetXMLValue(psRadarParameters, "polarizations", "");
1431 8 : if (pszPolarizations == nullptr || strlen(pszPolarizations) == 0)
1432 : {
1433 0 : CPLError(
1434 : CE_Failure, CPLE_OpenFailed,
1435 : "ERROR: RCM polarizations list is missing. Please contact your "
1436 : "data provider for a corrected dataset.");
1437 0 : return nullptr;
1438 : }
1439 8 : poDS->SetMetadataItem("POLARIZATIONS", pszPolarizations);
1440 :
1441 : const char *psAcquisitionType =
1442 8 : CPLGetXMLValue(psRadarParameters, "acquisitionType", "UNK");
1443 8 : poDS->SetMetadataItem("ACQUISITION_TYPE", psAcquisitionType);
1444 :
1445 8 : const char *psBeams = CPLGetXMLValue(psRadarParameters, "beams", "UNK");
1446 8 : poDS->SetMetadataItem("BEAMS", psBeams);
1447 :
1448 : const CPLStringList aosPolarizationsGrids(
1449 16 : CSLTokenizeString2(pszPolarizations, " ", 0));
1450 16 : CPLStringList imageBandList;
1451 16 : CPLStringList imageBandFileList;
1452 8 : const int nPolarizationsGridCount = aosPolarizationsGrids.size();
1453 :
1454 : /* File names for full resolution IPDFs. For GeoTIFF format, one entry per
1455 : pole; For NITF 2.1 format, only one entry. */
1456 8 : bool bIsNITF = false;
1457 8 : const char *pszNITF_Filename = nullptr;
1458 8 : int imageBandFileCount = 0;
1459 8 : int imageBandCount = 0;
1460 :
1461 : /* Split the polarization string*/
1462 24 : auto iss = std::istringstream((CPLString(pszPolarizations)).c_str());
1463 16 : auto pol = std::string{};
1464 : /* Count number of polarizations*/
1465 24 : while (iss >> pol)
1466 16 : imageBandCount++;
1467 :
1468 8 : CPLXMLNode *psNode = psImageAttributes->psChild;
1469 131 : for (; psNode != nullptr; psNode = psNode->psNext)
1470 : {
1471 : /* Find the tif or ntf filename */
1472 123 : if (psNode->eType != CXT_Element || !(EQUAL(psNode->pszValue, "ipdf")))
1473 107 : continue;
1474 :
1475 : /* --------------------------------------------------------------------
1476 : */
1477 : /* Fetch ipdf image. Could be either tif or ntf. */
1478 : /* Replace / by \\ */
1479 : /* --------------------------------------------------------------------
1480 : */
1481 17 : const char *pszBasedFilename = CPLGetXMLValue(psNode, "", "");
1482 17 : if (*pszBasedFilename == '\0')
1483 0 : continue;
1484 :
1485 : /* Count number of image names within ipdf tag*/
1486 17 : imageBandFileCount++;
1487 :
1488 17 : CPLString pszUpperBasedFilename(CPLString(pszBasedFilename).toupper());
1489 :
1490 : const bool bEndsWithNTF =
1491 34 : strlen(pszUpperBasedFilename.c_str()) > 4 &&
1492 17 : EQUAL(pszUpperBasedFilename.c_str() +
1493 : strlen(pszUpperBasedFilename.c_str()) - 4,
1494 : ".NTF");
1495 :
1496 17 : if (bEndsWithNTF)
1497 : {
1498 : /* Found it! It would not exist one more */
1499 0 : bIsNITF = true;
1500 0 : pszNITF_Filename = pszBasedFilename;
1501 0 : break;
1502 : }
1503 : else
1504 : {
1505 : /* Keep adding polarizations filename according to the pole */
1506 17 : const char *pszPole = CPLGetXMLValue(psNode, "pole", "");
1507 17 : if (*pszPole == '\0')
1508 : {
1509 : /* Guard against case when pole is a null string, skip it */
1510 0 : imageBandFileCount--;
1511 0 : continue;
1512 : }
1513 :
1514 17 : if (EQUAL(pszPole, "XC"))
1515 : {
1516 : /* Skip RCM MLC's 3rd band file ##XC.tif */
1517 1 : imageBandFileCount--;
1518 1 : continue;
1519 : }
1520 :
1521 16 : imageBandList.AddString(CPLString(pszPole).toupper());
1522 16 : imageBandFileList.AddString(pszBasedFilename);
1523 : }
1524 : }
1525 :
1526 : /* -------------------------------------------------------------------- */
1527 : /* Incidence Angle in a sub-folder */
1528 : /* called 'calibration' from the 'metadata' folder */
1529 : /* -------------------------------------------------------------------- */
1530 :
1531 8 : const char *pszIncidenceAngleFileName = CPLGetXMLValue(
1532 : psImageReferenceAttributes, "incidenceAngleFileName", "");
1533 :
1534 8 : if (pszIncidenceAngleFileName != nullptr)
1535 : {
1536 16 : CPLString osIncidenceAngleFilePath = CPLFormFilenameSafe(
1537 8 : CPLFormFilenameSafe(osPath, CALIBRATION_FOLDER, nullptr).c_str(),
1538 16 : pszIncidenceAngleFileName, nullptr);
1539 :
1540 : /* Check if the file exist */
1541 8 : if (IsValidXMLFile(osIncidenceAngleFilePath))
1542 : {
1543 : CPLXMLTreeCloser psIncidenceAngle(
1544 16 : CPLParseXMLFile(osIncidenceAngleFilePath));
1545 :
1546 8 : int pixelFirstLutValue = atoi(
1547 8 : CPLGetXMLValue(psIncidenceAngle.get(),
1548 : "=incidenceAngles.pixelFirstAnglesValue", "0"));
1549 :
1550 8 : const int stepSize = atoi(CPLGetXMLValue(
1551 8 : psIncidenceAngle.get(), "=incidenceAngles.stepSize", "0"));
1552 : const int numberOfValues =
1553 8 : atoi(CPLGetXMLValue(psIncidenceAngle.get(),
1554 : "=incidenceAngles.numberOfValues", "0"));
1555 :
1556 8 : if (!(stepSize == 0 || stepSize == INT_MIN ||
1557 : numberOfValues == INT_MIN ||
1558 8 : abs(numberOfValues) > INT_MAX / abs(stepSize)))
1559 : {
1560 : /* Get the Pixel Per range */
1561 8 : const int tableSize = abs(stepSize) * abs(numberOfValues);
1562 :
1563 16 : CPLString angles;
1564 : // Loop through all nodes with spaces
1565 : CPLXMLNode *psNextNode =
1566 8 : CPLGetXMLNode(psIncidenceAngle.get(), "=incidenceAngles");
1567 :
1568 : CPLXMLNode *psNodeInc;
1569 458 : for (psNodeInc = psNextNode->psChild; psNodeInc != nullptr;
1570 450 : psNodeInc = psNodeInc->psNext)
1571 : {
1572 450 : if (EQUAL(psNodeInc->pszValue, "angles"))
1573 : {
1574 402 : if (angles.length() > 0)
1575 : {
1576 394 : angles.append(" "); /* separator */
1577 : }
1578 : const char *valAngle =
1579 402 : CPLGetXMLValue(psNodeInc, "", "");
1580 402 : angles.append(valAngle);
1581 : }
1582 : }
1583 :
1584 : char **papszAngleList =
1585 8 : CSLTokenizeString2(angles, " ", CSLT_HONOURSTRINGS);
1586 :
1587 : /* Allocate the right LUT size according to the product range pixel
1588 : */
1589 8 : poDS->m_IncidenceAngleTableSize = tableSize;
1590 16 : poDS->m_nfIncidenceAngleTable =
1591 8 : InterpolateValues(papszAngleList, tableSize, stepSize,
1592 : numberOfValues, pixelFirstLutValue);
1593 :
1594 8 : CSLDestroy(papszAngleList);
1595 : }
1596 : }
1597 : }
1598 :
1599 24 : for (int iPoleInx = 0; iPoleInx < nPolarizationsGridCount; iPoleInx++)
1600 : {
1601 : // Search for a specific band name
1602 : const CPLString pszPole =
1603 16 : CPLString(aosPolarizationsGrids[iPoleInx]).toupper();
1604 :
1605 : // Look if the NoiseLevel file xml exist for the
1606 16 : CPLXMLNode *psRefNode = psImageReferenceAttributes->psChild;
1607 232 : for (; psRefNode != nullptr; psRefNode = psRefNode->psNext)
1608 : {
1609 216 : if (EQUAL(psRefNode->pszValue, "noiseLevelFileName") && bCanCalib)
1610 : {
1611 : /* Determine which incidence angle correction this is */
1612 : const char *pszPoleToMatch =
1613 32 : CPLGetXMLValue(psRefNode, "pole", "");
1614 : const char *pszNoiseLevelFile =
1615 32 : CPLGetXMLValue(psRefNode, "", "");
1616 :
1617 32 : if (*pszPoleToMatch == '\0')
1618 16 : continue;
1619 :
1620 32 : if (EQUAL(pszPoleToMatch, "XC"))
1621 : /* Skip noise for RCM MLC's 3rd band XC */
1622 0 : continue;
1623 :
1624 32 : if (EQUAL(pszNoiseLevelFile, ""))
1625 0 : continue;
1626 :
1627 : /* --------------------------------------------------------------------
1628 : */
1629 : /* With RCM, LUT file is different per polarizarion (pole)
1630 : */
1631 : /* The following code make sure to loop through all
1632 : * possible */
1633 : /* 'noiseLevelFileName' and match the <ipdf 'pole' name */
1634 : /* --------------------------------------------------------------------
1635 : */
1636 32 : if (pszPole.compare(pszPoleToMatch) != 0)
1637 : {
1638 16 : continue;
1639 : }
1640 :
1641 : /* --------------------------------------------------------------------
1642 : */
1643 : /* LUT calibration is unique per pole in a sub-folder */
1644 : /* called 'calibration' from the 'metadata' folder */
1645 : /* --------------------------------------------------------------------
1646 : */
1647 :
1648 32 : CPLString oNoiseLevelPath = CPLFormFilenameSafe(
1649 16 : CPLFormFilenameSafe(osPath, CALIBRATION_FOLDER, nullptr)
1650 : .c_str(),
1651 32 : pszNoiseLevelFile, nullptr);
1652 16 : if (IsValidXMLFile(oNoiseLevelPath))
1653 : {
1654 16 : osNoiseLevelsValues = std::move(oNoiseLevelPath);
1655 : }
1656 : }
1657 : }
1658 :
1659 : // Search again with different file
1660 16 : psRefNode = psImageReferenceAttributes->psChild;
1661 232 : for (; psRefNode != nullptr; psRefNode = psRefNode->psNext)
1662 : {
1663 216 : if (EQUAL(psRefNode->pszValue, "lookupTableFileName") && bCanCalib)
1664 : {
1665 : /* Determine which incidence angle correction this is */
1666 : const char *pszLUTType =
1667 102 : CPLGetXMLValue(psRefNode, "sarCalibrationType", "");
1668 : const char *pszPoleToMatch =
1669 102 : CPLGetXMLValue(psRefNode, "pole", "");
1670 102 : const char *pszLUTFile = CPLGetXMLValue(psRefNode, "", "");
1671 :
1672 102 : if (*pszPoleToMatch == '\0')
1673 54 : continue;
1674 :
1675 102 : if (EQUAL(pszPoleToMatch, "XC"))
1676 : /* Skip Calib for RCM MLC's 3rd band XC */
1677 6 : continue;
1678 :
1679 96 : if (*pszLUTType == '\0')
1680 0 : continue;
1681 :
1682 96 : if (EQUAL(pszLUTType, ""))
1683 0 : continue;
1684 :
1685 : /* --------------------------------------------------------------------
1686 : */
1687 : /* With RCM, LUT file is different per polarizarion (pole)
1688 : */
1689 : /* The following code make sure to loop through all
1690 : * possible */
1691 : /* 'lookupTableFileName' and match the <ipdf 'pole' name */
1692 : /* --------------------------------------------------------------------
1693 : */
1694 96 : if (pszPole.compare(pszPoleToMatch) != 0)
1695 : {
1696 48 : continue;
1697 : }
1698 :
1699 : /* --------------------------------------------------------------------
1700 : */
1701 : /* LUT calibration is unique per pole in a sub-folder */
1702 : /* called 'calibration' from the 'metadata' folder */
1703 : /* --------------------------------------------------------------------
1704 : */
1705 96 : const CPLString osLUTFilePath = CPLFormFilenameSafe(
1706 48 : CPLFormFilenameSafe(osPath, CALIBRATION_FOLDER, nullptr)
1707 : .c_str(),
1708 96 : pszLUTFile, nullptr);
1709 :
1710 64 : if (EQUAL(pszLUTType, "Beta Nought") &&
1711 16 : IsValidXMLFile(osLUTFilePath))
1712 : {
1713 32 : poDS->papszExtraFiles =
1714 16 : CSLAddString(poDS->papszExtraFiles, osLUTFilePath);
1715 :
1716 : CPLString pszBuf(
1717 16 : FormatCalibration(szBETA0, osMDFilename.c_str()));
1718 16 : CPLFree(pszBeta0LUT);
1719 16 : pszBeta0LUT = VSIStrdup(osLUTFilePath);
1720 :
1721 : const char *oldLut =
1722 16 : poDS->GetMetadataItem("BETA_NOUGHT_LUT");
1723 16 : if (oldLut == nullptr)
1724 : {
1725 8 : poDS->SetMetadataItem("BETA_NOUGHT_LUT", osLUTFilePath);
1726 : }
1727 : else
1728 : {
1729 : /* Keep adding LUT file for all bands, should be planty
1730 : * of space */
1731 : char *ptrConcatLut =
1732 8 : static_cast<char *>(CPLMalloc(2048));
1733 8 : ptrConcatLut[0] =
1734 : '\0'; /* Just initialize the first byte */
1735 8 : strcat(ptrConcatLut, oldLut);
1736 8 : strcat(ptrConcatLut, ",");
1737 8 : strcat(ptrConcatLut, osLUTFilePath);
1738 8 : poDS->SetMetadataItem("BETA_NOUGHT_LUT", ptrConcatLut);
1739 8 : CPLFree(ptrConcatLut);
1740 : }
1741 :
1742 32 : poDS->papszSubDatasets = CSLSetNameValue(
1743 16 : poDS->papszSubDatasets, "SUBDATASET_3_NAME", pszBuf);
1744 16 : poDS->papszSubDatasets = CSLSetNameValue(
1745 16 : poDS->papszSubDatasets, "SUBDATASET_3_DESC",
1746 : "Beta Nought calibrated");
1747 : }
1748 48 : else if (EQUAL(pszLUTType, "Sigma Nought") &&
1749 16 : IsValidXMLFile(osLUTFilePath))
1750 : {
1751 32 : poDS->papszExtraFiles =
1752 16 : CSLAddString(poDS->papszExtraFiles, osLUTFilePath);
1753 :
1754 : CPLString pszBuf(
1755 16 : FormatCalibration(szSIGMA0, osMDFilename.c_str()));
1756 16 : CPLFree(pszSigma0LUT);
1757 16 : pszSigma0LUT = VSIStrdup(osLUTFilePath);
1758 :
1759 : const char *oldLut =
1760 16 : poDS->GetMetadataItem("SIGMA_NOUGHT_LUT");
1761 16 : if (oldLut == nullptr)
1762 : {
1763 16 : poDS->SetMetadataItem("SIGMA_NOUGHT_LUT",
1764 8 : osLUTFilePath);
1765 : }
1766 : else
1767 : {
1768 : /* Keep adding LUT file for all bands, should be planty
1769 : * of space */
1770 : char *ptrConcatLut =
1771 8 : static_cast<char *>(CPLMalloc(2048));
1772 8 : ptrConcatLut[0] =
1773 : '\0'; /* Just initialize the first byte */
1774 8 : strcat(ptrConcatLut, oldLut);
1775 8 : strcat(ptrConcatLut, ",");
1776 8 : strcat(ptrConcatLut, osLUTFilePath);
1777 8 : poDS->SetMetadataItem("SIGMA_NOUGHT_LUT", ptrConcatLut);
1778 8 : CPLFree(ptrConcatLut);
1779 : }
1780 :
1781 32 : poDS->papszSubDatasets = CSLSetNameValue(
1782 16 : poDS->papszSubDatasets, "SUBDATASET_2_NAME", pszBuf);
1783 16 : poDS->papszSubDatasets = CSLSetNameValue(
1784 16 : poDS->papszSubDatasets, "SUBDATASET_2_DESC",
1785 : "Sigma Nought calibrated");
1786 : }
1787 32 : else if (EQUAL(pszLUTType, "Gamma") &&
1788 16 : IsValidXMLFile(osLUTFilePath))
1789 : {
1790 32 : poDS->papszExtraFiles =
1791 16 : CSLAddString(poDS->papszExtraFiles, osLUTFilePath);
1792 :
1793 : CPLString pszBuf(
1794 16 : FormatCalibration(szGAMMA, osMDFilename.c_str()));
1795 16 : CPLFree(pszGammaLUT);
1796 16 : pszGammaLUT = VSIStrdup(osLUTFilePath);
1797 :
1798 16 : const char *oldLut = poDS->GetMetadataItem("GAMMA_LUT");
1799 16 : if (oldLut == nullptr)
1800 : {
1801 8 : poDS->SetMetadataItem("GAMMA_LUT", osLUTFilePath);
1802 : }
1803 : else
1804 : {
1805 : /* Keep adding LUT file for all bands, should be planty
1806 : * of space */
1807 : char *ptrConcatLut =
1808 8 : static_cast<char *>(CPLMalloc(2048));
1809 8 : ptrConcatLut[0] =
1810 : '\0'; /* Just initialize the first byte */
1811 8 : strcat(ptrConcatLut, oldLut);
1812 8 : strcat(ptrConcatLut, ",");
1813 8 : strcat(ptrConcatLut, osLUTFilePath);
1814 8 : poDS->SetMetadataItem("GAMMA_LUT", ptrConcatLut);
1815 8 : CPLFree(ptrConcatLut);
1816 : }
1817 :
1818 32 : poDS->papszSubDatasets = CSLSetNameValue(
1819 16 : poDS->papszSubDatasets, "SUBDATASET_4_NAME", pszBuf);
1820 16 : poDS->papszSubDatasets = CSLSetNameValue(
1821 16 : poDS->papszSubDatasets, "SUBDATASET_4_DESC",
1822 : "Gamma calibrated");
1823 : }
1824 : }
1825 : }
1826 :
1827 : /* --------------------------------------------------------------------
1828 : */
1829 : /* Fetch ipdf image. Could be either tif or ntf. */
1830 : /* Replace / by \\ */
1831 : /* --------------------------------------------------------------------
1832 : */
1833 : const char *pszBasedFilename;
1834 16 : if (bIsNITF)
1835 : {
1836 0 : pszBasedFilename = pszNITF_Filename;
1837 : }
1838 : else
1839 : {
1840 16 : const int bandPositionIndex = imageBandList.FindString(pszPole);
1841 16 : if (bandPositionIndex < 0)
1842 : {
1843 0 : CPLFree(imageBandList);
1844 0 : CPLFree(imageBandFileList);
1845 :
1846 0 : CPLError(CE_Failure, CPLE_OpenFailed,
1847 : "ERROR: RCM cannot find the polarization %s. Please "
1848 : "contact your data provider for a corrected dataset",
1849 : pszPole.c_str());
1850 0 : return nullptr;
1851 : }
1852 :
1853 16 : pszBasedFilename = imageBandFileList[bandPositionIndex];
1854 : }
1855 :
1856 : /* --------------------------------------------------------------------
1857 : */
1858 : /* Form full filename (path of product.xml + basename). */
1859 : /* --------------------------------------------------------------------
1860 : */
1861 16 : char *pszFullname = CPLStrdup(
1862 32 : CPLFormFilenameSafe(osPath, pszBasedFilename, nullptr).c_str());
1863 :
1864 : /* --------------------------------------------------------------------
1865 : */
1866 : /* Try and open the file. */
1867 : /* --------------------------------------------------------------------
1868 : */
1869 : auto poBandFile = std::unique_ptr<GDALDataset>(GDALDataset::Open(
1870 16 : pszFullname, GDAL_OF_RASTER | GDAL_OF_VERBOSE_ERROR));
1871 16 : if (poBandFile == nullptr)
1872 : {
1873 0 : CPLFree(pszFullname);
1874 0 : continue;
1875 : }
1876 16 : if (poBandFile->GetRasterCount() == 0)
1877 : {
1878 0 : CPLFree(pszFullname);
1879 0 : continue;
1880 : }
1881 :
1882 32 : poDS->papszExtraFiles =
1883 16 : CSLAddString(poDS->papszExtraFiles, pszFullname);
1884 :
1885 : /* Some CFloat32 NITF files have nBitsPerSample incorrectly reported */
1886 : /* as 16, and get misinterpreted as CInt16. Check the underlying NITF
1887 : */
1888 : /* and override if this is the case. */
1889 16 : if (poBandFile->GetRasterBand(1)->GetRasterDataType() == GDT_CFloat32)
1890 0 : eDataType = GDT_CFloat32;
1891 :
1892 : BandMappingRCM b =
1893 16 : checkBandFileMappingRCM(eDataType, poBandFile.get(), bIsNITF);
1894 16 : if (b == BANDERROR)
1895 : {
1896 0 : CPLFree(pszFullname);
1897 0 : CPLError(CE_Failure, CPLE_AppDefined,
1898 : "The underlying band files do not have an appropriate "
1899 : "data type.");
1900 0 : return nullptr;
1901 : }
1902 16 : bool twoBandComplex = b == TWOBANDCOMPLEX;
1903 16 : bool isOneFilePerPol = (imageBandCount == imageBandFileCount);
1904 :
1905 : /* --------------------------------------------------------------------
1906 : */
1907 : /* Create the band. */
1908 : /* --------------------------------------------------------------------
1909 : */
1910 16 : int bandNum = poDS->GetRasterCount() + 1;
1911 16 : if (eCalib == None || eCalib == Uncalib)
1912 : {
1913 : RCMRasterBand *poBand = new RCMRasterBand(
1914 20 : poDS.get(), bandNum, eDataType, pszPole, poBandFile.release(),
1915 20 : twoBandComplex, isOneFilePerPol, bIsNITF);
1916 :
1917 10 : poDS->SetBand(poDS->GetRasterCount() + 1, poBand);
1918 : }
1919 : else
1920 : {
1921 6 : const char *pszLUT = nullptr;
1922 6 : switch (eCalib)
1923 : {
1924 2 : case Sigma0:
1925 2 : pszLUT = pszSigma0LUT;
1926 2 : break;
1927 2 : case Beta0:
1928 2 : pszLUT = pszBeta0LUT;
1929 2 : break;
1930 2 : case Gamma:
1931 2 : pszLUT = pszGammaLUT;
1932 2 : break;
1933 0 : default:
1934 : /* we should bomb gracefully... */
1935 0 : pszLUT = pszSigma0LUT;
1936 : }
1937 6 : if (!pszLUT)
1938 : {
1939 0 : CPLFree(pszFullname);
1940 0 : CPLError(CE_Failure, CPLE_AppDefined, "LUT missing.");
1941 0 : return nullptr;
1942 : }
1943 :
1944 : // The variable 'osNoiseLevelsValues' is always the same for a ban
1945 : // name except the XML contains different calibration name
1946 6 : if (poDS->isComplexData)
1947 : {
1948 : // If Complex, always 32 bits
1949 : RCMCalibRasterBand *poBand = new RCMCalibRasterBand(
1950 0 : poDS.get(), pszPole, GDT_Float32, poBandFile.release(),
1951 0 : eCalib, pszLUT, osNoiseLevelsValues.c_str(), eDataType);
1952 0 : poDS->SetBand(poDS->GetRasterCount() + 1, poBand);
1953 : }
1954 : else
1955 : {
1956 : // Whatever the datatype was previoulsy set
1957 : RCMCalibRasterBand *poBand = new RCMCalibRasterBand(
1958 12 : poDS.get(), pszPole, eDataType, poBandFile.release(),
1959 12 : eCalib, pszLUT, osNoiseLevelsValues.c_str(), eDataType);
1960 6 : poDS->SetBand(poDS->GetRasterCount() + 1, poBand);
1961 : }
1962 : }
1963 :
1964 16 : CPLFree(pszFullname);
1965 : }
1966 :
1967 8 : if (poDS->papszSubDatasets != nullptr && eCalib == None)
1968 : {
1969 4 : CPLString pszBuf = FormatCalibration(szUNCALIB, osMDFilename.c_str());
1970 4 : poDS->papszSubDatasets = CSLSetNameValue(poDS->papszSubDatasets,
1971 : "SUBDATASET_1_NAME", pszBuf);
1972 4 : poDS->papszSubDatasets =
1973 4 : CSLSetNameValue(poDS->papszSubDatasets, "SUBDATASET_1_DESC",
1974 : "Uncalibrated digital numbers");
1975 : }
1976 4 : else if (poDS->papszSubDatasets != nullptr)
1977 : {
1978 4 : CSLDestroy(poDS->papszSubDatasets);
1979 4 : poDS->papszSubDatasets = nullptr;
1980 : }
1981 :
1982 : /* -------------------------------------------------------------------- */
1983 : /* Set the appropriate MATRIX_REPRESENTATION. */
1984 : /* -------------------------------------------------------------------- */
1985 :
1986 8 : if (poDS->GetRasterCount() == 4 &&
1987 0 : (eDataType == GDT_CInt16 || eDataType == GDT_CFloat32))
1988 : {
1989 0 : poDS->SetMetadataItem("MATRIX_REPRESENTATION", "SCATTERING");
1990 : }
1991 :
1992 : /* -------------------------------------------------------------------- */
1993 : /* Collect a few useful metadata items. */
1994 : /* -------------------------------------------------------------------- */
1995 :
1996 8 : pszItem = CPLGetXMLValue(psSourceAttrs, "satellite", "");
1997 8 : poDS->SetMetadataItem("SATELLITE_IDENTIFIER", pszItem);
1998 :
1999 8 : pszItem = CPLGetXMLValue(psSourceAttrs, "sensor", "");
2000 8 : poDS->SetMetadataItem("SENSOR_IDENTIFIER", pszItem);
2001 :
2002 : /* Get beam mode mnemonic */
2003 8 : pszItem = CPLGetXMLValue(psSourceAttrs, "beamMode", "UNK");
2004 8 : poDS->SetMetadataItem("BEAM_MODE", pszItem);
2005 :
2006 8 : pszItem = CPLGetXMLValue(psSourceAttrs, "beamModeMnemonic", "UNK");
2007 8 : poDS->SetMetadataItem("BEAM_MODE_MNEMONIC", pszItem);
2008 :
2009 8 : pszItem = CPLGetXMLValue(psSourceAttrs, "beamModeDefinitionId", "UNK");
2010 8 : poDS->SetMetadataItem("BEAM_MODE_DEFINITION_ID", pszItem);
2011 :
2012 8 : pszItem = CPLGetXMLValue(psSourceAttrs, "rawDataStartTime", "UNK");
2013 8 : poDS->SetMetadataItem("ACQUISITION_START_TIME", pszItem);
2014 :
2015 8 : pszItem = CPLGetXMLValue(psSourceAttrs, "inputDatasetFacilityId", "UNK");
2016 8 : poDS->SetMetadataItem("FACILITY_IDENTIFIER", pszItem);
2017 :
2018 8 : pszItem = CPLGetXMLValue(psSourceAttrs,
2019 : "orbitAndAttitude.orbitInformation.passDirection",
2020 : "UNK");
2021 8 : poDS->SetMetadataItem("ORBIT_DIRECTION", pszItem);
2022 8 : pszItem = CPLGetXMLValue(
2023 : psSourceAttrs, "orbitAndAttitude.orbitInformation.orbitDataSource",
2024 : "UNK");
2025 8 : poDS->SetMetadataItem("ORBIT_DATA_SOURCE", pszItem);
2026 8 : pszItem = CPLGetXMLValue(
2027 : psSourceAttrs, "orbitAndAttitude.orbitInformation.orbitDataFileName",
2028 : "UNK");
2029 8 : poDS->SetMetadataItem("ORBIT_DATA_FILE", pszItem);
2030 :
2031 : /* Get incidence angle information. DONE */
2032 8 : pszItem = CPLGetXMLValue(psSceneAttributes, "imageAttributes.incAngNearRng",
2033 : "UNK");
2034 8 : poDS->SetMetadataItem("NEAR_RANGE_INCIDENCE_ANGLE", pszItem);
2035 :
2036 8 : pszItem = CPLGetXMLValue(psSceneAttributes, "imageAttributes.incAngFarRng",
2037 : "UNK");
2038 8 : poDS->SetMetadataItem("FAR_RANGE_INCIDENCE_ANGLE", pszItem);
2039 :
2040 8 : pszItem = CPLGetXMLValue(psSceneAttributes,
2041 : "imageAttributes.slantRangeNearEdge", "UNK");
2042 8 : poDS->SetMetadataItem("SLANT_RANGE_NEAR_EDGE", pszItem);
2043 :
2044 8 : pszItem = CPLGetXMLValue(psSceneAttributes,
2045 : "imageAttributes.slantRangeFarEdge", "UNK");
2046 8 : poDS->SetMetadataItem("SLANT_RANGE_FAR_EDGE", pszItem);
2047 :
2048 : /*--------------------------------------------------------------------- */
2049 : /* Collect Map projection/Geotransform information, if present.DONE */
2050 : /* In RCM, there is no file that indicates */
2051 : /* -------------------------------------------------------------------- */
2052 8 : CPLXMLNode *psMapProjection = CPLGetXMLNode(
2053 : psImageReferenceAttributes, "geographicInformation.mapProjection");
2054 :
2055 8 : if (psMapProjection != nullptr)
2056 : {
2057 : CPLXMLNode *psPos =
2058 0 : CPLGetXMLNode(psMapProjection, "positioningInformation");
2059 :
2060 : pszItem =
2061 0 : CPLGetXMLValue(psMapProjection, "mapProjectionDescriptor", "UNK");
2062 0 : poDS->SetMetadataItem("MAP_PROJECTION_DESCRIPTOR", pszItem);
2063 :
2064 : pszItem =
2065 0 : CPLGetXMLValue(psMapProjection, "mapProjectionOrientation", "UNK");
2066 0 : poDS->SetMetadataItem("MAP_PROJECTION_ORIENTATION", pszItem);
2067 :
2068 0 : pszItem = CPLGetXMLValue(psMapProjection, "resamplingKernel", "UNK");
2069 0 : poDS->SetMetadataItem("RESAMPLING_KERNEL", pszItem);
2070 :
2071 0 : pszItem = CPLGetXMLValue(psMapProjection, "satelliteHeading", "UNK");
2072 0 : poDS->SetMetadataItem("SATELLITE_HEADING", pszItem);
2073 :
2074 0 : if (psPos != nullptr)
2075 : {
2076 0 : const double tl_x = CPLStrtod(
2077 : CPLGetXMLValue(psPos, "upperLeftCorner.mapCoordinate.easting",
2078 : "0.0"),
2079 : nullptr);
2080 0 : const double tl_y = CPLStrtod(
2081 : CPLGetXMLValue(psPos, "upperLeftCorner.mapCoordinate.northing",
2082 : "0.0"),
2083 : nullptr);
2084 0 : const double bl_x = CPLStrtod(
2085 : CPLGetXMLValue(psPos, "lowerLeftCorner.mapCoordinate.easting",
2086 : "0.0"),
2087 : nullptr);
2088 0 : const double bl_y = CPLStrtod(
2089 : CPLGetXMLValue(psPos, "lowerLeftCorner.mapCoordinate.northing",
2090 : "0.0"),
2091 : nullptr);
2092 0 : const double tr_x = CPLStrtod(
2093 : CPLGetXMLValue(psPos, "upperRightCorner.mapCoordinate.easting",
2094 : "0.0"),
2095 : nullptr);
2096 0 : const double tr_y = CPLStrtod(
2097 : CPLGetXMLValue(psPos, "upperRightCorner.mapCoordinate.northing",
2098 : "0.0"),
2099 : nullptr);
2100 0 : poDS->m_gt[1] = (tr_x - tl_x) / (poDS->nRasterXSize - 1);
2101 0 : poDS->m_gt[4] = (tr_y - tl_y) / (poDS->nRasterXSize - 1);
2102 0 : poDS->m_gt[2] = (bl_x - tl_x) / (poDS->nRasterYSize - 1);
2103 0 : poDS->m_gt[5] = (bl_y - tl_y) / (poDS->nRasterYSize - 1);
2104 0 : poDS->m_gt[0] = (tl_x - 0.5 * poDS->m_gt[1] - 0.5 * poDS->m_gt[2]);
2105 0 : poDS->m_gt[3] = (tl_y - 0.5 * poDS->m_gt[4] - 0.5 * poDS->m_gt[5]);
2106 :
2107 : /* Use bottom right pixel to test geotransform */
2108 0 : const double br_x = CPLStrtod(
2109 : CPLGetXMLValue(psPos, "lowerRightCorner.mapCoordinate.easting",
2110 : "0.0"),
2111 : nullptr);
2112 0 : const double br_y = CPLStrtod(
2113 : CPLGetXMLValue(psPos, "lowerRightCorner.mapCoordinate.northing",
2114 : "0.0"),
2115 : nullptr);
2116 0 : const double testx = poDS->m_gt[0] +
2117 0 : poDS->m_gt[1] * (poDS->nRasterXSize - 0.5) +
2118 0 : poDS->m_gt[2] * (poDS->nRasterYSize - 0.5);
2119 0 : const double testy = poDS->m_gt[3] +
2120 0 : poDS->m_gt[4] * (poDS->nRasterXSize - 0.5) +
2121 0 : poDS->m_gt[5] * (poDS->nRasterYSize - 0.5);
2122 :
2123 : /* Give 1/4 pixel numerical error leeway in calculating location
2124 : based on affine transform */
2125 0 : if ((fabs(testx - br_x) >
2126 0 : fabs(0.25 * (poDS->m_gt[1] + poDS->m_gt[2]))) ||
2127 0 : (fabs(testy - br_y) >
2128 0 : fabs(0.25 * (poDS->m_gt[4] + poDS->m_gt[5]))))
2129 : {
2130 0 : CPLError(CE_Warning, CPLE_AppDefined,
2131 : "WARNING: Unexpected error in calculating affine "
2132 : "transform: corner coordinates inconsistent.");
2133 : }
2134 : else
2135 : {
2136 0 : poDS->bHaveGeoTransform = TRUE;
2137 : }
2138 : }
2139 : }
2140 :
2141 : /* -------------------------------------------------------------------- */
2142 : /* Collect Projection String Information.DONE */
2143 : /* -------------------------------------------------------------------- */
2144 : CPLXMLNode *psEllipsoid =
2145 8 : CPLGetXMLNode(psImageReferenceAttributes,
2146 : "geographicInformation.ellipsoidParameters");
2147 :
2148 8 : if (psEllipsoid != nullptr)
2149 : {
2150 16 : OGRSpatialReference oLL, oPrj;
2151 :
2152 : const char *pszGeodeticTerrainHeight =
2153 8 : CPLGetXMLValue(psEllipsoid, "geodeticTerrainHeight", "UNK");
2154 8 : poDS->SetMetadataItem("GEODETIC_TERRAIN_HEIGHT",
2155 8 : pszGeodeticTerrainHeight);
2156 :
2157 : const char *pszEllipsoidName =
2158 8 : CPLGetXMLValue(psEllipsoid, "ellipsoidName", "");
2159 : double minor_axis =
2160 8 : CPLAtof(CPLGetXMLValue(psEllipsoid, "semiMinorAxis", "0.0"));
2161 : double major_axis =
2162 8 : CPLAtof(CPLGetXMLValue(psEllipsoid, "semiMajorAxis", "0.0"));
2163 :
2164 8 : if (EQUAL(pszEllipsoidName, "") || (minor_axis == 0.0) ||
2165 : (major_axis == 0.0))
2166 : {
2167 0 : oLL.SetWellKnownGeogCS("WGS84");
2168 0 : oPrj.SetWellKnownGeogCS("WGS84");
2169 :
2170 0 : CPLError(CE_Warning, CPLE_AppDefined,
2171 : "WARNING: Incomplete ellipsoid "
2172 : "information. Using wgs-84 parameters.");
2173 : }
2174 8 : else if (EQUAL(pszEllipsoidName, "WGS84") ||
2175 8 : EQUAL(pszEllipsoidName, "WGS 1984"))
2176 : {
2177 8 : oLL.SetWellKnownGeogCS("WGS84");
2178 8 : oPrj.SetWellKnownGeogCS("WGS84");
2179 : }
2180 : else
2181 : {
2182 0 : const double inv_flattening =
2183 0 : major_axis / (major_axis - minor_axis);
2184 0 : oLL.SetGeogCS("", "", pszEllipsoidName, major_axis, inv_flattening);
2185 0 : oPrj.SetGeogCS("", "", pszEllipsoidName, major_axis,
2186 : inv_flattening);
2187 : }
2188 :
2189 8 : if (psMapProjection != nullptr)
2190 : {
2191 : const char *pszProj =
2192 0 : CPLGetXMLValue(psMapProjection, "mapProjectionDescriptor", "");
2193 0 : bool bUseProjInfo = false;
2194 :
2195 : CPLXMLNode *psUtmParams =
2196 0 : CPLGetXMLNode(psMapProjection, "utmProjectionParameters");
2197 :
2198 : CPLXMLNode *psNspParams =
2199 0 : CPLGetXMLNode(psMapProjection, "nspProjectionParameters");
2200 :
2201 0 : if ((psUtmParams != nullptr) && poDS->bHaveGeoTransform)
2202 : {
2203 : /* double origEasting, origNorthing; */
2204 0 : bool bNorth = true;
2205 :
2206 : const int utmZone =
2207 0 : atoi(CPLGetXMLValue(psUtmParams, "utmZone", ""));
2208 : const char *pszHemisphere =
2209 0 : CPLGetXMLValue(psUtmParams, "hemisphere", "");
2210 : #if 0
2211 : origEasting = CPLStrtod(CPLGetXMLValue(
2212 : psUtmParams, "mapOriginFalseEasting", "0.0"), nullptr);
2213 : origNorthing = CPLStrtod(CPLGetXMLValue(
2214 : psUtmParams, "mapOriginFalseNorthing", "0.0"), nullptr);
2215 : #endif
2216 0 : if (STARTS_WITH_CI(pszHemisphere, "southern"))
2217 0 : bNorth = FALSE;
2218 :
2219 0 : if (STARTS_WITH_CI(pszProj, "UTM"))
2220 : {
2221 0 : oPrj.SetUTM(utmZone, bNorth);
2222 0 : bUseProjInfo = true;
2223 : }
2224 : }
2225 0 : else if ((psNspParams != nullptr) && poDS->bHaveGeoTransform)
2226 : {
2227 0 : const double origEasting = CPLStrtod(
2228 : CPLGetXMLValue(psNspParams, "mapOriginFalseEasting", "0.0"),
2229 : nullptr);
2230 : const double origNorthing =
2231 0 : CPLStrtod(CPLGetXMLValue(psNspParams,
2232 : "mapOriginFalseNorthing", "0.0"),
2233 : nullptr);
2234 0 : const double copLong = CPLStrtod(
2235 : CPLGetXMLValue(psNspParams, "centerOfProjectionLongitude",
2236 : "0.0"),
2237 : nullptr);
2238 0 : const double copLat = CPLStrtod(
2239 : CPLGetXMLValue(psNspParams, "centerOfProjectionLatitude",
2240 : "0.0"),
2241 : nullptr);
2242 0 : const double sP1 = CPLStrtod(
2243 : CPLGetXMLValue(psNspParams, "standardParallels1", "0.0"),
2244 : nullptr);
2245 0 : const double sP2 = CPLStrtod(
2246 : CPLGetXMLValue(psNspParams, "standardParallels2", "0.0"),
2247 : nullptr);
2248 :
2249 0 : if (STARTS_WITH_CI(pszProj, "ARC"))
2250 : {
2251 : /* Albers Conical Equal Area */
2252 0 : oPrj.SetACEA(sP1, sP2, copLat, copLong, origEasting,
2253 : origNorthing);
2254 0 : bUseProjInfo = true;
2255 : }
2256 0 : else if (STARTS_WITH_CI(pszProj, "LCC"))
2257 : {
2258 : /* Lambert Conformal Conic */
2259 0 : oPrj.SetLCC(sP1, sP2, copLat, copLong, origEasting,
2260 : origNorthing);
2261 0 : bUseProjInfo = true;
2262 : }
2263 0 : else if (STARTS_WITH_CI(pszProj, "STPL"))
2264 : {
2265 : /* State Plate
2266 : ASSUMPTIONS: "zone" in product.xml matches USGS
2267 : definition as expected by ogr spatial reference; NAD83
2268 : zones (versus NAD27) are assumed. */
2269 :
2270 : const int nSPZone =
2271 0 : atoi(CPLGetXMLValue(psNspParams, "zone", "1"));
2272 :
2273 0 : oPrj.SetStatePlane(nSPZone, TRUE, nullptr, 0.0);
2274 0 : bUseProjInfo = true;
2275 : }
2276 : }
2277 :
2278 0 : if (bUseProjInfo)
2279 : {
2280 0 : poDS->m_oSRS = std::move(oPrj);
2281 : }
2282 : else
2283 : {
2284 0 : CPLError(CE_Warning, CPLE_AppDefined,
2285 : "WARNING: Unable to interpret projection information; "
2286 : "check mapProjection info in product.xml!");
2287 : }
2288 : }
2289 :
2290 8 : poDS->m_oGCPSRS = std::move(oLL);
2291 : }
2292 :
2293 : /* -------------------------------------------------------------------- */
2294 : /* Collect GCPs.DONE */
2295 : /* -------------------------------------------------------------------- */
2296 8 : CPLXMLNode *psGeoGrid = CPLGetXMLNode(
2297 : psImageReferenceAttributes, "geographicInformation.geolocationGrid");
2298 :
2299 8 : if (psGeoGrid != nullptr)
2300 : {
2301 : /* count GCPs */
2302 8 : poDS->nGCPCount = 0;
2303 :
2304 136 : for (psNode = psGeoGrid->psChild; psNode != nullptr;
2305 128 : psNode = psNode->psNext)
2306 : {
2307 128 : if (EQUAL(psNode->pszValue, "imageTiePoint"))
2308 128 : poDS->nGCPCount++;
2309 : }
2310 :
2311 16 : poDS->pasGCPList = reinterpret_cast<GDAL_GCP *>(
2312 8 : CPLCalloc(sizeof(GDAL_GCP), poDS->nGCPCount));
2313 :
2314 8 : poDS->nGCPCount = 0;
2315 :
2316 136 : for (psNode = psGeoGrid->psChild; psNode != nullptr;
2317 128 : psNode = psNode->psNext)
2318 : {
2319 128 : GDAL_GCP *psGCP = poDS->pasGCPList + poDS->nGCPCount;
2320 :
2321 128 : if (!EQUAL(psNode->pszValue, "imageTiePoint"))
2322 0 : continue;
2323 :
2324 128 : poDS->nGCPCount++;
2325 :
2326 : char szID[32];
2327 128 : snprintf(szID, sizeof(szID), "%d", poDS->nGCPCount);
2328 128 : psGCP->pszId = CPLStrdup(szID);
2329 128 : psGCP->pszInfo = CPLStrdup("");
2330 128 : psGCP->dfGCPPixel =
2331 128 : CPLAtof(CPLGetXMLValue(psNode, "imageCoordinate.pixel", "0"));
2332 128 : psGCP->dfGCPLine =
2333 128 : CPLAtof(CPLGetXMLValue(psNode, "imageCoordinate.line", "0"));
2334 128 : psGCP->dfGCPX = CPLAtof(
2335 : CPLGetXMLValue(psNode, "geodeticCoordinate.longitude", ""));
2336 128 : psGCP->dfGCPY = CPLAtof(
2337 : CPLGetXMLValue(psNode, "geodeticCoordinate.latitude", ""));
2338 128 : psGCP->dfGCPZ = CPLAtof(
2339 : CPLGetXMLValue(psNode, "geodeticCoordinate.height", ""));
2340 : }
2341 : }
2342 :
2343 8 : if (pszBeta0LUT)
2344 8 : CPLFree(pszBeta0LUT);
2345 8 : if (pszSigma0LUT)
2346 8 : CPLFree(pszSigma0LUT);
2347 8 : if (pszGammaLUT)
2348 8 : CPLFree(pszGammaLUT);
2349 :
2350 : /* -------------------------------------------------------------------- */
2351 : /* Collect RPC.DONE */
2352 : /* -------------------------------------------------------------------- */
2353 8 : CPLXMLNode *psRationalFunctions = CPLGetXMLNode(
2354 : psImageReferenceAttributes, "geographicInformation.rationalFunctions");
2355 8 : if (psRationalFunctions != nullptr)
2356 : {
2357 8 : char **papszRPC = nullptr;
2358 : static const char *const apszXMLToGDALMapping[] = {
2359 : "biasError",
2360 : "ERR_BIAS",
2361 : "randomError",
2362 : "ERR_RAND",
2363 : //"lineFitQuality", "????",
2364 : //"pixelFitQuality", "????",
2365 : "lineOffset",
2366 : "LINE_OFF",
2367 : "pixelOffset",
2368 : "SAMP_OFF",
2369 : "latitudeOffset",
2370 : "LAT_OFF",
2371 : "longitudeOffset",
2372 : "LONG_OFF",
2373 : "heightOffset",
2374 : "HEIGHT_OFF",
2375 : "lineScale",
2376 : "LINE_SCALE",
2377 : "pixelScale",
2378 : "SAMP_SCALE",
2379 : "latitudeScale",
2380 : "LAT_SCALE",
2381 : "longitudeScale",
2382 : "LONG_SCALE",
2383 : "heightScale",
2384 : "HEIGHT_SCALE",
2385 : "lineNumeratorCoefficients",
2386 : "LINE_NUM_COEFF",
2387 : "lineDenominatorCoefficients",
2388 : "LINE_DEN_COEFF",
2389 : "pixelNumeratorCoefficients",
2390 : "SAMP_NUM_COEFF",
2391 : "pixelDenominatorCoefficients",
2392 : "SAMP_DEN_COEFF",
2393 : };
2394 136 : for (size_t i = 0; i < CPL_ARRAYSIZE(apszXMLToGDALMapping); i += 2)
2395 : {
2396 256 : const char *pszValue = CPLGetXMLValue(
2397 128 : psRationalFunctions, apszXMLToGDALMapping[i], nullptr);
2398 128 : if (pszValue)
2399 128 : papszRPC = CSLSetNameValue(
2400 128 : papszRPC, apszXMLToGDALMapping[i + 1], pszValue);
2401 : }
2402 8 : poDS->GDALDataset::SetMetadata(papszRPC, "RPC");
2403 8 : CSLDestroy(papszRPC);
2404 : }
2405 :
2406 : /* -------------------------------------------------------------------- */
2407 : /* Initialize any PAM information. */
2408 : /* -------------------------------------------------------------------- */
2409 16 : CPLString osDescription;
2410 16 : CPLString osSubdatasetName;
2411 8 : bool useSubdatasets = true;
2412 :
2413 8 : switch (eCalib)
2414 : {
2415 1 : case Sigma0:
2416 : {
2417 1 : osSubdatasetName = szSIGMA0;
2418 1 : osDescription = FormatCalibration(szSIGMA0, osMDFilename.c_str());
2419 : }
2420 1 : break;
2421 1 : case Beta0:
2422 : {
2423 1 : osSubdatasetName = szBETA0;
2424 1 : osDescription = FormatCalibration(szBETA0, osMDFilename.c_str());
2425 : }
2426 1 : break;
2427 1 : case Gamma:
2428 : {
2429 1 : osSubdatasetName = szGAMMA;
2430 1 : osDescription = FormatCalibration(szGAMMA, osMDFilename.c_str());
2431 : }
2432 1 : break;
2433 1 : case Uncalib:
2434 : {
2435 1 : osSubdatasetName = szUNCALIB;
2436 1 : osDescription = FormatCalibration(szUNCALIB, osMDFilename.c_str());
2437 : }
2438 1 : break;
2439 4 : default:
2440 4 : osSubdatasetName = szUNCALIB;
2441 4 : osDescription = osMDFilename;
2442 4 : useSubdatasets = false;
2443 : }
2444 :
2445 8 : CPL_IGNORE_RET_VAL(osSubdatasetName);
2446 :
2447 8 : if (eCalib != None)
2448 4 : poDS->papszExtraFiles =
2449 4 : CSLAddString(poDS->papszExtraFiles, osMDFilename);
2450 :
2451 : /* -------------------------------------------------------------------- */
2452 : /* Initialize any PAM information. */
2453 : /* -------------------------------------------------------------------- */
2454 8 : poDS->SetDescription(osDescription);
2455 :
2456 8 : poDS->SetPhysicalFilename(osMDFilename);
2457 8 : poDS->SetSubdatasetName(osDescription);
2458 :
2459 8 : poDS->TryLoadXML();
2460 :
2461 : /* -------------------------------------------------------------------- */
2462 : /* Check for overviews. */
2463 : /* -------------------------------------------------------------------- */
2464 8 : if (useSubdatasets)
2465 4 : poDS->oOvManager.Initialize(poDS.get(), ":::VIRTUAL:::");
2466 : else
2467 4 : poDS->oOvManager.Initialize(poDS.get(), osMDFilename);
2468 :
2469 8 : return poDS.release();
2470 : }
2471 :
2472 : /************************************************************************/
2473 : /* GetGCPCount() */
2474 : /************************************************************************/
2475 :
2476 6 : int RCMDataset::GetGCPCount()
2477 :
2478 : {
2479 6 : return nGCPCount;
2480 : }
2481 :
2482 : /************************************************************************/
2483 : /* GetGCPSpatialRef() */
2484 : /************************************************************************/
2485 :
2486 1 : const OGRSpatialReference *RCMDataset::GetGCPSpatialRef() const
2487 :
2488 : {
2489 1 : return m_oGCPSRS.IsEmpty() || nGCPCount == 0 ? nullptr : &m_oGCPSRS;
2490 : }
2491 :
2492 : /************************************************************************/
2493 : /* GetGCPs() */
2494 : /************************************************************************/
2495 :
2496 5 : const GDAL_GCP *RCMDataset::GetGCPs()
2497 :
2498 : {
2499 5 : return pasGCPList;
2500 : }
2501 :
2502 : /************************************************************************/
2503 : /* GetSpatialRef() */
2504 : /************************************************************************/
2505 :
2506 0 : const OGRSpatialReference *RCMDataset::GetSpatialRef() const
2507 :
2508 : {
2509 0 : return m_oSRS.IsEmpty() ? nullptr : &m_oSRS;
2510 : }
2511 :
2512 : /************************************************************************/
2513 : /* GetGeoTransform() */
2514 : /************************************************************************/
2515 :
2516 0 : CPLErr RCMDataset::GetGeoTransform(GDALGeoTransform >) const
2517 :
2518 : {
2519 0 : gt = m_gt;
2520 :
2521 0 : if (bHaveGeoTransform)
2522 : {
2523 0 : return CE_None;
2524 : }
2525 :
2526 0 : return CE_Failure;
2527 : }
2528 :
2529 : /************************************************************************/
2530 : /* GetMetadataDomainList() */
2531 : /************************************************************************/
2532 :
2533 0 : char **RCMDataset::GetMetadataDomainList()
2534 : {
2535 0 : return BuildMetadataDomainList(GDALDataset::GetMetadataDomainList(), TRUE,
2536 0 : "SUBDATASETS", nullptr);
2537 : }
2538 :
2539 : /************************************************************************/
2540 : /* GetMetadata() */
2541 : /************************************************************************/
2542 :
2543 2 : char **RCMDataset::GetMetadata(const char *pszDomain)
2544 :
2545 : {
2546 2 : if (pszDomain != nullptr && STARTS_WITH_CI(pszDomain, "SUBDATASETS") &&
2547 0 : papszSubDatasets != nullptr)
2548 0 : return papszSubDatasets;
2549 :
2550 2 : return GDALDataset::GetMetadata(pszDomain);
2551 : }
2552 :
2553 : /************************************************************************/
2554 : /* GDALRegister_RCM() */
2555 : /************************************************************************/
2556 :
2557 1961 : void GDALRegister_RCM()
2558 :
2559 : {
2560 1961 : if (GDALGetDriverByName("RCM") != nullptr)
2561 : {
2562 283 : return;
2563 : }
2564 :
2565 1678 : GDALDriver *poDriver = new GDALDriver();
2566 1678 : RCMDriverSetCommonMetadata(poDriver);
2567 :
2568 1678 : poDriver->pfnOpen = RCMDataset::Open;
2569 :
2570 1678 : GetGDALDriverManager()->RegisterDriver(poDriver);
2571 : }
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