Line data Source code
1 : /******************************************************************************
2 : *
3 : * Project: Multi-resolution Seamless Image Database (MrSID)
4 : * Purpose: Read/write LizardTech's MrSID file format - Version 4+ SDK.
5 : * Author: Andrey Kiselev, dron@ak4719.spb.edu
6 : *
7 : ******************************************************************************
8 : * Copyright (c) 2003, Andrey Kiselev <dron@ak4719.spb.edu>
9 : * Copyright (c) 2007-2013, Even Rouault <even dot rouault at spatialys.com>
10 : *
11 : * SPDX-License-Identifier: MIT
12 : ****************************************************************************/
13 :
14 : #define NO_DELETE
15 :
16 : #include "cpl_string.h"
17 : #include "gdal_frmts.h"
18 : #include "gdaljp2abstractdataset.h"
19 : #include "gdaljp2metadata.h"
20 : #include "ogr_spatialref.h"
21 : #include <string>
22 :
23 : #include "mrsiddrivercore.h"
24 :
25 : #include <geo_normalize.h>
26 : #include <geovalues.h>
27 :
28 : CPL_C_START
29 : double GTIFAngleToDD(double dfAngle, int nUOMAngle);
30 : void CPL_DLL LibgeotiffOneTimeInit();
31 : CPL_C_END
32 :
33 : #include "mrsiddataset_headers_include.h"
34 :
35 : #ifdef MRSID_POST5
36 : #define MRSID_HAVE_GETWKT
37 : #endif
38 :
39 : /* getTotalBandData is deprecated by getBandData, at least starting with 8.5 */
40 : #if defined(LTI_SDK_MAJOR) && \
41 : (LTI_SDK_MAJOR > 8 || (LTI_SDK_MAJOR >= 8 && LTI_SDK_MINOR >= 5))
42 : #define myGetTotalBandData getBandData
43 : #else
44 : #define myGetTotalBandData getTotalBandData
45 : #endif
46 :
47 : #include "mrsidstream.h"
48 :
49 : using namespace LizardTech;
50 :
51 : /* -------------------------------------------------------------------- */
52 : /* Various wrapper templates used to force new/delete to happen */
53 : /* in the same heap. See bug 1213 and MSDN knowledge base */
54 : /* article 122675. */
55 : /* -------------------------------------------------------------------- */
56 :
57 : template <class T> class LTIDLLPixel : public T
58 : {
59 : public:
60 62 : LTIDLLPixel(LTIColorSpace colorSpace, lt_uint16 numBands,
61 : LTIDataType dataType)
62 62 : : T(colorSpace, numBands, dataType)
63 : {
64 62 : }
65 :
66 124 : virtual ~LTIDLLPixel()
67 : {
68 124 : }
69 : };
70 :
71 : template <class T> class LTIDLLReader : public T
72 : {
73 : public:
74 : explicit LTIDLLReader(const LTFileSpec &fileSpec, bool useWorldFile = false)
75 : : T(fileSpec, useWorldFile)
76 : {
77 : }
78 :
79 : explicit LTIDLLReader(LTIOStreamInf &oStream, bool useWorldFile = false)
80 : : T(oStream, useWorldFile)
81 : {
82 : }
83 :
84 : explicit LTIDLLReader(LTIOStreamInf *poStream,
85 : LTIOStreamInf *poWorldFile = nullptr)
86 : : T(poStream, poWorldFile)
87 : {
88 : }
89 :
90 : virtual ~LTIDLLReader()
91 : {
92 : }
93 : };
94 :
95 : template <class T> class LTIDLLNavigator : public T
96 : {
97 : public:
98 62 : explicit LTIDLLNavigator(const LTIImage &image) : T(image)
99 : {
100 62 : }
101 :
102 124 : virtual ~LTIDLLNavigator()
103 : {
104 124 : }
105 : };
106 :
107 : template <class T> class LTIDLLBuffer : public T
108 : {
109 : public:
110 5 : LTIDLLBuffer(const LTIPixel &pixelProps, lt_uint32 totalNumCols,
111 : lt_uint32 totalNumRows, void **data)
112 5 : : T(pixelProps, totalNumCols, totalNumRows, data)
113 : {
114 5 : }
115 :
116 10 : virtual ~LTIDLLBuffer()
117 : {
118 10 : }
119 : };
120 :
121 : template <class T> class LTIDLLCopy : public T
122 : {
123 : public:
124 12 : explicit LTIDLLCopy(const T &original) : T(original)
125 : {
126 12 : }
127 :
128 24 : virtual ~LTIDLLCopy()
129 : {
130 24 : }
131 : };
132 :
133 : template <class T> class LTIDLLWriter : public T
134 : {
135 : public:
136 : explicit LTIDLLWriter(LTIImageStage *image) : T(image)
137 : {
138 : }
139 :
140 : virtual ~LTIDLLWriter()
141 : {
142 : }
143 : };
144 :
145 : template <class T> class LTIDLLDefault : public T
146 : {
147 : public:
148 : LTIDLLDefault() : T()
149 : {
150 : }
151 :
152 : virtual ~LTIDLLDefault()
153 : {
154 : }
155 : };
156 :
157 : /* -------------------------------------------------------------------- */
158 : /* Interface to MrSID SDK progress reporting. */
159 : /* -------------------------------------------------------------------- */
160 :
161 : class MrSIDProgress : public LTIProgressDelegate
162 : {
163 : public:
164 : MrSIDProgress(GDALProgressFunc f, void *arg) : m_f(f), m_arg(arg)
165 : {
166 : }
167 :
168 : virtual ~MrSIDProgress()
169 : {
170 : }
171 :
172 : virtual LT_STATUS setProgressStatus(float fraction) override
173 : {
174 : if (!m_f)
175 : return LT_STS_BadContext;
176 : if (!m_f(fraction, nullptr, m_arg))
177 : return LT_STS_Failure;
178 : return LT_STS_Success;
179 : }
180 :
181 : private:
182 : GDALProgressFunc m_f;
183 : void *m_arg;
184 : };
185 :
186 : /************************************************************************/
187 : /* ==================================================================== */
188 : /* MrSIDDataset */
189 : /* ==================================================================== */
190 : /************************************************************************/
191 :
192 : class MrSIDDataset final : public GDALJP2AbstractDataset
193 : {
194 : friend class MrSIDRasterBand;
195 :
196 : LTIOStreamInf *poStream;
197 : LTIOFileStream oLTIStream;
198 : LTIVSIStream oVSIStream;
199 :
200 : #if defined(LTI_SDK_MAJOR) && LTI_SDK_MAJOR >= 7
201 : LTIImageFilter *poImageReader;
202 : #else
203 : LTIImageReader *poImageReader;
204 : #endif
205 :
206 : #ifdef MRSID_ESDK
207 : LTIGeoFileImageWriter *poImageWriter;
208 : #endif
209 :
210 : LTIDLLNavigator<LTINavigator> *poLTINav;
211 : LTIDLLCopy<LTIMetadataDatabase> *poMetadata;
212 : const LTIPixel *poNDPixel;
213 :
214 : LTIDLLBuffer<LTISceneBuffer> *poBuffer;
215 : int nBlockXSize;
216 : int nBlockYSize;
217 : int bPrevBlockRead;
218 : int nPrevBlockXOff, nPrevBlockYOff;
219 :
220 : LTIDataType eSampleType;
221 : GDALDataType eDataType;
222 : LTIColorSpace eColorSpace;
223 :
224 : double dfCurrentMag;
225 :
226 : GTIFDefn *psDefn;
227 :
228 : MrSIDDataset *poParentDS;
229 : int bIsOverview;
230 : int nOverviewCount;
231 : MrSIDDataset **papoOverviewDS;
232 :
233 : CPLString osMETFilename;
234 :
235 : CPLErr OpenZoomLevel(lt_int32 iZoom);
236 : int GetMetadataElement(const char *, void *, int = 0);
237 : void FetchProjParams();
238 : void GetGTIFDefn();
239 : char *GetOGISDefn(GTIFDefn *);
240 :
241 : int m_nInRasterIO = 0; // Prevent infinite recursion in IRasterIO()
242 :
243 : virtual CPLErr IRasterIO(GDALRWFlag, int, int, int, int, void *, int, int,
244 : GDALDataType, int, BANDMAP_TYPE,
245 : GSpacing nPixelSpace, GSpacing nLineSpace,
246 : GSpacing nBandSpace,
247 : GDALRasterIOExtraArg *psExtraArg) override;
248 :
249 : protected:
250 : virtual int CloseDependentDatasets() override;
251 :
252 : virtual CPLErr IBuildOverviews(const char *, int, const int *, int,
253 : const int *, GDALProgressFunc, void *,
254 : CSLConstList papszOptions) override;
255 :
256 : public:
257 : explicit MrSIDDataset(int bIsJPEG2000);
258 : ~MrSIDDataset();
259 :
260 : static GDALDataset *Open(GDALOpenInfo *poOpenInfo, int bIsJP2);
261 :
262 : virtual char **GetFileList() override;
263 :
264 : #ifdef MRSID_ESDK
265 : static GDALDataset *Create(const char *pszFilename, int nXSize, int nYSize,
266 : int nBands, GDALDataType eType,
267 : char **papszParamList);
268 : #endif
269 : };
270 :
271 : /************************************************************************/
272 : /* ==================================================================== */
273 : /* MrSIDRasterBand */
274 : /* ==================================================================== */
275 : /************************************************************************/
276 :
277 : class MrSIDRasterBand final : public GDALPamRasterBand
278 : {
279 : friend class MrSIDDataset;
280 :
281 : LTIPixel *poPixel;
282 :
283 : int nBlockSize;
284 :
285 : int bNoDataSet;
286 : double dfNoDataValue;
287 :
288 : MrSIDDataset *poGDS;
289 :
290 : GDALColorInterp eBandInterp;
291 :
292 : public:
293 : MrSIDRasterBand(MrSIDDataset *, int);
294 : ~MrSIDRasterBand();
295 :
296 : virtual CPLErr IRasterIO(GDALRWFlag, int, int, int, int, void *, int, int,
297 : GDALDataType, GSpacing nPixelSpace,
298 : GSpacing nLineSpace,
299 : GDALRasterIOExtraArg *psExtraArg) override;
300 :
301 : virtual CPLErr IReadBlock(int, int, void *) override;
302 : virtual GDALColorInterp GetColorInterpretation() override;
303 : CPLErr SetColorInterpretation(GDALColorInterp eNewInterp) override;
304 : virtual double GetNoDataValue(int *) override;
305 : virtual int GetOverviewCount() override;
306 : virtual GDALRasterBand *GetOverview(int) override;
307 :
308 : virtual CPLErr GetStatistics(int bApproxOK, int bForce, double *pdfMin,
309 : double *pdfMax, double *pdfMean,
310 : double *pdfStdDev) override;
311 :
312 : #ifdef MRSID_ESDK
313 : virtual CPLErr IWriteBlock(int, int, void *) override;
314 : #endif
315 : };
316 :
317 : /************************************************************************/
318 : /* MrSIDRasterBand() */
319 : /************************************************************************/
320 :
321 62 : MrSIDRasterBand::MrSIDRasterBand(MrSIDDataset *poDSIn, int nBandIn)
322 : {
323 62 : this->poDS = poDSIn;
324 62 : poGDS = poDSIn;
325 62 : this->nBand = nBandIn;
326 62 : this->eDataType = poDSIn->eDataType;
327 :
328 : /* -------------------------------------------------------------------- */
329 : /* Set the block sizes and buffer parameters. */
330 : /* -------------------------------------------------------------------- */
331 62 : nBlockXSize = poDSIn->nBlockXSize;
332 62 : nBlockYSize = poDSIn->nBlockYSize;
333 : // #ifdef notdef
334 62 : if (poDS->GetRasterXSize() > 2048)
335 0 : nBlockXSize = 1024;
336 62 : if (poDS->GetRasterYSize() > 128)
337 36 : nBlockYSize = 128;
338 : else
339 26 : nBlockYSize = poDS->GetRasterYSize();
340 : // #endif
341 :
342 62 : nBlockSize = nBlockXSize * nBlockYSize;
343 62 : poPixel = new LTIDLLPixel<LTIPixel>(poDSIn->eColorSpace,
344 62 : static_cast<lt_uint16>(poDSIn->nBands),
345 62 : poDSIn->eSampleType);
346 :
347 : /* -------------------------------------------------------------------- */
348 : /* Set NoData values. */
349 : /* */
350 : /* This logic is disabled for now since the MrSID nodata */
351 : /* semantics are different than GDAL. In MrSID all bands must */
352 : /* match the nodata value for that band in order for the pixel */
353 : /* to be considered nodata, otherwise all values are valid. */
354 : /* -------------------------------------------------------------------- */
355 : #ifdef notdef
356 : if (poDS->poNDPixel)
357 : {
358 : switch (poDS->eSampleType)
359 : {
360 : case LTI_DATATYPE_UINT8:
361 : case LTI_DATATYPE_SINT8:
362 : dfNoDataValue =
363 : (double)poDS->poNDPixel->getSampleValueUint8(nBand - 1);
364 : break;
365 : case LTI_DATATYPE_UINT16:
366 : dfNoDataValue =
367 : (double)poDS->poNDPixel->getSampleValueUint16(nBand - 1);
368 : break;
369 : case LTI_DATATYPE_FLOAT32:
370 : dfNoDataValue =
371 : poDS->poNDPixel->getSampleValueFloat32(nBand - 1);
372 : break;
373 : case LTI_DATATYPE_SINT16:
374 : dfNoDataValue =
375 : (double)*(GInt16 *)poDS->poNDPixel->getSampleValueAddr(
376 : nBand - 1);
377 : break;
378 : case LTI_DATATYPE_UINT32:
379 : dfNoDataValue =
380 : (double)*(GUInt32 *)poDS->poNDPixel->getSampleValueAddr(
381 : nBand - 1);
382 : break;
383 : case LTI_DATATYPE_SINT32:
384 : dfNoDataValue =
385 : (double)*(GInt32 *)poDS->poNDPixel->getSampleValueAddr(
386 : nBand - 1);
387 : break;
388 : case LTI_DATATYPE_FLOAT64:
389 : dfNoDataValue =
390 : *(double *)poDS->poNDPixel->getSampleValueAddr(nBand - 1);
391 : break;
392 :
393 : case LTI_DATATYPE_INVALID:
394 : CPLAssert(false);
395 : break;
396 : }
397 : bNoDataSet = TRUE;
398 : }
399 : else
400 : #endif
401 : {
402 62 : dfNoDataValue = 0.0;
403 62 : bNoDataSet = FALSE;
404 : }
405 :
406 62 : switch (poGDS->eColorSpace)
407 : {
408 0 : case LTI_COLORSPACE_RGB:
409 0 : if (nBand == 1)
410 0 : eBandInterp = GCI_RedBand;
411 0 : else if (nBand == 2)
412 0 : eBandInterp = GCI_GreenBand;
413 0 : else if (nBand == 3)
414 0 : eBandInterp = GCI_BlueBand;
415 : else
416 0 : eBandInterp = GCI_Undefined;
417 0 : break;
418 :
419 : #if defined(LTI_SDK_MAJOR) && LTI_SDK_MAJOR >= 8
420 0 : case LTI_COLORSPACE_RGBA:
421 0 : if (nBand == 1)
422 0 : eBandInterp = GCI_RedBand;
423 0 : else if (nBand == 2)
424 0 : eBandInterp = GCI_GreenBand;
425 0 : else if (nBand == 3)
426 0 : eBandInterp = GCI_BlueBand;
427 0 : else if (nBand == 4)
428 0 : eBandInterp = GCI_AlphaBand;
429 : else
430 0 : eBandInterp = GCI_Undefined;
431 0 : break;
432 : #endif
433 :
434 0 : case LTI_COLORSPACE_CMYK:
435 0 : if (nBand == 1)
436 0 : eBandInterp = GCI_CyanBand;
437 0 : else if (nBand == 2)
438 0 : eBandInterp = GCI_MagentaBand;
439 0 : else if (nBand == 3)
440 0 : eBandInterp = GCI_YellowBand;
441 0 : else if (nBand == 4)
442 0 : eBandInterp = GCI_BlackBand;
443 : else
444 0 : eBandInterp = GCI_Undefined;
445 0 : break;
446 :
447 62 : case LTI_COLORSPACE_GRAYSCALE:
448 62 : eBandInterp = GCI_GrayIndex;
449 62 : break;
450 :
451 : #if defined(LTI_SDK_MAJOR) && LTI_SDK_MAJOR >= 8
452 0 : case LTI_COLORSPACE_GRAYSCALEA:
453 0 : if (nBand == 1)
454 0 : eBandInterp = GCI_GrayIndex;
455 0 : else if (nBand == 2)
456 0 : eBandInterp = GCI_AlphaBand;
457 : else
458 0 : eBandInterp = GCI_Undefined;
459 0 : break;
460 :
461 0 : case LTI_COLORSPACE_GRAYSCALEA_PM:
462 0 : if (nBand == 1)
463 0 : eBandInterp = GCI_GrayIndex;
464 0 : else if (nBand == 2)
465 0 : eBandInterp = GCI_AlphaBand;
466 : else
467 0 : eBandInterp = GCI_Undefined;
468 0 : break;
469 : #endif
470 :
471 0 : default:
472 0 : eBandInterp = GCI_Undefined;
473 0 : break;
474 : }
475 62 : }
476 :
477 : /************************************************************************/
478 : /* ~MrSIDRasterBand() */
479 : /************************************************************************/
480 :
481 124 : MrSIDRasterBand::~MrSIDRasterBand()
482 : {
483 62 : if (poPixel)
484 62 : delete poPixel;
485 124 : }
486 :
487 : /************************************************************************/
488 : /* IReadBlock() */
489 : /************************************************************************/
490 :
491 13 : CPLErr MrSIDRasterBand::IReadBlock(int nBlockXOff, int nBlockYOff, void *pImage)
492 : {
493 : #ifdef MRSID_ESDK
494 : if (poGDS->eAccess == GA_Update)
495 : {
496 : CPLDebug("MrSID",
497 : "IReadBlock() - DSDK - read on updatable file fails.");
498 : memset(pImage, 0, nBlockSize * GDALGetDataTypeSize(eDataType) / 8);
499 : return CE_None;
500 : }
501 : #endif /* MRSID_ESDK */
502 :
503 13 : CPLDebug("MrSID", "IReadBlock(%d,%d)", nBlockXOff, nBlockYOff);
504 :
505 13 : if (!poGDS->bPrevBlockRead || poGDS->nPrevBlockXOff != nBlockXOff ||
506 8 : poGDS->nPrevBlockYOff != nBlockYOff)
507 : {
508 13 : GInt32 nLine = nBlockYOff * nBlockYSize;
509 13 : GInt32 nCol = nBlockXOff * nBlockXSize;
510 :
511 : // XXX: The scene, passed to LTIImageStage::read() call must be
512 : // inside the image boundaries. So we should detect the last strip and
513 : // form the scene properly.
514 13 : CPLDebug("MrSID", "IReadBlock - read() %dx%d block at %d,%d.",
515 : nBlockXSize, nBlockYSize, nCol, nLine);
516 :
517 13 : if (!LT_SUCCESS(poGDS->poLTINav->setSceneAsULWH(
518 : nCol, nLine,
519 : (nCol + nBlockXSize > poGDS->GetRasterXSize())
520 : ? (poGDS->GetRasterXSize() - nCol)
521 : : nBlockXSize,
522 : (nLine + nBlockYSize > poGDS->GetRasterYSize())
523 : ? (poGDS->GetRasterYSize() - nLine)
524 : : nBlockYSize,
525 : poGDS->dfCurrentMag)))
526 : {
527 0 : CPLError(
528 : CE_Failure, CPLE_AppDefined,
529 : "MrSIDRasterBand::IReadBlock(): Failed to set scene position.");
530 0 : return CE_Failure;
531 : }
532 :
533 13 : if (!poGDS->poBuffer)
534 : {
535 5 : poGDS->poBuffer = new LTIDLLBuffer<LTISceneBuffer>(
536 5 : *poPixel, nBlockXSize, nBlockYSize, nullptr);
537 : // poGDS->poBuffer =
538 : // new LTISceneBuffer( *poPixel, nBlockXSize,
539 : // nBlockYSize, nullptr );
540 : }
541 :
542 13 : if (!LT_SUCCESS(poGDS->poImageReader->read(poGDS->poLTINav->getScene(),
543 : *poGDS->poBuffer)))
544 : {
545 0 : CPLError(CE_Failure, CPLE_AppDefined,
546 : "MrSIDRasterBand::IReadBlock(): Failed to load image.");
547 0 : return CE_Failure;
548 : }
549 :
550 13 : poGDS->bPrevBlockRead = TRUE;
551 13 : poGDS->nPrevBlockXOff = nBlockXOff;
552 13 : poGDS->nPrevBlockYOff = nBlockYOff;
553 : }
554 :
555 26 : memcpy(
556 : pImage,
557 26 : poGDS->poBuffer->myGetTotalBandData(static_cast<lt_uint16>(nBand - 1)),
558 13 : nBlockSize * (GDALGetDataTypeSize(poGDS->eDataType) / 8));
559 :
560 13 : return CE_None;
561 : }
562 :
563 : #ifdef MRSID_ESDK
564 :
565 : /************************************************************************/
566 : /* IWriteBlock() */
567 : /************************************************************************/
568 :
569 : CPLErr MrSIDRasterBand::IWriteBlock(int nBlockXOff, int nBlockYOff,
570 : void *pImage)
571 : {
572 : CPLAssert(poGDS != nullptr && nBlockXOff >= 0 && nBlockYOff >= 0 &&
573 : pImage != nullptr);
574 :
575 : #ifdef DEBUG
576 : CPLDebug("MrSID", "IWriteBlock(): nBlockXOff=%d, nBlockYOff=%d", nBlockXOff,
577 : nBlockYOff);
578 : #endif
579 :
580 : LTIScene oScene(nBlockXOff * nBlockXSize, nBlockYOff * nBlockYSize,
581 : nBlockXSize, nBlockYSize, 1.0);
582 : LTISceneBuffer oSceneBuf(*poPixel, poGDS->nBlockXSize, poGDS->nBlockYSize,
583 : &pImage);
584 :
585 : if (!LT_SUCCESS(poGDS->poImageWriter->writeBegin(oScene)))
586 : {
587 : CPLError(CE_Failure, CPLE_AppDefined,
588 : "MrSIDRasterBand::IWriteBlock(): writeBegin failed.");
589 : return CE_Failure;
590 : }
591 :
592 : if (!LT_SUCCESS(poGDS->poImageWriter->writeStrip(oSceneBuf, oScene)))
593 : {
594 : CPLError(CE_Failure, CPLE_AppDefined,
595 : "MrSIDRasterBand::IWriteBlock(): writeStrip failed.");
596 : return CE_Failure;
597 : }
598 :
599 : if (!LT_SUCCESS(poGDS->poImageWriter->writeEnd()))
600 : {
601 : CPLError(CE_Failure, CPLE_AppDefined,
602 : "MrSIDRasterBand::IWriteBlock(): writeEnd failed.");
603 : return CE_Failure;
604 : }
605 :
606 : return CE_None;
607 : }
608 :
609 : #endif /* MRSID_ESDK */
610 :
611 : /************************************************************************/
612 : /* IRasterIO() */
613 : /************************************************************************/
614 :
615 10 : CPLErr MrSIDRasterBand::IRasterIO(GDALRWFlag eRWFlag, int nXOff, int nYOff,
616 : int nXSize, int nYSize, void *pData,
617 : int nBufXSize, int nBufYSize,
618 : GDALDataType eBufType, GSpacing nPixelSpace,
619 : GSpacing nLineSpace,
620 : GDALRasterIOExtraArg *psExtraArg)
621 :
622 : {
623 : /* -------------------------------------------------------------------- */
624 : /* Fallback to default implementation if the whole scanline */
625 : /* without subsampling requested. */
626 : /* -------------------------------------------------------------------- */
627 10 : if (nXSize == poGDS->GetRasterXSize() && nXSize == nBufXSize &&
628 : nYSize == nBufYSize)
629 : {
630 10 : return GDALRasterBand::IRasterIO(eRWFlag, nXOff, nYOff, nXSize, nYSize,
631 : pData, nBufXSize, nBufYSize, eBufType,
632 10 : nPixelSpace, nLineSpace, psExtraArg);
633 : }
634 :
635 : /* -------------------------------------------------------------------- */
636 : /* Handle via the dataset level IRasterIO() */
637 : /* -------------------------------------------------------------------- */
638 0 : return poGDS->IRasterIO(eRWFlag, nXOff, nYOff, nXSize, nYSize, pData,
639 : nBufXSize, nBufYSize, eBufType, 1, &nBand,
640 0 : nPixelSpace, nLineSpace, 0, psExtraArg);
641 : }
642 :
643 : /************************************************************************/
644 : /* GetColorInterpretation() */
645 : /************************************************************************/
646 :
647 0 : GDALColorInterp MrSIDRasterBand::GetColorInterpretation()
648 :
649 : {
650 0 : return eBandInterp;
651 : }
652 :
653 : /************************************************************************/
654 : /* SetColorInterpretation() */
655 : /* */
656 : /* This would normally just be used by folks using the MrSID code */
657 : /* to read JP2 streams in other formats (such as NITF) and */
658 : /* providing their own color interpretation regardless of what */
659 : /* MrSID might think the stream itself says. */
660 : /************************************************************************/
661 :
662 0 : CPLErr MrSIDRasterBand::SetColorInterpretation(GDALColorInterp eNewInterp)
663 :
664 : {
665 0 : eBandInterp = eNewInterp;
666 :
667 0 : return CE_None;
668 : }
669 :
670 : /************************************************************************/
671 : /* GetStatistics() */
672 : /* */
673 : /* We override this method so that we can force generation of */
674 : /* statistics if approx ok is true since we know that a small */
675 : /* overview is always available, and that computing statistics */
676 : /* from it is very fast. */
677 : /************************************************************************/
678 :
679 7 : CPLErr MrSIDRasterBand::GetStatistics(int bApproxOK, int bForce, double *pdfMin,
680 : double *pdfMax, double *pdfMean,
681 : double *pdfStdDev)
682 :
683 : {
684 7 : if (bApproxOK)
685 4 : bForce = TRUE;
686 :
687 7 : return GDALPamRasterBand::GetStatistics(bApproxOK, bForce, pdfMin, pdfMax,
688 7 : pdfMean, pdfStdDev);
689 : }
690 :
691 : /************************************************************************/
692 : /* GetNoDataValue() */
693 : /************************************************************************/
694 :
695 11 : double MrSIDRasterBand::GetNoDataValue(int *pbSuccess)
696 :
697 : {
698 11 : if (bNoDataSet)
699 : {
700 0 : if (pbSuccess)
701 0 : *pbSuccess = bNoDataSet;
702 :
703 0 : return dfNoDataValue;
704 : }
705 :
706 11 : return GDALPamRasterBand::GetNoDataValue(pbSuccess);
707 : }
708 :
709 : /************************************************************************/
710 : /* GetOverviewCount() */
711 : /************************************************************************/
712 :
713 14 : int MrSIDRasterBand::GetOverviewCount()
714 :
715 : {
716 14 : return poGDS->nOverviewCount;
717 : }
718 :
719 : /************************************************************************/
720 : /* GetOverview() */
721 : /************************************************************************/
722 :
723 10 : GDALRasterBand *MrSIDRasterBand::GetOverview(int i)
724 :
725 : {
726 10 : if (i < 0 || i >= poGDS->nOverviewCount)
727 0 : return nullptr;
728 : else
729 10 : return poGDS->papoOverviewDS[i]->GetRasterBand(nBand);
730 : }
731 :
732 : /************************************************************************/
733 : /* MrSIDDataset() */
734 : /************************************************************************/
735 :
736 62 : MrSIDDataset::MrSIDDataset(int bIsJPEG2000)
737 : : nBlockXSize(0), nBlockYSize(0), eSampleType(LTI_DATATYPE_UINT8),
738 62 : eDataType(GDT_Byte), eColorSpace(LTI_COLORSPACE_INVALID)
739 : {
740 62 : poStream = nullptr;
741 62 : poImageReader = nullptr;
742 : #ifdef MRSID_ESDK
743 : poImageWriter = nullptr;
744 : #endif
745 62 : poLTINav = nullptr;
746 62 : poMetadata = nullptr;
747 62 : poNDPixel = nullptr;
748 62 : nBands = 0;
749 :
750 62 : poBuffer = nullptr;
751 62 : bPrevBlockRead = FALSE;
752 62 : nPrevBlockXOff = 0;
753 62 : nPrevBlockYOff = 0;
754 :
755 62 : psDefn = nullptr;
756 :
757 62 : dfCurrentMag = 1.0;
758 62 : bIsOverview = FALSE;
759 62 : poParentDS = this;
760 62 : nOverviewCount = 0;
761 62 : papoOverviewDS = nullptr;
762 :
763 62 : poDriver =
764 62 : (GDALDriver *)GDALGetDriverByName(bIsJPEG2000 ? "JP2MrSID" : "MrSID");
765 62 : }
766 :
767 : /************************************************************************/
768 : /* ~MrSIDDataset() */
769 : /************************************************************************/
770 :
771 124 : MrSIDDataset::~MrSIDDataset()
772 : {
773 62 : MrSIDDataset::FlushCache(true);
774 :
775 : #ifdef MRSID_ESDK
776 : if (poImageWriter)
777 : delete poImageWriter;
778 : #endif
779 :
780 62 : if (poBuffer)
781 5 : delete poBuffer;
782 62 : if (poMetadata)
783 12 : delete poMetadata;
784 62 : if (poLTINav)
785 62 : delete poLTINav;
786 62 : if (poImageReader && !bIsOverview)
787 : #if defined(LTI_SDK_MAJOR) && LTI_SDK_MAJOR >= 7
788 : {
789 12 : poImageReader->release();
790 12 : poImageReader = nullptr;
791 : }
792 : #else
793 : delete poImageReader;
794 : #endif
795 : // points to another member, don't delete
796 62 : poStream = nullptr;
797 :
798 62 : if (psDefn)
799 12 : delete psDefn;
800 62 : MrSIDDataset::CloseDependentDatasets();
801 124 : }
802 :
803 : /************************************************************************/
804 : /* CloseDependentDatasets() */
805 : /************************************************************************/
806 :
807 65 : int MrSIDDataset::CloseDependentDatasets()
808 : {
809 65 : int bRet = GDALPamDataset::CloseDependentDatasets();
810 :
811 65 : if (papoOverviewDS)
812 : {
813 62 : for (int i = 0; i < nOverviewCount; i++)
814 50 : delete papoOverviewDS[i];
815 12 : CPLFree(papoOverviewDS);
816 12 : papoOverviewDS = nullptr;
817 12 : bRet = TRUE;
818 : }
819 65 : return bRet;
820 : }
821 :
822 : /************************************************************************/
823 : /* IRasterIO() */
824 : /************************************************************************/
825 :
826 1 : CPLErr MrSIDDataset::IRasterIO(GDALRWFlag eRWFlag, int nXOff, int nYOff,
827 : int nXSize, int nYSize, void *pData,
828 : int nBufXSize, int nBufYSize,
829 : GDALDataType eBufType, int nBandCount,
830 : BANDMAP_TYPE panBandMap, GSpacing nPixelSpace,
831 : GSpacing nLineSpace, GSpacing nBandSpace,
832 : GDALRasterIOExtraArg *psExtraArg)
833 :
834 : {
835 : /* -------------------------------------------------------------------- */
836 : /* We need various criteria to skip out to block based methods. */
837 : /* -------------------------------------------------------------------- */
838 1 : int bUseBlockedIO = bForceCachedIO;
839 :
840 1 : if (nYSize == 1 || nXSize * ((double)nYSize) < 100.0)
841 0 : bUseBlockedIO = TRUE;
842 :
843 1 : if (nBufYSize == 1 || nBufXSize * ((double)nBufYSize) < 100.0)
844 0 : bUseBlockedIO = TRUE;
845 :
846 1 : if (CPLTestBool(CPLGetConfigOption("GDAL_ONE_BIG_READ", "NO")))
847 0 : bUseBlockedIO = FALSE;
848 :
849 1 : if (bUseBlockedIO && !m_nInRasterIO)
850 : {
851 0 : ++m_nInRasterIO;
852 0 : const CPLErr eErr = GDALDataset::BlockBasedRasterIO(
853 : eRWFlag, nXOff, nYOff, nXSize, nYSize, pData, nBufXSize, nBufYSize,
854 : eBufType, nBandCount, panBandMap, nPixelSpace, nLineSpace,
855 : nBandSpace, psExtraArg);
856 0 : --m_nInRasterIO;
857 0 : return eErr;
858 : }
859 :
860 1 : CPLDebug("MrSID", "RasterIO() - using optimized dataset level IO.");
861 :
862 : /* -------------------------------------------------------------------- */
863 : /* What is our requested window relative to the base dataset. */
864 : /* We want to operate from here on as if we were operating on */
865 : /* the full res band. */
866 : /* -------------------------------------------------------------------- */
867 1 : int nZoomMag = (int)((1 / dfCurrentMag) * 1.0000001);
868 :
869 1 : nXOff *= nZoomMag;
870 1 : nYOff *= nZoomMag;
871 1 : nXSize *= nZoomMag;
872 1 : nYSize *= nZoomMag;
873 :
874 : /* -------------------------------------------------------------------- */
875 : /* We need to figure out the best zoom level to use for this */
876 : /* request. We apply a small fudge factor to make sure that */
877 : /* request just very, very slightly larger than a zoom level do */
878 : /* not force us to the next level. */
879 : /* -------------------------------------------------------------------- */
880 1 : int iOverview = 0;
881 1 : double dfZoomMag =
882 1 : MIN((nXSize / (double)nBufXSize), (nYSize / (double)nBufYSize));
883 :
884 5 : for (nZoomMag = 1; nZoomMag * 2 < (dfZoomMag + 0.1) &&
885 5 : iOverview < poParentDS->nOverviewCount;
886 4 : nZoomMag *= 2, iOverview++)
887 : {
888 : }
889 :
890 : /* -------------------------------------------------------------------- */
891 : /* Work out the size of the temporary buffer and allocate it. */
892 : /* The temporary buffer will generally be at a moderately */
893 : /* higher resolution than the buffer of data requested. */
894 : /* -------------------------------------------------------------------- */
895 : int nTmpPixelSize;
896 2 : LTIPixel oPixel(eColorSpace, static_cast<lt_uint16>(nBands), eSampleType);
897 :
898 : LT_STATUS eLTStatus;
899 : unsigned int maxWidth;
900 : unsigned int maxHeight;
901 :
902 : eLTStatus =
903 1 : poImageReader->getDimsAtMag(1.0 / nZoomMag, maxWidth, maxHeight);
904 :
905 1 : if (!LT_SUCCESS(eLTStatus))
906 : {
907 0 : CPLError(CE_Failure, CPLE_AppDefined,
908 : "MrSIDDataset::IRasterIO(): Failed to get zoomed image "
909 : "dimensions.\n%s",
910 : getLastStatusString(eLTStatus));
911 0 : return CE_Failure;
912 : }
913 :
914 : int maxWidthAtL0 =
915 1 : bIsOverview ? poParentDS->GetRasterXSize() : this->GetRasterXSize();
916 : int maxHeightAtL0 =
917 1 : bIsOverview ? poParentDS->GetRasterYSize() : this->GetRasterYSize();
918 :
919 1 : int sceneUlXOff = nXOff / nZoomMag;
920 1 : int sceneUlYOff = nYOff / nZoomMag;
921 1 : int sceneWidth =
922 1 : (int)(nXSize * (double)maxWidth / (double)maxWidthAtL0 + 0.99);
923 1 : int sceneHeight =
924 1 : (int)(nYSize * (double)maxHeight / (double)maxHeightAtL0 + 0.99);
925 :
926 1 : if ((sceneUlXOff + sceneWidth) > (int)maxWidth)
927 0 : sceneWidth = maxWidth - sceneUlXOff;
928 :
929 1 : if ((sceneUlYOff + sceneHeight) > (int)maxHeight)
930 0 : sceneHeight = maxHeight - sceneUlYOff;
931 :
932 2 : LTISceneBuffer oLTIBuffer(oPixel, sceneWidth, sceneHeight, nullptr);
933 :
934 1 : nTmpPixelSize = GDALGetDataTypeSize(eDataType) / 8;
935 :
936 : /* -------------------------------------------------------------------- */
937 : /* Create navigator, and move to the requested scene area. */
938 : /* -------------------------------------------------------------------- */
939 2 : LTINavigator oNav(*poImageReader);
940 :
941 1 : if (!LT_SUCCESS(oNav.setSceneAsULWH(sceneUlXOff, sceneUlYOff, sceneWidth,
942 : sceneHeight, 1.0 / nZoomMag)))
943 : {
944 0 : CPLError(CE_Failure, CPLE_AppDefined,
945 : "MrSIDDataset::IRasterIO(): Failed to set scene position.");
946 :
947 0 : return CE_Failure;
948 : }
949 :
950 1 : CPLDebug("MrSID",
951 : "Dataset:IRasterIO(%d,%d %dx%d -> %dx%d -> %dx%d, zoom=%d)", nXOff,
952 : nYOff, nXSize, nYSize, sceneWidth, sceneHeight, nBufXSize,
953 : nBufYSize, nZoomMag);
954 :
955 1 : if (!oNav.isSceneValid())
956 0 : CPLDebug("MrSID", "LTINavigator in invalid state.");
957 :
958 : /* -------------------------------------------------------------------- */
959 : /* Read into the buffer. */
960 : /* -------------------------------------------------------------------- */
961 :
962 1 : eLTStatus = poImageReader->read(oNav.getScene(), oLTIBuffer);
963 1 : if (!LT_SUCCESS(eLTStatus))
964 : {
965 0 : CPLError(CE_Failure, CPLE_AppDefined,
966 : "MrSIDRasterBand::IRasterIO(): Failed to load image.\n%s",
967 : getLastStatusString(eLTStatus));
968 0 : return CE_Failure;
969 : }
970 :
971 : /* -------------------------------------------------------------------- */
972 : /* If we are pulling the data at a matching resolution, try to */
973 : /* do a more direct copy without subsampling. */
974 : /* -------------------------------------------------------------------- */
975 : int iBufLine, iBufPixel;
976 :
977 1 : if (nBufXSize == sceneWidth && nBufYSize == sceneHeight)
978 : {
979 0 : for (int iBand = 0; iBand < nBandCount; iBand++)
980 : {
981 0 : GByte *pabySrcBand = (GByte *)oLTIBuffer.myGetTotalBandData(
982 0 : static_cast<lt_uint16>(panBandMap[iBand] - 1));
983 :
984 0 : for (int iLine = 0; iLine < nBufYSize; iLine++)
985 : {
986 0 : GDALCopyWords(
987 0 : pabySrcBand + iLine * nTmpPixelSize * sceneWidth, eDataType,
988 : nTmpPixelSize,
989 0 : ((GByte *)pData) + iLine * nLineSpace + iBand * nBandSpace,
990 : eBufType, static_cast<int>(nPixelSpace), nBufXSize);
991 : }
992 0 : }
993 : }
994 :
995 : /* -------------------------------------------------------------------- */
996 : /* Manually resample to our target buffer. */
997 : /* -------------------------------------------------------------------- */
998 : else
999 : {
1000 11 : for (iBufLine = 0; iBufLine < nBufYSize; iBufLine++)
1001 : {
1002 10 : int iTmpLine =
1003 10 : (int)floor(((iBufLine + 0.5) / nBufYSize) * sceneHeight);
1004 :
1005 110 : for (iBufPixel = 0; iBufPixel < nBufXSize; iBufPixel++)
1006 : {
1007 100 : int iTmpPixel =
1008 100 : (int)floor(((iBufPixel + 0.5) / nBufXSize) * sceneWidth);
1009 :
1010 200 : for (int iBand = 0; iBand < nBandCount; iBand++)
1011 : {
1012 : GByte *pabySrc, *pabyDst;
1013 :
1014 100 : pabyDst = ((GByte *)pData) + nPixelSpace * iBufPixel +
1015 100 : nLineSpace * iBufLine + nBandSpace * iBand;
1016 :
1017 200 : pabySrc = (GByte *)oLTIBuffer.myGetTotalBandData(
1018 100 : static_cast<lt_uint16>(panBandMap[iBand] - 1));
1019 100 : pabySrc +=
1020 100 : (iTmpLine * sceneWidth + iTmpPixel) * nTmpPixelSize;
1021 :
1022 100 : if (eDataType == eBufType)
1023 100 : memcpy(pabyDst, pabySrc, nTmpPixelSize);
1024 : else
1025 0 : GDALCopyWords(pabySrc, eDataType, 0, pabyDst, eBufType,
1026 : 0, 1);
1027 : }
1028 : }
1029 : }
1030 : }
1031 :
1032 1 : return CE_None;
1033 : }
1034 :
1035 : /************************************************************************/
1036 : /* IBuildOverviews() */
1037 : /************************************************************************/
1038 :
1039 0 : CPLErr MrSIDDataset::IBuildOverviews(const char *, int, const int *, int,
1040 : const int *, GDALProgressFunc, void *,
1041 : CSLConstList)
1042 : {
1043 0 : CPLError(CE_Warning, CPLE_AppDefined,
1044 : "MrSID overviews are built-in, so building external "
1045 : "overviews is unnecessary. Ignoring.\n");
1046 :
1047 0 : return CE_None;
1048 : }
1049 :
1050 : /************************************************************************/
1051 : /* SerializeMetadataRec() */
1052 : /************************************************************************/
1053 :
1054 372 : static CPLString SerializeMetadataRec(const LTIMetadataRecord *poMetadataRec)
1055 : {
1056 372 : GUInt32 iNumDims = 0;
1057 372 : const GUInt32 *paiDims = nullptr;
1058 372 : const void *pData = poMetadataRec->getArrayData(iNumDims, paiDims);
1059 744 : CPLString osMetadata;
1060 372 : GUInt32 k = 0;
1061 :
1062 744 : for (GUInt32 i = 0; paiDims != nullptr && i < iNumDims; i++)
1063 : {
1064 : // stops on large binary data
1065 372 : if (poMetadataRec->getDataType() == LTI_METADATA_DATATYPE_UINT8 &&
1066 0 : paiDims[i] > 1024)
1067 0 : return CPLString();
1068 :
1069 964 : for (GUInt32 j = 0; j < paiDims[i]; j++)
1070 : {
1071 1184 : CPLString osTemp;
1072 :
1073 592 : switch (poMetadataRec->getDataType())
1074 : {
1075 0 : case LTI_METADATA_DATATYPE_UINT8:
1076 : case LTI_METADATA_DATATYPE_SINT8:
1077 0 : osTemp.Printf("%d", ((GByte *)pData)[k++]);
1078 0 : break;
1079 110 : case LTI_METADATA_DATATYPE_UINT16:
1080 110 : osTemp.Printf("%u", ((GUInt16 *)pData)[k++]);
1081 110 : break;
1082 0 : case LTI_METADATA_DATATYPE_SINT16:
1083 0 : osTemp.Printf("%d", ((GInt16 *)pData)[k++]);
1084 0 : break;
1085 20 : case LTI_METADATA_DATATYPE_UINT32:
1086 20 : osTemp.Printf("%u", ((GUInt32 *)pData)[k++]);
1087 20 : break;
1088 30 : case LTI_METADATA_DATATYPE_SINT32:
1089 30 : osTemp.Printf("%d", ((GInt32 *)pData)[k++]);
1090 30 : break;
1091 30 : case LTI_METADATA_DATATYPE_FLOAT32:
1092 30 : osTemp.Printf("%f", ((float *)pData)[k++]);
1093 30 : break;
1094 282 : case LTI_METADATA_DATATYPE_FLOAT64:
1095 282 : osTemp.Printf("%f", ((double *)pData)[k++]);
1096 282 : break;
1097 120 : case LTI_METADATA_DATATYPE_ASCII:
1098 120 : osTemp = ((const char **)pData)[k++];
1099 120 : break;
1100 0 : default:
1101 0 : break;
1102 : }
1103 :
1104 592 : if (!osMetadata.empty())
1105 220 : osMetadata += ',';
1106 592 : osMetadata += osTemp;
1107 : }
1108 : }
1109 :
1110 372 : return osMetadata;
1111 : }
1112 :
1113 : /************************************************************************/
1114 : /* GetMetadataElement() */
1115 : /************************************************************************/
1116 :
1117 288 : int MrSIDDataset::GetMetadataElement(const char *pszKey, void *pValue,
1118 : int iLength)
1119 : {
1120 288 : if (!poMetadata->has(pszKey))
1121 168 : return FALSE;
1122 :
1123 120 : const LTIMetadataRecord *poMetadataRec = nullptr;
1124 120 : poMetadata->get(pszKey, poMetadataRec);
1125 :
1126 120 : if (poMetadataRec == nullptr || !poMetadataRec->isScalar())
1127 40 : return FALSE;
1128 :
1129 : // XXX: return FALSE if we have more than one element in metadata record
1130 : int iSize;
1131 80 : switch (poMetadataRec->getDataType())
1132 : {
1133 0 : case LTI_METADATA_DATATYPE_UINT8:
1134 : case LTI_METADATA_DATATYPE_SINT8:
1135 0 : iSize = 1;
1136 0 : break;
1137 70 : case LTI_METADATA_DATATYPE_UINT16:
1138 : case LTI_METADATA_DATATYPE_SINT16:
1139 70 : iSize = 2;
1140 70 : break;
1141 0 : case LTI_METADATA_DATATYPE_UINT32:
1142 : case LTI_METADATA_DATATYPE_SINT32:
1143 : case LTI_METADATA_DATATYPE_FLOAT32:
1144 0 : iSize = 4;
1145 0 : break;
1146 0 : case LTI_METADATA_DATATYPE_FLOAT64:
1147 0 : iSize = 8;
1148 0 : break;
1149 10 : case LTI_METADATA_DATATYPE_ASCII:
1150 10 : iSize = iLength;
1151 10 : break;
1152 0 : default:
1153 0 : iSize = 0;
1154 0 : break;
1155 : }
1156 :
1157 80 : if (poMetadataRec->getDataType() == LTI_METADATA_DATATYPE_ASCII)
1158 : {
1159 20 : strncpy((char *)pValue,
1160 10 : ((const char **)poMetadataRec->getScalarData())[0], iSize);
1161 10 : ((char *)pValue)[iSize - 1] = '\0';
1162 : }
1163 : else
1164 70 : memcpy(pValue, poMetadataRec->getScalarData(), iSize);
1165 :
1166 80 : return TRUE;
1167 : }
1168 :
1169 : /************************************************************************/
1170 : /* GetFileList() */
1171 : /************************************************************************/
1172 :
1173 3 : char **MrSIDDataset::GetFileList()
1174 : {
1175 3 : char **papszFileList = GDALPamDataset::GetFileList();
1176 :
1177 3 : if (!osMETFilename.empty())
1178 0 : papszFileList = CSLAddString(papszFileList, osMETFilename.c_str());
1179 :
1180 3 : return papszFileList;
1181 : }
1182 :
1183 : /************************************************************************/
1184 : /* OpenZoomLevel() */
1185 : /************************************************************************/
1186 :
1187 62 : CPLErr MrSIDDataset::OpenZoomLevel(lt_int32 iZoom)
1188 : {
1189 : /* -------------------------------------------------------------------- */
1190 : /* Get image geometry. */
1191 : /* -------------------------------------------------------------------- */
1192 62 : if (iZoom != 0)
1193 : {
1194 : lt_uint32 iWidth, iHeight;
1195 50 : dfCurrentMag = LTIUtils::levelToMag(iZoom);
1196 : auto eLTStatus =
1197 50 : poImageReader->getDimsAtMag(dfCurrentMag, iWidth, iHeight);
1198 50 : if (!LT_SUCCESS(eLTStatus))
1199 : {
1200 0 : CPLDebug("MrSID", "Cannot open zoom level %d", iZoom);
1201 0 : return CE_Failure;
1202 : }
1203 50 : nRasterXSize = iWidth;
1204 50 : nRasterYSize = iHeight;
1205 : }
1206 : else
1207 : {
1208 12 : dfCurrentMag = 1.0;
1209 12 : nRasterXSize = poImageReader->getWidth();
1210 12 : nRasterYSize = poImageReader->getHeight();
1211 : }
1212 :
1213 62 : nBands = poImageReader->getNumBands();
1214 62 : nBlockXSize = nRasterXSize;
1215 62 : nBlockYSize = poImageReader->getStripHeight();
1216 :
1217 62 : CPLDebug("MrSID", "Opened zoom level %d with size %dx%d.", iZoom,
1218 : nRasterXSize, nRasterYSize);
1219 :
1220 : try
1221 : {
1222 62 : poLTINav = new LTIDLLNavigator<LTINavigator>(*poImageReader);
1223 : }
1224 0 : catch (...)
1225 : {
1226 0 : CPLError(CE_Failure, CPLE_AppDefined,
1227 : "MrSIDDataset::OpenZoomLevel(): "
1228 : "Failed to create LTINavigator object.");
1229 0 : return CE_Failure;
1230 : }
1231 :
1232 : /* -------------------------------------------------------------------- */
1233 : /* Handle sample type and color space. */
1234 : /* -------------------------------------------------------------------- */
1235 62 : eColorSpace = poImageReader->getColorSpace();
1236 62 : eSampleType = poImageReader->getDataType();
1237 62 : switch (eSampleType)
1238 : {
1239 0 : case LTI_DATATYPE_UINT16:
1240 0 : eDataType = GDT_UInt16;
1241 0 : break;
1242 0 : case LTI_DATATYPE_SINT16:
1243 0 : eDataType = GDT_Int16;
1244 0 : break;
1245 0 : case LTI_DATATYPE_UINT32:
1246 0 : eDataType = GDT_UInt32;
1247 0 : break;
1248 0 : case LTI_DATATYPE_SINT32:
1249 0 : eDataType = GDT_Int32;
1250 0 : break;
1251 0 : case LTI_DATATYPE_FLOAT32:
1252 0 : eDataType = GDT_Float32;
1253 0 : break;
1254 0 : case LTI_DATATYPE_FLOAT64:
1255 0 : eDataType = GDT_Float64;
1256 0 : break;
1257 62 : case LTI_DATATYPE_UINT8:
1258 : case LTI_DATATYPE_SINT8:
1259 : default:
1260 62 : eDataType = GDT_Byte;
1261 62 : break;
1262 : }
1263 :
1264 : /* -------------------------------------------------------------------- */
1265 : /* Read georeferencing. */
1266 : /* -------------------------------------------------------------------- */
1267 62 : if (!poImageReader->isGeoCoordImplicit())
1268 : {
1269 62 : const LTIGeoCoord &oGeo = poImageReader->getGeoCoord();
1270 62 : oGeo.get(adfGeoTransform[0], adfGeoTransform[3], adfGeoTransform[1],
1271 62 : adfGeoTransform[5], adfGeoTransform[2], adfGeoTransform[4]);
1272 :
1273 62 : adfGeoTransform[0] = adfGeoTransform[0] - adfGeoTransform[1] / 2;
1274 62 : adfGeoTransform[3] = adfGeoTransform[3] - adfGeoTransform[5] / 2;
1275 62 : bGeoTransformValid = TRUE;
1276 : }
1277 0 : else if (iZoom == 0)
1278 : {
1279 0 : bGeoTransformValid =
1280 0 : GDALReadWorldFile(GetDescription(), nullptr, adfGeoTransform) ||
1281 0 : GDALReadWorldFile(GetDescription(), ".wld", adfGeoTransform);
1282 : }
1283 :
1284 : /* -------------------------------------------------------------------- */
1285 : /* Read wkt. */
1286 : /* -------------------------------------------------------------------- */
1287 : #ifdef MRSID_HAVE_GETWKT
1288 62 : if (!poImageReader->isGeoCoordImplicit())
1289 : {
1290 62 : const LTIGeoCoord &oGeo = poImageReader->getGeoCoord();
1291 :
1292 62 : if (oGeo.getWKT())
1293 : {
1294 : /* Workaround probable issue with GeoDSK 7 on 64bit Linux */
1295 114 : if (!(m_oSRS.IsEmpty() && !m_oSRS.IsLocal() &&
1296 52 : STARTS_WITH_CI(oGeo.getWKT(), "LOCAL_CS")))
1297 : {
1298 62 : m_oSRS.importFromWkt(oGeo.getWKT());
1299 : }
1300 : }
1301 : }
1302 : #endif // HAVE_MRSID_GETWKT
1303 :
1304 : /* -------------------------------------------------------------------- */
1305 : /* Special case for https://zulu.ssc.nasa.gov/mrsid/mrsid.pl */
1306 : /* where LandSat .SID are accompanied by a .met file with the */
1307 : /* projection */
1308 : /* -------------------------------------------------------------------- */
1309 62 : if (iZoom == 0 && m_oSRS.IsEmpty() &&
1310 62 : EQUAL(CPLGetExtensionSafe(GetDescription()).c_str(), "sid"))
1311 : {
1312 : const std::string l_osMETFilename =
1313 0 : CPLResetExtensionSafe(GetDescription(), "met");
1314 0 : VSILFILE *fp = VSIFOpenL(l_osMETFilename.c_str(), "rb");
1315 0 : if (fp)
1316 : {
1317 0 : const char *pszLine = nullptr;
1318 0 : int nCountLine = 0;
1319 0 : int nUTMZone = 0;
1320 0 : int bWGS84 = FALSE;
1321 0 : int bUnitsMeter = FALSE;
1322 0 : while ((pszLine = CPLReadLine2L(fp, 200, nullptr)) != nullptr &&
1323 : nCountLine < 1000)
1324 : {
1325 0 : ++nCountLine;
1326 0 : if (nCountLine == 1 && strcmp(pszLine, "::MetadataFile") != 0)
1327 0 : break;
1328 0 : if (STARTS_WITH_CI(pszLine, "Projection UTM "))
1329 0 : nUTMZone = atoi(pszLine + 15);
1330 0 : else if (EQUAL(pszLine, "Datum WGS84"))
1331 0 : bWGS84 = TRUE;
1332 0 : else if (EQUAL(pszLine, "Units Meters"))
1333 0 : bUnitsMeter = TRUE;
1334 : }
1335 0 : VSIFCloseL(fp);
1336 :
1337 : /* Images in southern hemisphere have negative northings in the */
1338 : /* .sdw file. A bit weird, but anyway we must use the northern */
1339 : /* UTM SRS for consistency */
1340 0 : if (nUTMZone >= 1 && nUTMZone <= 60 && bWGS84 && bUnitsMeter)
1341 : {
1342 0 : osMETFilename = l_osMETFilename;
1343 :
1344 0 : m_oSRS.importFromEPSG(32600 + nUTMZone);
1345 0 : m_oSRS.SetAxisMappingStrategy(OAMS_TRADITIONAL_GIS_ORDER);
1346 : }
1347 : }
1348 : }
1349 :
1350 : /* -------------------------------------------------------------------- */
1351 : /* Read NoData value. */
1352 : /* -------------------------------------------------------------------- */
1353 62 : poNDPixel = poImageReader->getNoDataPixel();
1354 :
1355 : /* -------------------------------------------------------------------- */
1356 : /* Create band information objects. */
1357 : /* -------------------------------------------------------------------- */
1358 : int iBand;
1359 :
1360 124 : for (iBand = 1; iBand <= nBands; iBand++)
1361 62 : SetBand(iBand, new MrSIDRasterBand(this, iBand));
1362 :
1363 62 : return CE_None;
1364 : }
1365 :
1366 : /************************************************************************/
1367 : /* MrSIDOpen() */
1368 : /* */
1369 : /* Open method that only supports MrSID files. */
1370 : /************************************************************************/
1371 :
1372 12 : static GDALDataset *MrSIDOpen(GDALOpenInfo *poOpenInfo)
1373 : {
1374 12 : if (!MrSIDIdentify(poOpenInfo))
1375 0 : return nullptr;
1376 :
1377 : #if defined(LTI_SDK_MAJOR) && LTI_SDK_MAJOR >= 8
1378 : lt_uint8 gen;
1379 : bool raster;
1380 24 : LT_STATUS eStat = MrSIDImageReaderInterface::getMrSIDGeneration(
1381 12 : poOpenInfo->pabyHeader, gen, raster);
1382 12 : if (!LT_SUCCESS(eStat) || !raster)
1383 0 : return nullptr;
1384 : #endif
1385 :
1386 12 : return MrSIDDataset::Open(poOpenInfo, FALSE);
1387 : }
1388 :
1389 : #ifdef MRSID_J2K
1390 :
1391 : /************************************************************************/
1392 : /* JP2Open() */
1393 : /* */
1394 : /* Open method that only supports JPEG2000 files. */
1395 : /************************************************************************/
1396 :
1397 : static GDALDataset *JP2Open(GDALOpenInfo *poOpenInfo)
1398 : {
1399 : if (!MrSIDJP2Identify(poOpenInfo))
1400 : return nullptr;
1401 :
1402 : return MrSIDDataset::Open(poOpenInfo, TRUE);
1403 : }
1404 :
1405 : #endif // MRSID_J2K
1406 :
1407 : /************************************************************************/
1408 : /* Open() */
1409 : /************************************************************************/
1410 :
1411 12 : GDALDataset *MrSIDDataset::Open(GDALOpenInfo *poOpenInfo, int bIsJP2)
1412 : {
1413 12 : if (poOpenInfo->fpL)
1414 : {
1415 12 : VSIFCloseL(poOpenInfo->fpL);
1416 12 : poOpenInfo->fpL = nullptr;
1417 : }
1418 :
1419 : /* -------------------------------------------------------------------- */
1420 : /* Make sure we have hooked CSV lookup for GDAL_DATA. */
1421 : /* -------------------------------------------------------------------- */
1422 12 : LibgeotiffOneTimeInit();
1423 :
1424 : /* -------------------------------------------------------------------- */
1425 : /* Create a corresponding GDALDataset. */
1426 : /* -------------------------------------------------------------------- */
1427 : LT_STATUS eStat;
1428 :
1429 12 : MrSIDDataset *poDS = new MrSIDDataset(bIsJP2);
1430 :
1431 : // try the LTIOFileStream first, since it uses filesystem caching
1432 12 : eStat = poDS->oLTIStream.initialize(poOpenInfo->pszFilename, "rb");
1433 12 : if (LT_SUCCESS(eStat))
1434 : {
1435 12 : eStat = poDS->oLTIStream.open();
1436 12 : if (LT_SUCCESS(eStat))
1437 9 : poDS->poStream = &(poDS->oLTIStream);
1438 : }
1439 :
1440 : // fall back on VSI for non-files
1441 12 : if (!LT_SUCCESS(eStat) || !poDS->poStream)
1442 : {
1443 3 : eStat = poDS->oVSIStream.initialize(poOpenInfo->pszFilename, "rb");
1444 3 : if (!LT_SUCCESS(eStat))
1445 : {
1446 0 : CPLError(CE_Failure, CPLE_AppDefined,
1447 : "LTIVSIStream::initialize(): "
1448 : "failed to open file \"%s\".\n%s",
1449 : poOpenInfo->pszFilename, getLastStatusString(eStat));
1450 0 : delete poDS;
1451 0 : return nullptr;
1452 : }
1453 :
1454 3 : eStat = poDS->oVSIStream.open();
1455 3 : if (!LT_SUCCESS(eStat))
1456 : {
1457 0 : CPLError(CE_Failure, CPLE_AppDefined,
1458 : "LTIVSIStream::open(): "
1459 : "failed to open file \"%s\".\n%s",
1460 : poOpenInfo->pszFilename, getLastStatusString(eStat));
1461 0 : delete poDS;
1462 0 : return nullptr;
1463 : }
1464 :
1465 3 : poDS->poStream = &(poDS->oVSIStream);
1466 : }
1467 :
1468 : #if defined(LTI_SDK_MAJOR) && LTI_SDK_MAJOR >= 7
1469 :
1470 : #ifdef MRSID_J2K
1471 : if (bIsJP2)
1472 : {
1473 : J2KImageReader *reader = J2KImageReader::create();
1474 : eStat = reader->initialize(*(poDS->poStream));
1475 : poDS->poImageReader = reader;
1476 : }
1477 : else
1478 : #endif /* MRSID_J2K */
1479 : {
1480 12 : MrSIDImageReader *reader = MrSIDImageReader::create();
1481 12 : eStat = reader->initialize(poDS->poStream, nullptr);
1482 12 : poDS->poImageReader = reader;
1483 : }
1484 :
1485 : #else /* LTI_SDK_MAJOR < 7 */
1486 :
1487 : #ifdef MRSID_J2K
1488 : if (bIsJP2)
1489 : {
1490 : poDS->poImageReader =
1491 : new LTIDLLReader<J2KImageReader>(*(poDS->poStream), true);
1492 : eStat = poDS->poImageReader->initialize();
1493 : }
1494 : else
1495 : #endif /* MRSID_J2K */
1496 : {
1497 : poDS->poImageReader =
1498 : new LTIDLLReader<MrSIDImageReader>(poDS->poStream, nullptr);
1499 : eStat = poDS->poImageReader->initialize();
1500 : }
1501 :
1502 : #endif /* LTI_SDK_MAJOR >= 7 */
1503 :
1504 12 : if (!LT_SUCCESS(eStat))
1505 : {
1506 0 : CPLError(CE_Failure, CPLE_AppDefined,
1507 : "LTIImageReader::initialize(): "
1508 : "failed to initialize reader from the stream \"%s\".\n%s",
1509 : poOpenInfo->pszFilename, getLastStatusString(eStat));
1510 0 : delete poDS;
1511 0 : return nullptr;
1512 : }
1513 :
1514 : /* -------------------------------------------------------------------- */
1515 : /* Read metadata. */
1516 : /* -------------------------------------------------------------------- */
1517 12 : poDS->poMetadata =
1518 12 : new LTIDLLCopy<LTIMetadataDatabase>(poDS->poImageReader->getMetadata());
1519 12 : const GUInt32 iNumRecs = poDS->poMetadata->getIndexCount();
1520 :
1521 384 : for (GUInt32 i = 0; i < iNumRecs; i++)
1522 : {
1523 372 : const LTIMetadataRecord *poMetadataRec = nullptr;
1524 372 : if (LT_SUCCESS(poDS->poMetadata->getDataByIndex(i, poMetadataRec)))
1525 : {
1526 744 : const auto osElement = SerializeMetadataRec(poMetadataRec);
1527 372 : char *pszKey = CPLStrdup(poMetadataRec->getTagName());
1528 372 : char *pszTemp = pszKey;
1529 :
1530 : // GDAL metadata keys should not contain ':' and '=' characters.
1531 : // We will replace them with '_'.
1532 11612 : do
1533 : {
1534 11984 : if (*pszTemp == ':' || *pszTemp == '=')
1535 1044 : *pszTemp = '_';
1536 11984 : } while (*++pszTemp);
1537 :
1538 372 : poDS->SetMetadataItem(pszKey, osElement.c_str());
1539 :
1540 372 : CPLFree(pszKey);
1541 : }
1542 : }
1543 :
1544 : /* -------------------------------------------------------------------- */
1545 : /* Add MrSID version. */
1546 : /* -------------------------------------------------------------------- */
1547 : #ifdef MRSID_J2K
1548 : if (!bIsJP2)
1549 : #endif
1550 : {
1551 : #if defined(LTI_SDK_MAJOR) && LTI_SDK_MAJOR >= 8
1552 : lt_uint8 gen;
1553 : bool raster;
1554 12 : MrSIDImageReaderInterface::getMrSIDGeneration(poOpenInfo->pabyHeader,
1555 : gen, raster);
1556 12 : poDS->SetMetadataItem(
1557 : "VERSION",
1558 24 : CPLString().Printf("MG%d%s", gen, raster ? "" : " LiDAR"));
1559 : #else
1560 : lt_uint8 major;
1561 : lt_uint8 minor;
1562 : char letter;
1563 : MrSIDImageReader *poMrSIDImageReader =
1564 : (MrSIDImageReader *)poDS->poImageReader;
1565 : poMrSIDImageReader->getVersion(major, minor, minor, letter);
1566 : if (major < 2)
1567 : major = 2;
1568 : poDS->SetMetadataItem("VERSION", CPLString().Printf("MG%d", major));
1569 : #endif
1570 : }
1571 :
1572 12 : poDS->GetGTIFDefn();
1573 :
1574 : /* -------------------------------------------------------------------- */
1575 : /* Get number of resolution levels (we will use them as overviews).*/
1576 : /* -------------------------------------------------------------------- */
1577 : #ifdef MRSID_J2K
1578 : if (bIsJP2)
1579 : poDS->nOverviewCount =
1580 : ((J2KImageReader *)(poDS->poImageReader))->getNumLevels();
1581 : else
1582 : #endif
1583 12 : poDS->nOverviewCount =
1584 12 : ((MrSIDImageReader *)(poDS->poImageReader))->getNumLevels();
1585 :
1586 12 : if (poDS->nOverviewCount > 0)
1587 : {
1588 : lt_int32 i;
1589 :
1590 12 : poDS->papoOverviewDS =
1591 12 : (MrSIDDataset **)CPLMalloc(poDS->nOverviewCount * (sizeof(void *)));
1592 :
1593 62 : for (i = 0; i < poDS->nOverviewCount; i++)
1594 : {
1595 50 : poDS->papoOverviewDS[i] = new MrSIDDataset(bIsJP2);
1596 50 : poDS->papoOverviewDS[i]->poImageReader = poDS->poImageReader;
1597 50 : poDS->papoOverviewDS[i]->bIsOverview = TRUE;
1598 50 : poDS->papoOverviewDS[i]->poParentDS = poDS;
1599 50 : if (poDS->papoOverviewDS[i]->OpenZoomLevel(i + 1) != CE_None)
1600 : {
1601 0 : delete poDS->papoOverviewDS[i];
1602 0 : poDS->nOverviewCount = i;
1603 0 : break;
1604 : }
1605 : }
1606 : }
1607 :
1608 : /* -------------------------------------------------------------------- */
1609 : /* Create object for the whole image. */
1610 : /* -------------------------------------------------------------------- */
1611 12 : poDS->SetDescription(poOpenInfo->pszFilename);
1612 12 : if (poDS->OpenZoomLevel(0) != CE_None)
1613 : {
1614 0 : delete poDS;
1615 0 : return nullptr;
1616 : }
1617 :
1618 12 : CPLDebug("MrSID", "Opened image: width %d, height %d, bands %d",
1619 : poDS->nRasterXSize, poDS->nRasterYSize, poDS->nBands);
1620 :
1621 12 : if (poDS->nBands > 1)
1622 0 : poDS->SetMetadataItem("INTERLEAVE", "PIXEL", "IMAGE_STRUCTURE");
1623 :
1624 12 : if (bIsJP2)
1625 : {
1626 0 : poDS->LoadJP2Metadata(poOpenInfo);
1627 : }
1628 :
1629 : /* -------------------------------------------------------------------- */
1630 : /* Initialize any PAM information. */
1631 : /* -------------------------------------------------------------------- */
1632 12 : poDS->TryLoadXML();
1633 :
1634 : /* -------------------------------------------------------------------- */
1635 : /* Initialize the overview manager for mask band support. */
1636 : /* -------------------------------------------------------------------- */
1637 12 : poDS->oOvManager.Initialize(poDS, poOpenInfo->pszFilename);
1638 :
1639 12 : return poDS;
1640 : }
1641 :
1642 : /************************************************************************/
1643 : /* EPSGProjMethodToCTProjMethod() */
1644 : /* */
1645 : /* Convert between the EPSG enumeration for projection methods, */
1646 : /* and the GeoTIFF CT codes. */
1647 : /* Explicitly copied from geo_normalize.c of the GeoTIFF package */
1648 : /************************************************************************/
1649 :
1650 0 : static int EPSGProjMethodToCTProjMethod(int nEPSG)
1651 :
1652 : {
1653 : /* see trf_method.csv for list of EPSG codes */
1654 :
1655 0 : switch (nEPSG)
1656 : {
1657 0 : case 9801:
1658 0 : return CT_LambertConfConic_1SP;
1659 :
1660 0 : case 9802:
1661 0 : return CT_LambertConfConic_2SP;
1662 :
1663 0 : case 9803:
1664 0 : return CT_LambertConfConic_2SP; // Belgian variant not supported.
1665 :
1666 0 : case 9804:
1667 0 : return CT_Mercator; // 1SP and 2SP not differentiated.
1668 :
1669 0 : case 9805:
1670 0 : return CT_Mercator; // 1SP and 2SP not differentiated.
1671 :
1672 0 : case 9806:
1673 0 : return CT_CassiniSoldner;
1674 :
1675 0 : case 9807:
1676 0 : return CT_TransverseMercator;
1677 :
1678 0 : case 9808:
1679 0 : return CT_TransvMercator_SouthOriented;
1680 :
1681 0 : case 9809:
1682 0 : return CT_ObliqueStereographic;
1683 :
1684 0 : case 9810:
1685 0 : return CT_PolarStereographic;
1686 :
1687 0 : case 9811:
1688 0 : return CT_NewZealandMapGrid;
1689 :
1690 0 : case 9812:
1691 0 : return CT_ObliqueMercator; // Is hotine actually different?
1692 :
1693 0 : case 9813:
1694 0 : return CT_ObliqueMercator_Laborde;
1695 :
1696 0 : case 9814:
1697 0 : return CT_ObliqueMercator_Rosenmund; // Swiss.
1698 :
1699 0 : case 9815:
1700 0 : return CT_ObliqueMercator;
1701 :
1702 0 : case 9816: /* tunesia mining grid has no counterpart */
1703 0 : return KvUserDefined;
1704 : }
1705 :
1706 0 : return KvUserDefined;
1707 : }
1708 :
1709 : /* EPSG Codes for projection parameters. Unfortunately, these bear no
1710 : relationship to the GeoTIFF codes even though the names are so similar. */
1711 :
1712 : #define EPSGNatOriginLat 8801
1713 : #define EPSGNatOriginLong 8802
1714 : #define EPSGNatOriginScaleFactor 8805
1715 : #define EPSGFalseEasting 8806
1716 : #define EPSGFalseNorthing 8807
1717 : #define EPSGProjCenterLat 8811
1718 : #define EPSGProjCenterLong 8812
1719 : #define EPSGAzimuth 8813
1720 : #define EPSGAngleRectifiedToSkewedGrid 8814
1721 : #define EPSGInitialLineScaleFactor 8815
1722 : #define EPSGProjCenterEasting 8816
1723 : #define EPSGProjCenterNorthing 8817
1724 : #define EPSGPseudoStdParallelLat 8818
1725 : #define EPSGPseudoStdParallelScaleFactor 8819
1726 : #define EPSGFalseOriginLat 8821
1727 : #define EPSGFalseOriginLong 8822
1728 : #define EPSGStdParallel1Lat 8823
1729 : #define EPSGStdParallel2Lat 8824
1730 : #define EPSGFalseOriginEasting 8826
1731 : #define EPSGFalseOriginNorthing 8827
1732 : #define EPSGSphericalOriginLat 8828
1733 : #define EPSGSphericalOriginLong 8829
1734 : #define EPSGInitialLongitude 8830
1735 : #define EPSGZoneWidth 8831
1736 :
1737 : /************************************************************************/
1738 : /* SetGTParamIds() */
1739 : /* */
1740 : /* This is hardcoded logic to set the GeoTIFF parameter */
1741 : /* identifiers for all the EPSG supported projections. As the */
1742 : /* trf_method.csv table grows with new projections, this code */
1743 : /* will need to be updated. */
1744 : /* Explicitly copied from geo_normalize.c of the GeoTIFF package. */
1745 : /************************************************************************/
1746 :
1747 0 : static int SetGTParamIds(int nCTProjection, int *panProjParamId,
1748 : int *panEPSGCodes)
1749 :
1750 : {
1751 : int anWorkingDummy[7];
1752 :
1753 0 : if (panEPSGCodes == nullptr)
1754 0 : panEPSGCodes = anWorkingDummy;
1755 0 : if (panProjParamId == nullptr)
1756 0 : panProjParamId = anWorkingDummy;
1757 :
1758 0 : memset(panEPSGCodes, 0, sizeof(int) * 7);
1759 :
1760 : /* psDefn->nParms = 7; */
1761 :
1762 0 : switch (nCTProjection)
1763 : {
1764 0 : case CT_CassiniSoldner:
1765 : case CT_NewZealandMapGrid:
1766 0 : panProjParamId[0] = ProjNatOriginLatGeoKey;
1767 0 : panProjParamId[1] = ProjNatOriginLongGeoKey;
1768 0 : panProjParamId[5] = ProjFalseEastingGeoKey;
1769 0 : panProjParamId[6] = ProjFalseNorthingGeoKey;
1770 :
1771 0 : panEPSGCodes[0] = EPSGNatOriginLat;
1772 0 : panEPSGCodes[1] = EPSGNatOriginLong;
1773 0 : panEPSGCodes[5] = EPSGFalseEasting;
1774 0 : panEPSGCodes[6] = EPSGFalseNorthing;
1775 0 : return TRUE;
1776 :
1777 0 : case CT_ObliqueMercator:
1778 0 : panProjParamId[0] = ProjCenterLatGeoKey;
1779 0 : panProjParamId[1] = ProjCenterLongGeoKey;
1780 0 : panProjParamId[2] = ProjAzimuthAngleGeoKey;
1781 0 : panProjParamId[3] = ProjRectifiedGridAngleGeoKey;
1782 0 : panProjParamId[4] = ProjScaleAtCenterGeoKey;
1783 0 : panProjParamId[5] = ProjFalseEastingGeoKey;
1784 0 : panProjParamId[6] = ProjFalseNorthingGeoKey;
1785 :
1786 0 : panEPSGCodes[0] = EPSGProjCenterLat;
1787 0 : panEPSGCodes[1] = EPSGProjCenterLong;
1788 0 : panEPSGCodes[2] = EPSGAzimuth;
1789 0 : panEPSGCodes[3] = EPSGAngleRectifiedToSkewedGrid;
1790 0 : panEPSGCodes[4] = EPSGInitialLineScaleFactor;
1791 0 : panEPSGCodes[5] = EPSGProjCenterEasting;
1792 0 : panEPSGCodes[6] = EPSGProjCenterNorthing;
1793 0 : return TRUE;
1794 :
1795 0 : case CT_ObliqueMercator_Laborde:
1796 0 : panProjParamId[0] = ProjCenterLatGeoKey;
1797 0 : panProjParamId[1] = ProjCenterLongGeoKey;
1798 0 : panProjParamId[2] = ProjAzimuthAngleGeoKey;
1799 0 : panProjParamId[4] = ProjScaleAtCenterGeoKey;
1800 0 : panProjParamId[5] = ProjFalseEastingGeoKey;
1801 0 : panProjParamId[6] = ProjFalseNorthingGeoKey;
1802 :
1803 0 : panEPSGCodes[0] = EPSGProjCenterLat;
1804 0 : panEPSGCodes[1] = EPSGProjCenterLong;
1805 0 : panEPSGCodes[2] = EPSGAzimuth;
1806 0 : panEPSGCodes[4] = EPSGInitialLineScaleFactor;
1807 0 : panEPSGCodes[5] = EPSGProjCenterEasting;
1808 0 : panEPSGCodes[6] = EPSGProjCenterNorthing;
1809 0 : return TRUE;
1810 :
1811 0 : case CT_LambertConfConic_1SP:
1812 : case CT_Mercator:
1813 : case CT_ObliqueStereographic:
1814 : case CT_PolarStereographic:
1815 : case CT_TransverseMercator:
1816 : case CT_TransvMercator_SouthOriented:
1817 0 : panProjParamId[0] = ProjNatOriginLatGeoKey;
1818 0 : panProjParamId[1] = ProjNatOriginLongGeoKey;
1819 0 : panProjParamId[4] = ProjScaleAtNatOriginGeoKey;
1820 0 : panProjParamId[5] = ProjFalseEastingGeoKey;
1821 0 : panProjParamId[6] = ProjFalseNorthingGeoKey;
1822 :
1823 0 : panEPSGCodes[0] = EPSGNatOriginLat;
1824 0 : panEPSGCodes[1] = EPSGNatOriginLong;
1825 0 : panEPSGCodes[4] = EPSGNatOriginScaleFactor;
1826 0 : panEPSGCodes[5] = EPSGFalseEasting;
1827 0 : panEPSGCodes[6] = EPSGFalseNorthing;
1828 0 : return TRUE;
1829 :
1830 0 : case CT_LambertConfConic_2SP:
1831 0 : panProjParamId[0] = ProjFalseOriginLatGeoKey;
1832 0 : panProjParamId[1] = ProjFalseOriginLongGeoKey;
1833 0 : panProjParamId[2] = ProjStdParallel1GeoKey;
1834 0 : panProjParamId[3] = ProjStdParallel2GeoKey;
1835 0 : panProjParamId[5] = ProjFalseEastingGeoKey;
1836 0 : panProjParamId[6] = ProjFalseNorthingGeoKey;
1837 :
1838 0 : panEPSGCodes[0] = EPSGFalseOriginLat;
1839 0 : panEPSGCodes[1] = EPSGFalseOriginLong;
1840 0 : panEPSGCodes[2] = EPSGStdParallel1Lat;
1841 0 : panEPSGCodes[3] = EPSGStdParallel2Lat;
1842 0 : panEPSGCodes[5] = EPSGFalseOriginEasting;
1843 0 : panEPSGCodes[6] = EPSGFalseOriginNorthing;
1844 0 : return TRUE;
1845 :
1846 0 : case CT_SwissObliqueCylindrical:
1847 0 : panProjParamId[0] = ProjCenterLatGeoKey;
1848 0 : panProjParamId[1] = ProjCenterLongGeoKey;
1849 0 : panProjParamId[5] = ProjFalseEastingGeoKey;
1850 0 : panProjParamId[6] = ProjFalseNorthingGeoKey;
1851 :
1852 : /* EPSG codes? */
1853 0 : return TRUE;
1854 :
1855 0 : default:
1856 0 : return FALSE;
1857 : }
1858 : }
1859 :
1860 : static const char *const papszDatumEquiv[] = {
1861 : "Militar_Geographische_Institut",
1862 : "Militar_Geographische_Institute",
1863 : "World_Geodetic_System_1984",
1864 : "WGS_1984",
1865 : "WGS_72_Transit_Broadcast_Ephemeris",
1866 : "WGS_1972_Transit_Broadcast_Ephemeris",
1867 : "World_Geodetic_System_1972",
1868 : "WGS_1972",
1869 : "European_Terrestrial_Reference_System_89",
1870 : "European_Reference_System_1989",
1871 : nullptr};
1872 :
1873 : /************************************************************************/
1874 : /* WKTMassageDatum() */
1875 : /* */
1876 : /* Massage an EPSG datum name into WMT format. Also transform */
1877 : /* specific exception cases into WKT versions. */
1878 : /* Explicitly copied from the gt_wkt_srs.cpp. */
1879 : /************************************************************************/
1880 :
1881 10 : static void WKTMassageDatum(char **ppszDatum)
1882 :
1883 : {
1884 : int i, j;
1885 10 : char *pszDatum = *ppszDatum;
1886 :
1887 10 : if (pszDatum[0] == '\0')
1888 0 : return;
1889 :
1890 : /* -------------------------------------------------------------------- */
1891 : /* Translate non-alphanumeric values to underscores. */
1892 : /* -------------------------------------------------------------------- */
1893 260 : for (i = 0; pszDatum[i] != '\0'; i++)
1894 : {
1895 250 : if (!(pszDatum[i] >= 'A' && pszDatum[i] <= 'Z') &&
1896 220 : !(pszDatum[i] >= 'a' && pszDatum[i] <= 'z') &&
1897 70 : !(pszDatum[i] >= '0' && pszDatum[i] <= '9'))
1898 : {
1899 30 : pszDatum[i] = '_';
1900 : }
1901 : }
1902 :
1903 : /* -------------------------------------------------------------------- */
1904 : /* Remove repeated and trailing underscores. */
1905 : /* -------------------------------------------------------------------- */
1906 250 : for (i = 1, j = 0; pszDatum[i] != '\0'; i++)
1907 : {
1908 240 : if (pszDatum[j] == '_' && pszDatum[i] == '_')
1909 0 : continue;
1910 :
1911 240 : pszDatum[++j] = pszDatum[i];
1912 : }
1913 10 : if (pszDatum[j] == '_')
1914 0 : pszDatum[j] = '\0';
1915 : else
1916 10 : pszDatum[j + 1] = '\0';
1917 :
1918 : /* -------------------------------------------------------------------- */
1919 : /* Search for datum equivalences. Specific massaged names get */
1920 : /* mapped to OpenGIS specified names. */
1921 : /* -------------------------------------------------------------------- */
1922 60 : for (i = 0; papszDatumEquiv[i] != nullptr; i += 2)
1923 : {
1924 50 : if (EQUAL(*ppszDatum, papszDatumEquiv[i]))
1925 : {
1926 0 : CPLFree(*ppszDatum);
1927 0 : *ppszDatum = CPLStrdup(papszDatumEquiv[i + 1]);
1928 0 : return;
1929 : }
1930 : }
1931 : }
1932 :
1933 : /************************************************************************/
1934 : /* FetchProjParams() */
1935 : /* */
1936 : /* Fetch the projection parameters for a particular projection */
1937 : /* from MrSID metadata, and fill the GTIFDefn structure out */
1938 : /* with them. */
1939 : /* Copied from geo_normalize.c of the GeoTIFF package. */
1940 : /************************************************************************/
1941 :
1942 10 : void MrSIDDataset::FetchProjParams()
1943 : {
1944 10 : double dfNatOriginLong = 0.0, dfNatOriginLat = 0.0, dfRectGridAngle = 0.0;
1945 10 : double dfFalseEasting = 0.0, dfFalseNorthing = 0.0, dfNatOriginScale = 1.0;
1946 10 : double dfStdParallel1 = 0.0, dfStdParallel2 = 0.0, dfAzimuth = 0.0;
1947 :
1948 : /* -------------------------------------------------------------------- */
1949 : /* Get the false easting, and northing if available. */
1950 : /* -------------------------------------------------------------------- */
1951 10 : if (!GetMetadataElement("GEOTIFF_NUM::3082::ProjFalseEastingGeoKey",
1952 20 : &dfFalseEasting) &&
1953 10 : !GetMetadataElement("GEOTIFF_NUM::3090:ProjCenterEastingGeoKey",
1954 : &dfFalseEasting))
1955 10 : dfFalseEasting = 0.0;
1956 :
1957 10 : if (!GetMetadataElement("GEOTIFF_NUM::3083::ProjFalseNorthingGeoKey",
1958 20 : &dfFalseNorthing) &&
1959 10 : !GetMetadataElement("GEOTIFF_NUM::3091::ProjCenterNorthingGeoKey",
1960 : &dfFalseNorthing))
1961 10 : dfFalseNorthing = 0.0;
1962 :
1963 10 : switch (psDefn->CTProjection)
1964 : {
1965 : /* --------------------------------------------------------------------
1966 : */
1967 0 : case CT_Stereographic:
1968 : /* --------------------------------------------------------------------
1969 : */
1970 0 : if (GetMetadataElement("GEOTIFF_NUM::3080::ProjNatOriginLongGeoKey",
1971 0 : &dfNatOriginLong) == 0 &&
1972 0 : GetMetadataElement(
1973 : "GEOTIFF_NUM::3084::ProjFalseOriginLongGeoKey",
1974 0 : &dfNatOriginLong) == 0 &&
1975 0 : GetMetadataElement("GEOTIFF_NUM::3088::ProjCenterLongGeoKey",
1976 : &dfNatOriginLong) == 0)
1977 0 : dfNatOriginLong = 0.0;
1978 :
1979 0 : if (GetMetadataElement("GEOTIFF_NUM::3081::ProjNatOriginLatGeoKey",
1980 0 : &dfNatOriginLat) == 0 &&
1981 0 : GetMetadataElement(
1982 : "GEOTIFF_NUM::3085::ProjFalseOriginLatGeoKey",
1983 0 : &dfNatOriginLat) == 0 &&
1984 0 : GetMetadataElement("GEOTIFF_NUM::3089::ProjCenterLatGeoKey",
1985 : &dfNatOriginLat) == 0)
1986 0 : dfNatOriginLat = 0.0;
1987 :
1988 0 : if (GetMetadataElement(
1989 : "GEOTIFF_NUM::3092::ProjScaleAtNatOriginGeoKey",
1990 0 : &dfNatOriginScale) == 0)
1991 0 : dfNatOriginScale = 1.0;
1992 :
1993 : /* notdef: should transform to decimal degrees at this point */
1994 :
1995 0 : psDefn->ProjParm[0] = dfNatOriginLat;
1996 0 : psDefn->ProjParmId[0] = ProjCenterLatGeoKey;
1997 0 : psDefn->ProjParm[1] = dfNatOriginLong;
1998 0 : psDefn->ProjParmId[1] = ProjCenterLongGeoKey;
1999 0 : psDefn->ProjParm[4] = dfNatOriginScale;
2000 0 : psDefn->ProjParmId[4] = ProjScaleAtNatOriginGeoKey;
2001 0 : psDefn->ProjParm[5] = dfFalseEasting;
2002 0 : psDefn->ProjParmId[5] = ProjFalseEastingGeoKey;
2003 0 : psDefn->ProjParm[6] = dfFalseNorthing;
2004 0 : psDefn->ProjParmId[6] = ProjFalseNorthingGeoKey;
2005 :
2006 0 : psDefn->nParms = 7;
2007 0 : break;
2008 :
2009 : /* --------------------------------------------------------------------
2010 : */
2011 10 : case CT_LambertConfConic_1SP:
2012 : case CT_Mercator:
2013 : case CT_ObliqueStereographic:
2014 : case CT_TransverseMercator:
2015 : case CT_TransvMercator_SouthOriented:
2016 : /* --------------------------------------------------------------------
2017 : */
2018 10 : if (GetMetadataElement("GEOTIFF_NUM::3080::ProjNatOriginLongGeoKey",
2019 10 : &dfNatOriginLong) == 0 &&
2020 10 : GetMetadataElement(
2021 : "GEOTIFF_NUM::3084::ProjFalseOriginLongGeoKey",
2022 20 : &dfNatOriginLong) == 0 &&
2023 10 : GetMetadataElement("GEOTIFF_NUM::3088::ProjCenterLongGeoKey",
2024 : &dfNatOriginLong) == 0)
2025 10 : dfNatOriginLong = 0.0;
2026 :
2027 10 : if (GetMetadataElement("GEOTIFF_NUM::3081::ProjNatOriginLatGeoKey",
2028 10 : &dfNatOriginLat) == 0 &&
2029 10 : GetMetadataElement(
2030 : "GEOTIFF_NUM::3085::ProjFalseOriginLatGeoKey",
2031 20 : &dfNatOriginLat) == 0 &&
2032 10 : GetMetadataElement("GEOTIFF_NUM::3089::ProjCenterLatGeoKey",
2033 : &dfNatOriginLat) == 0)
2034 10 : dfNatOriginLat = 0.0;
2035 :
2036 10 : if (GetMetadataElement(
2037 : "GEOTIFF_NUM::3092::ProjScaleAtNatOriginGeoKey",
2038 10 : &dfNatOriginScale) == 0)
2039 10 : dfNatOriginScale = 1.0;
2040 :
2041 : /* notdef: should transform to decimal degrees at this point */
2042 :
2043 10 : psDefn->ProjParm[0] = dfNatOriginLat;
2044 10 : psDefn->ProjParmId[0] = ProjNatOriginLatGeoKey;
2045 10 : psDefn->ProjParm[1] = dfNatOriginLong;
2046 10 : psDefn->ProjParmId[1] = ProjNatOriginLongGeoKey;
2047 10 : psDefn->ProjParm[4] = dfNatOriginScale;
2048 10 : psDefn->ProjParmId[4] = ProjScaleAtNatOriginGeoKey;
2049 10 : psDefn->ProjParm[5] = dfFalseEasting;
2050 10 : psDefn->ProjParmId[5] = ProjFalseEastingGeoKey;
2051 10 : psDefn->ProjParm[6] = dfFalseNorthing;
2052 10 : psDefn->ProjParmId[6] = ProjFalseNorthingGeoKey;
2053 :
2054 10 : psDefn->nParms = 7;
2055 10 : break;
2056 :
2057 : /* --------------------------------------------------------------------
2058 : */
2059 0 : case CT_ObliqueMercator: /* hotine */
2060 : /* --------------------------------------------------------------------
2061 : */
2062 0 : if (GetMetadataElement("GEOTIFF_NUM::3080::ProjNatOriginLongGeoKey",
2063 0 : &dfNatOriginLong) == 0 &&
2064 0 : GetMetadataElement(
2065 : "GEOTIFF_NUM::3084::ProjFalseOriginLongGeoKey",
2066 0 : &dfNatOriginLong) == 0 &&
2067 0 : GetMetadataElement("GEOTIFF_NUM::3088::ProjCenterLongGeoKey",
2068 : &dfNatOriginLong) == 0)
2069 0 : dfNatOriginLong = 0.0;
2070 :
2071 0 : if (GetMetadataElement("GEOTIFF_NUM::3081::ProjNatOriginLatGeoKey",
2072 0 : &dfNatOriginLat) == 0 &&
2073 0 : GetMetadataElement(
2074 : "GEOTIFF_NUM::3085::ProjFalseOriginLatGeoKey",
2075 0 : &dfNatOriginLat) == 0 &&
2076 0 : GetMetadataElement("GEOTIFF_NUM::3089::ProjCenterLatGeoKey",
2077 : &dfNatOriginLat) == 0)
2078 0 : dfNatOriginLat = 0.0;
2079 :
2080 0 : if (GetMetadataElement("GEOTIFF_NUM::3094::ProjAzimuthAngleGeoKey",
2081 0 : &dfAzimuth) == 0)
2082 0 : dfAzimuth = 0.0;
2083 :
2084 0 : if (GetMetadataElement(
2085 : "GEOTIFF_NUM::3096::ProjRectifiedGridAngleGeoKey",
2086 0 : &dfRectGridAngle) == 0)
2087 0 : dfRectGridAngle = 90.0;
2088 :
2089 0 : if (GetMetadataElement(
2090 : "GEOTIFF_NUM::3092::ProjScaleAtNatOriginGeoKey",
2091 0 : &dfNatOriginScale) == 0 &&
2092 0 : GetMetadataElement("GEOTIFF_NUM::3093::ProjScaleAtCenterGeoKey",
2093 : &dfNatOriginScale) == 0)
2094 0 : dfNatOriginScale = 1.0;
2095 :
2096 : /* notdef: should transform to decimal degrees at this point */
2097 :
2098 0 : psDefn->ProjParm[0] = dfNatOriginLat;
2099 0 : psDefn->ProjParmId[0] = ProjCenterLatGeoKey;
2100 0 : psDefn->ProjParm[1] = dfNatOriginLong;
2101 0 : psDefn->ProjParmId[1] = ProjCenterLongGeoKey;
2102 0 : psDefn->ProjParm[2] = dfAzimuth;
2103 0 : psDefn->ProjParmId[2] = ProjAzimuthAngleGeoKey;
2104 0 : psDefn->ProjParm[3] = dfRectGridAngle;
2105 0 : psDefn->ProjParmId[3] = ProjRectifiedGridAngleGeoKey;
2106 0 : psDefn->ProjParm[4] = dfNatOriginScale;
2107 0 : psDefn->ProjParmId[4] = ProjScaleAtCenterGeoKey;
2108 0 : psDefn->ProjParm[5] = dfFalseEasting;
2109 0 : psDefn->ProjParmId[5] = ProjFalseEastingGeoKey;
2110 0 : psDefn->ProjParm[6] = dfFalseNorthing;
2111 0 : psDefn->ProjParmId[6] = ProjFalseNorthingGeoKey;
2112 :
2113 0 : psDefn->nParms = 7;
2114 0 : break;
2115 :
2116 : /* --------------------------------------------------------------------
2117 : */
2118 0 : case CT_CassiniSoldner:
2119 : case CT_Polyconic:
2120 : /* --------------------------------------------------------------------
2121 : */
2122 0 : if (GetMetadataElement("GEOTIFF_NUM::3080::ProjNatOriginLongGeoKey",
2123 0 : &dfNatOriginLong) == 0 &&
2124 0 : GetMetadataElement(
2125 : "GEOTIFF_NUM::3084::ProjFalseOriginLongGeoKey",
2126 0 : &dfNatOriginLong) == 0 &&
2127 0 : GetMetadataElement("GEOTIFF_NUM::3088::ProjCenterLongGeoKey",
2128 : &dfNatOriginLong) == 0)
2129 0 : dfNatOriginLong = 0.0;
2130 :
2131 0 : if (GetMetadataElement("GEOTIFF_NUM::3081::ProjNatOriginLatGeoKey",
2132 0 : &dfNatOriginLat) == 0 &&
2133 0 : GetMetadataElement(
2134 : "GEOTIFF_NUM::3085::ProjFalseOriginLatGeoKey",
2135 0 : &dfNatOriginLat) == 0 &&
2136 0 : GetMetadataElement("GEOTIFF_NUM::3089::ProjCenterLatGeoKey",
2137 : &dfNatOriginLat) == 0)
2138 0 : dfNatOriginLat = 0.0;
2139 :
2140 0 : if (GetMetadataElement(
2141 : "GEOTIFF_NUM::3092::ProjScaleAtNatOriginGeoKey",
2142 0 : &dfNatOriginScale) == 0 &&
2143 0 : GetMetadataElement("GEOTIFF_NUM::3093::ProjScaleAtCenterGeoKey",
2144 : &dfNatOriginScale) == 0)
2145 0 : dfNatOriginScale = 1.0;
2146 :
2147 : /* notdef: should transform to decimal degrees at this point */
2148 :
2149 0 : psDefn->ProjParm[0] = dfNatOriginLat;
2150 0 : psDefn->ProjParmId[0] = ProjNatOriginLatGeoKey;
2151 0 : psDefn->ProjParm[1] = dfNatOriginLong;
2152 0 : psDefn->ProjParmId[1] = ProjNatOriginLongGeoKey;
2153 0 : psDefn->ProjParm[4] = dfNatOriginScale;
2154 0 : psDefn->ProjParmId[4] = ProjScaleAtNatOriginGeoKey;
2155 0 : psDefn->ProjParm[5] = dfFalseEasting;
2156 0 : psDefn->ProjParmId[5] = ProjFalseEastingGeoKey;
2157 0 : psDefn->ProjParm[6] = dfFalseNorthing;
2158 0 : psDefn->ProjParmId[6] = ProjFalseNorthingGeoKey;
2159 :
2160 0 : psDefn->nParms = 7;
2161 0 : break;
2162 :
2163 : /* --------------------------------------------------------------------
2164 : */
2165 0 : case CT_AzimuthalEquidistant:
2166 : case CT_MillerCylindrical:
2167 : case CT_Equirectangular:
2168 : case CT_Gnomonic:
2169 : case CT_LambertAzimEqualArea:
2170 : case CT_Orthographic:
2171 : /* --------------------------------------------------------------------
2172 : */
2173 0 : if (GetMetadataElement("GEOTIFF_NUM::3080::ProjNatOriginLongGeoKey",
2174 0 : &dfNatOriginLong) == 0 &&
2175 0 : GetMetadataElement(
2176 : "GEOTIFF_NUM::3084::ProjFalseOriginLongGeoKey",
2177 0 : &dfNatOriginLong) == 0 &&
2178 0 : GetMetadataElement("GEOTIFF_NUM::3088::ProjCenterLongGeoKey",
2179 : &dfNatOriginLong) == 0)
2180 0 : dfNatOriginLong = 0.0;
2181 :
2182 0 : if (GetMetadataElement("GEOTIFF_NUM::3081::ProjNatOriginLatGeoKey",
2183 0 : &dfNatOriginLat) == 0 &&
2184 0 : GetMetadataElement(
2185 : "GEOTIFF_NUM::3085::ProjFalseOriginLatGeoKey",
2186 0 : &dfNatOriginLat) == 0 &&
2187 0 : GetMetadataElement("GEOTIFF_NUM::3089::ProjCenterLatGeoKey",
2188 : &dfNatOriginLat) == 0)
2189 0 : dfNatOriginLat = 0.0;
2190 :
2191 : /* notdef: should transform to decimal degrees at this point */
2192 :
2193 0 : psDefn->ProjParm[0] = dfNatOriginLat;
2194 0 : psDefn->ProjParmId[0] = ProjCenterLatGeoKey;
2195 0 : psDefn->ProjParm[1] = dfNatOriginLong;
2196 0 : psDefn->ProjParmId[1] = ProjCenterLongGeoKey;
2197 0 : psDefn->ProjParm[5] = dfFalseEasting;
2198 0 : psDefn->ProjParmId[5] = ProjFalseEastingGeoKey;
2199 0 : psDefn->ProjParm[6] = dfFalseNorthing;
2200 0 : psDefn->ProjParmId[6] = ProjFalseNorthingGeoKey;
2201 :
2202 0 : psDefn->nParms = 7;
2203 0 : break;
2204 :
2205 : /* --------------------------------------------------------------------
2206 : */
2207 0 : case CT_Robinson:
2208 : case CT_Sinusoidal:
2209 : case CT_VanDerGrinten:
2210 : /* --------------------------------------------------------------------
2211 : */
2212 0 : if (GetMetadataElement("GEOTIFF_NUM::3080::ProjNatOriginLongGeoKey",
2213 0 : &dfNatOriginLong) == 0 &&
2214 0 : GetMetadataElement(
2215 : "GEOTIFF_NUM::3084::ProjFalseOriginLongGeoKey",
2216 0 : &dfNatOriginLong) == 0 &&
2217 0 : GetMetadataElement("GEOTIFF_NUM::3088::ProjCenterLongGeoKey",
2218 : &dfNatOriginLong) == 0)
2219 0 : dfNatOriginLong = 0.0;
2220 :
2221 : /* notdef: should transform to decimal degrees at this point */
2222 :
2223 0 : psDefn->ProjParm[1] = dfNatOriginLong;
2224 0 : psDefn->ProjParmId[1] = ProjCenterLongGeoKey;
2225 0 : psDefn->ProjParm[5] = dfFalseEasting;
2226 0 : psDefn->ProjParmId[5] = ProjFalseEastingGeoKey;
2227 0 : psDefn->ProjParm[6] = dfFalseNorthing;
2228 0 : psDefn->ProjParmId[6] = ProjFalseNorthingGeoKey;
2229 :
2230 0 : psDefn->nParms = 7;
2231 0 : break;
2232 :
2233 : /* --------------------------------------------------------------------
2234 : */
2235 0 : case CT_PolarStereographic:
2236 : /* --------------------------------------------------------------------
2237 : */
2238 0 : if (GetMetadataElement(
2239 : "GEOTIFF_NUM::3095::ProjStraightVertPoleLongGeoKey",
2240 0 : &dfNatOriginLong) == 0 &&
2241 0 : GetMetadataElement("GEOTIFF_NUM::3080::ProjNatOriginLongGeoKey",
2242 0 : &dfNatOriginLong) == 0 &&
2243 0 : GetMetadataElement(
2244 : "GEOTIFF_NUM::3084::ProjFalseOriginLongGeoKey",
2245 0 : &dfNatOriginLong) == 0 &&
2246 0 : GetMetadataElement("GEOTIFF_NUM::3088::ProjCenterLongGeoKey",
2247 : &dfNatOriginLong) == 0)
2248 0 : dfNatOriginLong = 0.0;
2249 :
2250 0 : if (GetMetadataElement("GEOTIFF_NUM::3081::ProjNatOriginLatGeoKey",
2251 0 : &dfNatOriginLat) == 0 &&
2252 0 : GetMetadataElement(
2253 : "GEOTIFF_NUM::3085::ProjFalseOriginLatGeoKey",
2254 0 : &dfNatOriginLat) == 0 &&
2255 0 : GetMetadataElement("GEOTIFF_NUM::3089::ProjCenterLatGeoKey",
2256 : &dfNatOriginLat) == 0)
2257 0 : dfNatOriginLat = 0.0;
2258 :
2259 0 : if (GetMetadataElement(
2260 : "GEOTIFF_NUM::3092::ProjScaleAtNatOriginGeoKey",
2261 0 : &dfNatOriginScale) == 0 &&
2262 0 : GetMetadataElement("GEOTIFF_NUM::3093::ProjScaleAtCenterGeoKey",
2263 : &dfNatOriginScale) == 0)
2264 0 : dfNatOriginScale = 1.0;
2265 :
2266 : /* notdef: should transform to decimal degrees at this point */
2267 :
2268 0 : psDefn->ProjParm[0] = dfNatOriginLat;
2269 0 : psDefn->ProjParmId[0] = ProjNatOriginLatGeoKey;
2270 0 : psDefn->ProjParm[1] = dfNatOriginLong;
2271 0 : psDefn->ProjParmId[1] = ProjStraightVertPoleLongGeoKey;
2272 0 : psDefn->ProjParm[4] = dfNatOriginScale;
2273 0 : psDefn->ProjParmId[4] = ProjScaleAtNatOriginGeoKey;
2274 0 : psDefn->ProjParm[5] = dfFalseEasting;
2275 0 : psDefn->ProjParmId[5] = ProjFalseEastingGeoKey;
2276 0 : psDefn->ProjParm[6] = dfFalseNorthing;
2277 0 : psDefn->ProjParmId[6] = ProjFalseNorthingGeoKey;
2278 :
2279 0 : psDefn->nParms = 7;
2280 0 : break;
2281 :
2282 : /* --------------------------------------------------------------------
2283 : */
2284 0 : case CT_LambertConfConic_2SP:
2285 : /* --------------------------------------------------------------------
2286 : */
2287 0 : if (GetMetadataElement("GEOTIFF_NUM::3078::ProjStdParallel1GeoKey",
2288 0 : &dfStdParallel1) == 0)
2289 0 : dfStdParallel1 = 0.0;
2290 :
2291 0 : if (GetMetadataElement("GEOTIFF_NUM::3079::ProjStdParallel2GeoKey",
2292 0 : &dfStdParallel2) == 0)
2293 0 : dfStdParallel1 = 0.0;
2294 :
2295 0 : if (GetMetadataElement("GEOTIFF_NUM::3080::ProjNatOriginLongGeoKey",
2296 0 : &dfNatOriginLong) == 0 &&
2297 0 : GetMetadataElement(
2298 : "GEOTIFF_NUM::3084::ProjFalseOriginLongGeoKey",
2299 0 : &dfNatOriginLong) == 0 &&
2300 0 : GetMetadataElement("GEOTIFF_NUM::3088::ProjCenterLongGeoKey",
2301 : &dfNatOriginLong) == 0)
2302 0 : dfNatOriginLong = 0.0;
2303 :
2304 0 : if (GetMetadataElement("GEOTIFF_NUM::3081::ProjNatOriginLatGeoKey",
2305 0 : &dfNatOriginLat) == 0 &&
2306 0 : GetMetadataElement(
2307 : "GEOTIFF_NUM::3085::ProjFalseOriginLatGeoKey",
2308 0 : &dfNatOriginLat) == 0 &&
2309 0 : GetMetadataElement("GEOTIFF_NUM::3089::ProjCenterLatGeoKey",
2310 : &dfNatOriginLat) == 0)
2311 0 : dfNatOriginLat = 0.0;
2312 :
2313 : /* notdef: should transform to decimal degrees at this point */
2314 :
2315 0 : psDefn->ProjParm[0] = dfNatOriginLat;
2316 0 : psDefn->ProjParmId[0] = ProjFalseOriginLatGeoKey;
2317 0 : psDefn->ProjParm[1] = dfNatOriginLong;
2318 0 : psDefn->ProjParmId[1] = ProjFalseOriginLongGeoKey;
2319 0 : psDefn->ProjParm[2] = dfStdParallel1;
2320 0 : psDefn->ProjParmId[2] = ProjStdParallel1GeoKey;
2321 0 : psDefn->ProjParm[3] = dfStdParallel2;
2322 0 : psDefn->ProjParmId[3] = ProjStdParallel2GeoKey;
2323 0 : psDefn->ProjParm[5] = dfFalseEasting;
2324 0 : psDefn->ProjParmId[5] = ProjFalseEastingGeoKey;
2325 0 : psDefn->ProjParm[6] = dfFalseNorthing;
2326 0 : psDefn->ProjParmId[6] = ProjFalseNorthingGeoKey;
2327 :
2328 0 : psDefn->nParms = 7;
2329 0 : break;
2330 :
2331 : /* --------------------------------------------------------------------
2332 : */
2333 0 : case CT_AlbersEqualArea:
2334 : case CT_EquidistantConic:
2335 : /* --------------------------------------------------------------------
2336 : */
2337 0 : if (GetMetadataElement("GEOTIFF_NUM::3078::ProjStdParallel1GeoKey",
2338 0 : &dfStdParallel1) == 0)
2339 0 : dfStdParallel1 = 0.0;
2340 :
2341 0 : if (GetMetadataElement("GEOTIFF_NUM::3079::ProjStdParallel2GeoKey",
2342 0 : &dfStdParallel2) == 0)
2343 0 : dfStdParallel1 = 0.0;
2344 :
2345 0 : if (GetMetadataElement("GEOTIFF_NUM::3080::ProjNatOriginLongGeoKey",
2346 0 : &dfNatOriginLong) == 0 &&
2347 0 : GetMetadataElement(
2348 : "GEOTIFF_NUM::3084::ProjFalseOriginLongGeoKey",
2349 0 : &dfNatOriginLong) == 0 &&
2350 0 : GetMetadataElement("GEOTIFF_NUM::3088::ProjCenterLongGeoKey",
2351 : &dfNatOriginLong) == 0)
2352 0 : dfNatOriginLong = 0.0;
2353 :
2354 0 : if (GetMetadataElement("GEOTIFF_NUM::3081::ProjNatOriginLatGeoKey",
2355 0 : &dfNatOriginLat) == 0 &&
2356 0 : GetMetadataElement(
2357 : "GEOTIFF_NUM::3085::ProjFalseOriginLatGeoKey",
2358 0 : &dfNatOriginLat) == 0 &&
2359 0 : GetMetadataElement("GEOTIFF_NUM::3089::ProjCenterLatGeoKey",
2360 : &dfNatOriginLat) == 0)
2361 0 : dfNatOriginLat = 0.0;
2362 :
2363 : /* notdef: should transform to decimal degrees at this point */
2364 :
2365 0 : psDefn->ProjParm[0] = dfStdParallel1;
2366 0 : psDefn->ProjParmId[0] = ProjStdParallel1GeoKey;
2367 0 : psDefn->ProjParm[1] = dfStdParallel2;
2368 0 : psDefn->ProjParmId[1] = ProjStdParallel2GeoKey;
2369 0 : psDefn->ProjParm[2] = dfNatOriginLat;
2370 0 : psDefn->ProjParmId[2] = ProjNatOriginLatGeoKey;
2371 0 : psDefn->ProjParm[3] = dfNatOriginLong;
2372 0 : psDefn->ProjParmId[3] = ProjNatOriginLongGeoKey;
2373 0 : psDefn->ProjParm[5] = dfFalseEasting;
2374 0 : psDefn->ProjParmId[5] = ProjFalseEastingGeoKey;
2375 0 : psDefn->ProjParm[6] = dfFalseNorthing;
2376 0 : psDefn->ProjParmId[6] = ProjFalseNorthingGeoKey;
2377 :
2378 0 : psDefn->nParms = 7;
2379 0 : break;
2380 : }
2381 10 : }
2382 :
2383 : /************************************************************************/
2384 : /* GetGTIFDefn() */
2385 : /* This function borrowed from the GTIFGetDefn() function. */
2386 : /* See geo_normalize.c from the GeoTIFF package. */
2387 : /************************************************************************/
2388 :
2389 12 : void MrSIDDataset::GetGTIFDefn()
2390 : {
2391 : double dfInvFlattening;
2392 :
2393 : /* -------------------------------------------------------------------- */
2394 : /* Make sure we have hooked CSV lookup for GDAL_DATA. */
2395 : /* -------------------------------------------------------------------- */
2396 12 : LibgeotiffOneTimeInit();
2397 :
2398 : /* -------------------------------------------------------------------- */
2399 : /* Initially we default all the information we can. */
2400 : /* -------------------------------------------------------------------- */
2401 12 : psDefn = new (GTIFDefn);
2402 12 : psDefn->Model = KvUserDefined;
2403 12 : psDefn->PCS = KvUserDefined;
2404 12 : psDefn->GCS = KvUserDefined;
2405 12 : psDefn->UOMLength = KvUserDefined;
2406 12 : psDefn->UOMLengthInMeters = 1.0;
2407 12 : psDefn->UOMAngle = KvUserDefined;
2408 12 : psDefn->UOMAngleInDegrees = 1.0;
2409 12 : psDefn->Datum = KvUserDefined;
2410 12 : psDefn->Ellipsoid = KvUserDefined;
2411 12 : psDefn->SemiMajor = 0.0;
2412 12 : psDefn->SemiMinor = 0.0;
2413 12 : psDefn->PM = KvUserDefined;
2414 12 : psDefn->PMLongToGreenwich = 0.0;
2415 :
2416 12 : psDefn->ProjCode = KvUserDefined;
2417 12 : psDefn->Projection = KvUserDefined;
2418 12 : psDefn->CTProjection = KvUserDefined;
2419 :
2420 12 : psDefn->nParms = 0;
2421 132 : for (int i = 0; i < MAX_GTIF_PROJPARMS; i++)
2422 : {
2423 120 : psDefn->ProjParm[i] = 0.0;
2424 120 : psDefn->ProjParmId[i] = 0;
2425 : }
2426 :
2427 12 : psDefn->MapSys = KvUserDefined;
2428 12 : psDefn->Zone = 0;
2429 :
2430 : /* -------------------------------------------------------------------- */
2431 : /* Try to get the overall model type. */
2432 : /* -------------------------------------------------------------------- */
2433 12 : GetMetadataElement("GEOTIFF_NUM::1024::GTModelTypeGeoKey",
2434 12 : &(psDefn->Model));
2435 :
2436 : /* -------------------------------------------------------------------- */
2437 : /* Try to get a PCS. */
2438 : /* -------------------------------------------------------------------- */
2439 36 : if (GetMetadataElement("GEOTIFF_NUM::3072::ProjectedCSTypeGeoKey",
2440 22 : &(psDefn->PCS)) &&
2441 10 : psDefn->PCS != KvUserDefined)
2442 : {
2443 : /*
2444 : * Translate this into useful information.
2445 : */
2446 0 : GTIFGetPCSInfo(psDefn->PCS, nullptr, &(psDefn->ProjCode),
2447 0 : &(psDefn->UOMLength), &(psDefn->GCS));
2448 : }
2449 :
2450 : /* -------------------------------------------------------------------- */
2451 : /* If we have the PCS code, but didn't find it in the CSV files */
2452 : /* (likely because we can't find them) we will try some ``jiffy */
2453 : /* rules'' for UTM and state plane. */
2454 : /* -------------------------------------------------------------------- */
2455 12 : if (psDefn->PCS != KvUserDefined && psDefn->ProjCode == KvUserDefined)
2456 : {
2457 : int nMapSys, nZone;
2458 0 : int nGCS = psDefn->GCS;
2459 :
2460 0 : nMapSys = GTIFPCSToMapSys(psDefn->PCS, &nGCS, &nZone);
2461 0 : if (nMapSys != KvUserDefined)
2462 : {
2463 0 : psDefn->ProjCode = (short)GTIFMapSysToProj(nMapSys, nZone);
2464 0 : psDefn->GCS = (short)nGCS;
2465 : }
2466 : }
2467 :
2468 : /* -------------------------------------------------------------------- */
2469 : /* If the Proj_ code is specified directly, use that. */
2470 : /* -------------------------------------------------------------------- */
2471 12 : if (psDefn->ProjCode == KvUserDefined)
2472 12 : GetMetadataElement("GEOTIFF_NUM::3074::ProjectionGeoKey",
2473 12 : &(psDefn->ProjCode));
2474 :
2475 12 : if (psDefn->ProjCode != KvUserDefined)
2476 : {
2477 : /*
2478 : * We have an underlying projection transformation value. Look
2479 : * this up. For a PCS of ``WGS 84 / UTM 11'' the transformation
2480 : * would be Transverse Mercator, with a particular set of options.
2481 : * The nProjTRFCode itself would correspond to the name
2482 : * ``UTM zone 11N'', and doesn't include datum info.
2483 : */
2484 0 : GTIFGetProjTRFInfo(psDefn->ProjCode, nullptr, &(psDefn->Projection),
2485 0 : psDefn->ProjParm);
2486 :
2487 : /*
2488 : * Set the GeoTIFF identity of the parameters.
2489 : */
2490 0 : psDefn->CTProjection =
2491 0 : (short)EPSGProjMethodToCTProjMethod(psDefn->Projection);
2492 :
2493 0 : SetGTParamIds(psDefn->CTProjection, psDefn->ProjParmId, nullptr);
2494 0 : psDefn->nParms = 7;
2495 : }
2496 :
2497 : /* -------------------------------------------------------------------- */
2498 : /* Try to get a GCS. If found, it will override any implied by */
2499 : /* the PCS. */
2500 : /* -------------------------------------------------------------------- */
2501 12 : GetMetadataElement("GEOTIFF_NUM::2048::GeographicTypeGeoKey",
2502 12 : &(psDefn->GCS));
2503 :
2504 : /* -------------------------------------------------------------------- */
2505 : /* Derive the datum, and prime meridian from the GCS. */
2506 : /* -------------------------------------------------------------------- */
2507 12 : if (psDefn->GCS != KvUserDefined)
2508 : {
2509 10 : GTIFGetGCSInfo(psDefn->GCS, nullptr, &(psDefn->Datum), &(psDefn->PM),
2510 10 : &(psDefn->UOMAngle));
2511 : }
2512 :
2513 : /* -------------------------------------------------------------------- */
2514 : /* Handle the GCS angular units. GeogAngularUnitsGeoKey */
2515 : /* overrides the GCS or PCS setting. */
2516 : /* -------------------------------------------------------------------- */
2517 12 : GetMetadataElement("GEOTIFF_NUM::2054::GeogAngularUnitsGeoKey",
2518 12 : &(psDefn->UOMAngle));
2519 12 : if (psDefn->UOMAngle != KvUserDefined)
2520 : {
2521 10 : GTIFGetUOMAngleInfo(psDefn->UOMAngle, nullptr,
2522 10 : &(psDefn->UOMAngleInDegrees));
2523 : }
2524 :
2525 : /* -------------------------------------------------------------------- */
2526 : /* Check for a datum setting, and then use the datum to derive */
2527 : /* an ellipsoid. */
2528 : /* -------------------------------------------------------------------- */
2529 12 : GetMetadataElement("GEOTIFF_NUM::2050::GeogGeodeticDatumGeoKey",
2530 12 : &(psDefn->Datum));
2531 :
2532 12 : if (psDefn->Datum != KvUserDefined)
2533 : {
2534 10 : GTIFGetDatumInfo(psDefn->Datum, nullptr, &(psDefn->Ellipsoid));
2535 : }
2536 :
2537 : /* -------------------------------------------------------------------- */
2538 : /* Check for an explicit ellipsoid. Use the ellipsoid to */
2539 : /* derive the ellipsoid characteristics, if possible. */
2540 : /* -------------------------------------------------------------------- */
2541 12 : GetMetadataElement("GEOTIFF_NUM::2056::GeogEllipsoidGeoKey",
2542 12 : &(psDefn->Ellipsoid));
2543 :
2544 12 : if (psDefn->Ellipsoid != KvUserDefined)
2545 : {
2546 10 : GTIFGetEllipsoidInfo(psDefn->Ellipsoid, nullptr, &(psDefn->SemiMajor),
2547 10 : &(psDefn->SemiMinor));
2548 : }
2549 :
2550 : /* -------------------------------------------------------------------- */
2551 : /* Check for overridden ellipsoid parameters. It would be nice */
2552 : /* to warn if they conflict with provided information, but for */
2553 : /* now we just override. */
2554 : /* -------------------------------------------------------------------- */
2555 12 : GetMetadataElement("GEOTIFF_NUM::2057::GeogSemiMajorAxisGeoKey",
2556 12 : &(psDefn->SemiMajor));
2557 12 : GetMetadataElement("GEOTIFF_NUM::2058::GeogSemiMinorAxisGeoKey",
2558 12 : &(psDefn->SemiMinor));
2559 :
2560 12 : if (GetMetadataElement("GEOTIFF_NUM::2059::GeogInvFlatteningGeoKey",
2561 12 : &dfInvFlattening) == 1)
2562 : {
2563 0 : if (dfInvFlattening != 0.0)
2564 0 : psDefn->SemiMinor = OSRCalcSemiMinorFromInvFlattening(
2565 0 : psDefn->SemiMajor, dfInvFlattening);
2566 : }
2567 :
2568 : /* -------------------------------------------------------------------- */
2569 : /* Get the prime meridian info. */
2570 : /* -------------------------------------------------------------------- */
2571 12 : GetMetadataElement("GEOTIFF_NUM::2051::GeogPrimeMeridianGeoKey",
2572 12 : &(psDefn->PM));
2573 :
2574 12 : if (psDefn->PM != KvUserDefined)
2575 : {
2576 10 : GTIFGetPMInfo(psDefn->PM, nullptr, &(psDefn->PMLongToGreenwich));
2577 : }
2578 : else
2579 : {
2580 2 : GetMetadataElement("GEOTIFF_NUM::2061::GeogPrimeMeridianLongGeoKey",
2581 2 : &(psDefn->PMLongToGreenwich));
2582 :
2583 4 : psDefn->PMLongToGreenwich =
2584 2 : GTIFAngleToDD(psDefn->PMLongToGreenwich, psDefn->UOMAngle);
2585 : }
2586 :
2587 : /* -------------------------------------------------------------------- */
2588 : /* Have the projection units of measure been overridden? We */
2589 : /* should likely be doing something about angular units too, */
2590 : /* but these are very rarely not decimal degrees for actual */
2591 : /* file coordinates. */
2592 : /* -------------------------------------------------------------------- */
2593 12 : GetMetadataElement("GEOTIFF_NUM::3076::ProjLinearUnitsGeoKey",
2594 12 : &(psDefn->UOMLength));
2595 :
2596 12 : if (psDefn->UOMLength != KvUserDefined)
2597 : {
2598 10 : GTIFGetUOMLengthInfo(psDefn->UOMLength, nullptr,
2599 10 : &(psDefn->UOMLengthInMeters));
2600 : }
2601 :
2602 : /* -------------------------------------------------------------------- */
2603 : /* Handle a variety of user defined transform types. */
2604 : /* -------------------------------------------------------------------- */
2605 24 : if (GetMetadataElement("GEOTIFF_NUM::3075::ProjCoordTransGeoKey",
2606 12 : &(psDefn->CTProjection)))
2607 : {
2608 10 : FetchProjParams();
2609 : }
2610 :
2611 : /* -------------------------------------------------------------------- */
2612 : /* Try to set the zoned map system information. */
2613 : /* -------------------------------------------------------------------- */
2614 12 : psDefn->MapSys = GTIFProjToMapSys(psDefn->ProjCode, &(psDefn->Zone));
2615 :
2616 : /* -------------------------------------------------------------------- */
2617 : /* If this is UTM, and we were unable to extract the projection */
2618 : /* parameters from the CSV file, just set them directly now, */
2619 : /* since it is pretty easy, and a common case. */
2620 : /* -------------------------------------------------------------------- */
2621 12 : if ((psDefn->MapSys == MapSys_UTM_North ||
2622 12 : psDefn->MapSys == MapSys_UTM_South) &&
2623 0 : psDefn->CTProjection == KvUserDefined)
2624 : {
2625 0 : psDefn->CTProjection = CT_TransverseMercator;
2626 0 : psDefn->nParms = 7;
2627 0 : psDefn->ProjParmId[0] = ProjNatOriginLatGeoKey;
2628 0 : psDefn->ProjParm[0] = 0.0;
2629 :
2630 0 : psDefn->ProjParmId[1] = ProjNatOriginLongGeoKey;
2631 0 : psDefn->ProjParm[1] = psDefn->Zone * 6 - 183.0;
2632 :
2633 0 : psDefn->ProjParmId[4] = ProjScaleAtNatOriginGeoKey;
2634 0 : psDefn->ProjParm[4] = 0.9996;
2635 :
2636 0 : psDefn->ProjParmId[5] = ProjFalseEastingGeoKey;
2637 0 : psDefn->ProjParm[5] = 500000.0;
2638 :
2639 0 : psDefn->ProjParmId[6] = ProjFalseNorthingGeoKey;
2640 :
2641 0 : if (psDefn->MapSys == MapSys_UTM_North)
2642 0 : psDefn->ProjParm[6] = 0.0;
2643 : else
2644 0 : psDefn->ProjParm[6] = 10000000.0;
2645 : }
2646 :
2647 12 : char *pszProjection = GetOGISDefn(psDefn);
2648 12 : if (pszProjection)
2649 : {
2650 12 : m_oSRS.importFromWkt(pszProjection);
2651 12 : m_oSRS.SetAxisMappingStrategy(OAMS_TRADITIONAL_GIS_ORDER);
2652 : }
2653 12 : CPLFree(pszProjection);
2654 12 : }
2655 :
2656 : /************************************************************************/
2657 : /* GTIFToCPLRecyleString() */
2658 : /* */
2659 : /* This changes a string from the libgeotiff heap to the GDAL */
2660 : /* heap. */
2661 : /************************************************************************/
2662 :
2663 50 : static void GTIFToCPLRecycleString(char **ppszTarget)
2664 :
2665 : {
2666 50 : if (*ppszTarget == nullptr)
2667 0 : return;
2668 :
2669 50 : char *pszTempString = CPLStrdup(*ppszTarget);
2670 50 : GTIFFreeMemory(*ppszTarget);
2671 50 : *ppszTarget = pszTempString;
2672 : }
2673 :
2674 : /************************************************************************/
2675 : /* GetOGISDefn() */
2676 : /* Copied from the gt_wkt_srs.cpp. */
2677 : /************************************************************************/
2678 :
2679 12 : char *MrSIDDataset::GetOGISDefn(GTIFDefn *psDefnIn)
2680 : {
2681 24 : OGRSpatialReference oSRS;
2682 :
2683 12 : if (psDefnIn->Model != ModelTypeProjected &&
2684 2 : psDefnIn->Model != ModelTypeGeographic)
2685 2 : return CPLStrdup("");
2686 :
2687 : /* -------------------------------------------------------------------- */
2688 : /* If this is a projected SRS we set the PROJCS keyword first */
2689 : /* to ensure that the GEOGCS will be a child. */
2690 : /* -------------------------------------------------------------------- */
2691 10 : if (psDefnIn->Model == ModelTypeProjected)
2692 : {
2693 10 : int bPCSNameSet = FALSE;
2694 :
2695 10 : if (psDefnIn->PCS != KvUserDefined)
2696 : {
2697 0 : char *pszPCSName = nullptr;
2698 :
2699 0 : if (GTIFGetPCSInfo(psDefnIn->PCS, &pszPCSName, nullptr, nullptr,
2700 0 : nullptr))
2701 0 : bPCSNameSet = TRUE;
2702 :
2703 0 : oSRS.SetNode("PROJCS", bPCSNameSet ? pszPCSName : "unnamed");
2704 0 : if (bPCSNameSet)
2705 0 : GTIFFreeMemory(pszPCSName);
2706 :
2707 0 : oSRS.SetAuthority("PROJCS", "EPSG", psDefnIn->PCS);
2708 : }
2709 : else
2710 : {
2711 : char szPCSName[200];
2712 10 : strcpy(szPCSName, "unnamed");
2713 10 : if (GetMetadataElement("GEOTIFF_NUM::1026::GTCitationGeoKey",
2714 10 : szPCSName, sizeof(szPCSName)))
2715 10 : oSRS.SetNode("PROJCS", szPCSName);
2716 : }
2717 : }
2718 :
2719 : /* ==================================================================== */
2720 : /* Setup the GeogCS */
2721 : /* ==================================================================== */
2722 10 : char *pszGeogName = nullptr;
2723 10 : char *pszDatumName = nullptr;
2724 10 : char *pszPMName = nullptr;
2725 10 : char *pszSpheroidName = nullptr;
2726 10 : char *pszAngularUnits = nullptr;
2727 : double dfInvFlattening, dfSemiMajor;
2728 : char szGCSName[200];
2729 :
2730 10 : if (GetMetadataElement("GEOTIFF_NUM::2049::GeogCitationGeoKey", szGCSName,
2731 10 : sizeof(szGCSName)))
2732 0 : pszGeogName = CPLStrdup(szGCSName);
2733 : else
2734 : {
2735 10 : GTIFGetGCSInfo(psDefnIn->GCS, &pszGeogName, nullptr, nullptr, nullptr);
2736 10 : GTIFToCPLRecycleString(&pszGeogName);
2737 : }
2738 10 : GTIFGetDatumInfo(psDefnIn->Datum, &pszDatumName, nullptr);
2739 10 : GTIFToCPLRecycleString(&pszDatumName);
2740 10 : GTIFGetPMInfo(psDefnIn->PM, &pszPMName, nullptr);
2741 10 : GTIFToCPLRecycleString(&pszPMName);
2742 10 : GTIFGetEllipsoidInfo(psDefnIn->Ellipsoid, &pszSpheroidName, nullptr,
2743 : nullptr);
2744 10 : GTIFToCPLRecycleString(&pszSpheroidName);
2745 :
2746 10 : GTIFGetUOMAngleInfo(psDefnIn->UOMAngle, &pszAngularUnits, nullptr);
2747 10 : GTIFToCPLRecycleString(&pszAngularUnits);
2748 10 : if (pszAngularUnits == nullptr)
2749 0 : pszAngularUnits = CPLStrdup("unknown");
2750 :
2751 10 : if (pszDatumName != nullptr)
2752 10 : WKTMassageDatum(&pszDatumName);
2753 :
2754 10 : dfSemiMajor = psDefnIn->SemiMajor;
2755 10 : if (psDefnIn->SemiMajor == 0.0)
2756 : {
2757 0 : CPLFree(pszSpheroidName);
2758 0 : pszSpheroidName = CPLStrdup("unretrievable - using WGS84");
2759 0 : dfSemiMajor = SRS_WGS84_SEMIMAJOR;
2760 0 : dfInvFlattening = SRS_WGS84_INVFLATTENING;
2761 : }
2762 : else
2763 : dfInvFlattening =
2764 10 : OSRCalcInvFlattening(psDefnIn->SemiMajor, psDefnIn->SemiMinor);
2765 :
2766 10 : oSRS.SetGeogCS(pszGeogName, pszDatumName, pszSpheroidName, dfSemiMajor,
2767 : dfInvFlattening, pszPMName,
2768 10 : psDefnIn->PMLongToGreenwich / psDefnIn->UOMAngleInDegrees,
2769 : pszAngularUnits,
2770 10 : psDefnIn->UOMAngleInDegrees * 0.0174532925199433);
2771 :
2772 10 : if (psDefnIn->GCS != KvUserDefined)
2773 10 : oSRS.SetAuthority("GEOGCS", "EPSG", psDefnIn->GCS);
2774 :
2775 10 : if (psDefnIn->Datum != KvUserDefined)
2776 10 : oSRS.SetAuthority("DATUM", "EPSG", psDefnIn->Datum);
2777 :
2778 10 : if (psDefnIn->Ellipsoid != KvUserDefined)
2779 10 : oSRS.SetAuthority("SPHEROID", "EPSG", psDefnIn->Ellipsoid);
2780 :
2781 10 : CPLFree(pszGeogName);
2782 10 : CPLFree(pszDatumName);
2783 10 : CPLFree(pszPMName);
2784 10 : CPLFree(pszSpheroidName);
2785 10 : CPLFree(pszAngularUnits);
2786 :
2787 : /* ==================================================================== */
2788 : /* Handle projection parameters. */
2789 : /* ==================================================================== */
2790 10 : if (psDefnIn->Model == ModelTypeProjected)
2791 : {
2792 : /* --------------------------------------------------------------------
2793 : */
2794 : /* Make a local copy of params, and convert back into the */
2795 : /* angular units of the GEOGCS and the linear units of the */
2796 : /* projection. */
2797 : /* --------------------------------------------------------------------
2798 : */
2799 : double adfParam[10];
2800 : int i;
2801 :
2802 80 : for (i = 0; i < MIN(10, psDefnIn->nParms); i++)
2803 70 : adfParam[i] = psDefnIn->ProjParm[i];
2804 40 : for (; i < 10; i++)
2805 30 : adfParam[i] = 0;
2806 :
2807 10 : adfParam[0] /= psDefnIn->UOMAngleInDegrees;
2808 10 : adfParam[1] /= psDefnIn->UOMAngleInDegrees;
2809 10 : adfParam[2] /= psDefnIn->UOMAngleInDegrees;
2810 10 : adfParam[3] /= psDefnIn->UOMAngleInDegrees;
2811 :
2812 10 : adfParam[5] /= psDefnIn->UOMLengthInMeters;
2813 10 : adfParam[6] /= psDefnIn->UOMLengthInMeters;
2814 :
2815 : /* --------------------------------------------------------------------
2816 : */
2817 : /* Translation the fundamental projection. */
2818 : /* --------------------------------------------------------------------
2819 : */
2820 10 : switch (psDefnIn->CTProjection)
2821 : {
2822 0 : case CT_TransverseMercator:
2823 0 : oSRS.SetTM(adfParam[0], adfParam[1], adfParam[4], adfParam[5],
2824 : adfParam[6]);
2825 0 : break;
2826 :
2827 0 : case CT_TransvMercator_SouthOriented:
2828 0 : oSRS.SetTMSO(adfParam[0], adfParam[1], adfParam[4], adfParam[5],
2829 : adfParam[6]);
2830 0 : break;
2831 :
2832 10 : case CT_Mercator:
2833 10 : oSRS.SetMercator(adfParam[0], adfParam[1], adfParam[4],
2834 : adfParam[5], adfParam[6]);
2835 10 : break;
2836 :
2837 0 : case CT_ObliqueStereographic:
2838 0 : oSRS.SetOS(adfParam[0], adfParam[1], adfParam[4], adfParam[5],
2839 : adfParam[6]);
2840 0 : break;
2841 :
2842 0 : case CT_Stereographic:
2843 0 : oSRS.SetOS(adfParam[0], adfParam[1], adfParam[4], adfParam[5],
2844 : adfParam[6]);
2845 0 : break;
2846 :
2847 0 : case CT_ObliqueMercator: /* hotine */
2848 0 : oSRS.SetHOM(adfParam[0], adfParam[1], adfParam[2], adfParam[3],
2849 : adfParam[4], adfParam[5], adfParam[6]);
2850 0 : break;
2851 :
2852 0 : case CT_EquidistantConic:
2853 0 : oSRS.SetEC(adfParam[0], adfParam[1], adfParam[2], adfParam[3],
2854 : adfParam[5], adfParam[6]);
2855 0 : break;
2856 :
2857 0 : case CT_CassiniSoldner:
2858 0 : oSRS.SetCS(adfParam[0], adfParam[1], adfParam[5], adfParam[6]);
2859 0 : break;
2860 :
2861 0 : case CT_Polyconic:
2862 0 : oSRS.SetPolyconic(adfParam[0], adfParam[1], adfParam[5],
2863 : adfParam[6]);
2864 0 : break;
2865 :
2866 0 : case CT_AzimuthalEquidistant:
2867 0 : oSRS.SetAE(adfParam[0], adfParam[1], adfParam[5], adfParam[6]);
2868 0 : break;
2869 :
2870 0 : case CT_MillerCylindrical:
2871 0 : oSRS.SetMC(adfParam[0], adfParam[1], adfParam[5], adfParam[6]);
2872 0 : break;
2873 :
2874 0 : case CT_Equirectangular:
2875 0 : oSRS.SetEquirectangular(adfParam[0], adfParam[1], adfParam[5],
2876 : adfParam[6]);
2877 0 : break;
2878 :
2879 0 : case CT_Gnomonic:
2880 0 : oSRS.SetGnomonic(adfParam[0], adfParam[1], adfParam[5],
2881 : adfParam[6]);
2882 0 : break;
2883 :
2884 0 : case CT_LambertAzimEqualArea:
2885 0 : oSRS.SetLAEA(adfParam[0], adfParam[1], adfParam[5],
2886 : adfParam[6]);
2887 0 : break;
2888 :
2889 0 : case CT_Orthographic:
2890 0 : oSRS.SetOrthographic(adfParam[0], adfParam[1], adfParam[5],
2891 : adfParam[6]);
2892 0 : break;
2893 :
2894 0 : case CT_Robinson:
2895 0 : oSRS.SetRobinson(adfParam[1], adfParam[5], adfParam[6]);
2896 0 : break;
2897 :
2898 0 : case CT_Sinusoidal:
2899 0 : oSRS.SetSinusoidal(adfParam[1], adfParam[5], adfParam[6]);
2900 0 : break;
2901 :
2902 0 : case CT_VanDerGrinten:
2903 0 : oSRS.SetVDG(adfParam[1], adfParam[5], adfParam[6]);
2904 0 : break;
2905 :
2906 0 : case CT_PolarStereographic:
2907 0 : oSRS.SetPS(adfParam[0], adfParam[1], adfParam[4], adfParam[5],
2908 : adfParam[6]);
2909 0 : break;
2910 :
2911 0 : case CT_LambertConfConic_2SP:
2912 0 : oSRS.SetLCC(adfParam[2], adfParam[3], adfParam[0], adfParam[1],
2913 : adfParam[5], adfParam[6]);
2914 0 : break;
2915 :
2916 0 : case CT_LambertConfConic_1SP:
2917 0 : oSRS.SetLCC1SP(adfParam[0], adfParam[1], adfParam[4],
2918 : adfParam[5], adfParam[6]);
2919 0 : break;
2920 :
2921 0 : case CT_AlbersEqualArea:
2922 0 : oSRS.SetACEA(adfParam[0], adfParam[1], adfParam[2], adfParam[3],
2923 : adfParam[5], adfParam[6]);
2924 0 : break;
2925 :
2926 0 : case CT_NewZealandMapGrid:
2927 0 : oSRS.SetNZMG(adfParam[0], adfParam[1], adfParam[5],
2928 : adfParam[6]);
2929 0 : break;
2930 : }
2931 :
2932 : /* --------------------------------------------------------------------
2933 : */
2934 : /* Set projection units. */
2935 : /* --------------------------------------------------------------------
2936 : */
2937 10 : char *pszUnitsName = nullptr;
2938 :
2939 10 : GTIFGetUOMLengthInfo(psDefnIn->UOMLength, &pszUnitsName, nullptr);
2940 :
2941 10 : if (pszUnitsName != nullptr && psDefnIn->UOMLength != KvUserDefined)
2942 : {
2943 10 : oSRS.SetLinearUnits(pszUnitsName, psDefnIn->UOMLengthInMeters);
2944 10 : oSRS.SetAuthority("PROJCS|UNIT", "EPSG", psDefnIn->UOMLength);
2945 : }
2946 : else
2947 0 : oSRS.SetLinearUnits("unknown", psDefnIn->UOMLengthInMeters);
2948 :
2949 10 : GTIFFreeMemory(pszUnitsName);
2950 : }
2951 :
2952 : /* -------------------------------------------------------------------- */
2953 : /* Return the WKT serialization of the object. */
2954 : /* -------------------------------------------------------------------- */
2955 :
2956 10 : char *pszWKT = nullptr;
2957 10 : if (oSRS.exportToWkt(&pszWKT) == OGRERR_NONE)
2958 10 : return pszWKT;
2959 : else
2960 : {
2961 0 : CPLFree(pszWKT);
2962 0 : return nullptr;
2963 : }
2964 : }
2965 :
2966 : #ifdef MRSID_ESDK
2967 :
2968 : /************************************************************************/
2969 : /* ==================================================================== */
2970 : /* MrSIDDummyImageReader */
2971 : /* */
2972 : /* This is a helper class to wrap GDAL calls in MrSID interface. */
2973 : /* ==================================================================== */
2974 : /************************************************************************/
2975 :
2976 : class MrSIDDummyImageReader : public LTIImageReader
2977 : {
2978 : public:
2979 : MrSIDDummyImageReader(GDALDataset *poSrcDS);
2980 : ~MrSIDDummyImageReader();
2981 : LT_STATUS initialize();
2982 :
2983 : lt_int64 getPhysicalFileSize(void) const
2984 : {
2985 : return 0;
2986 : };
2987 :
2988 : private:
2989 : GDALDataset *poDS;
2990 : GDALDataType eDataType;
2991 : LTIDataType eSampleType;
2992 : const LTIPixel *poPixel;
2993 :
2994 : double adfGeoTransform[6];
2995 :
2996 : virtual LT_STATUS decodeStrip(LTISceneBuffer &stripBuffer,
2997 : const LTIScene &stripScene);
2998 :
2999 : virtual LT_STATUS decodeBegin(const LTIScene &)
3000 : {
3001 : return LT_STS_Success;
3002 : };
3003 :
3004 : virtual LT_STATUS decodeEnd()
3005 : {
3006 : return LT_STS_Success;
3007 : };
3008 : };
3009 :
3010 : /************************************************************************/
3011 : /* MrSIDDummyImageReader() */
3012 : /************************************************************************/
3013 :
3014 : MrSIDDummyImageReader::MrSIDDummyImageReader(GDALDataset *poSrcDS)
3015 : : LTIImageReader(), poDS(poSrcDS)
3016 : {
3017 : poPixel = nullptr;
3018 : }
3019 :
3020 : /************************************************************************/
3021 : /* ~MrSIDDummyImageReader() */
3022 : /************************************************************************/
3023 :
3024 : MrSIDDummyImageReader::~MrSIDDummyImageReader()
3025 : {
3026 : if (poPixel)
3027 : delete poPixel;
3028 : }
3029 :
3030 : /************************************************************************/
3031 : /* initialize() */
3032 : /************************************************************************/
3033 :
3034 : LT_STATUS MrSIDDummyImageReader::initialize()
3035 : {
3036 : LT_STATUS eStat = LT_STS_Uninit;
3037 : #if defined(LTI_SDK_MAJOR) && LTI_SDK_MAJOR >= 6
3038 : if (!LT_SUCCESS(eStat = LTIImageReader::init()))
3039 : return eStat;
3040 : #else
3041 : if (!LT_SUCCESS(eStat = LTIImageReader::initialize()))
3042 : return eStat;
3043 : #endif
3044 :
3045 : lt_uint16 nBands = (lt_uint16)poDS->GetRasterCount();
3046 : LTIColorSpace eColorSpace = LTI_COLORSPACE_RGB;
3047 : switch (nBands)
3048 : {
3049 : case 1:
3050 : eColorSpace = LTI_COLORSPACE_GRAYSCALE;
3051 : break;
3052 : case 3:
3053 : eColorSpace = LTI_COLORSPACE_RGB;
3054 : break;
3055 : default:
3056 : eColorSpace = LTI_COLORSPACE_MULTISPECTRAL;
3057 : break;
3058 : }
3059 :
3060 : eDataType = poDS->GetRasterBand(1)->GetRasterDataType();
3061 : switch (eDataType)
3062 : {
3063 : case GDT_UInt16:
3064 : eSampleType = LTI_DATATYPE_UINT16;
3065 : break;
3066 : case GDT_Int16:
3067 : eSampleType = LTI_DATATYPE_SINT16;
3068 : break;
3069 : case GDT_UInt32:
3070 : eSampleType = LTI_DATATYPE_UINT32;
3071 : break;
3072 : case GDT_Int32:
3073 : eSampleType = LTI_DATATYPE_SINT32;
3074 : break;
3075 : case GDT_Float32:
3076 : eSampleType = LTI_DATATYPE_FLOAT32;
3077 : break;
3078 : case GDT_Float64:
3079 : eSampleType = LTI_DATATYPE_FLOAT64;
3080 : break;
3081 : case GDT_Byte:
3082 : default:
3083 : eSampleType = LTI_DATATYPE_UINT8;
3084 : break;
3085 : }
3086 :
3087 : poPixel = new LTIDLLPixel<LTIPixel>(eColorSpace, nBands, eSampleType);
3088 : if (!LT_SUCCESS(setPixelProps(*poPixel)))
3089 : return LT_STS_Failure;
3090 :
3091 : if (!LT_SUCCESS(
3092 : setDimensions(poDS->GetRasterXSize(), poDS->GetRasterYSize())))
3093 : return LT_STS_Failure;
3094 :
3095 : if (poDS->GetGeoTransform(adfGeoTransform) == CE_None)
3096 : {
3097 : #ifdef MRSID_SDK_40
3098 : LTIGeoCoord oGeo(adfGeoTransform[0] + adfGeoTransform[1] / 2,
3099 : adfGeoTransform[3] + adfGeoTransform[5] / 2,
3100 : adfGeoTransform[1], adfGeoTransform[5],
3101 : adfGeoTransform[2], adfGeoTransform[4], nullptr,
3102 : poDS->GetProjectionRef());
3103 : #else
3104 : LTIGeoCoord oGeo(adfGeoTransform[0] + adfGeoTransform[1] / 2,
3105 : adfGeoTransform[3] + adfGeoTransform[5] / 2,
3106 : adfGeoTransform[1], adfGeoTransform[5],
3107 : adfGeoTransform[2], adfGeoTransform[4],
3108 : poDS->GetProjectionRef());
3109 : #endif
3110 : if (!LT_SUCCESS(setGeoCoord(oGeo)))
3111 : return LT_STS_Failure;
3112 : }
3113 :
3114 : /*int bSuccess;
3115 : double dfNoDataValue = poDS->GetNoDataValue( &bSuccess );
3116 : if ( bSuccess )
3117 : {
3118 : LTIPixel oNoDataPixel( *poPixel );
3119 : lt_uint16 iBand;
3120 :
3121 : for (iBand = 0; iBand < (lt_uint16)poDS->GetRasterCount(); iBand++)
3122 : oNoDataPixel.setSampleValueFloat32( iBand, dfNoDataValue );
3123 : if ( !LT_SUCCESS(setNoDataPixel( &oNoDataPixel )) )
3124 : return LT_STS_Failure;
3125 : }*/
3126 :
3127 : setDefaultDynamicRange();
3128 : #if !defined(LTI_SDK_MAJOR) || LTI_SDK_MAJOR < 8
3129 : setClassicalMetadata();
3130 : #endif
3131 :
3132 : return LT_STS_Success;
3133 : }
3134 :
3135 : /************************************************************************/
3136 : /* decodeStrip() */
3137 : /************************************************************************/
3138 :
3139 : LT_STATUS MrSIDDummyImageReader::decodeStrip(LTISceneBuffer &stripData,
3140 : const LTIScene &stripScene)
3141 :
3142 : {
3143 : const lt_int32 nXOff = stripScene.getUpperLeftCol();
3144 : const lt_int32 nYOff = stripScene.getUpperLeftRow();
3145 : const lt_int32 nBufXSize = stripScene.getNumCols();
3146 : const lt_int32 nBufYSize = stripScene.getNumRows();
3147 : const lt_int32 nDataBufXSize = stripData.getTotalNumCols();
3148 : const lt_int32 nDataBufYSize = stripData.getTotalNumRows();
3149 : const lt_uint16 nBands = poPixel->getNumBands();
3150 :
3151 : void *pData =
3152 : CPLMalloc(nDataBufXSize * nDataBufYSize * poPixel->getNumBytes());
3153 : if (!pData)
3154 : {
3155 : CPLError(CE_Failure, CPLE_AppDefined,
3156 : "MrSIDDummyImageReader::decodeStrip(): "
3157 : "Cannot allocate enough space for scene buffer");
3158 : return LT_STS_Failure;
3159 : }
3160 :
3161 : poDS->RasterIO(GF_Read, nXOff, nYOff, nBufXSize, nBufYSize, pData,
3162 : nBufXSize, nBufYSize, eDataType, nBands, nullptr, 0, 0, 0,
3163 : nullptr);
3164 :
3165 : stripData.importDataBSQ(pData);
3166 : CPLFree(pData);
3167 : return LT_STS_Success;
3168 : }
3169 :
3170 : /************************************************************************/
3171 : /* MrSIDCreateCopy() */
3172 : /************************************************************************/
3173 :
3174 : static GDALDataset *MrSIDCreateCopy(const char *pszFilename,
3175 : GDALDataset *poSrcDS, int bStrict,
3176 : char **papszOptions,
3177 : GDALProgressFunc pfnProgress,
3178 : void *pProgressData)
3179 :
3180 : {
3181 : const char *pszVersion = CSLFetchNameValue(papszOptions, "VERSION");
3182 : #ifdef MRSID_HAVE_MG4WRITE
3183 : int iVersion = pszVersion ? atoi(pszVersion) : 4;
3184 : #else
3185 : int iVersion = pszVersion ? atoi(pszVersion) : 3;
3186 : #endif
3187 : LT_STATUS eStat = LT_STS_Uninit;
3188 :
3189 : #ifdef DEBUG
3190 : bool bMeter = false;
3191 : #else
3192 : bool bMeter = true;
3193 : #endif
3194 :
3195 : if (poSrcDS->GetRasterBand(1)->GetColorTable() != nullptr)
3196 : {
3197 : CPLError((bStrict) ? CE_Failure : CE_Warning, CPLE_NotSupported,
3198 : "MrSID driver ignores color table. "
3199 : "The source raster band will be considered as grey level.\n"
3200 : "Consider using color table expansion (-expand option in "
3201 : "gdal_translate)\n");
3202 : if (bStrict)
3203 : return nullptr;
3204 : }
3205 :
3206 : MrSIDProgress oProgressDelegate(pfnProgress, pProgressData);
3207 : if (LT_FAILURE(eStat = oProgressDelegate.setProgressStatus(0)))
3208 : {
3209 : CPLError(CE_Failure, CPLE_AppDefined,
3210 : "MrSIDProgress.setProgressStatus failed.\n%s",
3211 : getLastStatusString(eStat));
3212 : return nullptr;
3213 : }
3214 :
3215 : // Create the file.
3216 : MrSIDDummyImageReader oImageReader(poSrcDS);
3217 : if (LT_FAILURE(eStat = oImageReader.initialize()))
3218 : {
3219 : CPLError(CE_Failure, CPLE_AppDefined,
3220 : "MrSIDDummyImageReader.Initialize failed.\n%s",
3221 : getLastStatusString(eStat));
3222 : return nullptr;
3223 : }
3224 :
3225 : LTIGeoFileImageWriter *poImageWriter = nullptr;
3226 : switch (iVersion)
3227 : {
3228 : case 2:
3229 : {
3230 : // Output Mrsid Version 2 file.
3231 : #if defined(LTI_SDK_MAJOR) && LTI_SDK_MAJOR >= 8
3232 : LTIDLLDefault<MG2ImageWriter> *poMG2ImageWriter;
3233 : poMG2ImageWriter = new LTIDLLDefault<MG2ImageWriter>;
3234 : eStat = poMG2ImageWriter->initialize(&oImageReader);
3235 : #else
3236 : LTIDLLWriter<MG2ImageWriter> *poMG2ImageWriter;
3237 : poMG2ImageWriter = new LTIDLLWriter<MG2ImageWriter>(&oImageReader);
3238 : eStat = poMG2ImageWriter->initialize();
3239 : #endif
3240 : if (LT_FAILURE(eStat))
3241 : {
3242 : delete poMG2ImageWriter;
3243 : CPLError(CE_Failure, CPLE_AppDefined,
3244 : "MG2ImageWriter.initialize() failed.\n%s",
3245 : getLastStatusString(eStat));
3246 : return nullptr;
3247 : }
3248 :
3249 : #if defined(LTI_SDK_MAJOR) && LTI_SDK_MAJOR >= 8
3250 : eStat = poMG2ImageWriter->setEncodingApplication(
3251 : "MrSID Driver", GDALVersionInfo("--version"));
3252 : if (LT_FAILURE(eStat))
3253 : {
3254 : delete poMG2ImageWriter;
3255 : CPLError(CE_Failure, CPLE_AppDefined,
3256 : "MG2ImageWriter.setEncodingApplication() failed.\n%s",
3257 : getLastStatusString(eStat));
3258 : return nullptr;
3259 : }
3260 : #endif
3261 :
3262 : poMG2ImageWriter->setUsageMeterEnabled(bMeter);
3263 :
3264 : poMG2ImageWriter->params().setBlockSize(
3265 : poMG2ImageWriter->params().getBlockSize());
3266 :
3267 : // check for compression option
3268 : const char *pszValue =
3269 : CSLFetchNameValue(papszOptions, "COMPRESSION");
3270 : if (pszValue != nullptr)
3271 : poMG2ImageWriter->params().setCompressionRatio(
3272 : (float)CPLAtof(pszValue));
3273 :
3274 : poImageWriter = poMG2ImageWriter;
3275 :
3276 : break;
3277 : }
3278 : case 3:
3279 : {
3280 : // Output Mrsid Version 3 file.
3281 : #if defined(LTI_SDK_MAJOR) && LTI_SDK_MAJOR >= 8
3282 : LTIDLLDefault<MG3ImageWriter> *poMG3ImageWriter;
3283 : poMG3ImageWriter = new LTIDLLDefault<MG3ImageWriter>;
3284 : eStat = poMG3ImageWriter->initialize(&oImageReader);
3285 : #else
3286 : LTIDLLWriter<MG3ImageWriter> *poMG3ImageWriter;
3287 : poMG3ImageWriter = new LTIDLLWriter<MG3ImageWriter>(&oImageReader);
3288 : eStat = poMG3ImageWriter->initialize();
3289 : #endif
3290 : if (LT_FAILURE(eStat))
3291 : {
3292 : delete poMG3ImageWriter;
3293 : CPLError(CE_Failure, CPLE_AppDefined,
3294 : "MG3ImageWriter.initialize() failed.\n%s",
3295 : getLastStatusString(eStat));
3296 : return nullptr;
3297 : }
3298 :
3299 : #if defined(LTI_SDK_MAJOR) && LTI_SDK_MAJOR >= 8
3300 : eStat = poMG3ImageWriter->setEncodingApplication(
3301 : "MrSID Driver", GDALVersionInfo("--version"));
3302 : if (LT_FAILURE(eStat))
3303 : {
3304 : delete poMG3ImageWriter;
3305 : CPLError(CE_Failure, CPLE_AppDefined,
3306 : "MG3ImageWriter.setEncodingApplication() failed.\n%s",
3307 : getLastStatusString(eStat));
3308 : return nullptr;
3309 : }
3310 : #endif
3311 :
3312 : // usage meter should only be disabled for debugging
3313 : poMG3ImageWriter->setUsageMeterEnabled(bMeter);
3314 :
3315 : #if !defined(LTI_SDK_MAJOR) || LTI_SDK_MAJOR < 8
3316 : // Set 64-bit Interface for large files.
3317 : poMG3ImageWriter->setFileStream64(true);
3318 : #endif
3319 :
3320 : // set 2 pass optimizer option
3321 : if (CSLFetchNameValue(papszOptions, "TWOPASS") != nullptr)
3322 : poMG3ImageWriter->params().setTwoPassOptimizer(true);
3323 :
3324 : // set filesize in KB
3325 : const char *pszValue = CSLFetchNameValue(papszOptions, "FILESIZE");
3326 : if (pszValue != nullptr)
3327 : poMG3ImageWriter->params().setTargetFilesize(atoi(pszValue));
3328 :
3329 : poImageWriter = poMG3ImageWriter;
3330 :
3331 : break;
3332 : }
3333 : #ifdef MRSID_HAVE_MG4WRITE
3334 : case 4:
3335 : {
3336 : // Output Mrsid Version 4 file.
3337 : LTIDLLDefault<MG4ImageWriter> *poMG4ImageWriter;
3338 : poMG4ImageWriter = new LTIDLLDefault<MG4ImageWriter>;
3339 : eStat =
3340 : poMG4ImageWriter->initialize(&oImageReader, nullptr, nullptr);
3341 : if (LT_FAILURE(eStat))
3342 : {
3343 : delete poMG4ImageWriter;
3344 : CPLError(CE_Failure, CPLE_AppDefined,
3345 : "MG3ImageWriter.initialize() failed.\n%s",
3346 : getLastStatusString(eStat));
3347 : return nullptr;
3348 : }
3349 :
3350 : eStat = poMG4ImageWriter->setEncodingApplication(
3351 : "MrSID Driver", GDALVersionInfo("--version"));
3352 : if (LT_FAILURE(eStat))
3353 : {
3354 : delete poMG4ImageWriter;
3355 : CPLError(CE_Failure, CPLE_AppDefined,
3356 : "MG3ImageWriter.setEncodingApplication() failed.\n%s",
3357 : getLastStatusString(eStat));
3358 : return nullptr;
3359 : }
3360 :
3361 : // usage meter should only be disabled for debugging
3362 : poMG4ImageWriter->setUsageMeterEnabled(bMeter);
3363 :
3364 : // set 2 pass optimizer option
3365 : if (CSLFetchNameValue(papszOptions, "TWOPASS") != nullptr)
3366 : poMG4ImageWriter->params().setTwoPassOptimizer(true);
3367 :
3368 : // set filesize in KB
3369 : const char *pszValue = CSLFetchNameValue(papszOptions, "FILESIZE");
3370 : if (pszValue != nullptr)
3371 : poMG4ImageWriter->params().setTargetFilesize(atoi(pszValue));
3372 :
3373 : poImageWriter = poMG4ImageWriter;
3374 :
3375 : break;
3376 : }
3377 : #endif /* MRSID_HAVE_MG4WRITE */
3378 : default:
3379 : CPLError(CE_Failure, CPLE_AppDefined,
3380 : "Invalid MrSID generation specified (VERSION=%s).",
3381 : pszVersion);
3382 : return nullptr;
3383 : }
3384 :
3385 : // set output filename
3386 : poImageWriter->setOutputFileSpec(pszFilename);
3387 :
3388 : // set progress delegate
3389 : poImageWriter->setProgressDelegate(&oProgressDelegate);
3390 :
3391 : // set defaults
3392 : poImageWriter->setStripHeight(poImageWriter->getStripHeight());
3393 :
3394 : // set MrSID world file
3395 : if (CSLFetchNameValue(papszOptions, "WORLDFILE") != nullptr)
3396 : poImageWriter->setWorldFileSupport(true);
3397 :
3398 : // write the scene
3399 : int nXSize = poSrcDS->GetRasterXSize();
3400 : int nYSize = poSrcDS->GetRasterYSize();
3401 : const LTIScene oScene(0, 0, nXSize, nYSize, 1.0);
3402 : if (LT_FAILURE(eStat = poImageWriter->write(oScene)))
3403 : {
3404 : delete poImageWriter;
3405 : CPLError(CE_Failure, CPLE_AppDefined,
3406 : "MG2ImageWriter.write() failed.\n%s",
3407 : getLastStatusString(eStat));
3408 : return nullptr;
3409 : }
3410 :
3411 : delete poImageWriter;
3412 : /* -------------------------------------------------------------------- */
3413 : /* Re-open dataset, and copy any auxiliary pam information. */
3414 : /* -------------------------------------------------------------------- */
3415 : GDALPamDataset *poDS = (GDALPamDataset *)GDALOpen(pszFilename, GA_ReadOnly);
3416 :
3417 : if (poDS)
3418 : poDS->CloneInfo(poSrcDS, GCIF_PAM_DEFAULT);
3419 :
3420 : return poDS;
3421 : }
3422 :
3423 : #ifdef MRSID_J2K
3424 : /************************************************************************/
3425 : /* JP2CreateCopy() */
3426 : /************************************************************************/
3427 :
3428 : static GDALDataset *JP2CreateCopy(const char *pszFilename, GDALDataset *poSrcDS,
3429 : int bStrict, char **papszOptions,
3430 : GDALProgressFunc pfnProgress,
3431 : void *pProgressData)
3432 :
3433 : {
3434 : #ifdef DEBUG
3435 : bool bMeter = false;
3436 : #else
3437 : bool bMeter = true;
3438 : #endif
3439 :
3440 : int nXSize = poSrcDS->GetRasterXSize();
3441 : int nYSize = poSrcDS->GetRasterYSize();
3442 : LT_STATUS eStat;
3443 :
3444 : if (poSrcDS->GetRasterBand(1)->GetColorTable() != nullptr)
3445 : {
3446 : CPLError((bStrict) ? CE_Failure : CE_Warning, CPLE_NotSupported,
3447 : "MrSID driver ignores color table. "
3448 : "The source raster band will be considered as grey level.\n"
3449 : "Consider using color table expansion (-expand option in "
3450 : "gdal_translate)\n");
3451 : if (bStrict)
3452 : return nullptr;
3453 : }
3454 :
3455 : MrSIDProgress oProgressDelegate(pfnProgress, pProgressData);
3456 : if (LT_FAILURE(eStat = oProgressDelegate.setProgressStatus(0)))
3457 : {
3458 : CPLError(CE_Failure, CPLE_AppDefined,
3459 : "MrSIDProgress.setProgressStatus failed.\n%s",
3460 : getLastStatusString(eStat));
3461 : return nullptr;
3462 : }
3463 :
3464 : // Create the file.
3465 : MrSIDDummyImageReader oImageReader(poSrcDS);
3466 : eStat = oImageReader.initialize();
3467 : if (eStat != LT_STS_Success)
3468 : {
3469 : CPLError(CE_Failure, CPLE_AppDefined,
3470 : "MrSIDDummyImageReader.Initialize failed.\n%s",
3471 : getLastStatusString(eStat));
3472 : return nullptr;
3473 : }
3474 :
3475 : #if !defined(MRSID_POST5)
3476 : J2KImageWriter oImageWriter(&oImageReader);
3477 : eStat = oImageWriter.initialize();
3478 : #elif !defined(LTI_SDK_MAJOR) || LTI_SDK_MAJOR < 8
3479 : JP2WriterManager oImageWriter(&oImageReader);
3480 : eStat = oImageWriter.initialize();
3481 : #else
3482 : JP2WriterManager oImageWriter;
3483 : eStat = oImageWriter.initialize(&oImageReader);
3484 : #endif
3485 : if (eStat != LT_STS_Success)
3486 : {
3487 : CPLError(CE_Failure, CPLE_AppDefined,
3488 : "J2KImageWriter.Initialize failed.\n%s",
3489 : getLastStatusString(eStat));
3490 : return nullptr;
3491 : }
3492 :
3493 : #if !defined(LTI_SDK_MAJOR) || LTI_SDK_MAJOR < 8
3494 : // Set 64-bit Interface for large files.
3495 : oImageWriter.setFileStream64(true);
3496 : #endif
3497 :
3498 : oImageWriter.setUsageMeterEnabled(bMeter);
3499 :
3500 : // set output filename
3501 : oImageWriter.setOutputFileSpec(pszFilename);
3502 :
3503 : // set progress delegate
3504 : oImageWriter.setProgressDelegate(&oProgressDelegate);
3505 :
3506 : // Set defaults
3507 : // oImageWriter.setStripHeight(oImageWriter.getStripHeight());
3508 :
3509 : // set MrSID world file
3510 : if (CSLFetchNameValue(papszOptions, "WORLDFILE") != nullptr)
3511 : oImageWriter.setWorldFileSupport(true);
3512 :
3513 : // check for compression option
3514 : const char *pszValue = CSLFetchNameValue(papszOptions, "COMPRESSION");
3515 : if (pszValue != nullptr)
3516 : oImageWriter.params().setCompressionRatio((float)CPLAtof(pszValue));
3517 :
3518 : pszValue = CSLFetchNameValue(papszOptions, "XMLPROFILE");
3519 : if (pszValue != nullptr)
3520 : {
3521 : LTFileSpec xmlprofile(pszValue);
3522 : eStat = oImageWriter.params().readProfile(xmlprofile);
3523 : if (eStat != LT_STS_Success)
3524 : {
3525 : CPLError(CE_Failure, CPLE_AppDefined,
3526 : "JPCWriterParams.readProfile failed.\n%s",
3527 : getLastStatusString(eStat));
3528 : return nullptr;
3529 : }
3530 : }
3531 :
3532 : // write the scene
3533 : const LTIScene oScene(0, 0, nXSize, nYSize, 1.0);
3534 : eStat = oImageWriter.write(oScene);
3535 : if (eStat != LT_STS_Success)
3536 : {
3537 : CPLError(CE_Failure, CPLE_AppDefined,
3538 : "J2KImageWriter.write() failed.\n%s",
3539 : getLastStatusString(eStat));
3540 : return nullptr;
3541 : }
3542 :
3543 : /* -------------------------------------------------------------------- */
3544 : /* Re-open dataset, and copy any auxiliary pam information. */
3545 : /* -------------------------------------------------------------------- */
3546 : GDALOpenInfo oOpenInfo(pszFilename, GA_ReadOnly);
3547 : GDALPamDataset *poDS = (GDALPamDataset *)JP2Open(&oOpenInfo);
3548 :
3549 : if (poDS)
3550 : poDS->CloneInfo(poSrcDS, GCIF_PAM_DEFAULT);
3551 :
3552 : return poDS;
3553 : }
3554 : #endif /* MRSID_J2K */
3555 : #endif /* MRSID_ESDK */
3556 :
3557 : /************************************************************************/
3558 : /* GDALRegister_MrSID() */
3559 : /************************************************************************/
3560 :
3561 1682 : void GDALRegister_MrSID()
3562 :
3563 : {
3564 1682 : if (!GDAL_CHECK_VERSION("MrSID driver"))
3565 0 : return;
3566 :
3567 : /* -------------------------------------------------------------------- */
3568 : /* MrSID driver. */
3569 : /* -------------------------------------------------------------------- */
3570 1682 : if (GDALGetDriverByName(MRSID_DRIVER_NAME) != nullptr)
3571 301 : return;
3572 :
3573 1381 : GDALDriver *poDriver = new GDALDriver();
3574 1381 : MrSIDDriverSetCommonMetadata(poDriver);
3575 : #ifdef MRSID_ESDK
3576 : poDriver->pfnCreateCopy = MrSIDCreateCopy;
3577 : #endif
3578 1381 : poDriver->pfnOpen = MrSIDOpen;
3579 :
3580 1381 : GetGDALDriverManager()->RegisterDriver(poDriver);
3581 :
3582 : /* -------------------------------------------------------------------- */
3583 : /* JP2MRSID driver. */
3584 : /* -------------------------------------------------------------------- */
3585 : #ifdef MRSID_J2K
3586 : poDriver = new GDALDriver();
3587 : JP2MrSIDDriverSetCommonMetadata(poDriver);
3588 : #ifdef MRSID_ESDK
3589 : poDriver->pfnCreateCopy = JP2CreateCopy;
3590 : #endif
3591 : poDriver->pfnOpen = JP2Open;
3592 :
3593 : GetGDALDriverManager()->RegisterDriver(poDriver);
3594 : #endif /* def MRSID_J2K */
3595 : }
3596 :
3597 : #if defined(MRSID_USE_TIFFSYMS_WORKAROUND)
3598 : extern "C"
3599 : {
3600 :
3601 : /* This is not pretty but I am not sure how else to get the plugin to build
3602 : * against the ESDK. ESDK symbol dependencies bring in __TIFFmemcpy and
3603 : * __gtiff_size, which are not exported from gdal.dll. Rather than link
3604 : * these symbols from the ESDK distribution of GDAL, or link in the entire
3605 : * gdal.lib statically, it seemed safer and smaller to bring in just the
3606 : * objects that wouldsatisfy these symbols from the enclosing GDAL build.
3607 : * However, doing so pulls in a few more dependencies. /Gy and /OPT:REF did
3608 : * not seem to help things, so I have implemented no-op versions of these
3609 : * symbols since they do not actually get called. If the MrSID ESDK ever
3610 : * comes to require the actual versions of these functions, we'll hope
3611 : * duplicate symbol errors will bring attention back to this problem.
3612 : */
3613 : void TIFFClientOpen()
3614 : {
3615 : }
3616 :
3617 : void TIFFError()
3618 : {
3619 : }
3620 :
3621 : void TIFFGetField()
3622 : {
3623 : }
3624 :
3625 : void TIFFSetField()
3626 : {
3627 : }
3628 : }
3629 : #endif
|
