service.c @ 82

Last change on this file since 82 was 1, checked in by djay, 15 years ago
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1	/******************************************************************************
2	* $Id$
3	*
4	* Project: GDAL Utilities
5	* Purpose: GDAL Image Translator Program
6	* Author: Frank Warmerdam, warmerdam@pobox.com
7	*
8	******************************************************************************
9	* Copyright (c) 1998, 2002, Frank Warmerdam
10	*
11	* Permission is hereby granted, free of charge, to any person obtaining a
12	* copy of this software and associated documentation files (the "Software"),
13	* to deal in the Software without restriction, including without limitation
14	* the rights to use, copy, modify, merge, publish, distribute, sublicense,
15	* and/or sell copies of the Software, and to permit persons to whom the
16	* Software is furnished to do so, subject to the following conditions:
17	*
18	* The above copyright notice and this permission notice shall be included
19	* in all copies or substantial portions of the Software.
20	*
21	* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
22	* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
23	* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
24	* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
25	* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
26	* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
27	* DEALINGS IN THE SOFTWARE.
28	****************************************************************************/
29
30	#include "cpl_vsi.h"
31	#include "cpl_conv.h"
32	#include "cpl_string.h"
33	#include "gdal_priv.h"
34	#include "ogr_spatialref.h"
35	#include "vrtdataset.h"
36
37	#include "service.h"
38
39
40	CPL_CVSID("$Id$");
41
42	extern "C" {
43
44
45	static void AttachMetadata( GDALDatasetH, char ** );
46	static int bSubCall = FALSE;
47
48	/************************************************************************/
49	/* Gdal_Translate() */
50	/************************************************************************/
51
52	int Gdal_Translate(maps& conf,maps& inputs,maps*& outputs)
53	{
54
55	fprintf(stderr,"STARTING GDAL TRANSLATE\n");
56	fflush(stderr);
57
58	GDALDatasetH hDataset, hOutDS;
59	int i;
60	int nRasterXSize, nRasterYSize;
61	const char pszSource=NULL, pszDest=NULL, *pszFormat = "GTiff";
62	GDALDriverH hDriver;
63	int *panBandList = NULL, nBandCount = 0, bDefBands = TRUE;
64	double adfGeoTransform[6];
65	GDALDataType eOutputType = GDT_Unknown;
66	int nOXSize = 0, nOYSize = 0;
67	char pszOXSize=NULL, pszOYSize=NULL;
68	char **papszCreateOptions = NULL;
69	int anSrcWin[4], bStrict = FALSE;
70	const char *pszProjection;
71	int bScale = FALSE, bHaveScaleSrc = FALSE;
72	double dfScaleSrcMin=0.0, dfScaleSrcMax=255.0;
73	double dfScaleDstMin=0.0, dfScaleDstMax=255.0;
74	double dfULX, dfULY, dfLRX, dfLRY;
75	char **papszMetadataOptions = NULL;
76	char *pszOutputSRS = NULL;
77	int bQuiet = TRUE, bGotBounds = FALSE;
78	GDALProgressFunc pfnProgress = GDALDummyProgress;
79	int nGCPCount = 0;
80	GDAL_GCP *pasGCPs = NULL;
81	int iSrcFileArg = -1, iDstFileArg = -1;
82	int bCopySubDatasets = FALSE;
83	double adfULLR[4] = { 0,0,0,0 };
84	int bSetNoData = FALSE;
85	double dfNoDataReal = 0.0;
86	int nRGBExpand = 0;
87
88	anSrcWin[0] = 0;
89	anSrcWin[1] = 0;
90	anSrcWin[2] = 0;
91	anSrcWin[3] = 0;
92
93	dfULX = dfULY = dfLRX = dfLRY = 0.0;
94
95	/* ----------------------------------------------------------------- */
96	/* Register standard GDAL drivers, and process generic GDAL */
97	/* ----------------------------------------------------------------- */
98	GDALAllRegister();
99
100	/* ----------------------------------------------------------------- */
101	/* Extract Format, InputDSN, OutputDSN parameters */
102	/* ----------------------------------------------------------------- */
103
104	map* tmpMap=NULL;
105
106	char dataPath[1024];
107	tmpMap=getMapFromMaps(conf,"main","dataPath");
108	if(tmpMap!=NULL)
109	sprintf(dataPath,"%s",tmpMap->value);
110	tmpMap=NULL;
111
112	char tempPath[1024];
113	tmpMap=getMapFromMaps(conf,"main","tmpPath");
114	if(tmpMap!=NULL){
115	sprintf(tempPath,"%s",tmpMap->value);
116	}
117	tmpMap=NULL;
118
119	tmpMap=getMapFromMaps(inputs,"Format","value");
120	if(tmpMap!=NULL){
121	pszFormat=tmpMap->value;
122	}
123	tmpMap=NULL;
124	tmpMap=getMapFromMaps(inputs,"InputDSN","value");
125	if(tmpMap!=NULL){
126	pszSource=(char)malloc(sizeof(char)(strlen(dataPath)+strlen(tmpMap->value)+4));
127	sprintf((char*)pszSource,"%s/%s.tif",dataPath,tmpMap->value);
128	}
129	tmpMap=NULL;
130	tmpMap=getMapFromMaps(inputs,"OutputDSN","value");
131	if(tmpMap!=NULL){
132	pszDest=(char)malloc(sizeof(char)(strlen(tempPath)+strlen(tmpMap->value)+4));
133	char *ext=new char[4];
134	ext="tif";
135	if(strcmp(mtoupper((char*)pszFormat),"AAIGRID")==0)
136	ext="csv";
137	else
138	if(strcmp(mtoupper((char*)pszFormat),"PNG")==0)
139	ext="png";
140	else
141	if(strcmp(mtoupper((char*)pszFormat),"GIF")==0)
142	ext="gif";
143	else
144	if(strcmp(mtoupper((char*)pszFormat),"JPEG")==0)
145	ext="jpg";
146	sprintf((char*)pszDest,"%s/%s.%s",tempPath,tmpMap->value,ext);
147	fprintf(stderr,"DEBUG pszDest : %s\n",pszDest);
148	}
149	tmpMap=NULL;
150	tmpMap=getMapFromMaps(inputs,"ProjWin","value");
151	if(tmpMap!=NULL){
152	char *tmp=tmpMap->value;
153	char *t=strtok(tmp,",");
154	int cnt=0;
155	while(t!=NULL){
156	switch(cnt){
157	case 0:
158	dfULX = atof(t);
159	break;
160	case 1:
161	dfULY = atof(t);
162	break;
163	case 2:
164	dfLRX = atof(t);
165	break;
166	case 3:
167	dfLRY = atof(t);
168	break;
169	}
170	fprintf(stderr,"%s\n\n",t);
171	fprintf(stderr,"%f - %f - %f - %f\n\n",dfULX,dfULY,dfLRX,dfLRY);
172	t=strtok(NULL,",");
173	cnt++;
174	}
175	}
176	tmpMap=NULL;
177	tmpMap=getMapFromMaps(inputs,"SRS","value");
178	if(tmpMap!=NULL){
179	OGRSpatialReference oOutputSRS;
180	if( oOutputSRS.SetFromUserInput( tmpMap->value ) != OGRERR_NONE )
181	{
182	fprintf( stderr, "Failed to process SRS definition: %s\n",
183	tmpMap->value );
184	/**
185	* Avoiding GDALDestroyDriverManager() call
186	*/
187	exit( 1 );
188	}
189	oOutputSRS.exportToWkt( &pszOutputSRS );
190	}
191	tmpMap=NULL;
192	tmpMap=getMapFromMaps(inputs,"Type","value");
193	if(tmpMap!=NULL){
194	int iType;
195
196	for( iType = 1; iType < GDT_TypeCount; iType++ )
197	{
198	if( GDALGetDataTypeName((GDALDataType)iType) != NULL
199	&& EQUAL(GDALGetDataTypeName((GDALDataType)iType),
200	tmpMap->value) )
201	{
202	eOutputType = (GDALDataType) iType;
203	}
204	}
205
206	if( eOutputType == GDT_Unknown )
207	{
208	printf( "Unknown output pixel type: %s\n", tmpMap->value );
209	/**
210	* Avoiding GDALDestroyDriverManager() call
211	*/
212	exit( 2 );
213	}
214	}
215	fprintf(stderr,"==%s %s %s %==\n",pszFormat,pszSource,pszDest);
216	fflush(stderr);
217
218	if( pszDest == NULL ){
219	fprintf(stderr,"exit line 416");
220	fflush(stderr);
221	/**
222	* Avoiding GDALDestroyDriverManager() call
223	*/
224	exit( 10 );
225	}
226
227	if ( strcmp(pszSource, pszDest) == 0)
228	{
229	fprintf(stderr, "Source and destination datasets must be different.\n");
230	fflush(stderr);
231	/**
232	* Avoiding GDALDestroyDriverManager() call
233	*/
234	exit( 1 );
235	}
236
237	/* ----------------------------------------------------------------- */
238	/* Attempt to open source file. */
239	/* ----------------------------------------------------------------- */
240
241	hDataset = GDALOpenShared( pszSource, GA_ReadOnly );
242
243	if( hDataset == NULL ){
244	fprintf( stderr,
245	"GDALOpen failed - %d\n%s\n",
246	CPLGetLastErrorNo(), CPLGetLastErrorMsg() );
247	fflush(stderr);
248	/**
249	* Avoiding GDALDestroyDriverManager() call
250	*/
251	exit( 1 );
252	}
253
254	/* ----------------------------------------------------------------- */
255	/* Handle subdatasets. */
256	/* ----------------------------------------------------------------- */
257	if( !bCopySubDatasets
258	&& CSLCount(GDALGetMetadata( hDataset, "SUBDATASETS" )) > 0
259	&& GDALGetRasterCount(hDataset) == 0 )
260	{
261	fprintf( stderr,
262	"Input file contains subdatasets. Please, select one of them for reading.\n" );
263	fflush(stderr);
264	GDALClose( hDataset );
265	/**
266	* Avoiding GDALDestroyDriverManager() call
267	*/
268	exit( 1 );
269	}
270
271	if( CSLCount(GDALGetMetadata( hDataset, "SUBDATASETS" )) > 0
272	&& bCopySubDatasets )
273	{
274	char **papszSubdatasets = GDALGetMetadata(hDataset,"SUBDATASETS");
275	char pszSubDest = (char ) CPLMalloc(strlen(pszDest)+32);
276	int i;
277	int bOldSubCall = bSubCall;
278
279	//argv[iDstFileArg] = pszSubDest;
280	bSubCall = TRUE;
281	for( i = 0; papszSubdatasets[i] != NULL; i += 2 )
282	{
283	//argv[iSrcFileArg] = strstr(papszSubdatasets[i],"=")+1;
284	sprintf( pszSubDest, "%s%d", pszDest, i/2 + 1 );
285	/*if( ProxyMain( argc, argv ) != 0 )
286	break;*/
287	}
288
289	bSubCall = bOldSubCall;
290	CPLFree( pszSubDest );
291
292	GDALClose( hDataset );
293
294	if( !bSubCall )
295	{
296	GDALDumpOpenDatasets( stderr );
297	fflush(stderr);
298	/**
299	* Avoiding GDALDestroyDriverManager() call
300	*/
301	}
302	return 1;
303	}
304
305	/* ----------------------------------------------------------------- */
306	/* Collect some information from the source file. */
307	/* ----------------------------------------------------------------- */
308	nRasterXSize = GDALGetRasterXSize( hDataset );
309	nRasterYSize = GDALGetRasterYSize( hDataset );
310
311	if( !bQuiet )
312	printf( "Input file size is %d, %d\n", nRasterXSize, nRasterYSize );
313
314	if( anSrcWin[2] == 0 && anSrcWin[3] == 0 ){
315	anSrcWin[2] = nRasterXSize;
316	anSrcWin[3] = nRasterYSize;
317	}
318
319	/* ----------------------------------------------------------------- */
320	/* Build band list to translate */
321	/* ----------------------------------------------------------------- */
322	if( nBandCount == 0 ){
323	nBandCount = GDALGetRasterCount( hDataset );
324	if( nBandCount == 0 ){
325	fprintf( stderr, "Input file has no bands, and so cannot be translated.\n" );
326	fflush(stderr);
327	/**
328	* Avoiding GDALDestroyDriverManager() call
329	*/
330	exit(1 );
331	}
332
333	panBandList = (int ) CPLMalloc(sizeof(int)nBandCount);
334	for( i = 0; i < nBandCount; i++ )
335	panBandList[i] = i+1;
336	}
337	else
338	{
339	for( i = 0; i < nBandCount; i++ )
340	{
341	if( panBandList[i] < 1 \|\| panBandList[i] > GDALGetRasterCount(hDataset) )
342	{
343	fprintf( stderr,
344	"Band %d requested, but only bands 1 to %d available.\n",
345	panBandList[i], GDALGetRasterCount(hDataset) );
346	fflush(stderr);
347	/**
348	* Avoiding GDALDestroyDriverManager() call
349	*/
350	exit( 2 );
351	}
352	}
353
354	if( nBandCount != GDALGetRasterCount( hDataset ) )
355	bDefBands = FALSE;
356	}
357
358	/* ----------------------------------------------------------------- */
359	/* Compute the source window from the projected source window */
360	/* if the projected coordinates were provided. Note that the */
361	/* projected coordinates are in ulx, uly, lrx, lry format, */
362	/* while the anSrcWin is xoff, yoff, xsize, ysize with the */
363	/* xoff,yoff being the ulx, uly in pixel/line. */
364	/* ----------------------------------------------------------------- */
365	if( dfULX != 0.0 \|\| dfULY != 0.0
366	\|\| dfLRX != 0.0 \|\| dfLRY != 0.0 )
367	{
368	double adfGeoTransform[6];
369
370	GDALGetGeoTransform( hDataset, adfGeoTransform );
371
372	if( adfGeoTransform[2] != 0.0 \|\| adfGeoTransform[4] != 0.0 ){
373	fprintf( stderr,
374	"The -projwin option was used, but the geotransform is\n"
375	"rotated. This configuration is not supported.\n" );
376	GDALClose( hDataset );
377	CPLFree( panBandList );
378	fflush(stderr);
379	/**
380	* Avoiding GDALDestroyDriverManager() call
381	*/
382	exit( 1 );
383	}
384
385	anSrcWin[0] = (int)
386	((dfULX - adfGeoTransform[0]) / adfGeoTransform[1] + 0.001);
387	anSrcWin[1] = (int)
388	((dfULY - adfGeoTransform[3]) / adfGeoTransform[5] + 0.001);
389
390	anSrcWin[2] = (int) ((dfLRX - dfULX) / adfGeoTransform[1] + 0.5);
391	anSrcWin[3] = (int) ((dfLRY - dfULY) / adfGeoTransform[5] + 0.5);
392
393	if( !bQuiet )
394	fprintf( stdout,
395	"Computed -srcwin %d %d %d %d from projected window.\n",
396	anSrcWin[0],
397	anSrcWin[1],
398	anSrcWin[2],
399	anSrcWin[3] );
400
401	if( anSrcWin[0] < 0 \|\| anSrcWin[1] < 0
402	\|\| anSrcWin[0] + anSrcWin[2] > GDALGetRasterXSize(hDataset)
403	\|\| anSrcWin[1] + anSrcWin[3] > GDALGetRasterYSize(hDataset) )
404	{
405	fprintf( stderr,
406	"Computed -srcwin falls outside raster size of %dx%d.\n",
407	GDALGetRasterXSize(hDataset),
408	GDALGetRasterYSize(hDataset) );
409	exit( 1 );
410	}
411	}
412
413	/* ----------------------------------------------------------------- */
414	/* Verify source window. */
415	/* ----------------------------------------------------------------- */
416	if( anSrcWin[0] < 0 \|\| anSrcWin[1] < 0
417	\|\| anSrcWin[2] <= 0 \|\| anSrcWin[3] <= 0
418	\|\| anSrcWin[0] + anSrcWin[2] > GDALGetRasterXSize(hDataset)
419	\|\| anSrcWin[1] + anSrcWin[3] > GDALGetRasterYSize(hDataset) )
420	{
421	fprintf( stderr,
422	"-srcwin %d %d %d %d falls outside raster size of %dx%d\n"
423	"or is otherwise illegal.\n",
424	anSrcWin[0],
425	anSrcWin[1],
426	anSrcWin[2],
427	anSrcWin[3],
428	GDALGetRasterXSize(hDataset),
429	GDALGetRasterYSize(hDataset) );
430	exit( 1 );
431	}
432
433	/* ----------------------------------------------------------------- */
434	/* Find the output driver. */
435	/* ----------------------------------------------------------------- */
436	hDriver = GDALGetDriverByName( pszFormat );
437	if( hDriver == NULL )
438	{
439	int iDr;
440
441	printf( "Output driver `%s' not recognised.\n", pszFormat );
442	printf( "The following format drivers are configured and support output:\n" );
443	for( iDr = 0; iDr < GDALGetDriverCount(); iDr++ )
444	{
445	GDALDriverH hDriver = GDALGetDriver(iDr);
446
447	if( GDALGetMetadataItem( hDriver, GDAL_DCAP_CREATE, NULL ) != NULL
448	\|\| GDALGetMetadataItem( hDriver, GDAL_DCAP_CREATECOPY,
449	NULL ) != NULL )
450	{
451	printf( " %s: %s\n",
452	GDALGetDriverShortName( hDriver ),
453	GDALGetDriverLongName( hDriver ) );
454	}
455	}
456	printf( "\n" );
457
458	GDALClose( hDataset );
459	CPLFree( panBandList );
460	fflush(stderr);
461	/**
462	* Avoiding GDALDestroyDriverManager() call
463	*/
464	CSLDestroy( papszCreateOptions );
465	exit( 1 );
466	}
467
468	/* ----------------------------------------------------------------- */
469	/* The short form is to CreateCopy(). We use this if the input */
470	/* matches the whole dataset. Eventually we should rewrite */
471	/* this entire program to use virtual datasets to construct a */
472	/* virtual input source to copy from. */
473	/* ----------------------------------------------------------------- */
474	if( eOutputType == GDT_Unknown
475	&& !bScale && CSLCount(papszMetadataOptions) == 0 && bDefBands
476	&& anSrcWin[0] == 0 && anSrcWin[1] == 0
477	&& anSrcWin[2] == GDALGetRasterXSize(hDataset)
478	&& anSrcWin[3] == GDALGetRasterYSize(hDataset)
479	&& pszOXSize == NULL && pszOYSize == NULL
480	&& nGCPCount == 0 && !bGotBounds
481	&& pszOutputSRS == NULL && !bSetNoData
482	&& nRGBExpand == 0)
483	{
484
485	hOutDS = GDALCreateCopy( hDriver, pszDest, hDataset,
486	bStrict, papszCreateOptions,
487	pfnProgress, NULL );
488
489	if( hOutDS != NULL )
490	GDALClose( hOutDS );
491
492	GDALClose( hDataset );
493
494	CPLFree( panBandList );
495
496	if( !bSubCall )
497	{
498	GDALDumpOpenDatasets( stderr );
499	/**
500	* Avoiding GDALDestroyDriverManager() call
501	*/
502	}
503
504	CSLDestroy( papszCreateOptions );
505	outputs=(maps)malloc(sizeof(maps));
506	outputs->name="OutputedPolygon";
507	outputs->content=createMap("value",(char*)pszDest);
508	outputs->next=NULL;
509
510	return SERVICE_SUCCEEDED;
511	}
512	fprintf(stderr,"==%s %s %s %==\n",pszFormat,pszSource,pszDest);
513	fflush(stderr);
514
515	/* ----------------------------------------------------------------- */
516	/* Establish some parameters. */
517	/* ----------------------------------------------------------------- */
518	if( pszOXSize == NULL )
519	{
520	nOXSize = anSrcWin[2];
521	nOYSize = anSrcWin[3];
522	}
523	else
524	{
525	nOXSize = (int) ((pszOXSize[strlen(pszOXSize)-1]=='%'
526	? atof(pszOXSize)/100*anSrcWin[2] : atoi(pszOXSize)));
527	nOYSize = (int) ((pszOYSize[strlen(pszOYSize)-1]=='%'
528	? atof(pszOYSize)/100*anSrcWin[3] : atoi(pszOYSize)));
529	}
530	fprintf(stderr,"==%s %s %s %==\n",pszFormat,pszSource,pszDest);
531	fflush(stderr);
532
533	/* ================================================================= */
534	/* Create a virtual dataset. */
535	/* ================================================================= */
536	VRTDataset *poVDS;
537
538	/* ----------------------------------------------------------------- */
539	/* Make a virtual clone. */
540	/* ----------------------------------------------------------------- */
541	poVDS = (VRTDataset *) VRTCreate( nOXSize, nOYSize );
542
543	if( nGCPCount == 0 )
544	{
545	if( pszOutputSRS != NULL )
546	{
547	poVDS->SetProjection( pszOutputSRS );
548	}
549	else
550	{
551	pszProjection = GDALGetProjectionRef( hDataset );
552	if( pszProjection != NULL && strlen(pszProjection) > 0 )
553	poVDS->SetProjection( pszProjection );
554	}
555	}
556
557	if( bGotBounds )
558	{
559	adfGeoTransform[0] = adfULLR[0];
560	adfGeoTransform[1] = (adfULLR[2] - adfULLR[0]) / nOXSize;
561	adfGeoTransform[2] = 0.0;
562	adfGeoTransform[3] = adfULLR[1];
563	adfGeoTransform[4] = 0.0;
564	adfGeoTransform[5] = (adfULLR[3] - adfULLR[1]) / nOYSize;
565
566	poVDS->SetGeoTransform( adfGeoTransform );
567	}
568
569	else if( GDALGetGeoTransform( hDataset, adfGeoTransform ) == CE_None
570	&& nGCPCount == 0 )
571	{
572	adfGeoTransform[0] += anSrcWin[0] * adfGeoTransform[1]
573	+ anSrcWin[1] * adfGeoTransform[2];
574	adfGeoTransform[3] += anSrcWin[0] * adfGeoTransform[4]
575	+ anSrcWin[1] * adfGeoTransform[5];
576
577	adfGeoTransform[1] *= anSrcWin[2] / (double) nOXSize;
578	adfGeoTransform[2] *= anSrcWin[3] / (double) nOYSize;
579	adfGeoTransform[4] *= anSrcWin[2] / (double) nOXSize;
580	adfGeoTransform[5] *= anSrcWin[3] / (double) nOYSize;
581
582	poVDS->SetGeoTransform( adfGeoTransform );
583	}
584
585	if( nGCPCount != 0 )
586	{
587	const char *pszGCPProjection = pszOutputSRS;
588
589	if( pszGCPProjection == NULL )
590	pszGCPProjection = GDALGetGCPProjection( hDataset );
591	if( pszGCPProjection == NULL )
592	pszGCPProjection = "";
593
594	poVDS->SetGCPs( nGCPCount, pasGCPs, pszGCPProjection );
595
596	GDALDeinitGCPs( nGCPCount, pasGCPs );
597	CPLFree( pasGCPs );
598	}
599
600	else if( GDALGetGCPCount( hDataset ) > 0 )
601	{
602	GDAL_GCP *pasGCPs;
603	int nGCPs = GDALGetGCPCount( hDataset );
604
605	pasGCPs = GDALDuplicateGCPs( nGCPs, GDALGetGCPs( hDataset ) );
606
607	for( i = 0; i < nGCPs; i++ )
608	{
609	pasGCPs[i].dfGCPPixel -= anSrcWin[0];
610	pasGCPs[i].dfGCPLine -= anSrcWin[1];
611	pasGCPs[i].dfGCPPixel *= (nOXSize / (double) anSrcWin[2] );
612	pasGCPs[i].dfGCPLine *= (nOYSize / (double) anSrcWin[3] );
613	}
614
615	poVDS->SetGCPs( nGCPs, pasGCPs,
616	GDALGetGCPProjection( hDataset ) );
617
618	GDALDeinitGCPs( nGCPs, pasGCPs );
619	CPLFree( pasGCPs );
620	}
621
622	/* ----------------------------------------------------------------- */
623	/* Transfer generally applicable metadata. */
624	/* ----------------------------------------------------------------- */
625	poVDS->SetMetadata( ((GDALDataset*)hDataset)->GetMetadata() );
626	AttachMetadata( (GDALDatasetH) poVDS, papszMetadataOptions );
627	fprintf(stderr,"Transfer generally applicable metadata.\n");
628	fflush(stderr);
629
630	/* ----------------------------------------------------------------- */
631	/* Transfer metadata that remains valid if the spatial */
632	/* arrangement of the data is unaltered. */
633	/* ----------------------------------------------------------------- */
634	if( anSrcWin[0] == 0 && anSrcWin[1] == 0
635	&& anSrcWin[2] == GDALGetRasterXSize(hDataset)
636	&& anSrcWin[3] == GDALGetRasterYSize(hDataset)
637	&& pszOXSize == NULL && pszOYSize == NULL )
638	{
639	char **papszMD;
640
641	papszMD = ((GDALDataset*)hDataset)->GetMetadata("RPC");
642	if( papszMD != NULL )
643	poVDS->SetMetadata( papszMD, "RPC" );
644	}
645
646	if (nRGBExpand != 0)
647	nBandCount += nRGBExpand - 1;
648
649	/* ================================================================= */
650	/* Process all bands. */
651	/* ================================================================= */
652	for( i = 0; i < nBandCount; i++ )
653	{
654	VRTSourcedRasterBand *poVRTBand;
655	GDALRasterBand *poSrcBand;
656	GDALDataType eBandType;
657
658	if (nRGBExpand != 0 && i < nRGBExpand)
659	{
660	poSrcBand = ((GDALDataset *)
661	hDataset)->GetRasterBand(panBandList[0]);
662	if (poSrcBand->GetColorTable() == NULL)
663	{
664	fprintf(stderr, "Error : band %d has no color table\n", panBandList[0]);
665	GDALClose( hDataset );
666	CPLFree( panBandList );
667	fflush(stderr);
668	/**
669	* Avoiding GDALDestroyDriverManager() call
670	*/
671	CSLDestroy( papszCreateOptions );
672	exit( 1 );
673	}
674	}
675	else
676	poSrcBand = ((GDALDataset *)
677	hDataset)->GetRasterBand(panBandList[i]);
678
679	/* ------------------------------------------------------------ */
680	/* Select output data type to match source. */
681	/* ------------------------------------------------------------ */
682	if( eOutputType == GDT_Unknown )
683	eBandType = poSrcBand->GetRasterDataType();
684	else
685	eBandType = eOutputType;
686
687	/* ------------------------------------------------------------ */
688	/* Create this band. */
689	/* ------------------------------------------------------------ */
690	poVDS->AddBand( eBandType, NULL );
691	poVRTBand = (VRTSourcedRasterBand *) poVDS->GetRasterBand( i+1 );
692
693	/* ------------------------------------------------------------ */
694	/* Do we need to collect scaling information? */
695	/* ------------------------------------------------------------ */
696	double dfScale=1.0, dfOffset=0.0;
697
698	if( bScale && !bHaveScaleSrc )
699	{
700	double adfCMinMax[2];
701	GDALComputeRasterMinMax( poSrcBand, TRUE, adfCMinMax );
702	dfScaleSrcMin = adfCMinMax[0];
703	dfScaleSrcMax = adfCMinMax[1];
704	}
705
706	if( bScale )
707	{
708	if( dfScaleSrcMax == dfScaleSrcMin )
709	dfScaleSrcMax += 0.1;
710	if( dfScaleDstMax == dfScaleDstMin )
711	dfScaleDstMax += 0.1;
712
713	dfScale = (dfScaleDstMax - dfScaleDstMin)
714	/ (dfScaleSrcMax - dfScaleSrcMin);
715	dfOffset = -1 * dfScaleSrcMin * dfScale + dfScaleDstMin;
716	}
717
718	/* ------------------------------------------------------------ */
719	/* Create a simple or complex data source depending on the */
720	/* translation type required. */
721	/* ------------------------------------------------------------ */
722	if( bScale \|\| (nRGBExpand != 0 && i < nRGBExpand) )
723	{
724	poVRTBand->AddComplexSource( poSrcBand,
725	anSrcWin[0], anSrcWin[1],
726	anSrcWin[2], anSrcWin[3],
727	0, 0, nOXSize, nOYSize,
728	dfOffset, dfScale,
729	VRT_NODATA_UNSET,
730	(nRGBExpand != 0 && i < nRGBExpand) ? i + 1 : 0 );
731	}
732	else
733	poVRTBand->AddSimpleSource( poSrcBand,
734	anSrcWin[0], anSrcWin[1],
735	anSrcWin[2], anSrcWin[3],
736	0, 0, nOXSize, nOYSize );
737
738	/* In case of color table translate, we only set the color interpretation */
739	/* other info copied by CopyCommonInfoFrom are not relevant in RGB expansion */
740	if (nRGBExpand != 0 && i < nRGBExpand)
741	{
742	poVRTBand->SetColorInterpretation( (GDALColorInterp) (GCI_RedBand + i) );
743	}
744	else
745	{
746	/* --------------------------------------------------------- */
747	/* copy over some other information of interest. */
748	/* --------------------------------------------------------- */
749	poVRTBand->CopyCommonInfoFrom( poSrcBand );
750	}
751
752	/* ------------------------------------------------------------- */
753	/* Set a forcable nodata value? */
754	/* ------------------------------------------------------------- */
755	if( bSetNoData )
756	poVRTBand->SetNoDataValue( dfNoDataReal );
757	}
758
759	/* ----------------------------------------------------------------- */
760	/* Write to the output file using CopyCreate(). */
761	/* ----------------------------------------------------------------- */
762	fprintf(stderr,"DEBUG pszDest %s\n",pszDest);
763	hOutDS = GDALCreateCopy( hDriver, pszDest, (GDALDatasetH) poVDS,
764	bStrict, papszCreateOptions,
765	pfnProgress, NULL );
766	fprintf(stderr,"DEBUG pszDest %s\n",pszDest);
767	fflush(stderr);
768
769	if( hOutDS != NULL )
770	{
771	GDALClose( hOutDS );
772	}
773
774	GDALClose( (GDALDatasetH) poVDS );
775
776	GDALClose( hDataset );
777
778	CPLFree( panBandList );
779
780	CPLFree( pszOutputSRS );
781
782	if( !bSubCall )
783	{
784	GDALDumpOpenDatasets( stderr );
785	fflush(stderr);
786	/**
787	* Avoiding GDALDestroyDriverManager() call
788	*/
789	}
790
791	CSLDestroy( papszCreateOptions );
792
793	outputs=(maps)malloc(sizeof(maps));
794	outputs->name="OutputedPolygon";
795	outputs->content=createMap("value",(char*)pszDest);
796	outputs->next=NULL;
797
798	return SERVICE_SUCCEEDED;
799	}
800
801
802	/************************************************************************/
803	/* AttachMetadata() */
804	/************************************************************************/
805
806	static void AttachMetadata( GDALDatasetH hDS, char **papszMetadataOptions )
807
808	{
809	int nCount = CSLCount(papszMetadataOptions);
810	int i;
811
812	for( i = 0; i < nCount; i++ )
813	{
814	char *pszKey = NULL;
815	const char *pszValue;
816
817	pszValue = CPLParseNameValue( papszMetadataOptions[i], &pszKey );
818	GDALSetMetadataItem(hDS,pszKey,pszValue,NULL);
819	CPLFree( pszKey );
820	}
821
822	CSLDestroy( papszMetadataOptions );
823	}
824
825	}

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Open WPS platform

source: trunk/zoo-services/gdal/translate/service.c @ 82

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