service.c @ 446

Last change on this file since 446 was 373, checked in by djay, 14 years ago
Fix vrtdataset.h location.
Property svn:eol-style set to `native` Property svn:mime-type set to `text/x-csrc`
File size: 30.2 KB

Line
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	CPL_CVSID("$Id$");
40
41	extern "C" {
42
43	static void AttachMetadata( GDALDatasetH, char ** );
44	static int bSubCall = FALSE;
45
46	/************************************************************************/
47	/* Gdal_Translate() */
48	/************************************************************************/
49
50	#ifdef WIN32
51	__declspec(dllexport)
52	#endif
53	int Gdal_Translate(maps& conf,maps& inputs,maps*& outputs)
54	{
55
56
57	GDALDatasetH hDataset, hOutDS;
58	int i;
59	int nRasterXSize, nRasterYSize;
60	const char pszSource=NULL, pszDest=NULL, *pszFormat = "GTiff";
61	GDALDriverH hDriver;
62	int *panBandList = NULL, nBandCount = 0, bDefBands = TRUE;
63	double adfGeoTransform[6];
64	GDALDataType eOutputType = GDT_Unknown;
65	int nOXSize = 0, nOYSize = 0;
66	char pszOXSize=NULL, pszOYSize=NULL;
67	char **papszCreateOptions = NULL;
68	int anSrcWin[4], bStrict = FALSE;
69	const char *pszProjection;
70	int bScale = FALSE, bHaveScaleSrc = FALSE;
71	double dfScaleSrcMin=0.0, dfScaleSrcMax=255.0;
72	double dfScaleDstMin=0.0, dfScaleDstMax=255.0;
73	double dfULX, dfULY, dfLRX, dfLRY;
74	char **papszMetadataOptions = NULL;
75	char *pszOutputSRS = NULL;
76	int bQuiet = TRUE, bGotBounds = FALSE;
77	GDALProgressFunc pfnProgress = GDALDummyProgress;
78	int nGCPCount = 0;
79	GDAL_GCP *pasGCPs = NULL;
80	int iSrcFileArg = -1, iDstFileArg = -1;
81	int bCopySubDatasets = FALSE;
82	double adfULLR[4] = { 0,0,0,0 };
83	int bSetNoData = FALSE;
84	double dfNoDataReal = 0.0;
85	int nRGBExpand = 0;
86
87	anSrcWin[0] = 0;
88	anSrcWin[1] = 0;
89	anSrcWin[2] = 0;
90	anSrcWin[3] = 0;
91
92	dfULX = dfULY = dfLRX = dfLRY = 0.0;
93
94	/* ----------------------------------------------------------------- */
95	/* Register standard GDAL drivers, and process generic GDAL */
96	/* ----------------------------------------------------------------- */
97	GDALAllRegister();
98	/* ----------------------------------------------------------------- */
99	/* Extract Format, InputDSN, OutputDSN parameters */
100	/* ----------------------------------------------------------------- */
101
102	map* tmpMap=NULL;
103
104	char dataPath[1024];
105	tmpMap=getMapFromMaps(conf,"main","dataPath");
106	if(tmpMap!=NULL)
107	sprintf(dataPath,"%s",tmpMap->value);
108	tmpMap=NULL;
109
110	char tempPath[1024];
111	tmpMap=getMapFromMaps(conf,"main","tmpPath");
112	if(tmpMap!=NULL){
113	sprintf(tempPath,"%s",tmpMap->value);
114	}
115	tmpMap=NULL;
116
117	tmpMap=getMapFromMaps(inputs,"Format","value");
118	if(tmpMap!=NULL){
119	pszFormat=tmpMap->value;
120	}
121	tmpMap=NULL;
122	tmpMap=getMapFromMaps(inputs,"InputDSN","value");
123	if(tmpMap!=NULL){
124	pszSource=(char)CPLMalloc(sizeof(char)(strlen(dataPath)+strlen(tmpMap->value)+4));
125	sprintf((char*)pszSource,"%s/%s",dataPath,tmpMap->value);
126	}
127	tmpMap=NULL;
128	tmpMap=getMapFromMaps(inputs,"OutputDSN","value");
129	if(tmpMap!=NULL){
130	pszDest=(char)CPLMalloc(sizeof(char)(strlen(tempPath)+strlen(tmpMap->value)+4));
131	char *ext=new char[4];
132	ext="tif";
133	if(strncasecmp(pszFormat,"AAIGRID",7)==0)
134	ext="csv";
135	else
136	if(strncasecmp(pszFormat,"PNG",3)==0)
137	ext="png";
138	else
139	if(strncasecmp(pszFormat,"GIF",3)==0)
140	ext="gif";
141	else
142	if(strncasecmp(pszFormat,"JPEG",4)==0)
143	ext="jpg";
144	sprintf((char*)pszDest,"%s/%s.%s",tempPath,tmpMap->value,ext);
145	fprintf(stderr,"DEBUG pszDest : %s\n",pszDest);
146	}
147	tmpMap=NULL;
148	tmpMap=getMapFromMaps(inputs,"ProjWin","value");
149	if(tmpMap!=NULL){
150	char *tmp=tmpMap->value;
151	char *t=strtok(tmp,",");
152	int cnt=0;
153	while(t!=NULL){
154	switch(cnt){
155	case 0:
156	dfULX = atof(t);
157	break;
158	case 1:
159	dfULY = atof(t);
160	break;
161	case 2:
162	dfLRX = atof(t);
163	break;
164	case 3:
165	dfLRY = atof(t);
166	break;
167	}
168	t=strtok(NULL,",");
169	cnt++;
170	}
171	}
172
173	fprintf(stderr,"DEBUG pszDest : %s %d\n",pszDest,__LINE__);
174	tmpMap=NULL;
175	tmpMap=getMapFromMaps(inputs,"GCP","value");
176	if(tmpMap!=NULL && strncasecmp(tmpMap->value,"NULL",4)!=0){
177	map* length=getMapFromMaps(inputs,"GCP","length");
178	int len=0;
179	if(length){
180	len=atoi(length->value);
181	int i;
182	maps* currentMaps=getMaps(inputs,"GCP");
183	for(i=0;i<len;i++){
184	char* endptr = NULL;
185	/* -gcp pixel line easting northing [elev] */
186
187	nGCPCount++;
188	pasGCPs = (GDAL_GCP *)
189	realloc( pasGCPs, sizeof(GDAL_GCP) * nGCPCount );
190	GDALInitGCPs( 1, pasGCPs + nGCPCount - 1 );
191
192	map* currentMap=getMapArray(currentMaps->content,"value",i);
193
194	char* tmpV=strdup(currentMap->value);
195	char *res=strtok(tmpV,",");
196	int j=0;
197	while(res!=NULL){
198	switch(j){
199	case 0:
200	pasGCPs[nGCPCount-1].dfGCPPixel = CPLAtofM(res);
201	break;
202	case 1:
203	pasGCPs[nGCPCount-1].dfGCPLine = CPLAtofM(res);
204	break;
205	case 2:
206	pasGCPs[nGCPCount-1].dfGCPX = CPLAtofM(res);
207	break;
208	case 3:
209	pasGCPs[nGCPCount-1].dfGCPY = CPLAtofM(res);
210	break;
211	case 4:
212	if(res!=NULL && (strtod(res, &endptr) != 0.0 \|\| res[0] == '0'))
213	if (endptr && *endptr == 0)
214	pasGCPs[nGCPCount-1].dfGCPZ = CPLAtofM(res);
215	break;
216	}
217	res=strtok(NULL,",");
218	j++;
219	}
220	}
221	}else{
222	char* endptr = NULL;
223	/* -gcp pixel line easting northing [elev] */
224
225	nGCPCount++;
226	pasGCPs = (GDAL_GCP *)
227	realloc( pasGCPs, sizeof(GDAL_GCP) * nGCPCount );
228	GDALInitGCPs( 1, pasGCPs + nGCPCount - 1 );
229
230	char* tmpV=strdup(tmpMap->value);
231	char *res=strtok(tmpV,",");
232	int j=0;
233	while(res!=NULL){
234	switch(j){
235	case 0:
236	pasGCPs[nGCPCount-1].dfGCPPixel = CPLAtofM(res);
237	break;
238	case 1:
239	pasGCPs[nGCPCount-1].dfGCPLine = CPLAtofM(res);
240	break;
241	case 2:
242	pasGCPs[nGCPCount-1].dfGCPX = CPLAtofM(res);
243	break;
244	case 3:
245	pasGCPs[nGCPCount-1].dfGCPY = CPLAtofM(res);
246	break;
247	case 4:
248	if(res!=NULL && (CPLStrtod(res, &endptr) != 0.0 \|\| res[0] == '0'))
249	if (endptr && *endptr == 0)
250	pasGCPs[nGCPCount-1].dfGCPZ = CPLAtofM(res);
251	break;
252	}
253	res=strtok(NULL,",");
254	j++;
255	}
256	}
257	}
258
259	fprintf(stderr,"DEBUG pszDest : %s %d\n",pszDest,__LINE__);
260	tmpMap=NULL;
261	tmpMap=getMapFromMaps(inputs,"SRS","value");
262	if(tmpMap!=NULL){
263	OGRSpatialReference oOutputSRS;
264	if( oOutputSRS.SetFromUserInput( tmpMap->value ) != OGRERR_NONE )
265	{
266	char msg=(char)CPLMalloc(100*sizeof(char));
267	sprintf( msg, "Failed to process SRS definition: %s\n",
268	tmpMap->value );
269	setMapInMaps(conf,"lenv","message",msg);
270	/**
271	* Avoiding GDALDestroyDriverManager() call
272	*/
273	return SERVICE_FAILED;
274	}
275	oOutputSRS.exportToWkt( &pszOutputSRS );
276	}
277	tmpMap=NULL;
278	tmpMap=getMapFromMaps(inputs,"Type","value");
279	if(tmpMap!=NULL){
280	int iType;
281
282	for( iType = 1; iType < GDT_TypeCount; iType++ )
283	{
284	if( GDALGetDataTypeName((GDALDataType)iType) != NULL
285	&& EQUAL(GDALGetDataTypeName((GDALDataType)iType),
286	tmpMap->value) )
287	{
288	eOutputType = (GDALDataType) iType;
289	}
290	}
291
292	if( eOutputType == GDT_Unknown )
293	{
294	printf( "Unknown output pixel type: %s\n", tmpMap->value );
295	/**
296	* Avoiding GDALDestroyDriverManager() call
297	*/
298	exit( 2 );
299	}
300	}
301
302	fprintf(stderr,"DEBUG pszDest : %s %d\n",pszDest,__LINE__);
303	if( pszDest == NULL ){
304	fprintf(stderr,"exit line 416");
305	fflush(stderr);
306	/**
307	* Avoiding GDALDestroyDriverManager() call
308	*/
309	exit( 10 );
310	}
311
312	fprintf(stderr,"DEBUG pszDest : %s %d\n",pszDest,__LINE__);
313	if ( strcmp(pszSource, pszDest) == 0)
314	{
315	fprintf(stderr, "Source and destination datasets must be different.\n");
316	fflush(stderr);
317	/**
318	* Avoiding GDALDestroyDriverManager() call
319	*/
320	exit( 1 );
321	}
322
323	fprintf(stderr,"DEBUG pszDest : %s %d\n",pszDest,__LINE__);
324	/* ----------------------------------------------------------------- */
325	/* Attempt to open source file. */
326	/* ----------------------------------------------------------------- */
327
328	hDataset = GDALOpenShared( pszSource, GA_ReadOnly );
329	fprintf(stderr,"DEBUG pszDest : %s %d\n",pszDest,__LINE__);
330
331	if( hDataset == NULL ){
332	char msg=(char) CPLMalloc(1024*sizeof(char));
333	sprintf( msg,
334	"GDALOpen failed - %d\n%s\n",
335	CPLGetLastErrorNo(), CPLGetLastErrorMsg() );
336	setMapInMaps(conf,"lenv","message",msg);
337	return SERVICE_FAILED;
338	}
339
340	fprintf(stderr,"DEBUG pszDest : %s %d\n",pszDest,__LINE__);
341	/* ----------------------------------------------------------------- */
342	/* Handle subdatasets. */
343	/* ----------------------------------------------------------------- */
344	if( !bCopySubDatasets
345	&& CSLCount(GDALGetMetadata( hDataset, "SUBDATASETS" )) > 0
346	&& GDALGetRasterCount(hDataset) == 0 )
347	{
348	char msg=(char) CPLMalloc(1024*sizeof(char));
349	sprintf( msg,
350	"Input file contains subdatasets. Please, select one of them for reading.\n" );
351	setMapInMaps(conf,"lenv","message",msg);
352	GDALClose( hDataset );
353	/**
354	* Avoiding GDALDestroyDriverManager() call
355	*/
356	exit( 1 );
357	}
358
359	if( CSLCount(GDALGetMetadata( hDataset, "SUBDATASETS" )) > 0
360	&& bCopySubDatasets )
361	{
362	char **papszSubdatasets = GDALGetMetadata(hDataset,"SUBDATASETS");
363	char pszSubDest = (char ) CPLMalloc(strlen(pszDest)+32);
364	int i;
365	int bOldSubCall = bSubCall;
366
367	//argv[iDstFileArg] = pszSubDest;
368	bSubCall = TRUE;
369	for( i = 0; papszSubdatasets[i] != NULL; i += 2 )
370	{
371	//argv[iSrcFileArg] = strstr(papszSubdatasets[i],"=")+1;
372	sprintf( pszSubDest, "%s%d", pszDest, i/2 + 1 );
373	/*if( ProxyMain( argc, argv ) != 0 )
374	break;*/
375	}
376
377	bSubCall = bOldSubCall;
378	free( pszSubDest );
379
380	GDALClose( hDataset );
381
382	if( !bSubCall )
383	{
384	GDALDumpOpenDatasets( stderr );
385	fflush(stderr);
386	/**
387	* Avoiding GDALDestroyDriverManager() call
388	*/
389	}
390	return 1;
391	}
392
393	/* ----------------------------------------------------------------- */
394	/* Collect some information from the source file. */
395	/* ----------------------------------------------------------------- */
396	nRasterXSize = GDALGetRasterXSize( hDataset );
397	nRasterYSize = GDALGetRasterYSize( hDataset );
398
399	if( !bQuiet )
400	fprintf( stderr, "Input file size is %d, %d\n", nRasterXSize, nRasterYSize );
401
402	if( anSrcWin[2] == 0 && anSrcWin[3] == 0 ){
403	anSrcWin[2] = nRasterXSize;
404	anSrcWin[3] = nRasterYSize;
405	}
406
407	/* ----------------------------------------------------------------- */
408	/* Build band list to translate */
409	/* ----------------------------------------------------------------- */
410	if( nBandCount == 0 ){
411	nBandCount = GDALGetRasterCount( hDataset );
412	if( nBandCount == 0 ){
413	fprintf( stderr, "Input file has no bands, and so cannot be translated.\n" );
414	fflush(stderr);
415	/**
416	* Avoiding GDALDestroyDriverManager() call
417	*/
418	exit(1 );
419	}
420
421	panBandList = (int ) CPLMalloc(sizeof(int)nBandCount);
422	for( i = 0; i < nBandCount; i++ )
423	panBandList[i] = i+1;
424	}
425	else
426	{
427	for( i = 0; i < nBandCount; i++ )
428	{
429	if( panBandList[i] < 1 \|\| panBandList[i] > GDALGetRasterCount(hDataset) )
430	{
431	fprintf( stderr,
432	"Band %d requested, but only bands 1 to %d available.\n",
433	panBandList[i], GDALGetRasterCount(hDataset) );
434	fflush(stderr);
435	/**
436	* Avoiding GDALDestroyDriverManager() call
437	*/
438	exit( 2 );
439	}
440	}
441
442	if( nBandCount != GDALGetRasterCount( hDataset ) )
443	bDefBands = FALSE;
444	}
445
446	/* ----------------------------------------------------------------- */
447	/* Compute the source window from the projected source window */
448	/* if the projected coordinates were provided. Note that the */
449	/* projected coordinates are in ulx, uly, lrx, lry format, */
450	/* while the anSrcWin is xoff, yoff, xsize, ysize with the */
451	/* xoff,yoff being the ulx, uly in pixel/line. */
452	/* ----------------------------------------------------------------- */
453	if( dfULX != 0.0 \|\| dfULY != 0.0
454	\|\| dfLRX != 0.0 \|\| dfLRY != 0.0 )
455	{
456	double adfGeoTransform[6];
457
458	GDALGetGeoTransform( hDataset, adfGeoTransform );
459
460	if( adfGeoTransform[2] != 0.0 \|\| adfGeoTransform[4] != 0.0 ){
461	fprintf( stderr,
462	"The -projwin option was used, but the geotransform is\n"
463	"rotated. This configuration is not supported.\n" );
464	GDALClose( hDataset );
465	free( panBandList );
466	fflush(stderr);
467	/**
468	* Avoiding GDALDestroyDriverManager() call
469	*/
470	exit( 1 );
471	}
472
473	anSrcWin[0] = (int)
474	((dfULX - adfGeoTransform[0]) / adfGeoTransform[1] + 0.001);
475	anSrcWin[1] = (int)
476	((dfULY - adfGeoTransform[3]) / adfGeoTransform[5] + 0.001);
477
478	anSrcWin[2] = (int) ((dfLRX - dfULX) / adfGeoTransform[1] + 0.5);
479	anSrcWin[3] = (int) ((dfLRY - dfULY) / adfGeoTransform[5] + 0.5);
480
481	if( !bQuiet )
482	fprintf( stdout,
483	"Computed -srcwin %d %d %d %d from projected window.\n",
484	anSrcWin[0],
485	anSrcWin[1],
486	anSrcWin[2],
487	anSrcWin[3] );
488
489	if( anSrcWin[0] < 0 \|\| anSrcWin[1] < 0
490	\|\| anSrcWin[0] + anSrcWin[2] > GDALGetRasterXSize(hDataset)
491	\|\| anSrcWin[1] + anSrcWin[3] > GDALGetRasterYSize(hDataset) )
492	{
493	fprintf( stderr,
494	"Computed -srcwin falls outside raster size of %dx%d.\n",
495	GDALGetRasterXSize(hDataset),
496	GDALGetRasterYSize(hDataset) );
497	exit( 1 );
498	}
499	}
500
501	/* ----------------------------------------------------------------- */
502	/* Verify source window. */
503	/* ----------------------------------------------------------------- */
504	if( anSrcWin[0] < 0 \|\| anSrcWin[1] < 0
505	\|\| anSrcWin[2] <= 0 \|\| anSrcWin[3] <= 0
506	\|\| anSrcWin[0] + anSrcWin[2] > GDALGetRasterXSize(hDataset)
507	\|\| anSrcWin[1] + anSrcWin[3] > GDALGetRasterYSize(hDataset) )
508	{
509	fprintf( stderr,
510	"-srcwin %d %d %d %d falls outside raster size of %dx%d\n"
511	"or is otherwise illegal.\n",
512	anSrcWin[0],
513	anSrcWin[1],
514	anSrcWin[2],
515	anSrcWin[3],
516	GDALGetRasterXSize(hDataset),
517	GDALGetRasterYSize(hDataset) );
518	exit( 1 );
519	}
520
521	/* ----------------------------------------------------------------- */
522	/* Find the output driver. */
523	/* ----------------------------------------------------------------- */
524	hDriver = GDALGetDriverByName( pszFormat );
525	if( hDriver == NULL )
526	{
527	int iDr;
528
529	char* msg=(char) CPLMalloc(4096sizeof(char));
530	sprintf(msg,"Output driver `%s' not recognised.\nThe following format drivers are configured and support output:\n",pszFormat);
531	for( iDr = 0; iDr < GDALGetDriverCount(); iDr++ )
532	{
533	GDALDriverH hDriver = GDALGetDriver(iDr);
534
535	if( GDALGetMetadataItem( hDriver, GDAL_DCAP_CREATE, NULL ) != NULL
536	\|\| GDALGetMetadataItem( hDriver, GDAL_DCAP_CREATECOPY,
537	NULL ) != NULL )
538	{
539	fprintf(stderr,msg);
540	char *tmp=strdup(msg);
541	sprintf( msg,"%s %s: %s\n",tmp,
542	GDALGetDriverShortName( hDriver ),
543	GDALGetDriverLongName( hDriver ) );
544	free(tmp);
545	}
546	}
547	setMapInMaps(conf,"lenv","message",msg);
548	GDALClose( hDataset );
549	free( panBandList );
550	fflush(stderr);
551	/**
552	* Avoiding GDALDestroyDriverManager() call
553	*/
554	CSLDestroy( papszCreateOptions );
555	return 4;
556	}
557
558	/* ----------------------------------------------------------------- */
559	/* The short form is to CreateCopy(). We use this if the input */
560	/* matches the whole dataset. Eventually we should rewrite */
561	/* this entire program to use virtual datasets to construct a */
562	/* virtual input source to copy from. */
563	/* ----------------------------------------------------------------- */
564	int bSpatialArrangementPreserved = (
565	anSrcWin[0] == 0 && anSrcWin[1] == 0
566	&& anSrcWin[2] == GDALGetRasterXSize(hDataset)
567	&& anSrcWin[3] == GDALGetRasterYSize(hDataset)
568	&& pszOXSize == NULL && pszOYSize == NULL );
569
570	if( eOutputType == GDT_Unknown
571	&& !bScale && CSLCount(papszMetadataOptions) == 0 && bDefBands
572	&& bSpatialArrangementPreserved
573	&& nGCPCount == 0 && !bGotBounds
574	&& pszOutputSRS == NULL && !bSetNoData
575	&& nRGBExpand == 0)
576	{
577
578	hOutDS = GDALCreateCopy( hDriver, pszDest, hDataset,
579	FALSE, (char**)0,
580	pfnProgress, NULL );
581
582	if( hOutDS != NULL )
583	GDALClose( hOutDS );
584
585	GDALClose( hDataset );
586
587	free( panBandList );
588
589	if( !bSubCall )
590	{
591	GDALDumpOpenDatasets( stderr );
592	/**
593	* Avoiding GDALDestroyDriverManager() call
594	*/
595	}
596	fprintf(stderr,"==%s %s %s %d==\n",pszFormat,pszSource,pszDest,__LINE__);
597	fflush(stderr);
598
599	CSLDestroy( papszCreateOptions );
600	fprintf(stderr,"==%s %s %s %d==\n",pszFormat,pszSource,pszDest,__LINE__);
601	fflush(stderr);
602	//outputs=(maps)CPLMalloc(sizeof(maps));
603	//outputs->name="OutputedPolygon";
604	//outputs->content=createMap("value",(char*)pszDest);
605	//outputs->next=NULL;
606	dumpMaps(outputs);
607	setMapInMaps(outputs,"Result","value",(char*)pszDest);
608	return SERVICE_SUCCEEDED;
609	}
610
611	/* ----------------------------------------------------------------- */
612	/* Establish some parameters. */
613	/* ----------------------------------------------------------------- */
614	if( pszOXSize == NULL )
615	{
616	nOXSize = anSrcWin[2];
617	nOYSize = anSrcWin[3];
618	}
619	else
620	{
621	nOXSize = (int) ((pszOXSize[strlen(pszOXSize)-1]=='%'
622	? atof(pszOXSize)/100*anSrcWin[2] : atoi(pszOXSize)));
623	nOYSize = (int) ((pszOYSize[strlen(pszOYSize)-1]=='%'
624	? atof(pszOYSize)/100*anSrcWin[3] : atoi(pszOYSize)));
625	}
626
627	/* ================================================================= */
628	/* Create a virtual dataset. */
629	/* ================================================================= */
630	VRTDataset *poVDS;
631
632	/* ----------------------------------------------------------------- */
633	/* Make a virtual clone. */
634	/* ----------------------------------------------------------------- */
635	poVDS = (VRTDataset *) VRTCreate( nOXSize, nOYSize );
636
637	if( nGCPCount == 0 )
638	{
639	if( pszOutputSRS != NULL )
640	{
641	poVDS->SetProjection( pszOutputSRS );
642	}
643	else
644	{
645	pszProjection = GDALGetProjectionRef( hDataset );
646	if( pszProjection != NULL && strlen(pszProjection) > 0 )
647	poVDS->SetProjection( pszProjection );
648	}
649	}
650
651	if( bGotBounds )
652	{
653	adfGeoTransform[0] = adfULLR[0];
654	adfGeoTransform[1] = (adfULLR[2] - adfULLR[0]) / nOXSize;
655	adfGeoTransform[2] = 0.0;
656	adfGeoTransform[3] = adfULLR[1];
657	adfGeoTransform[4] = 0.0;
658	adfGeoTransform[5] = (adfULLR[3] - adfULLR[1]) / nOYSize;
659
660	poVDS->SetGeoTransform( adfGeoTransform );
661	}
662
663	else if( GDALGetGeoTransform( hDataset, adfGeoTransform ) == CE_None
664	&& nGCPCount == 0 )
665	{
666	adfGeoTransform[0] += anSrcWin[0] * adfGeoTransform[1]
667	+ anSrcWin[1] * adfGeoTransform[2];
668	adfGeoTransform[3] += anSrcWin[0] * adfGeoTransform[4]
669	+ anSrcWin[1] * adfGeoTransform[5];
670
671	adfGeoTransform[1] *= anSrcWin[2] / (double) nOXSize;
672	adfGeoTransform[2] *= anSrcWin[3] / (double) nOYSize;
673	adfGeoTransform[4] *= anSrcWin[2] / (double) nOXSize;
674	adfGeoTransform[5] *= anSrcWin[3] / (double) nOYSize;
675
676	poVDS->SetGeoTransform( adfGeoTransform );
677	}
678
679	if( nGCPCount != 0 )
680	{
681	const char *pszGCPProjection = pszOutputSRS;
682
683	if( pszGCPProjection == NULL )
684	pszGCPProjection = GDALGetGCPProjection( hDataset );
685	if( pszGCPProjection == NULL )
686	pszGCPProjection = "";
687
688	poVDS->SetGCPs( nGCPCount, pasGCPs, pszGCPProjection );
689
690	GDALDeinitGCPs( nGCPCount, pasGCPs );
691	free( pasGCPs );
692	}
693
694	else if( GDALGetGCPCount( hDataset ) > 0 )
695	{
696	GDAL_GCP *pasGCPs;
697	int nGCPs = GDALGetGCPCount( hDataset );
698
699	pasGCPs = GDALDuplicateGCPs( nGCPs, GDALGetGCPs( hDataset ) );
700
701	for( i = 0; i < nGCPs; i++ )
702	{
703	pasGCPs[i].dfGCPPixel -= anSrcWin[0];
704	pasGCPs[i].dfGCPLine -= anSrcWin[1];
705	pasGCPs[i].dfGCPPixel *= (nOXSize / (double) anSrcWin[2] );
706	pasGCPs[i].dfGCPLine *= (nOYSize / (double) anSrcWin[3] );
707	}
708
709	poVDS->SetGCPs( nGCPs, pasGCPs,
710	GDALGetGCPProjection( hDataset ) );
711
712	GDALDeinitGCPs( nGCPs, pasGCPs );
713	free( pasGCPs );
714	}
715
716	/* ----------------------------------------------------------------- */
717	/* Transfer generally applicable metadata. */
718	/* ----------------------------------------------------------------- */
719	poVDS->SetMetadata( ((GDALDataset*)hDataset)->GetMetadata() );
720	AttachMetadata( (GDALDatasetH) poVDS, papszMetadataOptions );
721
722	/* ----------------------------------------------------------------- */
723	/* Transfer metadata that remains valid if the spatial */
724	/* arrangement of the data is unaltered. */
725	/* ----------------------------------------------------------------- */
726	if( anSrcWin[0] == 0 && anSrcWin[1] == 0
727	&& anSrcWin[2] == GDALGetRasterXSize(hDataset)
728	&& anSrcWin[3] == GDALGetRasterYSize(hDataset)
729	&& pszOXSize == NULL && pszOYSize == NULL )
730	{
731	char **papszMD;
732
733	papszMD = ((GDALDataset*)hDataset)->GetMetadata("RPC");
734	if( papszMD != NULL )
735	poVDS->SetMetadata( papszMD, "RPC" );
736	}
737
738	if (nRGBExpand != 0)
739	nBandCount += nRGBExpand - 1;
740
741	/* ================================================================= */
742	/* Process all bands. */
743	/* ================================================================= */
744	for( i = 0; i < nBandCount; i++ )
745	{
746	VRTSourcedRasterBand *poVRTBand;
747	GDALRasterBand *poSrcBand;
748	GDALDataType eBandType;
749
750	if (nRGBExpand != 0 && i < nRGBExpand)
751	{
752	poSrcBand = ((GDALDataset *)
753	hDataset)->GetRasterBand(panBandList[0]);
754	if (poSrcBand->GetColorTable() == NULL)
755	{
756	fprintf(stderr, "Error : band %d has no color table\n", panBandList[0]);
757	GDALClose( hDataset );
758	free( panBandList );
759	fflush(stderr);
760	/**
761	* Avoiding GDALDestroyDriverManager() call
762	*/
763	CSLDestroy( papszCreateOptions );
764	exit( 1 );
765	}
766	}
767	else
768	poSrcBand = ((GDALDataset *)
769	hDataset)->GetRasterBand(panBandList[i]);
770
771	/* ------------------------------------------------------------ */
772	/* Select output data type to match source. */
773	/* ------------------------------------------------------------ */
774	if( eOutputType == GDT_Unknown )
775	eBandType = poSrcBand->GetRasterDataType();
776	else
777	eBandType = eOutputType;
778
779	/* ------------------------------------------------------------ */
780	/* Create this band. */
781	/* ------------------------------------------------------------ */
782	poVDS->AddBand( eBandType, NULL );
783	poVRTBand = (VRTSourcedRasterBand *) poVDS->GetRasterBand( i+1 );
784
785	/* ------------------------------------------------------------ */
786	/* Do we need to collect scaling information? */
787	/* ------------------------------------------------------------ */
788	double dfScale=1.0, dfOffset=0.0;
789
790	if( bScale && !bHaveScaleSrc )
791	{
792	double adfCMinMax[2];
793	GDALComputeRasterMinMax( poSrcBand, TRUE, adfCMinMax );
794	dfScaleSrcMin = adfCMinMax[0];
795	dfScaleSrcMax = adfCMinMax[1];
796	}
797
798	if( bScale )
799	{
800	if( dfScaleSrcMax == dfScaleSrcMin )
801	dfScaleSrcMax += 0.1;
802	if( dfScaleDstMax == dfScaleDstMin )
803	dfScaleDstMax += 0.1;
804
805	dfScale = (dfScaleDstMax - dfScaleDstMin)
806	/ (dfScaleSrcMax - dfScaleSrcMin);
807	dfOffset = -1 * dfScaleSrcMin * dfScale + dfScaleDstMin;
808	}
809
810	/* ------------------------------------------------------------ */
811	/* Create a simple or complex data source depending on the */
812	/* translation type required. */
813	/* ------------------------------------------------------------ */
814	if( bScale \|\| (nRGBExpand != 0 && i < nRGBExpand) )
815	{
816	poVRTBand->AddComplexSource( poSrcBand,
817	anSrcWin[0], anSrcWin[1],
818	anSrcWin[2], anSrcWin[3],
819	0, 0, nOXSize, nOYSize,
820	dfOffset, dfScale,
821	VRT_NODATA_UNSET,
822	(nRGBExpand != 0 && i < nRGBExpand) ? i + 1 : 0 );
823	}
824	else
825	poVRTBand->AddSimpleSource( poSrcBand,
826	anSrcWin[0], anSrcWin[1],
827	anSrcWin[2], anSrcWin[3],
828	0, 0, nOXSize, nOYSize );
829
830	/* In case of color table translate, we only set the color interpretation */
831	/* other info copied by CopyCommonInfoFrom are not relevant in RGB expansion */
832	if (nRGBExpand != 0 && i < nRGBExpand)
833	{
834	poVRTBand->SetColorInterpretation( (GDALColorInterp) (GCI_RedBand + i) );
835	}
836	else
837	{
838	/* --------------------------------------------------------- */
839	/* copy over some other information of interest. */
840	/* --------------------------------------------------------- */
841	poVRTBand->CopyCommonInfoFrom( poSrcBand );
842	}
843
844	/* ------------------------------------------------------------- */
845	/* Set a forcable nodata value? */
846	/* ------------------------------------------------------------- */
847	if( bSetNoData )
848	poVRTBand->SetNoDataValue( dfNoDataReal );
849	}
850
851	/* ----------------------------------------------------------------- */
852	/* Write to the output file using CopyCreate(). */
853	/* ----------------------------------------------------------------- */
854	hOutDS = GDALCreateCopy( hDriver, pszDest, (GDALDatasetH) poVDS,
855	bStrict, papszCreateOptions,
856	pfnProgress, NULL );
857
858	if( hOutDS != NULL )
859	{
860	GDALClose( hOutDS );
861	}
862
863	GDALClose( (GDALDatasetH) poVDS );
864
865	GDALClose( hDataset );
866
867	free( panBandList );
868
869	free( pszOutputSRS );
870
871	if( !bSubCall )
872	{
873	GDALDumpOpenDatasets( stderr );
874	fflush(stderr);
875	/**
876	* Avoiding GDALDestroyDriverManager() call
877	*/
878	}
879
880	CSLDestroy( papszCreateOptions );
881
882	setMapInMaps(outputs,"Result","value",(char*)pszDest);
883
884	return SERVICE_SUCCEEDED;
885	}
886
887
888	/************************************************************************/
889	/* AttachMetadata() */
890	/************************************************************************/
891
892	static void AttachMetadata( GDALDatasetH hDS, char **papszMetadataOptions )
893
894	{
895	int nCount = CSLCount(papszMetadataOptions);
896	int i;
897
898	for( i = 0; i < nCount; i++ )
899	{
900	char *pszKey = NULL;
901	const char *pszValue;
902
903	pszValue = CPLParseNameValue( papszMetadataOptions[i], &pszKey );
904	GDALSetMetadataItem(hDS,pszKey,pszValue,NULL);
905	free( pszKey );
906	}
907
908	CSLDestroy( papszMetadataOptions );
909	}
910
911	}

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source: trunk/zoo-project/zoo-services/gdal/translate/service.c @ 446

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