static CPLErr PAuxDelete( const char * pszBasename ) { VSILFILE *fp = VSIFOpenL( CPLResetExtension( pszBasename, "aux" ), "r" ); if( fp == NULL ) { CPLError( CE_Failure, CPLE_AppDefined, "%s does not appear to be a PAux dataset, there is no .aux file.", pszBasename ); return CE_Failure; } const char *pszLine = CPLReadLineL( fp ); CPL_IGNORE_RET_VAL(VSIFCloseL( fp )); if( pszLine == NULL || !STARTS_WITH_CI(pszLine, "AuxilaryTarget") ) { CPLError( CE_Failure, CPLE_AppDefined, "%s does not appear to be a PAux dataset,\n" "the .aux file does not start with AuxilaryTarget", pszBasename ); return CE_Failure; } if( VSIUnlink( pszBasename ) != 0 ) { CPLError( CE_Failure, CPLE_AppDefined, "OS unlinking file %s.", pszBasename ); return CE_Failure; } VSIUnlink( CPLResetExtension( pszBasename, "aux" ) ); return CE_None; }
OGRErr OGRMILayerAttrIndex::Initialize( const char *pszIndexPathIn, OGRLayer *poLayerIn ) { if( poLayerIn == poLayer ) return OGRERR_NONE; /* -------------------------------------------------------------------- */ /* Capture input information and form static pathnames. */ /* -------------------------------------------------------------------- */ poLayer = poLayerIn; pszIndexPath = CPLStrdup( pszIndexPathIn ); pszMetadataFilename = CPLStrdup( CPLResetExtension( pszIndexPathIn, "idm" ) ); pszMIINDFilename = CPLStrdup(CPLResetExtension( pszIndexPathIn, "ind" )); /* -------------------------------------------------------------------- */ /* If a metadata file already exists, load it. */ /* -------------------------------------------------------------------- */ OGRErr eErr; VSIStatBuf sStat; if( VSIStat( pszMetadataFilename, &sStat ) == 0 ) { eErr = LoadConfigFromXML(); if( eErr != OGRERR_NONE ) return eErr; } return OGRERR_NONE; }
OGRSpatialReference *OGRShapeLayer::GetSpatialRef() { if (bSRSSet) return poSRS; bSRSSet = TRUE; /* -------------------------------------------------------------------- */ /* Is there an associated .prj file we can read? */ /* -------------------------------------------------------------------- */ const char *pszPrjFile = CPLResetExtension( pszFullName, "prj" ); char **papszLines; char* apszOptions[] = { (char*)"EMIT_ERROR_IF_CANNOT_OPEN_FILE=FALSE", NULL }; papszLines = CSLLoad2( pszPrjFile, -1, -1, apszOptions ); if (papszLines == NULL) { pszPrjFile = CPLResetExtension( pszFullName, "PRJ" ); papszLines = CSLLoad2( pszPrjFile, -1, -1, apszOptions ); } if( papszLines != NULL ) { poSRS = new OGRSpatialReference(); if( poSRS->importFromESRI( papszLines ) != OGRERR_NONE ) { delete poSRS; poSRS = NULL; } CSLDestroy( papszLines ); } return poSRS; }
CPLString GetWorldFilePath(const CPLString &soPath) { //1. thirst and last char from ext and third char set w (e.g. jpw) CPLString sExt = CPLGetExtension(soPath); CPLString sNewExt; sNewExt += sExt[0]; sNewExt += sExt[sExt.size() - 1]; sNewExt += 'w'; CPLString szPath = (char*)CPLResetExtension(soPath, sNewExt); if(CPLCheckForFile((char*)szPath.c_str(), NULL)) return szPath; //4. add wx to ext sNewExt += 'x'; szPath = (char*)CPLResetExtension(soPath, sNewExt); if(CPLCheckForFile((char*)szPath.c_str(), NULL)) return szPath; //2. wld szPath = (char*)CPLResetExtension(soPath, "wld"); if(CPLCheckForFile((char*)szPath.c_str(), NULL)) return szPath; //3. add w to ext szPath = soPath + CPLString("w"); if(CPLCheckForFile((char*)szPath.c_str(), NULL)) return szPath; return CPLString(); }
OGRErr OGRShapeLayer::DropSpatialIndex() { if( !CheckForQIX() ) { CPLError( CE_Warning, CPLE_AppDefined, "Layer %s has no spatial index, DROP SPATIAL INDEX failed.", poFeatureDefn->GetName() ); return OGRERR_FAILURE; } VSIFClose( fpQIX ); fpQIX = NULL; bCheckedForQIX = FALSE; const char *pszQIXFilename; pszQIXFilename = CPLResetExtension( pszFullName, "qix" ); CPLDebug( "SHAPE", "Unlinking index file %s", pszQIXFilename ); if( VSIUnlink( pszQIXFilename ) != 0 ) { CPLError( CE_Failure, CPLE_AppDefined, "Failed to delete file %s.\n%s", pszQIXFilename, VSIStrerror( errno ) ); return OGRERR_FAILURE; } if( !bSbnSbxDeleted ) { const char *pszIndexFilename; const char papszExt[2][4] = { "sbn", "sbx" }; int i; for( i = 0; i < 2; i++ ) { pszIndexFilename = CPLResetExtension( pszFullName, papszExt[i] ); CPLDebug( "SHAPE", "Trying to unlink index file %s", pszIndexFilename ); if( VSIUnlink( pszIndexFilename ) != 0 ) { CPLDebug( "SHAPE", "Failed to delete file %s.\n%s", pszIndexFilename, VSIStrerror( errno ) ); } } } bSbnSbxDeleted = TRUE; return OGRERR_NONE; }
OGRErr OGRShapeDataSource::DeleteLayer( int iLayer ) { char *pszFilename; /* -------------------------------------------------------------------- */ /* Verify we are in update mode. */ /* -------------------------------------------------------------------- */ if( !bDSUpdate ) { CPLError( CE_Failure, CPLE_NoWriteAccess, "Data source %s opened read-only.\n" "Layer %d cannot be deleted.\n", pszName, iLayer ); return OGRERR_FAILURE; } if( iLayer < 0 || iLayer >= nLayers ) { CPLError( CE_Failure, CPLE_AppDefined, "Layer %d not in legal range of 0 to %d.", iLayer, nLayers-1 ); return OGRERR_FAILURE; } OGRShapeLayer* poLayerToDelete = (OGRShapeLayer*) papoLayers[iLayer]; pszFilename = CPLStrdup(poLayerToDelete->GetFullName()); delete poLayerToDelete; while( iLayer < nLayers - 1 ) { papoLayers[iLayer] = papoLayers[iLayer+1]; iLayer++; } nLayers--; VSIUnlink( CPLResetExtension(pszFilename, "shp") ); VSIUnlink( CPLResetExtension(pszFilename, "shx") ); VSIUnlink( CPLResetExtension(pszFilename, "dbf") ); VSIUnlink( CPLResetExtension(pszFilename, "prj") ); VSIUnlink( CPLResetExtension(pszFilename, "qix") ); CPLFree( pszFilename ); return OGRERR_NONE; }
CPLErr GDALDefaultOverviews::CleanOverviews() { // Anything to do? if( poODS == NULL ) return CE_None; // Delete the overview file(s). GDALDriver *poOvrDriver = poODS->GetDriver(); GDALClose( poODS ); poODS = NULL; const CPLErr eErr = poOvrDriver != NULL ? poOvrDriver->Delete( osOvrFilename ) : CE_None; // Reset the saved overview filename. if( !EQUAL(poDS->GetDescription(),":::VIRTUAL:::") ) { const bool bUseRRD = CPLTestBool(CPLGetConfigOption("USE_RRD","NO")); if( bUseRRD ) osOvrFilename = CPLResetExtension( poDS->GetDescription(), "aux" ); else osOvrFilename.Printf( "%s.ovr", poDS->GetDescription() ); } else { osOvrFilename = ""; } return eErr; }
OGRErr OGRSXFDriver::DeleteDataSource(const char* pszName) { int iExt; //TODO: add more extensions if aplicable static const char *apszExtensions[] = { "szf", "rsc", "SZF", "RSC", NULL }; VSIStatBufL sStatBuf; if (VSIStatL(pszName, &sStatBuf) != 0) { CPLError(CE_Failure, CPLE_AppDefined, "%s does not appear to be a valid sxf file.", pszName); return OGRERR_FAILURE; } for (iExt = 0; apszExtensions[iExt] != NULL; iExt++) { const char *pszFile = CPLResetExtension(pszName, apszExtensions[iExt]); if (VSIStatL(pszFile, &sStatBuf) == 0) VSIUnlink(pszFile); } return OGRERR_NONE; }
OGRErr OGRShapeLayer::DropSpatialIndex() { if( !CheckForQIX() ) { CPLError( CE_Warning, CPLE_AppDefined, "Layer %s has no spatial index, DROP SPATIAL INDEX failed.", poFeatureDefn->GetName() ); return OGRERR_FAILURE; } VSIFClose( fpQIX ); fpQIX = NULL; bCheckedForQIX = FALSE; const char *pszQIXFilename; pszQIXFilename = CPLResetExtension( pszFullName, "qix" ); CPLDebug( "SHAPE", "Unlinking index file %s", pszQIXFilename ); if( VSIUnlink( pszQIXFilename ) != 0 ) { CPLError( CE_Failure, CPLE_AppDefined, "Failed to delete file %s.\n%s", pszQIXFilename, VSIStrerror( errno ) ); return OGRERR_FAILURE; } else return OGRERR_NONE; }
OGRErr OGRGeoconceptDriver::DeleteDataSource( const char *pszDataSource ) { int iExt; VSIStatBuf sStatBuf; static const char *apszExtensions[] = { "gxt", "txt", "gct", "gcm", "gcr", NULL }; if( VSIStat( pszDataSource, &sStatBuf ) != 0 ) { CPLError( CE_Failure, CPLE_AppDefined, "%s does not appear to be a file or directory.", pszDataSource ); return OGRERR_FAILURE; } if( VSI_ISREG(sStatBuf.st_mode) && ( EQUAL(CPLGetExtension(pszDataSource),"gxt") || EQUAL(CPLGetExtension(pszDataSource),"txt") ) ) { for( iExt=0; apszExtensions[iExt] != NULL; iExt++ ) { const char *pszFile = CPLResetExtension(pszDataSource, apszExtensions[iExt] ); if( VSIStat( pszFile, &sStatBuf ) == 0 ) VSIUnlink( pszFile ); } } else if( VSI_ISDIR(sStatBuf.st_mode) ) { char **papszDirEntries = CPLReadDir( pszDataSource ); int iFile; for( iFile = 0; papszDirEntries != NULL && papszDirEntries[iFile] != NULL; iFile++ ) { if( CSLFindString( (char **) apszExtensions, CPLGetExtension(papszDirEntries[iFile])) != -1) { VSIUnlink( CPLFormFilename( pszDataSource, papszDirEntries[iFile], NULL ) ); } } CSLDestroy( papszDirEntries ); VSIRmdir( pszDataSource ); } return OGRERR_NONE; }
OGRErr OGRShapeLayer::CreateSpatialIndex( int nMaxDepth ) { /* -------------------------------------------------------------------- */ /* If we have an existing spatial index, blow it away first. */ /* -------------------------------------------------------------------- */ if( CheckForQIX() ) DropSpatialIndex(); bCheckedForQIX = FALSE; /* -------------------------------------------------------------------- */ /* Build a quadtree structure for this file. */ /* -------------------------------------------------------------------- */ SHPTree *psTree; SyncToDisk(); psTree = SHPCreateTree( hSHP, 2, nMaxDepth, NULL, NULL ); if( NULL == psTree ) { // TODO - mloskot: Is it better to return OGRERR_NOT_ENOUGH_MEMORY? CPLDebug( "SHAPE", "Index creation failure. Likely, memory allocation error." ); return OGRERR_FAILURE; } /* -------------------------------------------------------------------- */ /* Trim unused nodes from the tree. */ /* -------------------------------------------------------------------- */ SHPTreeTrimExtraNodes( psTree ); /* -------------------------------------------------------------------- */ /* Dump tree to .qix file. */ /* -------------------------------------------------------------------- */ char *pszQIXFilename; pszQIXFilename = CPLStrdup(CPLResetExtension( pszFullName, "qix" )); CPLDebug( "SHAPE", "Creating index file %s", pszQIXFilename ); SHPWriteTree( psTree, pszQIXFilename ); CPLFree( pszQIXFilename ); /* -------------------------------------------------------------------- */ /* cleanup */ /* -------------------------------------------------------------------- */ SHPDestroyTree( psTree ); CheckForQIX(); return OGRERR_NONE; }
int OGRShapeLayer::CheckForQIX() { const char *pszQIXFilename; if( bCheckedForQIX ) return fpQIX != NULL; pszQIXFilename = CPLResetExtension( pszFullName, "qix" ); fpQIX = VSIFOpen( pszQIXFilename, "rb" ); bCheckedForQIX = TRUE; return fpQIX != NULL; }
void OGROpenFileGDBDataSource::AddLayer( const CPLString& osName, int nInterestTable, int& nCandidateLayers, int& nLayersSDC, const CPLString& osDefinition, const CPLString& osDocumentation, const char* pszGeomName, OGRwkbGeometryType eGeomType ) { std::map<std::string, int>::const_iterator oIter = m_osMapNameToIdx.find(osName); int idx = 0; if( oIter != m_osMapNameToIdx.end() ) idx = oIter->second; if( idx > 0 && (nInterestTable < 0 || nInterestTable == idx) ) { const char* pszFilename = CPLFormFilename( m_osDirName, CPLSPrintf("a%08x", idx), "gdbtable"); if( FileExists(pszFilename) ) { nCandidateLayers ++; if( m_papszFiles != NULL ) { const char* pszSDC = CPLResetExtension(pszFilename, "gdbtable.sdc"); if( FileExists(pszSDC) ) { nLayersSDC ++; CPLError(CE_Warning, CPLE_AppDefined, "%s layer has a %s file whose format is unhandled", osName.c_str(), pszSDC); return; } } m_apoLayers.push_back( new OGROpenFileGDBLayer(pszFilename, osName, osDefinition, osDocumentation, pszGeomName, eGeomType)); } } }
CPLErr SAGADataset::SetProjection( const char *pszSRS ) { /* -------------------------------------------------------------------- */ /* Reset coordinate system on the dataset. */ /* -------------------------------------------------------------------- */ CPLFree( pszProjection ); pszProjection = CPLStrdup( pszSRS ); if( strlen(pszSRS) == 0 ) return CE_None; /* -------------------------------------------------------------------- */ /* Convert to ESRI WKT. */ /* -------------------------------------------------------------------- */ OGRSpatialReference oSRS( pszSRS ); char *pszESRI_SRS = NULL; oSRS.morphToESRI(); oSRS.exportToWkt( &pszESRI_SRS ); /* -------------------------------------------------------------------- */ /* Write to .prj file. */ /* -------------------------------------------------------------------- */ CPLString osPrjFilename = CPLResetExtension( GetDescription(), "prj" ); VSILFILE *fp; fp = VSIFOpenL( osPrjFilename.c_str(), "wt" ); if( fp != NULL ) { VSIFWriteL( pszESRI_SRS, 1, strlen(pszESRI_SRS), fp ); VSIFWriteL( (void *) "\n", 1, 1, fp ); VSIFCloseL( fp ); } CPLFree( pszESRI_SRS ); return CE_None; }
OGRErr OGRShapeLayer::Repack() { if( !bUpdateAccess ) { CPLError( CE_Failure, CPLE_AppDefined, "The REPACK operation is not permitted on a read-only shapefile." ); return OGRERR_FAILURE; } if( hDBF == NULL ) { CPLError( CE_Failure, CPLE_NotSupported, "Attempt to repack a shapefile with no .dbf file not supported."); return OGRERR_FAILURE; } /* -------------------------------------------------------------------- */ /* Build a list of records to be dropped. */ /* -------------------------------------------------------------------- */ int *panRecordsToDelete = (int *) CPLMalloc(sizeof(int)*(nTotalShapeCount+1)); int nDeleteCount = 0; int iShape = 0; OGRErr eErr = OGRERR_NONE; for( iShape = 0; iShape < nTotalShapeCount; iShape++ ) { if( DBFIsRecordDeleted( hDBF, iShape ) ) panRecordsToDelete[nDeleteCount++] = iShape; } panRecordsToDelete[nDeleteCount] = -1; /* -------------------------------------------------------------------- */ /* If there are no records marked for deletion, we take no */ /* action. */ /* -------------------------------------------------------------------- */ if( nDeleteCount == 0 ) { CPLFree( panRecordsToDelete ); return OGRERR_NONE; } /* -------------------------------------------------------------------- */ /* Find existing filenames with exact case (see #3293). */ /* -------------------------------------------------------------------- */ CPLString osDirname(CPLGetPath(pszFullName)); CPLString osBasename(CPLGetBasename(pszFullName)); CPLString osDBFName, osSHPName, osSHXName; char **papszCandidates = CPLReadDir( osDirname ); int i = 0; while(papszCandidates != NULL && papszCandidates[i] != NULL) { CPLString osCandidateBasename = CPLGetBasename(papszCandidates[i]); CPLString osCandidateExtension = CPLGetExtension(papszCandidates[i]); if (osCandidateBasename.compare(osBasename) == 0) { if (EQUAL(osCandidateExtension, "dbf")) osDBFName = CPLFormFilename(osDirname, papszCandidates[i], NULL); else if (EQUAL(osCandidateExtension, "shp")) osSHPName = CPLFormFilename(osDirname, papszCandidates[i], NULL); else if (EQUAL(osCandidateExtension, "shx")) osSHXName = CPLFormFilename(osDirname, papszCandidates[i], NULL); } i++; } CSLDestroy(papszCandidates); papszCandidates = NULL; if (osDBFName.size() == 0) { /* Should not happen, really */ CPLFree( panRecordsToDelete ); return OGRERR_FAILURE; } /* -------------------------------------------------------------------- */ /* Cleanup any existing spatial index. It will become */ /* meaningless when the fids change. */ /* -------------------------------------------------------------------- */ if( CheckForQIX() ) DropSpatialIndex(); /* -------------------------------------------------------------------- */ /* Create a new dbf file, matching the old. */ /* -------------------------------------------------------------------- */ DBFHandle hNewDBF = NULL; CPLString oTempFile(CPLFormFilename(osDirname, osBasename, NULL)); oTempFile += "_packed.dbf"; hNewDBF = DBFCloneEmpty( hDBF, oTempFile ); if( hNewDBF == NULL ) { CPLFree( panRecordsToDelete ); CPLError( CE_Failure, CPLE_OpenFailed, "Failed to create temp file %s.", oTempFile.c_str() ); return OGRERR_FAILURE; } /* -------------------------------------------------------------------- */ /* Copy over all records that are not deleted. */ /* -------------------------------------------------------------------- */ int iDestShape = 0; int iNextDeletedShape = 0; for( iShape = 0; iShape < nTotalShapeCount && eErr == OGRERR_NONE; iShape++ ) { if( panRecordsToDelete[iNextDeletedShape] == iShape ) iNextDeletedShape++; else { void *pTuple = (void *) DBFReadTuple( hDBF, iShape ); if( pTuple == NULL ) eErr = OGRERR_FAILURE; else if( !DBFWriteTuple( hNewDBF, iDestShape++, pTuple ) ) eErr = OGRERR_FAILURE; } } if( eErr != OGRERR_NONE ) { CPLFree( panRecordsToDelete ); VSIUnlink( oTempFile ); return eErr; } /* -------------------------------------------------------------------- */ /* Cleanup the old .dbf and rename the new one. */ /* -------------------------------------------------------------------- */ DBFClose( hDBF ); DBFClose( hNewDBF ); hDBF = hNewDBF = NULL; VSIUnlink( osDBFName ); if( VSIRename( oTempFile, osDBFName ) != 0 ) { CPLDebug( "Shape", "Can not rename DBF file: %s", VSIStrerror( errno ) ); CPLFree( panRecordsToDelete ); return OGRERR_FAILURE; } /* -------------------------------------------------------------------- */ /* Now create a shapefile matching the old one. */ /* -------------------------------------------------------------------- */ if( hSHP != NULL ) { SHPHandle hNewSHP = NULL; if (osSHPName.size() == 0 || osSHXName.size() == 0) { /* Should not happen, really */ CPLFree( panRecordsToDelete ); return OGRERR_FAILURE; } oTempFile = CPLFormFilename(osDirname, osBasename, NULL); oTempFile += "_packed.shp"; hNewSHP = SHPCreate( oTempFile, hSHP->nShapeType ); if( hNewSHP == NULL ) { CPLFree( panRecordsToDelete ); return OGRERR_FAILURE; } /* -------------------------------------------------------------------- */ /* Copy over all records that are not deleted. */ /* -------------------------------------------------------------------- */ iNextDeletedShape = 0; for( iShape = 0; iShape < nTotalShapeCount && eErr == OGRERR_NONE; iShape++ ) { if( panRecordsToDelete[iNextDeletedShape] == iShape ) iNextDeletedShape++; else { SHPObject *hObject; hObject = SHPReadObject( hSHP, iShape ); if( hObject == NULL ) eErr = OGRERR_FAILURE; else if( SHPWriteObject( hNewSHP, -1, hObject ) == -1 ) eErr = OGRERR_FAILURE; if( hObject ) SHPDestroyObject( hObject ); } } if( eErr != OGRERR_NONE ) { CPLFree( panRecordsToDelete ); VSIUnlink( CPLResetExtension( oTempFile, "shp" ) ); VSIUnlink( CPLResetExtension( oTempFile, "shx" ) ); return eErr; } /* -------------------------------------------------------------------- */ /* Cleanup the old .shp/.shx and rename the new one. */ /* -------------------------------------------------------------------- */ SHPClose( hSHP ); SHPClose( hNewSHP ); hSHP = hNewSHP = NULL; VSIUnlink( osSHPName ); VSIUnlink( osSHXName ); oTempFile = CPLResetExtension( oTempFile, "shp" ); if( VSIRename( oTempFile, osSHPName ) != 0 ) { CPLDebug( "Shape", "Can not rename SHP file: %s", VSIStrerror( errno ) ); CPLFree( panRecordsToDelete ); return OGRERR_FAILURE; } oTempFile = CPLResetExtension( oTempFile, "shx" ); if( VSIRename( oTempFile, osSHXName ) != 0 ) { CPLDebug( "Shape", "Can not rename SHX file: %s", VSIStrerror( errno ) ); CPLFree( panRecordsToDelete ); return OGRERR_FAILURE; } } CPLFree( panRecordsToDelete ); panRecordsToDelete = NULL; /* -------------------------------------------------------------------- */ /* Reopen the shapefile */ /* */ /* We do not need to reimplement OGRShapeDataSource::OpenFile() here */ /* with the fully featured error checking. */ /* If all operations above succeeded, then all necessery files are */ /* in the right place and accessible. */ /* -------------------------------------------------------------------- */ CPLAssert( NULL == hSHP ); CPLAssert( NULL == hDBF && NULL == hNewDBF ); CPLPushErrorHandler( CPLQuietErrorHandler ); const char* pszAccess = NULL; if( bUpdateAccess ) pszAccess = "r+"; else pszAccess = "r"; hSHP = SHPOpen ( CPLResetExtension( pszFullName, "shp" ) , pszAccess ); hDBF = DBFOpen ( CPLResetExtension( pszFullName, "dbf" ) , pszAccess ); CPLPopErrorHandler(); if( NULL == hSHP || NULL == hDBF ) { CPLString osMsg(CPLGetLastErrorMsg()); CPLError( CE_Failure, CPLE_OpenFailed, "%s", osMsg.c_str() ); return OGRERR_FAILURE; } /* -------------------------------------------------------------------- */ /* Update total shape count. */ /* -------------------------------------------------------------------- */ nTotalShapeCount = hDBF->nRecords; return OGRERR_NONE; }
GDALDataset *PAuxDataset::Open( GDALOpenInfo * poOpenInfo ) { if( poOpenInfo->nHeaderBytes < 1 ) return NULL; /* -------------------------------------------------------------------- */ /* If this is an .aux file, fetch out and form the name of the */ /* file it references. */ /* -------------------------------------------------------------------- */ CPLString osTarget = poOpenInfo->pszFilename; if( EQUAL(CPLGetExtension( poOpenInfo->pszFilename ),"aux") && STARTS_WITH_CI((const char *) poOpenInfo->pabyHeader, "AuxilaryTarget: ")) { char szAuxTarget[1024]; const char *pszSrc = reinterpret_cast<const char *>( poOpenInfo->pabyHeader+16 ); int i = 0; for( ; pszSrc[i] != 10 && pszSrc[i] != 13 && pszSrc[i] != '\0' && i < static_cast<int>( sizeof(szAuxTarget) ) - 1; i++ ) { szAuxTarget[i] = pszSrc[i]; } szAuxTarget[i] = '\0'; char *pszPath = CPLStrdup(CPLGetPath(poOpenInfo->pszFilename)); osTarget = CPLFormFilename(pszPath, szAuxTarget, NULL); CPLFree(pszPath); } /* -------------------------------------------------------------------- */ /* Now we need to tear apart the filename to form a .aux */ /* filename. */ /* -------------------------------------------------------------------- */ CPLString osAuxFilename = CPLResetExtension(osTarget,"aux"); /* -------------------------------------------------------------------- */ /* Do we have a .aux file? */ /* -------------------------------------------------------------------- */ char** papszSiblingFiles = poOpenInfo->GetSiblingFiles(); if( papszSiblingFiles != NULL && CSLFindString( papszSiblingFiles, CPLGetFilename(osAuxFilename) ) == -1 ) { return NULL; } VSILFILE *fp = VSIFOpenL( osAuxFilename, "r" ); if( fp == NULL ) { osAuxFilename = CPLResetExtension(osTarget,"AUX"); fp = VSIFOpenL( osAuxFilename, "r" ); } if( fp == NULL ) return NULL; /* -------------------------------------------------------------------- */ /* Is this file a PCI .aux file? Check the first line for the */ /* telltale AuxilaryTarget keyword. */ /* */ /* At this point we should be verifying that it refers to our */ /* binary file, but that is a pretty involved test. */ /* -------------------------------------------------------------------- */ const char *pszLine = CPLReadLineL( fp ); CPL_IGNORE_RET_VAL(VSIFCloseL( fp )); if( pszLine == NULL || (!STARTS_WITH_CI(pszLine, "AuxilaryTarget") && !STARTS_WITH_CI(pszLine, "AuxiliaryTarget")) ) { return NULL; } /* -------------------------------------------------------------------- */ /* Create a corresponding GDALDataset. */ /* -------------------------------------------------------------------- */ PAuxDataset *poDS = new PAuxDataset(); /* -------------------------------------------------------------------- */ /* Load the .aux file into a string list suitable to be */ /* searched with CSLFetchNameValue(). */ /* -------------------------------------------------------------------- */ poDS->papszAuxLines = CSLLoad( osAuxFilename ); poDS->pszAuxFilename = CPLStrdup(osAuxFilename); /* -------------------------------------------------------------------- */ /* Find the RawDefinition line to establish overall parameters. */ /* -------------------------------------------------------------------- */ pszLine = CSLFetchNameValue(poDS->papszAuxLines, "RawDefinition"); // It seems PCI now writes out .aux files without RawDefinition in // some cases. See bug 947. if( pszLine == NULL ) { delete poDS; return NULL; } char **papszTokens = CSLTokenizeString(pszLine); if( CSLCount(papszTokens) < 3 ) { CPLError( CE_Failure, CPLE_AppDefined, "RawDefinition missing or corrupt in %s.", poOpenInfo->pszFilename ); delete poDS; CSLDestroy( papszTokens ); return NULL; } poDS->nRasterXSize = atoi(papszTokens[0]); poDS->nRasterYSize = atoi(papszTokens[1]); poDS->nBands = atoi(papszTokens[2]); poDS->eAccess = poOpenInfo->eAccess; CSLDestroy( papszTokens ); if (!GDALCheckDatasetDimensions(poDS->nRasterXSize, poDS->nRasterYSize) || !GDALCheckBandCount(poDS->nBands, FALSE)) { delete poDS; return NULL; } /* -------------------------------------------------------------------- */ /* Open the file. */ /* -------------------------------------------------------------------- */ if( poOpenInfo->eAccess == GA_Update ) { poDS->fpImage = VSIFOpenL( osTarget, "rb+" ); if( poDS->fpImage == NULL ) { CPLError( CE_Failure, CPLE_OpenFailed, "File %s is missing or read-only, check permissions.", osTarget.c_str() ); delete poDS; return NULL; } } else { poDS->fpImage = VSIFOpenL( osTarget, "rb" ); if( poDS->fpImage == NULL ) { CPLError( CE_Failure, CPLE_OpenFailed, "File %s is missing or unreadable.", osTarget.c_str() ); delete poDS; return NULL; } } /* -------------------------------------------------------------------- */ /* Collect raw definitions of each channel and create */ /* corresponding bands. */ /* -------------------------------------------------------------------- */ int iBand = 0; for( int i = 0; i < poDS->nBands; i++ ) { char szDefnName[32]; snprintf( szDefnName, sizeof(szDefnName), "ChanDefinition-%d", i+1 ); pszLine = CSLFetchNameValue(poDS->papszAuxLines, szDefnName); if (pszLine == NULL) { continue; } papszTokens = CSLTokenizeString(pszLine); if( CSLCount(papszTokens) < 4 ) { // Skip the band with broken description CSLDestroy( papszTokens ); continue; } GDALDataType eType; if( EQUAL(papszTokens[0],"16U") ) eType = GDT_UInt16; else if( EQUAL(papszTokens[0],"16S") ) eType = GDT_Int16; else if( EQUAL(papszTokens[0],"32R") ) eType = GDT_Float32; else eType = GDT_Byte; int bNative = TRUE; if( CSLCount(papszTokens) > 4 ) { #ifdef CPL_LSB bNative = EQUAL(papszTokens[4],"Swapped"); #else bNative = EQUAL(papszTokens[4],"Unswapped"); #endif } const vsi_l_offset nBandOffset = CPLScanUIntBig(papszTokens[1], static_cast<int>(strlen(papszTokens[1]))); const int nPixelOffset = atoi(papszTokens[2]); const int nLineOffset = atoi(papszTokens[3]); if (nPixelOffset <= 0 || nLineOffset <= 0) { // Skip the band with broken offsets CSLDestroy( papszTokens ); continue; } poDS->SetBand( iBand+1, new PAuxRasterBand( poDS, iBand+1, poDS->fpImage, nBandOffset, nPixelOffset, nLineOffset, eType, bNative ) ); iBand++; CSLDestroy( papszTokens ); } poDS->nBands = iBand; /* -------------------------------------------------------------------- */ /* Get the projection. */ /* -------------------------------------------------------------------- */ const char *pszMapUnits = CSLFetchNameValue( poDS->papszAuxLines, "MapUnits" ); const char *pszProjParms = CSLFetchNameValue( poDS->papszAuxLines, "ProjParms" ); if( pszMapUnits != NULL ) poDS->pszProjection = poDS->PCI2WKT( pszMapUnits, pszProjParms ); /* -------------------------------------------------------------------- */ /* Initialize any PAM information. */ /* -------------------------------------------------------------------- */ poDS->SetDescription( osTarget ); poDS->TryLoadXML(); /* -------------------------------------------------------------------- */ /* Check for overviews. */ /* -------------------------------------------------------------------- */ poDS->oOvManager.Initialize( poDS, osTarget ); poDS->ScanForGCPs(); poDS->bAuxUpdated = FALSE; return( poDS ); }
bool wxGxPrjFactory::GetChildren(wxGxObject* pParent, char** &pFileNames, wxArrayLong & pChildrenIds) { bool bCheckNames = CSLCount(pFileNames) < CHECK_DUBLES_MAX_COUNT; for(int i = CSLCount(pFileNames) - 1; i >= 0; i-- ) { CPLString szExt = CPLGetExtension(pFileNames[i]); wxGxObject* pGxObj = NULL; if(wxGISEQUAL(szExt, "prj")) { bool bAdd = true; for(int j = 0; prj_notadd_exts[j] != NULL; ++j ) { if(CPLCheckForFile((char*)CPLResetExtension(pFileNames[i], prj_notadd_exts[j]), NULL)) { bAdd = false; break; } } if(bAdd) { pGxObj = GetGxObject(pParent, GetConvName(pFileNames[i]), pFileNames[i], enumESRIPrjFile, bCheckNames); } pFileNames = CSLRemoveStrings( pFileNames, i, 1, NULL ); } else if(wxGISEQUAL(szExt, "qpj")) { bool bAdd = true; for(int j = 0; prj_notadd_exts[j] != NULL; ++j ) { if(CPLCheckForFile((char*)CPLResetExtension(pFileNames[i], prj_notadd_exts[j]), NULL)) { bAdd = false; break; } } if(bAdd) { pGxObj = GetGxObject(pParent, GetConvName(pFileNames[i]), pFileNames[i], enumQPJfile, bCheckNames); } pFileNames = CSLRemoveStrings( pFileNames, i, 1, NULL ); } else if(wxGISEQUAL(szExt, "spr")) { pGxObj = GetGxObject(pParent, GetConvName(pFileNames[i]), pFileNames[i], enumSPRfile, bCheckNames); pFileNames = CSLRemoveStrings( pFileNames, i, 1, NULL ); } if(pGxObj) { pChildrenIds.Add(pGxObj->GetId()); pGxObj = NULL; } } return true; }
OGRLayer * OGRCSVDataSource::ICreateLayer( const char *pszLayerName, OGRSpatialReference *poSpatialRef, OGRwkbGeometryType eGType, char ** papszOptions ) { /* -------------------------------------------------------------------- */ /* Verify we are in update mode. */ /* -------------------------------------------------------------------- */ if( !bUpdate ) { CPLError( CE_Failure, CPLE_NoWriteAccess, "Data source %s opened read-only.\n" "New layer %s cannot be created.", pszName, pszLayerName ); return NULL; } /* -------------------------------------------------------------------- */ /* Verify that the datasource is a directory. */ /* -------------------------------------------------------------------- */ VSIStatBufL sStatBuf; if( STARTS_WITH(pszName, "/vsizip/")) { /* Do nothing */ } else if( !EQUAL(pszName, "/vsistdout/") && (VSIStatL( pszName, &sStatBuf ) != 0 || !VSI_ISDIR( sStatBuf.st_mode )) ) { CPLError( CE_Failure, CPLE_AppDefined, "Attempt to create csv layer (file) against a " "non-directory datasource." ); return NULL; } /* -------------------------------------------------------------------- */ /* What filename would we use? */ /* -------------------------------------------------------------------- */ CPLString osFilename; if( osDefaultCSVName != "" ) { osFilename = CPLFormFilename( pszName, osDefaultCSVName, NULL ); osDefaultCSVName = ""; } else { osFilename = CPLFormFilename( pszName, pszLayerName, "csv" ); } /* -------------------------------------------------------------------- */ /* Does this directory/file already exist? */ /* -------------------------------------------------------------------- */ if( VSIStatL( osFilename, &sStatBuf ) == 0 ) { CPLError( CE_Failure, CPLE_AppDefined, "Attempt to create layer %s, but %s already exists.", pszLayerName, osFilename.c_str() ); return NULL; } /* -------------------------------------------------------------------- */ /* Create the empty file. */ /* -------------------------------------------------------------------- */ const char *pszDelimiter = CSLFetchNameValue( papszOptions, "SEPARATOR"); char chDelimiter = ','; if (pszDelimiter != NULL) { if (EQUAL(pszDelimiter, "COMMA")) chDelimiter = ','; else if (EQUAL(pszDelimiter, "SEMICOLON")) chDelimiter = ';'; else if (EQUAL(pszDelimiter, "TAB")) chDelimiter = '\t'; else if (EQUAL(pszDelimiter, "SPACE")) chDelimiter = ' '; else { CPLError( CE_Warning, CPLE_AppDefined, "SEPARATOR=%s not understood, use one of " "COMMA, SEMICOLON, SPACE or TAB.", pszDelimiter ); } } /* -------------------------------------------------------------------- */ /* Create a layer. */ /* -------------------------------------------------------------------- */ OGRCSVLayer* poCSVLayer = new OGRCSVLayer( pszLayerName, NULL, osFilename, true, true, chDelimiter ); poCSVLayer->BuildFeatureDefn(); /* -------------------------------------------------------------------- */ /* Was a particular CRLF order requested? */ /* -------------------------------------------------------------------- */ const char *pszCRLFFormat = CSLFetchNameValue( papszOptions, "LINEFORMAT"); bool bUseCRLF = false; if( pszCRLFFormat == NULL ) { #ifdef WIN32 bUseCRLF = true; #endif } else if( EQUAL(pszCRLFFormat, "CRLF") ) { bUseCRLF = true; } else if( EQUAL(pszCRLFFormat, "LF") ) { } else { CPLError( CE_Warning, CPLE_AppDefined, "LINEFORMAT=%s not understood, use one of CRLF or LF.", pszCRLFFormat ); #ifdef WIN32 bUseCRLF = true; #endif } poCSVLayer->SetCRLF( bUseCRLF ); /* -------------------------------------------------------------------- */ /* Should we write the geometry ? */ /* -------------------------------------------------------------------- */ const char *pszGeometry = CSLFetchNameValue( papszOptions, "GEOMETRY"); if( bEnableGeometryFields ) { poCSVLayer->SetWriteGeometry(eGType, OGR_CSV_GEOM_AS_WKT, CSLFetchNameValueDef(papszOptions, "GEOMETRY_NAME", "WKT")); } else if (pszGeometry != NULL) { if (EQUAL(pszGeometry, "AS_WKT")) { poCSVLayer->SetWriteGeometry(eGType, OGR_CSV_GEOM_AS_WKT, CSLFetchNameValueDef(papszOptions, "GEOMETRY_NAME", "WKT")); } else if (EQUAL(pszGeometry, "AS_XYZ") || EQUAL(pszGeometry, "AS_XY") || EQUAL(pszGeometry, "AS_YX")) { if (eGType == wkbUnknown || wkbFlatten(eGType) == wkbPoint) { poCSVLayer->SetWriteGeometry( eGType, EQUAL(pszGeometry, "AS_XYZ") ? OGR_CSV_GEOM_AS_XYZ : EQUAL(pszGeometry, "AS_XY") ? OGR_CSV_GEOM_AS_XY : OGR_CSV_GEOM_AS_YX); } else { CPLError( CE_Warning, CPLE_AppDefined, "Geometry type %s is not compatible with " "GEOMETRY=AS_XYZ.", OGRGeometryTypeToName(eGType) ); } } else { CPLError( CE_Warning, CPLE_AppDefined, "Unsupported value %s for creation option GEOMETRY", pszGeometry ); } } /* -------------------------------------------------------------------- */ /* Should we create a CSVT file ? */ /* -------------------------------------------------------------------- */ const char *pszCreateCSVT = CSLFetchNameValue( papszOptions, "CREATE_CSVT"); if (pszCreateCSVT && CPLTestBool(pszCreateCSVT)) { poCSVLayer->SetCreateCSVT(true); /* -------------------------------------------------------------------- */ /* Create .prj file */ /* -------------------------------------------------------------------- */ if( poSpatialRef != NULL && osFilename != "/vsistdout/" ) { char* pszWKT = NULL; poSpatialRef->exportToWkt(&pszWKT); if( pszWKT ) { VSILFILE* fpPRJ = VSIFOpenL(CPLResetExtension(osFilename, "prj"), "wb"); if( fpPRJ ) { CPL_IGNORE_RET_VAL(VSIFPrintfL(fpPRJ, "%s\n", pszWKT)); VSIFCloseL(fpPRJ); } CPLFree(pszWKT); } } } /* -------------------------------------------------------------------- */ /* Should we write a UTF8 BOM ? */ /* -------------------------------------------------------------------- */ const char *pszWriteBOM = CSLFetchNameValue( papszOptions, "WRITE_BOM"); if( pszWriteBOM ) poCSVLayer->SetWriteBOM(CPLTestBool(pszWriteBOM)); nLayers++; papoLayers = static_cast<OGRLayer **>( CPLRealloc( papoLayers, sizeof(void*) * nLayers ) ); OGRLayer* poLayer = poCSVLayer; if( osFilename != "/vsistdout/" ) poLayer = new OGRCSVEditableLayer(poCSVLayer, NULL); papoLayers[nLayers-1] = poLayer; return poLayer; }
int main( int nArgc, char ** papszArgv ) { // register drivers GDALAllRegister(); if( nArgc < 2 ) return EXIT_FAILURE; double dfaCornersX[5] = {0}; double dfaCornersY[5] = {0}; CPLString sFileName; // parse input values for( int iArg = 1; iArg < nArgc; iArg++ ) { if( EQUAL(papszArgv[iArg],"-nw")) { CHECK_HAS_ENOUGH_ADDITIONAL_ARGS(2); const char* pszCoord = papszArgv[++iArg]; dfaCornersY[1] = CPLAtofM(pszCoord); pszCoord = papszArgv[++iArg]; dfaCornersX[1] = CPLAtofM(pszCoord); } else if( EQUAL(papszArgv[iArg],"-ne")) { CHECK_HAS_ENOUGH_ADDITIONAL_ARGS(2); const char* pszCoord = papszArgv[++iArg]; dfaCornersY[2] = CPLAtofM(pszCoord); pszCoord = papszArgv[++iArg]; dfaCornersX[2] = CPLAtofM(pszCoord); } else if( EQUAL(papszArgv[iArg],"-se")) { CHECK_HAS_ENOUGH_ADDITIONAL_ARGS(2); const char* pszCoord = papszArgv[++iArg]; dfaCornersY[3] = CPLAtofM(pszCoord); pszCoord = papszArgv[++iArg]; dfaCornersX[3] = CPLAtofM(pszCoord); } else if( EQUAL(papszArgv[iArg],"-sw")) { CHECK_HAS_ENOUGH_ADDITIONAL_ARGS(2); const char* pszCoord = papszArgv[++iArg]; dfaCornersY[4] = CPLAtofM(pszCoord); pszCoord = papszArgv[++iArg]; dfaCornersX[4] = CPLAtofM(pszCoord); } else if( EQUAL(papszArgv[iArg],"-c")) { CHECK_HAS_ENOUGH_ADDITIONAL_ARGS(2); const char* pszCoord = papszArgv[++iArg]; dfaCornersY[0] = CPLAtofM(pszCoord); pszCoord = papszArgv[++iArg]; dfaCornersX[0] = CPLAtofM(pszCoord); } else if(sFileName.empty()) sFileName = papszArgv[iArg]; } OGRSpatialReference oOGRSpatialReference(SRS_WKT_WGS84); int nZoneNo = ceil( (180.0 + dfaCornersX[0]) / 6.0 ); OGRSpatialReference oDstSpatialReference(SRS_WKT_WGS84); oDstSpatialReference.SetUTM(nZoneNo, dfaCornersY[0] > 0); // transform coordinates from WGS84 to UTM OGRCoordinateTransformation *poCT = OGRCreateCoordinateTransformation( &oOGRSpatialReference, &oDstSpatialReference); if(!poCT) { Usage("get coordinate transformation failed"); return EXIT_FAILURE; } int nResult = poCT->Transform(5, dfaCornersX, dfaCornersY, NULL); if(!nResult) { Usage("transformation failed"); return EXIT_FAILURE; } // open input dataset GDALDataset *poSrcDataset = (GDALDataset *) GDALOpen( sFileName, GA_ReadOnly ); // GA_Update char* pszSpaRefDef = NULL; if( oDstSpatialReference.exportToWkt(&pszSpaRefDef) != OGRERR_NONE) { CPLFree( pszSpaRefDef ); GDALClose( (GDALDatasetH) poSrcDataset ); return EXIT_FAILURE; } // search point along image // add GCP to opened raster OGRPoint ptCenter(dfaCornersX[0], dfaCornersY[0]); OGRPoint pt1(dfaCornersX[1], dfaCornersY[1]); // NW Cormer OGRPoint pt2(dfaCornersX[2], dfaCornersY[2]); // NE Corner OGRPoint pt3(dfaCornersX[3], dfaCornersY[3]); // SE Corner OGRPoint pt4(dfaCornersX[4], dfaCornersY[4]); // SW Corner int nGCPCount = 0; OGREnvelope DstEnv; GDAL_GCP *paGSPs = PrepareGCP(sFileName, &pt1, &pt2, &pt3, &pt4, &ptCenter, oDstSpatialReference, poSrcDataset->GetRasterXSize(), poSrcDataset->GetRasterYSize(), nGCPCount, DstEnv); if(poSrcDataset->SetGCPs(nGCPCount, paGSPs, pszSpaRefDef) != CE_None) { Usage( "Set GCPs failed" ); return EXIT_FAILURE; } // create warper char **papszTO = NULL; papszTO = CSLSetNameValue( papszTO, "METHOD", "GCP_TPS" ); papszTO = CSLSetNameValue( papszTO, "NUM_THREADS", "4" ); papszTO = CSLSetNameValue( papszTO, "DST_SRS", pszSpaRefDef ); papszTO = CSLSetNameValue( papszTO, "SRC_SRS", pszSpaRefDef ); papszTO = CSLSetNameValue( papszTO, "INSERT_CENTER_LONG", "FALSE" ); GDALDriver *poOutputDriver = (GDALDriver *) GDALGetDriverByName( "GTiff" ); CPLSetConfigOption( "CHECK_WITH_INVERT_PROJ", "TRUE" ); void* hTransformArg = GDALCreateGenImgProjTransformer2( poSrcDataset, NULL, papszTO ); GDALTransformerInfo* psInfo = (GDALTransformerInfo*)hTransformArg; double adfThisGeoTransform[6]; double adfExtent[4]; int nThisPixels, nThisLines; // suggest the raster output size if( GDALSuggestedWarpOutput2( poSrcDataset, psInfo->pfnTransform, hTransformArg, adfThisGeoTransform, &nThisPixels, &nThisLines, adfExtent, 0 ) != CE_None ) { Usage( "Suggest Output failed" ); return EXIT_FAILURE; } adfThisGeoTransform[0] = DstEnv.MinX; adfThisGeoTransform[3] = DstEnv.MaxY; int nPixels = (int) ((DstEnv.MaxX - DstEnv.MinX) / adfThisGeoTransform[1] + 0.5); int nLines = (int) ((DstEnv.MaxY - DstEnv.MinY) / -adfThisGeoTransform[5] + 0.5); GDALSetGenImgProjTransformerDstGeoTransform( hTransformArg, adfThisGeoTransform); // create new raster CPLString sOutputRasterPath = CPLResetExtension(sFileName, "tif"); GDALDataset *poDstDataset = poOutputDriver->Create(sOutputRasterPath, nPixels, nLines, poSrcDataset->GetRasterCount(), GDT_Byte, NULL ); if( NULL == poDstDataset ) { Usage( "Create Output failed" ); return EXIT_FAILURE; } poDstDataset->SetProjection( pszSpaRefDef ); poDstDataset->SetGeoTransform( adfThisGeoTransform ); #ifdef APRROX_MAXERROR hTransformArg = GDALCreateApproxTransformer( GDALGenImgProjTransform, hTransformArg, APRROX_MAXERROR); GDALTransformerFunc pfnTransformer = GDALApproxTransform; GDALApproxTransformerOwnsSubtransformer(hTransformArg, TRUE); #else GDALTransformerFunc pfnTransformer = GDALGenImgProjTransform; #endif // APRROX_MAXERROR // warp GDALWarpOptions *psWO = GDALCreateWarpOptions(); psWO->eWorkingDataType = GDT_Byte; psWO->eResampleAlg = GRA_NearestNeighbour; psWO->hSrcDS = poSrcDataset; psWO->hDstDS = poDstDataset; psWO->pfnTransformer = pfnTransformer; psWO->pTransformerArg = hTransformArg; psWO->pfnProgress = GDALTermProgress; psWO->nBandCount = poSrcDataset->GetRasterCount(); psWO->panSrcBands = (int *) CPLMalloc(psWO->nBandCount*sizeof(int)); psWO->panDstBands = (int *) CPLMalloc(psWO->nBandCount*sizeof(int)); for(int i = 0; i < psWO->nBandCount; ++i ) { psWO->panSrcBands[i] = i+1; psWO->panDstBands[i] = i+1; } GDALWarpOperation oWO; if( oWO.Initialize( psWO ) == CE_None ) { #ifdef MULTI if( oWO.ChunkAndWarpMulti( 0, 0, poDstDataset->GetRasterXSize(), poDstDataset->GetRasterYSize() ) != CE_None) #else //MULTI if( oWO.ChunkAndWarpImage( 0, 0, poDstDataset->GetRasterXSize(), poDstDataset->GetRasterYSize() ) != CE_None) #endif //MULTI { const char* err = CPLGetLastErrorMsg(); Usage( CPLSPrintf("Warp failed.%s", err) ); return EXIT_FAILURE; } } // cleanup GDALDestroyWarpOptions( psWO ); CSLDestroy( papszTO ); CPLFree( pszSpaRefDef ); GDALClose( (GDALDatasetH) poSrcDataset ); GDALClose( (GDALDatasetH) poDstDataset ); GDALDestroyDriverManager(); return EXIT_SUCCESS; }
GDAL_GCP * PrepareGCP(const CPLString& sFileName, OGRPoint *pt1, OGRPoint *pt2, OGRPoint *pt3, OGRPoint *pt4, OGRPoint *ptCenter, const OGRSpatialReference &oDstOGRSpatialReference, const int nRasterSizeX, const int nRasterSizeY, int &nGCPCount, OGREnvelope &DstEnv) { // to meters double dfFocusM = dfFocus / 100; double dfFilmHalfHeightM = dfFilmHeight / 200; double dfRatio = dfFilmHalfHeightM / dfFocusM; //create center point and line of scene OGRPoint ptShortSideBeg = GetCenterOfLine(pt1, pt4); OGRPoint ptShortSideEnd = GetCenterOfLine(pt2, pt3); OGRLineString lnTmp; lnTmp.addPoint(&ptShortSideBeg); lnTmp.addPoint(&ptShortSideEnd); lnTmp.Value(lnTmp.Project(pt1), &ptShortSideBeg); lnTmp.Value(lnTmp.Project(pt2), &ptShortSideEnd); double dfDist1 = pt1->Distance(pt2); double dfDist2 = pt2->Distance(pt3); double dfDist3 = pt3->Distance(pt4); double dfDist4 = pt4->Distance(pt1); double dfHalfWidth = (dfDist2 + dfDist4) / 4; double dfHalfHeight = (dfDist1 + dfDist3) / 4; double dfAltitudeAtSide = (dfHalfWidth * dfFocusM) / dfFilmHalfHeightM; double dfAltitudeAtSceneCenter = sqrt( dfAltitudeAtSide * dfAltitudeAtSide - dfHalfHeight * dfHalfHeight); double dfAltitude = dfAltitudeAtSceneCenter * cos(dfMountAngleRad); // 145 - 220 km double dfDistCenter = dfAltitudeAtSceneCenter * sin(dfMountAngleRad); OGRLineString lnCenterLeft; lnCenterLeft.addPoint(&ptShortSideBeg); lnCenterLeft.addPoint(ptCenter); OGRPoint ptSatCenter = GetTangetPoint(lnCenterLeft, dfDistCenter); std::vector<OGRPoint> aPt1, aPt2; int nTotalGCPCount = ((SEGMENT_STEPS + 1) * 2); GDAL_GCP *paGSPs = (GDAL_GCP *) CPLMalloc (nTotalGCPCount * sizeof(GDAL_GCP)); GDALInitGCPs(nTotalGCPCount, paGSPs); double dfImageStepLen = double(nRasterSizeX) / SEGMENT_STEPS; double dfImageCenterX = 0; OGRLineString lnCenter; lnCenter.addPoint(&ptShortSideBeg); lnCenter.addPoint(ptCenter); lnCenter.addPoint(&ptShortSideEnd); double dfCenterLineLen = lnCenter.get_Length(); double dfStepLen = dfCenterLineLen / SEGMENT_STEPS; double dfCenterLineHalfLen = dfCenterLineLen / 2; for(double i = 0; i <= dfCenterLineLen; i += dfStepLen) { OGRPoint ptTmp; lnCenter.Value(i, &ptTmp); double dfDist = fabs(dfCenterLineHalfLen - i); double dfWidthTmp = GetWidthForHeight(dfAltitudeAtSceneCenter, dfDist, dfRatio); OGRLineString lnTmpLine; lnTmpLine.addPoint(ptCenter); lnTmpLine.addPoint(&ptTmp); int direction = 1; if(dfCenterLineHalfLen < i) direction = -1; OGRPoint ptUp = GetTangetPoint(lnTmpLine, dfWidthTmp * direction); OGRPoint ptDown = GetTangetPoint(lnTmpLine, -dfWidthTmp * direction); //OGRPoint ptUp = GetValue(dfWidthTmp, lnTmpLine); //OGRPoint ptDown = GetValue(-dfWidthTmp, lnTmpLine); aPt1.push_back(ptUp); aPt2.push_back(ptDown); paGSPs[nGCPCount].dfGCPLine = 0; paGSPs[nGCPCount].dfGCPPixel = dfImageCenterX; paGSPs[nGCPCount].dfGCPX = ptDown.getX(); paGSPs[nGCPCount].dfGCPY = ptDown.getY(); paGSPs[nGCPCount].dfGCPZ = dfMeanHeight; paGSPs[nGCPCount].pszId = CPLStrdup(CPLSPrintf("pt%d", nGCPCount)); nGCPCount++; paGSPs[nGCPCount].dfGCPLine = nRasterSizeY; paGSPs[nGCPCount].dfGCPPixel = dfImageCenterX; paGSPs[nGCPCount].dfGCPX = ptUp.getX(); paGSPs[nGCPCount].dfGCPY = ptUp.getY(); paGSPs[nGCPCount].dfGCPZ = dfMeanHeight; paGSPs[nGCPCount].pszId = CPLStrdup(CPLSPrintf("pt%d", nGCPCount)); nGCPCount++; dfImageCenterX += dfImageStepLen; } // add points to polygon OGRLinearRing Ring; for(int i = 0; i < aPt1.size(); ++i) Ring.addPoint(aPt1[i].getX(), aPt1[i].getY()); for(int i = aPt2.size() - 1; i >= 0; --i) Ring.addPoint(aPt2[i].getX(), aPt2[i].getY()); Ring.closeRings(); OGRPolygon Rgn; Rgn.addRingDirectly((OGRCurve*)Ring.clone()); Rgn.assignSpatialReference(oDstOGRSpatialReference.Clone()); Rgn.flattenTo2D(); Rgn.getEnvelope(&DstEnv); SaveGeometry(CPLResetExtension(sFileName, "shp"), Rgn, oDstOGRSpatialReference); return paGSPs; }
void BSBDataset::ScanForGCPsNos( const char *pszFilename ) { char **Tokens; const char *geofile; const char *extension; int fileGCPCount=0; extension = CPLGetExtension(pszFilename); // pseudointelligently try and guess whether we want a .geo or a .GEO if (extension[1] == 'O') { geofile = CPLResetExtension( pszFilename, "GEO"); } else { geofile = CPLResetExtension( pszFilename, "geo"); } FILE *gfp = VSIFOpen( geofile, "r" ); // Text files if( gfp == NULL ) { CPLError( CE_Failure, CPLE_OpenFailed, "Couldn't find a matching .GEO file: %s", geofile ); return; } char *thisLine = (char *) CPLMalloc( 80 ); // FIXME // Count the GCPs (reference points) and seek the file pointer 'gfp' to the starting point while (fgets(thisLine, 80, gfp)) { if( EQUALN(thisLine, "Point", 5) ) fileGCPCount++; } VSIRewind( gfp ); // Memory has not been allocated to fileGCPCount yet pasGCPList = (GDAL_GCP *) CPLCalloc(sizeof(GDAL_GCP),fileGCPCount+1); while (fgets(thisLine, 80, gfp)) { if( EQUALN(thisLine, "Point", 5) ) { // got a point line, turn it into a gcp Tokens = CSLTokenizeStringComplex(thisLine, "= ", FALSE, FALSE); if (CSLCount(Tokens) >= 5) { GDALInitGCPs( 1, pasGCPList + nGCPCount ); pasGCPList[nGCPCount].dfGCPX = atof(Tokens[1]); pasGCPList[nGCPCount].dfGCPY = atof(Tokens[2]); pasGCPList[nGCPCount].dfGCPPixel = atof(Tokens[4]); pasGCPList[nGCPCount].dfGCPLine = atof(Tokens[3]); CPLFree( pasGCPList[nGCPCount].pszId ); char szName[50]; sprintf( szName, "GCP_%d", nGCPCount+1 ); pasGCPList[nGCPCount].pszId = CPLStrdup( szName ); nGCPCount++; } CSLDestroy(Tokens); } } CPLFree(thisLine); VSIFClose(gfp); }
CPLErr BTDataset::SetProjection( const char *pszNewProjection ) { CPLErr eErr = CE_None; CPLFree( pszProjection ); pszProjection = CPLStrdup( pszNewProjection ); bHeaderModified = TRUE; /* -------------------------------------------------------------------- */ /* Parse projection. */ /* -------------------------------------------------------------------- */ OGRSpatialReference oSRS( pszProjection ); GInt16 nShortTemp = 0; /* -------------------------------------------------------------------- */ /* Linear units. */ /* -------------------------------------------------------------------- */ if( oSRS.IsGeographic() ) { // nShortTemp = 0; } else { const double dfLinear = oSRS.GetLinearUnits(); if( std::abs(dfLinear - 0.3048) < 0.0000001 ) nShortTemp = 2; else if( std::abs(dfLinear - CPLAtof(SRS_UL_US_FOOT_CONV)) < 0.00000001 ) nShortTemp = 3; else nShortTemp = 1; } nShortTemp = CPL_LSBWORD16( 1 ); memcpy( abyHeader + 22, &nShortTemp, 2 ); /* -------------------------------------------------------------------- */ /* UTM Zone */ /* -------------------------------------------------------------------- */ int bNorth = FALSE; nShortTemp = (GInt16) oSRS.GetUTMZone( &bNorth ); if( bNorth ) nShortTemp = -nShortTemp; nShortTemp = CPL_LSBWORD16( nShortTemp ); memcpy( abyHeader + 24, &nShortTemp, 2 ); /* -------------------------------------------------------------------- */ /* Datum */ /* -------------------------------------------------------------------- */ if( oSRS.GetAuthorityName( "GEOGCS|DATUM" ) != NULL && EQUAL(oSRS.GetAuthorityName( "GEOGCS|DATUM" ),"EPSG") ) nShortTemp = static_cast<GInt16>( atoi(oSRS.GetAuthorityCode( "GEOGCS|DATUM" )) + 2000); else nShortTemp = -2; nShortTemp = CPL_LSBWORD16( nShortTemp ); /* datum unknown */ memcpy( abyHeader + 26, &nShortTemp, 2 ); /* -------------------------------------------------------------------- */ /* Write out the projection to a .prj file. */ /* -------------------------------------------------------------------- */ const char *pszPrjFile = CPLResetExtension( GetDescription(), "prj" ); VSILFILE * fp = VSIFOpenL( pszPrjFile, "wt" ); if( fp != NULL ) { CPL_IGNORE_RET_VAL(VSIFPrintfL( fp, "%s\n", pszProjection )); CPL_IGNORE_RET_VAL(VSIFCloseL( fp )); abyHeader[60] = 1; } else { CPLError( CE_Failure, CPLE_AppDefined, "Unable to write out .prj file." ); eErr = CE_Failure; } return eErr; }
CPLErr GDALWriteIMDFile( const char *pszFilename, char **papszMD ) { CPLString osRPBFilename = CPLResetExtension( pszFilename, "IMD" ); /* -------------------------------------------------------------------- */ /* Read file and parse. */ /* -------------------------------------------------------------------- */ VSILFILE *fp = VSIFOpenL( osRPBFilename, "w" ); if( fp == NULL ) { CPLError( CE_Failure, CPLE_OpenFailed, "Unable to create %s for writing.\n%s", osRPBFilename.c_str(), CPLGetLastErrorMsg() ); return CE_Failure; } /* ==================================================================== */ /* -------------------------------------------------------------------- */ /* Loop through all values writing. */ /* -------------------------------------------------------------------- */ /* ==================================================================== */ int iKey; CPLString osCurSection; for( iKey = 0; papszMD[iKey] != NULL; iKey++ ) { char *pszRawKey = NULL; const char *pszValue = CPLParseNameValue( papszMD[iKey], &pszRawKey ); CPLString osKeySection, osKeyItem; char *pszDot = strchr(pszRawKey,'.'); /* -------------------------------------------------------------------- */ /* Split stuff like BAND_P.ULLon into section and item. */ /* -------------------------------------------------------------------- */ if( pszDot == NULL ) { osKeyItem = pszRawKey; } else { osKeyItem = pszDot+1; *pszDot = '\0'; osKeySection = pszRawKey; } CPLFree( pszRawKey ); /* -------------------------------------------------------------------- */ /* Close and/or start sections as needed. */ /* -------------------------------------------------------------------- */ if( osCurSection.size() && !EQUAL(osCurSection,osKeySection) ) VSIFPrintfL( fp, "END_GROUP = %s\n", osCurSection.c_str() ); if( osKeySection.size() && !EQUAL(osCurSection,osKeySection) ) VSIFPrintfL( fp, "BEGIN_GROUP = %s\n", osKeySection.c_str() ); osCurSection = osKeySection; /* -------------------------------------------------------------------- */ /* Print out simple item. */ /* -------------------------------------------------------------------- */ if( osCurSection.size() ) VSIFPrintfL( fp, "\t%s = ", osKeyItem.c_str() ); else VSIFPrintfL( fp, "%s = ", osKeyItem.c_str() ); if( pszValue[0] != '(' ) VSIFPrintfL( fp, "%s;\n", pszValue ); else GDALWriteIMDMultiLine( fp, pszValue ); } /* -------------------------------------------------------------------- */ /* Close off. */ /* -------------------------------------------------------------------- */ if( osCurSection.size() ) VSIFPrintfL( fp, "END_GROUP = %s\n", osCurSection.c_str() ); VSIFPrintfL( fp, "END;\n" ); VSIFCloseL( fp ); return CE_None; }
/*! \brief VFKReaderSQLite constructor */ VFKReaderSQLite::VFKReaderSQLite(const char *pszFilename) : VFKReader(pszFilename) { const char *pszDbNameConf; CPLString osDbName; CPLString osCommand; VSIStatBufL sStatBufDb, sStatBufVfk; /* open tmp SQLite DB (re-use DB file if already exists) */ pszDbNameConf = CPLGetConfigOption("OGR_VFK_DB_NAME", NULL); if (pszDbNameConf) { osDbName = pszDbNameConf; } else { osDbName = CPLResetExtension(m_pszFilename, "db"); } size_t nLen = osDbName.length(); if( nLen > 2048 ) { nLen = 2048; osDbName.resize(nLen); } m_pszDBname = new char [nLen+1]; std::strncpy(m_pszDBname, osDbName.c_str(), nLen); m_pszDBname[nLen] = 0; CPLDebug("OGR-VFK", "Using internal DB: %s", m_pszDBname); if (CPLTestBool(CPLGetConfigOption("OGR_VFK_DB_SPATIAL", "YES"))) m_bSpatial = TRUE; /* build geometry from DB */ else m_bSpatial = FALSE; /* store also geometry in DB */ m_bNewDb = TRUE; if (VSIStatL(osDbName, &sStatBufDb) == 0) { if (CPLTestBool(CPLGetConfigOption("OGR_VFK_DB_OVERWRITE", "NO"))) { m_bNewDb = TRUE; /* overwrite existing DB */ CPLDebug("OGR-VFK", "Internal DB (%s) already exists and will be overwritten", m_pszDBname); VSIUnlink(osDbName); } else { if (VSIStatL(pszFilename, &sStatBufVfk) == 0 && sStatBufVfk.st_mtime > sStatBufDb.st_mtime) { CPLDebug("OGR-VFK", "Found %s but ignoring because it appears\n" "be older than the associated VFK file.", osDbName.c_str()); m_bNewDb = TRUE; VSIUnlink(osDbName); } else { m_bNewDb = FALSE; /* re-use existing DB */ } } } /* if (m_bNewDb) { CPLError(CE_Warning, CPLE_AppDefined, "INFO: No internal SQLite DB found. Reading VFK data may take some time..."); } */ CPLDebug("OGR-VFK", "New DB: %s Spatial: %s", m_bNewDb ? "yes" : "no", m_bSpatial ? "yes" : "no"); if (SQLITE_OK != sqlite3_open(osDbName, &m_poDB)) { CPLError(CE_Failure, CPLE_AppDefined, "Creating SQLite DB failed"); } else { char* pszErrMsg = NULL; CPL_IGNORE_RET_VAL(sqlite3_exec(m_poDB, "PRAGMA synchronous = OFF", NULL, NULL, &pszErrMsg)); sqlite3_free(pszErrMsg); } if (m_bNewDb) { /* new DB, create support metadata tables */ osCommand.Printf("CREATE TABLE %s (file_name text, table_name text, num_records integer, " "num_features integer, num_geometries integer, table_defn text)", VFK_DB_TABLE); ExecuteSQL(osCommand.c_str()); /* header table */ osCommand.Printf("CREATE TABLE %s (key text, value text)", VFK_DB_HEADER); ExecuteSQL(osCommand.c_str()); } }
OGRErr OGRCSVEditableLayerSynchronizer::EditableSyncToDisk(OGRLayer* poEditableLayer, OGRLayer** ppoDecoratedLayer) { CPLAssert( m_poCSVLayer == *ppoDecoratedLayer ); CPLString osLayerName(m_poCSVLayer->GetName()); CPLString osFilename(m_poCSVLayer->GetFilename()); const bool bCreateCSVT = m_poCSVLayer->GetCreateCSVT(); CPLString osCSVTFilename(CPLResetExtension(osFilename, "csvt")); VSIStatBufL sStatBuf; const bool bHasCSVT = VSIStatL(osCSVTFilename, &sStatBuf) == 0; CPLString osTmpFilename(osFilename); CPLString osTmpCSVTFilename(osFilename); if( VSIStatL(osFilename, &sStatBuf) == 0 ) { osTmpFilename += "_ogr_tmp.csv"; osTmpCSVTFilename += "_ogr_tmp.csvt"; } const char chDelimiter = m_poCSVLayer->GetDelimiter(); OGRCSVLayer* poCSVTmpLayer = new OGRCSVLayer( osLayerName, NULL, osTmpFilename, true, true, chDelimiter ); poCSVTmpLayer->BuildFeatureDefn(NULL, NULL, m_papszOpenOptions); poCSVTmpLayer->SetCRLF( m_poCSVLayer->GetCRLF() ); poCSVTmpLayer->SetCreateCSVT( bCreateCSVT || bHasCSVT ); poCSVTmpLayer->SetWriteBOM( m_poCSVLayer->GetWriteBOM() ); if( m_poCSVLayer->GetGeometryFormat() == OGR_CSV_GEOM_AS_WKT ) poCSVTmpLayer->SetWriteGeometry( wkbNone, OGR_CSV_GEOM_AS_WKT, NULL ); OGRErr eErr = OGRERR_NONE; OGRFeatureDefn* poEditableFDefn = poEditableLayer->GetLayerDefn(); for( int i=0; eErr == OGRERR_NONE && i < poEditableFDefn->GetFieldCount(); i++ ) { OGRFieldDefn oFieldDefn(poEditableFDefn->GetFieldDefn(i)); int iGeomFieldIdx = 0; if( (EQUAL(oFieldDefn.GetNameRef(), "WKT") && (iGeomFieldIdx = poEditableFDefn->GetGeomFieldIndex("")) >= 0) || (iGeomFieldIdx = poEditableFDefn->GetGeomFieldIndex(oFieldDefn.GetNameRef())) >= 0 ) { OGRGeomFieldDefn oGeomFieldDefn( poEditableFDefn->GetGeomFieldDefn(iGeomFieldIdx) ); eErr = poCSVTmpLayer->CreateGeomField( &oGeomFieldDefn ); } else { eErr = poCSVTmpLayer->CreateField( &oFieldDefn ); } } const bool bHasXY = ( !m_poCSVLayer->GetXField().empty() && !m_poCSVLayer->GetYField().empty() ); const bool bHasZ = ( !m_poCSVLayer->GetZField().empty() ); if( bHasXY && !CPLFetchBool(m_papszOpenOptions, "KEEP_GEOM_COLUMNS", true) ) { if( poCSVTmpLayer->GetLayerDefn()->GetFieldIndex(m_poCSVLayer->GetXField()) < 0 ) { OGRFieldDefn oFieldDefn(m_poCSVLayer->GetXField(), OFTReal); if( eErr == OGRERR_NONE ) eErr = poCSVTmpLayer->CreateField( &oFieldDefn ); } if( poCSVTmpLayer->GetLayerDefn()->GetFieldIndex(m_poCSVLayer->GetYField()) < 0 ) { OGRFieldDefn oFieldDefn(m_poCSVLayer->GetYField(), OFTReal); if( eErr == OGRERR_NONE ) eErr = poCSVTmpLayer->CreateField( &oFieldDefn ); } if( bHasZ && poCSVTmpLayer->GetLayerDefn()->GetFieldIndex(m_poCSVLayer->GetZField()) < 0 ) { OGRFieldDefn oFieldDefn(m_poCSVLayer->GetZField(), OFTReal); if( eErr == OGRERR_NONE ) eErr = poCSVTmpLayer->CreateField( &oFieldDefn ); } } int nFirstGeomColIdx = 0; if( m_poCSVLayer->HasHiddenWKTColumn() ) { poCSVTmpLayer->SetWriteGeometry( poEditableFDefn->GetGeomFieldDefn(0)->GetType(), OGR_CSV_GEOM_AS_WKT, poEditableFDefn->GetGeomFieldDefn(0)->GetNameRef()); nFirstGeomColIdx = 1; } if( !(poEditableFDefn->GetGeomFieldCount() == 1 && bHasXY) ) { for( int i=nFirstGeomColIdx; eErr == OGRERR_NONE && i < poEditableFDefn->GetGeomFieldCount(); i++ ) { OGRGeomFieldDefn oGeomFieldDefn( poEditableFDefn->GetGeomFieldDefn(i) ); if( poCSVTmpLayer->GetLayerDefn()->GetGeomFieldIndex(oGeomFieldDefn.GetNameRef()) >= 0 ) continue; eErr = poCSVTmpLayer->CreateGeomField( &oGeomFieldDefn ); } } OGRFeature* poFeature = NULL; poEditableLayer->ResetReading(); while( eErr == OGRERR_NONE && (poFeature = poEditableLayer->GetNextFeature()) != NULL ) { OGRFeature* poNewFeature = new OGRFeature( poCSVTmpLayer->GetLayerDefn() ); poNewFeature->SetFrom(poFeature); if( bHasXY ) { OGRGeometry* poGeom = poFeature->GetGeometryRef(); if( poGeom != NULL && wkbFlatten(poGeom->getGeometryType()) == wkbPoint ) { poNewFeature->SetField( m_poCSVLayer->GetXField(), static_cast<OGRPoint*>(poGeom)->getX()); poNewFeature->SetField( m_poCSVLayer->GetYField(), static_cast<OGRPoint*>(poGeom)->getY()); if( bHasZ ) { poNewFeature->SetField( m_poCSVLayer->GetZField(), static_cast<OGRPoint*>(poGeom)->getZ()); } } } eErr = poCSVTmpLayer->CreateFeature(poNewFeature); delete poFeature; delete poNewFeature; } delete poCSVTmpLayer; if( eErr != OGRERR_NONE ) { CPLError(CE_Failure, CPLE_AppDefined, "Error while creating %s", osTmpFilename.c_str()); VSIUnlink( osTmpFilename ); VSIUnlink( CPLResetExtension(osTmpFilename, "csvt") ); return eErr; } delete m_poCSVLayer; if( osFilename != osTmpFilename ) { CPLString osTmpOriFilename(osFilename + ".ogr_bak"); CPLString osTmpOriCSVTFilename(osCSVTFilename + ".ogr_bak"); if( VSIRename( osFilename, osTmpOriFilename ) != 0 || (bHasCSVT && VSIRename( osCSVTFilename, osTmpOriCSVTFilename ) != 0 ) || VSIRename( osTmpFilename, osFilename) != 0 || (bHasCSVT && VSIRename( osTmpCSVTFilename, osCSVTFilename ) != 0) ) { CPLError(CE_Failure, CPLE_AppDefined, "Cannot rename files"); *ppoDecoratedLayer = NULL; m_poCSVLayer = NULL; return OGRERR_FAILURE; } VSIUnlink( osTmpOriFilename ); if( bHasCSVT ) VSIUnlink( osTmpOriCSVTFilename ); } VSILFILE* fp = VSIFOpenL( osFilename, "rb+" ); if( fp == NULL ) { CPLError(CE_Failure, CPLE_AppDefined, "Cannot reopen updated %s", osFilename.c_str()); *ppoDecoratedLayer = NULL; m_poCSVLayer = NULL; return OGRERR_FAILURE; } m_poCSVLayer = new OGRCSVLayer( osLayerName, fp, osFilename, false, /* new */ true, /* update */ chDelimiter ); m_poCSVLayer->BuildFeatureDefn(NULL, NULL, m_papszOpenOptions); *ppoDecoratedLayer = m_poCSVLayer; return OGRERR_NONE; }
int OGRIdrisiLayer::Detect_AVL_ADC(const char* pszFilename) { // -------------------------------------------------------------------- // Look for .adc file // -------------------------------------------------------------------- const char* pszADCFilename = CPLResetExtension(pszFilename, "adc"); VSILFILE* fpADC = VSIFOpenL(pszADCFilename, "rb"); if (fpADC == NULL) { pszADCFilename = CPLResetExtension(pszFilename, "ADC"); fpADC = VSIFOpenL(pszADCFilename, "rb"); } char** papszADC = NULL; if (fpADC != NULL) { VSIFCloseL(fpADC); fpADC = NULL; CPLPushErrorHandler(CPLQuietErrorHandler); papszADC = CSLLoad2(pszADCFilename, 1024, 256, NULL); CPLPopErrorHandler(); CPLErrorReset(); } if (papszADC == NULL) return FALSE; CSLSetNameValueSeparator( papszADC, ":" ); const char *pszVersion = CSLFetchNameValue( papszADC, "file format " ); if( pszVersion == NULL || !EQUAL( pszVersion, "IDRISI Values A.1" ) ) { CSLDestroy( papszADC ); return FALSE; } const char *pszFileType = CSLFetchNameValue( papszADC, "file type " ); if( pszFileType == NULL || !EQUAL( pszFileType, "ascii" ) ) { CPLDebug("IDRISI", ".adc file found, but file type != ascii"); CSLDestroy( papszADC ); return FALSE; } const char* pszRecords = CSLFetchNameValue( papszADC, "records " ); if( pszRecords == NULL || atoi(pszRecords) != (int)nTotalFeatures ) { CPLDebug("IDRISI", ".adc file found, but 'records' not found or not " "consistent with feature number declared in .vdc"); CSLDestroy( papszADC ); return FALSE; } const char* pszFields = CSLFetchNameValue( papszADC, "fields " ); if( pszFields == NULL || atoi(pszFields) <= 1 ) { CPLDebug("IDRISI", ".adc file found, but 'fields' not found or invalid"); CSLDestroy( papszADC ); return FALSE; } // -------------------------------------------------------------------- // Look for .avl file // -------------------------------------------------------------------- const char* pszAVLFilename = CPLResetExtension(pszFilename, "avl"); fpAVL = VSIFOpenL(pszAVLFilename, "rb"); if (fpAVL == NULL) { pszAVLFilename = CPLResetExtension(pszFilename, "AVL"); fpAVL = VSIFOpenL(pszAVLFilename, "rb"); } if (fpAVL == NULL) { CSLDestroy( papszADC ); return FALSE; } // -------------------------------------------------------------------- // Build layer definition // -------------------------------------------------------------------- int iCurField; char szKey[32]; iCurField = 0; sprintf(szKey, "field %d ", iCurField); char** papszIter = papszADC; const char* pszLine; int bFieldFound = FALSE; CPLString osFieldName; while((pszLine = *papszIter) != NULL) { //CPLDebug("IDRISI", "%s", pszLine); if (strncmp(pszLine, szKey, strlen(szKey)) == 0) { const char* pszColon = strchr(pszLine, ':'); if (pszColon) { osFieldName = pszColon + 1; bFieldFound = TRUE; } } else if (bFieldFound && strncmp(pszLine, "data type :", strlen("data type :")) == 0) { const char* pszFieldType = pszLine + strlen("data type :"); OGRFieldDefn oFieldDefn(osFieldName.c_str(), EQUAL(pszFieldType, "integer") ? OFTInteger : EQUAL(pszFieldType, "real") ? OFTReal : OFTString); if( iCurField == 0 && oFieldDefn.GetType() != OFTInteger ) { CSLDestroy( papszADC ); return FALSE; } if( iCurField != 0 ) poFeatureDefn->AddFieldDefn( &oFieldDefn ); iCurField ++; sprintf(szKey, "field %d ", iCurField); } papszIter++; } CSLDestroy(papszADC); return TRUE; }
GDALDataset *DTEDDataset::Open( GDALOpenInfo * poOpenInfo ) { int i; DTEDInfo *psDTED; if (!Identify(poOpenInfo) || poOpenInfo->fpL == NULL ) return NULL; /* -------------------------------------------------------------------- */ /* Try opening the dataset. */ /* -------------------------------------------------------------------- */ VSILFILE* fp = poOpenInfo->fpL; poOpenInfo->fpL = NULL; psDTED = DTEDOpenEx( fp, poOpenInfo->pszFilename, (poOpenInfo->eAccess == GA_Update) ? "rb+" : "rb", TRUE ); if( psDTED == NULL ) return( NULL ); /* -------------------------------------------------------------------- */ /* Create a corresponding GDALDataset. */ /* -------------------------------------------------------------------- */ DTEDDataset *poDS; poDS = new DTEDDataset(); poDS->SetFileName(poOpenInfo->pszFilename); poDS->eAccess = poOpenInfo->eAccess; poDS->psDTED = psDTED; /* -------------------------------------------------------------------- */ /* Capture some information from the file that is of interest. */ /* -------------------------------------------------------------------- */ poDS->nRasterXSize = psDTED->nXSize; poDS->nRasterYSize = psDTED->nYSize; if (!GDALCheckDatasetDimensions(poDS->nRasterXSize, poDS->nRasterYSize)) { delete poDS; return NULL; } /* -------------------------------------------------------------------- */ /* Create band information objects. */ /* -------------------------------------------------------------------- */ poDS->nBands = 1; for( i = 0; i < poDS->nBands; i++ ) poDS->SetBand( i+1, new DTEDRasterBand( poDS, i+1 ) ); /* -------------------------------------------------------------------- */ /* Collect any metadata available. */ /* -------------------------------------------------------------------- */ char *pszValue; pszValue = DTEDGetMetadata( psDTED, DTEDMD_VERTACCURACY_UHL ); poDS->SetMetadataItem( "DTED_VerticalAccuracy_UHL", pszValue ); CPLFree( pszValue ); pszValue = DTEDGetMetadata( psDTED, DTEDMD_VERTACCURACY_ACC ); poDS->SetMetadataItem( "DTED_VerticalAccuracy_ACC", pszValue ); CPLFree( pszValue ); pszValue = DTEDGetMetadata( psDTED, DTEDMD_SECURITYCODE_UHL ); poDS->SetMetadataItem( "DTED_SecurityCode_UHL", pszValue ); CPLFree( pszValue ); pszValue = DTEDGetMetadata( psDTED, DTEDMD_SECURITYCODE_DSI ); poDS->SetMetadataItem( "DTED_SecurityCode_DSI", pszValue ); CPLFree( pszValue ); pszValue = DTEDGetMetadata( psDTED, DTEDMD_UNIQUEREF_UHL ); poDS->SetMetadataItem( "DTED_UniqueRef_UHL", pszValue ); CPLFree( pszValue ); pszValue = DTEDGetMetadata( psDTED, DTEDMD_UNIQUEREF_DSI ); poDS->SetMetadataItem( "DTED_UniqueRef_DSI", pszValue ); CPLFree( pszValue ); pszValue = DTEDGetMetadata( psDTED, DTEDMD_DATA_EDITION ); poDS->SetMetadataItem( "DTED_DataEdition", pszValue ); CPLFree( pszValue ); pszValue = DTEDGetMetadata( psDTED, DTEDMD_MATCHMERGE_VERSION ); poDS->SetMetadataItem( "DTED_MatchMergeVersion", pszValue ); CPLFree( pszValue ); pszValue = DTEDGetMetadata( psDTED, DTEDMD_MAINT_DATE ); poDS->SetMetadataItem( "DTED_MaintenanceDate", pszValue ); CPLFree( pszValue ); pszValue = DTEDGetMetadata( psDTED, DTEDMD_MATCHMERGE_DATE ); poDS->SetMetadataItem( "DTED_MatchMergeDate", pszValue ); CPLFree( pszValue ); pszValue = DTEDGetMetadata( psDTED, DTEDMD_MAINT_DESCRIPTION ); poDS->SetMetadataItem( "DTED_MaintenanceDescription", pszValue ); CPLFree( pszValue ); pszValue = DTEDGetMetadata( psDTED, DTEDMD_PRODUCER ); poDS->SetMetadataItem( "DTED_Producer", pszValue ); CPLFree( pszValue ); pszValue = DTEDGetMetadata( psDTED, DTEDMD_VERTDATUM ); poDS->SetMetadataItem( "DTED_VerticalDatum", pszValue ); CPLFree( pszValue ); pszValue = DTEDGetMetadata( psDTED, DTEDMD_HORIZDATUM ); poDS->SetMetadataItem( "DTED_HorizontalDatum", pszValue ); CPLFree( pszValue ); pszValue = DTEDGetMetadata( psDTED, DTEDMD_DIGITIZING_SYS ); poDS->SetMetadataItem( "DTED_DigitizingSystem", pszValue ); CPLFree( pszValue ); pszValue = DTEDGetMetadata( psDTED, DTEDMD_COMPILATION_DATE ); poDS->SetMetadataItem( "DTED_CompilationDate", pszValue ); CPLFree( pszValue ); pszValue = DTEDGetMetadata( psDTED, DTEDMD_HORIZACCURACY ); poDS->SetMetadataItem( "DTED_HorizontalAccuracy", pszValue ); CPLFree( pszValue ); pszValue = DTEDGetMetadata( psDTED, DTEDMD_REL_HORIZACCURACY ); poDS->SetMetadataItem( "DTED_RelHorizontalAccuracy", pszValue ); CPLFree( pszValue ); pszValue = DTEDGetMetadata( psDTED, DTEDMD_REL_VERTACCURACY ); poDS->SetMetadataItem( "DTED_RelVerticalAccuracy", pszValue ); CPLFree( pszValue ); pszValue = DTEDGetMetadata( psDTED, DTEDMD_ORIGINLAT ); poDS->SetMetadataItem( "DTED_OriginLatitude", pszValue ); CPLFree( pszValue ); pszValue = DTEDGetMetadata( psDTED, DTEDMD_ORIGINLONG ); poDS->SetMetadataItem( "DTED_OriginLongitude", pszValue ); CPLFree( pszValue ); pszValue = DTEDGetMetadata( psDTED, DTEDMD_NIMA_DESIGNATOR ); poDS->SetMetadataItem( "DTED_NimaDesignator", pszValue ); CPLFree( pszValue ); pszValue = DTEDGetMetadata( psDTED, DTEDMD_PARTIALCELL_DSI ); poDS->SetMetadataItem( "DTED_PartialCellIndicator", pszValue ); CPLFree( pszValue ); poDS->SetMetadataItem( GDALMD_AREA_OR_POINT, GDALMD_AOP_POINT ); /* -------------------------------------------------------------------- */ /* Initialize any PAM information. */ /* -------------------------------------------------------------------- */ poDS->SetDescription( poOpenInfo->pszFilename ); poDS->TryLoadXML( poOpenInfo->GetSiblingFiles() ); // if no SR in xml, try aux const char* pszPrj = poDS->GDALPamDataset::GetProjectionRef(); if( !pszPrj || strlen(pszPrj) == 0 ) { int bTryAux = TRUE; if( poOpenInfo->GetSiblingFiles() != NULL && CSLFindString(poOpenInfo->GetSiblingFiles(), CPLResetExtension(CPLGetFilename(poOpenInfo->pszFilename), "aux")) < 0 && CSLFindString(poOpenInfo->GetSiblingFiles(), CPLSPrintf("%s.aux", CPLGetFilename(poOpenInfo->pszFilename))) < 0 ) bTryAux = FALSE; if( bTryAux ) { GDALDataset* poAuxDS = GDALFindAssociatedAuxFile( poOpenInfo->pszFilename, GA_ReadOnly, poDS ); if( poAuxDS ) { pszPrj = poAuxDS->GetProjectionRef(); if( pszPrj && strlen(pszPrj) > 0 ) { CPLFree( poDS->pszProjection ); poDS->pszProjection = CPLStrdup(pszPrj); } GDALClose( poAuxDS ); } } } /* -------------------------------------------------------------------- */ /* Support overviews. */ /* -------------------------------------------------------------------- */ poDS->oOvManager.Initialize( poDS, poOpenInfo->pszFilename, poOpenInfo->GetSiblingFiles() ); return( poDS ); }
GDALDataset *BTDataset::Open( GDALOpenInfo * poOpenInfo ) { /* -------------------------------------------------------------------- */ /* Verify that this is some form of binterr file. */ /* -------------------------------------------------------------------- */ if( poOpenInfo->nHeaderBytes < 256) return NULL; if( !STARTS_WITH((const char *) poOpenInfo->pabyHeader, "binterr") ) return NULL; /* -------------------------------------------------------------------- */ /* Create the dataset. */ /* -------------------------------------------------------------------- */ BTDataset *poDS = new BTDataset(); memcpy( poDS->abyHeader, poOpenInfo->pabyHeader, 256 ); /* -------------------------------------------------------------------- */ /* Get the version. */ /* -------------------------------------------------------------------- */ char szVersion[4] = {}; strncpy( szVersion, (char *) (poDS->abyHeader + 7), 3 ); szVersion[3] = '\0'; poDS->nVersionCode = static_cast<int>(CPLAtof(szVersion) * 10); /* -------------------------------------------------------------------- */ /* Extract core header information, being careful about the */ /* version. */ /* -------------------------------------------------------------------- */ GInt32 nIntTemp = 0; memcpy( &nIntTemp, poDS->abyHeader + 10, 4 ); poDS->nRasterXSize = CPL_LSBWORD32( nIntTemp ); memcpy( &nIntTemp, poDS->abyHeader + 14, 4 ); poDS->nRasterYSize = CPL_LSBWORD32( nIntTemp ); if( !GDALCheckDatasetDimensions(poDS->nRasterXSize, poDS->nRasterYSize) ) { delete poDS; return NULL; } GInt16 nDataSize = 0; memcpy( &nDataSize, poDS->abyHeader+18, 2 ); nDataSize = CPL_LSBWORD16( nDataSize ); GDALDataType eType = GDT_Unknown; if( poDS->abyHeader[20] != 0 && nDataSize == 4 ) eType = GDT_Float32; else if( poDS->abyHeader[20] == 0 && nDataSize == 4 ) eType = GDT_Int32; else if( poDS->abyHeader[20] == 0 && nDataSize == 2 ) eType = GDT_Int16; else { CPLError( CE_Failure, CPLE_AppDefined, ".bt file data type unknown, got datasize=%d.", nDataSize ); delete poDS; return NULL; } /* rcg, apr 7/06: read offset 62 for vert. units. If zero, assume 1.0 as per spec. */ memcpy( &poDS->m_fVscale, poDS->abyHeader + 62, 4 ); CPL_LSBPTR32(&poDS->m_fVscale); if(poDS->m_fVscale == 0.0f) poDS->m_fVscale = 1.0f; /* -------------------------------------------------------------------- */ /* Try to read a .prj file if it is indicated. */ /* -------------------------------------------------------------------- */ OGRSpatialReference oSRS; if( poDS->nVersionCode >= 12 && poDS->abyHeader[60] != 0 ) { const char *pszPrjFile = CPLResetExtension( poOpenInfo->pszFilename, "prj" ); VSILFILE *fp = VSIFOpenL( pszPrjFile, "rt" ); if( fp != NULL ) { const int nBufMax = 10000; char *pszBuffer = static_cast<char *>(CPLMalloc(nBufMax)); const int nBytes = static_cast<int>(VSIFReadL( pszBuffer, 1, nBufMax-1, fp )); CPL_IGNORE_RET_VAL(VSIFCloseL( fp )); pszBuffer[nBytes] = '\0'; char *pszBufPtr = pszBuffer; if( oSRS.importFromWkt( &pszBufPtr ) != OGRERR_NONE ) { CPLError( CE_Warning, CPLE_AppDefined, "Unable to parse .prj file, " "coordinate system missing." ); } CPLFree( pszBuffer ); } } /* -------------------------------------------------------------------- */ /* If we didn't find a .prj file, try to use internal info. */ /* -------------------------------------------------------------------- */ if( oSRS.GetRoot() == NULL ) { GInt16 nUTMZone = 0; memcpy( &nUTMZone, poDS->abyHeader + 24, 2 ); nUTMZone = CPL_LSBWORD16( nUTMZone ); GInt16 nDatum = 0; memcpy( &nDatum, poDS->abyHeader + 26, 2 ); nDatum = CPL_LSBWORD16( nDatum ); GInt16 nHUnits = 0; memcpy( &nHUnits, poDS->abyHeader + 22, 2 ); nHUnits = CPL_LSBWORD16( nHUnits ); if( nUTMZone != 0 ) oSRS.SetUTM( std::abs(static_cast<int>(nUTMZone)), nUTMZone > 0 ); else if( nHUnits != 0 ) oSRS.SetLocalCS( "Unknown" ); if( nHUnits == 1 ) oSRS.SetLinearUnits( SRS_UL_METER, 1.0 ); else if( nHUnits == 2 ) oSRS.SetLinearUnits( SRS_UL_FOOT, CPLAtof(SRS_UL_FOOT_CONV) ); else if( nHUnits == 3 ) oSRS.SetLinearUnits( SRS_UL_US_FOOT, CPLAtof(SRS_UL_US_FOOT_CONV) ); // Translate some of the more obvious old USGS datum codes if( nDatum == 0 ) nDatum = 6201; else if( nDatum == 1 ) nDatum = 6209; else if( nDatum == 2 ) nDatum = 6210; else if( nDatum == 3 ) nDatum = 6202; else if( nDatum == 4 ) nDatum = 6203; else if( nDatum == 6 ) nDatum = 6222; else if( nDatum == 7 ) nDatum = 6230; else if( nDatum == 13 ) nDatum = 6267; else if( nDatum == 14 ) nDatum = 6269; else if( nDatum == 17 ) nDatum = 6277; else if( nDatum == 19 ) nDatum = 6284; else if( nDatum == 21 ) nDatum = 6301; else if( nDatum == 22 ) nDatum = 6322; else if( nDatum == 23 ) nDatum = 6326; if( !oSRS.IsLocal() ) { if( nDatum >= 6000 ) { char szName[32]; snprintf( szName, sizeof(szName), "EPSG:%d", nDatum-2000 ); oSRS.SetWellKnownGeogCS( szName ); } else oSRS.SetWellKnownGeogCS( "WGS84" ); } } /* -------------------------------------------------------------------- */ /* Convert coordinate system back to WKT. */ /* -------------------------------------------------------------------- */ if( oSRS.GetRoot() != NULL ) oSRS.exportToWkt( &poDS->pszProjection ); /* -------------------------------------------------------------------- */ /* Get georeferencing bounds. */ /* -------------------------------------------------------------------- */ if( poDS->nVersionCode >= 11 ) { double dfLeft = 0.0; memcpy( &dfLeft, poDS->abyHeader + 28, 8 ); CPL_LSBPTR64( &dfLeft ); double dfRight = 0.0; memcpy( &dfRight, poDS->abyHeader + 36, 8 ); CPL_LSBPTR64( &dfRight ); double dfBottom = 0.0; memcpy( &dfBottom, poDS->abyHeader + 44, 8 ); CPL_LSBPTR64( &dfBottom ); double dfTop = 0.0; memcpy( &dfTop, poDS->abyHeader + 52, 8 ); CPL_LSBPTR64( &dfTop ); poDS->adfGeoTransform[0] = dfLeft; poDS->adfGeoTransform[1] = (dfRight - dfLeft) / poDS->nRasterXSize; poDS->adfGeoTransform[2] = 0.0; poDS->adfGeoTransform[3] = dfTop; poDS->adfGeoTransform[4] = 0.0; poDS->adfGeoTransform[5] = (dfBottom - dfTop) / poDS->nRasterYSize; poDS->bGeoTransformValid = TRUE; } /* -------------------------------------------------------------------- */ /* Re-open the file with the desired access. */ /* -------------------------------------------------------------------- */ if( poOpenInfo->eAccess == GA_Update ) poDS->fpImage = VSIFOpenL( poOpenInfo->pszFilename, "rb+" ); else poDS->fpImage = VSIFOpenL( poOpenInfo->pszFilename, "rb" ); if( poDS->fpImage == NULL ) { CPLError( CE_Failure, CPLE_OpenFailed, "Failed to re-open %s within BT driver.\n", poOpenInfo->pszFilename ); delete poDS; return NULL; } poDS->eAccess = poOpenInfo->eAccess; /* -------------------------------------------------------------------- */ /* Create band information objects */ /* -------------------------------------------------------------------- */ poDS->SetBand( 1, new BTRasterBand( poDS, poDS->fpImage, eType ) ); #ifdef notdef poDS->bGeoTransformValid = GDALReadWorldFile( poOpenInfo->pszFilename, ".wld", poDS->adfGeoTransform ); #endif /* -------------------------------------------------------------------- */ /* Initialize any PAM information. */ /* -------------------------------------------------------------------- */ poDS->SetDescription( poOpenInfo->pszFilename ); poDS->TryLoadXML(); /* -------------------------------------------------------------------- */ /* Check for overviews. */ /* -------------------------------------------------------------------- */ poDS->oOvManager.Initialize( poDS, poOpenInfo->pszFilename ); return poDS; }
CPLErr GDALWriteRPBFile( const char *pszFilename, char **papszMD ) { CPLString osRPBFilename = CPLResetExtension( pszFilename, "RPB" ); /* -------------------------------------------------------------------- */ /* Read file and parse. */ /* -------------------------------------------------------------------- */ VSILFILE *fp = VSIFOpenL( osRPBFilename, "w" ); if( fp == NULL ) { CPLError( CE_Failure, CPLE_OpenFailed, "Unable to create %s for writing.\n%s", osRPBFilename.c_str(), CPLGetLastErrorMsg() ); return CE_Failure; } /* -------------------------------------------------------------------- */ /* Write the prefix information. */ /* -------------------------------------------------------------------- */ VSIFPrintfL( fp, "%s", "satId = \"QB02\";\n" ); VSIFPrintfL( fp, "%s", "bandId = \"P\";\n" ); VSIFPrintfL( fp, "%s", "SpecId = \"RPC00B\";\n" ); VSIFPrintfL( fp, "%s", "BEGIN_GROUP = IMAGE\n" ); VSIFPrintfL( fp, "%s", "\terrBias = 0.0;\n" ); VSIFPrintfL( fp, "%s", "\terrRand = 0.0;\n" ); /* -------------------------------------------------------------------- */ /* Write RPC values from our RPC metadata. */ /* -------------------------------------------------------------------- */ int i; for( i = 0; apszRPBMap[i] != NULL; i += 2 ) { const char *pszRPBVal = CSLFetchNameValue( papszMD, apszRPBMap[i] ); const char *pszRPBTag; if( pszRPBVal == NULL ) { CPLError( CE_Failure, CPLE_AppDefined, "%s field missing in metadata, %s file not written.", apszRPBMap[i], osRPBFilename.c_str() ); VSIFCloseL( fp ); VSIUnlink( osRPBFilename ); return CE_Failure; } pszRPBTag = apszRPBMap[i+1]; if( EQUALN(pszRPBTag,"IMAGE.",6) ) pszRPBTag += 6; if( strstr(apszRPBMap[i], "COEF" ) == NULL ) { VSIFPrintfL( fp, "\t%s = %s;\n", pszRPBTag, pszRPBVal ); } else { // Reformat in brackets with commas over multiple lines. VSIFPrintfL( fp, "\t%s = (\n", pszRPBTag ); char **papszItems = CSLTokenizeStringComplex( pszRPBVal, " ,", FALSE, FALSE ); if( CSLCount(papszItems) != 20 ) { CPLError( CE_Failure, CPLE_AppDefined, "%s field is corrupt (not 20 values), %s file not written.\n%s = %s", apszRPBMap[i], osRPBFilename.c_str(), apszRPBMap[i], pszRPBVal ); VSIFCloseL( fp ); VSIUnlink( osRPBFilename ); CSLDestroy( papszItems ); return CE_Failure; } int j; for( j = 0; j < 20; j++ ) { if( j < 19 ) VSIFPrintfL( fp, "\t\t\t%s,\n", papszItems[j] ); else VSIFPrintfL( fp, "\t\t\t%s);\n", papszItems[j] ); } CSLDestroy( papszItems ); } } /* -------------------------------------------------------------------- */ /* Write end part */ /* -------------------------------------------------------------------- */ VSIFPrintfL( fp, "%s", "END_GROUP = IMAGE\n" ); VSIFPrintfL( fp, "END;\n" ); VSIFCloseL( fp ); return CE_None; }
int OGRShapeDataSource::OpenFile( const char *pszNewName, int bUpdate, int bTestOpen ) { SHPHandle hSHP; DBFHandle hDBF; const char *pszExtension = CPLGetExtension( pszNewName ); (void) bTestOpen; if( !EQUAL(pszExtension,"shp") && !EQUAL(pszExtension,"shx") && !EQUAL(pszExtension,"dbf") ) return FALSE; /* -------------------------------------------------------------------- */ /* SHPOpen() should include better (CPL based) error reporting, */ /* and we should be trying to distinquish at this point whether */ /* failure is a result of trying to open a non-shapefile, or */ /* whether it was a shapefile and we want to report the error */ /* up. */ /* */ /* Care is taken to suppress the error and only reissue it if */ /* we think it is appropriate. */ /* -------------------------------------------------------------------- */ CPLPushErrorHandler( CPLQuietErrorHandler ); if( bUpdate ) hSHP = DS_SHPOpen( pszNewName, "r+" ); else hSHP = DS_SHPOpen( pszNewName, "r" ); CPLPopErrorHandler(); if( hSHP == NULL && (!EQUAL(CPLGetExtension(pszNewName),"dbf") || strstr(CPLGetLastErrorMsg(),".shp") == NULL) ) { CPLString osMsg = CPLGetLastErrorMsg(); CPLError( CE_Failure, CPLE_OpenFailed, "%s", osMsg.c_str() ); return FALSE; } CPLErrorReset(); /* -------------------------------------------------------------------- */ /* Open the .dbf file, if it exists. To open a dbf file, the */ /* filename has to either refer to a successfully opened shp */ /* file or has to refer to the actual .dbf file. */ /* -------------------------------------------------------------------- */ if( hSHP != NULL || EQUAL(CPLGetExtension(pszNewName),"dbf") ) { if( bUpdate ) { hDBF = DS_DBFOpen( pszNewName, "r+" ); if( hSHP != NULL && hDBF == NULL ) { for(int i=0;i<2;i++) { VSIStatBufL sStat; const char* pszDBFName = CPLResetExtension(pszNewName, (i == 0 ) ? "dbf" : "DBF"); VSILFILE* fp = NULL; if( VSIStatExL( pszDBFName, &sStat, VSI_STAT_EXISTS_FLAG) == 0 ) { fp = VSIFOpenL(pszDBFName, "r+"); if (fp == NULL) { CPLError( CE_Failure, CPLE_OpenFailed, "%s exists, but cannot be opened in update mode", pszDBFName ); SHPClose(hSHP); return FALSE; } VSIFCloseL(fp); break; } } } } else hDBF = DS_DBFOpen( pszNewName, "r" ); } else hDBF = NULL; if( hDBF == NULL && hSHP == NULL ) return FALSE; /* -------------------------------------------------------------------- */ /* Create the layer object. */ /* -------------------------------------------------------------------- */ OGRShapeLayer *poLayer; poLayer = new OGRShapeLayer( this, pszNewName, hSHP, hDBF, NULL, FALSE, bUpdate, wkbNone ); poLayer->SetModificationDate( CSLFetchNameValue( papszOpenOptions, "DBF_DATE_LAST_UPDATE" ) ); /* -------------------------------------------------------------------- */ /* Add layer to data source layer list. */ /* -------------------------------------------------------------------- */ AddLayer(poLayer); return TRUE; }