int OGRPCIDSKDataSource::Open( const char * pszFilename, int bUpdateIn )
{
if( !EQUAL(CPLGetExtension(pszFilename),"pix") )
return FALSE;
osName = pszFilename;
if( bUpdateIn )
bUpdate = true;
else
bUpdate = false;
/* -------------------------------------------------------------------- */
/* Open the file, and create layer for each vector segment. */
/* -------------------------------------------------------------------- */
try
{
PCIDSK::PCIDSKSegment *segobj;
const char *pszAccess = "r";
if( bUpdateIn )
pszAccess = "r+";
poFile = PCIDSK::Open( pszFilename, pszAccess,
PCIDSK2GetInterfaces() );
for( segobj = poFile->GetSegment( PCIDSK::SEG_VEC, "" );
segobj != NULL;
segobj = poFile->GetSegment( PCIDSK::SEG_VEC, "",
segobj->GetSegmentNumber() ) )
{
apoLayers.push_back( new OGRPCIDSKLayer( segobj, bUpdate ) );
}
/* Check if this is a raster-only PCIDSK file */
if ( !bUpdate && apoLayers.size() == 0 && poFile->GetChannels() != 0 )
return FALSE;
}
/* -------------------------------------------------------------------- */
/* Trap exceptions and report as CPL errors. */
/* -------------------------------------------------------------------- */
catch( PCIDSK::PCIDSKException ex )
{
CPLError( CE_Failure, CPLE_AppDefined,
"%s", ex.what() );
return FALSE;
}
catch(...)
{
CPLError( CE_Failure, CPLE_AppDefined,
"Non-PCIDSK exception trapped." );
return FALSE;
}
return TRUE;
}
int OGRPCIDSKDataSource::Open( const char * pszFilename, int bUpdateIn )
{
if( !EQUAL(CPLGetExtension(pszFilename),"pix") )
return FALSE;
osName = pszFilename;
bUpdate = bUpdateIn;
/* -------------------------------------------------------------------- */
/* Open the file, and create layer for each vector segment. */
/* -------------------------------------------------------------------- */
try
{
PCIDSK::PCIDSKSegment *segobj;
const char *pszAccess = "r";
if( bUpdateIn )
pszAccess = "r+";
poFile = PCIDSK::Open( pszFilename, pszAccess, NULL );
for( segobj = poFile->GetSegment( PCIDSK::SEG_VEC, "" );
segobj != NULL;
segobj = poFile->GetSegment( PCIDSK::SEG_VEC, "",
segobj->GetSegmentNumber() ) )
{
apoLayers.push_back( new OGRPCIDSKLayer( segobj, bUpdate ) );
}
}
/* -------------------------------------------------------------------- */
/* Trap exceptions and report as CPL errors. */
/* -------------------------------------------------------------------- */
catch( PCIDSK::PCIDSKException ex )
{
CPLError( CE_Failure, CPLE_AppDefined,
"%s", ex.what() );
return FALSE;
}
catch(...)
{
CPLError( CE_Failure, CPLE_AppDefined,
"Non-PCIDSK exception trapped." );
return FALSE;
}
/* -------------------------------------------------------------------- */
/* We presume that this is indeed intended to be a PCIDSK */
/* datasource if over half the files were .csv files. */
/* -------------------------------------------------------------------- */
return TRUE;
}