OGRBNALayer::OGRBNALayer( const char *pszFilename,
const char* layerName,
BNAFeatureType bnaFeatureType,
OGRwkbGeometryType eLayerGeomType,
int bWriter,
OGRBNADataSource* poDS,
int nIDs)
{
eof = FALSE;
failed = FALSE;
curLine = 0;
nNextFID = 0;
this->bWriter = bWriter;
this->poDS = poDS;
this->nIDs = nIDs;
nFeatures = 0;
partialIndexTable = TRUE;
offsetAndLineFeaturesTable = NULL;
const char* iKnowHowToCount[] = { "Primary", "Secondary", "Third", "Fourth", "Fifth" };
char tmp[32];
poFeatureDefn = new OGRFeatureDefn( CPLSPrintf("%s_%s",
CPLGetBasename( pszFilename ) ,
layerName ));
poFeatureDefn->Reference();
poFeatureDefn->SetGeomType( eLayerGeomType );
this->bnaFeatureType = bnaFeatureType;
if (! bWriter )
{
int i;
for(i=0;i<nIDs;i++)
{
if (i < (int) (sizeof(iKnowHowToCount)/sizeof(iKnowHowToCount[0])) )
{
sprintf(tmp, "%s ID", iKnowHowToCount[i]);
OGRFieldDefn oFieldID(tmp, OFTString );
poFeatureDefn->AddFieldDefn( &oFieldID );
}
else
{
sprintf(tmp, "%dth ID", i+1);
OGRFieldDefn oFieldID(tmp, OFTString );
poFeatureDefn->AddFieldDefn( &oFieldID );
}
}
if (bnaFeatureType == BNA_ELLIPSE)
{
OGRFieldDefn oFieldMajorRadius( "Major radius", OFTReal );
poFeatureDefn->AddFieldDefn( &oFieldMajorRadius );
OGRFieldDefn oFieldMinorRadius( "Minor radius", OFTReal );
poFeatureDefn->AddFieldDefn( &oFieldMinorRadius );
}
fpBNA = VSIFOpenL( pszFilename, "rb" );
if( fpBNA == NULL )
return;
}
else
{
fpBNA = NULL;
}
}
OGRBNALayer::OGRBNALayer( const char *pszFilename,
const char* layerName,
BNAFeatureType bnaFeatureTypeIn,
OGRwkbGeometryType eLayerGeomType,
int bWriterIn,
OGRBNADataSource* poDSIn,
int nIDsIn) :
poDS(poDSIn),
bWriter(bWriterIn),
nIDs(nIDsIn),
eof(FALSE),
failed(FALSE),
curLine(0),
nNextFID(0),
nFeatures(0),
partialIndexTable(TRUE),
offsetAndLineFeaturesTable(NULL)
{
static const char* const iKnowHowToCount[]
= { "Primary", "Secondary", "Third", "Fourth", "Fifth" };
char tmp[32];
poFeatureDefn = new OGRFeatureDefn(
CPLSPrintf( "%s_%s",
CPLGetBasename( pszFilename ),
layerName ));
poFeatureDefn->Reference();
poFeatureDefn->SetGeomType( eLayerGeomType );
SetDescription( poFeatureDefn->GetName() );
this->bnaFeatureType = bnaFeatureTypeIn;
if (! bWriter )
{
for(int i=0;i<nIDs;i++)
{
if (i < static_cast<int>(
sizeof(iKnowHowToCount)/sizeof(iKnowHowToCount[0]) ) )
{
snprintf(tmp, sizeof(tmp), "%s ID", iKnowHowToCount[i]);
OGRFieldDefn oFieldID(tmp, OFTString );
poFeatureDefn->AddFieldDefn( &oFieldID );
}
else
{
snprintf(tmp, sizeof(tmp), "%dth ID", i+1);
OGRFieldDefn oFieldID(tmp, OFTString );
poFeatureDefn->AddFieldDefn( &oFieldID );
}
}
if (bnaFeatureType == BNA_ELLIPSE)
{
OGRFieldDefn oFieldMajorRadius( "Major radius", OFTReal );
poFeatureDefn->AddFieldDefn( &oFieldMajorRadius );
OGRFieldDefn oFieldMinorRadius( "Minor radius", OFTReal );
poFeatureDefn->AddFieldDefn( &oFieldMinorRadius );
}
fpBNA = VSIFOpenL( pszFilename, "rb" );
if( fpBNA == NULL )
return;
}
else
{
fpBNA = NULL;
}
}
