bool ossimGeneralRasterInfo::initializeFromEnviHdr( const ossimEnviHeader& enviHdr )
{
bool result = false;
while( 1 )
{
//---
// Go through the data members in order.
// If a required item is not found break from loop.
//--
theMetaData.clear();
// scalar ( required ) :
if( enviHdr.getOssimScalarType() != OSSIM_SCALAR_UNKNOWN )
{
theMetaData.setScalarType( enviHdr.getOssimScalarType() );
}
else
{
break;
}
theImageFileList.clear();
// interleave ( required ):
theInterleaveType = enviHdr.getOssimInterleaveType();
if ( theInterleaveType == OSSIM_INTERLEAVE_UNKNOWN )
{
break;
}
// bands ( required ):
if ( !enviHdr.getBands() )
{
break;
}
theMetaData.setNumberOfBands( enviHdr.getBands() );
// lines ( required ):
ossim_uint32 lines = enviHdr.getLines();
if ( !lines )
{
break;
}
// samples ( required ):
ossim_uint32 samples = enviHdr.getSamples();
if ( !samples )
{
break;
}
// Set the rectangles:
theRawImageRect = ossimIrect( 0, 0, samples - 1, lines - 1 );
theValidImageRect = theRawImageRect;
theImageRect = theRawImageRect;
// sample start ( not required ):
theSubImageOffset.x = enviHdr.getXStart();
// line start ( not required ):
theSubImageOffset.y = enviHdr.getYStart();
// header offset ( not required ):
theHeaderSize = enviHdr.getHeaderOffset();
// null mode:
theSetNullsMode = ossimGeneralRasterInfo::NONE;
// pixels to chop:
thePixelsToChop = 0;
// Byte order, this will be system if not found.
theImageDataByteOrder = enviHdr.getByteOrder();
result = true;
break; // Trailing break to get out.
}
return result;
} // End: ossimGeneralRasterInfo::initializeFromEnviHdr( const ossimEnviHeader& )
