void IDADataset::ProcessGeoref() { OGRSpatialReference oSRS; if( nProjection == 3 ) { oSRS.SetWellKnownGeogCS( "WGS84" ); } else if( nProjection == 4 ) { oSRS.SetLCC( dfParallel1, dfParallel2, dfLatCenter, dfLongCenter, 0.0, 0.0 ); oSRS.SetGeogCS( "Clarke 1866", "Clarke 1866", "Clarke 1866", 6378206.4, 293.97869821389662 ); } else if( nProjection == 6 ) { oSRS.SetLAEA( dfLatCenter, dfLongCenter, 0.0, 0.0 ); oSRS.SetGeogCS( "Sphere", "Sphere", "Sphere", 6370997.0, 0.0 ); } else if( nProjection == 8 ) { oSRS.SetACEA( dfParallel1, dfParallel2, dfLatCenter, dfLongCenter, 0.0, 0.0 ); oSRS.SetGeogCS( "Clarke 1866", "Clarke 1866", "Clarke 1866", 6378206.4, 293.97869821389662 ); } else if( nProjection == 9 ) { oSRS.SetGH( dfLongCenter, 0.0, 0.0 ); oSRS.SetGeogCS( "Sphere", "Sphere", "Sphere", 6370997.0, 0.0 ); } if( oSRS.GetRoot() != NULL ) { CPLFree( pszProjection ); pszProjection = NULL; oSRS.exportToWkt( &pszProjection ); } adfGeoTransform[0] = 0 - dfDX * dfXCenter; adfGeoTransform[1] = dfDX; adfGeoTransform[2] = 0.0; adfGeoTransform[3] = dfDY * dfYCenter; adfGeoTransform[4] = 0.0; adfGeoTransform[5] = -dfDY; if( nProjection == 3 ) { adfGeoTransform[0] += dfLongCenter; adfGeoTransform[3] += dfLatCenter; } }