Jukka Rahkonen <jukka.rahkonen <at> mmmtike.fi> writes:
> > I wonder if it could be done by using the Spatialite SQL dialect and > ScaleCoordinates or ReflectCoordinates > http://www.gaia-gis.it/gaia-sins/spatialite-sql-4.0.0.html#p15 > > This SQL is changing the sign of y-coordinates > select ScaleCoords(geometry,1,-1) from polygons limit 1 Frank Warmerdam in another thread just wrote that SQL dialect can be selected in VRT and thus this might work for changing the sign of y coordinate of the GML source data <OGRVRTDataSource> <OGRVRTLayer name="negative_y"> <SrcDataSource>antarctis.gml</SrcDataSource> <LayerSRS>WGS84</LayerSRS> <SrcSQL dialect="sqlite">SELECT ScaleCoords(geometry,1,-1) from antarctis</SrcSQL> </OGRVRTLayer> </OGRVRTDataSource> -Jukka Rahkonen- _______________________________________________ gdal-dev mailing list gdal-dev@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/gdal-dev