On 11-03-10 05:07 PM, Wendell Turner wrote:
Is there a way to force pixels outside of the cropping polygon to be 'not there', or transparent? Is there a burn value that indicates that?
Wendell, The -dstnodata parameter can be used to set the output nodata value. I'm not sure if it will properly mark that value as no data or not and whether the end application honours nodata values in geotiff is ... variable. Another approach is to use -dstalpha to add an alpha channel to the output. Best regards, -- ---------------------------------------+-------------------------------------- I set the clouds in motion - turn up | Frank Warmerdam, warmer...@pobox.com light and sound - activate the windows | http://pobox.com/~warmerdam and watch the world go round - Rush | Geospatial Programmer for Rent _______________________________________________ gdal-dev mailing list gdal-dev@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/gdal-dev