On Thu, Aug 21, 2008 at 11:00 AM, Glynn Clements <[EMAIL PROTECTED]> wrote: > Markus Neteler wrote: > >> >> Null support is missing (r.external records any null value reported by >> >> GDAL, but G_get_raster_row() etc ignore it; I suspect that it will >> >> treat zero as null due to the absence of a null file). >> > >> > Null support has been added. >> >> I have now tested (in my local 6.4 backport) a shaded terrain map (GeoTIFF). >> The 0 pixels are registered as NULL pixels, leading to white areas instead >> of black in case of cast terrain shadow. >> >> So I confirm that zero is treated as NULL now. >> Could the GDAL Null value be used instead? > > Null support was added in r32924, and seems to work.
Ha - I missed to backport this one. Excellent, it now works fine in my local backport, too. So: any objections to submit this new feature/module? Markus _______________________________________________ grass-dev mailing list [email protected] http://lists.osgeo.org/mailman/listinfo/grass-dev
