Le mardi 15 décembre 2015 17:23:44, cl a écrit : > Is it possible to manipulate the pixel values of a GDAL VRT and, if so, > how? The original data must remain unchanged. > > I have a dataset which might be a bit rotated so that there are no data > values on the edges. I use region growing to find that parts on the edge to > not touch no data values in the actual area. I want to interpolate in the > actual area in a next step. Sometimes I might have e.g. a very large > dataset or ASCII data which can not be overwritten.
So basically you'd want a http://gdal.org/nearblack.html that would work on the fly ? > > > > -- > View this message in context: > http://osgeo-org.1560.x6.nabble.com/Changing-pixel-values-of-GDAL-VRT-tp52 > 41432.html Sent from the GDAL - Dev mailing list archive at Nabble.com. > _______________________________________________ > gdal-dev mailing list > [email protected] > http://lists.osgeo.org/mailman/listinfo/gdal-dev -- Spatialys - Geospatial professional services http://www.spatialys.com _______________________________________________ gdal-dev mailing list [email protected] http://lists.osgeo.org/mailman/listinfo/gdal-dev
