Le mercredi 09 juillet 2014 10:49:34, bas smit a écrit : > When the source image band having pixel values in the range of 52 and 207 > is warped using the following command: > gdal_warp -t_srs wgs84 -r near in_file out_file > > The resulted band has the pixel values in the range of 0 and 255 How can I > make the range unchanged during warp?
During warping, you may have parts of the resulting image that do not match any source area, so 0 values are expected. You can mark it as nodata by adding -dstnodata 0 to the command line. I can't think how you get 255 values though. Even -- Geospatial professional services http://even.rouault.free.fr/services.html _______________________________________________ gdal-dev mailing list [email protected] http://lists.osgeo.org/mailman/listinfo/gdal-dev
