On lundi 12 mars 2018 05:55:10 CEST Ian Reese wrote: > No matter which variation of merge I run, those regions that once contained > 'nodata' or '-9999' are converted to '0' and the nodata value is not > retained after the merge. When I load the test_merge_wnodata.tif into > QGIS, those regions once containing 'nodata', are now filled with 0 and > rendered as such.
gdal_merge.py -n -9999 -a_nodata -9999 -o test_merge_wnodata.tif *.tif or even gdal_merge.py -a_nodata -9999 -o test_merge_wnodata.tif *.tif work fine for me with recent enough GDAL (2.2) Even -- Spatialys - Geospatial professional services http://www.spatialys.com _______________________________________________ gdal-dev mailing list gdal-dev@lists.osgeo.org https://lists.osgeo.org/mailman/listinfo/gdal-dev