On samedi 21 juillet 2018 19:40:54 CEST Denis Rykov wrote: > Hi, > > I have a GeoTIFF raster with internal mask. Is it possible to retain this > mask while warping? Not as a mask with gdalwarp, but you can turn it as a an alpha band with -dstalpha -- Spatialys - Geospatial professional services http://www.spatialys.com