[gdal-dev] GDAL doesn't read GeoTiff .msk mask file

Even Rouault even.rouault at spatialys.com
Mon Dec 19 05:09:00 PST 2016

On lundi 19 décembre 2016 13:38:04 CET Even Rouault wrote:
> Nikolai,
> > I’ve got an 8-bit 3-band (RGB) GeoTiff file created in ArcGIS and it has a
> > mask file (myfile.tif.msk) along with it, indicating which pixels have
> > "nodata" value. When viewing it in ArcMap, I get “nodata” for masked
> > pixels. But when viewing in QGIS, I get an unmasked raster and masked
> > pixels return pixel values of R G and B bands. Gdalinfo doesn’t return a
> > .tif.msk file in a list of dataset files (however it does return
> > .aux.xml)

Actually looking at the code and experimenting, that's super weird. The .msk file 
should always be listed in the file list, even if there are no INTERNAL_MASK_FLAGS_x 
metadata item. Does gdalinfo on the .msk file succeed ?

Spatialys - Geospatial professional services
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