[gdal-dev] gdaldem color-relief transparency

Even Rouault even.rouault at spatialys.com
Thu Dec 22 08:21:36 PST 2016


On jeudi 22 d├ęcembre 2016 17:14:33 CET Paolo Cavallini wrote:
> Hi Even,
> 
> Il 22/12/2016 16:57, Even Rouault ha scritto:
> > Perhaps there's an issue with the nodata value of your raster ?
> 
> maybe; I have created it with:
> 
> gdalwarp -q -cutline mcp_buf.shp -tr 0.0015703125 0.00038671875
> temperature.tif temp_clip.tif

Look at the nodata value reported with

gdalinfo temp_clip.tif

If there's none, then you've spotted the issue and you need to define one with -dstnodata

-- 
Spatialys - Geospatial professional services
http://www.spatialys.com
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