[GRASS-user] raster merging

Nikos Alexandris nikos.alexandris at felis.uni-freiburg.de
Wed Mar 18 13:20:56 EDT 2009

On Wed, 2009-03-18 at 16:17 +0100, Cassiel wrote:
> Hi you all,
> I am working with geotiff raster data served on a webgis (mapserver +
> pmapper) and I would like to serve a merged raster (DEM + its shaded
> relief) instead of serving two distinct raster/layer with my mapfile
> (one for the dem and one for the shaded relief).
> Should I go with r.mapcalc in order to obtain a suitable GTiff for
> mapserver?
> Regards
> raffaele


perhaps r.blend is what you are looking for. After some trial and error
(concerning the "Percentage weight of first map for color blending")
you'll get a nice looking shaded DEM that you can use (export).

Kind regards, Nikos

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