[gdal-dev] Hillshade + Topographic Map??

[TJMartin]

Hi

I have managed to create a hillshade using gdaldem and I have my original
topographic rasters. However I do not want the standard grey hillshad or
apply a colour ramp.

Is there a way to combine the hillshade and topo map together - ie add a
transparency or opacity to the hillshade.

I have looked at Photopshop and ImageMagik but the results are then not
supported in QGIS etc

After a trawl through the web the only entry is an ArGIS 10 tutorial

http://help.arcgis.com/en/arcgisdesktop/10.0/help/index.html#//009t000001v1000000

Hopefully that will explain what I would like to achieve

thanks for anyones help

Tim

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