Probably an obvious answer but it escapes me at present!
I am importing river vectors (shp files). These arrive with a 0
altitude attribute (there is no elevation data in the shp file). I
would like to place these directly on the underlying DEM. Is there a
quick way to simply give the vector vertices the appropriate height
value. As my vectors have a large number of vertices I do not fancy
using the profile to move each indidividual point to an appropriate
Thanks in anticipation of your help.