[GRASSLIST:4356] Re: applying raster heightmap to vector file z value

Radim Blazek blazek at itc.it
Thu Sep 16 04:26:24 EDT 2004

On Tuesday 14 September 2004 21:04, Benjamin Mesing wrote:
> Hello,
> I have a heightmap for an area as a rasterfile. I also have a vector file
> without z-information. Now I would like to use the height information of
> the rasterfile to apply it to the z-coordinate of the vectors in the vector
> map. How can I do this with grass (I have 5.3 and 5.7 at hand)?
> I have already taken a look at v.what.rast but first I was not able to
> launch it as I do not know what to enter in the column field and second it
> would store the height as an additional attribute what is not what I want.
> Please note that I am a complete newbie to grass and GIS in general.

Such module is not yet written. For points, you can use
v.what.rast + v.in.db.


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