[GRASSLIST:5651] urgent question

Hello all,

I have a 'urgent' question:

is there a way I can assign the z-values in a raster (DEM) map

to the vertex of a vector map (drainage).

I need this to produce a 'hidraulic gradient' map, the

method is important for my PhD project.

thanks all.

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   Carlos Henrique Grohmann de Carvalho - Guano

    Geologist - MSc Student at IGc-USP - Brazil

   Linux User #89721 PGP key: www.keyserver.net

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