[GRASSLIST:4465] Rastervalueoutput for cover vectorfiles
m.wegmann at web.de
Wed Sep 11 21:38:45 EDT 2002
I have a bit more than 100 polygons for which I want to extract the mean values of a rastermap behind it. The output should be: vector 1 = mean rastervalue xy, vector 2 = ... and
I started to do it with r.what and a calculator but I hope there is a easier way to do it.
I also want to get the distances between each polygon (center-center) I mugged around with r.le.dist but as far as I understood it, it is not possible to calculate distances from
every polygon to all the other and get a matrix as output.
any ideas which command i can use? thanks, Martin
Tropical Ecosystem Research Center
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