[GRASS-user] Help with r.to.vect

incanus andresfr at unizar.es
Fri Jul 17 07:23:52 EDT 2009


first of all, sorry about my english, and about this message. I hope this
was the correct place. I'm trying to vectorize the areas from a image map,
and I'm a rookie with GRASS. If anyone could help me a little, it would be

An example of the map i'm trying to vectorize is this:


I've tried using r.mapcalc, r.color, and other to preprocess the map befor
using r.to.vect and i can't get the areas (not the green, the others). I
don't know how to do it.

Again, sorry if this isn't the place.

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