[GRASSLIST:3790] Vector Manipulation

[Christoph Simon]

Hi!

I just joined this list. I was wondering if there is any grass tool
like r.mapcalc for vector data. In particular, I would need a way to
do two things: one is to join several adjacent area polygons into one
bigger. I found an add-on tool called v.rmedge which does exactly the
inverse of what I'm trying to do. And the other one is to select or
deselect certain lines in a resulting map C depending on their
presence in map A and/or B (with or without a snapdistance).

Thanks in advance.

-- 
Christoph Simon
ciccio at kiosknet.com.br
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