[GRASS-user] smoothing polygon lines

[Maciek Sieczka]

On Mon, 19 Jun 2006 11:07:23 -0400
"Jonathan Aguero" <jua130 at psu.edu> wrote:

> 
> 
> Maciek and list,
> 
> Wouldn´t you get smoother lines with the prune option of v.clean?
> I've never used this option before but reading from the manual it
> says: "prune: remove vertices in threshold from lines and boundaries,
> boundary is pruned only if topology is not damaged (new intersection,
> changed attachement of centroid), first and last segment of the
> boundary is never changed".
> Playing with the threshold might acomplished what you are looking for

Not really. The smoothing we (I, at least) mean is creating a line
which goes through each original line vertex *and* through plenty
additional vertices, for the line to be smooth and close to original in
the same time. That's what splines mostly do, which Markus mentioned
in the thread.

Maciek

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