[GRASS-user] Tessellation of a set of polygons

Thomas Leduc thomas.leduc at cerma.archi.fr
Thu Feb 27 06:14:17 PST 2014


Yes indeed Markus, tessellation's problem disappears if import is forced to
2D (with v.in.ogr -2).
Thanks for your answer.

Thomas

PS: A workaround solution would have been to produce first internal buffers
of areas (with negative distance, i.e. v.buffer distance=-.25 type=area)


On Thu, Feb 27, 2014 at 1:58 PM, Markus Metz
<markus.metz.giswork at gmail.com>wrote:

> On Thu, Feb 27, 2014 at 1:03 PM, Moritz Lennert
> <mlennert at club.worldonline.be> wrote:
> > On 27/02/14 11:58, Thomas Leduc wrote:
> >>
> >> Thanks a lot for your concern. Please find enclosed the corresponding
> >> .prj file.
> >
> >
> > I don't have time to look into this any further right now, but the
> import of
> > the file reports a series of topological errors. You might want to check
> on
> > those, first.
>
> The shapefile is 3D. The topological errors disappear if the import is
> forced to 2D with v.in.ogr -2. The tesselation is only 2D anyway.
>
> Markus M
>
> >
> >
> > Moritz
> >
> > _______________________________________________
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-- 
Thomas LEDUC
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