[GRASS-user] two questions: snap and close lines

[Markus Metz]

On Sun, Feb 12, 2012 at 8:58 PM, Paolo Cavallini <cavallini at faunalia.it> wrote:
> Sample location here:
> http://int.faunalia.it/~paolo/test.tar.gz
> Confirmed by other users.
> Thanks.

Hmm. Breaking does indeed not work, even combining it with a bunch of
other cleaning tools. No quick solution here...

Markus M

>
> Il 27/01/2012 18:53, Markus Metz ha scritto:
>
>> The only two options I can think of is giving v.edit a try, otherwise
>> hand-editing.
>
> Urgh! Too bad, thanks anyway.
>
>> Why does breaking not work? Maybe you need remove duplicates and clean
>> small angles at nodes. You could try
>> v.clean input=patched at paolo type=line tool=snap,break,rmdupl,rmsa
>> thresh=1,0,0,0 output=patched_1
>
> I'm not quite sure break do not work: new nodes are there, but in subsequent steps
> they are not treated as closed polygons.
>
> Thanks.
> --
> Paolo Cavallini - Faunalia
> www.faunalia.eu
> Full contact details at www.faunalia.eu/pc