[GRASS-user] areas with islands and v.generalize

[Georg Kaspar]

Am 09.09.2011 15:04, schrieb Hamish:
> Georg wrote:
>> i'm trying to use v.generalize to smoothen polygon areas
>> generated by r.to.vect.
>>
>> when using
>>
>> v.generalize in=cold out=cold_smooth method=douglas
>> type=area thresh=0.1
>>
>> the result remains the same as the input geometry.
> 
> try running v.build.polylines first.

no difference. though i noticed that v.generalize does not get stuck a
62% when using the snakes algorithm - it just takes a long time to run.
The result is nearly perfect though islands are still converted to
polygons...

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