[postgis-users] CLEAN command (was:Cleaning non valid multipolygon)

[herval Fernandes Lopes]

Test.

Em Dom, 2009-02-08 às 00:42 +0100, Stefan Keller escreveu:
> Hi,
>  
> Recently there was an interesting thread about "Cleaning non valid
> multipolygon". The goal there was to eliminate small polygons. This is
> similar to ArcGIS' ELIMINATE command, see
> http://webhelp.esri.com/arcgisdesktop/9.2/index.cfm?id=1398&pid=1394&topicname=Eliminate_(Coverage).
>  
> Now, there is another command I remember from ArcGIS, called CLEAN
> (see
> http://webhelp.esri.com/arcgisdesktop/9.2/index.cfm?TopicName=Clean%
> 20(Coverage)). 
>  
> Among other's, it (1) deletes dangling lines that are shorter than a
> specified dangle length, and (2) merges coordinates within a certain
> tolerance of each other. 
> 
> In case, someone has already resolved this using PostGIS, I'd be
> interested.
>  
> -S.
> 
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