[postgis-users] valid MULTIPOLYGONs and order of vertices?

[Hubert Fröhlich]

strk at refractions.net schrieb:
...

>>
>>So, the dilemma of the quasi-standard
>> * A correct Shape is what is defined by the specs (or is it just  a 
>>white paper?)
>>vs.
>> * A correct Shape is (more or less) what can be treated by ESRI 
>>software without errors
>>
>>will remain forever...
> 
> 
> We actually don't care about being standard, if not because it allows
> ease of interoperability. For this specific case what matters is that
> pgsql2shp produces "working" shapefiles. A solution could be
> implementing a stored procedure for specifically this kind of cleanup:
> makeShapeValid(geometry). This would allow us to initially just 
> implement duplicated vertex removal, and incrementally add any new
> "discovered" pickiness of Shapefile format.
> 
> What people think about this ?
> 
> --strk;
> 
> 
Good idea!!!

-- 
Mit freundlichen Grüßen / With kind regards

Hubert Fröhlich

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