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

[strk at refractions.net]

On Tue, Apr 26, 2005 at 04:01:51PM +0200, Hubert Fröhlich wrote:
> 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!!!

Item added in the growing TODO list in head branch.
--strk;

> 
> -- 
> Mit freundlichen Grüßen / With kind regards
> 
> Hubert Fröhlich
> 
> -------------------------------------------------------------------------------
> Dr.-Ing. Hubert Fröhlich			
> Bezirksfinanzdirektion München 			
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