[postgis-users] geos result sets

David Blasby dblasby at refractions.net
Wed Feb 25 10:42:25 PST 2004


Martin Davis wrote:

> I thought I better leap to the defence of JTS/GEOS.  I've analyzed the
> situation and (no surprise to me) found that the results from GEOS are
> correct.  The Within=FALSE result is caused by a slight difference in
> the vertices in the two coverages. 
> 
> I've attached a full analysis (with screenshots from JUMP).
> 
> I have no idea why ArcView gives a different result - you'll have to ask
> ESRI    8^)

Thanks for looking at that, martin.

dave



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