[geos-devel] isValid() - repeated points
mbdavis at VividSolutions.com
Tue Apr 8 19:41:50 EDT 2003
The change to allowing repeated points was done in JTS 1.3, so that hasn't percolated through to GEOS yet (ah, the joys of multiple code bases....).
That's in the plan to do - in the meantime, assume that repeated points are NOT allowed and you'll sleep happily... 8^)
Martin Davis, Senior Technical Architect
Vivid Solutions Inc.
Suite #1A-2328 Government Street Victoria, B.C. V8T 5G5
Phone: (250) 385 6040 Fax: (250) 385 6046
EMail: mbdavis at vividsolutions.com Web: www.vividsolutions.com
> -----Original Message-----
> From: David Blasby [mailto:dblasby at refractions.net]
> Sent: Tuesday, April 08, 2003 4:39 PM
> To: GEOS Development List
> Subject: [geos-devel] isValid() - repeated points
> Has the definition of "isValid()" changed?
> It seems that GEOS says that repeated points are invalid, but the XML
> test files say they are valid.
> The good news is that isValid() is in PostGIS now (that took
> 2 minutes),
> but it took a few hours to sledgehammer to XML test data in.
> Of the 806
> test cases, there are 7 discrepencies (all to do with
> repeated points).
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> geos-devel at geos.refractions.net
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