AW: [postgis-users] GEOS Intersection() threw an error! Again

[Pierre viallet]

Thank's a lot Rene and Thomas,
I'm going to switch to geos 3.0.0rc1, and test it !
Regards,
Pierre


----- Message d'origine ----
De : Rene Neidt <r.Neidt at idu.de>
À : PostGIS Users Discussion <postgis-users at postgis.refractions.net>
Envoyé le : Mardi, 17 Octobre 2006, 21h42mn 35s
Objet : AW: [postgis-users] GEOS Intersection() threw an error! Again


Hello Pierre,
we have similar problems.
 
a few seconds ago we have installed a server with ....
 
 "POSTGIS="1.1.5" GEOS="3.0.0rc1-CAPI-1.2.0" PROJ="Rel. 4.5.0, 19 Apr 2006" USE_STATS"
(on suse linux)
 
and your query works !
 
We hope that our problems also will be resolved with the new geos  version :-)
 
Greetings
Rene + Thomas
 


Von: postgis-users-bounces at postgis.refractions.net [mailto:postgis-users-bounces at postgis.refractions.net] Im Auftrag von Pierre viallet
Gesendet: Dienstag, 17. Oktober 2006 16:10
An: postgis-users at postgis.refractions.net
Betreff: [postgis-users] GEOS Intersection() threw an error! Again


Hi Guy,
I know that i'm not the only one who have TopologyException probelm.
But the folowing exemple was running well in previous version (before geos 2.1.4) and return POINT(0.1,0.1) :
 
select
astext(intersection(geomfromtext('POLYGON ((0 0, 0 0.5, 0.1 0.5, 0.1 0.1, 0 0))', 27582), 
geomfromtext('POLYGON ((0.5 0, 0.1 0, 0.1 0.1, 0.5 0.5, 0.5 0))', 27582)))
 
 
I've chechek the validity of the two geom, and i try also
 
select  
astext(intersection(ForceRHR(geomfromtext('POLYGON ((0 0, 0 0.5, 0.1 0.5, 0.1 0.1, 0 0))', 27582)), 
ForceRHR(geomfromtext('POLYGON ((0.5 0, 0.1 0, 0.1 0.1, 0.5 0.5, 0.5 0))', 27582))))
 
Is there a way to work around this pb ? 
Does news geos 3.0.0 rc1 and the new binaryOp solve this ?
 
Regards,
Pierre



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