[geos-devel] why this exception happened

[strk at refractions.net]

Xie, I tried with current CVS and the exception is not thrown.
What version are you using ?
--strk;

On Tue, Apr 26, 2005 at 04:20:25PM +0900, jingping.xie wrote:
> All
> 
> When I make two polygon booled operation for example union operation, 
> somtimes one exception happened.
> 
> the two polygon is all valid, I think it shouldn't get a excetion if I union 
> two polygon anyway.
> 
> Why it happened and how to solve it?
> 
> 
> 
> the following is test.xml written by me:
> 
> <run>
>   <precisionModel type="FLOATING" />
> <case>
>   <desc>A/A-3-2-1: two polygons touching at multiple points 
> [dim(0){A.A.Bdy.CP = B.A.Bdy.CP}, dim(0){A.A.Bdy.V = B.A.Bdy.V}]</desc>
>   <a>POLYGON( (-40489.278096372727 4372.207298020518,-40296.371428571423 
> 4384.328571428571,-40288.871021184132 4292.242313959804,-40473.478571428568 
> 4280.385714285714,-40489.278096372727 4372.207298020518))</a>
>   <b>POLYGON( (-40539.639285714278 4369.042857142857,-40372.370476402626 
> 4379.553177980468,-40369.146156502444 4148.052935215692,-40519.282142857141 
> 4149.947619047619,-40539.639285714278 4369.042857142857))</b>
> <test>
>   <op name="union" arg1="A" arg2="B" arg3="FF2F01212">true</op>
>   </test>
>   </case>
> </run>
> 
> this is the exception message:
> 
> Exception: TopologyException: no outgoing dirEdge found 
> (-40539.6,4369.04,1.7e-3
> 08)
> 
> thanks
> jingping xie

> _______________________________________________
> geos-devel mailing list
> geos-devel at geos.refractions.net
> http://geos.refractions.net/mailman/listinfo/geos-devel