[geos-devel] Re: why this exception happened

[jingping.xie]

I tried with current CVS and the exception is thrown also  in the 
environment of  VisualStudio.

geos-cvs.tar.bz2

jingping xie
  ----- Original Message ----- 
  From: jingping.xie
  To: geos-devel at geos.refractions.net
  Sent: Wednesday, April 27, 2005 11:25 AM
  Subject: Re: why this exception happened


  Thanks a lot,,strk.

  I compiled the veriosn of "[2004/12/16] geos-2.1.1.tar.bz2" with 
VisualStudio.

  and it got complie error, so I  made the following change.

  $B-!(Bchange the file name of "source\headers\geos\platform.h.vc" to 
"source\headers\geos\platform.h",
  "source\headers\geos\version.h.in" to "source\headers\geos\version.h".

  $B-"(Bdownload "Stackwalker.h","Stackwalker.cpp" from www.codeproject.com , 
then add them to the folder of "\source\test"

  $B-#(Bremove the following files from solution
  remove 
"BasicCoordinateList.cpp","CoordinateList.cpp","CoordinateListFactory.cpp","PointCoordinateList.cpp" 
from "Source File\geom\"
  remove "CPCLException.cpp","CustomPointCoordinateList.cpp" from "Source 
File\examples\"

  $B-$(Badd the following files to solution
  add "Profiler.cpp" to "Source Files\util"
  add 
"CoordinateSequenceFactory.cpp","DefaultCoordinateSequenceFactory.cpp","DefaultCoordinateSequence.cpp","CoordinateSequence.cpp" 
to "Source Files\geom"

  add 
"ElevationMatrix.cpp","ElevationMatrixCell.cpp","ElevationMatrixFilter.cpp" 
to "Source Files\geom\operation\overlay"

  that's all
  jingping xie



  >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
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