Re: [geos-devel] [GEOS] #230: polygon intersection exception.

2009-02-25 Thread Martin Davis 

The second polygon is invalid - this is expected behaviour.

GEOS wrote:

#230: polygon intersection exception.
+---
 Reporter:  anigold |   Owner:  geos-devel@lists.osgeo.org
 Type:  defect  |  Status:  new   
 Priority:  major   |   Milestone:  3.1.0 
Component:  Default | Version:  3.0.0 
 Severity:  Unassigned  |Keywords:
+---

 {{{
 std::string str = POLYGON ((112.3903710739794900
 22.3851129617344210, 114.1261324827294900 22.3851129617344210,
 114.1261324827294900 23.5479374992368590, 112.3903710739794900
 23.5479374992368590, 112.3903710739794900 22.3851129617344210)) ;
 geos::geom::Geometry* pgeom0 = reader.read( str );

 str = POLYGON ((114.08765900 22.52494490,
 114.18534400 22.55317900, 114.17040400
 22.54383810, 114.14236300 22.53513500,
 114.08742900 22.52451990, 114.08926800
 22.52558200, 114.093635000100 22.52664300,
 114.08765900 22.52494490));
 geos::geom::Geometry* pgeom1 = reader.read( str );

 geos::geom::Geometry* pint = pgeom0-intersection( pgeom1 );

 }}}

 when execute the last line code, the util::TopologyException will be
 throwed.

  



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--
Martin Davis
Senior Technical Architect
Refractions Research, Inc.
(250) 383-3022

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[geos-devel] [GEOS] #230: polygon intersection exception.

2009-02-24 Thread GEOS 
#230: polygon intersection exception.
+---
 Reporter:  anigold |   Owner:  geos-devel@lists.osgeo.org
 Type:  defect  |  Status:  new   
 Priority:  major   |   Milestone:  3.1.0 
Component:  Default | Version:  3.0.0 
 Severity:  Unassigned  |Keywords:
+---
 {{{
 std::string str = POLYGON ((112.3903710739794900
 22.3851129617344210, 114.1261324827294900 22.3851129617344210,
 114.1261324827294900 23.5479374992368590, 112.3903710739794900
 23.5479374992368590, 112.3903710739794900 22.3851129617344210)) ;
 geos::geom::Geometry* pgeom0 = reader.read( str );

 str = POLYGON ((114.08765900 22.52494490,
 114.18534400 22.55317900, 114.17040400
 22.54383810, 114.14236300 22.53513500,
 114.08742900 22.52451990, 114.08926800
 22.52558200, 114.093635000100 22.52664300,
 114.08765900 22.52494490));
 geos::geom::Geometry* pgeom1 = reader.read( str );

 geos::geom::Geometry* pint = pgeom0-intersection( pgeom1 );

 }}}

 when execute the last line code, the util::TopologyException will be
 throwed.

-- 
Ticket URL: http://trac.osgeo.org/geos/ticket/230
GEOS http://geos.refractions.net/
GEOS (Geometry Engine - Open Source) is a C++ port of the Java Topology Suite 
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