[geos-devel] [GEOS] #236: the project crash

[GEOS]

#236: the project crash
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 Reporter:  aya              |       Owner:  geos-devel at lists.osgeo.org
     Type:  defect           |      Status:  new                       
 Priority:  major            |   Milestone:  3.1.0                     
Component:  Default          |     Version:  3.0.3                     
 Severity:  Feature Request  |    Keywords:  GEOS,Distance,DistanceOp  
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 I have built two polygons named PG1 and PG2. One is
 (0,0),(1,0),(1,1),(0,1), the other is
 (0.25,0.25),(0.75,0.25),(0.75,0.75),(0.25,0.75). At this time the distance
 returned is 0.25 and closestPoints() returns successfully. However, if I
 move PG2 out of PG1 and run it aggin. The project crashed in
 closestPoints(). The package I use is geos-3.1.0rc2. Now I need to find
 the nearest points of two polygons and the related distance. If there is
 something wrong in my codes or other solution, please tell me in time.
 Thanks.

 CoordinateSequence *cs;

 cout<<PG1->distance(PG2)<<endl;
 cout<<PG2->distance(PG1)<<endl;

 typedef geos::operation::distance::DistanceOp DOP;

 DOP *Dis = new DOP(PG1, PG2);

 cout<<"in"<<endl;
 cs=Dis->closestPoints();
 cout<<"out"<<endl;

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Ticket URL: <http://trac.osgeo.org/geos/ticket/236>
GEOS <http://geos.refractions.net/>
GEOS (Geometry Engine - Open Source) is a C++ port of the Java Topology Suite (JTS).