[GRASS-dev] [GRASS GIS] #2019: v.voronoi Segmentation fault

GRASS GIS trac at osgeo.org
Thu Jul 25 12:25:26 PDT 2013


#2019: v.voronoi Segmentation fault
---------------------------+------------------------------------------------
 Reporter:  DmitryKolesov  |       Owner:  grass-dev@…              
     Type:  defect         |      Status:  new                      
 Priority:  normal         |   Milestone:  6.4.3                    
Component:  Vector         |     Version:                           
 Keywords:  v.voronoi      |    Platform:  Unspecified              
      Cpu:  Unspecified    |  
---------------------------+------------------------------------------------

Comment(by mmetz):

 Replying to [comment:3 DmitryKolesov]:
 > Replying to [comment:1 hamish]:
 > > is it trying to make a triangle (with area==0) from two points? or
 were those two points extracted from a larger map having the problem?
 > >
 > Yes, I tryed to create Voronoi diagram from 2 points. But I think
 (probably wrong):

 > 1) Voronoi diagram of 2 points is possible (the line splits the plain in
 two half-planes)

 I agree, this should be possible, but the algorithm (basically written in
 1992) does not support this. I guess that the algorithm also does not
 support points lying on a straight line.

 > 2) In any case the module should print a message (the module crashes
 now).

 Done for trunk in r57182.

-- 
Ticket URL: <https://trac.osgeo.org/grass/ticket/2019#comment:4>
GRASS GIS <http://grass.osgeo.org>



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