[postgis-tickets] [PostGIS] #2176: ST_ChangeEdgeGeom: exception on SymDifference

PostGIS trac at osgeo.org
Tue Jan 15 09:51:47 PST 2013


#2176: ST_ChangeEdgeGeom: exception on SymDifference
----------------------+-----------------------------------------------------
 Reporter:  strk      |       Owner:  strk         
     Type:  defect    |      Status:  new          
 Priority:  medium    |   Milestone:  PostGIS 2.0.3
Component:  topology  |     Version:  2.0.x        
 Keywords:            |  
----------------------+-----------------------------------------------------
 As reported here:
 http://lists.osgeo.org/pipermail/postgis-users/2013-January/036276.html

 Robusness issues in GEOS result in exceptions thrown at ST_ChangeEdgeGeom
 time, where verifying that the incurred change would not change the data
 topology.

 There could be improvements in that computation. For example we could skip
 the check completely if no nodes other than the endpoints of the line
 would fall within the extent of either old or new edge...

-- 
Ticket URL: <http://trac.osgeo.org/postgis/ticket/2176>
PostGIS <http://trac.osgeo.org/postgis/>
The PostGIS Trac is used for bug, enhancement & task tracking, a user and developer wiki, and a view into the subversion code repository of PostGIS project.


More information about the postgis-tickets mailing list