[postgis-devel] [PostGIS] #1771: TopoGeo_addLineString kills the backend

PostGIS trac at osgeo.org
Wed Apr 11 12:41:12 PDT 2012

#1771: TopoGeo_addLineString  kills the backend
 Reporter:  strk      |       Owner:  strk         
     Type:  defect    |      Status:  new          
 Priority:  critical  |   Milestone:  PostGIS 2.0.1
Component:  topology  |     Version:  2.0.x        
 Keywords:            |  

Comment(by strk):

 Wonders, it's not ST_Snap but our nice splitting functions (LRS?):
 DEBUG:  Intersecting nodes: MULTIPOINT(0 1)
 DEBUG:  Snapped to nodes: LINESTRING(0 1,0 1,0 1,0 1)
 DEBUG:  Split by POINT(0 1): MULTILINESTRING((0 1),(-nan -nan,0 1))
 DEBUG:  Split: MULTILINESTRING((0 1),(-nan -nan,0 1))

 Then the NaN input kills something else...

Ticket URL: <http://trac.osgeo.org/postgis/ticket/1771#comment:1>
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