[PostGIS] #5782: TopoGeo_addLinestring corrups topology: adjacent edges 33 and -32 bind different face (1 and 0)

PostGIS trac at osgeo.org
Mon Sep 30 01:25:08 PDT 2024


#5782: TopoGeo_addLinestring corrups topology: adjacent edges 33 and -32 bind
different face (1 and 0)
--------------------------------+---------------------------
  Reporter:  Lars Aksel Opsahl  |      Owner:  strk
      Type:  defect             |     Status:  new
  Priority:  high               |  Milestone:  PostGIS 3.4.4
 Component:  topology           |    Version:
Resolution:                     |   Keywords:
--------------------------------+---------------------------
Comment (by strk):

 For the record, SFCGAL agrees with GEOS about which line is closer,
 although gives different numbers (using CG_Distance):
 {{{
 PostGIS:
  A-Q: 9.716835623285099e-05
  B-Q: 9.716835623092273e-05
 SFCGAL:
  A-Q: 9.716835622921602e-05
  B-Q: 9.716835623197789e-05
 GEOS:
  A-Q: 9.7168356230588148e-05
  B-Q: 9.7168356230827946e-05
 }}}
-- 
Ticket URL: <https://trac.osgeo.org/postgis/ticket/5782#comment:31>
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