[PostGIS] #6034: Missing node when adding overlapping line

PostGIS trac at osgeo.org
Mon Jan 26 11:34:12 PST 2026


#6034: Missing node when adding overlapping line
--------------------------------+-------------------
  Reporter:  Lars Aksel Opsahl  |      Owner:  strk
      Type:  defect             |     Status:  new
  Priority:  medium             |  Milestone:
 Component:  topology           |    Version:  3.6.x
Resolution:                     |   Keywords:
--------------------------------+-------------------
Comment (by strk):

 The distance between the second vertex of edge 2 and edge 1 is smaller
 than the tolerance:

 {{{
 strk at strk=# select ST_Distance(ST_PointN(e2.geom, 2), e1.geom) from
 t6034.edge e1, t6034.edge e2 where e1.edge_id = 1 and e2.edge_id = 2;
       st_distance
 ------------------------
  6.4494739390198825e-15
 (1 row)
 }}}
-- 
Ticket URL: <https://trac.osgeo.org/postgis/ticket/6034#comment:14>
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