[postgis-tickets] [PostGIS] #3464: ERROR: lwt_ChangeEdgeGeom could not construct face X, on the left of edge Y

[PostGIS]

#3464: ERROR: lwt_ChangeEdgeGeom could not construct face X, on the left of edge Y
------------------------+----------------------------
 Reporter:  strk        |      Owner:  strk
     Type:  defect      |     Status:  new
 Priority:  medium      |  Milestone:  PostGIS Future
Component:  topology    |    Version:  trunk
 Keywords:  robustness  |
------------------------+----------------------------
 This is a followup to #3463

 Self-contained test triggering the error in the Summary:
 {{{
 SELECT DropTopology('bug3463');
 SELECT CreateTopology('bug3463');
 SELECT TopoGeo_AddLinestring('bug3463', g) FROM ( VALUES
 ('LINESTRING(634451.7803 4829559.1626,634485.78
 4829525.1627,634506.460690994 4829496.52791544)'::geometry),
 ('LINESTRING(634447.034152733 4829589.53826525,634451.7794
 4829559.1635,634451.7803 4829559.1626)'),
 ('LINESTRING(634506.460690994 4829496.52791544,634511.7798
 4829489.163,634516.720831369 4829468.57536243)'),
 ('LINESTRING(634451.7803 4829559.1626,634485.78 4829525.1629,634488.637
 4829521.2083,634506.460690994 4829496.52791544)'),
 ('LINESTRING(634506.460690994 4829496.52791544,634511.7792
 4829489.1634,634516.720831369 4829468.57536243)')
 ) foo (g);

 SELECT TopoGeo_AddLinestring('bug3463',
  'LINESTRING(634452.780338203 4829623.16197433,634446.780374345
 4829591.16223176,634451.78032304 4829559.16248522,634485.780040461
 4829525.1627442,634488.530017153 4829521.16277512,634511.779820754
 4829489.16302201,634523.779707286 4829439.16341655,632187.797669813
 4827723.17794488,631718.05142978 4827788.42759019,631718.05144314
 4827826.17728887,632759.754208638 4830776.16598454)'
 ::geometry);
 }}}

 Note that the same test also fails with 2.1 branch but triggers a
 different error (geometry crosses edge).

--
Ticket URL: <https://trac.osgeo.org/postgis/ticket/3464>
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.