[postgis-tickets] [PostGIS] #5144: 3d intersects in postgis hangs on simple polyhedron

PostGIS trac at osgeo.org
Mon Jun 19 12:26:07 PDT 2023


#5144: 3d intersects in postgis hangs on simple polyhedron
--------------------------+---------------------------
  Reporter:  lbartoletti  |      Owner:  pramsey
      Type:  defect       |     Status:  closed
  Priority:  medium       |  Milestone:  PostGIS 3.4.0
 Component:  postgis      |    Version:  3.2.x
Resolution:  wontfix      |   Keywords:
--------------------------+---------------------------
Changes (by pramsey):

 * status:  new => closed
 * resolution:   => wontfix

Comment:

 This problem is not gathering a lot of effort... my install lacks CGAL and
 support for ST_MakeSolid(), and if I run it without that, it returns an
 answer.
 {{{
 pramsey=# SELECT ST_3DIntersects(
   'POINT(0 0.5 0.5)',
   'POLYHEDRALSURFACE Z (((2 0.5 0.5, 0 0 1, 0 0 0, 2 0.5 0.5)), ((2 0.5
 0.5, 0 1 1, 0 0 1, 2 0.5 0.5)), ((2 0.5 0.5, 0 1 0, 0 1 1, 2 0.5 0.5)),
 ((2 0.5 0.5, 0 0 0, 0 1 0, 2 0.5 0.5)), ((0 0 0, 0 0 1, 0 1 1, 0 1 0, 0 0
 0)))'::geometry
 );

  st_3dintersects
 -----------------
  f
 }}}
 If you have a patch, I would be happy to look at it. I'd suggest at a
 minimum get the offending code into a debugger and see where it's hung up.
-- 
Ticket URL: <https://trac.osgeo.org/postgis/ticket/5144#comment:12>
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