[postgis-tickets] [PostGIS] #4556: st_asmvtgeom sometimes produces leaking polygons (postgis 3.0)

PostGIS trac at osgeo.org
Wed Oct 23 06:23:38 PDT 2019


#4556: st_asmvtgeom sometimes produces leaking polygons (postgis 3.0)
----------------------+---------------------------
  Reporter:  anneb    |      Owner:  pramsey
      Type:  defect   |     Status:  new
  Priority:  medium   |  Milestone:  PostGIS 3.0.0
 Component:  postgis  |    Version:
Resolution:           |   Keywords:
----------------------+---------------------------

Comment (by anneb):

 I believe just commenting out line:


 {{{
 lwgeom_simplify_in_place(lwgeom, res, preserve_collapsed);
 }}}

 is enough to solve the problem.

 After rebuilding, I tried this and several previous problematic polygons
 and they are now all output correctly.

 Commenting out only line
 {{{
 lwgeom_remove_repeated_points_in_place
 }}}
 does not solve the polygon-leak problem.

-- 
Ticket URL: <https://trac.osgeo.org/postgis/ticket/4556#comment:2>
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