[postgis-tickets] [PostGIS] #3108: ST_SubDivide leaves pockets

PostGIS trac at osgeo.org
Wed May 6 14:38:31 PDT 2015


#3108: ST_SubDivide leaves pockets
---------------------+---------------------------
 Reporter:  robe     |      Owner:  pramsey
     Type:  defect   |     Status:  new
 Priority:  medium   |  Milestone:  PostGIS 2.2.0
Component:  postgis  |    Version:  trunk
 Keywords:           |
---------------------+---------------------------
 It might be a misunderstanding of mine, but I assume ST_SubDivide should
 just return my geometries copped into bits.

 I'll try to get this down to something a bit more digestible, but
 I downloaded my favorite test layer from here - http://www.mass.gov/anf
 /research-and-tech/it-serv-and-support/application-serv/office-of-
 geographic-information-massgis/datalayers/townsurvey.html

 Loaded the one called TOWNSSURVEY_POLYM into a table called

 towns:

 and then ran this query:


 {{{
 -- after_subdivide
 SELECT gid, ST_SubDivide(geom)
 FROM towns;

 -- before_subdivide
 SELECT gid, ST_SubDivide(geom)
 FROM towns;

 }}}


 I'll isolate this to something smaller and more digestable, but putting
 here so I don't forget to complain.

--
Ticket URL: <http://trac.osgeo.org/postgis/ticket/3108>
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