[postgis-devel] [PostGIS] #1806: Extremely slow and CPU-intensive ST_MakeValid (ST_BuildArea) case
PostGIS
trac at osgeo.org
Sat May 12 12:02:08 PDT 2012
#1806: Extremely slow and CPU-intensive ST_MakeValid (ST_BuildArea) case
----------------------+-----------------------------------------------------
Reporter: strk | Owner: strk
Type: defect | Status: closed
Priority: high | Milestone: PostGIS 2.0.1
Component: postgis | Version: 2.0.x
Resolution: fixed | Keywords:
----------------------+-----------------------------------------------------
Comment(by hugoledoux):
By design we chose not to return "unused" geometries. So if an inner rings
collapses to a line we do not return it to the user.
We always return one MULTIPOLYGON; if the input polygon is only a line for
instance then we return an empty MULTIPOLYGON.
--
Ticket URL: <http://trac.osgeo.org/postgis/ticket/1806#comment:20>
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.
More information about the postgis-devel
mailing list