[postgis-devel] [PostGIS] #837: [raster] ST_MapAlgebra -- I think we have a memory leak
PostGIS
trac at osgeo.org
Wed Apr 6 13:32:46 PDT 2011
#837: [raster] ST_MapAlgebra -- I think we have a memory leak
----------------------------+-----------------------------------------------
Reporter: robe | Owner: jorgearevalo
Type: defect | Status: assigned
Priority: blocker | Milestone: PostGIS 2.0.0
Component: postgis raster | Version: trunk
Keywords: |
----------------------------+-----------------------------------------------
Comment(by jorgearevalo):
Replying to [comment:15 robe]:
> Jorge,
>
> Sorry to take so long to reply. On my windows mingw install it gives
same message as yours and answers are in right ball park.
>
> Takes 13 seconds to do the map call.
>
> {{{
> SELECT distinct (r).val
> FROM (SELECT ST_DumpAsPolygons(map_rast) as r
> FROM ch13.pele) As foo
> }}}
>
> Takes 359 ms.
>
> So ST_DumpAsPolygons seems much faster and my elephant is recognizable
in open jump. I haven't done any other tests though.
Great news :-).
--
Ticket URL: <http://trac.osgeo.org/postgis/ticket/837#comment:16>
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