build performance
On Fri, Feb 18, 2011 at 01:52:47PM +1030, james.sew...@lisasoft.com wrote:
> The issue I have noticed is that the newer version is noticeably (more than
> 5x) slower on some large queries of the form:
>
> SELECT a.geom FROM left AS a, right AS b
>
iginal Message-
From: geos-devel-boun...@lists.osgeo.org
[mailto:geos-devel-boun...@lists.osgeo.org] On Behalf Of strk
Sent: Thursday, 3 February 2011 7:14 PM
To: GEOS Development List
Cc: jts-topo-suite-u...@lists.sourceforge.net
Subject: Re: [geos-devel] RE: [Jts-topo-suite-user] JTS Topo
f strk
Sent: Thursday, 3 February 2011 7:14 PM
To: GEOS Development List
Cc: jts-topo-suite-u...@lists.sourceforge.net
Subject: Re: [geos-devel] RE: [Jts-topo-suite-user] JTS Topology error
On Thu, Feb 03, 2011 at 10:25:08AM +1030, james.sew...@lisasoft.com wrote:
> (Crossposting to GEOS list)
&g
gits of precision and thus still fail.
Martin
On 2/1/2011 11:55 PM,
james.sew...@lisasoft.com<mailto:james.sew...@lisasoft.com> wrote:
I thought as much.
The code you provide is identical to the code I am using in PostGIS land
(without the pointonsuface intersection to map gids through f
t of the A2end Group of Companies
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From: geos-devel-boun...@lists.osgeo.org
[mailto:geos-devel-boun...@lists.osgeo.org] On Beh
If UnaryUnionOp is not ported would that mean I am hitting a different bug to
the Unary Union bug mentioned in the thread below?
Cheers,
James Sewell
Developer
LISAsoft
Ph: +61 3 8680 3250 Fax: +61 3 8680 3299
Level 9, 601 Bourke St, Melbourne Vic 3000
LISAsoft is part of the A2end Group o
geos-devel-boun...@lists.osgeo.org] On Behalf Of
james.sew...@lisasoft.com
Sent: Friday, 14 January 2011 5:29 PM
To: GEOS Development List
Subject: RE: [geos-devel] RE: GEOS errors from PostGIS
Heya,
The particular error I had in front of me isn't fixed by ST_Union(the_geom,
the_geom), but i
ww.ardec.com.au<http://www.ardec.com.au/>
http://www.lisasoft.com<http://www.lisasoft.com/>
http://www.terrapages.com<http://www.terrapages.com/>
From: geos-devel-boun...@lists.osgeo.org
[mailto:geos-devel-boun...@lists.osgeo.org] On Behalf Of
james.sew...@lisasoft.com
Sent: Friday, 14 Jan
.
If the problem persists, if you can send me a sample dataset (as shapefile or
WKB file) which shows the problem, I can try and see if JTS has the same
problem and if there's an obvious fix.
Martin
On 1/13/2011 9:54 PM,
james.sew...@lisasoft.com<mailto:james.sew...@lisasoft.com>
fixed this in JTS, in the soon-to-be-released ver 1.12. Perhaps this fix
hasn't made it's way into GEOS and PostGIS yet.
The thing to do is to get this fixed in GEOS, rolled into PostGIS, and then you
can retest your union case.
Martin
On 1/11/2011 6:23 PM,
james.sew...@lisas
Message: 1
Date: Thu, 13 Jan 2011 14:41:24 +0100
From: strk
Subject: Re: [geos-devel] RE: GEOS errors from PostGIS
To: GEOS Development List
Message-ID: <20110113134124.ge1...@keybit.net>
Content-Type: text/plain; charset=us-ascii
On Wed, Jan 12, 2011 at 12:53:01PM +1030, james.sew.
d Group of Companies
http://www.ardec.com.au<http://www.ardec.com.au/>
http://www.lisasoft.com<http://www.lisasoft.com/>
http://www.terrapages.com<http://www.terrapages.com/>
From: james.sew...@lisasoft.com
Sent: Wednesday, 12 January 2011 12:06 PM
To: 'geos-devel@lists.osg
Hello All,
I am currently creating an OSS Python app which uses PostGIS (and thus GEOS) to
combines multiple layers and carries through attributes.
I am using a method derived from Paul Ramsey's
http://s3.opengeo.org/postgis-power.pdf document. The steps I am taking are as
follows:
*
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