[postgis-users] Recommended update: GEOS-3.2.1 - Windows experimental builds of PostGIS and WKT Raster

[Paragon Corporation]

We have binary builds of Geos 3.2.1 packaged in with the experimental builds
for windows on this page
 
http://www.postgis.org/download/windows/experimental.php
 
The 1.5.2 in the download file we think pretty much only includes the
ST_Union bug that Mike Leahy had brought up earlier.
http://postgis.refractions.net/pipermail/postgis-users/2010-March/026234.htm
l
 
But if you don't want to upgrade to the experimental, just copy over the
geos*.dll files.  It is a drop in replacement and should work fine with your
current version of PostGIS.
 
Also for those who are interested we have WKT Raster binaries for Windows as
well for PostGIS 1.4 and 1.5 (haven't tried on 1.3 but should work fine).
We've been experimenting with the functionality of it for our upcoming book
- converting rasters to polygons, reading band values and so forth.  Its
beginning to look very promising and already useful.
 
Documentation work in progress --
http://www.postgis.org/documentation/manual-svn/RT_reference.html 
 
Leo and Regina
http://www.postgis.us
 


  _____  

From: postgis-users-bounces at postgis.refractions.net
[mailto:postgis-users-bounces at postgis.refractions.net] On Behalf Of Intengu
Technologies
Sent: Thursday, April 08, 2010 7:08 AM
To: PostGIS Users Discussion
Subject: Re: [postgis-users] Recommended update: GEOS-3.2.1


Running SELECT postgis_full_version(); gives the following output:
"POSTGIS="1.5.1" GEOS="3.2.0-CAPI-1.6.0" PROJ="Rel. 4.6.1, 21 August 2008"
LIBXML="2.7.6" USE_STATS"

I would like to upgrade GEOS-3.2.0 to GEOS-3.2.1 but unfortunately not sure
how to proceed.

I am running Windows 7 Professional 64bit with "PostgreSQL 8.4.2, compiled
by Visual C++ build 1400, 32-bit" and installed Postgis using the
Stackbuilder.
 


On 30 March 2010 10:46, strk <strk at keybit.net> wrote:


FYI, GEOS-3.2.1 has just been released:

 http://download.osgeo.org/geos/geos-3.2.1.tar.bz2

This bugfix release fixes a bug in Validity computation
which results in the postgis's ST_IsValid() to return TRUE
for possibly invalid geometries.
In particular, multi-component geometries were affected.

This version plugs painlessly in existing PostGIS installations,
just make install and you would get a correct ST_isValid()
implementation.


--strk;

 ()   Free GIS & Flash consultant/developer
 /\   http://strk.keybit.net/services.html
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-- 
Sindile Bidla

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