All,
Don't know the specifics about the engine being used, but we discussed
using the Plone storage mechanism, a few times, for spatial data. Just
didn't seem like a quick enough payoff to try anything out. At least
not on the surface.
There was a thought that there might be something to start with though.
bobb
Miguel Montesinos wrote:
Hi,
¿Does anyone know about similar projects using object oriented databases, such
as db4objects[1], which is a GPL product with native engines for Java, Java ME,
Mono, .NET, ...?
Cheers
[1] http://www.db4o.com/
---------------------------------
Miguel Montesinos
Director Técnico
PRODEVELOP
C/ Conde Salvatierra, 34 - 10
46004 Valencia. Spain
e-mail: [EMAIL PROTECTED]
http://www.prodevelop.es
Tlf: +34 963510612
-----Original Message-----
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Frank Hardisty
Sent: Tuesday, January 15, 2008 4:08 PM
To: OSGeo Discussions
Subject: Re: [OSGeo-Discuss] Open Geo Database
David and All,
A nice up-and-coming open Java geodatabase format is H2 +
spatial extensions.
The H2 database is by the same guy that wrote that HSQL db. H2
has some good properties, most importantly, it's small (1 Mb),
works well in embedded mode, and is fast. Adding in spatial
data in JTS format, and providing a spatial index, is the
basic concept.
Two implementations that I know of are
1. The French research group IRSTV, lead programmer seems to
be Erwan Bocher.
http://geosysin.iict.ch/irstv-trac/wiki/H2spatial/Download
2. GeoTools has a H2 spatial module, written by Justin Deoliveira.
Here's a link to the compiled jars:
http://maven.geotools.fr/repository/org/geotools/gt2-h2/2.5-SNAPSHOT/
Both are under active development.
regards,
-Frank
On Jan 14, 2008 3:14 PM, Sampson, David <[EMAIL PROTECTED]> wrote:
Hey Folks,
Just wondering if there is still thought out there from the previous
thread about a portable and open geodatabase. I came across the
nemesis project "an experimental finite element code.
Utilizes SQLite
to store, handle and retrieve geometry and analysis data. "
http://www.nemesis-project.org/index.php/Main_Page
Thought that might be a good place to start that is already using
geometry in sqlite.
As for software adoptions it looks like GRASS already has an
SQLITE driver.
QGIS looks hopeful. Here is a GRASS/QGIS-SQLITE tutorial
http://whatnick.blogspot.com/2007/12/using-sqlite-with-qgis-grass-tool
box.html
GDAL has some SQLITE http://www.gdal.org/ogr/drv_sqlite.html
Just some more info for the fire.
Cheers
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~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Frank Hardisty
[EMAIL PROTECTED]
GeoVISTA Center
210 Walker Building
Dutton e-Education Institute
415 Earth and Engineering Sciences Building
814-867-1471
http://www.geovista.psu.edu/grants/cdcesda/software/
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