[OSGeo-Discuss] Re: Raster data on RDBMS
Sylvan Ascent Inc.
sylvanascent at mail2web.net
Fri Oct 31 03:27:50 PDT 2008
Sorry to be so ignorant, but can you give me a quick overview of how Terralib does this?
Roger Bedell, President Sylvan Ascent Inc.
+34 626 855 662
roger at sylvanascent.com <mailto:roger at sylvanascent.com>
From: discuss-bounces at lists.osgeo.org on behalf of Gilberto Camara
Sent: Thu 10/30/2008 8:25 PM
To: discuss at lists.osgeo.org
Subject: [OSGeo-Discuss] Re: Raster data on RDBMS
I would like to take a broader view of the issue of raster data in a
DBMS. Issues of performance are relevant, but the benefits of having
raster data on a DBMS are much more important.
Consider that raster sensors and grid models are by far the dominant
source of new geospatial data. If FOOS4G solutions do not include the
capability of handling raster data in a DBMS, they would be lacking in
functionality compared to commercial solutions from Oracle and ESRI.
INPE´s FOSS4G developement of raster data on RDBMS using the
TerraLib library is a tangible proof of concept. TerraAmazon
(built using TerraLib) is INPE's OS solution for monitoring
tropical forests operationally.
The application was described in a recent article on the OSGEO
journal, and it is arguably one of the biggest geospatial databases
built using FOSS4G. Hundreds of images and hundreds of thousands
of polygons are used operationally in Brazil´s real-time monitoring
We hope our example helps to convince the community
that we should not waste time arguing that we shouldn't
store raster data in DBMS. FOOS4G needs this capability.
Better yet, we already HAVE this capability on a production level.
National Institute for Space Research (INPE)
Sao Jose dos Campos, Brazil
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