PostGIS Topology: Difference between revisions
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'''PostGIS Topology''' allows to store topological vector data in [[PostGIS]] database. It's available in '''PostGIS 2.0 and greater'''. GRASS supports PostGIS Topology in version '''GRASS 7.0 and greater'''. | '''PostGIS Topology''' allows to store topological vector data in [[PostGIS]] database. It's available in '''PostGIS 2.0 and greater'''. GRASS supports PostGIS Topology in version '''GRASS 7.0 and greater''' through [http://trac.osgeo.org/grass/wiki/Grass7/VectorLib/PostGISInterface GRASS-PostGIS data provider]. | ||
== Background == | == Background == | ||
Revision as of 13:14, 29 November 2012
PostGIS Topology allows to store topological vector data in PostGIS database. It's available in PostGIS 2.0 and greater. GRASS supports PostGIS Topology in version GRASS 7.0 and greater through GRASS-PostGIS data provider.
Background
Topological models used by GRASS and PostGIS Topology are different - see bellow.
GRASS Topology Model
PostGIS Topology Model
See also
External links
- PostGIS Topology manual
- PostGIS Topology wiki page
- State of the art of FOSS4G for topology and network analysis (FOSS4G 2010)
- strk's page about PostGIS
- PostGIS topology ISO SQL/MM complete (strk's blog)
- Simplifying a map layer using PostGIS topology (strk's blog)
- Topo-Geo-and-Topo-Net - The Concepts • Routine Details
- ISO 13249-3 Information Technology - Database languages - SQL Multimedia and application packages (Text for FDIS)