On Tue, Jul 19, 2011 at 03:24:41PM +0800, sunpeng wrote: > hi, friends, > I've noticed in oracle 11g/10g, they support network data model, which > you could find here:Spatial Topology and Network Data Models Developer's > Guide:http://download.oracle.com/docs/cd/E11882_01/appdev.112/e11831/toc.htm. > > I wondered are there any related part in PostGIS or 3rh part open source > project?
Network is not in PostGIS. Topology is. Model and behavior of both are also defined by ISO SQL/MM. An implementation of the ISO network in PostGIS would be a perfect companion for existing topology (in case you're willing to work on or fund it). For third party check http://www.pgrouting.org/ --strk; () Free GIS & Flash consultant/developer /\ http://strk.keybit.net/services.html _______________________________________________ postgis-users mailing list [email protected] http://postgis.refractions.net/mailman/listinfo/postgis-users
