check jsts javascript library working on ol for "geometry union" or check geotools (serverside), wps(serverside), geospatial database functions (serverside)
I am sure you will find the information that you need. -- View this message in context: http://osgeo-org.1560.n6.nabble.com/updating-vector-layer-tp5029292p5029508.html Sent from the OpenLayers Users mailing list archive at Nabble.com. _______________________________________________ Users mailing list [email protected] http://lists.osgeo.org/mailman/listinfo/openlayers-users
