Hello, Are you looking for something like that ?
http://anitagraser.com/2011/02/12/drive-time-isochrones/ In any case, I think pgrouting and the use of topology could help you Hugues. -----Message d'origine----- De : [email protected] [mailto:[email protected]] De la part de image93 Envoyé : jeudi 4 décembre 2014 10:03 À : [email protected] Objet : [postgis-users] postgis : how to do Isochrone maps? Hello, I would like to make Isochrone maps with postgis(time and distance calculations) 1 / Could you tell me how to do that with postgis please? 2 / A 'road graph' should be compulsory. Do you know where we can get one? In advance, thank you for your reply. Regards. -- View this message in context: http://postgis.17.x6.nabble.com/postgis-how-to-do-Isochrone-maps-tp5007428.html Sent from the PostGIS - User mailing list archive at Nabble.com. _______________________________________________ postgis-users mailing list [email protected] http://lists.osgeo.org/cgi-bin/mailman/listinfo/postgis-users _______________________________________________ postgis-users mailing list [email protected] http://lists.osgeo.org/cgi-bin/mailman/listinfo/postgis-users
