Hi! Maybe you can use the pgRouting extension for Postgis. Here you can find a workshop about pgRouting to create a road network graph http://workshop.pgrouting.org/chapters/introduction.html
or an example web map project about isocrhones http://www.flaviogortana.com/isoscope/ 2014-12-04 3:07 GMT-06:00 Hugues François <[email protected]>: > 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 > -- Harold Herrera Sánchez Teléfono: 2259-4242 Celular: 8831-3082
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