I think the way to go is mapnik + postgis/postgresql in combination with pgRounting and its driving distance calculation feature.
http://pgrouting.postlbs.org/ Yann Le 14 juil. 09 à 21:36, si...@mungewell.org a écrit : >> only needs an dijkstra algorithm and some more lines of code. > > sounds so simple... ;-) > > I had a look at the wikipedia page > (http://en.wikipedia.org/wiki/Dijkstra%27s_algorithm) and that would > look > to make sense. > > I suppose the way to do it would be to break the OSM highways down in > unique ways which link junctions, so that each could be given a length > (following node to node) and then use the dijkstra to calculate > distance > to each 'end' node. > > This would also be good for producing paper maps with distance values > along the side of motoring maps. You just add the distances along > chosen > route. > > Not sure how this would work for multiple reference points, ie. > nearest > bus_stop. But that's not what I asked.... > > Thanks, > Simon. > > > > _______________________________________________ > talk mailing list > talk@openstreetmap.org > http://lists.openstreetmap.org/listinfo/talk _______________________________________________ talk mailing list talk@openstreetmap.org http://lists.openstreetmap.org/listinfo/talk