Hi Stephen thanks for the tip... I read the example and implements it with my data.
Now my problem is :how to rescue the data for instructions,distance,time etc? .. how can I know whether to turn right or left? RG. 2009/1/20 Stephen Woodbridge <wood...@swoodbridge.com> > Valeria, > > You should really look at the example provided with: > http://pgrouting.postlbs.org/wiki/WorkshopFOSS4G2007 > > This is what I started with and then made my own modifications. The above > workshop should walk you through how to setup a pgRouting without my > additional hacks which will only confuse you at the moment. > > My dd_routing.php is a modified version of ax_routing.php that is included > in the tutorial tarball. > > You might also want to read some of these pages if you have not already: > http://www.google.com/search?hl=en&q=pgRouting&btnG=Google+Search > > Best regards, > -Steve W > > Valeria Muñoz wrote: > >> hi Stephen.. thank for the tips... >> I have reviewed the code but can only see the dd.html. can you send me the >> dd_routing.php? . >> please >> >> thanks for everything >> 2009/1/19 Stephen Woodbridge <wood...@swoodbridge.com <mailto: >> wood...@swoodbridge.com>> >> >> Valeria Muñoz wrote: >> >> frank >> thanks for the tips. I use prRouting and create the table >> dijsktra_result. Now how can I implement with my mapfile? , how >> deliver the data .. have some sample code? >> >> thanks for your help. >> >> 2009/1/19 Frank Warmerdam <warmer...@pobox.com >> <mailto:warmer...@pobox.com> <mailto:warmer...@pobox.com >> >> <mailto:warmer...@pobox.com>>> >> >> >> Valeria Muñoz wrote: >> >> Hi >> I would like to implement the service "optimum path >> between 2 >> points," can someone help me to be able to implement it?. >> The >> general idea is that a user picks a point A and point B and >> a >> display on the map the best route to get from point A to B. >> >> >> Valeria, >> >> MapServer itself does not do route calculation. You might >> find some >> useful pointers on this page: >> >> http://wiki.osgeo.org/wiki/OpenRouter >> >> I think the pgRouting (built on postgres/postgis) is the best >> bet for >> integration with MapServer. >> >> >> So you have various options depending on the client software you are >> using. So here are some ideas for you: >> >> 1) put the route into a results table with a unique id, and pass the >> unique id back to the client where it can then request the route >> image via a mapserver mapfile the connects to the postgis database >> and requests the layer be drawn with the unique id to select the >> appropriate route. >> >> 2) make an ajax request to generate the route and return the >> polyline as an xml or json object back to the client. The client >> then parses the result document and displays the route over the map. >> >> 3) if you use OpenLayers for the client then you can use it to help >> you do 1) as an image, or 1) as a wfs layer, or 2) as a vector layer. >> >> You can look at the source for my demo page >> http://imaptools.com/leaddog/routing/dd.html which does this with a >> modified version of pgRouting (pgRouting does not return >> turn-by-turn directions), but you should be able to modify my code >> to work with pgRouting. I wrote a simple php script to proxy the >> route request into postgres and to format the results back to the >> client. >> >> Look this over and see how far you can get with this. If you get >> stuck, ask and I'm sure we can get you moving in the right direction. >> >> >> >
_______________________________________________ mapserver-users mailing list mapserver-users@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/mapserver-users