Hello,dear Andrea,
Thank you for your help last time.In your guidance,I know how to query with a polygons bbox.But I also have a question.I want to konw whether there is a way in that we can calculate a shortest path by GML.I hope you can spare your time to see my problem during your busy time.Thank you very much.Best wishes for you.
Sincerely yours,
Yang.
yangzhaohui ha scritto:
Hello,dear Andrea,
Thank you for your help last time.In your guidance,I know how to query with a polygons bbox.But I also have a question.I want to konw whether there is a way in that we can calculate a shortest path by GML.
Hmmm... no. Geoserver does not have shorted path computation capabilities, you should look for a WPS implementation that has it.
Otherwise, and maybe a little more practical, have a PostGIS database
behind your server, install pgdijkstra and interact directly with
postgres to do the routing.
I know there is an alternative to pgdijkstra which has another name,
but I can find it (but I would look for it, having two candidates to
test is better than one).
Finally, if you're in java coding, you can use the geotools gt2-graph
module to do shortest path computation.
Just some ideas, I don't have details because I never tried using
the above packages.
Hope this helps
Cheers
Andrea