On 2010-09-06 13:06, usha madhuri wrote:
Hi all,
How is routing done with openlayers. Please give me the basics of routing in
openlayers.
Basically: You need a routing calculation setup using pgrouting, or
another dedicated routing engine with a web frontend. The frontend feeds
the route requests to the routing engine, parses the results and sends
the result back to OL using KML, geoJSON or whatever other suitable
format as a linestring. OL then shows the route result as a line on the
map.
So OL doesn't "do routing", it's "just" a framework that shows a map
where you can draw features on.
Yournavigation.org uses Gosmore as it's routing engine, a simple PHP
page as web frontend and displays routes using OL and an OpenStreetMap
background. Source code is in OSM SVN:
http://svn.openstreetmap.org/applications/routing/yours/trunk/www/
Note: the web frontend is found in "api/dev/gosmore.php"
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