[GraphHopper] Route Options and Directions Mode

[Muhammad Babar]

So eventually you need to build a graph with CH off and define which
vehicles you desire.

What are the possible drawbacks for setting CH off as i have read that
 *contraction
hierarchies* is a technique to speed up shortest-path routing
<http://en.wikipedia.org/wiki/Shortest-path_routing>?

Then in the code how can i change the route mode i.e car, foot, bike?

regards
Muhammad Babar

On Sun, Dec 28, 2014 at 3:17 PM, Emux <devemux86 at gmail.com> wrote:

>  The config properties file can be used to introduce parameters for the
> graph building process.
>
> In order for the user to be able to select between car or bike, then the
> graph must have support for these vehicles.
>
> And currently that can only be done with graphs that have CH disabled.
>
> So eventually you need to build a graph with CH off and define which
> vehicles you desire.
>
> Then at application level you can select the vehicle.
>
>  --
> Emux
> Cruiser <http://wiki.openstreetmap.org/wiki/Cruiser> - Atlas
> <http://wiki.openstreetmap.org/wiki/Atlas_%28navigation_application%29>
>
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>
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