[GraphHopper] Can graphhopper work with any specific spatial reference system?

[Peter]

Hi Per,

I completely agree with Jan. Also doing the transformation on the server
side (e.g. in GraphHopperServlet) could be another solution.

Regards,
Peter

On 20.11.2014 11:29, Jan Torben Heuer wrote:
> Hi Per,
>
> I recommend to do it client side, it should be fairly easy to draw the
> graphhopper response (Google Polyline Encoding) with OpenLayers (which
> then takes care of projections).
> If you prefer a server-side solution, you can use geotools to covert
> between 4326 and 3011 before sending the result to the client. I don’t
> see much benefit in doing it server-side.
> If you even change the projection in the source file, prepare to
> change large parts of the code base.
>
> HTH,
>
> Jan
>
> Am 20.11.2014 um 11:21 schrieb Per Laas <per.laas at muchomail.com
> <mailto:per.laas at muchomail.com>>:
>
>> Hi!
>>
>> Very good work you have done with graphhopper. Uppsala local
>> government in Sweden uses SWEREF 99 18 00 (SRID 3011) as spatial
>> reference system for most maps using among others Mapserver,
>> geowebcache and OpenLayers. It could be nice to add some routing in
>> these maps.
>>
>> -Is it possible to make graphhopper service API work with this
>> spatial reference system? Maybe by creating a osm.bpf with this
>> spatial reference system? I do not know if it is possible at all, for
>> example using ogr2osm.
>>
>> -Isit possible to make the graphhopper client to work with this
>> spatial reference system? It seems the default client uses leaflet. I
>> have read somewhere leaflet is not so strong handling different
>> spatial reference systems.
>>
>> -Is there somebody who know if anybody has used graphhopper service
>> API with OpenLayers?
>>
>> -Is there any documentation how to use graphhopper with your chosen
>> spatial reference system?
>>
>> Appreciate any answers
>> Thanks, Per
>>
>> ----------------------
>> Per Låås
>> Valloxvägen 20
>> 74142 Knivsta
>> Tel: +46-18-343561
>> Mob: +46-725-196540
>> per.laas at muchomail.com <mailto:per.laas at muchomail.com>
>> ----------------------

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