[GraphHopper] Question about traffic signals

[dos65]

I'm not sure, but i think you need create extendedStorage like TurnCosts.

On 02.03.2015 23:32, 高安琪 wrote:
> Hi all,
>
> Thanks very much for your helps. :p
>
> I am working on importing traffic lights nodes as tower nodes.
>
> However, I am not familiar with GraphHopper and get stuck in it. I 
> have already encoded traffic lights into nodeflag. The problem is I 
> don't know where I can add nodeflags into tower nodes. No ideas with 
> how to handle it. :(
>
> Could you please provide some details on how to do it?
>
> Thx verrrry much~ :p
>
> Regards,
> Anqi
>
> 2015-02-27 20:34 GMT+00:00 Peter <graphhopper at gmx.de 
> <mailto:graphhopper at gmx.de>>:
>
>     Yes, good idea. Then you'll have a bit more nodes but an easier
>     handling
>
>     Regards,
>     Peter
>
>     On 27.02.2015 21:29, dos65 wrote:
>>     Perhaps it may be easier to import traffic lights nodes as tower
>>     nodes?
>>
>>     On 27.02.2015 22:54, Peter wrote:
>>>     Hi,
>>>
>>>     this is possible but kind of tricky with the current import
>>>     procedure. You'll have to determine which OSM nodes belond to
>>>     which GH node (keep in mind that for certain situations,
>>>     especially for car, one OSM node could also be on an GH edge).
>>>     So you will need to store a traffic signal counter per edge and
>>>     put it e.g. into the flags. Please read also through:
>>>     https://github.com/graphhopper/graphhopper/issues/75
>>>
>>>     Regards,
>>>     Peter
>>>
>>>     On 27.02.2015 20:24, 高安琪 wrote:
>>>>     Hi,
>>>>
>>>>     I am a student majored in computer science from University of
>>>>     Nottingham. There is a group project for my second year module.
>>>>     We are working on adding new features to Graphhopper.
>>>>
>>>>     We try to show the number of traffic signals to user
>>>>     on Graphhopper.
>>>>
>>>>     We get the number of traffic signals by using node.hasTag().
>>>>     Then store it in OSMWay.
>>>>
>>>>     We show the number of traffic signals for specific way on the
>>>>     front-end. (we do it in the same way as showing road name of
>>>>     specific way)
>>>>
>>>>     The problem is that user may pass through a part of
>>>>     road(OSMWay), not entire road(OSMWay) and it shows the total
>>>>     traffic signals on this roads which is useless for user.
>>>>
>>>>     E.g. There are 2 traffic signals on Ilkeston Road, user will
>>>>     encounter one of them. We do it in the way mentioned above and
>>>>     it just shows the total traffic signals instead of the exact
>>>>     number of traffic signals user may encounter.
>>>>
>>>>     内嵌图片 1
>>>>
>>>>     May I ask is it possible for us to show exact number of traffic
>>>>     signals user may encounter. If we could do it, may I ask for
>>>>     some suggestions about how to implement it?
>>>>
>>>>     Regards,
>>>>     Anqi
>>>>
>
>
>     _______________________________________________
>     GraphHopper mailing list
>     GraphHopper at openstreetmap.org <mailto:GraphHopper at openstreetmap.org>
>     https://lists.openstreetmap.org/listinfo/graphhopper
>
>
>
>
> _______________________________________________
> GraphHopper mailing list
> GraphHopper at openstreetmap.org
> https://lists.openstreetmap.org/listinfo/graphhopper

-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.openstreetmap.org/pipermail/graphhopper/attachments/20150303/c8c14920/attachment.html>
-------------- next part --------------
A non-text attachment was scrubbed...
Name: not available
Type: image/png
Size: 356748 bytes
Desc: not available
URL: <http://lists.openstreetmap.org/pipermail/graphhopper/attachments/20150303/c8c14920/attachment.png>