[OSRM-talk] Cannot find route between points

John Aherne jjaherne at gmail.com
Wed Feb 12 12:20:34 UTC 2014


On Wed, Feb 12, 2014 at 10:31 AM, Emil Tin <ZF0F at tmf.kk.dk> wrote:

> Try seting the zoom level with, for example with z=12 or z=18. At low zoom
> levels, small roads are filtered out.
>
>
>
>
>
> Med venlig hilsen
>
>
> *Emil Tin*IT- og Processpecialist
> Trafik
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Emil

Thanks for your reply.

Yes I had already tried the complete range of zoom levels without any
change in result.

Frustrating is how I would put it.

Thanks

John




> *Fra:* John Aherne [mailto:jjaherne at gmail.com]
> *Sendt:* 12. februar 2014 09:07
> *Til:* osrm-talk at openstreetmap.org
> *Emne:* [OSRM-talk] Cannot find route between points
>
>
>
> I have searched the lists for info on this subject and have found some
> references but nothing that pinpoints how to solve the problem.
>
> I have installed a copy of Project-OSRM on a Debian Wheezy 64bit and it
> works fine. So thanks for a very useful project.
>
>
>
> However, I have 2 sets of coordinates which will not route - amongst
> others.
>
> I use the locate and nearest commands to try and find the nearest node on
> a street.
>
> Nearest returns a street name and a new coordinate.
>
> I use the returned coordinates to find a route but still get 207 cannot
> find route between points.
>
> I have also tried this via router.project-osrm.org and get the same 207
>
>
>
> However, when I try my original coordinates on
> http://map.project-osrm.org/ the route is calculated and does what I
> would expect.
>
> What I expect is that it draws a straight line through a set of buildings
> to the nearest node on a street from where it can calculate a route.
>
> So my problem is what is the map doing that the route calculator is not
> doing. And how can I replicate what the map is doing.
>
> Am I right that I should use the coordinates returned by the nearest
> command as the base start and end for the routing calculation.
>
> Or is there some intermediate step I am missing.
>
> Any info on this would be very useful
>
>
>
> The coordinates I am using are:
>
> 51.53474981,-0.13522952
>
> 51.50287419,-0.11924942
>
> Thanks for any response.
>
> John Aherne
>
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