[OSRM-talk] Cannot find route between points

[John Aherne]

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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