[OSRM-talk] Agnostic Map Matching profile

[Frédéric Rodrigo]

Le 09/07/2019 à 22:03, André Siefken a écrit :
> Hi @all,
>
> I'm exploring ways to have the matching algorithm work agnostic to
> (most) road restrictions and rather 'trust' the trace I pass in.
>
> I receive continuous GPS locations, with moderate to high resolution in
> time, from bikes as well as cabs or buses. It just so happens that some
> idiots ride their bikes on roads that OSM (and most laws) thinks they
> shouldn't, as well as some cars ignoring bus lane restrictions or buses
> leave their lanes. In those cases, matching fails one way or another
> ([No match], or only partial matches).
>
> I have a hard time wrapping my head around if a profile can actually
> fullfill restriction and/or even vehicle type (I can easily work with
> multiple graphs, though) agnostic matching, which likely implies a
> similar agnostic weighting. I imagine a shortest connection/path
> matching should do just that, but then I'm at a loss if that is actually
> the case and if so, how to generate such a profile.
>
> Your insights would be much appreciated...
>
> André


I think the weighting is the right think to do. Use high weight on way 
there is no legal access. It's some kind of soft access restriction. You 
can even weight the opposite of a one way restriction.

But you will have to rework all the samples profiles provided in OSRM.


Frédéric.