[OSRM-talk] osrm rail extract & lua content

[Luc Van Linden]

Hi Patrick

Thanks for your input.
The ambition as such is not to perform railway routing as such, just to get
an understanding on how to take a class subset into account for profile.lua
file.

In other words, suppose we only want to perform routing using the moterways
only explicitly (thus have only the motorways in the graph).
What are actually the statements in the lua file which will select only
those osm ways to be incorporated in the osrm graph?


tx

Luc






On Mon, Sep 21, 2015 at 10:20 PM, Patrick Niklaus <
patrick.niklaus at student.kit.edu> wrote:

> That profile is very much outdated. Note the year of the post: 2013.
>
> Try to copy the current car.lua and strip it down. You should be able
> to adapt this profile easily. That said: OSRM is _really_ not suited
> for railway routing:
>
> 1. We don't support time table based routing (e.g. there is not 'time'
> in OSRMs data model)
> 2. There is nothing stoping OSRM from computing impossible train
> connections that require changing the train 10 times
> 3. For good train routing you would want to integrate multi-modal
> routing (e.g. connect  train stations by foot paths) which is also
> hard with OSRM
>
>
>
> On Mon, Sep 21, 2015 at 6:32 PM, Luc Van Linden <luc.vanlinden at gmail.com>
> wrote:
> > Hi
> >
> > We have been trying to test OSRM on the railway lines in Belgium. (on
> > windows using the windows binary builds)
> >
> > The full belgian osm file works with the standard profile.lua  (car
> > profile). We can run extract, prepare and run.
> >
> > When we try to use a railway profile, osrm.extract stops working.
> >
> > We have used the following thread without succes:
> >
> > https://www.mail-archive.com/osrm-talk@openstreetmap.org/msg00320.html
> >
> > So not clear if we have sufficient things covered in the lua file for the
> > extract.
> >
> > tx
> >
> >
> > Luc
> >
> > _______________________________________________
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> > OSRM-talk at openstreetmap.org
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> >
>
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