Thanks Roland,
that seem like a pretty big assumption for it to make without telling
you, when you might need to cross the road to remount (as here)
somewhere difficult. Here at least there's a crossing but a lap of the
square could be quicker.
I've only used OSRM via openstreetmap.org, and it never mentions
dismounting even if I set a destination on a way with no cycling
allowed. On the other hand it often routes to the nearest rideable
point and then stops anyway, not routing up a footpath even if that's
the destination.
What's more surprising, though even less something we can deal with
here, is that Komoot is very willing to tell you to dismount, but
doesn't - in fact in testing there appears to be a threshold at 200m
below which it doesn't bother.
C
On 11/03/2025 09:18, Roland Swingler wrote:
It has been a while since I've worked with OSRM so I can't remember
the details, but from memory the default profiles assume you can
dismount and go against the flow of traffic on oneway streets by
walking/pushing your bike on the pavement, at walking speed with a
penalty for dismounting. So very short sections of oneway will be
included but longer ones won't be (probably, because in towns there
will be a faster route than going at walking speed). Somewhere in the
profile code around
https://github.com/Project-OSRM/osrm-backend/blob/master/profiles/bicycle.lua#L528-L532
(implied one way is not the same as oneway - it is for things like
roundabouts)
Thanks,
Roland
On Mon, 10 Mar 2025 at 21:30, Chris Hodges <[email protected]> wrote:
So GraphHopper has a different bug to the others. That's closest to
what we did in reality, except we briefly became pedestrians to be
more
manoeuvrable.
On 10/03/2025 20:17, Dave F via Talk-GB wrote:
> On 10/03/2025 15:57, Chris Hodges wrote:
>> I don't think it's the one way one way _cycleway_ they ignore.
>
> Graphhopper ignores it.
>
https://www.openstreetmap.org/directions?engine=graphhopper_bicycle&route=51.383985%2C-2.364520%3B51.383379%2C-2.366288
<https://www.openstreetmap.org/directions?engine=graphhopper_bicycle&route=51.383985%2C-2.364520%3B51.383379%2C-2.366288>
>
>
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> Talk-GB mailing list
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> https://lists.openstreetmap.org/listinfo/talk-gb
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