[mkgmap-dev] [PATCH v1] Synthesise cycleways that allow reverse bicycle routing on oneway streets

Wed May 27 13:27:32 BST 2009

Hi Clinton,

Thanks for the feedback.

> I tested this last night, as there are several streets close by where
> this applies.
> 
> It seemed to work... mostly.
> 
> Strange things start to happen when you are directly on the street in
> question. It appears that my eTrex sometimes decided I was on the
> street, and not the cycleway, and sent me backwards.
> 
> Conversely when I switched back to car routing, the GPS device sent me
> (for short distances) on the cycleway.
> 
> Things seemed to be OK when I started routing outside of the one-way street.

Yes, I would expect problems if you start on or very near to one of
these "fake" cycleways. Can't think of how to get around that.

Perhaps it would be a good idea to use an option to turn this feature
on rather than it being always active.

> I would like to test this further: to do so, I have to first update
> the OSM map in my area (there are a lot of one-way streets here which
> allow reverse-flow bicycle traffic, but I have always ignored them).
> I'll try to report back in a few days with further real-world results.

Thanks, that would be good.

Cheers,

Mark