[talk-au] Routing through a park that doesn't have actual paths

Jonathon Rossi jono at jonorossi.com
Wed Jan 31 14:17:28 UTC 2018

To clarify, both Google Maps and Strava routing can't do this either, I was
trying to work out if OSM could do this.

On Thu, Feb 1, 2018 at 12:10 AM Jonathon Rossi <jono at jonorossi.com> wrote:

> In the past I've mapped exactly what I've surveyed on the ground in local
> parks, however I've recently been using the OSM routing feature rather than
> from other services and I've discovered it can't route directly across a
> park that is just grass.
> In the following example, I've mapped:
> - the short grass track (eastern side) that council are likely
> inadvertently making each time they bring vehicles through the gate to mow
> the park (the rest of the park boundary has timber bollards),
> - trails that lead from the Greater Glider Conservation Area out into the
> park, the small bit of the "Trail Circuit" in the park isn't actually a
> well defined path it just opens up but it isn't grass and the amount of
> trees keep it path like
> - other well formed paths that lead out to roads
> https://www.openstreetmap.org/directions?engine=graphhopper_foot&route=-27.54259%2C153.22173%3B-27.54227%2C153.21904#map=18/-27.54200/153.22056
> The OSM Wiki states:
> > Ways (highway=path or highway=footway) leading into a park from a road,
> should always be connected to the road for routing purposes. It's debatable
> whether they should connect to the park area with a shared node, or cross
> over the polygon without connecting. TODO discuss
> > (https://wiki.openstreetmap.org/wiki/Tag:leisure=park)
> If a park is just a big grass area (with maybe a few obstacles like a
> playground) then it feels like the responsibility of the routing engine to
> just do this (maybe with an access tag to say it is okay to do so). It
> feels wrong for us mappers to map a "grass" path through the park from each
> entrance that we feel is a main thoroughfare.
> Am I missing something, have others "fixed" this problem elsewhere?
> Jono
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