[OSM-talk] Beach routing

Martin Koppenhoefer dieterdreist at gmail.com
Wed Sep 6 09:28:41 UTC 2017

2017-08-30 11:56 GMT+02:00 Richard <ricoz.osm at gmail.com>:

> On Tue, Aug 29, 2017 at 12:53:43PM +0100, Philip Barnes wrote:
> > This really needs routers to be able to route over areas, the same issue
> exists over large areas of grass such as found in parks or town squares.
> in many parts of the world such areas are actually "dont walk there",
> before routers start routing them they awould have to be tagged with
> access tags.

actually the chances are higher they will be augmented with access tags
_after_ routing engines suggest to use them.

> Also grass areas in the mountains can't be assumed to be walkable.

not sure, it might just be lack of detail if the router thinks you can walk
there but you can't because of obstacles?

Generally, you can't walk on grass areas in lower elevations either in many
instances (e.g. natural reserves often imply not leaving the ways, in
Germany you are explicitly entitled to enter the open landscape (regardless
of property) unless they are fenced or you would damage the crops
(including grass here as a crop), i.e. you can only legally walk on cut
meadows (= between autumn and early spring).

There are also other areas that will often be suitable to cross regardless
of explicit ways, e.g. car parks, sandy and other bare areas, forests (in
some cases), etc.

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