Enable routing over multipolygons (needed for pedestrian routing)

[species]

Currently, when a pedestrian area has their highway=tags set on the relation and not on the outer ways, routing is not even possible on the boundaries of the area.

Please enable a mechanism to 'copy' all relation tags to all member ways, so at least routing around the edges of multipolygon areas would be possible.

[danpat]

@species Patches welcome!

[emiltin]

see #482 for discussion on processing relations

[answerquest]

hello, any updates on this? I looked over the linked issue..
I marked a polygon which is accessible to pedestrians with highway=pedestrian and area=yes. That opened it up for routing, but the osrm router is sticking to the boundaries.

ref: https://www.openstreetmap.org/directions?engine=fossgis_osrm_foot&route=12.97990%2C80.24194%3B12.97861%2C80.24100#map=18/12.97913/80.24143

[systemed]

This is #64 and unlikely to be solved unless someone steps up and provides code, I suspect.

[ManDay]

I think this is more related to #482 (which is closed w/ fixed) than #64, routing through squares is not even asked for. Just that areas defined by multipolygon rels behave like their equivalent area counterparts.

OSRM does "agoraphobic" routing along the highway=pedestrian; area=yes area but not along the highway=pedestrian; area=yes relation (e.g.). Shouldn't this already be fixed as by closure of #482?

[github-actions]

This issue seems to be stale. It will be closed in 30 days if no further activity occurs.

[dreua]

I find it quite confusing that the routing along the edges works for regular areas but as soon as it is a multipolygon it is just not routeable at all. Using multipolygons to cut out a part of the area is nowadays quite common, for example if there is a small building (like a kiosk) or a large fountain on a pedestrian area or a steps leading to an underground tunnel on a railway platform (Mainz Hbf has this on an all platforms).