Re: [Tagging] country specific scheme - was: Feature Proposal - RFC - bicycle=use_cycleway
Thanks for this information. Openfietsmap contacted me to get more detailed
info. I'll send you an e-mail.
2013/11/15 Masi Master masi-mas...@gmx.de
Am 15.11.2013, 16:45 Uhr, schrieb Pee Wee piewi...@gmail.com:
2013/11/14 Martin Koppenhoefer dieterdre...@gmail.com
2013/11/14 Ronnie Soak chaoschaos0...@googlemail.com
For the access tags (and we do discuss access tags here), it is common
practice to have country-specific defaults on certain highway types as
listed in the wiki [1] and only tag what contradicts those defaults.
I'm not sure any of the current routers uses these country specific
defaults. My guess is that normal roads will always be allowed for
everybody except specified explicitly differently, and motorways and
roads
with motorroad=yes will exclude certain slow vehicles. Cycleways will
allow
cycling and footways walking and usually not cycling. If some country
specific defaults are different and nothing is tagged, it probably won't
work. Usually mappers do add default properties explicitly on roads and
ways, and the more mature a region is mapped, the more of those
attributes
you'd usually find.
cheers,
Martin
I think many mappers are very happy with these country specific access
rules. This will prevent an overload of tags on roads. There is only one
router I know personnaly and that is the creator of the Openfietsmap
http://www.openfietsmap.nl/homeGarmin map. His map (lite version) is
also worldwide
http://garmin.openstreetmap.nl/available.
He uses this country specific scheme.
Part of his script is here. I think it makes clear that trunk roads are
not
accessabel for bicycles in some countries regardless of any bicycle=no
tag.
highway=trunk mkgmap:country ~
'(NLD|BEL|LUX|FRA|DEU|AUT|CHE|
DNK|HUN|ROU)' { set highway=motorway }
highway=trunk bicycle=no { set highway=motorway }
highway=trunk { set highway=primary }
In Germany trunk generally is able to cycle.
In Germany we tag car-roads/fast-roads with motorroad=yes, this could
be trunk and primary (and perhaps secondary too?). This roads are forbidden
(implicit) for bicycles and foot.
Think the added 2 (and changed 4th) lines are better:
motorroad=yes mkgmap:country ~
'(DEU)' { set highway=motorway } //think for CH and AT the same
highway=trunk mkgmap:country ~
'(NLD|BEL|LUX|FRA|AUT|CHE|
DNK|HUN|ROU)' { set highway=motorway }
highway=trunk bicycle=no { set highway=motorway }
highway=trunk { set highway=primary }
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Re: [Tagging] Feature Proposal - RFC - bicycle=use_cycleway
when access=destination already exists for exactly this situation. Besides the other arguments about other users already mentioned, the value 'destination' would not work in practice either. For all we know, routing algorithms currently used don't work like a human brain, but they handle destination limits differently. When the algorithms go through the routing graph, they notice the relevant tag with the value 'destination', and thereafter refuse to consider any segment that does _not_ have the value 'destination'. Once you enter a destination only zone, you must find the destination before you leave, otherwise you would be going through. (Also, if the route started in a segment with the value 'destination', this only starts when it first gets to an edge where there is no longer a relevant tag with the value ''destination'). The bicycle=destination tags could not be flood filled to nearby roads without a parallel cycleway (there's no cyclist no through traffic on them). Likewise, if the tag is not flooded, there is in most cases a long detour to get to said tag flooded road without going through the original edge which would have been suggested to be tagged with bicycle=destination; then one would get a long detour route, because it avoids the bicycle=destination bit (even with a better-than-common-practice handling of the value 'destination'). -- Alv ___ Tagging mailing list Tagging@openstreetmap.org https://lists.openstreetmap.org/listinfo/tagging
[Tagging] Feature Proposal - RFC - landuse=highway
To identify an area of land on which a highway together with any associated footways and verges are constructed up to a boundary or barrier separating this land from private property. - http://wiki.openstreetmap.org/wiki/Proposed_features/highway It was proposed in 2009 and then proposal died without any obvious reason (link to previously started discussion: https://lists.openstreetmap.org/pipermail/tagging/2009-October/03.html ). ___ Tagging mailing list Tagging@openstreetmap.org https://lists.openstreetmap.org/listinfo/tagging
