Thank you for useful details osm.tagg...@thorsten.engler.id.au, I didn't get things that way before
Then it's ok for access=no, I'll update my parser All the best *François Lacombe* fl dot infosreseaux At gmail dot com www.infos-reseaux.com @InfosReseaux <http://www.twitter.com/InfosReseaux> 2018-06-08 12:34 GMT+02:00 <osm.tagg...@thorsten.engler.id.au>: > To be a bit more specific about it: > > > > All access tags follow the pattern: > > > > transport mode = access value > > > > All the different transport modes form a tree, as can bee seen here: > https://wiki.openstreetmap.org/wiki/Key:access#Land-based_transportation > > > > “access” is the key used for the transport mode at the root of the tree. > > > > To find out the effective access value for a specific transport mode (a > leaf node in the tree of transport nodes) you start at that transport mode > and check if there is a tag defining an access value, if not, you go to the > parent in the transport mode tree and repeat the check, until you either > find a tag (which is then the effective access value) or you checked for > the “access” tag (the root of the tree) and didn’t find it. > > > > So if you tag something as e.g.: > > > > access=no > > psv=designated > > > > and you want to know the access value for e.g. a normal car, you check: > > > > motorcar -> not found > > motor_vehicle -> not found > > vehicle -> not found > > access=no > > > > your effective access value for motorcar is no. > > > > If instead you want to check for bus, you check: > > > > bus -> not found > > psv=designated > > > > your effective access value for bus is designated. > > > > If you would tag something (very wrongly) as > > > > access=designated > > > > that would mean that any check that reaches the root of the tree would > result in the access value of designated. Which makes the highway > designated for every possible type of transport. And anything that's > everything is nothing… > > > > *From:* Lionel Giard <lionel.gi...@gmail.com> > *Sent:* Friday, 8 June 2018 19:30 > *To:* Tag discussion, strategy and related tools < > tagging@openstreetmap.org> > *Subject:* Re: [Tagging] Access=no for bus lanes > > > > Yes the idea behind access=* is a general tag - it indicate for every > other transport types (except if another more specific tag is used) : so > access=private just say that for every type of transport it is a private > access, and if you add foot=yes, it became "private for everyone except > people on foot that can walk freely). There is a hierarchy as shown on the > wiki where a more specific access tag override restriction. > > > > 2018-06-08 11:25 GMT+02:00 marc marc <marc_marc_...@hotmail.com>: > > about "Bus-only roads" > > Le 08. 06. 18 à 11:00, François Lacombe a écrit : > > highway=unclassified + access=designated + bus=yes + cycle=yes > > access=no + bus=designated (+ cycle=yes and/or taxi in some country) > > _______________________________________________ > Tagging mailing list > Tagging@openstreetmap.org > https://lists.openstreetmap.org/listinfo/tagging > > > > _______________________________________________ > Tagging mailing list > Tagging@openstreetmap.org > https://lists.openstreetmap.org/listinfo/tagging > >
_______________________________________________ Tagging mailing list Tagging@openstreetmap.org https://lists.openstreetmap.org/listinfo/tagging
