Hey Russell, At the node where the way changes traversibility, split the way into 2. Then tag each way with the appropriate tag.
Li. On 16/12/2012, at 11:00 PM, talk-au-requ...@openstreetmap.org wrote: > Send Talk-au mailing list submissions to > talk-au@openstreetmap.org > > To subscribe or unsubscribe via the World Wide Web, visit > http://lists.openstreetmap.org/listinfo/talk-au > or, via email, send a message with subject or body 'help' to > talk-au-requ...@openstreetmap.org > > You can reach the person managing the list at > talk-au-ow...@openstreetmap.org > > When replying, please edit your Subject line so it is more specific > than "Re: Contents of Talk-au digest..." > > > Today's Topics: > > 1. Re: Tagging dirt and 4x4 roads - new approach (Russell Edwards) > 2. Re: Tagging dirt and 4x4 roads - new approach (David Bannon) > > > ---------------------------------------------------------------------- > > Message: 1 > Date: Sun, 16 Dec 2012 17:50:05 +1100 > From: Russell Edwards <russ...@edwds.net> > To: "talk-au@openstreetmap.org" <talk-au@openstreetmap.org> > Subject: Re: [talk-au] Tagging dirt and 4x4 roads - new approach > Message-ID: <50cd6f1d.9030...@edwds.net> > Content-Type: text/plain; charset=ISO-8859-1; format=flowed > > Could I ask a newbie question on this topic? > > I want to update some roads that are 4wd-only in certain sections. > > Any "new approach" aside, what is the best way to do this -- a) what tag > do I use, and b) how do I handle the changing traversibility - separate > ways linked as a route, or... ? > > Thanks in advance > > Russell > > > > > ------------------------------ > > Message: 2 > Date: Sun, 16 Dec 2012 21:12:09 +1100 > From: David Bannon <dban...@internode.on.net> > To: Russell Edwards <russ...@edwds.net> > Cc: "talk-au@openstreetmap.org" <talk-au@openstreetmap.org> > Subject: Re: [talk-au] Tagging dirt and 4x4 roads - new approach > Message-ID: <1355652729.8562.26.camel@Davo-LT> > Content-Type: text/plain; charset="UTF-8" > > Hi Russell, maybe you have followed the conversation ? If so, you will > see that I think we do need a new approach but are unlikely to get it > 'approved' ? Oh well, won't be the first fight I have lost ! > > So, the fall back is really as now doc'ed on the Australian Tagging > Guidelines. > > Use 4wd_only if its a 4x4 road, officially the only option is 'yes' but > I recommend people also use 'recommended' in cases where its marginal. > And 'extreme' for the really wild cases. > > Note that your efforts will not appear distinctively on (eg) the main > slippery map on the OSM website. I have opened a ticket with the map > maintainers but no answer yet. Hmm... > > All roads should have highway=[track, unclassified, tertiary, etc] and > source=survey and surface=unpaved. I'd also consider using tracktype= > but note that it will only be rendered differently if highway=track. > And, to make it worse, the roughest (ie the most fun) track is > officially grade5. As defined, that might be OK in England, pretty silly > in Oz. If you use grade6, grade7 and grade8 the OSM maps will show the > track as a grade3, thats potentially dangerous but really the correct > thing to do. > > Sigh ..... > > The best way to handle changing conditions down the length of a road > (IMHO) is to break the road up into ways that have similar > characteristics and join them using merged nodes. That is, don't merge > the ways into one way. > > It does not make sense to have sections that cannot be accessed > externally if you see what I mean ? Any discrete section should be > labeled with the "worse case" bit. > > Hope this helps. And I hope you had a great time collecting that data ! > > David > > On Sun, 2012-12-16 at 17:50 +1100, Russell Edwards wrote: >> Could I ask a newbie question on this topic? >> >> I want to update some roads that are 4wd-only in certain sections. >> >> Any "new approach" aside, what is the best way to do this -- a) what tag >> do I use, and b) how do I handle the changing traversibility - separate >> ways linked as a route, or... ? >> >> Thanks in advance >> >> Russell >> >> >> _______________________________________________ >> Talk-au mailing list >> Talk-au@openstreetmap.org >> http://lists.openstreetmap.org/listinfo/talk-au > > > > > > ------------------------------ > > _______________________________________________ > Talk-au mailing list > Talk-au@openstreetmap.org > http://lists.openstreetmap.org/listinfo/talk-au > > > End of Talk-au Digest, Vol 66, Issue 16 > *************************************** _______________________________________________ Talk-au mailing list Talk-au@openstreetmap.org http://lists.openstreetmap.org/listinfo/talk-au
