access=official is a proposal (and one that appears to be in abeyance) It's basically trying to create another access= value to try to sort out some of the mess with access=designated, but I fear it just adds further to the confusion.
Richard On Sat, Aug 15, 2009 at 11:02 PM, Roy Wallace <[email protected]> wrote: > On Sat, Aug 15, 2009 at 11:38 PM, Martin > Koppenhoefer<[email protected]> wrote: > > > >>> Bicycle=signed is IMHO not the best idea, because what do you do for > >>> official or designated _and_ signed ways? > >> > >> As I mentioned before, you would have to change the syntax to > >> something more like bicycle:designated=* and bicycle:official=*, > >> bicycle:signed=*, etc. Alternatively, change the tag definitions so > >> that the issue doesn't occur, or make one imply the other(s) - e.g. > >> signed implies official implies designated (we do already have > >> "'official' is stronger than 'designated'", so the latter is more or > >> less already true). > > > > doesn't this break the key-left-value-right-scheme? (Maybe not an > > issue as this is done for other tags as well). What would the values > > be? "yes" and "no"? Or could it be bicycle:official=signed? > > bicycle:official=permissive for the case of customary law? > > Well yes, bicycle should be on the right, and yes, values of "yes" and > "no". If you want bicycle on the right, I would propose using: > access:designated:vehicle=bicycle;yes/no, > access:official:vehicle=bicycle;yes/no, etc. This scheme would be > quite extensible (e.g. access:maxspeed:weather=wet;40). > > >>> Also I didn't get the difference of designated and official. Maybe you > >>> can explain? I thought it was intended for the same situation. > >> > >> Please see the wiki. > > > > actually for designated you don't get a stable consensus on the > > meaning, the page changes from time to time the meaning so the meaning > > might be different according to when the mapper last looked it up in > > the wiki. > > Yeah...contradiction within the wiki is something that needs to be fixed. > > >> Eventually I gathered that official is what you > >> think it means, whereas designated is more of a "recommendation" as in > >> "this way is designed for *". The wiki definition makes only vague > >> references to "signs", but then the examples all heavily reference > >> signage. This IMHO is confusing. > > > > this is due to the change in meaning. An older Version stated: "This > > tag indicates that a route has been specially designated (typically by > > a government) for use by a particular mode (or modes) of transport. > > The specific meaning varies according to jurisdiction. It may imply > > extra usage rights for the given mode of transport, or may be just a > > suggested route." > > > > "specially designated" I'd interpret stronger than "recommendation". > > Maybe, but not much: e.g. "may be just a suggested route". The fact > that 'official' was introduced implies that designated is less than > 'official', which I am not so sure reflects its usage. > > _______________________________________________ > talk mailing list > [email protected] > http://lists.openstreetmap.org/listinfo/talk >
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