On Mon, 15 Dec 2008, Ian Sergeant wrote: > The primary questions here is: > > <Should a suburban roundabout be mapped as a node or as a loop?> > > My position is a node for three reasons.. or something like a josm plugin which would turn a node into a little way with 4 nodes, on demand?
> > + When you cross this kind of roundabout when cycling, or with a learner > driver, you don't have to worry about the characteristics of the road you > are crossing (since you never turn into the traffic of the cross road, you > just cross the roundabout). This isn't just about cyclists and learners. > Its about the nature of the intersection. a roundabout has different road rules and you certainly don't cross the roundabout unless you are driving a big truck with flashing red and blue lights > > + It represents what is on the ground accurately. Often there is less of > an actual diversion than many other traffic calming devices, which are not > mapped. To draw it as a deviation in the road, just isn't what is there. A deviation is part of the design philosophy of a roundabout > > + These have a very standardised appearance, and should be represented in a > standardised way, like a template. The benefit isn't just in time-saving, > but in identifying that all these roundabouts are very much the same. a plugin? > > Once this is decided there are other questions to answer... > > <Is it reasonable to overload (reuse) a tag (mini-roundabout) originally > designed to represent something else overseas, that doesn't exist in > Australia?> > > <How to define this kind of roundabout?> > > <If we need a new tag, what should that tag be?> > > Many of the points in this argument aren't being made against having some > types of roundabouts mapped as a node, but rather are arguments against > overloading tags that mean something else outside of Australia. > > Other arguments are saying that the current definition is poor. > > I can agree with these arguments, to a certain extent. (Although I think > people arguing against overloading tags have a bigger campaign on their > hands than just mini-roundabouts.) However, before we can get to them, we > need to decide if this kind of roundabout is best represented by a node, or > a loop. Then progress to what, if anything, the tag should be. > > Ian. > > > _______________________________________________ > 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
