On 19 August 2012 18:23, Tobias Knerr <[email protected]> wrote: > On 19.08.2012 15:09, Markus Lindholm wrote: >> On 19 August 2012 14:49, Fabrizio Carrai <[email protected]> wrote: >>> This could be a solution but it is against the reality: this kind of road >>> are indeed a single entity. The "legal" division, i.e. the "solid_line" is >>> just an attribute. >> >> There's a multitude of cases where a single entity is represented by >> multiple objects in the database, e.g. when the road changes speed >> limit it has to be split into two highway objects. The same with bus >> routes, to accommodate then the road was to be split into many parts. > > A major difference is that it is comparatively easy to re-assemble a way > that has been split (because they have common nodes). > > It's not so easy with two parallel ways that somehow "belong together" - > the connection could only be established by rather complex heuristics > based on proximity among other things. In practice, it would simply > result in gaps or overlaps appearing randomly depending how "parallel" > the mapper has actually drawn the ways, and on the width assumed (or > tagged) for the ways.
For which purpose would the two highways be "reassembled"? /Markus _______________________________________________ Tagging mailing list [email protected] http://lists.openstreetmap.org/listinfo/tagging
