Paul Johnson <ba...@ursamundi.org> writes: > Tobias Wendorff wrote: > >> Matthew W. S. Bell schrieb: >>> I think the key point here that the projection used for geometry editing >>> should be a conformal[1] one (i.e., angle preserving) like those in [2]. >>> Possibly, the projection should have an even greater restriction. >> >> Conformal for what distance? It's easy to do some accurate calculations >> up to 1 km, but > 10 km or even > 100 is much more difficult, BUT: who >> draws such big rectangles and circels in OSM? > > Say you want to draw Whyoming...
This is actually a good example why we might want to use Mercator for calculating rectangles. Matthias _______________________________________________ josm-dev mailing list josm-dev@openstreetmap.org http://lists.openstreetmap.org/listinfo/josm-dev
