[josm-dev] Geometric calculations and projections
lists at julius-net.net
Thu Dec 17 14:26:53 GMT 2009
Paul Johnson <baloo at 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 one (i.e., angle preserving) like those in .
>>> 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
More information about the josm-dev