On Wed, Jul 28, 2010 at 9:11 AM, McGuire, Matthew <matt.mcgu...@metc.state.mn.us> wrote: > Tag for truth! > > Not to speak for Ian, but what I took that to mean was that tags should be > based on observation, not based on how a feature should be represented on a > map.
There's no observation that will tell you whether a road is primary or secondary. > > Tagging incorrectly is not good. And tagging correctly is good. Tagging for > the renderer is not correct. Tagging railway=rail for a pair of rails rather than mapping each rail separately and using rail=steel is tagging for the renderer. It's also tagging correctly, as would be the rail=steel method. > All other maps that I have ever seen - including all I have made - have this > crude quality. Sensor derived geographic material such as satellite and > aerial imagery does not have this quality when viewed at appropriate scales. > OSM can transcend the crudeness of vector maps and the scale limitations of > sensor derived data if mappers act as agents on one feature at a time. What you mean is that it can transcend usefulness and become a sea of unclassified roads. Gotcha. _______________________________________________ Talk-us mailing list Talk-us@openstreetmap.org http://lists.openstreetmap.org/listinfo/talk-us
