On Thu, 2010-12-09 at 03:16 +0100, Ulf Lamping wrote: > > > http://www.openstreetmap.org/?lat=13.03175&lon=77.56565&zoom=17&layers=M > > > > before the conference I did a rough sketch from satellite imagery. > On > > arrival at the spot I found that the ground reality was totally at > > variance with the satellite imagery - and I got lost! > > Seems the imagery got outdated.
it did not 'get' outdated - imagery for most of India is 2-3 years old. > > If someone had perfectly mapped that area a few years ago and it got > completely outdated in the meantime - you would get into the exact > same > problem. Taking your opinion further would mean we shouldn't map > anything at all because the map data might get outdated. how do you come to that conclusion? if you are local, you will map the changes - if you are using a satellite, you only *see* the changes once in 2-3 years > > What your example really tells us is that you shouldn't "repair" > existing OSM data from (probably outdated) imagery without local > knowledge. repair or map > > > what I object to is mapping a place one has no intention of visiting > > Fine, seems you don't like the wiki principle ... never heard of the wiki principle - if this implies that since everyone has edit writes, anyone can write rubbish - then I don't like it. -- regards Kenneth Gonsalves _______________________________________________ talk mailing list talk@openstreetmap.org http://lists.openstreetmap.org/listinfo/talk
