On Thu, 2010-12-09 at 23:34 +1100, Steve Bennett wrote: > Excellent. Finally a rational argument against tracing in certain > situations. We could even begin to formulate policy: > > "Tracing imagery in areas where there are active local mappers using > ground survey methods can kill enthusiasm and stunt the final quality > of the map. Consider asking on the appropriate mailing list before > doing it, particularly in densely populated areas." > > OTOH, I have to say that almost everywhere is going to end up mapped > at the first level (what can be easily seen from the air), and it will > be an interesting challenge to motivate people to fill in those > secondary and tertiary layers of detail.
actually I find myself doing it the other way around - first map on the ground and then use the air view (if any) to fill in things. [...] > > To be honest, this conflict never even occurred to me before. I don't > know whether it's particularly relevant to me though - Australia has > an enormous land/mapper ratio. And I can't imagine getting any grief > from some poor sod who was just desperate to get out on his bike and > locally survey yet another bloody new outer Melbourne housing > development. maybe in Australia yahoo updates it's imagery more often than once in 2-3 years. So you would see a marsh and map it as such - and maybe the said poor local sod may not even get on his bike to go there as who wants to map a marsh? -- regards Kenneth Gonsalves _______________________________________________ talk mailing list talk@openstreetmap.org http://lists.openstreetmap.org/listinfo/talk
