Matt Amos wrote:
On 10/24/09, Martin Koppenhoefer dieterdre...@gmail.com wrote:
2009/10/21 rhn opstmaac@porcupinefactory.org:
I'm a mapper for more than a year, and I know a little bit about
intellectual property, but some questions have been puzzling me for quite
some time.
First of them - how much is allowed when referring to proprietary maps? Is
it right to look at the street names to see whether I got them right? Or
can I compare topology of the streets with the external map? See if I got
the village placement right and adjust it?
IMHO (IANAL) you can always compare your map to others, but if the
don't match, you will not know, who's right, unless you recontroll.
i'd agree - it's OK to compare OSM to proprietary maps and use that to
figure out where needs surveying. but it's not OK to take information
from that proprietary map - if there is a difference then you'll have
to go out and survey the difference.
so (imho) it wouldn't be OK to adjust village placement based on
proprietary maps; if there's a difference you'd have to look at other
allowable sources like Y! aerial imagery or out-of-copyright maps, or
go out and survey it with a GPS.
cheers,
matt
Thanks. The reason I asked that was that I frequently forget where the GPS
trace was taken - was it a road or a track, which village or whatever else.
This usually happens in areas where OSM map is pitch white :) Yahoo maps aren't
very helpful there either.
Cheers
rhn
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