On Mon, May 18, 2009 at 9:29 AM, Peter Miller <[email protected]> wrote: > > On 18 May 2009, at 01:38, Matt Amos wrote: > >> On Sun, May 17, 2009 at 11:32 PM, MP <[email protected]> wrote: >>>> >>>> http://en.wikipedia.org/wiki/TopSat >>>> http://www.qinetiq.com/home/defence/defence_solutions/space/topsat.html >>>> >>>> Apparently you can rent it for £25k a week... easily within the >>>> ambition of >>>> donate.openstreetmap.org. >>> >>> How large part of earth could be imaged in that timeframe? >>> Topsat have 2.5m resolution, which is quite fine for most areas, >>> though less than aerial imagery ... >> >> 2.5m sounds about the same as Y!, so its even enough for rudimentary >> building mapping. but thats the black-and-white figure, the colour >> resolution is about 5m. :-) >> >> out of interest, is there a link to the £25k figure? i couldn't find >> any pricing information on the net anywhere... > > Sound great, but in the mean time we can of course buy commercial > photography including the right to derive mapping at a cost of about $17 per > sq km which is affordable for compact European cities but not for large > rain-forests! The Gaza strip cost £4,500
didn't you have to restrict that to a small number of signed-up mappers though? i would have thought that, hiring topsat rather than licensing the imagery, we wouldn't have to restrict imagery use to a small group of people. > and photography for the Birmingham > conurbation would be about £5,000. A small UK town would be <£5000. The West > Midlands are looking for sponsors at present. > http://wiki.openstreetmap.org/wiki/Aerial_photography_funding_appeals but, again, sounds from that wiki page like it would be restricted to a few users, rather than truly open. cheers, matt _______________________________________________ talk mailing list [email protected] http://lists.openstreetmap.org/listinfo/talk
