It is a little old, but it never hurts to refresh the memory... :-)
TanDEM-X is the data to look for in the near future. This mission when complete
will have created a worldwide DEM that conforms to DTED level 3, providing a
DEM
with about a 12 metre point spacing, and vertical accuracy of better than 2
metres. Preliminary 3D images rendered from the data that has already been
collected look simply stunning.
I'd love to be the guinea pig to experiment with high-res terrain in fgfs,
although I'm not a programmer. I'll have a high-end hex core PC soon, which I'm
sure could be put to good use testing modified terragear to create high-res
terrain...
Regards,
Chris Wilkinson, YBBN/BNE.
________________________________
From: Esa Koivuniemi <esa.koivuni...@gmail.com>
To: FlightGear developers discussions <flightgear-devel@lists.sourceforge.net>
Sent: Wed, 24 November, 2010 9:41:09 AM
Subject: Re: [Flightgear-devel] Waterfalls
Hi guys/gals
Talking about high res DEM, have you guys noticed there is new 30 m (= 1 arc
sec, I guess) world wide Aster DEM dataset available?
http://geology.com/nasa/world-topographic-map/
If this is old news, please don't beat me up :)
-esa-
On Tue, Nov 23, 2010 at 10:55 PM, Martin Spott <martin.sp...@mgras.net> wrote:
Chris Wilkinson wrote:
>
>> Frederic Bouvier wrote:
>> > ----- "Martin Spott" a écrit :
>> >> "J. Holden" wrote:
>>
>> >> > There is no land cover layer for waterfalls.
>> >>
>> >> .... which doesn't mean that such thing can't be introduced ;-)
>> >> Typically this requires someone to create a suitable texture, the
>> >> rest is just admin stuff.
>> >
>> > and a particle system ;-)
>
>> ...and high res DEM data to build the terrain with [...]
>
>.... plus a modified "TerraGear" which is capable of processing this
>high-res DEM data - if you volunteer for improving TerraGear, I'll
>bring the DEM data for the waterfall :-)
>
>> [...] - I've tried to fly up the
>
>> valley that Purlingbrook fall (lovely 109m cascade that you can walk behind)
>in
>> the Gold Coast hinterland falls into - I have to rely on knowing the lat /
lon
>> of the fall and valley to know I'm in it, relying on VFR would be impossible.
>
>That's life,
>
>
> Martin.
>--
> Unix _IS_ user friendly - it's just selective about who its friends are !
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