On Jan 31, 2008 10:57 AM, Jon Stockill wrote:
> Norman Vine wrote:
> > Melchior FRANZ writes:
> >> ... and a short article about it: http://www.linux.com/feature/125258
> >
> > Just amazing what those gremlins at telascience come up with :-)
>
> Curt needs to get busy with the UAV - not sure how long it'd take to
> collect data for our entire default scenery area though ;-)
This is really intriguing ... around the MN areas I checked, the imagery is
at least as good as google's. Certainly there's many areas where the
imagery isn't has good, but there is a lot of good stuff there.
It sure would be interesting to develop a variant of our existing scenery
system that uses this imagery as the scenery textures rather than our
default repeating textures. It also might be interesting to do a second
scenery subsystem based on an entirely different approach with dynamic LOD
terrain models and textures that would handle views from ground level up to
outer space ... seamlessly.
Let me also point out that a photo real approach is not the answer to
everything ... for a lot of reasons that become apparent when you actually
try it ... extremely blurry textures in many areas, certain things cooked
into the textures like aircraft at an airport. How do you distinguish water
areas versus land areas for gear handling? How do we place random objects
like trees that are appropriate for the surface underneath ... especially
when our land use/land cover database is very inaccurate relative to real
imagery.
It would actually be nice to support our current approach and a photo-real
approach since both have significant advantages and disadvantages ... and
perhaps over time we could blend some of the best features of both?
Regards,
Curt.
--
Curtis Olson: http://baron.flightgear.org/~curt/
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