Jon Stockill wrote:
It doesn't seem to be displaying it that's the problem - it's getting
terragear to build it. Once you reach a certain polygon density things
start to break down, there's obviously a lot more polygons, but the
road polys just don't seem to show up, and there's a big increase in
the number of polygons that seem to have problems with their texture
coordinates. The resulting scenery was still just about usable on a
GeForce2 MX 400.
As an idea of the processing involved, as I'm sure you're aware by
default the terragear tile builder has a cpu limit of 120s set -
you're not going to get anything at all built with those limits using
this amount of data - it takes anything between 45 minutes and 75
minutes on a 1GHz Athlon with 768MB of RAM.
Jon,
I'd be interested in working with the Tiger data as well. Did you
create any code to parse/chop the data?
If I had a chance to work through the process I might be able to track
down some of these problems/issues.
Regards,
Curt.
--
Curtis Olson http://www.flightgear.org/~curt
HumanFIRST Program http://www.humanfirst.umn.edu/
FlightGear Project http://www.flightgear.org
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