Hi Erez,
> We also have a 3D tactical display which is an
> expansion of what you called Terrain-aided navigation.
Ah... this Terrain-aided navigation (TAN) is just
another method of positioning, just like GPS or standard
NAVs (like VOR, NDB etc.).
The method is simple; the aircraft samples the height of the
ground below, and tries to correlate this measurment with a pre-sampled
heightmap. When combined with other equipment, it can be useful.
> It's a 3D map
> overplayed by tactical information like routs,
> avoidance zones, ILS cones, TCAS display etc.
Sounds like fun (but not exactly TAN as
presented in my project).
> As for DTED data, I suppose that u need a model of our
> homeland, and that you need to run it in FlightGear.
In fact, I have no constraints to Israel's heightmap,
but it could be nice to fly over BGU ;)
> I didn't find a FREE Level 1 data yet.
me neither...
> There is a Level 1 data from the Ofeck company but
> they want money for that data. I have some of that
> data at work but since it's propriety data I can't
> just give it 2 you.
Hm... maybe we have something in the university. I'll ask
in the department of Geography. I'm not sure they're willing
to contribute data outside the campus, but it worth trying.
FlightGear could benefit from another terrain area.
> I'm trying to compile FlightGear scenery from that
> data but didn't succeed yet. Currentlly stuck on
> TerraGear compilation issues.
Behatzlacha :)
("good luck" in hebrew).
All the best,
Elady.
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