Thomas Förster wrote:
> Am Donnerstag 18 Januar 2007 20:02 schrieb Curtis Olson:
>> On 1/18/07, Franck Marchand wrote:
>>> Hello
>>>
>>> I am using Flightgear in order to visualize UAV simulation. And I was
>>> expecting if somebody has already work on a "underwater" version of
>>> flightgear (for UUV simulation)?
>>> Moreover is it possible to modify flightgear in order to dive under
>>> altitude "0" and not stop object at this altitude?
>>>
>>> Thank you very much for your answers!
>> It would not be hard to disable the ground height check or hardwire it to
>> something below sea level.  What might be more interesting would be to
>> develop a scenery database using underwater terrain data in conjunction
>> with the above ground terrain, and then put something similar to a cloud
>> layer (but with a water texture) at sea level.  
> 
> Hmm, thinking about viscosity, etc. I suppose a simple cloud layer won't 
> suffice. Second question is, how would the carrier react? I think Navy will 
> not be amused, sinking one of their big iron... ;-)
> 
> Anyway, it's a nice extension idea.

There appear to be a few free hydrographic data sets too - not although 
I don't know enough about them to say which would be a best fit with 
SRTM. I do like the idea of tides though. (Moving bits of scenery always 
seem much more interesting).

-- 
Jon Stockill
[EMAIL PROTECTED]

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