Re: Curved Earth Simulation

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Rémi Arnaud (remi++at++remi)
Mon, 8 Dec 1997 17:30:57 -0800 (PST)

GARY ADAIR wrote:
>
> Subject: Time: 2:17 PM
> Curved Earth Simulation Date: 12/8/97
>
> Performers:
>
> We would like create a vis sim with radars, aircraft, and missiles. We will
> use pfEarthSky.
> On the surface of the ground of the pfEarthSky, we would like to draw lines
> in X and Y representing discrete ranges from the radar.
>
> We need to incorporate the curved earth surface model when laying down these
> lines in X and Y. Does pfEarthSky produce a flat earth or curved earth ground
> plane?

 Flat.

>
> If pfEarthSky is flat earth, how does one go about using a curved earth model
> with pfEarthSky? Eventually, we will have DMA terrain on the ground surface
> but for now there is none. When we do put on DMA terrain we will want it to
> follow the curved earth.

 You will have to do your own earth sky model.

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