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Do you have the masses? The first almanac I looked at didn't have it.
Particularly interested in sun, earth, Jup.
GrimDude wrote:
> I just started playing with this last night. Following the Earth media, and
> Blue Mars threads from p.b.i I started to recreate the orbit animation I
> mentioned (also in p.b.i)and decided to try the stars post_process feature.
>
> I wanted realistic scales, so I did some research (some from memory).
>
> Earth diameter - 8,000 km
> Moon diameter - 2,180 km
> Sun diameter - 872,000 km
> distance to Moon - 400,000 km
> distance to Sun - 93,000,000 km
>
> This results in pov units (for my scene):
>
> Earth diameter - 1 pu
> Moon diam. -.27 pu
> Sun diam -218pu
>
> distance to Moon - 50.004 pu
> distance to Sun - 11,625.865 pu
>
> So, I used a glow for the sun with a radius of 1/2 S.D. in p.u. (109 pu).
> Obviously, the realistic scale caused a problem with usefulness given
> resolution restraints (for one), but worse yet the Stars post_process method
> overwrites the glow, as well as the dark side of the Earth (during eclipse
> from camera viewpoint). In other words, it draws over the glow and the Earth
> positions. Uncool!
>
> So, I am forced to go back to the sky_sphere non-aliased approach. :(
>
> Grim
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