Op 10/01/2021 om 05:13 schreef Mike Horvath:
> This tutorial assumes the planet radius is always 1. What do I need to 
> do if the radius is some other value? thanks.
> 
> 
> Mike
> 

The quick answer would be:
1) define a new radius for the planet; e.g. Radius = 100;
2)  multiply the rgb value in the media elements (scattering in the 
example) by 1/Radius; e.g. scattering {4, rgb <.4,.5,1>*5*(1/Radius) 
extinction .00005}
3) Scale your planet and atmosphere union; e.g. union{ sphere{...} 
sphere{...} scale 100}

-- 
Thomas

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