No prob. I was trying to get a fractal-looking edge to thr continents.

BTW: you mean those 30 cm  globes from elementary school  with 2 mm mountain
range bumps on them are exaggerated!?!

John VanSickle wrote:

> #declare Pedantic=true;
>
> It is really not necessary to use a special shape to model an entire
> planet.  Earth's tallest mountain (Mt. Everest) is 8848 meters high; the
> radius of the Earth is about 6366 kilometers.  On an 800x600 image
> depicting the entire planet, situated such that Everest was on the very
> edge of the disk, the height of the mountain would be about
> 300*8848/6000000 = roughly .41 pixels.  Anti-aliasing will turn this
> into a bit of fuzz at the edge of the disk.
>
> To get the shadows of mountains, use a normal pattern in the texture.
>
> #declare Pedantic=false;
>
> Sorry, couldn't help myself.
>
> Regards,
> John

Post a reply to this message