POV-Ray : Newsgroups : povray.binaries.images : Spherical displacement map : Re: Spherical displacement map Server Time: 26 Sep 2020 15:50:50 GMT
  Re: Spherical displacement map  
From: Le Forgeron
Date: 21 Jul 2020 06:31:24
Le 21/07/2020 à 03:20, Bald Eagle a écrit :
> "Bald Eagle" <cre### [at] netscapenet> wrote:
> I have a hole at the South pole, ...
> 
> Here's a view of the Antarctic hole:
> 
> [which sounds highly inappropriate, I know, but...]
> 

acos( min( y / length, 1) ) : the clipping is done for the north pole,
but not the south pole (-1)

what about "acos(max(min(y/length, 1),-1)) ?


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