POV-Ray : Newsgroups : povray.newusers : Transparent Objects Become Black : Re: Transparent Objects Become Black Server Time
9 Dec 2021 08:50:30 EST (-0500)
  Re: Transparent Objects Become Black  
From: m@b
Date: 22 Nov 2021 19:52:48
Message: <619c3b60$1@news.povray.org>
On 23/11/2021 3:45 am, Kenneth wrote:
> "m@b" <sai### [at] googlemailcom> wrote:
>>
>> In this animation I cycle the ior of a glass sphere from 1.6 to zero and
>> back:
>>
>> <https://youtu.be/gUzp0Bc6u1I>
>>
> 
> Nicely done!
> 
> Are you sure that your sphere's ior goes to exactly 0.0? I am not seeing the
> 'glitch' that I mentioned earlier, where ior 0.0 = ior 1.0. I suspect that your
> animation code gets the ior *very close* to zero, but then cycles back.
> 
> 
> 
> 
Yes - well spotted it goes down to 0.001 :-)


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