Le 18-07-28 à 10:23, Mike Horvath a écrit :
> On 7/28/2018 9:53 AM, Jim Holsenback wrote:
>> On 07/28/2018 09:48 AM, Mike Horvath wrote:
>>> I am trying to do the same, but am having trouble toning down the 
>>> reflections. I can barely see through the glass, and the finish is 
>>> reflecting too much and too brightly.
>>>
>>> Mike
>> just a guess .. diffuse and / or reflection too high
> 
> Diffuse is 0. I can't judge properly how high reflection is.
> 
> 
> #declare F_Glass5 =
>    finish {
>      specular 0.7
>      roughness 0.001
>      ambient 0
>      diffuse 0
>      reflection {
>        0.2, 1.0
>        fresnel on
>      }
>      conserve_energy
>    }

If you reduce the ior, then, the reflection will also go down.

The minimum reflection is to high at 0.2.
Try :
reflection{0, 1 fresnel}
or simply
reflection{1 fresnel}

Try this interior :
interior{
  ior 1.5
  dispersion 1.05
  fade_colour Col_Ruby fade_distance 0.1 fade_power 1001
}

Col_Ruby is the same as Col_Glass_ruby but without the filter component.

With this pigment :
pigment{rgbt 1}

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