On 02/27/2016 10:37 AM, clipka wrote:
> Am 27.02.2016 um 13:54 schrieb ThH:
>
>> 3 different pics by changing 1 line of the original optics.pov...
>
> What really intrigues me, and what I would like to ask you to try and
> investigate, is why only /some/ of the light rays are affected; why
> don't /all/ the blue and /all/ the red rays end up blazingly white?
>
> There must be /some/ reason for this, and I reckon that it might lead to
> a useful clue.
>
Christoph,

I think it has something to do with the light type.

// <--- Fails 3.7.1-alpha.8454683 Ubuntu 14.04  (OK with 3.7.0-stable)
// light_source {<-150, 0.5, 0>, color rgb < 1.2, 1, 1.5>
//     spotlight radius 0.3 falloff 0.35 point_at < 0, 0.5, 0>
//     photons {refraction on reflection on}
// }
// <--- OK Ubuntu 14.04 3.7.0 & 3.7.1
    light_source {<-150, 0.5, 0>, color rgb < 1.2, 1, 1.5>
        photons {refraction on reflection on}
    }

Perhaps someone else can verify ?

I extended the blocking wall for the point light, but not strictly needed.

Bill P.

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