Blake Eggemeyer <i.l### [at] gmailcom> wrote:
> I am attempting to create a pane of glass that refracts light as though it were
> a prism.

> Consider this attempt that didn't work.

> object{
>   box{<10,1/2,10>, -<10,1/2,10> }
>   texture{T_Glass3}
>   interior{ ior 1.5 dispersion 2.4 dispersion_samples 150  caustics 0.4 }
>   normal{function{0.1*z}}
>   photons{target refraction on reflection on}
> }

> I have tried many different settings and the problem seems to be in the normal
> statement.

> I want the stars on the other side of the glass to be dispersed along the z
> direction similar to this attempt http://goo.gl/i2gfS

> This is the closest I have gotten, using bumps in the normal statement
> http://goo.gl/OfEIq

> I want the faces of the pane of glass to behave as if they are pointed in a
> specific direction.... how do i do this?

Is there a reason you don't make an actual prism-shaped object?

-- 
                                                          - Warp

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