Thanks to Blue Herring an Simon. I'll look into those.


John VanSickle <evi### [at] hotmailcom> wrote:
*snip
> cylinder {
>    StartPoint,EndPoint,Radius hollow
>    texture {
>      pigment { rgbt 1 }
>    }
>    interior {
>      media { emission LaserBrightness absorption LaserBrightness }
>    }
> }
>


Thanks for the reply John, but this is not what I had in mind. I actually want a
real "light_source" to act as a laser as I want to have some realistic
refraction/reflection or dispersion effects.

But if I use a basic cylinder, then it's not meaningful if let's say I redirect
it to a lens. It won't have the same effect as a real light beam

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