Le 2019-11-17 à 07:32, Bob Frew a écrit :
> Just for fun.
> 
> (thanks to Rune Johansen for the fire)
>          .. Bob
> 
> 
> Should the laser beam be narrower ??

Narrower and brighter.

Or, same size, but with a very high density in the axis, a sharp drop 
then fading to zero at the edge.

Try this :
cylindrical{colour_map{[0 rgb 0][0.97 rgb 1][0.97 rgb 20][1 rgb 100]}}

You'll need to rotate and translate so that the pattern match that laser 
path.




Alain

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