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From: Mark Vornhusen (mark_at_hidden_email_address.net)
Date: 05/01/2001



Hi Gerrit,
do you know the great program "Halo" by Les Cowley and Mike Schroeder? I make all my simulations with it. Download:

http://www.sundog.clara.co.uk/halo/halosim.htm

Best,
Mark

gbb schrieb:

>

> Hello,
> I am looking for a programm what can simulate refraction and reflection
> from a single lightbeam throug a pencil or column prism in all possible
> directions, like the figures in walter Tape's Atmospheric Halos. Of
> course the best would be together with the numerical datas about angles
> etc. I tried to make such a simulation with Studio Max, but I did not
> succeed in it. On internet I found some programms that gives the
> raypaths in one direction (cross-section of a prism); so the raypath is
> only to change in one direction.
> Thanking you in advance for help or advice.
> Gerrit Breman