"Warp" <war### [at] tagpovrayorg> wrote in message 
news:44014e05@news.povray.org...
> Patrick Elliott <sha### [at] hotmailcom> wrote:
>> Now... A Spline Path could work though, maybe?
>
>  And sampling along a spline (iow. splitting the spline into very small
> parts and making a whole ray-scene intersection test for each small part)
> is exactly what would make it prohibitively slow.
>  Would it really be worth the effort?
>
>  Radiosity requires lots of sampling, but the results can be spectacular.
> Media also requires lots of sampling, but the results can also be quite
> spectacular. Variable IOR would probably require even more sampling, yet
> I highly doubt the end result will look any spectacular.
>
> -- 
>                                                          - Warp

Heat haze, bullet trails and sunsets can all be quite spectacular. I tried 
doing a planetary scene coming in from outer space and landing on the 
planet. I got double sun mirages at stages, maybe variable ior could have 
fixed it?

-- 
-Nekar Xenos-
----------------------------------------
"The truth is out there..."

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