"Warp" wrote:
>   AFAIK povray always remembers what is the current
> ior of the space the current ray is travelling.

But how is the ior of the current space defined?

If object A has ior 1.3 and object B ior 1.5 and a ray goes like this:

enter A
enter B
*
leave A
leave B

...then what is the ior in the space marked by * ?

Rune
--
3D images and anims, include files, tutorials and more:
Rune's World:    http://rsj.mobilixnet.dk (updated Jan 20)
POV-Ray Users:   http://rsj.mobilixnet.dk/povrayusers/
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