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Bob Hughes <per### [at] aol com?subject=PoV-News:> wrote ...
> #declare HFt=
> texture {pigment {rgbft <.5,.7,.9,.85,.15>}
> finish {reflection .2 refraction on ior 1.33}
> }
> #declare HEt=
> texture {pigment {rgbf <.9,.975,.925,1>}
> finish {reflection .1 refraction on ior 1.5}
> }
As you know, the old style IOR cannot be used with POV 3.1 (and thus with
MegaPov). Even if you could use it, it would not look correct, especially
when the glass was viewed from any angle other than perfect horizontal. You
pretty much have to create one object for the glass and one object for the
liquid inside. Then you can animate the liquid object to make the level of
the liquid decrease or increase over time.
-Nathan
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