> 1)What I must do to have a shadow create by the wine which have a red
> color (like filter do in pigment statement!)

Use filter in your object, but you've already done that (color rgbf <1.0,
1.0, 1.0, 1.0>), so that's not a problem

> 2) What's append if I write:  absorption rgbf <0.27, 1.0, 1.0,0.8>
> instead of  absorption rgb <0.27, 1.0, 1.0> (I have tried   and see
> nothing!)

Your problem is that the media is too dense.  Try starting with absorption
<0, 1, 1> and go from there.

-Mike

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