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Yep, does look strange at the liquid/solid barrier (fancy terminology
for whiskey meets glass), since you've stared plenty enough at such
objects you must know what you're talking about.
No one else commented on the darkness of the shadowed liquid. I would
expect to see the golden color on the table surface beyond just the
photon mapped part. No?
Margus Ramst wrote:
>
> OK, you've already seen caustics with blobs, trees, birds... But have you
> seen the caustics of a fine glass of liquor...? You have? Well, have some
> more!
> This damn thing took 30 minutes to parse and 17 hours to trace on my
> PII416/64MB - mainly because reflections, but also because I turned on
> reflected caustics on the glass (you _can_ see them, can't you?). Also, AA
> had to be set to 0.1
> For my next feat, I'll add some ice cubes (with media interior, reflections
> and caustics), add reflections/reflected caustics to the whiskey and remove
> "ignore_photons" from the glass. Then I'll take a nice 3-year vacation in
> Burundi and hope to see it ready when I get back...
>
> The glass itself is simple CSG, needs some work. I feel there is something
> wrong with the refractions (at least upper part, where top of the wiskey
> meets the glass).
>
> It used 481,317 photons (overkill?), density .015, radius .15,2,.15. Whiskey
> had refraction on, the glass had refrection & reflection on and
> ignore_photons set.
> I can only hope that the bright splotches are caustics from the
> ornamentation on the glass.
>
> Margus
>
> [Image]
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