Hm, mentioned this several times throughout the last
days to several people:
For refraction working properly when entering from one
medium to another (like from air into glass, from glass
into water etc) you objects to overlap, not leave a gap.


--
Tim Nikias
Homepage: http://www.digitaltwilight.de/no_lights/index.html
Email: Tim### [at] gmxde

> Thanks a lot for all of you,
>
> The problem is solved!
>
> In fact, it was really a problem with coincidence surfaces.
> my first tests were done with only about 5000 triangles, and with both
> version:
>
> - surface of wine is in contact with glass
> - surface of wine is offset by amout 0.1 mm
>
> The second test vino3.jpg with more triangles had still a surface of
> wine in contact with the glass.
> So I have now add a gap again between glass and wine and it gives very
> good results.
> I also play with some parameters in my CAD programs, so I only need
> about 8000 triangles.
>
> I only have a PII, and it takes always a lot of time to realise such
> rendering, it is a nightmare, specially in the test phase.
> I hope I will send you a nice picture in some weeks, in fact I wanted to
> render a broken glass, and to see some interesting caustics effects.
>
>
>
>
>

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