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Problems with sun and Glass in V2.2.12

Posted: Wed Mar 10, 2010 1:24 am
by Frank Schroer
Hello,

i have a Problem with Version 2.2.12 and Cindigo 2.2 Stable

I habe a sun, (Infinite source) and a Glass-Material (Ghost-Glass from Download)

On the Glass are white points, This Points are not rendert in Version 2.2.1, he comes with the new Sun-Def
in the new Version. The points lie on the light layer of the sun. Layer of --away points...
U can see the points at the Picture--- what can i do?

Rendertime: 18 h at 4x E7 Cip, 6 GB Ram

Thx,
Frank

Re: Problems with sun and Glass in V2.2.12

Posted: Wed Mar 10, 2010 1:48 am
by zeitmeister
Strange.
In which units did you model your scene, and what is your scene scale in the exporter settings?
And in which render mode did you compute this? Path-Tracing, Path-Tracing Bi-Directional, MLT or MLT Bi-Directional?

Re: Problems with sun and Glass in V2.2.12

Posted: Wed Mar 10, 2010 1:50 am
by Zom-B
the ghost Glass from the MatDB needs Single sided mesh... normals facing to the cam, is this given here?
Do you render in PT mode? Try MLT+BiDir... should render just fine!

In this scenario I would use "normal" glass (with thickness), should render fine here :)

Re: Problems with sun and Glass in V2.2.12

Posted: Tue Mar 23, 2010 2:21 am
by Frank Schroer
Hello
Thank you for your responses. It is up to the Render Mode
The Render-Mode MLT has no more white spots.

Thank you very much