[Radiance-general] artifact while rendering glass in tmesh solved?

[Iebele Abel]

Ok, thanks for checking the idea, I get along with the modified glass
source.

Cheers,
Iebele



2012/2/19 Greg Ward <gregoryjward at gmail.com>

> I just checked -- the BTRDfunc type has the same perturbation of
> transmitted rays.  The newer BSDF type does not, but it's very difficult to
> get a clear image through a data-driven model.
>
> -Greg
>
> > From: Iebele Abel <iabel at iebele.nl>
> > Date: February 19, 2012 6:25:07 AM PST
> >
> > Hi Greg,
> >
> > Changing the file rt/glass.c as you described below fixed the artifact.
> Again, thanks a lot for your help.
> >
> > But now suppose I would not have changed rt/glass.c Your remark that a
> texture applied to an infinitely thin layer of glass should perturb
> transmitted rays (and in effect an applied texture will smooth the
> triangulation) did me think of using a BRTD material instead of glass.
> Maybe it is a stupid thought, but would it be possible to model glass using
> BRTD in such way that the transmitted component remains unaffected while
> the reflected component is smoothed by a texture?
> >
> > My best,
> >
> > Iebele
>
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