[Radiance-general] material trans and glass?

[Thomas Bleicher]

Gunter.

Some heavy reading on the materials can be found hear:

http://radsite.lbl.gov/radiance/refer/materials.pdf

Hope you kept your math skills ...

Regards,
Thomas


On Thu, Dec 17, 2009 at 10:12 AM, Pueltz, Gunter
<Gunter.Pueltz at muellerbbm.de> wrote:
> Hi Andy,
>
> I followed your link and studied the description of the material GLASS in
> the rayfront manual (see below).
> I found, that GLASS is a special form of dielectric for modelling a thin
> glas pane without internal reflections within the glas pane itself.
> GLASS produces one ray, which is transmitted, and a second ray, which is
> reflected - so far, so good.
>
> Now my question: I am looking for a diagram or an equation of GLASS, which
> shows the angle-dependancies.
> It is well known, that with more normal incidence transmission of rays is
> increasing and reflection is decreasing;
> with more sloped incidence angle transmission of rays decreases and
> refelctions increases ....
>
> Where can I find a documentation about this angle dependancies of the
> material GLASS ?
>
> -Gunter