[Radiance-general] trans mat

[Georg Mischler]

Axel Jacobs wrote:

> Dear all,
>
> I am trying to nail this one down, once and for all.
> What is your experience/approach? Feedback welcome.
>
> refman:
> "The transmissivity is the fraction of penetrating light that travels all
> the way through the material.
> The transmitted specular component is the fraction of transmitted light
> that is not diffusely scattered.
> Transmitted and diffusely reflected light is modified by the material color.
> Translucent objects are infinitely thin."
>
> BIG QUESTION:
> How do CAPITAL indeces (RADIANCE) relate to
> lower case indices (PHYSICS)??? See below. Also for a lot more little
> questions...


  http://www.schorsch.com/rayfront/manual/transdef.html

Scroll down a bit for the diagram.


-schorsch

-- 
Georg Mischler  --  simulations developer  --  schorsch at schorsch com
+schorsch.com+  --  lighting design tools  --  http://www.schorsch.com/