[Radiance-general] Perfectly Diffuse Surface?

[Roland Fleming]

Use Plastic, just set the last two parameters to 0.  For example:

void plastic white_diffuse
0
0
5 1 1 1 0 0

is an ideal white Lambertian material.

-- Roland


On 8 Jul 2009, at 17:44, schwaj3 at rpi.edu wrote:

> Hello, I'm an undergraduate student who is new to Radiance. I would  
> like
> to know how to set up a perfectly diffuse surface material. Plastic
> seemed like it would be the right choice, but I learned that
> " If the surface roughness (a5 ) is zero or the specularity (rs ) is
> greater than the threshold (t s ) then a ray is traced in or near the
> mirror direction. "
>
> Could anyone show me an example material which is perfectly diffuse?
>
>
>
>
>
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