[Radiance-general] trans

[Martin Moeck]

Example: 
rtrace -h -w -I -ab 2 -dr 2 -ds 2 octree < points.inp | rcalc ...
 
points.inp contains the location and direction of a sensor in front of and then behind the trans material for the calculation of total transmittance. 
 
Martin

________________________________

From: radiance-general-bounces at radiance-online.org on behalf of Greg Ward
Sent: Mon 1/2/2006 1:47 PM
To: Radiance general discussion
Subject: Re: [Radiance-general] trans



Hi Martin,

I'm not sure I understand your question.  Could you restate it more 
clearly?

Are you speaking of the rpict/rtrace -i+ rendering option?  In this 
case, trans materials will be ignored, treated as if they were not 
there at all, regardless of the real arguments.  The same is true for 
dielectric and glass materials.  This is designed to avoid the 
confusing situation where you see the irradiance arriving at a window 
rather than the irradiance on the objects visible through it.

-Greg

> From: "Martin Moeck" <MMoeck at engr.psu.edu>
> Date: January 2, 2006 10:32:51 AM PST
>
> Hello,
>
> Since about 10 months, I am having an unexpected problem with the 
> material trans. The direct component (argument 7) always cases 0 
> illuminance values. Was there a change in the material definition?
>
> Martin Moeck

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