[Radiance-general] Problem leak light

[Julien Boutillier]

Hi, 

Thanks everybody, it's working better now.

The problem was the parameter -av, I had set to 2 2 2… It's better with 0 0 0.

Thanks again

Julien

Le 7 juin 2012 à 16:24, Ji Zhang a écrit :

> Hi, Julien, a quick thought: check the normal of the wall surfaces: i.e. check if the interior side of the wall has an inward normal and the exterior side of the wall has an outward normal ... 
> 
> - Ji
> 
> On Thu, Jun 7, 2012 at 9:56 PM, Julien Boutillier <boutillier at estia.ch> wrote:
> Hi,
> 
> I develop a software to calculate the daylight factor in a room using Radiance.
> 
> I noticed that even a room with a window with '0' transmission, Radiance gives me a DF different from '0' if walls have a reflection different from 0.
> 
> I don't understand where this light come from? I thought about leak light, but i tried to change the construction of my view (add the thickness of walls, make walls crossing on the corners), but nothing change this result.
> 
> Did somebody have already notice this? Do you know this problem?
> 
> Thanks
> 
> Julien
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