[Radiance-general] Problem leak light

[Ji Zhang]

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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