[Radiance-general] Distribute the brightness of the sun over a sky patch

[Thomas Bleicher]

Alejandro

You can look at the algorithm that Daysim uses to distribute the sun
between fixed positions (for example this presentation on slide 11:
http://www.gsd.harvard.edu/research/gsdsquare/Presentations/Radiance%20WS2009_DaysimInnovations_CReinhart.pdf).
 Note that the developers found that a small subdivision of the sky is not
sufficient to model sunlight and shadows in sufficient detail. Therefore
the approach to use separate steps for sun and sky contributions in
coefficient based daylighting.

Regards,
Thomas


On Tue, Feb 25, 2014 at 3:27 AM, Alejandro Pacheco Diéguez <
paxeco2205 at hotmail.com> wrote:

> Hi,
> I want to generate a Tregenza patched sky model that distributes the sun
> contribution into one of this patches instead of considering it separately
> from the sky dome. I know I am supposed to use rtcontrib but i am not sure
> I understand how it works. Maybe someone can help me here.
> Regards,
> Ale
>
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