[Radiance-general] Use of Lighting information on EPW file

Germán Molina Larrain gmolina1 at uc.cl
Tue Aug 6 07:13:35 PDT 2013


Ok, I was wondering since I understand this is done commonly in Solar
Energy?

THANKS FOR THE INFORMATION LARS

German


2013/8/6 Lars O. Grobe <grobe at gmx.net>

>  Hi German!
>
>   Is it too bad to consider the direct illuminance as it is, and assume
> the diffuse illuminance as isotropic (i.e. assume the diffuse daylight
> entering through my window is the same as the horizontal) ???
>
> Yes, that would be very bad. There is no such thing as an uniform sky in
> nature.
>
> Maybe John's chapter on sky model is interesting for you:
> http://www.iesd.dmu.ac.uk/~jm/doku.php?id=resources:thesis
>
> Cheers, Lars.
>
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