[Radiance-general] Re: sky definition part 2

Wed, 22 Oct 2003 08:54:09 +1000

The Standard Sky Luminance Distribution algorithm, to model the current CIE standard skies, is now available from the Radiance-online web site.  The cal file and a pdf describing its use can be downloaded from www.radiance-online.org/patches/ssld/SSLD algorithm with PDF.zip.  Thanks heaps to Peter for your help getting that uploaded.

The SSLD became the new CIE standard in Feb this year - Spatial Distribution of Daylight - CIE Standard General Sky, S011/E:2003.  To find out more about the skies, follow the link to the paper by Kittler, Perez and Darula.  to see a pile of different sky models, go to Geoff Roy's SDF client web site.  both of these sites are listed in the pdf attached to the algorithm.

I hope someone finds it useful!
Phil.

_______________________________
Phillip Greenup
Specialist Engineer
Arup Australasia
Level 10, 201 Kent St
Sydney NSW 2000
Ph (02) 9320 9426
Fax (02) 9320 9321

>>> [email protected] 21/10/2003 1:46:58 am >>>
Hi Phillip and all!

> The cal file is not ideal, as it takes a few
> calculations and a bit of stuffing around to create the models.  the
> difficulty is in setting the relative intensities of sky and sun.  but, it
> does the trick.

That's the power of Radiance: 
if you give me a proper .cal file then I'll solve my problem! ;-)

Thanks for sharing it!

-- 
Francesco 

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