[Radiance-general] CIE version in gensky

[Rob Guglielmetti]

Seems like a nice thing to include in Radiance proper, no?

On Wed, Jan 14, 2015 at 3:06 PM, Phillip Greenup <Phillip.Greenup at arup.com>
wrote:

>  Hi Lars and all,
>
>
>
> Thanks for the plug Lars!
>
>
>
> For anyone interested in my cal file (from several years ago), let me know
> and I can send it through.
>
>
>
> Cheers,
>
> Phil.
>
>
>
> *Dr Phillip Greenup*
>
> Senior Designer  |  Lighting
>
>
>
> *Arup*
>
> Level 17 1 Nicholson Street Melbourne VIC 3000
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> *From:* Lars O. Grobe [mailto:grobe at gmx.net]
> *Sent:* Thursday, 15 January 2015 9:02 AM
> *To:* Radiance general discussion
> *Subject:* Re: [Radiance-general] CIE version in gensky
>
>
>
> Hi,
>
>
>
> I missed that thread, so a late reply. While having the current CIE skies
> in gensky would certainly nice, we do not really depend on it. Philip
> Greenup had the models implemented in  a little cal-file (ssldlum.cal),
> which used to be on www.radiance-online.org in the patches-directory but
> disappeared with the installation of the new web-site.
>
>
>
> Still, the file is documented on page 251 of Philip's thesis (a highly
> recommended reading, not only that one page..). For a quick pragmatic
> problem-solving copy&paste will do:
> http://eprints.qut.edu.au/15936/1/Philip_Greenup_Thesis.pdf
>
>
>
> Cheers, Lars.
>
>
>
>
>
>   Zack Rogers developed a module for Python (IES_gensky.py) that is part
> of SPOT and updates the gensky model.
>
>
>
> I also seem to remember that in one of the early Radiance workshops there
> was a reference to an updated CIE sky generator that could produce all 15
> standard sky models. I don't think it ever got a public release but the
> source files were exchenged off-list now and then.
>
>
>
> Regards,
>
> Thomas
>
>
>
> On Mon, Nov 17, 2014 at 2:09 PM, Ehsan <em.vazifeh at gmail.com> wrote:
>
>   Hi Dr. Ward,
>
>
>
> I will happy to have latest version of sky model. I know it is time
> consuming to program and update the gensky but as its part of my research
> work, I'll be glad if I can take part in updating it.
>
> Cheers,
>
> Ehsan
>
>
> On 17 Nov 2014, at 02:40, Greg Ward <gregoryjward at gmail.com> wrote:
>
>  Hi Ehsan,
>
>
>
> The gensky command has overcast and clear sky distributions based on an
> older CIE standard.  I don't remember which one, but gensky was written in
> the late 80's.  Subsequently in 1991 or so, I added an "intermediate" sky
> type, but I'm not sure it adheres to the newer 2002 standard.
>
>
>
> Most people who care about the sky distribution using gendaylit, but if
> enough people really want it, I could see about updating gensky to the
> current CIE standard(s).
>
>
>
> Cheers,
>
> -Greg
>
>
>
>  *From: *"Ehsan M.Vazifeh" <em.vazifeh at gmail.com>
>
> *Subject: *[Radiance-general] CIE version in gensky
>
> *Date: *November 15, 2014 9:28:12 AM EST
>
>
>
>  Dear All,
>
>
>
> I have a lazy question, what is the latest version of CIE sky used in
> gensky at the moment? their latest update was in 2002 (CIE GENERAL SKY
> STANDARD DEFINING LUMINANCE DISTRIBUTIONS) if I am correct.
>
>
>
> Cheers,
>
> Ehsan
>
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