[Radiance-general] CIE version in gensky

[Rob Guglielmetti]

That would be ideal, but even if the .cal file were just available in "lib"
for folks to use if they wanted, that would be sweet. My intent was not to
create more work. =)

On Wed, Jan 14, 2015 at 3:20 PM, Greg Ward <gregoryjward at gmail.com> wrote:

> I agree.  If it's not too much trouble to update gensky and we can do it
> properly, I'm all in favor of including this in the main distro.
>
> -Greg
>
> *From: *Rob Guglielmetti <rob.guglielmetti at gmail.com>
>
> *Subject: *Re: [Radiance-general] CIE version in gensky
>
> *Date: *January 14, 2015 2:11:30 PM PST
>
>
>  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
>>
>> *t* +61 3 9668 5500     *d* +61 3 9668 5669
>>
>> *f* +61 3 9663 1546
>>
>> www.arup.com
>>
>>
>>
>>
>>
>>
>>
>> *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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