[Radiance-general] Sky radiance model

Ehsan M.Vazifeh em.vazifeh at gmail.com
Sun Feb 2 15:13:46 PST 2014


Dear Greg,

Thank you for your advice. I'll do my best.

Cheers,

Ehsan
On Feb 2, 2014 8:54 PM, "Greg Ward" <gregoryjward at gmail.com> wrote:

> Well, you can follow the example in skybright.cal to translate your
> equations to something Radiance can use directly.  The documentation is in:
>
> http://radsite.lbl.gov/radiance/refer/filefmts.pdf
>
> And there are tutorial chapters in "Rendering with Radiance" if you have a
> copy of that.
>
> -Greg
>
> *From: *"Ehsan M.Vazifeh" <em.vazifeh at gmail.com>
>
> *Date: *February 1, 2014 1:42:42 PM PST
>
>
>  Note:
> By radiance distribution and radiance fraction I meant ratio of radiance
> of each patch over sum of radiance of all patches.
>
> Best,
> Ehsan
> On Feb 1, 2014 4:00 AM, "Ehsan M.Vazifeh" <em.vazifeh at gmail.com> wrote:
>
>> Dear Greg,
>>
>> I developed a model which applies angular distance between any point on
>> the sky and Sun disc to calculate radiance fraction and then having
>> radiance distribution and horizontal diffuse irradiation, radiance or even
>> luminance of each point under clear sky condition can be calculated! I hope
>> this information can be useful:)
>>
>> Cheers,
>>
>> Ehsan
>> On Feb 1, 2014 2:47 AM, "Greg Ward" <gregoryjward at gmail.com> wrote:
>>
>>> Hi Ehsan,
>>>
>>> There are ways to do this, but you need to be a little more specific
>>> about what data you are starting from.  Otherwise, it's difficult to offer
>>> direction.
>>>
>>> Best,
>>> -Greg
>>>
>>> *From: *"Ehsan M.Vazifeh" <em.vazifeh at gmail.com>
>>>
>>> *Date: *January 31, 2014 2:27:23 AM PST
>>>
>>>
>>>  Hi Everyone,
>>>
>>> I have a radiance distribution model over the sky dome, is there a way
>>> to use my model to generate the sky not using gensky or gendaylit?
>>>
>>> Cheers,
>>>
>>> Ehsan
>>>
>>>
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