[Radiance-general] Reg. evaluating Radiance results

[Gregory J. Ward]

Hi Vaib,

Anyone looking for a copy of "Rendering with Radiance" should still contact "Randolph M. Fritz" <randolph at panix.com>, who has been generously volunteering his time to distribute copies more or less at his cost.

If you use gensky or gendaylit for validation, be sure to input the global and diffuse values to calibrate them to your actual sky.  In the end, John concluded in his thesis that accurate comparisons required a full sky (directional) measurement using a sky scanner (goniophotometer or gonioradiometer).

Best of luck!
-Greg

> From: Vaib <vaibhavjain.co at gmail.com>
> Date: February 3, 2014 12:03:35 AM PST
> 
> Happy Monday everyone, Dr. Greg,
> 
> In a few days I will be evaluating my Radiance model with measurement data (illuminance values). Can you please recommend some guidelines/best-practices/research-papers that have conducted such quantitative analysis, and came out with some methodologies for model calibration, and their confidence intervals. My university had "Rendering with Radiance", that could have been a good starter, but somehow it has mysteriously gone missing. It has become a rare book, if I guess right. :)
> 
> My experiment will be a controlled one, in which only the lights will be turned On or Off and I will check their influence on results. The major factor for anomalies could be from Sky, as initially I will be using Gensky as the sky model. 
> 
> I look forward for your suggestions. Thank you!
> 
> Best regards,
> Vaib
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