[Radiance-general] IESNA Files & LumBuild

[Brian Karr]

I'm curious how well have people been able to find IESNA data for standard
luminaries? I have been searching the web for candlepower distribution files
for standard PAR38 LED lamps you might find at your local home improvement
store, for conversion to an imposter surface.

 

I haven't had a lot of luck but I'm still looking! I came across Krzysztof
Wandachowicz's papers on calculating luminaires for Radiance, getting me
thinking more often the data might not be available and a measurement is
required?

 

Also of interest is a Masters Thesis by Randolph Fritz describing the
development of a luminaire modeling program called LumBuild. I haven't found
much follow on information related to the program?

 

Appreciate any knowledge you can share!

 

Thank you,

Brian

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