[Radiance-general] IESNA Files & LumBuild

[Shakespeare, Robert A.]

You should find .ies files to download at these links:

http://www.gelighting.com/LightingWeb/aus/products/technologies/led/led-par38/overview/<http://genet.gelighting.com/LightProducts/Dispatcher?REQUEST=IESRESULTPAGE&Category=Lamps_Sealed%20Beam_PAR&SearchType=CatgSearch>

http://www.usa.lighting.philips.com/connect/tools_literature/photometric_data_1_a.wpd

http://www.tcpi.com/spec-sheets/

http://www.lsgc.com/interior_led_lighting/definity-lamps/par38/

Lots more out there… If you find Toshiba, they are no longer manufactured.

Rob


From: Brian Karr <brianakarr at yahoo.com<mailto:brianakarr at yahoo.com>>
Reply-To: Radiance discussion <radiance-general at radiance-online.org<mailto:radiance-general at radiance-online.org>>
Date: Monday, May 26, 2014 6:50 PM
To: Radiance discussion <radiance-general at radiance-online.org<mailto:radiance-general at radiance-online.org>>
Subject: [Radiance-general] IESNA Files & LumBuild

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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