Hi, I've been a lurker here for a while but I finally have a question. I was wondering if there is a simple formula to calculate the Color Rendering Index(CRI) and Correlated Color Temperature(CCT) of a white light source.. To do this I would also need (I think) to make a some points on a chromacity diagram. Right now, all I have is the wavelength emissions of the light in an excel spreadsheet... So basically, I want to know how to convert from wavelength emissions, to a chromacity diagram, to CRI and CCT.. I've looked quickly for some software to do this but it was $1000.... Thanks..(adsbygoogle = window.adsbygoogle || []).push({});

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# Calculating Color temperature and Color Rendering Index..

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