I am currently rendering a rather complex building with artificial lighting installed only. I imported my model from Ecotect to Radiance and then I got the lux levels calculated and then I imported that back to the Ecotect's grid. However, the lux values that I got from Radiance/Ecotect are approximately ten times higher than what I measured from the actual building. I repeated the calculations for a number of times and I tried to switch on/off some lights as well. Yet, the lux calculation is still ten times higher than the actual measured values. Can anyone advise what's wrong? My model is built in millimeters. I am not sure if that would cause any problems?
did you consider the sky condition? It would be best if you had the exact time and date the light levels were taken, as well as the relative cloudiness of the sky.
I always verify the normal faces that often leads to problems of analysis
Are you set appropriate values of reflection?
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