Cumulative Radiation simulation explanation

grasshopper honeybee
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1

Hi all,

I have a theory question about the inner workings of the HB Cumulative Radiation recipe. Based on the documentation I found that this recipe in Honeybee works similar to the LB Incident Radiation method. As I understand it, the only differences are the fact that it uses Ambient Reflections and it uses the Radiance engine. I would like to ask the following questions:

  1. To what extend is the Cumulative Radiation recipe based on the 2-phase method/Daylight Coefficient method?
  2. Are the ambient reflections in HB Cumulative Radiation based on the internal sky matrix, or are they computed hourly?

Thanks for the help!