Question-and-Answer Resource for the Building Energy Modeling Community
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Welcome to the world of daylight modeling! Funny you ask about this now, your timing is quite good. Mostapha Roudsari has been rather active on this forum in the last day or so, and he's the author of the tools Ladybug and Honeybee, which are both well-suited to the daylighting visualizations you seem interested in. Links to these tools, and tutorials on how to use them, are on Mostapha's GitHub profile.
For easy integration of Radiance-based daylighting analysis with an energy model, I humbly submit that OpenStudio and the Radiance measure that comes with its latest versions is your best bet, and does not require any commercial software such as Rhino or Grasshopper. But this will merely give you a whole building energy use result; the OpenStudio Radiance measure is not long on visualizations currently.
