Grasshopper

generative modeling for Rhino

# 04_OrientationStudies

Orientation Study

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Comment by djordje on March 18, 2013 at 5:26pm

Got it. Thank you.
I guess that example was made for some hot region.

Comment by Mostapha Sadeghipour on March 18, 2013 at 5:02pm

Sorry that I didn't get it in the first place... so you are right it does run the study for several orientations and outputs the numbers, but it doesn't/can't tell you which option is the best option.

The best option always depends on multiple other factors that the component is not fully aware of. For instance for a residential unit in Toronto the one that receives more radiation is the best while for an office building in Dubai the least possible is the best option. Moreover the best option will be different based on the running period. The best option for the cooling period (summer) is the one which receives the least while the best option for the heating period (winter) is the one which receives the most!

A more sophisticated workflow to find the best option is something similar to what I show in this video where I use Ladybug and Octopus together: http://www.youtube.com/watch?v=6c32kZN19FU

Comment by djordje on March 18, 2013 at 3:09pm

Thank you for the quick reply.
I know about that discussion. It explains perfectly the process of how to get the results for the orientation study.
But I was more interested in the logic by which the component works. That's the intention of my question.

Comment by Mostapha Sadeghipour on March 18, 2013 at 2:35pm

Hi Djordje, I posted a discussion about orientation study and how it works in the group that I think covers all your questions: (Hope it helps and let me know if you have any other questions.

Comment by djordje on March 18, 2013 at 2:31pm

Hey Mos,
I am just curious: how does the orientation study work?

It calculates the annual solar radiation on all surfaces of the object, then sums those values.
Then the same process is repeated, but by rotating the object by certain angle. And so on, and so on.
The case with the largest sum of annual solar radiation on all surfaces is basically the best orientation of the object?

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