Strange pattern in HB Daylight factor

grasshopper honeybee
,
1

Hi,

I get some very strange patterns/offsets in my daylight factor results. Anyone seen these before? My results also does not seem to be correct. I would expect a lot more daylight just inside the windows than what is visible at some analysis points.

Skjermbilde 2022-11-07 160156
Skjermbilde 2022-11-07 1601561920×1090 177 KB

Regards Ole

2

This is LB 1.5.0, by the way.

3

Hi @og, I’ve seen this before and for me it was an ambient resolution problem. You can plug the Ambient Resolution component into the additional_par_ input of the Radiance Parameter component.

It might also be worth considering how large your context is and if it’s really relevant - I think one of the reasons a higher -ar input is needed is due to the size of the model + context. The smaller your total model size the lower the -ar input needs to be. To find out more you might need to look on the Radiance forum, the pdf below by John Mardaljevic is also quite useful

4

Thank you, Charlie. This solved my problem.

Regards Ole