@chris , in this example I have two rooms separated by an AirBoundary. The northern room is highly glazed; the southern room has no glazing. [image] When I run this through a daylighting simulation, the southern room receives daylight despite having no windows, which is expected because it shares …

The new AirBoundary material has just about made it’s way through the core libraries and, within an hour, you can get the fix on your end if you use the “LB Versioner” and set clean_standards_ to True like so: [image] Thanks for reporting the bug, @MaxMarschall . You are indeed worthy of the title…

AirBoundary not considered fully transparent by Radiance?

grasshopper honeybee

omen October 4, 2022, 7:43am 12

@MaxMarschall
Hello, I’m sorry to bother you. My software has been updated to version 1.5, and I encountered problems similar to yours. How did you solve them?