Timeline for How to send shadow rays to window light source with glazing
Current License: CC BY-SA 3.0
4 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Mar 16, 2017 at 9:20 | vote | accept | ali | ||
| Mar 14, 2017 at 18:01 | comment | added | ali | I am not sure any light tracing methods would help either as sampling the infinite area light source(sky) for an indoor scene is not efficient, and considering the window portal as the light source with the background sky distribution wouldn't help either as you sample the window area with a sample direction towards the room but still needs to trace one transmitted ray back to the sky to account for the glazing. Is this correct? | |
| Mar 14, 2017 at 17:13 | comment | added | ali | Thanks for your answer. My aim is to calculate daylighting from the visible sky, seen through the glazing portal,on few measurement points. The transmitted ray will hit a different patch of sky with a different distribution than the initial shadow ray. And as you said this will give wrong results. | |
| Mar 14, 2017 at 15:17 | history | answered | Dan Hulme | CC BY-SA 3.0 |