Search found 23 matches

by pro
Tue Jan 08, 2019 6:49 am
Forum: User Support
Topic: Lux measurement using Irradiance feature
Replies: 31
Views: 32945

Re: Lux measurement using Irradiance feature

Measuring the values over an arbitrary set of points (for instance, a table surface) would require a new type of "camera" (something getting as input a text file with a generic list of rays to trace). It is not something particularly hard to add (at least for the CPU code) but it isn't ex...
by pro
Mon Dec 31, 2018 9:26 am
Forum: User Support
Topic: Lux measurement using Irradiance feature
Replies: 31
Views: 32945

Re: Lux measurement using Irradiance feature (Blender)

Yes, you can enable the Irradiance AOV in the render layer settings. Then you get the irradiance data as an additional render pass in Blender, which you can save as .exr or any other format you like. Thank you for your quick answer! I managed to get Irradiance AOV values out now thanks to your sugg...
by pro
Fri Dec 21, 2018 12:49 pm
Forum: User Support
Topic: Lux measurement using Irradiance feature
Replies: 31
Views: 32945

Lux measurement using Irradiance feature

Hi, I'm a new user of LuxCore and first of all I would like to thank you for open source LuxCoreRender - it's really a powerful tool. I am also new to the physics of light so please bear with me and correct me if i misinterpreted anything. My goal is to obtain a numerical representation of illuminan...