Search found 3 matches

by Lummy
Tue May 12, 2020 9:34 pm
Forum: User Support
Topic: Physically based light measurement
Replies: 7
Views: 5032

Re: Physically based light measurement

Thank you. My problem was that there is no irradiance contours available in the caustic part of the render.
by Lummy
Fri May 08, 2020 1:00 am
Forum: User Support
Topic: Physically based light measurement
Replies: 7
Views: 5032

Re: Physically based light measurement

Hi. Yes so I was confused between Blender colour management view transform, and the camera image pipeline tonemapper which I have just found. Regardless of the view transform, I set the image pipeline tonemapper to linear, I enable the IRRADIANCE AOV, (and the Direct diffuse AOV ) and also enable th...
by Lummy
Thu May 07, 2020 8:54 pm
Forum: User Support
Topic: Physically based light measurement
Replies: 7
Views: 5032

Physically based light measurement

Hello, some time ago around the year 2015 I was using Luxrender to model and simulate an LED pointed at a flat diffuse target 1m away. Once the model was set up I push the render button, and a separate Luxrender window would open. The render would progress during which time I could choose a tonemapp...