LuxCoreRender Forums

Hello everyone!

This is an issue I've been encountering since I first started using Luxcore, and I believe I'm not the only one. The issue is, when using dispersion of any kind, it turns the surface red-ish, so glass and water becomes muddy and tinted. Can it be fixed or worked around?
Here are the ...

epilectrolytics wrote: Sat May 14, 2022 3:08 pm Now you can see the "use PhotonGI Cache" checkbox in the volume node:

All this time I thought you meant the checkbox in the advanced menu of the material output node, which is greyed out for Bidir. I got it to work now, thanks a lot for your help!

As already mentioned above, a proper volume setup is crucial.
- homogenous volume with scattering and IOR>1 assigned via pointer as interior to the prism
- homogenous volume with scattering and IOR=1 assigned via pointer as exterior to the prism, as interior to the volume cube and also checked for ...

Thank you very much for the detailed replies, I really appreciate it!

Hello!
I've been trying to figure out volumes and caustics in LuxCore for the past week or so but nothing seems to work in my case.
I have a scene with a simple prism and a laser: a classic dispersion scene. I have two issues with it though:
The reflected light from the glass is much brighter than ...