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LightTracing BlendLuxCore 2.3 vs. BlendLuxCore 2.4 ?

Posted: Mon May 18, 2020 1:24 pm
by denon100
Hi,
is this behavior normal in BlendLuxCore 2.4 with LightTracing?
If the LightTracing is on or off, the material colors change.
Have otherwise made no changes.
This does not happen with BlendLuxCore 2.3.

thank you

Blender 2.8
Windos 10 Pro version 1909
Ryzen 9 3900x
RTX 2070 Super
lighttracing_on.PNG
lighttracing_off.PNG

Re: LightTracing BlendLuxCore 2.3 vs. BlendLuxCore 2.4 ?

Posted: Mon May 18, 2020 1:44 pm
by B.Y.O.B.
Are you using automatic tonemapping?
Can you upload the scene?

Re: LightTracing BlendLuxCore 2.3 vs. BlendLuxCore 2.4 ?

Posted: Mon May 18, 2020 1:56 pm
by denon100
No matter whether tonemapping is on or off.

thank you
Lighttracing.blend
(751.26 KiB) Downloaded 230 times

Re: LightTracing BlendLuxCore 2.3 vs. BlendLuxCore 2.4 ?

Posted: Mon May 18, 2020 3:58 pm
by Dade
It is a view port rendering with and without light tracing (PATHCPU Vs RTPATHCPU) :?: Do you get the same results in final rendering (i.e. PATHCPU Vs. PATHCPU) ?

Re: LightTracing BlendLuxCore 2.3 vs. BlendLuxCore 2.4 ?

Posted: Mon May 18, 2020 4:29 pm
by denon100
final rendering identical to viewport rendering :!:

by the way, everything works with the Disney material :?
as in BlendLuxCore 2.3

Re: LightTracing BlendLuxCore 2.3 vs. BlendLuxCore 2.4 ?

Posted: Wed May 20, 2020 12:12 pm
by denon100
am I the only one with this problem ?

Re: LightTracing BlendLuxCore 2.3 vs. BlendLuxCore 2.4 ?

Posted: Fri May 22, 2020 10:18 am
by Luximage
I have the same problem with you denon100.If i change the plane material to disney or glossy or metal with roughness included to Light tracing glossiness threshold it works ok.

win 10, xeon e5620, gtx 1050 ti
blender 2.82, latest daily blendluxcore 2.4 cuda

Re: LightTracing BlendLuxCore 2.3 vs. BlendLuxCore 2.4 ?

Posted: Fri May 22, 2020 1:00 pm
by Dade
It was a bug in MIS code when rendering env. light sources with light tracing. I should have fixed the problem.

Re: LightTracing BlendLuxCore 2.3 vs. BlendLuxCore 2.4 ?

Posted: Fri May 22, 2020 3:06 pm
by denon100
Hello,

and thank you very much for your endless efforts.

Thank you :P