Search found 254 matches

by Fox
Thu Jun 20, 2019 5:16 pm
Forum: User Support
Topic: BiDir Hemi bug maybe
Replies: 0
Views: 22

BiDir Hemi bug maybe

BiDir Hemi bug maybe.7z In Blender cpu random path works, but cpu random bidir not. Bidir speed drops fast, Blender ui gets sluggish, can't stop render. This is with hdr hemi lamp, low res or high res doesn't matter, if multi scattering is enabled. Luxcore ui gets also locked, can't even set render...
by Fox
Thu Jun 20, 2019 12:31 pm
Forum: Finished Work
Topic: Cold Fusion
Replies: 59
Views: 4856

Re: Cold Fusion

:) Perhaps the rough glass and clear glass mix material was causing noise with BiDirVM.
With simple clear glass all the noise is gone, well 99,999%.
by Fox
Wed Jun 19, 2019 1:08 pm
Forum: Finished Work
Topic: Cold Fusion
Replies: 59
Views: 4856

Re: Cold Fusion

For classic engine it seems like smaller scattering value works better, or asymmetry value more forward scattering like 0.8 or 0.9 Then it's less white. I got good speed up by moving camera closer to subject with wide angle lens 15mm from 70mm and making the scattering room / cube smaller. Also i ha...
by Fox
Mon Jun 17, 2019 12:23 pm
Forum: Development
Topic: LuxCore standalone questions
Replies: 22
Views: 1481

Re: LuxCore standalone questions

:D Changed the theme colors a little. Aquamarine font color, black title bar changed to bluish gray, tripled the corner rounding.
LuxCoreRender theme update.png
by Fox
Sun Jun 16, 2019 9:44 pm
Forum: Finished Work
Topic: Cold Fusion
Replies: 59
Views: 4856

Re: Cold Fusion

@ kintuX

It's pretty old Xeon e5-2600 v4. The GTX 970 is around 6 times faster.
by Fox
Sun Jun 16, 2019 8:33 pm
Forum: Finished Work
Topic: Cold Fusion
Replies: 59
Views: 4856

Re: Cold Fusion

Border render with 130 000 samples - BiDir SDS-paths done by camera rays finding the area lights without light rays. I wonder if Corona-style guided path tracing could improve this? border.jpg I think the prism is colliding little with bottom floor :roll: I got this scene to render pretty clean wit...
by Fox
Sun Jun 16, 2019 3:06 pm
Forum: User Support
Topic: weird volumetric lighting glitch
Replies: 53
Views: 944

Re: weird volumetric lighting glitch

Ah ok so I need to set the mirror to the proper ext. volume, thanks for that tip! I used one of the files provided above (derived from "cold fusion" by SharlyBG), so those may contain this error too! There are several files in the cold fusion thread. The one that a played with, also had extra light...
by Fox
Thu Jun 13, 2019 4:09 pm
Forum: Finished Work
Topic: Symbiosis: A Bumblebee and its Caustics
Replies: 15
Views: 371

Re: Symbiosis: A Bumblebee and its Caustics

EPIC work :shock:
by Fox
Thu Jun 13, 2019 3:03 pm
Forum: Finished Work
Topic: Cold Fusion
Replies: 59
Views: 4856

Re: Cold Fusion

Thx FarbigeWelt
I tweak the materials to get some light behind mirrors, room walls were 0 0 0 black, perhaps not so good. And mirror reflection was 1 1 1, this i take down. Not sure what is good value for bidirvm.lightpath.count, i test with 1024, the first render had 131072.
by Fox
Thu Jun 13, 2019 1:35 pm
Forum: Finished Work
Topic: Cold Fusion
Replies: 59
Views: 4856

Re: Cold Fusion

:D BiDirVM and random, it's too noisy for 6 hour render. Multi scattering is off. BCD denoiser fell appart after denoising 1,4 hours, so it's the raw render.
Prism 6h BiDIrVM.jpg