Transparent plastic cover box - caustics

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nuno1980
Licensed Customer
Posts: 783
Joined: Sat Dec 18, 2010 10:04 pm

Hello! :D
boxes@60-diff,115-spec maxdepth_190095 spp_80h52min_OR 2.25.PNG
Resolution screen: 1680x1050
Render time: 80h52min running my EVGA GeForce GTX 980 Ti SC+ w/ Blackplate :)

NOTE: sorry for few noises but you aren't worried and it's normal because the real-life is extremely hard for caustics. ;)

Using Octane Render ONLY v2.25 because I don't like from v3.00 to v3.03.4 or to v3.0x due the caustics later issue. ;)

Render PMC kernel settings with all defaults except:
- 190,095 spp (samples per pixel)
- 60 diffuse and 115 specular depthes
- no "caustic blur"
- 10k-reject
- parallelism 1

Specular material settings for transparent plastic cover box:
- reflection 0.94
- transmission 1.000
- index of refraction 1.43
- dispersion 0.005
- uncheck "fake shadows"
- rest defaults


This scene is based in OctaneBench but I've corrected the few bad specular settings for cover box, I've turned off light areas and I've changed to daylight as our sun environment - do you remember this? ;)


Do you like this screenshot? :D
NOTE: I'm sorry for bad english due to mute ;)

i7-12700KF
2x16GB RAM@DDR4-3600
MSI PRO Z690-A DDR4
Zotac GF RTX 4090 <3 :mrgreen:
SSDs OCZ RD400 0.5TB and Crucial 2TB SATA3
HDD 1TB SATA2
LG BD-RE BH16NS40
PSU 1kW
CRT 19" Samtron 19" :|
ptunstall
Licensed Customer
Posts: 153
Joined: Thu Jun 04, 2015 1:36 am

very nice! What is the caustics issue in 3.0x?
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nuno1980
Licensed Customer
Posts: 783
Joined: Sat Dec 18, 2010 10:04 pm

ptunstall wrote:very nice! What is the caustics issue in 3.0x?
Thank you! :)
Issue - here ;) But still no fixed about many weeks. :(
NOTE: I'm sorry for bad english due to mute ;)

i7-12700KF
2x16GB RAM@DDR4-3600
MSI PRO Z690-A DDR4
Zotac GF RTX 4090 <3 :mrgreen:
SSDs OCZ RD400 0.5TB and Crucial 2TB SATA3
HDD 1TB SATA2
LG BD-RE BH16NS40
PSU 1kW
CRT 19" Samtron 19" :|
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