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Does CentiLeo support NvLink?
 
Administrator  Posts: 598
Sep 2, 2021 13:31
Yes, btw any 3080, 2080, 1080 are perfect. 3090 is great!
Also for out-of-core a good PCI connection, RAM and CPU speed would make a benefit.
The first article about CentiLeo out-of-core sheds the light on what can help. The second article recommends the hardware for variuos purposes
https://centileo.com/docs/index.php?COURSE_ID=3&LESSON_ID=43&LESSON_PATH=17.43
https://centileo.com/docs/index.php?COURSE_ID=3&LESSON_ID=44&LESSON_PATH=17.44
Shortly the rule is: use at least PCI Express Gen3 X8 connection or better, RAM DDR4 as much as you need and powerfull enough CPU for you multi-GPU rig.
Does CentiLeo support NvLink?
 
Administrator  Posts: 598
Sep 2, 2021 12:24
No, CentiLeo doesn't leverage Nvlink yet.
Nvlink when used makes visible 48GB, but the own onboard 24GB part works normally, the 24GB from another GPU are not as fast as from the own GPU.
CentiLeo has very efficient out-of-core tech for geometry and particles. You can populate the whole RAM with your geometry data and work with it on GPU, even if the GPU geometry cache is 4 or even 10x smaller than geometry storage in RAM.
Picture View Can Not Render Object under Perimetric Mode
 
Administrator  Posts: 598
Sep 1, 2021 10:17
Hi LU, I think absolutelly the same way as you about this problem :) I will fix it of course soon. I don't want people to think CentiLeo sucks, because it's great, it solves a lot of problems internally under the hood reducing people headache. And this stupid issue should also be removed :)
Picture View Can Not Render Object under Perimetric Mode
 
Administrator  Posts: 598
Aug 31, 2021 05:05
LU, hi and welcome here! Do you mean "Perfect" sphere render mode? Yes, it's just not working since some time. I think Maxon has changed something and we need to modify.
As a woraround I suggest to uncheck the "Perfect" sphere mode and increase the number of segments.
Test with centileo and forest in C4D, Test with centileo and forest in C4D
 
Administrator  Posts: 598
Aug 30, 2021 06:21
Btw, the issue you reported was fixed in the latest 0.64 release
Test with centileo and forest in C4D, Test with centileo and forest in C4D
 
Administrator  Posts: 598
Jul 31, 2021 08:34
Oh, the Forester! Ok. Thanks for the links, I will look there, fix and then get back to you.
Test with centileo and forest in C4D, Test with centileo and forest in C4D
 
Administrator  Posts: 598
Jul 30, 2021 13:01
Thanks for noting a problem. Please, can you give me a link to this forest plugin and some small scene example? I will investigate this.
Btw, you may add variation using Random node or Gradient Ramp + Random nodes to add variation of green for the trees.
ipr not working + no gpu selected
 
Administrator  Posts: 598
Jul 25, 2021 07:47
GTX 1650 has 4GB. It should work! Do you see it in the list in the page of CentiLeo Hardware Settings? Try to update Nvidia Display Drivers btw.
And also it may not be listed for example if your GPU memory is heavilly occupied by some other GPU application.
ipr not working + no gpu selected
 
Administrator  Posts: 598
Jul 23, 2021 04:14
Hi Ava, and welcome to CentiLeo!
Please check that at least one GPU is selected from the list? Open the Hardware Settings. By default all supported GPUs are selected. What are your GPUs? Nvidia? Do they have at least 4GB? 2GB?
IPR Render to viewport, Feature request
 
Administrator  Posts: 598
Jul 22, 2021 09:46
Sure it would be nice addition. Also a good thing would be to make IPR window docable (a frame amoung other C4D frames in the single monitor). But before that I must improve the light source settings, make spline & hair support and then speedup the render and scene compilation.
2 Wishes
 
Administrator  Posts: 598
Jul 20, 2021 05:30
Yes, there will be promotion of course after a couple of more versions
Shadow catcher not showing correct shadow on hdri environment.
 
Administrator  Posts: 598
Jul 19, 2021 05:34
The shadow catcher override is responsible for lighting emission that creastes the shadows.
If you want to make white background then override the camera override environment in render settings / Environment tab.
If you want transparent background then check the checkbox in render settings / AOV tab
Shadow catcher not showing correct shadow on hdri environment.
 
Administrator  Posts: 598
Jul 18, 2021 06:43
Harry Setiawan, hello!
The non moving shadow can appear from the regular CentiLeo light source if you enabled them. Try to switch on/off them.
The shadows coming from the HDRI rotate following HDRI lat/long rotation.
Also there are shadow weight parameters on the light source settings - they can be increased/decreased to change the intensity of shadow on shadow catcher object.
2 Wishes
 
Administrator  Posts: 598
Jul 17, 2021 04:00
I am from Novorossiysk and Moscow. Thank you for wishes! :)
2 Wishes
 
Administrator  Posts: 598
Jul 15, 2021 13:38
Thank you! Are you russian too? :) Greater releases are coming soon btw 8)
2 Wishes
 
Administrator  Posts: 598
Jul 15, 2021 06:02
3D220, welcome here! Thank you :)
1) No. It's used in artchitecture of renderer at this moment. For ready rendes Max Iters = 1 is the minimum. The issue is related to texture pre-population from disc caches. If you need faster pre-renders then why not using lower resolution? Also the iteration will become faster in few versions :)
2) Ok, will do.
焦散问题, 焦散不太好需要继续改进
 
Administrator  Posts: 598
Jul 11, 2021 09:02
Quote
hao qiqi0 wrote:
Kirgman
Can the system out of a series of tutorials?
I will make tutorials of course after 0.66-0.67 releases. There will be a documentation on materials, shaders and light sources with examples, later I will make a free demo scene with tuned materials. And I hope few other guys will make their tutorials for sharing, so stay tuned :)
焦散问题, 焦散不太好需要继续改进
 
Administrator  Posts: 598
Jul 10, 2021 05:22
Hi hao qiqi0, welcome here!
The forum is English speaking, so use it please :)
The caustics are not yet supported in CentiLeo. So in order to get no noise from them we blur this visual effect.
In your image the cup internal reflections are dark. I think you have to make sure that Relfection.weight = 1 and Reflection.Color = pure 100% white for your material.
There is also "Is Liquid" option for Transmission channel, it should be enabled for the mesh of liquid if it overlaps the mesh of cup glass.

Best regards,
Kirill
IPR Not Update
 
Administrator  Posts: 598
Jun 26, 2021 13:37
Hi! There is a button with "Auto" inside circle. Click it to make "Auto" green. Then the automatic update reflecting scene geometry and light sources will be enabled.
https://centileo.com/docs/index.php?COURSE_ID=3&LESSON_ID=39&LESSON_PATH=17.39#commands
By default it's off because of some cases involving Cinema expression tags. Also there is update button without "Auto" - it just manually refreshes the scene by clicking on it.
Chrome material, how?
 
Administrator  Posts: 598
Jun 11, 2021 14:12
This is due to existance of 2 Fresnel IOR modes: dielectric and conductor. Ours is dielectric at the moment. Conductor is for metals and it has complex value (2 settings ior and k, and 1 switch between modes). Fresnel dielectric can mimic conductors with high IOR values and look similar but with less controls (and less real physics). Renderers usually have either one or both modes. Not a problem to add conductor, I just wanted to make material GUI simpler, however it already has many other settings, especially that long material box in node editor canvas :)
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