Chaos Corona Forum

Chaos Corona for 3ds Max => [Max] I need help! => Topic started by: iMotion on 2015-03-03, 10:53:57

Title: How to render 9k resolution scene?
Post by: iMotion on 2015-03-03, 10:53:57
Help. Don't know what to do. Scene hangs at building acc. structure. Time is running and did not step next to GI prerendering.
Resolution are 9k. What options I need to tweak to let it render

P.S Scene hangs at same position and give an error even on render farm (
Title: Re: How to render 9k resolution scene?
Post by: Rimas on 2015-03-03, 10:56:42
Hi!

Maybe the scene itself has something incompatible in it? Maybe you're running out of RAM?
I've personally rendered images 15k wide with no problems running both on a single workstation and distributed so I doubt it's Corona being the culprit here...
Title: Re: How to render 9k resolution scene?
Post by: iMotion on 2015-03-03, 11:02:48
Scene is not very complicated and consist of not more then 1 000 000 poly. I have enough RAM, I think, because I don't see any message about out of ram during render. It just hangs and thats it.
Title: Re: How to render 9k resolution scene?
Post by: maru on 2015-03-03, 11:04:39
Is there displacement in your scene?
Title: Re: How to render 9k resolution scene?
Post by: iMotion on 2015-03-03, 11:06:34
Yep
Title: Re: How to render 9k resolution scene?
Post by: maru on 2015-03-03, 11:49:07
So this is probably the cause. In low resolution rendering, the displacement should work fine. If the resolution is so high, the mesh becomes subdivided multiple times. You can for example try lowering displacement quality settings (either bigger screen size or lower max subdiv per poly, or both).
Title: Re: How to render 9k resolution scene?
Post by: xt13r on 2015-03-03, 12:06:45
I have the same problem few days ago. After disabling displacement everything renders fine.

P.S. Any plans for imrovements in this problem? in a nearest or far future builds of corona? I've already seen lot of questions about freezing render because of this displacement problem on a different russian resources.
Title: Re: How to render 9k resolution scene?
Post by: iMotion on 2015-03-03, 12:51:15
So this is probably the cause. In low resolution rendering, the displacement should work fine. If the resolution is so high, the mesh becomes subdivided multiple times. You can for example try lowering displacement quality settings (either bigger screen size or lower max subdiv per poly, or both).

Thank you, Maru. I just decrease subdivs per poly from 800 to 500 and everything goes fine.

2xt13r: I can't disable it because of brick wall in my scene =)