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3dsmax - Light cache calculation takes long time


nakulchauhan
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Hi People!!!

 

I'm facing a serious situation and I'm sure is faced by many people. I need to solution to that. Problem is like this.

 

I'm rendering a large scene. Large is terms of objects I would say. There are about 3500-4000 objects in the scene. I'm using 3dsmax for this with vray renderer. For GI I'm using irradiance for primary and light cache for secondary bounces. My problem is, the light cache takes a hell lot of time to calculate. The scene resolution is not much, it's 720 by 576. Even settings of light cache are pretty low only. I'm attaching the settings of light cache along Please suggest a solution.

 

Thanks

Nakul Chauhan

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Check the "vray messages" dialog box for the "max tree depth: #" when you hit the render button, and match it on the "vray system" parameter.

 

For example if in the vray messages dialog box it says: "Max tree depth: 35", change the value to 35 or 36 on the vray system parameters.

 

That solved a lot of my crashing problems because the original setting is 60 or 80 (depending on vray version) and it's just overkill on your RAM usage.

 

Lower your dynamic memory limit back to 400, and try it. If it still crashes, up the dynamic memory by 50MB until you see some improvement on the render time.

 

Hope it helps.

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