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3dsMax 2022 Render to texture

Jetman

Jetman

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177
Country
germany
Hi all,

after switching from Max2017 to Max2022 I have a question concering the render to texture (ambient occlusion baking):
With Mental Ray in 2017 it was easy and -above all- quick to render the ambient occlusion for an object.
In 2022, Mental Ray is not existing any more and instead of a quick rendering for the ambient occlusion it takes forever to get the same results. (probably the same is already for existing in 2021)

Is there any quick way to render the AO?
Help is greatly appreciated as all web research did not bring any suggestions for me...

Thank you!
 
I used Scanline Render.
Works well and pretty fast if you uptick the Super-sampling option.
 
LioC18 said:
I used Scanline Render.
Works well and pretty fast if you uptick the Super-sampling option.
Click to expand...
You can do it that way, but the result won't be the same as what mental ray's AO was capable of, especially for interiors. The max distance setting within the AO material allowed "rays" to be terminated at a certain distance from the surface, allowing you to basically control the overall "spread" of the effect. Small distance = finer details will be more visible, but surfaces that are further apart will not influence one another as much. Larger distance takes more geometry into account but of course takes longer to render. Using scanline skylights or any other global illumination engine will assume infinite ray travel and anything that is completely enclosed will render pure black.

Unfortunately it appears that there isn't any other renderer built into Max that will give a comparable effect to the legacy AO bakes with mental ray. The closest thing I've found is the "VrayDirt" material which has very similar settings and renders extremely quickly (although Vray costs a fortune unless you pay by the month and be really strategic about it.) I'm sure there are free rendering plugins out there somewhere that can get close to the desired effect though.
 
Check the SDK for ambient occlusion and follow the steps described to render a lightmap instead of using ao.
Heaps better results in FS.
 
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