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Rendering with Arnold in 3ds Max using the MaxtoA plug-in.
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How do I create AOV for light facing surface point?

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simonm6ZBRJ
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How do I create AOV for light facing surface point?

I want a simple colour coded AOV where all geo facing a light is 1 and all geo not facing the light is 0. Preferably anti-aliased.

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Message 2 of 3
Anonymous
in reply to: simonm6ZBRJ

I'm rather new to arnold, still trying to help you.

I've attached an image from my maya work space showing my solution.

1. create a aiFlat shader and assign to your desired objects.

2.create a "surfaceLuminance" node.

3.Connect it's "OutValue" to R,G and B channel off the color of the flat shader.

Do this in a render layer , make a material override and disable AOVs for this layer, render just beaty pass.

Maybe there is a simpler way but I don't know.

4027-lightfacing01.jpg

Message 3 of 3
simonm6ZBRJ
in reply to: simonm6ZBRJ

That works, thanks very much.

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