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Roman Ivashnev avatar image
Roman Ivashnev asked ·

Shadow Matte | Shadow only pass

Have a question, is it possible to render a pass with shadow on the floor only. By default shadow matte shader is capturing shadow with the shape of the object this shadow casted by. For example i am rendering a car and i need shadow only. Also in render settings i see Shadow Mask and Shadow Diff AOVS, when i add them they are empty black. What this AOV's stand for and how to use it ?

Thanks.

aovaovsshadowmattes
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Peter Horvath avatar image
Peter Horvath answered ·

I don't think there's a better way to achieve this at the moment, sorry.

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William Ariza avatar image
William Ariza answered ·

@RomanIvashnev there is actually a way to do it, you have to make use of render layers and overrides, I know how to do it in maya

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ismail tantawi avatar image
ismail tantawi answered ·

hello

I want to know the steps for baking matte shadow only with transparent to use it in Augmented reality

,

hello

please i want to know the steps to how to baking matte shadow only with transparent to use it in augmented reality with Arnold

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Roman Ivashnev avatar image
Roman Ivashnev answered ·

I was able to achieve what i need but not in an efficient way. Applied Arnold tag on the entire vehicle, turned off Primary visibility. In addition i had to go and turn it off in all nested elements with arnold tag (all glass, acrylic elements). And it looks like i will have to render it again. So, my new question - is there a way to get this exact pass without manually turning off primary visibility and rendering animation again ?

Thanks.


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