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Steven Caron avatar image
Steven Caron asked ·

Layer RGBA node's normal map operation?

I wanted to know the math/method use by the "normal map" operation in the Layer RGBA node. There are a few decent methods for mixing normal maps, outlined here...

https://blog.selfshadow.com/publications/blending-in-detail/

Is the node using any of these methods?

normal maplayer
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I might have answered my question already with porting some of the code from HLSL to OSL. Seems to match the method posted on the site...

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Ramon Montoya Vozmediano avatar image
Ramon Montoya Vozmediano answered ·

The result should be similar to the "reoriented detail" method

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