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This tech implements many of the developments in: Surface Gradient-Based Bump Mapping Framework.
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This node is the preferred way to supply bump maps to surfaces, older nodes are less desirable for this effect. PxrNormalMap is still useful where you can change normal orientation. |
Input Parameters
Mode
Add - Add the results together, A + B
Over - Puts A over B, a mask is useful here to reveal the layer underneath, A+B(1-a)
Subtract - Subtract the results, A - B
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