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This node
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PxrNormalMap is still useful where you can change normal orientation.
Nodes that supply a resultNG output can connect to this node, examples include PxrTexture and many procedural patterns.
This node provides a modern way to bump mapdo bump mapping and is based on Surface Gradient-Based Bump Mapping Framework.
Traditional options do not allow for order-independent mixing and this node provides for easy mixing of multiple inputs if needed. Bump mapping is an inexpensive way to add small surface details through shading rather than modelling them. You can also chain these nodes together for more complex networks using masking to vary bump maps across surfaces while using a single material assignment.
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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. Nodes that supply a resultNG output can connect to this node, examples include PxrTexture and many procedural patterns. |
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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