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1. Add the node in the Node Graph downstream of where your material is created
2. Select a location in the Scene Graph - a material location or a location with a local or inherited material assigned
3. Press the Set from Scenegraph Selection button on PrmanSignalVisualizer
4. A window will pop up and display the shading network of the material at the selected location.  The nodes are automatically laid out by Katana, so the layout may not match the layout of your original material.
5. In this window, choose the output of a shading node that you wish to visualize
6. All locations with that material assigned will now render with the isolated signal

Signal

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Input mode

The signal input mode is not available for materials created with NetworkMaterialCreate in Katana 3.2+.  There is no way to connect an output of a shading node to a node outside the NetworkMaterialCreate group.

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