Setting up Display and Sample Filters in Katana

Create Display and Sample Filters in Katana with Material or with PrmanShadingNodes.  Assign the Material or NetworkMaterial to /root with a MaterialAssign node.  

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Using Multiple Display or Sample Filters

You can use PxrSampleFilterCombiner or PxrDisplayFilterCombiner and a ShadingNodeArrayConnector node to combine multiple Sample or Display Filters.