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.  

Using Multiple Display or Sample Filters

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