Houdini - LOPS
Solaris is the umbrella name for Houdini’s scene building, layout, lighting, and rendering tools based on the Universal Scene Description (USD) framework. LOP (lighting operator) nodes generate USD describing characters, props, lighting, and rendering.
Render Geometry Settings
Applies renderer-specific geometry settings to geometry in the scene graph.
Using a mtlxuniform_edf and a render geometry settings node to render an unshaded color material