RPR_MATERIAL_NODE_MICROFACET_REFRACTION

Usage

Refractive surfaces with roughness, allows smooth glass or rough transmitting surfaces like frosted glass.

Parameters

Input	Name	Type and Range	Brief Explanation
RPR_MATERIAL_INPUT_COLOR	color	Color	Refraction color. White is perfectly transparent.
RPR_MATERIAL_INPUT_NORMAL	normal	Vector	Normal direction used for shading.
RPR_MATERIAL_INPUT_IOR	ior	Float	Index of refraction, usually 1-5.
RPR_MATERIAL_INPUT_ROUGHNESS	roughness	Float 0-1	Refraction roughness.
RPR_MATERIAL_INPUT_CAUSTICS	caustics	0 or 1	Whether or not caustics are calculated through this surface.