The Cosine Mix node mixes two textures together according to a cosine wave. In Figure 1, a Turbulence texture combines with an RGB Color node using the Cosine Mix texture connected to the Diffuse component of an Octane material. The Mix Amount slider balances the strength of the two textures.



Tool Cosine Mix Texture



Figure 1: The Cosine Mix texture blends a Turbulence and an RGB texture