OctaneRender® for Blender

The Polygon Side node assigns black or white values based on a Polygon object's normal direction. This is useful for assigning different Textures or Materials to different sides of a Polygon object (figure 1).

Figure 1: A Polygon Side node controling a Mix texture node 

The result connects to the OctaneRender material's Diffuse channel, which is applied to a twisted polygon (figure 2).

Figure 2: A twisted surface using the Polygon Side node

Polygon Side Parameters

Invert - If switched off, the front side is white and the back side is black. If switched on, the front side is black and the back side is white.