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Materials

There are nine types of MaterialsA set of attributes or parameters that describe surface characteristics. available in OctaneRender^®:

• DiffuseAmount of diffusion, or the reflection of light photons at different angles from an uneven or granular surface. Used for dull, non-reflecting materials or mesh emitters. - Used for dull, non-reflecting Materials or Mesh emitters.
• Composite - Mixes several Materials using masks.
• GlossyThe measure of how well light is reflected from a surface in the specular direction, the amount and way in which the light is spread around the specular direction, and the change in specular reflection as the specular angle changes. Used for shiny materials such as plastics or metals. - Used for shiny Materials such as plastics or metals.
• SpecularAmount of specular reflection, or the mirror-like reflection of light photons at the same angle. Used for transparent materials such as glass and water. - Used for transparent Materials such as glass and water.
• Metallic - Similar to the Glossy materialUsed for shiny materials such as plastics or metals., except by default it exhibits more metal-like characteristics.
• Mix - Mixes any two MaterialThe representation of the surface or volume properties of an object. types.
• PortalA technique that assists the render kernel with exterior light sources that illuminate interiors. In interior renderings with windows, it is difficult for the path tracer to find light from the outside environment and optimally render the scene. Portals are planes that are added to the scene with the Portal material applied to them. - Designates openings in scenes to allow the render kernel to better sample light from those areas. For more information, see the Lighting topic in this manual.
• Toon - Designs surfaces that look hand-drawn.
• Universal - Integrates more closely with PBRA contemporary shading and rendering process that seeks to simplify shading characteristics while providing a more accurate representation of lighting in the real world. workflows.

The Universal material with the PBR workflow is fast becoming the standard and can replicated a wide variety of materials.

Figure 1: The four common OctaneRender^® materials are Diffuse, Glossy, Specular, and Metallic

You can access the OctaneRender^® Materials by expanding the OctaneRender rollout in the Materials section of the Slate Material Editor.

Figure 2: Editing Materials in the Slate Material Editor

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