![]() ![]() Use Roughness – The base and coat reflection layers as well as the Sheen will use Roughness values. A value of 1.0 means perfectly smooth surface, while a value of 0.0. Use Glossiness – The base and coat reflection layers as well as the Sheen will use Glossiness values. Surface Control – Changes the behavior of all material parameters controlling the surface smoothness: ![]() For more information, please see the GTR tail falloff example below. This parameter does not affect the size of the actual highlight - this is controlled by the Reflect glossiness paramater. Hi gher values such as the default make the highlights sharper, while lower values make the transition more subtle. It allows fine tuning of the specular reflections by controlling the transition from highlighted to non-highlighted areas. GTR Tail Falloff – Active only when the BRDF is set to GGX. The Metalness texture map should be considered a mask between two different types of materials: dielectric or conductive. This parameter can be used with PBR setups coming from other applications. Note that any intermediate value between 0.0 and 1.0 does not correspond to a physical material. Metalness * – Controls the reflection model of the material from dielectric (metalness 0.0) to metallic (metalness 1.0). Enable for finer control over the Reflection IOR. Reflection IOR * – When disabled, the Refraction IOR is used as Reflection IOR. For more information, please see the Fresnel Option example below. Note that the Fresnel effect depends on the index of refraction as well. glass, etc.) reflect light in this manner. Use the Subdivs parameter below to control the quality of glossy reflections.įresnel – When enabled, the reflection strength depends on the viewing angle of the surface. A value of 0.0 means perfect mirror-like reflection higher values produce blurry or glossy reflections. Reflection Roughness – Available when the Surface control option is set to Use Roughness. For more information, please see the Reflection Glossiness Parameter example below. Use the Subdivs parameter below to control the quality of glossy reflections. A value of 1.0 means perfect mirror-like reflection lower values produce blurry or glossy reflections. Reflection Glossiness * – Available when the Surface control option is set to Use Glossiness. For more information, please see the Reflection Color Parameter example below. Note that the reflection color dims the diffuse surface color based on the Energy preservation option. Reflection Color – Specifies the reflection color. Reflection – Enables reflection of the material. Some options are available only in Advanced mode.
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