Displacement Map is toggled off by default.

Default is 0.8

Displacement Map is toggled off by default.

The base color weight.

The base color sets how bright the surface is when lit directly with a white light source (intensity at 100%). It defines which percentage for each component of the RGB spectrum that does not get absorbed when light scatters beneath the surface. Metal normally has a black or very dark base color, however, rusty metals need some base color. A base color map is usually required.

The base component follows an Oren-Nayar reflection model with surface roughness. A value of 0.0 is comparable to a Lambert reflection. Higher values will result in a rougher surface look more suitable for materials like concrete, plaster, or sand.

The specular weight influences the brightness of the specular highlight.

The color the specular reflection is modulated with. Use this color to 'tint' the specular highlight. You should only use colored specular for certain metals, whereas non-metallic surfaces usually have a monochromatic specular color. Non-metallic surfaces normally do not have a colored specular.

Controls the glossiness of the specular reflections. The lower the value, the sharper the reflection. A value of 0 gives you a perfectly sharp mirror reflection, while 1.0 creates reflections that are close to a diffuse reflection. You should connect a map here to get variation in the specular highlight.

The IOR parameter (Index of Refraction) defines the material's Fresnel reflectivity and is by default the angular function used. Effectively the IOR defines the balance between reflections on surfaces facing the viewer and on surface edges. You can see the reflection intensity remains unchanged, but the reflection intensity on the front side changes a lot.

Anisotropy reflects and transmits light with a directional bias and causes materials to appear rougher or glossier in certain directions. The default value for Anisotropy is 0, which means 'isotropic.' As you move the control towards 1.0, the surface is made more anisotropic in the U axis.

Allows light to scatter through the surface, for materials such as glass or water.

This filters the refraction according to the distance traveled by the refracted ray. The longer light travels inside a mesh, the more it is affected by the Transmission Color. Therefore green glass gets a deeper green as rays travel through thicker parts. The effect is exponential and computed with Beer's Law. It is recommended to use light, subtle color values.

Controls the depth into the volume at which the transmission color is realized. Increasing this value makes the volume thinner, which means less absorption and scattering. It is a scale factor so that you can set a transmission color and then tweak the Depth to be appropriate for the size of your object.

Transmission Scatter is suitable for any liquid that is fairly thick or where there is enough of it for scattering to be visible, such as a deep body of water or honey. If you have a glass of water, there is not that much scattering, however, for an ocean, it is required. Other examples include materials like ice, opalescent glass or milky glass.

The directional bias, or anisotropy, of the scattering. The default value of zero gives isotropic scattering so that light is scattered evenly in all directions. Positive values bias the scattering effect forwards, in the direction of the light, while negative values bias the scattering backward, toward the light.

Specifies the Abbe number of the material, which describes how much the index of refraction varies across wavelengths. For glass and diamonds, this is typically in the range of 10 to 70, with lower numbers giving more dispersion. The default value is 0, which turns off dispersion.

The 'blend' between diffuse and subsurface scattering. When set to 1.0, there is only SSS, and when set to 0 it is only Lambert. In most cases, you want this to be 1.0 (full SSS).

The color used to determine the subsurface scattering effect. For example, replicating a skin material would mean setting this to a fleshy color.

The approximate distance up to which light can scatter below the surface, also known as “mean free path” (MFP). This parameter affects the average distance that light might propagate below the surface before scattering back out. This effect on the distance can be specified for each color component separately. Higher values smooth the appearance of the subsurface scattering, while lower values result in a more opaque look.

This attribute is used to coat the material. It acts as a clear-coat layer on top of all other shading effects. The coating is always reflective (with the given roughness) and is assumed to be dielectric, such as the clear-coat layer for car paint or the sheen layer for a skin material. For example, for an extra oily layer or wet skin. Other examples include objects that have been laminated or a protective film over an aluminum cell phone.

This is the color of the coating layer's transparency.

Controls the glossiness of the specular reflections. The lower the value, the sharper the reflection. In the limit, a value of 0 gives you a perfectly sharp mirror reflection, while 1.0 creates reflections that are close to a diffuse reflection. You should connect a map here to get variation in the coat highlight.

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Controls the amount of emitted light. It can create noise, especially if the source of indirect illumination is very small (for example, light bulb geometry).

When enabled, provides the effect of a translucent object being lit from behind (the shading point is 'lit' by the specified fraction of the light hitting the reverse of the object at that point). It is recommended that this only be used with thin objects (single sided geometry) as objects with thickness may render incorrectly.

When enabled, this causes the Standard Surface shader to trace a ray against the background/environment when the maximum GI reflection/refraction depth is met and return the color that is visible in the background/environment in that direction. When the option is disabled, the path is terminated instead and returns black when the maximum depth is reached.

Displacement

Ranges from 0 to 1; defaults to 0.500.

Ranges from 0 to 1; defaults to 0.500.

Ranges from 1 to 64; defaults to 10.

Bump

Ranges from 0 to 10; defaults to 1.000.

While Fastest is very fast, it works better with live procedural layers rather than painted or cached layers.