Toon Ramp
The Toon Ramp controls the amount of detail in toon shading. It provides the positions for mapping a range of colors to the Toon material’s Diffuse channel or Specular channel, and the resulting color range is based on the hue set by that respective channel. You can add more positions to increase the number of colors in the range. The Toon Ramp is applied to the Toon Diffuse Ramp or Toon Specular Ramp of a Toon material node. The Toon Ramp can be accessed from the Materials category in the Nodegraph Editor.
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Toon Ramp
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Figure 1: Example of a Toon Ramp
Figure 2: The Toon Ramp from Figure 1 is applied to a Toon Ramp node's Toon Diffuse Ramp
Figure 3: The resulting range of the albedo value with a Toon Ramp applied
Toon Ramp Parameters
Interpolation - This determines how the colors blend.
Figure 4: Constant Interpolation
Figure 5: Linear Interpolation
Interpolation Color Space - The color space in which colors are combined between control points. Physical uses linear values and creates gradients that approximate optical effects in the real world. Perceptual uses the Oklab color space and creates gradients that vary moothly to the human eye.
Start Value - The output value at the 0 position.
End Value - The output value at the 1.0 position.
Position 1 - A position that sets the boundary between the Start Value and the End Value.
Value 1 - The output value at position 1.