Digital Human Hair

  • Basic Settings
    1. Type: Display the type of model currently selected. If “None” is displayed, it means the selected model is not supported by the plugin.
    2. Hair part selection: Select the part of the hair’s texture map you want to edit. Some hair models can contain multiple texture maps.
    3. Activate Hair Color: Select to activate the Digital Human Hair Shader.
      4. Note:

      The hair colors in the Digital Human Hair Shader are composed of different layers, including the Strand Color, Highlight Color A, Highlight Color B, and Spacular Direction layers.

    4. Base Color: Select the color you want for the base color of your hair.

      Default brown hair color.

      Changing the color to white adds a layer of white color on top of the hair’s diffuse map.

    5. Base Color Map Strength: Adjust the strength level of the base color.

      Base Color Map Strength = 0.000

      Base Color Map Strength = 1.000

    6. Specular: Adjust this value to determine the intensity of highlights on the hair, the higher the value the more highlights appear on the hair.

      Specular = 0.000

      Specular = 0.990

    7. Roughness: Change the intensity of the roughness map to determine how much light interacts with the hair’s surface.
    8. Opacity: Changing the visibility settings of the hair, the higher the value the more visible the hair is.

      Opacity = 0.000

      Opacity = 0.800

    9. SSS Strength: Adjust the value of the SSS reflection effect for the selected hair of the character.
  • Strand Color: The strand color settings are used to define the gradient colors from the root to the tip of a hair strand.
    1. Blend Mode: The drop-down list determines the blending method with the Base Color texture by the hair root and tip colors, including Normal, Multiply, Overlay, and Soft Light.
    2. Root Color: Use the color picker to select the color for the hair roots.

       

       

      Before and after changing the hair root color to bright red.
    3. End Color: Use the color picker to select the color for the hair ends.

       

       

      Before and after changing the hair end color to dark blue.
    4. Global Strength: This slider determines the strength of the designated hair root and end colors.

      Global Strength = 0.000

      Global Strength = 1.000

    5. Root Color Strength: You can use this slider to set the tint strength for the hair roots.

      Root Color Strength = 0.000

      Root Color Strength = 1.000

    6. End Color Strength: You can use this slider to set the tint strength for the hair ends.

      End Color Strength = 0.000

      End Color Strength = 1.000

    7. Invert Root and End Color: Use this slider to set the level for inverting the roots and tips dying colors.

       

       

      Before inverting, the hair roots are blue. After inverting, the hair tips are blue.
  • Highlight Color A & B: The highlight color is used to vertically blend highlight color along the strands of the hair mesh.
    1. Blend Mode: This setting determines the blending method with the Base Color texture by the tint color, including Normal, Multiply, Overlay and Soft Light.
    2. Highlight Color A/B: This color setting can be used to tint each hair with a specific color.
    3. Highlight Color A/B Strength: This setting determines the strength of the tint color.

      Highlight Color Strength = 0.200

      Highlight Color Strength = 1.000

    4. Affected Range: Use the three sliders (Min, Midpoint, Max) to adjust and determine the target hair to be highlighted and the range according to the grayscale value on the ID map (0-255).
    5. Overlap End Color (in Strand Color): This slider can be used to mask out and replace the highlight color on the hair end with the End Color in the Strand Color section.

      Overlap End Color = 0.000

      Overlap End Color = 1.000

    6. Invert end to Root Color (in Strand Color): Use this slider to set the level for inverting the mask of the hair roots.
  • Spacular Direction: The hair specularity can be offset to create realistic hair reflectivity, smoothness, and greasiness/moisture.

    The sliders are used to affect the color-mapped areas on the mesh based on the ID Map in the hair’s shader.
    The ... by Black ID sliders are used to adjust the non-white areas, while the ... by White ID sliders are used to adjust the non-black areas.
    1. Rotate Vertical by Black/White ID: Rotate the specularity up and down of the hair.
    2. Rotate Horizontal by Black/White ID: Rotate the specularity left and right of the hair.
    3. Shift by Black/White ID: Move the specularity up and down.