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Direction Angle

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Angle difference between surface normal and a direction. There are two methods of measuring angle:

  • Threshold

    threshold Simple binary cutoff based on an angle threshold.

  • Range

    range Fade values between a minimum and maximum angle.

Outputs

  • Point Output: Output as point attribute, this will ignore sharp edges.
  • Face Corner Output: Output as face corner attribute. This will respect sharp edges.
  • Color: Output as face corner color (used for visualisation).

Settings

  • Space: Coordinate space of direction vector:
    • Local.
    • Global.
  • Direction: Direction to measure angle against.
  • Both Directions: Also measure the reverse direction and choose the maximum value.
  • Angle Type: How the angle to the direction is measured:
    • Threshold: Simple binary cutoff based on an angle threshold.
    • Range: Fade values between a minimum and maximum angle value
  • Threshold: Angle threshold for normals. Normals that are within this range of the direction will be white, others will be black.
  • Min Angle: Normals within this angle of the direction will be white.
  • Max Angle: Normals between the min and max angle will interpolate smoothly transition from white to black.
  • Invert Value: Invert the attribute.