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3D Perlin noise in 1, 2, 3 or 4 channels.
(float or vectorN): the center-to-peak amplitude of the noise (peak-to-peak amplitude is 2× this value). Default is 1.0.
The center value of the output noise; effectively, this value is added to the result after the Perlin noise is multiplied by amplitude. Default is 0.0.
The name of a vector3-type node specifying the 3D position at which the noise is evaluated. Default is to use the current 3D object-space coordinate.