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Mathematica : Perlin like distribution on a sphere

  1. Sep 20, 2011 #1
    I need to generate a set of random points on an unit sphere, using Mathematica. I can do it for a simple homogeneous (i.e. uniform) distribution of points using the following coordinates :

    RandomPoints[u_, phi_] := {Sqrt[1 - u^2] Cos[phi], Sqrt[1 - u^2] Sin[phi], u},

    with uniform random variables u in [-1, 1] and phi in [0, 2 Pi].

    However, I would like to define a distribution that feels more "natural", i.e. Perlin-like (take note that I don't know how to define "Perlin noise", mathematically).

    What do you suggest ?
  2. jcsd
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