This is a fractal Worley noise (F2-F1) for mental ray for 3DSMax
Inspired by the book "Texturing and modeling a procedural approach" (Ebert, MusGrave, Peachey, Perlin, Worley) ISBN 1-55860-848-6
Values for DistanceType :
1: Euclidian
2: Manhattan
3: Chessboard
4: Minkowski (r = 0.5)
5: Superquadratic
David Lanier 3D
Plugins & shaders development company
www.dl3d.com.