Fractal:

Path: Common/General

% Generates fractals. 
 Pass a vertex list, face list, depth of the fractal
 generation and the standard deviation of the height increment. This 
 routine requires that the face list contain only triangles. The algorithm
 adds new vertices at each midpoint displaced in the direction of the 
 triangle normal a random amount determined by sigma. Each pass generates
 7 triangles for each existing triangle.

   Type Fractal for a demo.
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   -------
   Inputs
   -------
   v           (:,3) Vertex list
   f           (:,3) Face list
   n           (1,1) Fractal depth
   sigma       (1,1) Standard deviation of height change

   -------
   Outputs
   -------
   v           (:,3) Vertex list
   f           (:,3) Face list

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Children:

Common: General/DeBlankLT
Common: Graphics/NewFig
Common: Graphics/PltStyle
Common: Graphics/XLabelS
Common: Graphics/YLabelS
Common: Graphics/ZLabelS

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