1. Linear Fractal Mountains 2 step recursive process: –Subdivide chain by creating edge midpoints –Randomly perturb midpoint positions Gen 0: Gen 1: Gen 2: Gen 3:

2. Fractals Self-similar recursive modeling operators Sierpinski Triangle Koch Snowflake

3. Fractal Mountain Surfaces 2 step recursive process –Subdivide triangles at edge midpoints –Randomly perturb midpoint positions Gen 0Gen 1Gen 2

4. Fractal Mountains Summary 2 step recursive process –Topological split at edge midpoints –Random perturbation of midpoint positions Triangle topological split maintains a water-tight connected mesh.