Modeling of Clouds

Specification:

center position, radius, density

Cloud Surface:

isosurface of metaballs

Field function:

degree 6 with respect to radius

2. polygonizing surfaces(Marching Cube method)

3. Generate balls on surface

1. Input initial metaballs

Co

Co

1

2

isosurface

Metaball

Modeling Algorithm

Nishita SIGGRAPH95

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