What is Modeling?
Model Types
Explicit Surfaces
Polygons
Low tessilation.
Higher tessilation.
Low tessilation without facets visible.
High tessilation without facets visible.
Curved Patches
Spline Patches
A splined patch.
Implicit Surfaces
Iso Surfaces
Iso surface.
Potential Functions
Blobbies.
Schematic for potential function model.
The image from the model.
They can be drawn with lines too.
Constructive Solid Geometry (CSG)
OR
AND
Minus
Minus
XOR
Simple CSG example.
More complicated CSG example.
Space Subdivision
Octrees
Quad tree.
Quad tree.
Quad tree.
Quad tree.
Octree in action.
Octree in action.
Binary Space Subdivision (BSP) Trees
Procedural Models
Fractals
Fractal example.
Fractal example.
Fractal example.
Fractal example.
Fancy picture that included fractal modeling.
Graftals
Graftals in action.
Particle Systems
Particle systems example.
Other Modeling Issues
Level of Detail
Large, fine detail.
Small, fine detail.
Large, course detail.
Small, course detail.