Table of Contents
Quadratic Bezier Triangles As Drawing Primitives
Contents
Problem
Previous Work
Planar Bezier Triangles
Planar Bezier Triangles
Quadratic Bezier Triangles
Quadratic Bezier Triangles
Quadratic Bezier Triangles
Rendering
Rendering
Rendering
Fixed Subdivision Grid
Sphere with 512 quadratic Bezier triangles
Fixed subdivision with 4 layers per quadratic Bezier triangle
Teapot with 442 quadratic Bezier triangles
Fixed subdivision with 8 layers per quadratic Bezier triangle
Variable Subdivision
Variable Subdivision
Subdivision Criteria for Border Grids
User-adjustable Size Control
Maximum number of pixels per difference vector
Border Grids
Area grid
Area grid
The inner area is tessellated
The gaps are filled
Triangulation of gaps
Empty inner area
Optimised CMVS and LMVS
Variable subdivision of sphere
Variable subdivision of teapot
Movie with wire frame of sphere
Movie with texture shaded sphere
Movie with texture shaded teapot
Conclusions
To be done before realization in hardware
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