'Bezier patches' presentation slideshows

CS559: Computer Graphics

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A System for Modeling Flowers Combining Interactive and Procedural Methods

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Last Time

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CS32310 - Lecture 02

CS32310 - Lecture 02. Reyer Zwiggelaar rrz@aber.ac.uk. In This Lecture. Three-dimensional objects Bezier curves and patches. Representation. Polygonal Constructive solid geometry (CSG) Spatial subdivision techniques Implicit representation Bi-cubic parametric patches.

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Parametric Surfaces

Parametric Surfaces. Define points on the surface in terms of two parameters Simplest case: bilinear interpolation. s. x ( s,1 ). P 1,1. P 0,1. x ( s , t ). t. P 0,0. P 1,0. s. x ( s,0 ). Tensor Product Surface Patches. Defined over a rectangular domain

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RASTER CONVERSION ALGORITHMS FOR CURVES: 2D SPLINES

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Tensor Product Bezier Patches

Tensor Product Bezier Patches. Earlier work by de Casteljau (1959-63) Later work by Bezier made them popular for CAGD The simplest tensor product patch is a bilinear patch, based on the concept of bilinear interpolation (fitting simplest surface among 4 points)

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