Transcription of CS 536 Computer Graphics Bezier Curve Drawing Algorithms
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CS 536 Computer Graphics Bezier Curve Drawing Algorithms
1CS 536 Computer GraphicsBezier Curve Drawing AlgorithmsWeek 2, Lecture 3 David Breen, William Regli and Maxim PeysakhovDepartment of Computer ScienceDrexel University2 Outline Drawing of 2D curves De Casteljau algorithm Subdivision algorithm Drawing parametric curves3 The de Casteljau algorithm How to compute a sequence of points that approximates a smooth Curve given a set of control points?
smooth curve given a set of control points? • Developed by Paul de Casteljau at Citroën in the late 1950s • Idea: recursively subdivide the curve and add points to refine the number of control points Pics/Math courtesy of G. Farin @ ASU. 5 Recall: Linear Interpolation • Simple example – interpolating along the line between two points
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Computer, Number, Drawings, Graphics, Algorithm, Curves, Beziers, 536 computer graphics bezier curve drawing algorithms
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