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Show approximation of circles and ellipses #7

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mgeier opened this issue Nov 19, 2022 · 0 comments
Open

Show approximation of circles and ellipses #7

mgeier opened this issue Nov 19, 2022 · 0 comments

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@mgeier
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mgeier commented Nov 19, 2022 •
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(non-rational) Polynomial curves cannot exactly represent circles and ellipses, but they can be used to approximate them:
https://en.wikipedia.org/wiki/Composite_B%C3%A9zier_curve#Approximating_circular_arcs

http://spencermortensen.com/articles/bezier-circle/

https://www.tinaja.com/glib/ellipse4.pdf

See also Salomon, David; Curves and Surfaces for Computer Graphics; 2007; appendix B.
@mgeier mgeier changed the title Show approximation of circles an ellipses Show approximation of circles and ellipses Nov 19, 2022
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