Circle Fit软件

Fits a circle to a set of data points on a plane; returns the circle center (a,b) and radius R.

软件应用简介

This is a robust and accurate circle fit. It works well even if data 

points are observed only within a small arc. This circle fit was proposed by V. Pratt in article “Direct least-squares fitting of algebraic surfaces”, Computer Graphics, Vol. 21, pages 145-152 (1987). It is more stable than the simple Circle Fit by Kasa (file #5557).

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结果示意

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