GtoA {conicfit}

Conversion of geometric parameters to algebraic parameters

Description

GtoA converts geometric parameters (A, B, C, D, E, F) to algebraic parameters (Center(1:2), Axes(1:2), Angle).

Usage

GtoA(ParG)

Arguments

ParG

list with geometric parameters (A, B, C, D, E, F)

Value

ParA

vector or array with algebraic parameters (Center(1:2), Axes(1:2), Angle)

Author(s)

Jose Gama

Source

Nikolai Chernov, 2014 Fitting ellipses, circles, and lines by least squares http://people.cas.uab.edu/~mosya/cl/

Nikolai Chernov, 2010 Circular and linear regression: Fitting circles and lines by least squares Chapman & Hall/CRC, Monographs on Statistics and Applied Probability, Volume 117

References

Nikolai Chernov, 2014 Fitting ellipses, circles, and lines by least squares http://people.cas.uab.edu/~mosya/cl/

Nikolai Chernov, 2010 Circular and linear regression: Fitting circles and lines by least squares Chapman & Hall/CRC, Monographs on Statistics and Applied Probability, Volume 117

Examples

GtoA(c(0,0,20,60,45))