ij.process

Class EllipseFitter

java.lang.Object

ij.process.EllipseFitter

public class EllipseFitter
extends java.lang.Object

This class fits an ellipse to an ROI.

Field Summary

Fields

Modifier and Type	Field and Description
double	angle Angle in degrees
double	major Length of major axis
double	minor Length of minor axis
int	nCoordinates Initialized by makeRoi()
double	theta Angle in radians
double	xCenter X centroid
int[]	xCoordinates Initialized by makeRoi()
double	yCenter X centroid
int[]	yCoordinates Initialized by makeRoi()

Constructor Summary

Constructors

Constructor and Description
EllipseFitter()

Method Summary

Modifier and Type	Method and Description
void	drawEllipse(ImageProcessor ip) Draws the ellipse on the specified image.
void	fit(ImageProcessor ip, ImageStatistics stats) Fits an ellipse to the current ROI.
void	makeRoi(ImageProcessor ip) Generates the xCoordinates, yCoordinates public arrays that can be used to create an ROI.

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

xCenter

public double xCenter

X centroid

yCenter

public double yCenter

X centroid

major

public double major

Length of major axis

minor

public double minor

Length of minor axis

angle

public double angle

Angle in degrees

theta

public double theta

Angle in radians

xCoordinates

public int[] xCoordinates

Initialized by makeRoi()

yCoordinates

public int[] yCoordinates

Initialized by makeRoi()

nCoordinates

public int nCoordinates

Initialized by makeRoi()

Constructor Detail

EllipseFitter

public EllipseFitter()

Method Detail

fit

public void fit(ImageProcessor ip,
                ImageStatistics stats)

Fits an ellipse to the current ROI. The 'stats' argument, currently not used, can be null. The fit parameters are returned in public fields.

drawEllipse

public void drawEllipse(ImageProcessor ip)

Draws the ellipse on the specified image.

makeRoi

public void makeRoi(ImageProcessor ip)

Generates the xCoordinates, yCoordinates public arrays that can be used to create an ROI.