EllipseFitter (ImageJ API)

java.lang.Object

ij.process.EllipseFitter

public class EllipseFitter
extends Object

This class fits an ellipse to an ROI.

Field Summary

Fields
Modifier and Type	Field	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 Description

EllipseFitter()

Method Summary

Modifier and Type	Method	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

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

Field Details
- 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 Details
- EllipseFitter
  
  public EllipseFitter()
Method Details
- 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.