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

All Methods Instance Methods Concrete Methods
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 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.