Package org.anchoranalysis.plugin.points.calculate.ellipse

Class CalculateEllipseLeastSquares

Object

CalculationPart<ObjectWithEllipse,FeatureInputSingleObject>

CalculateEllipseLeastSquares

All Implemented Interfaces:

ResettableCalculation

public class CalculateEllipseLeastSquares
extends CalculationPart<ObjectWithEllipse,FeatureInputSingleObject>

Calculates the best-fit ellipse for an ObjectMask using linear least squares.

This class fits an Ellipse to the center of gravity slice of the input object.

Constructor Summary

Constructors

Constructor	Description
CalculateEllipseLeastSquares()	Creates a new instance of CalculateEllipseLeastSquares.

Method Summary

Modifier and Type	Method	Description
protected boolean	canEqual(Object other)
boolean	equals(Object o)
protected ObjectWithEllipse	execute(FeatureInputSingleObject input)	This performs the actual calculation when needed.
int	hashCode()

Methods inherited from class org.anchoranalysis.feature.calculate.part.CalculationPart

getOrCalculate, hasCachedResult, invalidate

Methods inherited from class java.lang.Object

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

Constructor Details

CalculateEllipseLeastSquares

public CalculateEllipseLeastSquares()

Creates a new instance of CalculateEllipseLeastSquares.

Method Details

execute

protected ObjectWithEllipse execute(FeatureInputSingleObject input)
                             throws FeatureCalculationException

Description copied from class: CalculationPart

This performs the actual calculation when needed. It should only be called once, until CalculationPart.invalidate() is called.

Specified by:

execute in class CalculationPart<ObjectWithEllipse,FeatureInputSingleObject>

Parameters:

input - the input to the calculation.

Returns:

the result of the calculation.

Throws:

FeatureCalculationException - if the calculation cannot be successfully completed.

equals

public boolean equals(Object o)

Specified by:

equals in class CalculationPart<ObjectWithEllipse,FeatureInputSingleObject>

canEqual

protected boolean canEqual(Object other)

hashCode

public int hashCode()

Specified by:

hashCode in class CalculationPart<ObjectWithEllipse,FeatureInputSingleObject>