Object
- Formattable
- - AbstractMathTransform
  - - Inverse

All Implemented Interfaces:

Serializable, MathTransform

Enclosing class:

AbstractMathTransform
```
protected abstract class AbstractMathTransform.Inverse
extends AbstractMathTransform
implements Serializable
```
Default implementation for inverse math transform. This inner class is the inverse of the enclosing MathTransform. It is serializable only if the enclosing math transform is also serializable.

Since:

2.0

Author:

Martin Desruisseaux (IRD)

See Also:

Serialized Form

Nested Class Summary
- Nested classes/interfaces inherited from class AbstractMathTransform
  AbstractMathTransform.Inverse

Field Summary
- Fields inherited from class Formattable
  SINGLE_LINE

Constructor Summary

Constructors
Modifier Constructor Description

protected Inverse()
Constructs an inverse math transform.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`Matrix`	`derivative(Point2D point)`	Gets the derivative of this transform at a point.
`Matrix`	`derivative(Position point)`	Gets the derivative of this transform at a point.
`boolean`	`equals(Object object)`	Compares the specified object with this inverse math transform for equality.
`protected String`	`formatWKT(Formatter formatter)`	Format the inner part of a Well Known Text (WKT) element.
`String`	`getName()`	Returns a name for this math transform (never `null`).
`int`	`getSourceDimensions()`	Gets the dimension of input points.
`int`	`getTargetDimensions()`	Gets the dimension of output points.
`int`	`hashCode()`	Returns a hash code value for this math transform.
`MathTransform`	`inverse()`	Returns the inverse of this math transform, which is the enclosing math transform.
`boolean`	`isIdentity()`	Tests whether this transform does not move any points.

Methods inherited from class AbstractMathTransform
createTransformedShape, ensureNonNull, getParameterDescriptors, getParameterValues, needCopy, normalizeAngle, rollLongitude, transform, transform, transform, transform, transform

Methods inherited from class Formattable
cleanupThreadLocals, toString, toWKT, toWKT, toWKT, toWKT

Methods inherited from class Object
clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface MathTransform
toWKT, transform

- Constructor Detail
  - Inverse
```
protected Inverse()
```
    Constructs an inverse math transform.
- Method Detail
  - getName
```
public String getName()
```
    Returns a name for this math transform (never null). The default implementation returns the direct transform name concatenated with localized flavor (when available) of "(Inverse transform)".
    
    Overrides:
    
    getName in class AbstractMathTransform
    
    Returns:
    
    A name for this math transform (never null).
    
    Since:
    
    2.5
  - getSourceDimensions
```
public int getSourceDimensions()
```
    Gets the dimension of input points. The default implementation returns the dimension of output points of the enclosing math transform.
    
    Specified by:
    
    getSourceDimensions in interface MathTransform
    
    Specified by:
    
    getSourceDimensions in class AbstractMathTransform
    
    Returns:
    
    The dimension of input points.
  - getTargetDimensions
```
public int getTargetDimensions()
```
    Gets the dimension of output points. The default implementation returns the dimension of input points of the enclosing math transform.
    
    Specified by:
    
    getTargetDimensions in interface MathTransform
    
    Specified by:
    
    getTargetDimensions in class AbstractMathTransform
    
    Returns:
    
    The dimension of output points.
  - derivative
```
public Matrix derivative(Point2D point)
                  throws TransformException
```
    Gets the derivative of this transform at a point. The default implementation compute the inverse of the matrix returned by the enclosing math transform.
    
    Overrides:
    
    derivative in class AbstractMathTransform
    
    Parameters:
    
    point - The coordinate point where to evaluate the derivative.
    
    Returns:
    
    The derivative at the specified point as a 2×2 matrix.
    
    Throws:
    
    TransformException - if the derivative can't be evaluated at the specified point.
    
    See Also:
    
    MathTransform2D.derivative(Point2D)
  - derivative
```
public Matrix derivative(Position point)
                  throws TransformException
```
    Gets the derivative of this transform at a point. The default implementation compute the inverse of the matrix returned by the enclosing math transform.
    
    Specified by:
    
    derivative in interface MathTransform
    
    Overrides:
    
    derivative in class AbstractMathTransform
    
    Parameters:
    
    point - The coordinate point where to evaluate the derivative.
    
    Returns:
    
    The derivative at the specified point (never null).
    
    Throws:
    
    TransformException - if the derivative can't be evaluated at the specified point.
  - inverse
```
public MathTransform inverse()
```
    Returns the inverse of this math transform, which is the enclosing math transform. This behavior should not be changed since some implementation assume that the inverse of this is always AbstractMathTransform.this.
    
    Specified by:
    
    inverse in interface MathTransform
    
    Overrides:
    
    inverse in class AbstractMathTransform
    
    Returns:
    
    The inverse transform.
  - isIdentity
```
public boolean isIdentity()
```
    Tests whether this transform does not move any points. The default implementation delegate this tests to the enclosing math transform.
    
    Specified by:
    
    isIdentity in interface MathTransform
    
    Overrides:
    
    isIdentity in class AbstractMathTransform
    
    Returns:
    
    true if this MathTransform is an identity transform; false otherwise.
  - hashCode
```
public int hashCode()
```
    Returns a hash code value for this math transform.
    
    Overrides:
    
    hashCode in class AbstractMathTransform
  - equals
```
public boolean equals(Object object)
```
    Compares the specified object with this inverse math transform for equality. The default implementation tests if object in an instance of the same class than this, and then test their enclosing math transforms.
    
    Overrides:
    
    equals in class AbstractMathTransform
    
    Parameters:
    
    object - The object to compare with this transform.
    
    Returns:
    
    true if the given object is a transform of the same class and if, given identical source position, the transformed position would be the equals.
  - formatWKT
```
protected String formatWKT(Formatter formatter)
```
    Format the inner part of a Well Known Text (WKT) element. If this inverse math transform has any parameter values, then this method format the WKT as in the super-class method. Otherwise this method format the math transform as an "INVERSE_MT" entity.
    
    Overrides:
    
    formatWKT in class AbstractMathTransform
    
    Parameters:
    
    formatter - The formatter to use.
    
    Returns:
    
    The WKT element name, which is "PARAM_MT" or "INVERSE_MT" in the default implementation.
    
    See Also:
    
    Formattable.toWKT(), Formattable.toString()

Class AbstractMathTransform.Inverse

Nested Class Summary

Nested classes/interfaces inherited from class AbstractMathTransform

Field Summary

Fields inherited from class Formattable

Constructor Summary

Method Summary

Methods inherited from class AbstractMathTransform

Methods inherited from class Formattable

Methods inherited from class Object

Methods inherited from interface MathTransform

Constructor Detail

Inverse

Method Detail

getName

getSourceDimensions

getTargetDimensions

derivative

derivative

inverse

isIdentity

hashCode

equals

formatWKT