georegression.struct.affine

Class Affine2D_F32

java.lang.Object

georegression.struct.affine.Affine2D_F32

All Implemented Interfaces:

Affine<Affine2D_F32>, InvertibleTransform<Affine2D_F32>, java.io.Serializable

public class Affine2D_F32
extends java.lang.Object
implements Affine<Affine2D_F32>

2D affine transform for 64-bit floats.

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
float	a11
float	a12
float	a21
float	a22
float	tx
float	ty

Constructor Summary

Constructors

Constructor and Description
Affine2D_F32()
Affine2D_F32(float a11, float a12, float a21, float a22, float tx, float ty)

Method Summary

Modifier and Type	Method and Description
Affine2D_F32	concat(Affine2D_F32 second, Affine2D_F32 ret) Computes a transform which is the equivalent to applying 'this' then the 'second' transform.
Affine2D_F32	copy()
Affine2D_F32	createInstance() Creates a new instance of the same SpecialEuclidean as this class.
int	getDimension() Returns the dimension of the space which this transform operates on.
Affine2D_F32	invert(Affine2D_F32 inverse) Computes a transform which is the inverse of this transform.
void	reset() Sets the transform to its initial state of no transform.
void	set(Affine2D_F32 target) Assigns 'this' to the value of target.
void	set(float a11, float a12, float a21, float a22, float tx, float ty)
java.lang.String	toString()

Methods inherited from class java.lang.Object

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

Field Detail

a11

public float a11

a12

public float a12

a21

public float a21

a22

public float a22

tx

public float tx

ty

public float ty

Constructor Detail

Affine2D_F32

public Affine2D_F32(float a11,
                    float a12,
                    float a21,
                    float a22,
                    float tx,
                    float ty)

Affine2D_F32

public Affine2D_F32()

Method Detail

set

public void set(float a11,
                float a12,
                float a21,
                float a22,
                float tx,
                float ty)

getDimension

public int getDimension()

Description copied from interface: InvertibleTransform

Returns the dimension of the space which this transform operates on.

Specified by:

getDimension in interface InvertibleTransform<Affine2D_F32>

Returns:

space's dimension

createInstance

public Affine2D_F32 createInstance()

Description copied from interface: InvertibleTransform

Creates a new instance of the same SpecialEuclidean as this class.

Specified by:

createInstance in interface InvertibleTransform<Affine2D_F32>

Returns:

A new instance.

set

public void set(Affine2D_F32 target)

Description copied from interface: InvertibleTransform

Assigns 'this' to the value of target.

Specified by:

set in interface InvertibleTransform<Affine2D_F32>

Parameters:

target - The new value of 'this'.

concat

public Affine2D_F32 concat(Affine2D_F32 second,
                           Affine2D_F32 ret)

Description copied from interface: InvertibleTransform

Computes a transform which is the equivalent to applying 'this' then the 'second' transform.

For example:

Point A = tran2( tran1( A ) );
Point A = tran12( A );

where tran12 = tran1.concat( tran2 , null );

NOTE: 'second', 'result', and 'this' must all be unique instances.

Specified by:

concat in interface InvertibleTransform<Affine2D_F32>

Parameters:

second - The second transform which is applied. Not modified.

ret - A transform which is equivalent to applying the first then the second. If null then a new instance is declared. Modified.

Returns:

The equivalent transform.

invert

public Affine2D_F32 invert(Affine2D_F32 inverse)

Description copied from interface: InvertibleTransform

Computes a transform which is the inverse of this transform. The 'this' matrix can be passed in as an input.

Example:
Point A = tran(B);
Point B = inv(A);

where inv = invert( tran );

Specified by:

invert in interface InvertibleTransform<Affine2D_F32>

Parameters:

inverse - Where the inverse will be stored. If null a new instance is created. Modified.

Returns:

The inverse transform.

reset

public void reset()

Description copied from interface: InvertibleTransform

Sets the transform to its initial state of no transform.

Specified by:

reset in interface InvertibleTransform<Affine2D_F32>

copy

public Affine2D_F32 copy()

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object