Matrix4f (Fiji Javadocs 0-SNAPSHOT API)

java.lang.Object
- spim.vecmath.Matrix4f

All Implemented Interfaces:

Serializable, Cloneable
```
public class Matrix4f
extends Object
implements Serializable, Cloneable
```
A single precision floating point 4 by 4 matrix. Primarily to support 3D rotations.

See Also:

Serialized Form

Field Summary

Fields
Modifier and Type	Field and Description
`float`	`m00` The first element of the first row.
`float`	`m01` The second element of the first row.
`float`	`m02` The third element of the first row.
`float`	`m03` The fourth element of the first row.
`float`	`m10` The first element of the second row.
`float`	`m11` The second element of the second row.
`float`	`m12` The third element of the second row.
`float`	`m13` The fourth element of the second row.
`float`	`m20` The first element of the third row.
`float`	`m21` The second element of the third row.
`float`	`m22` The third element of the third row.
`float`	`m23` The fourth element of the third row.
`float`	`m30` The first element of the fourth row.
`float`	`m31` The second element of the fourth row.
`float`	`m32` The third element of the fourth row.
`float`	`m33` The fourth element of the fourth row.

Constructor Summary

Constructors
Constructor and Description
`Matrix4f()` Constructs and initializes a Matrix4f to all zeros.
`Matrix4f(float[] v)` Constructs and initializes a Matrix4f from the specified 16 element array.
`Matrix4f(float m00, float m01, float m02, float m03, float m10, float m11, float m12, float m13, float m20, float m21, float m22, float m23, float m30, float m31, float m32, float m33)` Constructs and initializes a Matrix4f from the specified 16 values.
`Matrix4f(Matrix3f m1, Vector3f t1, float s)` Constructs and initializes a Matrix4f from the rotation matrix, translation, and scale values; the scale is applied only to the rotational components of the matrix (upper 3x3) and not to the translational components of the matrix.
`Matrix4f(Matrix4d m1)` Constructs a new matrix with the same values as the Matrix4d parameter.
`Matrix4f(Matrix4f m1)` Constructs a new matrix with the same values as the Matrix4f parameter.
`Matrix4f(Quat4f q1, Vector3f t1, float s)` Constructs and initializes a Matrix4f from the quaternion, translation, and scale values; the scale is applied only to the rotational components of the matrix (upper 3x3) and not to the translational components.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method and Description
`void`	`add(float scalar)` Adds a scalar to each component of this matrix.
`void`	`add(float scalar, Matrix4f m1)` Adds a scalar to each component of the matrix m1 and places the result into this.
`void`	`add(Matrix4f m1)` Sets the value of this matrix to the sum of itself and matrix m1.
`void`	`add(Matrix4f m1, Matrix4f m2)` Sets the value of this matrix to the matrix sum of matrices m1 and m2.
`Object`	`clone()` Creates a new object of the same class as this object.
`float`	`determinant()` Computes the determinate of this matrix.
`boolean`	`epsilonEquals(Matrix4f m1, float epsilon)` Returns true if the L-infinite distance between this matrix and matrix m1 is less than or equal to the epsilon parameter, otherwise returns false.
`boolean`	`equals(Matrix4f m1)` Returns true if all of the data members of Matrix4f m1 are equal to the corresponding data members in this Matrix4f.
`boolean`	`equals(Object t1)` Returns true if the Object t1 is of type Matrix4f and all of the data members of t1 are equal to the corresponding data members in this Matrix4f.
`void`	`get(Matrix3d m1)` Performs an SVD normalization of this matrix in order to acquire the normalized rotational component; the values are placed into the Matrix3d parameter.
`void`	`get(Matrix3f m1)` Performs an SVD normalization of this matrix in order to acquire the normalized rotational component; the values are placed into the Matrix3f parameter.
`float`	`get(Matrix3f m1, Vector3f t1)` Performs an SVD normalization of this matrix to calculate the rotation as a 3x3 matrix, the translation, and the scale.
`void`	`get(Quat4f q1)` Performs an SVD normalization of this matrix in order to acquire the normalized rotational component; the values are placed into the Quat4f parameter.
`void`	`get(Vector3f trans)` Retrieves the translational components of this matrix.
`void`	`getColumn(int column, float[] v)` Copies the matrix values in the specified column into the array parameter.
`void`	`getColumn(int column, Vector4f v)` Copies the matrix values in the specified column into the vector parameter.
`float`	`getElement(int row, int column)` Retrieves the value at the specified row and column of this matrix.
`float`	`getM00()` Get the first matrix element in the first row.
`float`	`getM01()` Get the second matrix element in the first row.
`float`	`getM02()` Get the third matrix element in the first row.
`float`	`getM03()` Get the fourth element of the first row.
`float`	`getM10()` Get first matrix element in the second row.
`float`	`getM11()` Get second matrix element in the second row.
`float`	`getM12()` Get the third matrix element in the second row.
`float`	`getM13()` Get the fourth element of the second row.
`float`	`getM20()` Get the first matrix element in the third row.
`float`	`getM21()` Get the second matrix element in the third row.
`float`	`getM22()` Get the third matrix element in the third row.
`float`	`getM23()` Get the fourth element of the third row.
`float`	`getM30()` Get the first element of the fourth row.
`float`	`getM31()` Get the second element of the fourth row.
`float`	`getM32()` Get the third element of the fourth row.
`float`	`getM33()` Get the fourth element of the fourth row.
`void`	`getRotationScale(Matrix3f m1)` Gets the upper 3x3 values of this matrix and places them into the matrix m1.
`void`	`getRow(int row, float[] v)` Copies the matrix values in the specified row into the array parameter.
`void`	`getRow(int row, Vector4f v)` Copies the matrix values in the specified row into the vector parameter.
`float`	`getScale()` Performs an SVD normalization of this matrix to calculate and return the uniform scale factor.
`int`	`hashCode()` Returns a hash code value based on the data values in this object.
`void`	`invert()` Inverts this matrix in place.
`void`	`invert(Matrix4f m1)` Sets the value of this matrix to the matrix inverse of the passed (user declared) matrix m1.
`void`	`mul(float scalar)` Multiplies each element of this matrix by a scalar.
`void`	`mul(float scalar, Matrix4f m1)` Multiplies each element of matrix m1 by a scalar and places the result into this.
`void`	`mul(Matrix4f m1)` Sets the value of this matrix to the result of multiplying itself with matrix m1.
`void`	`mul(Matrix4f m1, Matrix4f m2)` Sets the value of this matrix to the result of multiplying the two argument matrices together.
`void`	`mulTransposeBoth(Matrix4f m1, Matrix4f m2)` Multiplies the transpose of matrix m1 times the transpose of matrix m2, and places the result into this.
`void`	`mulTransposeLeft(Matrix4f m1, Matrix4f m2)` Multiplies the transpose of matrix m1 times matrix m2, and places the result into this.
`void`	`mulTransposeRight(Matrix4f m1, Matrix4f m2)` Multiplies matrix m1 times the transpose of matrix m2, and places the result into this.
`void`	`negate()` Negates the value of this matrix: this = -this.
`void`	`negate(Matrix4f m1)` Sets the value of this matrix equal to the negation of of the Matrix4f parameter.
`void`	`rotX(float angle)` Sets the value of this matrix to a counter clockwise rotation about the x axis.
`void`	`rotY(float angle)` Sets the value of this matrix to a counter clockwise rotation about the y axis.
`void`	`rotZ(float angle)` Sets the value of this matrix to a counter clockwise rotation about the z axis.
`void`	`set(AxisAngle4d a1)` Sets the value of this matrix to the matrix conversion of the double precision axis and angle argument.
`void`	`set(AxisAngle4f a1)` Sets the value of this matrix to the matrix conversion of the (single precision) axis and angle argument.
`void`	`set(float scale)` Sets the value of this matrix to a scale matrix with the the passed scale amount.
`void`	`set(float[] m)` Sets the values in this Matrix4f equal to the row-major array parameter (ie, the first four elements of the array will be copied into the first row of this matrix, etc.).
`void`	`set(float scale, Vector3f t1)` Sets the value of this transform to a scale and translation matrix; the scale is not applied to the translation and all of the matrix values are modified.
`void`	`set(Matrix3d m1)` Sets the rotational component (upper 3x3) of this matrix to the matrix values in the double precision Matrix3d argument; the other elements of this matrix are initialized as if this were an identity matrix (i.e., affine matrix with no translational component).
`void`	`set(Matrix3d m1, Vector3d t1, double scale)` Sets the value of this matrix from the rotation expressed by the rotation matrix m1, the translation t1, and the scale factor.
`void`	`set(Matrix3f m1)` Sets the rotational component (upper 3x3) of this matrix to the matrix values in the single precision Matrix3f argument; the other elements of this matrix are initialized as if this were an identity matrix (i.e., affine matrix with no translational component).
`void`	`set(Matrix3f m1, Vector3f t1, float scale)` Sets the value of this matrix from the rotation expressed by the rotation matrix m1, the translation t1, and the scale factor.
`void`	`set(Matrix4d m1)` Sets the value of this matrix to the float value of the passed matrix4d m1.
`void`	`set(Matrix4f m1)` Sets the value of this matrix to a copy of the passed matrix m1.
`void`	`set(Quat4d q1)` Sets the value of this matrix to the matrix conversion of the double precision quaternion argument.
`void`	`set(Quat4d q1, Vector3d t1, double s)` Sets the value of this matrix from the rotation expressed by the quaternion q1, the translation t1, and the scale s.
`void`	`set(Quat4f q1)` Sets the value of this matrix to the matrix conversion of the single precision quaternion argument.
`void`	`set(Quat4f q1, Vector3f t1, float s)` Sets the value of this matrix from the rotation expressed by the quaternion q1, the translation t1, and the scale s.
`void`	`set(Vector3f v1)` Sets the value of this matrix to a translate matrix with the passed translation value.
`void`	`set(Vector3f t1, float scale)` Sets the value of this transform to a scale and translation matrix; the translation is scaled by the scale factor and all of the matrix values are modified.
`void`	`setColumn(int column, float[] v)` Sets the specified column of this matrix4f to the four values provided.
`void`	`setColumn(int column, float x, float y, float z, float w)` Sets the specified column of this matrix4f to the four values provided.
`void`	`setColumn(int column, Vector4f v)` Sets the specified column of this matrix4f to the vector provided.
`void`	`setElement(int row, int column, float value)` Sets the specified element of this matrix4f to the value provided.
`void`	`setIdentity()` Sets this Matrix4f to identity.
`void`	`setM00(float m00)` Set the first matrix element in the first row.
`void`	`setM01(float m01)` Set the second matrix element in the first row.
`void`	`setM02(float m02)` Set the third matrix element in the first row.
`void`	`setM03(float m03)` Set the fourth element of the first row.
`void`	`setM10(float m10)` Set first matrix element in the second row.
`void`	`setM11(float m11)` Set the second matrix element in the second row.
`void`	`setM12(float m12)` Set the third matrix element in the second row.
`void`	`setM13(float m13)` Set the fourth element of the second row.
`void`	`setM20(float m20)` Set the first matrix element in the third row.
`void`	`setM21(float m21)` Set the second matrix element in the third row.
`void`	`setM22(float m22)` Set the third matrix element in the third row.
`void`	`setM23(float m23)` Set the fourth element of the third row.
`void`	`setM30(float m30)` Set the first element of the fourth row.
`void`	`setM31(float m31)` Set the second element of the fourth row.
`void`	`setM32(float m32)` Set the third element of the fourth row.
`void`	`setM33(float m33)` Set the fourth element of the fourth row.
`void`	`setRotation(AxisAngle4f a1)` Sets the rotational component (upper 3x3) of this matrix to the matrix equivalent values of the axis-angle argument; the other elements of this matrix are unchanged; a singular value decomposition is performed on this object's upper 3x3 matrix to factor out the scale, then this object's upper 3x3 matrix components are replaced by the matrix equivalent of the axis-angle, and then the scale is reapplied to the rotational components.
`void`	`setRotation(Matrix3d m1)` Sets the rotational component (upper 3x3) of this matrix to the matrix values in the double precision Matrix3d argument; the other elements of this matrix are unchanged; a singular value decomposition is performed on this object's upper 3x3 matrix to factor out the scale, then this object's upper 3x3 matrix components are replaced by the passed rotation components, and then the scale is reapplied to the rotational components.
`void`	`setRotation(Matrix3f m1)` Sets the rotational component (upper 3x3) of this matrix to the matrix values in the single precision Matrix3f argument; the other elements of this matrix are unchanged; a singular value decomposition is performed on this object's upper 3x3 matrix to factor out the scale, then this object's upper 3x3 matrix components are replaced by the passed rotation components, and then the scale is reapplied to the rotational components.
`void`	`setRotation(Quat4d q1)` Sets the rotational component (upper 3x3) of this matrix to the matrix equivalent values of the quaternion argument; the other elements of this matrix are unchanged; a singular value decomposition is performed on this object's upper 3x3 matrix to factor out the scale, then this object's upper 3x3 matrix components are replaced by the matrix equivalent of the quaternion, and then the scale is reapplied to the rotational components.
`void`	`setRotation(Quat4f q1)` Sets the rotational component (upper 3x3) of this matrix to the matrix equivalent values of the quaternion argument; the other elements of this matrix are unchanged; a singular value decomposition is performed on this object's upper 3x3 matrix to factor out the scale, then this object's upper 3x3 matrix components are replaced by the matrix equivalent of the quaternion, and then the scale is reapplied to the rotational components.
`void`	`setRotationScale(Matrix3f m1)` Replaces the upper 3x3 matrix values of this matrix with the values in the matrix m1.
`void`	`setRow(int row, float[] v)` Sets the specified row of this matrix4f to the four values provided in the passed array.
`void`	`setRow(int row, float x, float y, float z, float w)` Sets the specified row of this matrix4f to the four values provided.
`void`	`setRow(int row, Vector4f v)` Sets the specified row of this matrix4f to the Vector provided.
`void`	`setScale(float scale)` Sets the scale component of the current matrix by factoring out the current scale (by doing an SVD) from the rotational component and multiplying by the new scale.
`void`	`setTranslation(Vector3f trans)` Modifies the translational components of this matrix to the values of the Vector3f argument; the other values of this matrix are not modified.
`void`	`setZero()` Sets this matrix to all zeros.
`void`	`sub(Matrix4f m1)` Sets this matrix to the matrix difference of itself and matrix m1 (this = this - m1).
`void`	`sub(Matrix4f m1, Matrix4f m2)` Performs an element-by-element subtraction of matrix m2 from matrix m1 and places the result into matrix this (this = m2 - m1).
`String`	`toString()` Returns a string that contains the values of this Matrix4f.
`void`	`transform(Point3f point)` Transforms the point parameter with this Matrix4f and places the result back into point.
`void`	`transform(Point3f point, Point3f pointOut)` Transforms the point parameter with this Matrix4f and places the result into pointOut.
`void`	`transform(Tuple4f vec)` Transform the vector vec using this Transform and place the result back into vec.
`void`	`transform(Tuple4f vec, Tuple4f vecOut)` Transform the vector vec using this Matrix4f and place the result into vecOut.
`void`	`transform(Vector3f normal)` Transforms the normal parameter by this transform and places the value back into normal.
`void`	`transform(Vector3f normal, Vector3f normalOut)` Transforms the normal parameter by this Matrix4f and places the value into normalOut.
`void`	`transpose()` Sets the value of this matrix to its transpose in place.
`void`	`transpose(Matrix4f m1)` Sets the value of this matrix to the transpose of the argument matrix.

Methods inherited from class java.lang.Object
finalize, getClass, notify, notifyAll, wait, wait, wait

- Field Detail
  - m00
```
public float m00
```
    The first element of the first row.
  - m01
```
public float m01
```
    The second element of the first row.
  - m02
```
public float m02
```
    The third element of the first row.
  - m03
```
public float m03
```
    The fourth element of the first row.
  - m10
```
public float m10
```
    The first element of the second row.
  - m11
```
public float m11
```
    The second element of the second row.
  - m12
```
public float m12
```
    The third element of the second row.
  - m13
```
public float m13
```
    The fourth element of the second row.
  - m20
```
public float m20
```
    The first element of the third row.
  - m21
```
public float m21
```
    The second element of the third row.
  - m22
```
public float m22
```
    The third element of the third row.
  - m23
```
public float m23
```
    The fourth element of the third row.
  - m30
```
public float m30
```
    The first element of the fourth row.
  - m31
```
public float m31
```
    The second element of the fourth row.
  - m32
```
public float m32
```
    The third element of the fourth row.
  - m33
```
public float m33
```
    The fourth element of the fourth row.
- Constructor Detail
  - Matrix4f
```
public Matrix4f(float m00,
                float m01,
                float m02,
                float m03,
                float m10,
                float m11,
                float m12,
                float m13,
                float m20,
                float m21,
                float m22,
                float m23,
                float m30,
                float m31,
                float m32,
                float m33)
```
    Constructs and initializes a Matrix4f from the specified 16 values.
    
    Parameters:
    
    m00 - the [0][0] element
    
    m01 - the [0][1] element
    
    m02 - the [0][2] element
    
    m03 - the [0][3] element
    
    m10 - the [1][0] element
    
    m11 - the [1][1] element
    
    m12 - the [1][2] element
    
    m13 - the [1][3] element
    
    m20 - the [2][0] element
    
    m21 - the [2][1] element
    
    m22 - the [2][2] element
    
    m23 - the [2][3] element
    
    m30 - the [3][0] element
    
    m31 - the [3][1] element
    
    m32 - the [3][2] element
    
    m33 - the [3][3] element
  - Matrix4f
```
public Matrix4f(float[] v)
```
    Constructs and initializes a Matrix4f from the specified 16 element array. this.m00 =v[0], this.m01=v[1], etc.
    
    Parameters:
    
    v - the array of length 16 containing in order
  - Matrix4f
```
public Matrix4f(Quat4f q1,
                Vector3f t1,
                float s)
```
    Constructs and initializes a Matrix4f from the quaternion, translation, and scale values; the scale is applied only to the rotational components of the matrix (upper 3x3) and not to the translational components.
    
    Parameters:
    
    q1 - the quaternion value representing the rotational component
    
    t1 - the translational component of the matrix
    
    s - the scale value applied to the rotational components
  - Matrix4f
```
public Matrix4f(Matrix4d m1)
```
    Constructs a new matrix with the same values as the Matrix4d parameter.
    
    Parameters:
    
    m1 - the source matrix
  - Matrix4f
```
public Matrix4f(Matrix4f m1)
```
    Constructs a new matrix with the same values as the Matrix4f parameter.
    
    Parameters:
    
    m1 - the source matrix
  - Matrix4f
```
public Matrix4f(Matrix3f m1,
                Vector3f t1,
                float s)
```
    Constructs and initializes a Matrix4f from the rotation matrix, translation, and scale values; the scale is applied only to the rotational components of the matrix (upper 3x3) and not to the translational components of the matrix.
    
    Parameters:
    
    m1 - the rotation matrix representing the rotational components
    
    t1 - the translational components of the matrix
    
    s - the scale value applied to the rotational components
  - Matrix4f
```
public Matrix4f()
```
    Constructs and initializes a Matrix4f to all zeros.
- Method Detail
  - toString
```
public String toString()
```
    Returns a string that contains the values of this Matrix4f.
    
    Overrides:
    
    toString in class Object
    
    Returns:
    
    the String representation
  - setIdentity
```
public final void setIdentity()
```
    Sets this Matrix4f to identity.
  - setElement
```
public final void setElement(int row,
                             int column,
                             float value)
```
    Sets the specified element of this matrix4f to the value provided.
    
    Parameters:
    
    row - the row number to be modified (zero indexed)
    
    column - the column number to be modified (zero indexed)
    
    value - the new value
  - getElement
```
public final float getElement(int row,
                              int column)
```
    Retrieves the value at the specified row and column of this matrix.
    
    Parameters:
    
    row - the row number to be retrieved (zero indexed)
    
    column - the column number to be retrieved (zero indexed)
    
    Returns:
    
    the value at the indexed element
  - getRow
```
public final void getRow(int row,
                         Vector4f v)
```
    Copies the matrix values in the specified row into the vector parameter.
    
    Parameters:
    
    row - the matrix row
    
    v - the vector into which the matrix row values will be copied
  - getRow
```
public final void getRow(int row,
                         float[] v)
```
    Copies the matrix values in the specified row into the array parameter.
    
    Parameters:
    
    row - the matrix row
    
    v - the array into which the matrix row values will be copied
  - getColumn
```
public final void getColumn(int column,
                            Vector4f v)
```
    Copies the matrix values in the specified column into the vector parameter.
    
    Parameters:
    
    column - the matrix column
    
    v - the vector into which the matrix row values will be copied
  - getColumn
```
public final void getColumn(int column,
                            float[] v)
```
    Copies the matrix values in the specified column into the array parameter.
    
    Parameters:
    
    column - the matrix column
    
    v - the array into which the matrix row values will be copied
  - setScale
```
public final void setScale(float scale)
```
    Sets the scale component of the current matrix by factoring out the current scale (by doing an SVD) from the rotational component and multiplying by the new scale.
    
    Parameters:
    
    scale - the new scale amount
  - get
```
public final void get(Matrix3d m1)
```
    Performs an SVD normalization of this matrix in order to acquire the normalized rotational component; the values are placed into the Matrix3d parameter.
    
    Parameters:
    
    m1 - matrix into which the rotational component is placed
  - get
```
public final void get(Matrix3f m1)
```
    Performs an SVD normalization of this matrix in order to acquire the normalized rotational component; the values are placed into the Matrix3f parameter.
    
    Parameters:
    
    m1 - matrix into which the rotational component is placed
  - get
```
public final float get(Matrix3f m1,
                       Vector3f t1)
```
    Performs an SVD normalization of this matrix to calculate the rotation as a 3x3 matrix, the translation, and the scale. None of the matrix values are modified.
    
    Parameters:
    
    m1 - the normalized matrix representing the rotation
    
    t1 - the translation component
    
    Returns:
    
    the scale component of this transform
  - get
```
public final void get(Quat4f q1)
```
    Performs an SVD normalization of this matrix in order to acquire the normalized rotational component; the values are placed into the Quat4f parameter.
    
    Parameters:
    
    q1 - quaternion into which the rotation component is placed
  - get
```
public final void get(Vector3f trans)
```
    Retrieves the translational components of this matrix.
    
    Parameters:
    
    trans - the vector that will receive the translational component
  - getRotationScale
```
public final void getRotationScale(Matrix3f m1)
```
    Gets the upper 3x3 values of this matrix and places them into the matrix m1.
    
    Parameters:
    
    m1 - the matrix that will hold the values
  - getScale
```
public final float getScale()
```
    Performs an SVD normalization of this matrix to calculate and return the uniform scale factor. If the matrix has non-uniform scale factors, the largest of the x, y, and z scale factors will be returned. This matrix is not modified.
    
    Returns:
    
    the scale factor of this matrix
  - setRotationScale
```
public final void setRotationScale(Matrix3f m1)
```
    Replaces the upper 3x3 matrix values of this matrix with the values in the matrix m1.
    
    Parameters:
    
    m1 - the matrix that will be the new upper 3x3
  - setRow
```
public final void setRow(int row,
                         float x,
                         float y,
                         float z,
                         float w)
```
    Sets the specified row of this matrix4f to the four values provided.
    
    Parameters:
    
    row - the row number to be modified (zero indexed)
    
    x - the first column element
    
    y - the second column element
    
    z - the third column element
    
    w - the fourth column element
  - setRow
```
public final void setRow(int row,
                         Vector4f v)
```
    Sets the specified row of this matrix4f to the Vector provided.
    
    Parameters:
    
    row - the row number to be modified (zero indexed)
    
    v - the replacement row
  - setRow
```
public final void setRow(int row,
                         float[] v)
```
    Sets the specified row of this matrix4f to the four values provided in the passed array.
    
    Parameters:
    
    row - the row number to be modified (zero indexed)
    
    v - the replacement row
  - setColumn
```
public final void setColumn(int column,
                            float x,
                            float y,
                            float z,
                            float w)
```
    Sets the specified column of this matrix4f to the four values provided.
    
    Parameters:
    
    column - the column number to be modified (zero indexed)
    
    x - the first row element
    
    y - the second row element
    
    z - the third row element
    
    w - the fourth row element
  - setColumn
```
public final void setColumn(int column,
                            Vector4f v)
```
    Sets the specified column of this matrix4f to the vector provided.
    
    Parameters:
    
    column - the column number to be modified (zero indexed)
    
    v - the replacement column
  - setColumn
```
public final void setColumn(int column,
                            float[] v)
```
    Sets the specified column of this matrix4f to the four values provided.
    
    Parameters:
    
    column - the column number to be modified (zero indexed)
    
    v - the replacement column
  - add
```
public final void add(float scalar)
```
    Adds a scalar to each component of this matrix.
    
    Parameters:
    
    scalar - the scalar adder
  - add
```
public final void add(float scalar,
                      Matrix4f m1)
```
    Adds a scalar to each component of the matrix m1 and places the result into this. Matrix m1 is not modified.
    
    Parameters:
    
    scalar - the scalar adder
    
    m1 - the original matrix values
  - add
```
public final void add(Matrix4f m1,
                      Matrix4f m2)
```
    Sets the value of this matrix to the matrix sum of matrices m1 and m2.
    
    Parameters:
    
    m1 - the first matrix
    
    m2 - the second matrix
  - add
```
public final void add(Matrix4f m1)
```
    Sets the value of this matrix to the sum of itself and matrix m1.
    
    Parameters:
    
    m1 - the other matrix
  - sub
```
public final void sub(Matrix4f m1,
                      Matrix4f m2)
```
    Performs an element-by-element subtraction of matrix m2 from matrix m1 and places the result into matrix this (this = m2 - m1).
    
    Parameters:
    
    m1 - the first matrix
    
    m2 - the second matrix
  - sub
```
public final void sub(Matrix4f m1)
```
    Sets this matrix to the matrix difference of itself and matrix m1 (this = this - m1).
    
    Parameters:
    
    m1 - the other matrix
  - transpose
```
public final void transpose()
```
    Sets the value of this matrix to its transpose in place.
  - transpose
```
public final void transpose(Matrix4f m1)
```
    Sets the value of this matrix to the transpose of the argument matrix.
    
    Parameters:
    
    m1 - the matrix to be transposed
  - set
```
public final void set(Quat4f q1)
```
    Sets the value of this matrix to the matrix conversion of the single precision quaternion argument.
    
    Parameters:
    
    q1 - the quaternion to be converted
  - set
```
public final void set(AxisAngle4f a1)
```
    Sets the value of this matrix to the matrix conversion of the (single precision) axis and angle argument.
    
    Parameters:
    
    a1 - the axis and angle to be converted
  - set
```
public final void set(Quat4d q1)
```
    Sets the value of this matrix to the matrix conversion of the double precision quaternion argument.
    
    Parameters:
    
    q1 - the quaternion to be converted
  - set
```
public final void set(AxisAngle4d a1)
```
    Sets the value of this matrix to the matrix conversion of the double precision axis and angle argument.
    
    Parameters:
    
    a1 - the axis and angle to be converted
  - set
```
public final void set(Quat4d q1,
                      Vector3d t1,
                      double s)
```
    Sets the value of this matrix from the rotation expressed by the quaternion q1, the translation t1, and the scale s.
    
    Parameters:
    
    q1 - the rotation expressed as a quaternion
    
    t1 - the translation
    
    s - the scale value
  - set
```
public final void set(Quat4f q1,
                      Vector3f t1,
                      float s)
```
    Sets the value of this matrix from the rotation expressed by the quaternion q1, the translation t1, and the scale s.
    
    Parameters:
    
    q1 - the rotation expressed as a quaternion
    
    t1 - the translation
    
    s - the scale value
  - set
```
public final void set(Matrix4d m1)
```
    Sets the value of this matrix to the float value of the passed matrix4d m1.
    
    Parameters:
    
    m1 - the matrix4d to be converted to float
  - set
```
public final void set(Matrix4f m1)
```
    Sets the value of this matrix to a copy of the passed matrix m1.
    
    Parameters:
    
    m1 - the matrix to be copied
  - invert
```
public final void invert(Matrix4f m1)
```
    Sets the value of this matrix to the matrix inverse of the passed (user declared) matrix m1.
    
    Parameters:
    
    m1 - the matrix to be inverted
  - invert
```
public final void invert()
```
    Inverts this matrix in place.
  - determinant
```
public final float determinant()
```
    Computes the determinate of this matrix.
    
    Returns:
    
    the determinate of the matrix
  - set
```
public final void set(Matrix3f m1)
```
    Sets the rotational component (upper 3x3) of this matrix to the matrix values in the single precision Matrix3f argument; the other elements of this matrix are initialized as if this were an identity matrix (i.e., affine matrix with no translational component).
    
    Parameters:
    
    m1 - the single-precision 3x3 matrix
  - set
```
public final void set(Matrix3d m1)
```
    Sets the rotational component (upper 3x3) of this matrix to the matrix values in the double precision Matrix3d argument; the other elements of this matrix are initialized as if this were an identity matrix (i.e., affine matrix with no translational component).
    
    Parameters:
    
    m1 - the double-precision 3x3 matrix
  - set
```
public final void set(float scale)
```
    Sets the value of this matrix to a scale matrix with the the passed scale amount.
    
    Parameters:
    
    scale - the scale factor for the matrix
  - set
```
public final void set(float[] m)
```
    Sets the values in this Matrix4f equal to the row-major array parameter (ie, the first four elements of the array will be copied into the first row of this matrix, etc.).
    
    Parameters:
    
    m - the single precision array of length 16
  - set
```
public final void set(Vector3f v1)
```
    Sets the value of this matrix to a translate matrix with the passed translation value.
    
    Parameters:
    
    v1 - the translation amount
  - set
```
public final void set(float scale,
                      Vector3f t1)
```
    Sets the value of this transform to a scale and translation matrix; the scale is not applied to the translation and all of the matrix values are modified.
    
    Parameters:
    
    scale - the scale factor for the matrix
    
    t1 - the translation amount
  - set
```
public final void set(Vector3f t1,
                      float scale)
```
    Sets the value of this transform to a scale and translation matrix; the translation is scaled by the scale factor and all of the matrix values are modified.
    
    Parameters:
    
    t1 - the translation amount
    
    scale - the scale factor for the matrix
  - set
```
public final void set(Matrix3f m1,
                      Vector3f t1,
                      float scale)
```
    Sets the value of this matrix from the rotation expressed by the rotation matrix m1, the translation t1, and the scale factor. The translation is not modified by the scale.
    
    Parameters:
    
    m1 - the rotation component
    
    t1 - the translation component
    
    scale - the scale component
  - set
```
public final void set(Matrix3d m1,
                      Vector3d t1,
                      double scale)
```
    Sets the value of this matrix from the rotation expressed by the rotation matrix m1, the translation t1, and the scale factor. The translation is not modified by the scale.
    
    Parameters:
    
    m1 - the rotation component
    
    t1 - the translation component
    
    scale - the scale factor
  - setTranslation
```
public final void setTranslation(Vector3f trans)
```
    Modifies the translational components of this matrix to the values of the Vector3f argument; the other values of this matrix are not modified.
    
    Parameters:
    
    trans - the translational component
  - rotX
```
public final void rotX(float angle)
```
    Sets the value of this matrix to a counter clockwise rotation about the x axis.
    
    Parameters:
    
    angle - the angle to rotate about the X axis in radians
  - rotY
```
public final void rotY(float angle)
```
    Sets the value of this matrix to a counter clockwise rotation about the y axis.
    
    Parameters:
    
    angle - the angle to rotate about the Y axis in radians
  - rotZ
```
public final void rotZ(float angle)
```
    Sets the value of this matrix to a counter clockwise rotation about the z axis.
    
    Parameters:
    
    angle - the angle to rotate about the Z axis in radians
  - mul
```
public final void mul(float scalar)
```
    Multiplies each element of this matrix by a scalar.
    
    Parameters:
    
    scalar - the scalar multiplier.
  - mul
```
public final void mul(float scalar,
                      Matrix4f m1)
```
    Multiplies each element of matrix m1 by a scalar and places the result into this. Matrix m1 is not modified.
    
    Parameters:
    
    scalar - the scalar multiplier.
    
    m1 - the original matrix.
  - mul
```
public final void mul(Matrix4f m1)
```
    Sets the value of this matrix to the result of multiplying itself with matrix m1.
    
    Parameters:
    
    m1 - the other matrix
  - mul
```
public final void mul(Matrix4f m1,
                      Matrix4f m2)
```
    Sets the value of this matrix to the result of multiplying the two argument matrices together.
    
    Parameters:
    
    m1 - the first matrix
    
    m2 - the second matrix
  - mulTransposeBoth
```
public final void mulTransposeBoth(Matrix4f m1,
                                   Matrix4f m2)
```
    Multiplies the transpose of matrix m1 times the transpose of matrix m2, and places the result into this.
    
    Parameters:
    
    m1 - the matrix on the left hand side of the multiplication
    
    m2 - the matrix on the right hand side of the multiplication
  - mulTransposeRight
```
public final void mulTransposeRight(Matrix4f m1,
                                    Matrix4f m2)
```
    Multiplies matrix m1 times the transpose of matrix m2, and places the result into this.
    
    Parameters:
    
    m1 - the matrix on the left hand side of the multiplication
    
    m2 - the matrix on the right hand side of the multiplication
  - mulTransposeLeft
```
public final void mulTransposeLeft(Matrix4f m1,
                                   Matrix4f m2)
```
    Multiplies the transpose of matrix m1 times matrix m2, and places the result into this.
    
    Parameters:
    
    m1 - the matrix on the left hand side of the multiplication
    
    m2 - the matrix on the right hand side of the multiplication
  - equals
```
public boolean equals(Matrix4f m1)
```
    Returns true if all of the data members of Matrix4f m1 are equal to the corresponding data members in this Matrix4f.
    
    Parameters:
    
    m1 - the matrix with which the comparison is made.
    
    Returns:
    
    true or false
  - equals
```
public boolean equals(Object t1)
```
    Returns true if the Object t1 is of type Matrix4f and all of the data members of t1 are equal to the corresponding data members in this Matrix4f.
    
    Overrides:
    
    equals in class Object
    
    Parameters:
    
    t1 - the matrix with which the comparison is made.
    
    Returns:
    
    true or false
  - epsilonEquals
```
public boolean epsilonEquals(Matrix4f m1,
                             float epsilon)
```
    Returns true if the L-infinite distance between this matrix and matrix m1 is less than or equal to the epsilon parameter, otherwise returns false. The L-infinite distance is equal to MAX[i=0,1,2,3 ; j=0,1,2,3 ; abs(this.m(i,j) - m1.m(i,j)]
    
    Parameters:
    
    m1 - the matrix to be compared to this matrix
    
    epsilon - the threshold value
  - hashCode
```
public int hashCode()
```
    Returns a hash code value based on the data values in this object. Two different Matrix4f objects with identical data values (i.e., Matrix4f.equals returns true) will return the same hash code value. Two objects with different data members may return the same hash value, although this is not likely.
    
    Overrides:
    
    hashCode in class Object
    
    Returns:
    
    the integer hash code value
  - transform
```
public final void transform(Tuple4f vec,
                            Tuple4f vecOut)
```
    Transform the vector vec using this Matrix4f and place the result into vecOut.
    
    Parameters:
    
    vec - the single precision vector to be transformed
    
    vecOut - the vector into which the transformed values are placed
  - transform
```
public final void transform(Tuple4f vec)
```
    Transform the vector vec using this Transform and place the result back into vec.
    
    Parameters:
    
    vec - the single precision vector to be transformed
  - transform
```
public final void transform(Point3f point,
                            Point3f pointOut)
```
    Transforms the point parameter with this Matrix4f and places the result into pointOut. The fourth element of the point input paramter is assumed to be one.
    
    Parameters:
    
    point - the input point to be transformed.
    
    pointOut - the transformed point
  - transform
```
public final void transform(Point3f point)
```
    Transforms the point parameter with this Matrix4f and places the result back into point. The fourth element of the point input paramter is assumed to be one.
    
    Parameters:
    
    point - the input point to be transformed.
  - transform
```
public final void transform(Vector3f normal,
                            Vector3f normalOut)
```
    Transforms the normal parameter by this Matrix4f and places the value into normalOut. The fourth element of the normal is assumed to be zero.
    
    Parameters:
    
    normal - the input normal to be transformed.
    
    normalOut - the transformed normal
  - transform
```
public final void transform(Vector3f normal)
```
    Transforms the normal parameter by this transform and places the value back into normal. The fourth element of the normal is assumed to be zero.
    
    Parameters:
    
    normal - the input normal to be transformed.
  - setRotation
```
public final void setRotation(Matrix3d m1)
```
    Sets the rotational component (upper 3x3) of this matrix to the matrix values in the double precision Matrix3d argument; the other elements of this matrix are unchanged; a singular value decomposition is performed on this object's upper 3x3 matrix to factor out the scale, then this object's upper 3x3 matrix components are replaced by the passed rotation components, and then the scale is reapplied to the rotational components.
    
    Parameters:
    
    m1 - double precision 3x3 matrix
  - setRotation
```
public final void setRotation(Matrix3f m1)
```
    Sets the rotational component (upper 3x3) of this matrix to the matrix values in the single precision Matrix3f argument; the other elements of this matrix are unchanged; a singular value decomposition is performed on this object's upper 3x3 matrix to factor out the scale, then this object's upper 3x3 matrix components are replaced by the passed rotation components, and then the scale is reapplied to the rotational components.
    
    Parameters:
    
    m1 - single precision 3x3 matrix
  - setRotation
```
public final void setRotation(Quat4f q1)
```
    Sets the rotational component (upper 3x3) of this matrix to the matrix equivalent values of the quaternion argument; the other elements of this matrix are unchanged; a singular value decomposition is performed on this object's upper 3x3 matrix to factor out the scale, then this object's upper 3x3 matrix components are replaced by the matrix equivalent of the quaternion, and then the scale is reapplied to the rotational components.
    
    Parameters:
    
    q1 - the quaternion that specifies the rotation
  - setRotation
```
public final void setRotation(Quat4d q1)
```
    Sets the rotational component (upper 3x3) of this matrix to the matrix equivalent values of the quaternion argument; the other elements of this matrix are unchanged; a singular value decomposition is performed on this object's upper 3x3 matrix to factor out the scale, then this object's upper 3x3 matrix components are replaced by the matrix equivalent of the quaternion, and then the scale is reapplied to the rotational components.
    
    Parameters:
    
    q1 - the quaternion that specifies the rotation
  - setRotation
```
public final void setRotation(AxisAngle4f a1)
```
    Sets the rotational component (upper 3x3) of this matrix to the matrix equivalent values of the axis-angle argument; the other elements of this matrix are unchanged; a singular value decomposition is performed on this object's upper 3x3 matrix to factor out the scale, then this object's upper 3x3 matrix components are replaced by the matrix equivalent of the axis-angle, and then the scale is reapplied to the rotational components.
    
    Parameters:
    
    a1 - the axis-angle to be converted (x, y, z, angle)
  - setZero
```
public final void setZero()
```
    Sets this matrix to all zeros.
  - negate
```
public final void negate()
```
    Negates the value of this matrix: this = -this.
  - negate
```
public final void negate(Matrix4f m1)
```
    Sets the value of this matrix equal to the negation of of the Matrix4f parameter.
    
    Parameters:
    
    m1 - the source matrix
  - clone
```
public Object clone()
```
    Creates a new object of the same class as this object.
    
    Overrides:
    
    clone in class Object
    
    Returns:
    
    a clone of this instance.
    
    Throws:
    
    OutOfMemoryError - if there is not enough memory.
    
    Since:
    
    vecmath 1.3
    
    See Also:
    
    Cloneable
  - getM00
```
public final float getM00()
```
    Get the first matrix element in the first row.
    
    Returns:
    
    Returns the m00.
    
    Since:
    
    vecmath 1.5
  - setM00
```
public final void setM00(float m00)
```
    Set the first matrix element in the first row.
    
    Parameters:
    
    m00 - The m00 to set.
    
    Since:
    
    vecmath 1.5
  - getM01
```
public final float getM01()
```
    Get the second matrix element in the first row.
    
    Returns:
    
    Returns the m01.
    
    Since:
    
    vecmath 1.5
  - setM01
```
public final void setM01(float m01)
```
    Set the second matrix element in the first row.
    
    Parameters:
    
    m01 - The m01 to set.
    
    Since:
    
    vecmath 1.5
  - getM02
```
public final float getM02()
```
    Get the third matrix element in the first row.
    
    Returns:
    
    Returns the m02.
    
    Since:
    
    vecmath 1.5
  - setM02
```
public final void setM02(float m02)
```
    Set the third matrix element in the first row.
    
    Parameters:
    
    m02 - The m02 to set.
    
    Since:
    
    vecmath 1.5
  - getM10
```
public final float getM10()
```
    Get first matrix element in the second row.
    
    Returns:
    
    Returns the m10.
    
    Since:
    
    vecmath 1.5
  - setM10
```
public final void setM10(float m10)
```
    Set first matrix element in the second row.
    
    Parameters:
    
    m10 - The m10 to set.
    
    Since:
    
    vecmath 1.5
  - getM11
```
public final float getM11()
```
    Get second matrix element in the second row.
    
    Returns:
    
    Returns the m11.
    
    Since:
    
    vecmath 1.5
  - setM11
```
public final void setM11(float m11)
```
    Set the second matrix element in the second row.
    
    Parameters:
    
    m11 - The m11 to set.
    
    Since:
    
    vecmath 1.5
  - getM12
```
public final float getM12()
```
    Get the third matrix element in the second row.
    
    Returns:
    
    Returns the m12.
    
    Since:
    
    vecmath 1.5
  - setM12
```
public final void setM12(float m12)
```
    Set the third matrix element in the second row.
    
    Parameters:
    
    m12 - The m12 to set.
    
    Since:
    
    vecmath 1.5
  - getM20
```
public final float getM20()
```
    Get the first matrix element in the third row.
    
    Returns:
    
    Returns the m20.
    
    Since:
    
    vecmath 1.5
  - setM20
```
public final void setM20(float m20)
```
    Set the first matrix element in the third row.
    
    Parameters:
    
    m20 - The m20 to set.
    
    Since:
    
    vecmath 1.5
  - getM21
```
public final float getM21()
```
    Get the second matrix element in the third row.
    
    Returns:
    
    Returns the m21.
    
    Since:
    
    vecmath 1.5
  - setM21
```
public final void setM21(float m21)
```
    Set the second matrix element in the third row.
    
    Parameters:
    
    m21 - The m21 to set.
    
    Since:
    
    vecmath 1.5
  - getM22
```
public final float getM22()
```
    Get the third matrix element in the third row.
    
    Returns:
    
    Returns the m22.
    
    Since:
    
    vecmath 1.5
  - setM22
```
public final void setM22(float m22)
```
    Set the third matrix element in the third row.
    
    Parameters:
    
    m22 - The m22 to set.
    
    Since:
    
    vecmath 1.5
  - getM03
```
public final float getM03()
```
    Get the fourth element of the first row.
    
    Returns:
    
    Returns the m03.
    
    Since:
    
    vecmath 1.5
  - setM03
```
public final void setM03(float m03)
```
    Set the fourth element of the first row.
    
    Parameters:
    
    m03 - The m03 to set.
    
    Since:
    
    vecmath 1.5
  - getM13
```
public final float getM13()
```
    Get the fourth element of the second row.
    
    Returns:
    
    Returns the m13.
    
    Since:
    
    vecmath 1.5
  - setM13
```
public final void setM13(float m13)
```
    Set the fourth element of the second row.
    
    Parameters:
    
    m13 - The m13 to set.
    
    Since:
    
    vecmath 1.5
  - getM23
```
public final float getM23()
```
    Get the fourth element of the third row.
    
    Returns:
    
    Returns the m23.
    
    Since:
    
    vecmath 1.5
  - setM23
```
public final void setM23(float m23)
```
    Set the fourth element of the third row.
    
    Parameters:
    
    m23 - The m23 to set.
    
    Since:
    
    vecmath 1.5
  - getM30
```
public final float getM30()
```
    Get the first element of the fourth row.
    
    Returns:
    
    Returns the m30.
    
    Since:
    
    vecmath 1.5
  - setM30
```
public final void setM30(float m30)
```
    Set the first element of the fourth row.
    
    Parameters:
    
    m30 - The m30 to set.
    
    Since:
    
    vecmath 1.5
  - getM31
```
public final float getM31()
```
    Get the second element of the fourth row.
    
    Returns:
    
    Returns the m31.
    
    Since:
    
    vecmath 1.5
  - setM31
```
public final void setM31(float m31)
```
    Set the second element of the fourth row.
    
    Parameters:
    
    m31 - The m31 to set.
    
    Since:
    
    vecmath 1.5
  - getM32
```
public final float getM32()
```
    Get the third element of the fourth row.
    
    Returns:
    
    Returns the m32.
    
    Since:
    
    vecmath 1.5
  - setM32
```
public final void setM32(float m32)
```
    Set the third element of the fourth row.
    
    Parameters:
    
    m32 - The m32 to set.
    
    Since:
    
    vecmath 1.5
  - getM33
```
public final float getM33()
```
    Get the fourth element of the fourth row.
    
    Returns:
    
    Returns the m33.
    
    Since:
    
    vecmath 1.5
  - setM33
```
public final void setM33(float m33)
```
    Set the fourth element of the fourth row.
    
    Parameters:
    
    m33 - The m33 to set.
    
    Since:
    
    vecmath 1.5

Class Matrix4f

Field Summary

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Field Detail

m00

m01

m02

m03

m10

m11

m12

m13

m20

m21

m22

m23

m30

m31

m32

m33

Constructor Detail

Matrix4f

Matrix4f

Matrix4f

Matrix4f

Matrix4f

Matrix4f

Matrix4f

Method Detail

toString

setIdentity

setElement

getElement

getRow

getRow

getColumn

getColumn

setScale

get

get

get

get

get

getRotationScale

getScale

setRotationScale

setRow

setRow

setRow

setColumn

setColumn

setColumn

add

add

add

add

sub

sub

transpose

transpose

set

set

set

set

set

set

set

set

invert

invert

determinant

set

set

set

set

set

set

set