java.lang.Object
javax.vecmath.Matrix4d
- All Implemented Interfaces:
Serializable
,Cloneable
- Direct Known Subclasses:
TMatrix4d
A double precision floating point 4 by 4 matrix.
- Version:
- specification 1.1, implementation $Revision: 1.15 $, $Date: 1999/10/05 07:03:50 $
- Author:
- Kenji hiranabe
- See Also:
-
Field Summary
FieldsModifier and TypeFieldDescriptiondouble
The first element of the first row.double
The second element of the first row.double
third element of the first row.double
The fourth element of the first row.double
The first element of the second row.double
The second element of the second row.double
The third element of the second row.double
The fourth element of the second row.double
The first element of the third row.double
The second element of the third row.double
The third element of the third row.double
The fourth element of the third row.double
The first element of the fourth row.double
The second element of the fourth row.double
The third element of the fourth row.double
The fourth element of the fourth row. -
Constructor Summary
ConstructorsConstructorDescriptionMatrix4d()
Constructs and initializes a Matrix4d to all zeros.Matrix4d
(double[] v) Constructs and initializes a Matrix4d from the specified 16 element array.Matrix4d
(double m00, double m01, double m02, double m03, double m10, double m11, double m12, double m13, double m20, double m21, double m22, double m23, double m30, double m31, double m32, double m33) Constructs and initializes a Matrix4d from the specified 16 values.Constructs and initializes a Matrix4d 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.Constructs and initializes a Matrix4d 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.Constructs a new matrix with the same values as the Matrix4d parameter.Constructs a new matrix with the same values as the Matrix4f parameter.Constructs and initializes a Matrix4d 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.Constructs and initializes a Matrix4d 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
Modifier and TypeMethodDescriptionfinal void
add
(double scalar) Adds a scalar to each component of this matrix.final void
Adds a scalar to each component of the matrix m1 and places the result into this.final void
Sets the value of this matrix to sum of itself and matrix m1.final void
Sets the value of this matrix to the matrix sum of matrices m1 and m2.clone()
final double
Computes the determinant of this matrix.boolean
epsilonEquals
(Matrix4d m1, double 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
epsilonEquals
(Matrix4d m1, float epsilon) Deprecated.As of Java3D API1.1 Beta02boolean
Returns true if the Object o1 is of type Matrix4d and all of the data members of t1 are equal to the corresponding data members in this Matrix4d.boolean
Returns true if all of the data members of Matrix4d m1 are equal to the corresponding data members in this Matrix4d.final void
Performs an SVD normalization of this matrix in order to acquire the normalized rotational component; the values are placed into the Matrix3d parameter.final double
Performs an SVD normalization of this matrix to calculate the rotation as a 3x3 matrix, the translation, and the scale.final void
Performs an SVD normalization of this matrix in order to acquire the normalized rotational component; the values are placed into the Matrix3f parameter.final double
Performs an SVD normalization of this matrix to calculate the rotation as a 3x3 matrix, the translation, and the scale.final void
Performs an SVD normalization of this matrix in order to acquire the normalized rotational component; the values are placed into the Quat4f parameter.final void
Performs an SVD normalization of this matrix in order to acquire the normalized rotational component; the values are placed into the Quat4f parameter.final void
Retrieves the translational components of this matrix.final void
getColumn
(int column, double[] v) Copies the matrix values in the specified column into the array parameter.final void
Copies the matrix values in the specified column into the vector parameter.final double
getElement
(int row, int column) Retrieves the value at the specified row and column of this matrix.final void
Gets the upper 3x3 values of this matrix and places them into the matrix m1.final void
Gets the upper 3x3 values of this matrix and places them into the matrix m1.final void
getRow
(int row, double[] v) Copies the matrix values in the specified row into the array parameter.final void
Copies the matrix values in the specified row into the vector parameter.final double
getScale()
Performs an SVD normalization of this matrix to calculate and return the uniform scale factor.int
hashCode()
Returns a hash number based on the data values in this object.final void
invert()
Sets the value of this matrix to its inverse.final void
Sets the value of this matrix to the matrix inverse of the passed matrix m1.final void
mul
(double scalar) Multiplies each element of this matrix by a scalar.final void
Multiplies each element of matrix m1 by a scalar and places the result into this.final void
Sets the value of this matrix to the result of multiplying itself with matrix m1.final void
Sets the value of this matrix to the result of multiplying the two argument matrices together.final void
mulTransposeBoth
(Matrix4d m1, Matrix4d m2) Multiplies the transpose of matrix m1 times the transpose of matrix m2, and places the result into this.final void
mulTransposeLeft
(Matrix4d m1, Matrix4d m2) Multiplies the transpose of matrix m1 times matrix m2, and places the result into this.final void
mulTransposeRight
(Matrix4d m1, Matrix4d m2) Multiplies matrix m1 times the transpose of matrix m2, and places the result into this.final void
negate()
Negates the value of this matrix: this = -this.final void
Sets the value of this matrix equal to the negation of of the Matrix4d parameter.final void
rotX
(double angle) Sets the value of this matrix to a rotation matrix about the x axis by the passed angle.final void
rotY
(double angle) Sets the value of this matrix to a rotation matrix about the y axis by the passed angle.final void
rotZ
(double angle) Sets the value of this matrix to a rotation matrix about the z axis by the passed angle.final void
set
(double scale) Sets the value of this matrix to a scale matrix with the passed scale amount.final void
set
(double[] m) Sets the values in this Matrix4d 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.).final void
Sets the value of this matrix to a scale and translation matrix; scale is not applied to the translation and all of the matrix values are modified.final void
set
(AxisAngle4d a1) Sets the value of this matrix to the matrix conversion of the double precision axis and angle argument.final void
set
(AxisAngle4f a1) Sets the value of this matrix to the matrix conversion of the single precision axis and angle argument.final void
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 (ie, affine matrix with no translational component).final void
Sets the value of this matrix from the rotation expressed by the rotation matrix m1, the translation t1, and the scale s.final void
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 (ie, affine matrix with no translational component).final void
Sets the value of this matrix from the rotation expressed by the rotation matrix m1, the translation t1, and the scale s.final void
Sets the value of this matrix to a copy of the passed matrix m1.final void
Sets the value of this matrix to the double value of the passed matrix4f.final void
Sets the value of this matrix to the matrix conversion of the (double precision) quaternion argument.final void
Sets the value of this matrix from the rotation expressed by the quaternion q1, the translation t1, and the scale s.final void
Sets the value of this matrix to the matrix conversion of the single precision quaternion argument.final void
Sets the value of this matrix from the rotation expressed by the quaternion q1, the translation t1, and the scale s.final void
Sets the value of this matrix from the rotation expressed by the quaternion q1, the translation t1, and the scale s.final void
Sets the value of this matrix to a translate matrix by the passed translation value.final void
Sets the value of this matrix to a scale and translation matrix; the translation is scaled by the scale factor and all of the matrix values are modified.final void
setColumn
(int column, double[] v) Sets the specified column of this matrix4d to the four values provided.final void
setColumn
(int column, double x, double y, double z, double w) Sets the specified column of this matrix4d to the four values provided.final void
Sets the specified column of this matrix4d to the vector provided.final void
setElement
(int row, int column, double value) Sets the specified element of this matrix4d to the value provided.final void
Sets this Matrix4d to identity.final void
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.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.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.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.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.final void
Replaces the upper 3x3 matrix values of this matrix with the values in the matrix m1.final void
Replaces the upper 3x3 matrix values of this matrix with the values in the matrix m1.final void
setRow
(int row, double[] v) Sets the specified row of this matrix4d to the four values provided.final void
setRow
(int row, double x, double y, double z, double w) Sets the specified row of this matrix4d to the four values provided.final void
Sets the specified row of this matrix4d to the Vector provided.final void
setScale
(double 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.final void
setTranslation
(Vector3d trans) Modifies the translational components of this matrix to the values of the Vector3d argument; the other values of this matrix are not modified.final void
setZero()
Sets this matrix to all zeros.final void
Sets the value of this matrix to the matrix difference of itself and matrix m1 (this = this - m1).final void
Sets the value of this matrix to the matrix difference of matrices m1 and m2.toString()
Returns a string that contains the values of this Matrix4d.final void
Transforms the point parameter with this Matrix4d and places the result back into point.final void
Transforms the point parameter with this Matrix4d and places the result into pointOut.final void
Transforms the point parameter with this Matrix4d and places the result back into point.final void
Transforms the point parameter with this Matrix4d and places the result into pointOut.final void
Transform the vector vec using this Matrix4d and place the result back into vec.final void
Transform the vector vec using this Matrix4d and place the result into vecOut.final void
Transform the vector vec using this Matrix4d and place the result back into vec.final void
Transform the vector vec using this Matrix4d and place the result into vecOut.final void
Transforms the normal parameter by this transform and places the value back into normal.final void
Transforms the normal parameter by this Matrix4d and places the value into normalOut.final void
Transforms the normal parameter by this transform and places the value back into normal.final void
Transforms the normal parameter by this Matrix4d and places the value into normalOut.final void
Sets the value of this matrix to its transpose.final void
Sets the value of this matrix to the transpose of the argument matrix
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Field Details
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m00
public double m00The first element of the first row. -
m01
public double m01The second element of the first row. -
m02
public double m02third element of the first row. -
m03
public double m03The fourth element of the first row. -
m10
public double m10The first element of the second row. -
m11
public double m11The second element of the second row. -
m12
public double m12The third element of the second row. -
m13
public double m13The fourth element of the second row. -
m20
public double m20The first element of the third row. -
m21
public double m21The second element of the third row. -
m22
public double m22The third element of the third row. -
m23
public double m23The fourth element of the third row. -
m30
public double m30The first element of the fourth row. -
m31
public double m31The second element of the fourth row. -
m32
public double m32The third element of the fourth row. -
m33
public double m33The fourth element of the fourth row.
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Constructor Details
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Matrix4d
public Matrix4d(double m00, double m01, double m02, double m03, double m10, double m11, double m12, double m13, double m20, double m21, double m22, double m23, double m30, double m31, double m32, double m33) Constructs and initializes a Matrix4d from the specified 16 values.- Parameters:
m00
- the [0][0] elementm01
- the [0][1] elementm02
- the [0][2] elementm03
- the [0][3] elementm10
- the [1][0] elementm11
- the [1][1] elementm12
- the [1][2] elementm13
- the [1][3] elementm20
- the [2][0] elementm21
- the [2][1] elementm22
- the [2][2] elementm23
- the [2][3] elementm30
- the [3][0] elementm31
- the [3][1] elementm32
- the [3][2] elementm33
- the [3][3] element
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Matrix4d
public Matrix4d(double[] v) Constructs and initializes a Matrix4d 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
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Matrix4d
Constructs and initializes a Matrix4d 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 componentt1
- The translational component of the matrixs
- The scale value applied to the rotational components
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Matrix4d
Constructs and initializes a Matrix4d 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 componentt1
- The translational component of the matrixs
- The scale value applied to the rotational components
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Matrix4d
Constructs a new matrix with the same values as the Matrix4d parameter.- Parameters:
m1
- The source matrix.
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Matrix4d
Constructs a new matrix with the same values as the Matrix4f parameter.- Parameters:
m1
- The source matrix.
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Matrix4d
Constructs and initializes a Matrix4d 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.- Parameters:
m1
- The rotation matrix representing the rotational componentst1
- The translational components of the matrixs
- The scale value applied to the rotational components
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Matrix4d
Constructs and initializes a Matrix4d 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.- Parameters:
m1
- The rotation matrix representing the rotational componentst1
- The translational components of the matrixs
- The scale value applied to the rotational components
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Matrix4d
public Matrix4d()Constructs and initializes a Matrix4d to all zeros.
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Method Details
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toString
Returns a string that contains the values of this Matrix4d. -
setIdentity
public final void setIdentity()Sets this Matrix4d to identity. -
setElement
public final void setElement(int row, int column, double value) Sets the specified element of this matrix4d 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
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getElement
public final double 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
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get
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
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get
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
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get
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 rotationt1
- The translation component- Returns:
- The scale component of this transform
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get
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 rotationt1
- The translation component- Returns:
- The scale component of this transform
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get
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
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get
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
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get
Retrieves the translational components of this matrix.- Parameters:
trans
- the vector that will receive the translational component
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getRotationScale
Gets the upper 3x3 values of this matrix and places them into the matrix m1.- Parameters:
m1
- The matrix that will hold the values
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getRotationScale
Gets the upper 3x3 values of this matrix and places them into the matrix m1.- Parameters:
m1
- The matrix that will hold the values
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getScale
public final double getScale()Performs an SVD normalization of this matrix to calculate and return the uniform scale factor. This matrix is not modified.- Returns:
- the scale factor of this matrix
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setRotationScale
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
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setRotationScale
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
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setScale
public final void setScale(double 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
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setRow
public final void setRow(int row, double x, double y, double z, double w) Sets the specified row of this matrix4d to the four values provided.- Parameters:
row
- the row number to be modified (zero indexed)x
- the first column elementy
- the second column elementz
- the third column elementw
- the fourth column element
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setRow
Sets the specified row of this matrix4d to the Vector provided.- Parameters:
row
- the row number to be modified (zero indexed)v
- the replacement row
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setRow
public final void setRow(int row, double[] v) Sets the specified row of this matrix4d to the four values provided.- Parameters:
row
- the row number to be modified (zero indexed)v
- the replacement row
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getRow
Copies the matrix values in the specified row into the vector parameter.- Parameters:
row
- the matrix rowv
- The vector into which the matrix row values will be copied
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getRow
public final void getRow(int row, double[] v) Copies the matrix values in the specified row into the array parameter.- Parameters:
row
- the matrix rowv
- The array into which the matrix row values will be copied
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setColumn
public final void setColumn(int column, double x, double y, double z, double w) Sets the specified column of this matrix4d to the four values provided.- Parameters:
column
- the column number to be modified (zero indexed)x
- the first row elementy
- the second row elementz
- the third row elementw
- the fourth row element
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setColumn
Sets the specified column of this matrix4d to the vector provided.- Parameters:
column
- the column number to be modified (zero indexed)v
- the replacement column
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setColumn
public final void setColumn(int column, double[] v) Sets the specified column of this matrix4d to the four values provided.- Parameters:
column
- the column number to be modified (zero indexed)v
- the replacement column
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getColumn
Copies the matrix values in the specified column into the vector parameter.- Parameters:
column
- the matrix columnv
- The vector into which the matrix column values will be copied
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getColumn
public final void getColumn(int column, double[] v) Copies the matrix values in the specified column into the array parameter.- Parameters:
column
- the matrix columnv
- The array into which the matrix column values will be copied
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add
public final void add(double scalar) Adds a scalar to each component of this matrix.- Parameters:
scalar
- The scalar adder.
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add
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.
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add
Sets the value of this matrix to the matrix sum of matrices m1 and m2.- Parameters:
m1
- the first matrixm2
- the second matrix
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add
Sets the value of this matrix to sum of itself and matrix m1.- Parameters:
m1
- the other matrix
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sub
Sets the value of this matrix to the matrix difference of matrices m1 and m2.- Parameters:
m1
- the first matrixm2
- the second matrix
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sub
Sets the value of this matrix to the matrix difference of itself and matrix m1 (this = this - m1).- Parameters:
m1
- the other matrix
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transpose
public final void transpose()Sets the value of this matrix to its transpose. -
transpose
Sets the value of this matrix to the transpose of the argument matrix- Parameters:
m1
- the matrix to be transposed
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set
public final void set(double[] m) Sets the values in this Matrix4d 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.). -
set
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 (ie, affine matrix with no translational component).- Parameters:
m1
- the 3x3 matrix
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set
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 (ie, affine matrix with no translational component).- Parameters:
m1
- the 3x3 matrix
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set
Sets the value of this matrix to the matrix conversion of the (double precision) quaternion argument.- Parameters:
q1
- the quaternion to be converted
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set
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
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set
Sets the value of this matrix to the matrix conversion of the single precision quaternion argument.- Parameters:
q1
- the quaternion to be converted
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set
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
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set
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 quaterniont1
- the translations
- the scale value
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set
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 quaterniont1
- the translations
- the scale value
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set
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 quaterniont1
- the translations
- the scale value
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set
Sets the value of this matrix to a copy of the passed matrix m1.- Parameters:
m1
- the matrix to be copied
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set
Sets the value of this matrix to the double value of the passed matrix4f.- Parameters:
m1
- the matrix4f
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invert
Sets the value of this matrix to the matrix inverse of the passed matrix m1.- Parameters:
m1
- the matrix to be inverted
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invert
public final void invert()Sets the value of this matrix to its inverse. -
determinant
public final double determinant()Computes the determinant of this matrix.- Returns:
- the determinant of the matrix
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set
public final void set(double scale) Sets the value of this matrix to a scale matrix with the passed scale amount.- Parameters:
scale
- the scale factor for the matrix
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set
Sets the value of this matrix to a translate matrix by the passed translation value.- Parameters:
v1
- the translation amount
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set
Sets the value of this matrix to a scale and translation matrix; scale is not applied to the translation and all of the matrix values are modified.- Parameters:
scale
- the scale factor for the matrixv1
- the translation amount
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set
Sets the value of this matrix to a scale and translation matrix; the translation is scaled by the scale factor and all of the matrix values are modified.- Parameters:
v1
- the translation amountscale
- the scale factor for the matrix
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set
Sets the value of this matrix from the rotation expressed by the rotation matrix m1, the translation t1, and the scale s. The translation is not modified by the scale.- Parameters:
m1
- The rotation componentt1
- The translation componentscale
- The scale component
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set
Sets the value of this matrix from the rotation expressed by the rotation matrix m1, the translation t1, and the scale s. The translation is not modified by the scale.- Parameters:
m1
- The rotation componentt1
- The translation componentscale
- The scale component
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setTranslation
Modifies the translational components of this matrix to the values of the Vector3d argument; the other values of this matrix are not modified.- Parameters:
trans
- the translational component
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rotX
public final void rotX(double angle) Sets the value of this matrix to a rotation matrix about the x axis by the passed angle.- Parameters:
angle
- the angle to rotate about the X axis in radians
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rotY
public final void rotY(double angle) Sets the value of this matrix to a rotation matrix about the y axis by the passed angle.- Parameters:
angle
- the angle to rotate about the Y axis in radians
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rotZ
public final void rotZ(double angle) Sets the value of this matrix to a rotation matrix about the z axis by the passed angle.- Parameters:
angle
- the angle to rotate about the Z axis in radians
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mul
public final void mul(double scalar) Multiplies each element of this matrix by a scalar.- Parameters:
scalar
- The scalar multiplier.
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mul
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.
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mul
Sets the value of this matrix to the result of multiplying itself with matrix m1.- Parameters:
m1
- the other matrix
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mul
Sets the value of this matrix to the result of multiplying the two argument matrices together.- Parameters:
m1
- the first matrixm2
- the second matrix
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mulTransposeBoth
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 multiplicationm2
- The matrix on the right hand side of the multiplication
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mulTransposeRight
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 multiplicationm2
- The matrix on the right hand side of the multiplication
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mulTransposeLeft
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 multiplicationm2
- The matrix on the right hand side of the multiplication
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equals
Returns true if all of the data members of Matrix4d m1 are equal to the corresponding data members in this Matrix4d.- Parameters:
m1
- The matrix with which the comparison is made.- Returns:
- true or false
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equals
Returns true if the Object o1 is of type Matrix4d and all of the data members of t1 are equal to the corresponding data members in this Matrix4d. -
epsilonEquals
Deprecated.As of Java3D API1.1 Beta02Returns 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 matrixepsilon
- the threshold value
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epsilonEquals
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 matrixepsilon
- the threshold value
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hashCode
public int hashCode()Returns a hash number based on the data values in this object. Two different Matrix4d objects with identical data values (ie, returns true for equals(Matrix4d) ) will return the same hash number. Two objects with different data members may return the same hash value, although this is not likely. -
transform
Transform the vector vec using this Matrix4d and place the result into vecOut.- Parameters:
vec
- the double precision vector to be transformedvecOut
- the vector into which the transformed values are placed
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transform
Transform the vector vec using this Matrix4d and place the result back into vec.- Parameters:
vec
- the double precision vector to be transformed
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transform
Transform the vector vec using this Matrix4d and place the result into vecOut.- Parameters:
vec
- the single precision vector to be transformedvecOut
- the vector into which the transformed values are placed
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transform
Transform the vector vec using this Matrix4d and place the result back into vec.- Parameters:
vec
- the single precision vector to be transformed
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transform
Transforms the point parameter with this Matrix4d 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
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transform
Transforms the point parameter with this Matrix4d 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.
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transform
Transforms the point parameter with this Matrix4d 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
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transform
Transforms the point parameter with this Matrix4d 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.
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transform
Transforms the normal parameter by this Matrix4d 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
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transform
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.
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transform
Transforms the normal parameter by this Matrix4d 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
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transform
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.
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setRotation
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
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setRotation
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
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setRotation
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
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setRotation
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
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setRotation
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)
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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
Sets the value of this matrix equal to the negation of of the Matrix4d parameter.- Parameters:
m1
- The source matrix
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clone
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