Matrix3

new Cesium.Matrix3(column0Row0, column1Row0, column2Row0, column0Row1, column1Row1, column2Row1, column0Row2, column1Row2, column2Row2)
engine/Source/Core/Matrix3.js 39

A 3x3 matrix, indexable as a column-major order array. Constructor parameters are in row-major order for code readability.
Name Type Default Description
column0Row0 number 0.0 optional The value for column 0, row 0.
column1Row0 number 0.0 optional The value for column 1, row 0.
column2Row0 number 0.0 optional The value for column 2, row 0.
column0Row1 number 0.0 optional The value for column 0, row 1.
column1Row1 number 0.0 optional The value for column 1, row 1.
column2Row1 number 0.0 optional The value for column 2, row 1.
column0Row2 number 0.0 optional The value for column 0, row 2.
column1Row2 number 0.0 optional The value for column 1, row 2.
column2Row2 number 0.0 optional The value for column 2, row 2.
See:

Members

length : number
engine/Source/Core/Matrix3.js 1768

Gets the number of items in the collection.

static constant Cesium.Matrix3.COLUMN0ROW0 : number
engine/Source/Core/Matrix3.js 1695

The index into Matrix3 for column 0, row 0.

static constant Cesium.Matrix3.COLUMN0ROW1 : number
engine/Source/Core/Matrix3.js 1703

The index into Matrix3 for column 0, row 1.

static constant Cesium.Matrix3.COLUMN0ROW2 : number
engine/Source/Core/Matrix3.js 1711

The index into Matrix3 for column 0, row 2.

static constant Cesium.Matrix3.COLUMN1ROW0 : number
engine/Source/Core/Matrix3.js 1719

The index into Matrix3 for column 1, row 0.

static constant Cesium.Matrix3.COLUMN1ROW1 : number
engine/Source/Core/Matrix3.js 1727

The index into Matrix3 for column 1, row 1.

static constant Cesium.Matrix3.COLUMN1ROW2 : number
engine/Source/Core/Matrix3.js 1735

The index into Matrix3 for column 1, row 2.

static constant Cesium.Matrix3.COLUMN2ROW0 : number
engine/Source/Core/Matrix3.js 1743

The index into Matrix3 for column 2, row 0.

static constant Cesium.Matrix3.COLUMN2ROW1 : number
engine/Source/Core/Matrix3.js 1751

The index into Matrix3 for column 2, row 1.

static constant Cesium.Matrix3.COLUMN2ROW2 : number
engine/Source/Core/Matrix3.js 1759

The index into Matrix3 for column 2, row 2.

static constant Cesium.Matrix3.IDENTITY : Matrix3
engine/Source/Core/Matrix3.js 1675

An immutable Matrix3 instance initialized to the identity matrix.

static Cesium.Matrix3.packedLength : number
engine/Source/Core/Matrix3.js 65

The number of elements used to pack the object into an array.

static constant Cesium.Matrix3.ZERO : Matrix3
engine/Source/Core/Matrix3.js 1685

An immutable Matrix3 instance initialized to the zero matrix.

Methods

clone(result) → Matrix3
engine/Source/Core/Matrix3.js 1781

Duplicates the provided Matrix3 instance.
Name Type Description
result Matrix3 optional The object onto which to store the result.
Returns:
The modified result parameter or a new Matrix3 instance if one was not provided.

equals(right) → boolean
engine/Source/Core/Matrix3.js 1792

Compares this matrix to the provided matrix componentwise and returns true if they are equal, false otherwise.
Name Type Description
right Matrix3 optional The right hand side matrix.
Returns:
true if they are equal, false otherwise.

equalsEpsilon(right, epsilon) → boolean
engine/Source/Core/Matrix3.js 1822

Compares this matrix to the provided matrix componentwise and returns true if they are within the provided epsilon, false otherwise.
Name Type Default Description
right Matrix3 optional The right hand side matrix.
epsilon number 0 optional The epsilon to use for equality testing.
Returns:
true if they are within the provided epsilon, false otherwise.

toString() → string
engine/Source/Core/Matrix3.js 1832

Creates a string representing this Matrix with each row being on a separate line and in the format '(column0, column1, column2)'.
Returns:
A string representing the provided Matrix with each row being on a separate line and in the format '(column0, column1, column2)'.

static Cesium.Matrix3.abs(matrix, result) → Matrix3
engine/Source/Core/Matrix3.js 1500

Computes a matrix, which contains the absolute (unsigned) values of the provided matrix's elements.
Name Type Description
matrix Matrix3 The matrix with signed elements.
result Matrix3 The object onto which to store the result.
Returns:
The modified result parameter.

static Cesium.Matrix3.add(left, right, result) → Matrix3
engine/Source/Core/Matrix3.js 1091

Computes the sum of two matrices.
Name Type Description
left Matrix3 The first matrix.
right Matrix3 The second matrix.
result Matrix3 The object onto which to store the result.
Returns:
The modified result parameter.

static Cesium.Matrix3.clone(matrix, result) → Matrix3
engine/Source/Core/Matrix3.js 198

Duplicates a Matrix3 instance.
Name Type Description
matrix Matrix3 The matrix to duplicate.
result Matrix3 optional The object onto which to store the result.
Returns:
The modified result parameter or a new Matrix3 instance if one was not provided. (Returns undefined if matrix is undefined)

static Cesium.Matrix3.computeEigenDecomposition(matrix, result) → object
engine/Source/Core/Matrix3.js 1451

Computes the eigenvectors and eigenvalues of a symmetric matrix.

Returns a diagonal matrix and unitary matrix such that: matrix = unitary matrix * diagonal matrix * transpose(unitary matrix)

The values along the diagonal of the diagonal matrix are the eigenvalues. The columns of the unitary matrix are the corresponding eigenvectors.

Name Type Description
matrix Matrix3 The matrix to decompose into diagonal and unitary matrix. Expected to be symmetric.
result object optional An object with unitary and diagonal properties which are matrices onto which to store the result.
Returns:
An object with unitary and diagonal properties which are the unitary and diagonal matrices, respectively.
Example:
const a = //... symetric matrix
const result = {
    unitary : new Cesium.Matrix3(),
    diagonal : new Cesium.Matrix3()
};
Cesium.Matrix3.computeEigenDecomposition(a, result);

const unitaryTranspose = Cesium.Matrix3.transpose(result.unitary, new Cesium.Matrix3());
const b = Cesium.Matrix3.multiply(result.unitary, result.diagonal, new Cesium.Matrix3());
Cesium.Matrix3.multiply(b, unitaryTranspose, b); // b is now equal to a

const lambda = Cesium.Matrix3.getColumn(result.diagonal, 0, new Cesium.Cartesian3()).x;  // first eigenvalue
const v = Cesium.Matrix3.getColumn(result.unitary, 0, new Cesium.Cartesian3());          // first eigenvector
const c = Cesium.Cartesian3.multiplyByScalar(v, lambda, new Cesium.Cartesian3());        // equal to Cesium.Matrix3.multiplyByVector(a, v)

static Cesium.Matrix3.determinant(matrix) → number
engine/Source/Core/Matrix3.js 1525

Computes the determinant of the provided matrix.
Name Type Description
matrix Matrix3 The matrix to use.
Returns:
The value of the determinant of the matrix.

static Cesium.Matrix3.equals(left, right) → boolean
engine/Source/Core/Matrix3.js 1623

Compares the provided matrices componentwise and returns true if they are equal, false otherwise.
Name Type Description
left Matrix3 optional The first matrix.
right Matrix3 optional The second matrix.
Returns:
true if left and right are equal, false otherwise.

static Cesium.Matrix3.equalsEpsilon(left, right, epsilon) → boolean
engine/Source/Core/Matrix3.js 1650

Compares the provided matrices componentwise and returns true if they are within the provided epsilon, false otherwise.
Name Type Default Description
left Matrix3 optional The first matrix.
right Matrix3 optional The second matrix.
epsilon number 0 optional The epsilon to use for equality testing.
Returns:
true if left and right are within the provided epsilon, false otherwise.

static Cesium.Matrix3.fromArray(array, startingIndex, result) → Matrix3
engine/Source/Core/Matrix3.js 249

Creates a Matrix3 from 9 consecutive elements in an array.
Name Type Default Description
array Array.<number> The array whose 9 consecutive elements correspond to the positions of the matrix. Assumes column-major order.
startingIndex number 0 optional The offset into the array of the first element, which corresponds to first column first row position in the matrix.
result Matrix3 optional The object onto which to store the result.
Returns:
The modified result parameter or a new Matrix3 instance if one was not provided.
Example:
// Create the Matrix3:
// [1.0, 2.0, 3.0]
// [1.0, 2.0, 3.0]
// [1.0, 2.0, 3.0]

const v = [1.0, 1.0, 1.0, 2.0, 2.0, 2.0, 3.0, 3.0, 3.0];
const m = Cesium.Matrix3.fromArray(v);

// Create same Matrix3 with using an offset into an array
const v2 = [0.0, 0.0, 1.0, 1.0, 1.0, 2.0, 2.0, 2.0, 3.0, 3.0, 3.0];
const m2 = Cesium.Matrix3.fromArray(v2, 2);

static Cesium.Matrix3.fromColumnMajorArray(values, result) → Matrix3
engine/Source/Core/Matrix3.js 258

Creates a Matrix3 instance from a column-major order array.
Name Type Description
values Array.<number> The column-major order array.
result Matrix3 optional The object in which the result will be stored, if undefined a new instance will be created.
Returns:
The modified result parameter, or a new Matrix3 instance if one was not provided.

static Cesium.Matrix3.fromCrossProduct(vector, result) → Matrix3
engine/Source/Core/Matrix3.js 484

Computes a Matrix3 instance representing the cross product equivalent matrix of a Cartesian3 vector.
Name Type Description
vector Cartesian3 the vector on the left hand side of the cross product operation.
result Matrix3 optional The object in which the result will be stored, if undefined a new instance will be created.
Returns:
The modified result parameter, or a new Matrix3 instance if one was not provided.
Example:
// Creates
//   [0.0, -9.0,  8.0]
//   [9.0,  0.0, -7.0]
//   [-8.0, 7.0,  0.0]
const m = Cesium.Matrix3.fromCrossProduct(new Cesium.Cartesian3(7.0, 8.0, 9.0));

static Cesium.Matrix3.fromHeadingPitchRoll(headingPitchRoll, result) → Matrix3
engine/Source/Core/Matrix3.js 361

Computes a 3x3 rotation matrix from the provided headingPitchRoll. (see http://en.wikipedia.org/wiki/Conversion_between_quaternions_and_Euler_angles )
Name Type Description
headingPitchRoll HeadingPitchRoll the headingPitchRoll to use.
result Matrix3 optional The object in which the result will be stored, if undefined a new instance will be created.
Returns:
The 3x3 rotation matrix from this headingPitchRoll.

static Cesium.Matrix3.fromQuaternion(quaternion, result) → Matrix3
engine/Source/Core/Matrix3.js 311

Computes a 3x3 rotation matrix from the provided quaternion.
Name Type Description
quaternion Quaternion the quaternion to use.
result Matrix3 optional The object in which the result will be stored, if undefined a new instance will be created.
Returns:
The 3x3 rotation matrix from this quaternion.

static Cesium.Matrix3.fromRotationX(angle, result) → Matrix3
engine/Source/Core/Matrix3.js 528

Creates a rotation matrix around the x-axis.
Name Type Description
angle number The angle, in radians, of the rotation. Positive angles are counterclockwise.
result Matrix3 optional The object in which the result will be stored, if undefined a new instance will be created.
Returns:
The modified result parameter, or a new Matrix3 instance if one was not provided.
Example:
// Rotate a point 45 degrees counterclockwise around the x-axis.
const p = new Cesium.Cartesian3(5, 6, 7);
const m = Cesium.Matrix3.fromRotationX(Cesium.Math.toRadians(45.0));
const rotated = Cesium.Matrix3.multiplyByVector(m, p, new Cesium.Cartesian3());

static Cesium.Matrix3.fromRotationY(angle, result) → Matrix3
engine/Source/Core/Matrix3.js 576

Creates a rotation matrix around the y-axis.
Name Type Description
angle number The angle, in radians, of the rotation. Positive angles are counterclockwise.
result Matrix3 optional The object in which the result will be stored, if undefined a new instance will be created.
Returns:
The modified result parameter, or a new Matrix3 instance if one was not provided.
Example:
// Rotate a point 45 degrees counterclockwise around the y-axis.
const p = new Cesium.Cartesian3(5, 6, 7);
const m = Cesium.Matrix3.fromRotationY(Cesium.Math.toRadians(45.0));
const rotated = Cesium.Matrix3.multiplyByVector(m, p, new Cesium.Cartesian3());

static Cesium.Matrix3.fromRotationZ(angle, result) → Matrix3
engine/Source/Core/Matrix3.js 624

Creates a rotation matrix around the z-axis.
Name Type Description
angle number The angle, in radians, of the rotation. Positive angles are counterclockwise.
result Matrix3 optional The object in which the result will be stored, if undefined a new instance will be created.
Returns:
The modified result parameter, or a new Matrix3 instance if one was not provided.
Example:
// Rotate a point 45 degrees counterclockwise around the z-axis.
const p = new Cesium.Cartesian3(5, 6, 7);
const m = Cesium.Matrix3.fromRotationZ(Cesium.Math.toRadians(45.0));
const rotated = Cesium.Matrix3.multiplyByVector(m, p, new Cesium.Cartesian3());

static Cesium.Matrix3.fromRowMajorArray(values, result) → Matrix3
engine/Source/Core/Matrix3.js 274

Creates a Matrix3 instance from a row-major order array. The resulting matrix will be in column-major order.
Name Type Description
values Array.<number> The row-major order array.
result Matrix3 optional The object in which the result will be stored, if undefined a new instance will be created.
Returns:
The modified result parameter, or a new Matrix3 instance if one was not provided.

static Cesium.Matrix3.fromScale(scale, result) → Matrix3
engine/Source/Core/Matrix3.js 414

Computes a Matrix3 instance representing a non-uniform scale.
Name Type Description
scale Cartesian3 The x, y, and z scale factors.
result Matrix3 optional The object in which the result will be stored, if undefined a new instance will be created.
Returns:
The modified result parameter, or a new Matrix3 instance if one was not provided.
Example:
// Creates
//   [7.0, 0.0, 0.0]
//   [0.0, 8.0, 0.0]
//   [0.0, 0.0, 9.0]
const m = Cesium.Matrix3.fromScale(new Cesium.Cartesian3(7.0, 8.0, 9.0));

static Cesium.Matrix3.fromUniformScale(scale, result) → Matrix3
engine/Source/Core/Matrix3.js 449

Computes a Matrix3 instance representing a uniform scale.
Name Type Description
scale number The uniform scale factor.
result Matrix3 optional The object in which the result will be stored, if undefined a new instance will be created.
Returns:
The modified result parameter, or a new Matrix3 instance if one was not provided.
Example:
// Creates
//   [2.0, 0.0, 0.0]
//   [0.0, 2.0, 0.0]
//   [0.0, 0.0, 2.0]
const m = Cesium.Matrix3.fromUniformScale(2.0);

static Cesium.Matrix3.getColumn(matrix, index, result) → Cartesian3
engine/Source/Core/Matrix3.js 734

Retrieves a copy of the matrix column at the provided index as a Cartesian3 instance.
Name Type Description
matrix Matrix3 The matrix to use.
index number The zero-based index of the column to retrieve.
result Cartesian3 The object onto which to store the result.
Returns:
The modified result parameter.
Throws:

static Cesium.Matrix3.getElementIndex(column, row) → number
engine/Source/Core/Matrix3.js 713

Computes the array index of the element at the provided row and column.
Name Type Description
column number The zero-based index of the column.
row number The zero-based index of the row.
Returns:
The index of the element at the provided row and column.
Throws:
Example:
const myMatrix = new Cesium.Matrix3();
const column1Row0Index = Cesium.Matrix3.getElementIndex(1, 0);
const column1Row0 = myMatrix[column1Row0Index]
myMatrix[column1Row0Index] = 10.0;

static Cesium.Matrix3.getMaximumScale(matrix) → number
engine/Source/Core/Matrix3.js 965

Computes the maximum scale assuming the matrix is an affine transformation. The maximum scale is the maximum length of the column vectors.
Name Type Description
matrix Matrix3 The matrix.
Returns:
The maximum scale.

static Cesium.Matrix3.getRotation(matrix, result) → Matrix3
engine/Source/Core/Matrix3.js 1014

Extracts the rotation matrix assuming the matrix is an affine transformation.
Name Type Description
matrix Matrix3 The matrix.
result Matrix3 The object onto which to store the result.
Returns:
The modified result parameter.
See:

static Cesium.Matrix3.getRow(matrix, index, result) → Cartesian3
engine/Source/Core/Matrix3.js 791

Retrieves a copy of the matrix row at the provided index as a Cartesian3 instance.
Name Type Description
matrix Matrix3 The matrix to use.
index number The zero-based index of the row to retrieve.
result Cartesian3 The object onto which to store the result.
Returns:
The modified result parameter.
Throws:

static Cesium.Matrix3.getScale(matrix, result) → Cartesian3
engine/Source/Core/Matrix3.js 938

Extracts the non-uniform scale assuming the matrix is an affine transformation.
Name Type Description
matrix Matrix3 The matrix.
result Cartesian3 The object onto which to store the result.
Returns:
The modified result parameter.
See:

static Cesium.Matrix3.inverse(matrix, result) → Matrix3
engine/Source/Core/Matrix3.js 1556

Computes the inverse of the provided matrix.
Name Type Description
matrix Matrix3 The matrix to invert.
result Matrix3 The object onto which to store the result.
Returns:
The modified result parameter.
Throws:

static Cesium.Matrix3.inverseTranspose(matrix, result) → Matrix3
engine/Source/Core/Matrix3.js 1603

Computes the inverse transpose of a matrix.
Name Type Description
matrix Matrix3 The matrix to transpose and invert.
result Matrix3 The object onto which to store the result.
Returns:
The modified result parameter.

static Cesium.Matrix3.multiply(left, right, result) → Matrix3
engine/Source/Core/Matrix3.js 1043

Computes the product of two matrices.
Name Type Description
left Matrix3 The first matrix.
right Matrix3 The second matrix.
result Matrix3 The object onto which to store the result.
Returns:
The modified result parameter.

static Cesium.Matrix3.multiplyByScalar(matrix, scalar, result) → Matrix3
engine/Source/Core/Matrix3.js 1174

Computes the product of a matrix and a scalar.
Name Type Description
matrix Matrix3 The matrix.
scalar number The number to multiply by.
result Matrix3 The object onto which to store the result.
Returns:
The modified result parameter.

static Cesium.Matrix3.multiplyByScale(matrix, scale, result) → Matrix3
engine/Source/Core/Matrix3.js 1213

Computes the product of a matrix times a (non-uniform) scale, as if the scale were a scale matrix.
Name Type Description
matrix Matrix3 The matrix on the left-hand side.
scale Cartesian3 The non-uniform scale on the right-hand side.
result Matrix3 The object onto which to store the result.
Returns:
The modified result parameter.
Example:
// Instead of Cesium.Matrix3.multiply(m, Cesium.Matrix3.fromScale(scale), m);
Cesium.Matrix3.multiplyByScale(m, scale, m);
See:

static Cesium.Matrix3.multiplyByUniformScale(matrix, scale, result) → Matrix3
engine/Source/Core/Matrix3.js 1252

Computes the product of a matrix times a uniform scale, as if the scale were a scale matrix.
Name Type Description
matrix Matrix3 The matrix on the left-hand side.
scale number The uniform scale on the right-hand side.
result Matrix3 The object onto which to store the result.
Returns:
The modified result parameter.
Example:
// Instead of Cesium.Matrix3.multiply(m, Cesium.Matrix3.fromUniformScale(scale), m);
Cesium.Matrix3.multiplyByUniformScale(m, scale, m);
See:

static Cesium.Matrix3.multiplyByVector(matrix, cartesian, result) → Cartesian3
engine/Source/Core/Matrix3.js 1145

Computes the product of a matrix and a column vector.
Name Type Description
matrix Matrix3 The matrix.
cartesian Cartesian3 The column.
result Cartesian3 The object onto which to store the result.
Returns:
The modified result parameter.

static Cesium.Matrix3.negate(matrix, result) → Matrix3
engine/Source/Core/Matrix3.js 1279

Creates a negated copy of the provided matrix.
Name Type Description
matrix Matrix3 The matrix to negate.
result Matrix3 The object onto which to store the result.
Returns:
The modified result parameter.

static Cesium.Matrix3.pack(value, array, startingIndex) → Array.<number>
engine/Source/Core/Matrix3.js 76

Stores the provided instance into the provided array.
Name Type Default Description
value Matrix3 The value to pack.
array Array.<number> The array to pack into.
startingIndex number 0 optional The index into the array at which to start packing the elements.
Returns:
The array that was packed into

static Cesium.Matrix3.packArray(array, result) → Array.<number>
engine/Source/Core/Matrix3.js 136

Flattens an array of Matrix3s into an array of components. The components are stored in column-major order.
Name Type Description
array Array.<Matrix3> The array of matrices to pack.
result Array.<number> optional The array onto which to store the result. If this is a typed array, it must have array.length * 9 components, else a DeveloperError will be thrown. If it is a regular array, it will be resized to have (array.length * 9) elements.
Returns:
The packed array.

static Cesium.Matrix3.setColumn(matrix, index, cartesian, result) → Matrix3
engine/Source/Core/Matrix3.js 764

Computes a new matrix that replaces the specified column in the provided matrix with the provided Cartesian3 instance.
Name Type Description
matrix Matrix3 The matrix to use.
index number The zero-based index of the column to set.
cartesian Cartesian3 The Cartesian whose values will be assigned to the specified column.
result Matrix3 The object onto which to store the result.
Returns:
The modified result parameter.
Throws:

static Cesium.Matrix3.setRotation(matrix, rotation, result) → Matrix3
engine/Source/Core/Matrix3.js 982

Sets the rotation assuming the matrix is an affine transformation.
Name Type Description
matrix Matrix3 The matrix.
rotation Matrix3 The rotation matrix.
result Matrix3 The object onto which to store the result.
Returns:
The modified result parameter.
See:

static Cesium.Matrix3.setRow(matrix, index, cartesian, result) → Matrix3
engine/Source/Core/Matrix3.js 820

Computes a new matrix that replaces the specified row in the provided matrix with the provided Cartesian3 instance.
Name Type Description
matrix Matrix3 The matrix to use.
index number The zero-based index of the row to set.
cartesian Cartesian3 The Cartesian whose values will be assigned to the specified row.
result Matrix3 The object onto which to store the result.
Returns:
The modified result parameter.
Throws:

static Cesium.Matrix3.setScale(matrix, scale, result) → Matrix3
engine/Source/Core/Matrix3.js 854

Computes a new matrix that replaces the scale with the provided scale. This assumes the matrix is an affine transformation.
Name Type Description
matrix Matrix3 The matrix to use.
scale Cartesian3 The scale that replaces the scale of the provided matrix.
result Matrix3 The object onto which to store the result.
Returns:
The modified result parameter.
See:

static Cesium.Matrix3.setUniformScale(matrix, scale, result) → Matrix3
engine/Source/Core/Matrix3.js 897

Computes a new matrix that replaces the scale with the provided uniform scale. This assumes the matrix is an affine transformation.
Name Type Description
matrix Matrix3 The matrix to use.
scale number The uniform scale that replaces the scale of the provided matrix.
result Matrix3 The object onto which to store the result.
Returns:
The modified result parameter.
See:

static Cesium.Matrix3.subtract(left, right, result) → Matrix3
engine/Source/Core/Matrix3.js 1118

Computes the difference of two matrices.
Name Type Description
left Matrix3 The first matrix.
right Matrix3 The second matrix.
result Matrix3 The object onto which to store the result.
Returns:
The modified result parameter.

static Cesium.Matrix3.toArray(matrix, result) → Array.<number>
engine/Source/Core/Matrix3.js 667

Creates an Array from the provided Matrix3 instance. The array will be in column-major order.
Name Type Description
matrix Matrix3 The matrix to use..
result Array.<number> optional The Array onto which to store the result.
Returns:
The modified Array parameter or a new Array instance if one was not provided.

static Cesium.Matrix3.transpose(matrix, result) → Matrix3
engine/Source/Core/Matrix3.js 1304

Computes the transpose of the provided matrix.
Name Type Description
matrix Matrix3 The matrix to transpose.
result Matrix3 The object onto which to store the result.
Returns:
The modified result parameter.

static Cesium.Matrix3.unpack(array, startingIndex, result) → Matrix3
engine/Source/Core/Matrix3.js 105

Retrieves an instance from a packed array.
Name Type Default Description
array Array.<number> The packed array.
startingIndex number 0 optional The starting index of the element to be unpacked.
result Matrix3 optional The object into which to store the result.
Returns:
The modified result parameter or a new Matrix3 instance if one was not provided.

static Cesium.Matrix3.unpackArray(array, result) → Array.<Matrix3>
engine/Source/Core/Matrix3.js 168

Unpacks an array of column-major matrix components into an array of Matrix3s.
Name Type Description
array Array.<number> The array of components to unpack.
result Array.<Matrix3> optional The array onto which to store the result.
Returns:
The unpacked array.
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