Cartesian4 - Cesium Documentation

new Cartesian4(x, y, z, w)

A 4D Cartesian point.

Name	Type	Default	Description
`x`	Number	`0.0`	optional The X component.
`y`	Number	`0.0`	optional The Y component.
`z`	Number	`0.0`	optional The Z component.
`w`	Number	`0.0`	optional The W component.

See:

Source: Core/Cartesian4.js, line 30

Members

w :Number

The W component.

Default Value: 0.0

Source: Core/Cartesian4.js, line 57

x :Number

The X component.

Default Value: 0.0

Source: Core/Cartesian4.js, line 36

y :Number

The Y component.

Default Value: 0.0

Source: Core/Cartesian4.js, line 43

z :Number

The Z component.

Default Value: 0.0

Source: Core/Cartesian4.js, line 50

staticCartesian4.packedLength :Number

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

Source: Core/Cartesian4.js, line 135

staticconstantCartesian4.UNIT_W :Cartesian4

An immutable Cartesian4 instance initialized to (0.0, 0.0, 0.0, 1.0).

Source: Core/Cartesian4.js, line 776

staticconstantCartesian4.UNIT_X :Cartesian4

An immutable Cartesian4 instance initialized to (1.0, 0.0, 0.0, 0.0).

Source: Core/Cartesian4.js, line 752

staticconstantCartesian4.UNIT_Y :Cartesian4

An immutable Cartesian4 instance initialized to (0.0, 1.0, 0.0, 0.0).

Source: Core/Cartesian4.js, line 760

staticconstantCartesian4.UNIT_Z :Cartesian4

An immutable Cartesian4 instance initialized to (0.0, 0.0, 1.0, 0.0).

Source: Core/Cartesian4.js, line 768

staticconstantCartesian4.ZERO :Cartesian4

An immutable Cartesian4 instance initialized to (0.0, 0.0, 0.0, 0.0).

Source: Core/Cartesian4.js, line 744

Methods

clone(result) → Cartesian4

Duplicates this Cartesian4 instance.

Name	Type	Description
`result`	Cartesian4	optional The object onto which to store the result.

Returns:

The modified result parameter or a new Cartesian4 instance if one was not provided.

Source: Core/Cartesian4.js, line 784

equals(right) → Boolean

Compares this Cartesian against the provided Cartesian componentwise and returns true if they are equal, false otherwise.

Name	Type	Description
`right`	Cartesian4	optional The right hand side Cartesian.

Returns:

true if they are equal, false otherwise.

Source: Core/Cartesian4.js, line 795

equalsEpsilon(right, relativeEpsilon, absoluteEpsilon) → Boolean

Compares this Cartesian against the provided Cartesian componentwise and returns true if they pass an absolute or relative tolerance test, false otherwise.

Name	Type	Default	Description
`right`	Cartesian4		optional The right hand side Cartesian.
`relativeEpsilon`	Number		The relative epsilon tolerance to use for equality testing.
`absoluteEpsilon`	Number	`relativeEpsilon`	optional The absolute epsilon tolerance to use for equality testing.

Returns:

true if they are within the provided epsilon, false otherwise.

Source: Core/Cartesian4.js, line 809

toString() → String

Creates a string representing this Cartesian in the format '(x, y)'.

Returns:

A string representing the provided Cartesian in the format '(x, y)'.

Source: Core/Cartesian4.js, line 818

staticCartesian4.abs(cartesian, result) → Cartesian4

Computes the absolute value of the provided Cartesian.

Name	Type	Description
`cartesian`	Cartesian4	The Cartesian whose absolute value is to be computed.
`result`	Cartesian4	The object onto which to store the result.

Returns:

The modified result parameter.

Source: Core/Cartesian4.js, line 593

staticCartesian4.add(left, right, result) → Cartesian4

Computes the componentwise sum of two Cartesians.

Name	Type	Description
`left`	Cartesian4	The first Cartesian.
`right`	Cartesian4	The second Cartesian.
`result`	Cartesian4	The object onto which to store the result.

Returns:

The modified result parameter.

Source: Core/Cartesian4.js, line 458

staticCartesian4.clone(cartesian, result) → Cartesian4

Duplicates a Cartesian4 instance.

Name	Type	Description
`cartesian`	Cartesian4	The Cartesian to duplicate.
`result`	Cartesian4	optional The object onto which to store the result.

Returns:

The modified result parameter or a new Cartesian4 instance if one was not provided. (Returns undefined if cartesian is undefined)

Source: Core/Cartesian4.js, line 114

staticCartesian4.distance(left, right) → Number

Computes the 4-space distance between two points.

Name	Type	Description
`left`	Cartesian4	The first point to compute the distance from.
`right`	Cartesian4	The second point to compute the distance to.

Returns:

The distance between two points.

Example:

// Returns 1.0
var d = Cesium.Cartesian4.distance(
  new Cesium.Cartesian4(1.0, 0.0, 0.0, 0.0),
  new Cesium.Cartesian4(2.0, 0.0, 0.0, 0.0));

Source: Core/Cartesian4.js, line 340

staticCartesian4.distanceSquared(left, right) → Number

Computes the squared distance between two points. Comparing squared distances using this function is more efficient than comparing distances using Cartesian4#distance.

Name	Type	Description
`left`	Cartesian4	The first point to compute the distance from.
`right`	Cartesian4	The second point to compute the distance to.

Returns:

The distance between two points.

Example:

// Returns 4.0, not 2.0
var d = Cesium.Cartesian4.distance(
  new Cesium.Cartesian4(1.0, 0.0, 0.0, 0.0),
  new Cesium.Cartesian4(3.0, 0.0, 0.0, 0.0));

Source: Core/Cartesian4.js, line 365

staticCartesian4.divideByScalar(cartesian, scalar, result) → Cartesian4

Divides the provided Cartesian componentwise by the provided scalar.

Name	Type	Description
`cartesian`	Cartesian4	The Cartesian to be divided.
`scalar`	Number	The scalar to divide by.
`result`	Cartesian4	The object onto which to store the result.

Returns:

The modified result parameter.

Source: Core/Cartesian4.js, line 542

staticCartesian4.dot(left, right) → Number

Computes the dot (scalar) product of two Cartesians.

Name	Type	Description
`left`	Cartesian4	The first Cartesian.
`right`	Cartesian4	The second Cartesian.

Returns:

The dot product.

Source: Core/Cartesian4.js, line 409

staticCartesian4.equals(left, right) → Boolean

Compares the provided Cartesians componentwise and returns true if they are equal, false otherwise.

Name	Type	Description
`left`	Cartesian4	optional The first Cartesian.
`right`	Cartesian4	optional The second Cartesian.

Returns:

true if left and right are equal, false otherwise.

Source: Core/Cartesian4.js, line 697

staticCartesian4.equalsEpsilon(left, right, relativeEpsilon, absoluteEpsilon) → Boolean

Compares the provided Cartesians componentwise and returns true if they pass an absolute or relative tolerance test, false otherwise.

Name	Type	Default	Description
`left`	Cartesian4		optional The first Cartesian.
`right`	Cartesian4		optional The second Cartesian.
`relativeEpsilon`	Number		The relative epsilon tolerance to use for equality testing.
`absoluteEpsilon`	Number	`relativeEpsilon`	optional The absolute epsilon tolerance to use for equality testing.

Returns:

true if left and right are within the provided epsilon, false otherwise.

Source: Core/Cartesian4.js, line 728

staticCartesian4.fromArray(array, startingIndex, result) → Cartesian4

Creates a Cartesian4 from four consecutive elements in an array.

Name	Type	Default	Description
`array`	Array.<Number>		The array whose four consecutive elements correspond to the x, y, z, and w components, respectively.
`startingIndex`	Number	`0`	optional The offset into the array of the first element, which corresponds to the x component.
`result`	Cartesian4		optional The object onto which to store the result.

Returns:

The modified result parameter or a new Cartesian4 instance if one was not provided.

Example:

// Create a Cartesian4 with (1.0, 2.0, 3.0, 4.0)
var v = [1.0, 2.0, 3.0, 4.0];
var p = Cesium.Cartesian4.fromArray(v);

// Create a Cartesian4 with (1.0, 2.0, 3.0, 4.0) using an offset into an array
var v2 = [0.0, 0.0, 1.0, 2.0, 3.0, 4.0];
var p2 = Cesium.Cartesian4.fromArray(v2, 2);

Source: Core/Cartesian4.js, line 207

staticCartesian4.fromColor(color, result) → Cartesian4

Creates a Cartesian4 instance from a Color. red, green, blue, and alpha map to x, y, z, and w, respectively.

Name	Type	Description
`color`	Color	The source color.
`result`	Cartesian4	optional The object onto which to store the result.

Returns:

The modified result parameter or a new Cartesian4 instance if one was not provided.

Source: Core/Cartesian4.js, line 90

staticCartesian4.fromElements(x, y, z, w, result) → Cartesian4

Creates a Cartesian4 instance from x, y, z and w coordinates.

Name	Type	Description
`x`	Number	The x coordinate.
`y`	Number	The y coordinate.
`z`	Number	The z coordinate.
`w`	Number	The w coordinate.
`result`	Cartesian4	optional The object onto which to store the result.

Returns:

The modified result parameter or a new Cartesian4 instance if one was not provided.

Source: Core/Cartesian4.js, line 70

staticCartesian4.lerp(start, end, t, result) → Cartesian4

Computes the linear interpolation or extrapolation at t using the provided cartesians.

Name	Type	Description
`start`	Cartesian4	The value corresponding to t at 0.0.
`end`	Cartesian4	The value corresponding to t at 1.0.
`t`	Number	The point along t at which to interpolate.
`result`	Cartesian4	The object onto which to store the result.

Returns:

The modified result parameter.

Source: Core/Cartesian4.js, line 620

staticCartesian4.magnitude(cartesian) → Number

Computes the Cartesian's magnitude (length).

Name	Type	Description
`cartesian`	Cartesian4	The Cartesian instance whose magnitude is to be computed.

Returns:

The magnitude.

Source: Core/Cartesian4.js, line 321

staticCartesian4.magnitudeSquared(cartesian) → Number

Computes the provided Cartesian's squared magnitude.

Name	Type	Description
`cartesian`	Cartesian4	The Cartesian instance whose squared magnitude is to be computed.

Returns:

The squared magnitude.

Source: Core/Cartesian4.js, line 305

staticCartesian4.maximumByComponent(first, second, result) → Cartesian4

Compares two Cartesians and computes a Cartesian which contains the maximum components of the supplied Cartesians.

Name	Type	Description
`first`	Cartesian4	A cartesian to compare.
`second`	Cartesian4	A cartesian to compare.
`result`	Cartesian4	The object into which to store the result.

Returns:

A cartesian with the maximum components.

Source: Core/Cartesian4.js, line 278

staticCartesian4.maximumComponent(cartesian) → Number

Computes the value of the maximum component for the supplied Cartesian.

Name	Type	Description
`cartesian`	Cartesian4	The cartesian to use.

Returns:

The value of the maximum component.

Source: Core/Cartesian4.js, line 215

staticCartesian4.minimumByComponent(first, second, result) → Cartesian4

Compares two Cartesians and computes a Cartesian which contains the minimum components of the supplied Cartesians.

Name	Type	Description
`first`	Cartesian4	A cartesian to compare.
`second`	Cartesian4	A cartesian to compare.
`result`	Cartesian4	The object into which to store the result.

Returns:

A cartesian with the minimum components.

Source: Core/Cartesian4.js, line 249

staticCartesian4.minimumComponent(cartesian) → Number

Computes the value of the minimum component for the supplied Cartesian.

Name	Type	Description
`cartesian`	Cartesian4	The cartesian to use.

Returns:

The value of the minimum component.

Source: Core/Cartesian4.js, line 231

staticCartesian4.mostOrthogonalAxis(cartesian, result) → Cartesian4

Returns the axis that is most orthogonal to the provided Cartesian.

Name	Type	Description
`cartesian`	Cartesian4	The Cartesian on which to find the most orthogonal axis.
`result`	Cartesian4	The object onto which to store the result.

Returns:

The most orthogonal axis.

Source: Core/Cartesian4.js, line 649

staticCartesian4.multiplyByScalar(cartesian, scalar, result) → Cartesian4

Multiplies the provided Cartesian componentwise by the provided scalar.

Name	Type	Description
`cartesian`	Cartesian4	The Cartesian to be scaled.
`scalar`	Number	The scalar to multiply with.
`result`	Cartesian4	The object onto which to store the result.

Returns:

The modified result parameter.

Source: Core/Cartesian4.js, line 514

staticCartesian4.multiplyComponents(left, right, result) → Cartesian4

Computes the componentwise product of two Cartesians.

Name	Type	Description
`left`	Cartesian4	The first Cartesian.
`right`	Cartesian4	The second Cartesian.
`result`	Cartesian4	The object onto which to store the result.

Returns:

The modified result parameter.

Source: Core/Cartesian4.js, line 430

staticCartesian4.negate(cartesian, result) → Cartesian4

Negates the provided Cartesian.

Name	Type	Description
`cartesian`	Cartesian4	The Cartesian to be negated.
`result`	Cartesian4	The object onto which to store the result.

Returns:

The modified result parameter.

Source: Core/Cartesian4.js, line 569

staticCartesian4.normalize(cartesian, result) → Cartesian4

Computes the normalized form of the supplied Cartesian.

Name	Type	Description
`cartesian`	Cartesian4	The Cartesian to be normalized.
`result`	Cartesian4	The object onto which to store the result.

Returns:

The modified result parameter.

Source: Core/Cartesian4.js, line 383

staticCartesian4.pack(value, array, startingIndex)

Stores the provided instance into the provided array.

Name	Type	Default	Description
`value`	Cartesian4		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.

Source: Core/Cartesian4.js, line 144

staticCartesian4.subtract(left, right, result) → Cartesian4

Computes the componentwise difference of two Cartesians.

Name	Type	Description
`left`	Cartesian4	The first Cartesian.
`right`	Cartesian4	The second Cartesian.
`result`	Cartesian4	The object onto which to store the result.

Returns:

The modified result parameter.

Source: Core/Cartesian4.js, line 486

staticCartesian4.unpack(array, startingIndex, result) → Cartesian4

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`	Cartesian4		optional The object into which to store the result.

Returns:

The modified result parameter or a new Cartesian4 instance if one was not provided.

Source: Core/Cartesian4.js, line 170