PositionPropertyArray - Cesium Documentation

# PositionPropertyArray

#### new PositionPropertyArray(value)

  A `PositionProperty` whose value is an array whose items are the computed value of other PositionProperty instances.

  Name | Type | Description
  --- | --- | ---
  `value` | Array.<Property> | optional An array of Property instances.

  Source: DataSources/PositionPropertyArray.js, line 31

### Members

#### readonlydefinitionChanged :Event

  Gets the event that is raised whenever the definition of this property changes. The definition is changed whenever setValue is called with data different than the current value or one of the properties in the array also changes.
  Source: DataSources/PositionPropertyArray.js, line 73

#### readonlyisConstant :Boolean

  Gets a value indicating if this property is constant. This property is considered constant if all property items in the array are constant.
  Source: DataSources/PositionPropertyArray.js, line 48

#### referenceFrame :ReferenceFrame

  Gets the reference frame in which the position is defined.
  Default Value: `ReferenceFrame.FIXED;`
  Source: DataSources/PositionPropertyArray.js, line 84

### Methods

#### equals(other) → Boolean

  Compares this property to the provided property and returns `true` if they are equal, `false` otherwise.

  Name | Type | Description
  --- | --- | ---
  `other` | Property | optional The other property.

  ##### Returns:

  `true` if left and right are equal, `false` otherwise.
  Source: DataSources/PositionPropertyArray.js, line 175

#### getValue(time, result) → Array.<Cartesian3>

  Gets the value of the property.

  Name | Type | Description
  --- | --- | ---
  `time` | JulianDate | optional The time for which to retrieve the value. This parameter is unused since the value does not change with respect to time.
  `result` | Array.<Cartesian3> | optional The object to store the value into, if omitted, a new instance is created and returned.

  ##### Returns:

  The modified result parameter or a new instance if the result parameter was not supplied.
  Source: DataSources/PositionPropertyArray.js, line 98

#### getValueInReferenceFrame(time, referenceFrame, result) → Cartesian3

  Gets the value of the property at the provided time and in the provided reference frame.

  Name | Type | Description
  --- | --- | ---
  `time` | JulianDate | The time for which to retrieve the value.
  `referenceFrame` | ReferenceFrame | The desired referenceFrame of the result.
  `result` | Cartesian3 | optional The object to store the value into, if omitted, a new instance is created and returned.

  ##### Returns:

  The modified result parameter or a new instance if the result parameter was not supplied.
  Source: DataSources/PositionPropertyArray.js, line 110

#### setValue(value)

  Sets the value of the property.

  Name | Type | Description
  --- | --- | ---
  `value` | Array.<Property> | An array of Property instances.

  Source: DataSources/PositionPropertyArray.js, line 149