A
Property whose value is an array whose items are the computed value
of other PositionProperty instances.
| 参数名称 | 类型 | 默认值 | 描述信息 |
|---|---|---|---|
value |
Array.<Property> | 可选 An array of Property instances. | |
referenceFrame |
ReferenceFrame |
ReferenceFrame.FIXED
|
可选 The reference frame in which the position is defined. |
成员(属性)
readonly definitionChanged : 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.
Gets a value indicating if this property is constant. This property
is considered constant if all property items in the array are constant.
referenceFrame : ReferenceFrame
Gets the reference frame in which the position is defined.
-
默认值:
ReferenceFrame.FIXED;
方法
Compares this property to the provided property and returns
true if they are equal, false otherwise.
| 参数名称 | 类型 | 描述信息 |
|---|---|---|
other |
Property | 可选 The other property. |
返回值:
true if left and right are equal, false otherwise.
getValue(time, result) → Array.<Cartesian3>
Gets the value of the property.
| 参数名称 | 类型 | 默认值 | 描述信息 |
|---|---|---|---|
time |
JulianDate |
JulianDate.now()
|
可选 The time for which to retrieve the value. If omitted, the current system time is used. |
result |
Array.<Cartesian3> | 可选 The object to store the value into, if omitted, a new instance is created and returned. |
返回值:
The modified result parameter or a new instance if the result parameter was not supplied.
getValueInReferenceFrame(time, referenceFrame, result) → Array.<Cartesian3>
Gets the value of the property at the provided time and in the provided reference frame.
| 参数名称 | 类型 | 描述信息 |
|---|---|---|
time |
JulianDate | The time for which to retrieve the value. |
referenceFrame |
ReferenceFrame | The desired referenceFrame of the result. |
result |
Array.<Cartesian3> | 可选 The object to store the value into, if omitted, a new instance is created and returned. |
返回值:
The modified result parameter or a new instance if the result parameter was not supplied.
Sets the value of the property.
| 参数名称 | 类型 | 描述信息 |
|---|---|---|
value |
Array.<Property> | An array of Property instances. |