ConstantProperty

new Cesium.ConstantProperty(value)

A Property whose value does not change with respect to simulation time.
参数名称 类型 描述信息
value * 可选 The property value.
参考:

成员(属性)

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.

readonly isConstant : boolean

Gets a value indicating if this property is constant. This property always returns true.

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)object

Gets the value of the property.
参数名称 类型 描述信息
time JulianDate 可选 The time for which to retrieve the value. This parameter is unused since the value does not change with respect to time.
result object 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 * The property value.
Creates a string representing this property's value.
返回值:
A string representing the property's value.
Gets this property's value.
返回值:
This property's value.