Metadata identifying parameters using same correlation modeling and
associated correlation parameters.
This reflects the `correlationGroup` definition of the
NGA_gpm_local glTF extension.
    
| 参数名称 | 类型 | 描述信息 | 
|---|---|---|
| options | CorrelationGroup.ConstructorOptions | An object describing initialization options | 
Experimental
This feature is not final and is subject to change without Cesium's standard deprecation policy.
成员(属性)
    Array of 3 booleans indicating if parameters delta-x delta-y delta-z
used in the correlation group
readonly params : Array.<Spdcf>
    Array of 3 sets of SPDCF parameters, for the U, V, W directions, respectively
readonly rotationThetas : Cartesian3
    Rotations in milliradians about X, Y, Z axes, respectively
定义的类型
    Initialization options for the CorrelationGroup constructor
属性:
| 属性名称 | 类型 | 描述信息 | 
|---|---|---|
| groupFlags | Array.<boolean> | Array of 3 booleans indicating if parameters delta-x delta-y delta-z used in the correlation group | 
| rotationThetas | Cartesian3 | Rotations in milliradians about X, Y, Z axes, respectively | 
| params | Array.<Spdcf> | Array of `Spdcf` (Strictly Positive-Definite Correlation Function) parameters, for the U, V, W directions, respectively | 
