函数 createDefaultProps

返回 {
    allowPicking: undefined | boolean;
    ellipsoid: undefined | [x: number, y: number, z: number];
    extrudedHeight: undefined | number;
    granularity: undefined | number;
    height: undefined | number;
    material: ReactiveVariable<CzmMaterialJsonType>;
    position: ReactiveVariable<undefined | [number, number, number]>;
    radius: undefined | number;
    rotation: ReactiveVariable<[number, number, number]>;
    show: undefined | boolean;
    stRotation: undefined | number;
}