interface ViewShedOptions {
    cameraPosition: Cesium.Cartesian3;
    /** 视图 */
    viewer: Cesium.Viewer;
    /** 观测位置 */
    viewPosition: Cesium.Cartesian3;
    /** 观测方位角 默认为`0`,范围`0~360` */
    direction: number;
    /** 俯仰角,范围`-90~90`,默认为`0` */
    pitch: number;
    /** 可视域水平夹角,默认为 `90`,范围`0~360` */
    horizontalViewAngle?: number;
    /** 可视域垂直夹角,默认为`60`,范围`0~180` */
    verticalViewAngle?: number;
    /** 可视区域颜色,默认为`green` */
    visibleAreaColor?: Cesium.Color;
    /** 不可见区域颜色,默认为`red` */
    invisibleAreaColor?: Cesium.Color;
    /** 可视距离,单位`米`,默认为`100` */
    visualRange?: number;
}
export default class ViewShed {
    private viewer;
    private datasource;
    private radar;
    /** 观测位置 */
    private viewPosition;
    private cameraPosition;
    /** 方向角 -180~180 */
    private _direction;
    /** 机方向与地平面的角度 */
    private _pitch;
    /** 可视域水平夹角,默认为 `90` */
    private _horizontalViewAngle;
    /** 可视域垂直夹角,默认为`60` */
    private _verticalViewAngle;
    /** 可视区域颜色,默认为`green` */
    private _visibleAreaColor;
    /** 不可见区域颜色,默认为`red` */
    private _invisibleAreaColor;
    /** 可视距离,单位`米` */
    private _visualRange;
    _defaultColorTexture: any;
    lightCamera: any;
    private shadowMap;
    private postStage;
    frustumQuaternion: any;
    constructor(options: ViewShedOptions);
    get visibleAreaColor(): Cesium.Color;
    set visibleAreaColor(val: Cesium.Color);
    get invisibleAreaColor(): Cesium.Color;
    set invisibleAreaColor(val: Cesium.Color);
    get horizontalViewAngle(): number;
    set horizontalViewAngle(val: number);
    get verticalViewAngle(): number;
    set verticalViewAngle(val: number);
    get direction(): number;
    set direction(val: number);
    get pitch(): number;
    set pitch(val: number);
    get visualRange(): number;
    set visualRange(val: number);
    setCameraView(): void;
    createShadowMap(): void;
    updateViewShed(): void;
    getFrustumQuaternion(cpos: any, viewPosition: any): Cesium.Quaternion;
    clearAll(): void;
    removeProcessStageById(id: string): void;
    findProcessStageById(id: string): Cesium.PostProcessStage | Cesium.PostProcessStageComposite;
    createPostStage(): void;
    update(frameState: any): void;
    getSceneDepthTexture(viewer: any): any;
    removeRadar(): void;
    resetRadar(): void;
    addRadar(): void;
}
export {};