import { Rectangle, Cartesian3 } from '@cesium/engine';
import * as Cesium from "@cesium/engine";
interface ILabelPoint {
    id: number;
    minZoom?: number;
    maxZoom?: number;
    name: string;
    position: Cartesian3;
    textWidth: number;
    textHeight: number;
    childOptions?: any;
}
/**
 * 初始化加载点注记图层数据
 * @param layerID  图层ID
 * @param labelGeojsonURL geojsonURL地址
 * @param fieldName label字段属性
 * @param filterField 过滤字段属性
 * @returns
 */
export declare function loadLabelPoints(layerID: string, labelGeojsonURL: string, vtStyle: any): Promise<{
    min: any;
    max: any;
}>;
/**
 * 设置： 取消标志量
 */
export declare function cancelPromise(layerID: string): void;
/**
 * 范围内的所有点索引ID
 * @param layerID 图层ID
 * @param bounds 可视范围
 * @returns
 */
export declare function filterByBounds(layerID: string, bounds: Rectangle, level?: number): number[] | undefined;
/**
 * 根据索引ID，获取点对象列表（用于空间计算）
 * @param layerID
 * @param ids
 * @returns
 */
export declare function getFilterPointsList(layerID: string, ids: number[]): Array<ILabelPoint> | undefined;
/**
 * 获取Label注记实体列表
 * @param layerID
 * @param ids
 * @returns
 */
export declare function getLabelEntities(layerID: string, ids: number[]): Array<{
    labelOption: any;
    billboardOption?: any;
}> | undefined;
/**
 * 判断点是否在球的正面
 * @param position
 * @returns
 */
export declare function isPointOnFrontOfGlobe(point: Cartesian3, cameraPosition: Cesium.Cartesian3): boolean;
/**
 * 根据图层ID和索引数组，获取点列表
 * @param layerID
 * @param ids
 * @returns
 */
export declare function getLabelPointList(layerID: string, ids: number[]): Array<ILabelPoint> | undefined;
/**
 * 判断是否相交
 * 循环遍历
 * @param layerID 图层ID
 * @param ptRectBound 面
 * @param numKey 索引号
 * @returns
 */
export declare function checkRectangleNoIntersect(layerID: string, ptRectBound: Cesium.BoundingRectangle, numKey: number): boolean;
/**
 * 移除标注范围
 * @param layerID
 * @param idNum
 */
export declare function deleteLabelRectangle(layerID: string, idNum: number): boolean;
/**
 * 检测两个屏幕空间矩形是否重叠
 * @param {Cesium.BoundingRectangle} rectA - 第一个矩形
 * @param {Cesium.BoundingRectangle} rectB - 第二个矩形
 * @returns {boolean} 是否相交
 */
export declare function isOverlapping(rectA: Cesium.BoundingRectangle, rectB: Cesium.BoundingRectangle): boolean;
/**
 * 清空某个图层的缓存资源
 * @param layerID
 */
export declare function clear(layerID: string): void;
export {};