@orca-fe/x-map/lib/utils/math.d.ts

/**
 * 计算曲线中间点位置
 * @param p1
 * @param p2
 * @param alpha 中间点高度
 * @returns {{radii: number,
 * distance: number,
 */
import { Point } from '../defs';
export declare const getCPoints: (p1: Point, p2: Point, alpha: number) => {
    radii: number;
    distance: number;
    center: number[];
    cp: number[];
};
export declare const calcQuadBezierCurve: (a: number, c: number, b: number, d: number) => number;
/**
 * 计算曲线某一刻坐标位置
 * @param p1 起始点
 * @param p2 中间点
 * @param p3 结束点
 * @param alpha 百分比
 * @returns {{x, y: *}}
 */
export declare const calcQuadBezierCurvePoint: (p1: Point, p2: Point, p3: Point, alpha: number) => number[];
export declare const calcBezierCPHeight: (minHeight: number, maxHeight: number, num: number, allowNegative: boolean) => number[];
/**
 * caculate the great circle distance
 * 计算地球面上两个点之间的距离
 */
export declare const getGreatCircleDistance: (p1: Point, p2: Point) => number;