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#pragma once
#include <vector>
#include <cmath>
using namespace std;
#define PI 3.14159265358979323846
class GeoCompute
{
public:
GeoCompute(void);
~GeoCompute(void);
/*@brief 根据起点坐标、方位角、距离，计算另一点坐标。
* 使用Vincenty's公式求解,使用WGS-84椭球
* startPoint:起始点地理坐标点（lat(-90到90)，lon(-180,180)）
* bearing:方位角（度）
* dist:两点之间距离(km)
*/
void computeOffsetGeoPosition(double lon1, double lat1, double bearing, double dist,double& targetLon,double& targetLat);
// 使用Vincenty's公式计算地理距离(m)
double VincentyDistance(double lon1, double lat1, double lon2, double lat2);
};