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#ifndef QB_IMGPROCESS_H
#define QB_IMGPROCESS_H
#ifdef IMGPROCESS_EXPORTS
#define IMGPROCESS_API __declspec(dllexport)
#else
#define IMGPROCESS_API __declspec(dllimport)
#endif
//10 功能：基于经纬度读取地面高程
//输入：
// 1. fLonDeg: 经度（度）
// 2. fLatDeg: 纬度（度）
// 3. sDir: 高程数据文件存储路径， 默认设为："D:\\ElevationData"
//
//输出：
// 1. fElevator:高程（米）
//返回值：若函数运行成功，返回true，否则返回false
IMGPROCESS_API bool GetElevation( float& fElevator, double dLonDeg, double dLatDeg, string sDir);
IMGPROCESS_API void ClearDem();