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# include "StdAfx.h"
# include <deque>
using namespace std ;
// 定义高程图像存储结构体
# pragma pack(1)
struct struDemPic
{
struDemPic ( )
{
pDEMData = NULL ;
} ;
virtual ~ struDemPic ( )
{
if ( pDEMData ! = NULL )
{
delete [ ] pDEMData ;
pDEMData = NULL ;
}
}
signed short int * pDEMData ;
string strDemName ;
double adfGeoTransform [ 6 ] ;
int iXSize ;
int iYSize ;
} ;
# pragma pack()
// 全局变量
extern std : : deque < struDemPic * > g_DemPicList ;
// 接口函数
//功能：基于经纬度读取地面高程
//输入：
// 1. dLonDeg: 经度（度）
// 2. dLatDeg: 纬度（度）
// 3. sDir: 高程数据文件存储路径， "...\\ElevationData"
//
//输出：
// 1. fElevator:高程（米）
//
//返回值： ， ，
bool GetDem ( float & fElevator , double dLonDeg , double dLatDeg , string sDir , bool bNearst ) ;
// 功能：
void ClearDemMem ( ) ;