gridcalculate.h

经纬度坐标转和99方格坐标互相转换的小程序。

#pragma once
#include <string>

using namespace std;
class CGridCalculate
{
public:
	 CGridCalculate(void);
	 ~CGridCalculate(void);
	 string GetGrid(double posx,double posy,int level);//string grid=m_ptrGridCalculate->GetGrid(mapx,mapy,3);
	 void InitCenter(double x,double y,int gx,int gy);
private:
	 void CalculateGrid(string& grid,double pos1x,double pos1y,double pos2x,double pos2y,int level);
	 
	int intGrid[3][3];
	int FirstGridX;
	int FirstGridY;
	double FirstMapX;
	double FirstMapY;
	

};