#pragma once
#include "BaseElements.h"
//读写及操作dfg曲面
class GPline;
class AFX_EXT_CLASS GSurface
{
public:
	GSurface();
	~GSurface();
	bool ReadDfg(FILE* fr);
	bool ReadDfg(const char* filename);
	bool WriteDfg(FILE* fw);
	bool WriteDfg(const char* filename);

	void Clear(void); //清空
	 int Create(int numx, int numy, double x0, double y0, double dx, double dy);
	 int Create(int numx, int numy, double x0, double y0, double dx, double dy, double* values);
	 void SetZRange(double zmin, double zmax);
	 int XNum(void);
	 int YNum(void);
	 double X(int i);
	 double Y(int j);
	 double Z(int i, int j);
	 double Z(double x0, double y0);
	 //只取断层外部的结点插值
	 double Value(double x0, double y0, GPline* png);
	 int Value(double x0, double y0, double segX0, double segY0, double segX1, double segY1, bool clockwize, vector<GPoint3D>& ptsResult);
	 bool IsInRange(double z0);
	 void CalcRange(void);
	 double DeltX();
	 double DeltY();

protected:
	int 	m_num[2];		
	double	m_P0[2];		
	double	m_delt[2];		
	double	m_range[2];	
	double* m_u;


};