tin.h

这是我自己写的从数据库中读出数据

// Tin.h: interface for the CTin class.
//
//////////////////////////////////////////////////////////////////////

#if !defined(AFX_TIN_H__46C6575A_DCD7_4338_AC61_D548DA90B7F7__INCLUDED_)
#define AFX_TIN_H__46C6575A_DCD7_4338_AC61_D548DA90B7F7__INCLUDED_

#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000

#include "Entity.h"

class CTin  
{
public:
	void CreateTin2();
	bool TestCross(CNode *node1,CNode *node2,CNode *node3,CNode *node4);
	void CreateTin();
	void CreateCDTin();
	CTin();
	virtual ~CTin();

	struct cvPoint
{
	float x, y, z; //点的坐标
};

	float k1,k2;

	float x0,y0;
	float size;//冗差控制
	int m_nCurrentLayer;//当前的层编号
	float xMin,xMax,yMin,yMax;//边界值

private:
	void CrossLastPoly(CNode *node,CEdge *edge,CPolygon *pl1,CPolygon *pl2,int n);
	void CrossPolygon(CNode *node,CEdge *edge,CPolygon *pol1,CPolygon *pol2,CPolygon *pol,int n);
	void InitTin3();
	void InverseInsert(CEdge *edge1,CPolygon *ploy1,CPolygon *poly2,CNode *nod,CNode *nodebegin);
	void GetTheCrossEdge(CNode *node1,CNode *node2,CEdge *edge1,CEdge *edge2,CPolygon *loc);
	CEdge* GetCrossEdge(CNode *node1,CNode *node2,CPolygon *polygon,int i);
	CPolygon* InsertNode1(CNode *pNode,CNode *node,CPolygon *pTinTriangle,CPolygon *poly,CEdge *edge,int m);
	
    CPolygon * CTin::InsertNode2(CNode *node, CPolygon *poly,int n);
	double Area(CNode *pNode1,CNode *pNode2,CNode *pNode3);
	bool TestEdge(CNode *pNode0,CNode *pNode1,CNode *pNode2,CNode *pNode3);
	void Leagalize(CNode *node,CPolygon *polygon);
	void Discard();
	int InTinTriangle(CNode *pNode,CPolygon *pTinTriangle);
	void InsertNode(CNode *pNode,CPolygon *pTinTriangle);
	double Lenth2(CNode *pNode1,CNode *pNode2);
	CPolygon* LocationNode(CNode *pNode);
	void InitTin2();
	void InitTin();
};

#endif // !defined(AFX_TIN_H__46C6575A_DCD7_4338_AC61_D548DA90B7F7__INCLUDED_)