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GCS-GISControlDlg-for-981A-.../TopologicalAnalysis.h

33 lines
968 B
C++

#pragma once
#include <vector>
#include "point.h"
using namespace std;
class TopologicalAnalysis
{
public:
TopologicalAnalysis(void);
~TopologicalAnalysis(void);
bool isPointInLine(double* point, double* startPoint, double* endPoint);
// 判断点是否在线上
int isPointInPolyLine(double* point, vector<double>& lineX,vector<double>& lineY);
bool isPointInLine(CPoint1 point, CPoint1 startPoint, CPoint1 endPoint);
//根据两点求出垂线过第三点的直线的交点
bool GetPointToLineVerticalCross(double* linePt1,double* linePt2,double* pt,double* crossPt);
//判断点是否在多边形内,交点法
bool isPointInPolygon(CPoint1 point, vector<CPoint1> polygon);
//判断两条直线段是否相交
bool isLineIntersect(CPoint1 line1Start, CPoint1 line1End, CPoint1 line2Start, CPoint1 line2End);
// 计算两点的欧式距离, 未实现
double getDistance(CPoint1 point1, CPoint1 point2);
//计算一组CPoint1的最大X
double getMaxX(vector<CPoint1> points);
};