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33 lines
1012 B
C++
33 lines
1012 B
C++
#pragma once
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#include <vector>
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#include "point.h"
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using namespace std;
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class TopologicalAnalysis
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{
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public:
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TopologicalAnalysis(void);
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~TopologicalAnalysis(void);
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bool isPointInLine(double* point, double* startPoint, double* endPoint,float tolerance=0.001);
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// 判断点是否在线上
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int isPointInPolyLine(double* point, vector<double>& lineX,vector<double>& lineY,float tolerance=0.001);
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bool isPointInLine(CPoint1 point, CPoint1 startPoint, CPoint1 endPoint);
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//根据两点求出垂线过第三点的直线的交点
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bool GetPointToLineVerticalCross(double* linePt1,double* linePt2,double* pt,double* crossPt);
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//判断点是否在多边形内，交点法
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bool isPointInPolygon(CPoint1 point, vector<CPoint1> polygon);
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//判断两条直线段是否相交
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bool isLineIntersect(CPoint1 line1Start, CPoint1 line1End, CPoint1 line2Start, CPoint1 line2End);
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// 计算两点的欧式距离, 未实现
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double getDistance(CPoint1 point1, CPoint1 point2);
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//计算一组CPoint1的最大X
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double getMaxX(vector<CPoint1> points);
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};
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