Point.h

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#pragma once
 
#include <cmath>
 
namespace Point
{
    //____________________________________________________________________________
    struct Point2D
    {
        double x, y;
 
        Point2D() : x(0.0), y(0.0) {}
        Point2D(double x, double y) : x(x), y(y) {}
    };
    
    
    struct Point2DwID 
    {
        
        double x;
        double y;
        int trkID;
        int PID;
        double closedis;  
        
        Point2DwID() : x(-99999999), y(-99999999), trkID(-99999999), PID(-99999999), closedis(-99) {}
 
        Point2DwID(double x, double y, int trkID, int PID, double closedis) : x(x), y(y), trkID(trkID), PID(PID), closedis(closedis) {}
    };
    
    
    //____________________________________________________________________________
    struct Point3D
    {
        double x, y, z;
    };
    
    
    //____________________________________________________________________________
    double GetDistance2D(double x1, double y1, double x2, double y2)
    {
        return std::sqrt(std::pow(x2 - x1, 2) + std::pow(y2 - y1, 2));
    }
}