Line2D.hpp

/*
 * Line2D.hpp
 * 
 * Copyright 2021 Fernando Pujaico Rivera <fernando.pujaico.rivera@gmail.com>
 * 
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 * 
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
 * MA 02110-1301, USA.
 * 
 */
 
#ifndef __PDS_LINE2D_HPP__
#define __PDS_LINE2D_HPP__
 
#include <string>
#include <Pds/Matrix>
 
namespace Pds{
 
class Line2D
{
 
private:
    /* Ángulo de la distancia perpendicular a la linea.*/
    double theta;
    
    /* Distancia perpendicular a la linea.*/
    double rho;
 
public:
 
    Line2D(void);
    
    Line2D(double theta,double rho);
    
    Line2D(double a,double b,double c);
    
 
    Line2D(const Pds::Line2D &B);
 
    
    ~Line2D(); 
    
public:
 
    Pds::Matrix RandSamplesAngle(unsigned int L,double alpha1,double alpha2) const;
public:
 
    Pds::Vector EvalSamples(const Pds::Matrix &X) const;
    
    Pds::Vector DistanceTo(const Pds::Matrix &X) const;
    
public:
 
    double GetRho(void) const;
    
    double GetTheta(void) const;
    
    bool GetLinearForm( double &a,double &b,double &c) const;
public:
 
    static Pds::Line2D GetLine(const Pds::Matrix &X,const std::string &Type="CovEig");
    
    static Pds::Line2D GetLineCovEigMethod(const Pds::Matrix &X);
    
public:
 
    Pds::Line2D& operator = (const Pds::Line2D &B);
    
    bool Copy(const Pds::Line2D &B);
    
    void MakeEmpty(void);
    
    bool IsEmpty(void) const;
    
public:
 
    void Print(std::string str="") const;
    
public:
 
    Pds::Json ToJson(void) const;
    
    
    bool FromJson(const Pds::Json &J) ;
    
}; // Class Line2D
 
} // namespace Pds
 
 
    std::ostream& operator<<(std::ostream &out,const Pds::Line2D &z);
 
 
#endif