point3D.hpp

#ifndef POINT_3D_HPP
#define POINT_3D_HPP

#include "jmath/jblas.hpp"
#include <iostream>

namespace jafar {
  namespace model3d {

    class Point3D
    {
    public:
      enum STATE {BAD_POINT=0, GOOD_POINT=1};

      // constructors
      Point3D();
      virtual ~Point3D(){};
      Point3D(const Point3D&);
      Point3D(double x, double y, double z, double w=1);
      Point3D& operator=(const Point3D&);

      inline bool isGoodPoint(){ return state==GOOD_POINT;}

      inline double x() const {return coord[0];}
      inline double y() const {return coord[1];}
      inline double z() const {return coord[2];}
      inline double w() const {return coord[3];}
    
      
      // operator () & []
      inline double& operator() (int index)
      {return coord(index);}
      inline double& operator[] (int index)
      {return coord(index);}
      
      void setCoord(double x, double y, double z, double w=1);

      jblas::vec4& getCoord()
      {return coord;}
      
      virtual void clear();
      
      friend std::ostream& operator<< (std::ostream& os, const Point3D& pt);
      friend std::istream& operator>> (std::istream& is, Point3D& pt);
      
      enum COORD_INDEX {X=0, Y=1, Z=2, W=3};
      
      // Data Member
      jblas::vec4 coord;

      Point3D::STATE state;
    };
    
  }// namespace model3d
}// namespace jafar

#endif //POINT_3D_HPP