MeasureOfStraightLines.h

#if defined(MeasureOfStraightLines_RECURSES)
#error Recursive header files inclusion detected in MeasureOfStraightLines.h
#else // defined(MeasureOfStraightLines_RECURSES)

#define MeasureOfStraightLines_RECURSES

#if !defined MeasureOfStraightLines_h

#define MeasureOfStraightLines_h

// Inclusions
#include <iostream>
#include <vector>
#include "DGtal/base/Common.h"

namespace DGtal 
{
  
  // class MeasureOfStraightLines
  class MeasureOfStraightLines
  {
    // ----------------------- Standard services ------------------------------
  public:

    MeasureOfStraightLines();



    ~MeasureOfStraightLines();

    // ----------------------- Interface --------------------------------------
  public:

    void selfDisplay( std::ostream & out ) const;

    bool isValid() const;


    double computeMeasure(const std::vector<double> &a,const std::vector<double> &b);

    
    double computeCentroidA(const std::vector<double> &a,const std::vector<double> &b);

    
    double computeCentroidB(const std::vector<double> &a,const std::vector<double> &b);


    void setEpsilon(const double aValue);
    

    // ------------------------- Protected Datas ------------------------------
  private:
    // ------------------------- Private Datas --------------------------------
  private:
    double myEpsilon;

    // ------------------------- Hidden services ------------------------------
  protected:

  private:

    MeasureOfStraightLines( const MeasureOfStraightLines & other );

    MeasureOfStraightLines & operator=( const MeasureOfStraightLines & other );
    
  
    // ------------------------- Internals ------------------------------------
  private:

    double computeMeasureEdge ( double a0,double b0, double a1, double b1 );

    double computeCentroidEdge_a ( double a0,double b0, double a1, double b1 );

    double computeCentroidEdge_b ( double a0,double b0, double a1, double b1 );
    
    double __computeCentroidTriApprox_b ( double a0, double b0,double a1,double b1 );
    
    double  __computeCentroidEdgeApprox_b ( double a0, double b0,double a1,double b1 );


    double __computeCentroidSquare_b ( double x1, double y1, double x2,double y2 );


    int sign ( const double a );
     


  }; // end of class MeasureOfStraightLines


  std::ostream&
  operator<<( std::ostream & out, const MeasureOfStraightLines & object );

  
} // namespace DGtal


// Includes inline functions/methods if necessary.
#include "DGtal/math/MeasureOfStraightLines.ih"

//                                                                           //

#endif // !defined MeasureOfStraightLines_h

#undef MeasureOfStraightLines_RECURSES
#endif // else defined(MeasureOfStraightLines_RECURSES)