ParametricShapeCurvatureFunctor.h

 
#pragma once
 
#if defined(ParametricShapeCurvatureFunctor_RECURSES)
#error Recursive header files inclusion detected in ParametricShapeCurvatureFunctor.h
#else // defined(ParametricShapeCurvatureFunctor_RECURSES)
 
#define ParametricShapeCurvatureFunctor_RECURSES
 
#if !defined ParametricShapeCurvatureFunctor_h
 
#define ParametricShapeCurvatureFunctor_h
 
// Inclusions
#include <iostream>
#include "DGtal/base/Common.h"
 
namespace DGtal
{
 
  // template class ParametricShapeCurvatureFunctor
  template <typename TParametricShape>
  class ParametricShapeCurvatureFunctor
  {
    
    // ----------------------- Standard services ------------------------------
  public:
 
    typedef TParametricShape ParametricShape;
 
    typedef typename TParametricShape::RealPoint RealPoint;
 
    typedef double Quantity;
 
    ParametricShapeCurvatureFunctor() = delete;
 
 
    ParametricShapeCurvatureFunctor(const ParametricShape &aShape): myShape(aShape) {}
    
    
    ~ParametricShapeCurvatureFunctor() = default;
    
 
    // ----------------------- Interface --------------------------------------
  public:
    ParametricShapeCurvatureFunctor & operator= ( const ParametricShapeCurvatureFunctor & other ) = delete;
   
    Quantity operator()(const RealPoint &aPoint) const
    {
      double t = myShape.parameter( aPoint );
      return myShape.curvature( t );
    }
    
 
    // ------------------------- Private Datas --------------------------------
  private:
    
    const ParametricShape &myShape;
    
    // ------------------------- Internals ------------------------------------
  private:
    
  }; // end of class ParametricShapeCurvatureFunctor
  
} // namespace DGtal
 
                                                                        //
 
#endif // !defined ParametricShapeCurvatureFunctor_h
 
#undef ParametricShapeCurvatureFunctor_RECURSES
#endif // else defined(ParametricShapeCurvatureFunctor_RECURSES)