itkPolyLineParametricPath.h

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/*=========================================================================

  Program:   Insight Segmentation & Registration Toolkit
  Module:    $RCSfile: itkPolyLineParametricPath.h,v $
  Language:  C++
  Date:      $Date: 2009-03-03 15:07:57 $
  Version:   $Revision: 1.9 $

  Copyright (c) Insight Software Consortium. All rights reserved.
  See ITKCopyright.txt or http://www.itk.org/HTML/Copyright.htm for details.

     This software is distributed WITHOUT ANY WARRANTY; without even 
     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR 
     PURPOSE.  See the above copyright notices for more information.

=========================================================================*/
#ifndef __itkPolyLineParametricPath_h
#define __itkPolyLineParametricPath_h

#include "itkParametricPath.h"
#include "itkVectorContainer.h"
#include "itkContinuousIndex.h"
#include "itkIndex.h"
#include "itkOffset.h"
#include "itkVector.h"

namespace itk
{


template <unsigned int VDimension>
class ITK_EXPORT PolyLineParametricPath : public
ParametricPath< VDimension >
{
public:
  typedef PolyLineParametricPath      Self;
  typedef ParametricPath<VDimension>  Superclass;
  typedef SmartPointer<Self>          Pointer;
  typedef SmartPointer<const Self>    ConstPointer;

  itkTypeMacro(PolyLineParametricPath, ParametricPath);

  typedef typename Superclass::InputType  InputType;

  typedef typename Superclass::OutputType OutputType;

  
  typedef ContinuousIndex<double,VDimension>    ContinuousIndexType;
  typedef Index<  VDimension >                  IndexType;
  typedef Offset< VDimension >                  OffsetType;
  typedef Point<double,VDimension>              PointType;
  typedef Vector<double,VDimension>             VectorType;
  typedef ContinuousIndexType                   VertexType;
  typedef VectorContainer<unsigned, VertexType> VertexListType;
  typedef typename VertexListType::Pointer      VertexListPointer;


  virtual OutputType Evaluate( const InputType & input ) const;

  //virtual VectorType EvaluateDerivative(const InputType & input) const;

  inline void AddVertex( const ContinuousIndexType & vertex )
    {
    m_VertexList->InsertElement( m_VertexList->Size(), vertex );
    this->Modified();
    }

  virtual inline InputType EndOfInput() const
    {
    return m_VertexList->Size() - 1;
    }

  itkNewMacro( Self );

  virtual void Initialize(void)
    {
    m_VertexList->Initialize();
    }

  itkGetConstObjectMacro( VertexList, VertexListType );

protected:
  PolyLineParametricPath();
  ~PolyLineParametricPath(){}
  void PrintSelf(std::ostream& os, Indent indent) const;
  
private:
  PolyLineParametricPath(const Self&); //purposely not implemented
  void operator=(const Self&); //purposely not implemented
  
  VertexListPointer m_VertexList;
};

} // end namespace itk

// Define instantiation macro for this template.
#define ITK_TEMPLATE_PolyLineParametricPath(_, EXPORT, x, y) namespace itk { \
  _(1(class EXPORT PolyLineParametricPath< ITK_TEMPLATE_1 x >)) \
  namespace Templates { typedef PolyLineParametricPath< ITK_TEMPLATE_1 x > \
                                                  PolyLineParametricPath##y; } \
  }

#if ITK_TEMPLATE_EXPLICIT
# include "Templates/itkPolyLineParametricPath+-.h"
#endif

#if ITK_TEMPLATE_TXX
# include "itkPolyLineParametricPath.txx"
#endif

#endif

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