itkPolyLineParametricPath.h

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

  Program:   Insight Segmentation & Registration Toolkit
  Module:    $RCSfile: itkPolyLineParametricPath.h,v $
  Language:  C++
  Date:      $Date: 2005/07/13 22:32:22 $
  Version:   $Revision: 1.6 $

  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 _itkPolyLineParametricPathPath_h
#define _itkPolyLineParametricPathPath_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;
  
  //  * input.  This is an exact, algebraic function. */
  //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;
};

} // namespace itk

#ifndef ITK_MANUAL_INSTANTIATION
#include "itkPolyLineParametricPath.txx"
#endif

#endif

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