itkRegularSphereMeshSource.h

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

  Program:   Insight Segmentation & Registration Toolkit
  Module:    $RCSfile: itkRegularSphereMeshSource.h,v $
  Language:  C++
  Date:      $Date: 2009-01-26 21:45:57 $
  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 __itkRegularSphereMeshSource_h
#define __itkRegularSphereMeshSource_h

#include "itkMesh.h"
#include "itkMeshSource.h"
#include "itkTriangleCell.h"
#include "itkMapContainer.h"

namespace itk
{

template <class TOutputMesh>
class RegularSphereMeshSource : public MeshSource<TOutputMesh>
{
public:
  typedef RegularSphereMeshSource         Self;
  typedef itk::MeshSource<TOutputMesh>    Superclass;
  typedef itk::SmartPointer<Self>         Pointer;
  typedef itk::SmartPointer<const Self>   ConstPointer;

  itkNewMacro(Self);  

  itkTypeMacro(RegularSphereMeshSource, MeshSource);

  typedef TOutputMesh                           OutputMeshType;
  typedef typename OutputMeshType::MeshTraits   MeshTraits;
  typedef typename OutputMeshType::PointType    PointType;
  typedef typename MeshTraits::PixelType        PixelType;  

  typedef typename OutputMeshType::Pointer                OutputMeshPointer;
  typedef typename OutputMeshType::CellTraits             CellTraits;
  typedef typename OutputMeshType::PointsContainerPointer PointsContainerPointer;
  typedef typename OutputMeshType::PointsContainer        PointsContainer;

  typedef itk::CellInterface<PixelType, CellTraits>   CellInterfaceType;
  typedef itk::TriangleCell<CellInterfaceType>        TriCellType;
  typedef typename TriCellType::SelfAutoPointer       TriCellAutoPointer;
  typedef typename TriCellType::CellAutoPointer       CellAutoPointer;

  typedef std::pair<unsigned long,unsigned long>          IndexPairType;
  typedef itk::MapContainer<IndexPairType, unsigned long> PointMapType;
  typedef typename PointType::VectorType                  VectorType;
    

  itkSetMacro(Resolution, unsigned int);
  itkGetMacro(Resolution, unsigned int);

  itkSetMacro( Center, PointType  );
  itkGetMacro( Center, PointType  );

  itkSetMacro( Scale,  VectorType );
  itkGetMacro( Scale,  VectorType );

protected:
  RegularSphereMeshSource();
  ~RegularSphereMeshSource() {}
  void PrintSelf(std::ostream& os, itk::Indent indent) const;

  void GenerateData();

  PointType Divide( const PointType & p1, const PointType & p2) const;

  void AddCell( OutputMeshType * mesh, const unsigned long * pointIds, unsigned long idx);

  PointType m_Center; 

  unsigned int m_Resolution;

  VectorType m_Scale;


private:
  RegularSphereMeshSource(const Self&); //purposely not implemented
  void operator=(const Self&); //purposely not implemented
};

} // end namespace itk

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

#endif //_itkRegularSphereMeshSource_h