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/*=========================================================================
Program: Insight Segmentation & Registration Toolkit
Module: $RCSfile: itkRegularSphereMeshSource.h,v $
Language: C++
Date: $Date: 2006-02-05 20:57:46 $
Version: $Revision: 1.5 $
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
{
/** \class RegularSphereMeshSource
* \brief
* Inputs are the center of the mesh, the scale (radius in each dimension) of the mesh
* and a resolution parameter, which corresponds to the recursion
* depth whlie creating a spherical triangle mesh.
*
* Don't use recursion depths larger than 5, because mesh generation gets very slow.
*
* \author Thomas Boettger. Division Medical and Biological Informatics, German Cancer Research Center, Heidelberg.
*
*/
template <class TOutputMesh>
class RegularSphereMeshSource : public MeshSource<TOutputMesh>
{
public:
/** Standard "Self" typedef. */
typedef RegularSphereMeshSource Self;
typedef itk::MeshSource<TOutputMesh> Superclass;
typedef itk::SmartPointer<Self> Pointer;
typedef itk::SmartPointer<const Self> ConstPointer;
/** Method for creation through the object factory. */
itkNewMacro(Self);
/** Run-time type information (and related methods). */
itkTypeMacro(RegularSphereMeshSource, MeshSource);
/** Hold on to the type information specified by the template parameters. */
typedef TOutputMesh OutputMeshType;
typedef typename OutputMeshType::MeshTraits MeshTraits;
typedef typename OutputMeshType::PointType PointType;
typedef typename MeshTraits::PixelType PixelType;
/** Some convenient typedefs. */
typedef typename OutputMeshType::Pointer OutputMeshPointer;
typedef typename OutputMeshType::CellTraits CellTraits;
typedef typename OutputMeshType::PointsContainerPointer PointsContainerPointer;
typedef typename OutputMeshType::PointsContainer PointsContainer;
/** Define the triangular cell types which form the surface */
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;
/** Set the resolution level to be used for generating cells in the Sphere.
* High values of this parameter will produce sphere with more triangles. */
itkSetMacro(Resolution, unsigned int);
itkGetMacro(Resolution, unsigned int);
/** Set/Get Coordinates of the Sphere center. */
itkSetMacro( Center, PointType );
itkGetMacro( Center, PointType );
/** Set/Get scales of the Sphere. This is a vector of values that can
* actually be used for generating ellipsoids aligned with the coordinate
* axis. */
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);
/** model center */
PointType m_Center;
/** models resolution */
unsigned int m_Resolution;
/** model scales */
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
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