itkRegularSphereMeshSource.h

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/*=========================================================================
 *
 *  Copyright Insight Software Consortium
 *
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *         http://www.apache.org/licenses/LICENSE-2.0.txt
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 *
 *=========================================================================*/
#ifndef itkRegularSphereMeshSource_h
#define itkRegularSphereMeshSource_h

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

namespace itk
{
template< typename TOutputMesh >
class ITK_TEMPLATE_EXPORT RegularSphereMeshSource:public MeshSource< TOutputMesh >
{
public:
  ITK_DISALLOW_COPY_AND_ASSIGN(RegularSphereMeshSource);

  using Self = RegularSphereMeshSource;
  using Superclass = itk::MeshSource< TOutputMesh >;
  using Pointer = itk::SmartPointer< Self >;
  using ConstPointer = itk::SmartPointer< const Self >;

  itkNewMacro(Self);

  itkTypeMacro(RegularSphereMeshSource, MeshSource);

  using OutputMeshType = TOutputMesh;
  using MeshTraits = typename OutputMeshType::MeshTraits;
  using PointType = typename OutputMeshType::PointType;
  using PixelType = typename MeshTraits::PixelType;
  using VectorType = typename PointType::VectorType;

  using OutputMeshPointer = typename OutputMeshType::Pointer;
  using CellTraits = typename OutputMeshType::CellTraits;
  using PointsContainerPointer = typename OutputMeshType::PointsContainerPointer;
  using PointsContainer = typename OutputMeshType::PointsContainer;

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

  using IndexPairType = std::pair< IdentifierType, IdentifierType >;
  using PointMapType = itk::MapContainer< IndexPairType, IdentifierType >;

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

  itkSetMacro(Center, PointType);
  itkGetConstMacro(Center, PointType);

  itkSetMacro(Scale,  VectorType);
  itkGetConstMacro(Scale,  VectorType);

protected:
  RegularSphereMeshSource();
  ~RegularSphereMeshSource() override = default;
  void PrintSelf(std::ostream & os, itk::Indent indent) const override;

  void GenerateData() override;

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

  void AddCell(OutputMeshType *mesh, const typename OutputMeshType::PointIdentifier *pointIds, IdentifierType idx);

  PointType m_Center;

  unsigned int m_Resolution;

  VectorType m_Scale;
};
} // end namespace itk

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

#endif //_itkRegularSphereMeshSource_h