itkRegularSphereMeshSource.h

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/*=========================================================================
 *
 *  Copyright NumFOCUS
 *
 *  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
 *
 *         https://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_MOVE(RegularSphereMeshSource);

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

  itkNewMacro(Self);

  itkOverrideGetNameOfClassMacro(RegularSphereMeshSource);

  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