itkConformalFlatteningMeshFilter.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 itkConformalFlatteningMeshFilter_h
#define itkConformalFlatteningMeshFilter_h

#include "itkMesh.h"
#include "itkMeshToMeshFilter.h"

// vnl headers
#include "vnl/vnl_math.h"
#include "vnl/vnl_sparse_matrix.h"


namespace itk
{
template< typename TInputMesh, typename TOutputMesh >
class ConformalFlatteningMeshFilter:
  public MeshToMeshFilter< TInputMesh, TOutputMesh >
{
public:
  typedef ConformalFlatteningMeshFilter Self;

  typedef TInputMesh  InputMeshType;
  typedef TOutputMesh OutputMeshType;

  typedef MeshToMeshFilter< TInputMesh, TOutputMesh > Superclass;

  typedef SmartPointer< Self >       Pointer;
  typedef SmartPointer< const Self > ConstPointer;

  typedef typename InputMeshType::ConstPointer InputMeshConstPointer;
  typedef typename OutputMeshType::Pointer     OutputMeshPointer;
  typedef typename InputMeshType::PointType    InputPointType;
  typedef typename OutputMeshType::PointType   OutputPointType;

  //typedef typename TInputMesh::CoordRepType          CoordRepType;
  typedef double CoordRepType;

  itkNewMacro(Self);

  itkTypeMacro(ConformalFlatteningMeshFilter, MeshToMeshFilter);

  itkStaticConstMacro(InputPointDimension, unsigned int,
                      TInputMesh::PointDimension);
  itkStaticConstMacro(OutputPointDimension, unsigned int,
                      TOutputMesh::PointDimension);

  typedef typename InputMeshType::PointsContainer PointsContainer;
  typedef typename InputMeshType::CellsContainer  CellsContainer;
  typedef typename InputMeshType::PointIdentifier PointIdentifier;
  typedef typename InputMeshType::CellIdentifier  CellIdentifier;
  typedef typename PointsContainer::ConstIterator PointIterator;
  typedef typename CellsContainer::ConstIterator  CellIterator;
  typedef typename InputMeshType::CellType        CellType;
  typedef typename CellType::PointIdIterator      PointIdIterator;
  typedef typename CellType::CellAutoPointer      CellAutoPointer;

  void SetPolarCellIdentifier(CellIdentifier cellId);

  void SetScale(double);

  void MapToSphere();

  void MapToPlane();

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

  virtual void GenerateData() ITK_OVERRIDE;

private:
  //purposely not implemented
  ConformalFlatteningMeshFilter(const ConformalFlatteningMeshFilter &);
  //purposely not implemented
  void operator=(const ConformalFlatteningMeshFilter &);

  typedef vnl_vector< CoordRepType >        VectorCoordType;
  typedef vnl_sparse_matrix< CoordRepType > SparseMatrixCoordType;

  unsigned int m_PolarCellIdentifier;

  bool m_MapToSphere;

  double m_MapScale;
};
} // end namespace itk

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

#endif