itkParameterizationQuadEdgeMeshFilter.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 __itkParameterizationQuadEdgeMeshFilter_h
#define __itkParameterizationQuadEdgeMeshFilter_h

#include "itkBorderQuadEdgeMeshFilter.h"
#include "itkQuadEdgeMeshParamMatrixCoefficients.h"

namespace itk
{
template< class TInputMesh, class TOutputMesh, class TSolverTraits >
class ITK_EXPORT ParameterizationQuadEdgeMeshFilter:
  public QuadEdgeMeshToQuadEdgeMeshFilter< TInputMesh, TOutputMesh >
{
public:

  typedef ParameterizationQuadEdgeMeshFilter Self;
  typedef QuadEdgeMeshToQuadEdgeMeshFilter< TInputMesh,
                                            TOutputMesh >                                   Superclass;
  typedef SmartPointer< Self >       Pointer;
  typedef SmartPointer< const Self > ConstPointer;

  typedef TInputMesh                              InputMeshType;
  typedef typename InputMeshType::Pointer         InputMeshPointer;
  typedef typename InputMeshType::ConstPointer    InputMeshConstPointer;
  typedef typename InputMeshType::CoordRepType    InputCoordRepType;
  typedef typename InputMeshType::PointType       InputPointType;
  typedef typename InputPointType::VectorType     InputPointVectorType;
  typedef typename InputMeshType::PointIdentifier InputPointIdentifier;
  typedef typename InputMeshType::QEType          InputQEType;
  typedef typename InputMeshType::VectorType      InputVectorType;
  typedef typename InputMeshType::EdgeListType    InputEdgeListType;
  typedef typename InputMeshType::PixelType       InputPixelType;
  typedef typename InputMeshType::Traits          InputTraits;

  itkStaticConstMacro(InputVDimension, unsigned int, InputMeshType::PointDimension);

  typedef typename InputMeshType::PointsContainer              InputPointsContainer;
  typedef typename InputMeshType::PointsContainerConstIterator InputPointsContainerConstIterator;

  typedef typename InputMeshType::CellsContainerConstIterator InputCellsContainerConstIterator;
  typedef typename InputMeshType::EdgeCellType                InputEdgeCellType;
  typedef typename InputMeshType::PolygonCellType             InputPolygonCellType;
  typedef typename InputMeshType::PointIdList                 InputPointIdList;

  typedef typename InputQEType::IteratorGeom InputQEIterator;

  typedef std::map< InputPointIdentifier, InputPointIdentifier > InputMapPointIdentifier;
  typedef typename InputMapPointIdentifier::iterator             InputMapPoinIdentifierIterator;

  typedef TOutputMesh                                      OutputMeshType;
  typedef typename OutputMeshType::Pointer                 OutputMeshPointer;
  typedef typename OutputMeshType::ConstPointer            OutputMeshConstPointer;
  typedef typename OutputMeshType::CoordRepType            OutputCoordRepType;
  typedef typename OutputMeshType::PointType               OutputPointType;
  typedef typename OutputMeshType::PointIdentifier         OutputPointIdentifier;
  typedef typename OutputMeshType::QEType                  OutputQEType;
  typedef typename OutputMeshType::VectorType              OutputVectorType;
  typedef typename OutputQEType::IteratorGeom              OutputQEIterator;
  typedef typename OutputMeshType::PointsContainerIterator OutputPointsContainerIterator;

  itkStaticConstMacro(OutputVDimension, unsigned int, OutputMeshType::PointDimension);

  typedef TSolverTraits                     SolverTraits;
  typedef typename SolverTraits::ValueType  ValueType;
  typedef typename SolverTraits::MatrixType MatrixType;
  typedef typename SolverTraits::VectorType VectorType;

  typedef BorderQuadEdgeMeshFilter< InputMeshType, InputMeshType > MeshBorderTransform;
  typedef typename MeshBorderTransform::Pointer                       MeshBorderTransformPointer;

  typedef MatrixCoefficients< InputMeshType > CoefficientsComputation;
public:

  void SetCoefficientsMethod(CoefficientsComputation *iMethod)
  {
    this->m_CoefficientsMethod = iMethod;
  }

  itkNewMacro(Self);
  itkTypeMacro(MeshParam, QuadEdgeMeshToQuadEdgeMeshFilter);

  itkSetObjectMacro(BorderTransform, MeshBorderTransform);
  itkGetObjectMacro(BorderTransform, MeshBorderTransform);
protected:

  ParameterizationQuadEdgeMeshFilter();
  virtual ~ParameterizationQuadEdgeMeshFilter() {}
  void PrintSelf(std::ostream & os, Indent indent) const;

  CoefficientsComputation *m_CoefficientsMethod;

  MeshBorderTransformPointer m_BorderTransform;

  // first is the id of the input mesh and second is the corresponding id
  // in m_BoundaryPtMap
  InputMapPointIdentifier m_BoundaryPtMap;

  // first is the id of the input mesh and second is the corresponding id
  // in m_InternalPtList
  InputMapPointIdentifier m_InternalPtMap;

  std::vector< OutputPointType > m_Border;

  void CopyToOutputBorder();

  void ComputeListOfInteriorVertices();

  void FillMatrix(MatrixType & iM, VectorType & ioBx, VectorType & ioBy);

  void SolveLinearSystems(const MatrixType & iM,
                          const VectorType & iBx,
                          const VectorType & iBy,
                          VectorType & oX,
                          VectorType & oY);

  void GenerateData();

private:

  ParameterizationQuadEdgeMeshFilter(const Self &); // purposely not implemented
  void operator=(const Self &);    // purposely not implemented
};
} // end namespace itk

#include "itkParameterizationQuadEdgeMeshFilter.hxx"

#endif