text: /*=========================================================================
   *
   *  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 itkLaplacianDeformationQuadEdgeMeshFilterWithHardConstraints_h
  #define itkLaplacianDeformationQuadEdgeMeshFilterWithHardConstraints_h
  
  #include "itkLaplacianDeformationQuadEdgeMeshFilter.h"
  
  namespace itk
  {
  /**
   *  \class LaplacianDeformationQuadEdgeMeshFilterWithHardConstraints
   *
   *  \brief Laplacian mesh deformation with hard constraints (interpolating
   *  displacement for some handle points)
   *
   * Laplacian mesh deformation offers the ability to deform 3D surface mesh
   * while preserving local details.
   *
   * In this context output mesh vertices are exactly constrained to provided output locations.
   *
   *  For details, see https://hdl.handle.net/10380/3410
   *
   *  \ingroup ITKQuadEdgeMeshFiltering
   */
  template< class TInputMesh, class TOutputMesh, class TSolverTraits >
  class ITK_TEMPLATE_EXPORT LaplacianDeformationQuadEdgeMeshFilterWithHardConstraints:
    public LaplacianDeformationQuadEdgeMeshFilter< TInputMesh, TOutputMesh, TSolverTraits >
  {
  public:
    /** Basic types. */
    typedef LaplacianDeformationQuadEdgeMeshFilterWithHardConstraints       Self;
    typedef LaplacianDeformationQuadEdgeMeshFilter< TInputMesh,
                                              TOutputMesh, TSolverTraits >  Superclass;
    typedef SmartPointer< Self >                                            Pointer;
    typedef SmartPointer< const Self >                                      ConstPointer;
  
    /** Input types. */
    typedef TInputMesh                              InputMeshType;
  
    itkStaticConstMacro(InputPointDimension, unsigned int, InputMeshType::PointDimension);
  
    /** Output types. */
    typedef TOutputMesh                                         OutputMeshType;
    typedef typename Superclass::OutputPointType                OutputPointType;
    typedef typename Superclass::OutputCoordRepType             OutputCoordRepType;
    typedef typename Superclass::OutputPointIdentifier          OutputPointIdentifier;
  
    itkStaticConstMacro(OutputPointDimension, unsigned int, OutputMeshType::PointDimension);
  
    typedef TSolverTraits                     SolverTraits;
    typedef typename Superclass::ValueType    ValueType;
    typedef typename Superclass::MatrixType   MatrixType;
    typedef typename Superclass::VectorType   VectorType;
  
    itkNewMacro(Self);
    itkTypeMacro(LaplacianDeformationQuadEdgeMeshFilterWithHardConstraints,
                 LaplacianDeformationQuadEdgeMeshFilter);
  
  protected:
  
    LaplacianDeformationQuadEdgeMeshFilterWithHardConstraints();
    virtual ~LaplacianDeformationQuadEdgeMeshFilterWithHardConstraints() {}
    void PrintSelf(std::ostream & os, Indent indent) const ITK_OVERRIDE;
  
    typedef typename Superclass::OutputMapPointIdentifier               OutputMapPointIdentifier;
    typedef typename Superclass::OutputMapPointIdentifierIterator       OutputMapPointIdentifierIterator;
    typedef typename Superclass::OutputMapPointIdentifierConstIterator  OutputMapPointIdentifierConstIterator;
  
    typedef typename Superclass::ConstraintMapType            ConstraintMapType;
    typedef typename Superclass::ConstraintMapConstIterator   ConstraintMapConstIterator;
  
    typedef typename Superclass::RowType          RowType;
    typedef typename Superclass::RowConstIterator RowConstIterator;
    typedef typename Superclass::RowIterator      RowIterator;
  
    virtual void ComputeVertexIdMapping() ITK_OVERRIDE;
  
    /**
     *  \brief Fill matrix iM and vectors Bx and m_By depending on if one
     *  vertex is on the border or not.
     */
    void FillMatrix(MatrixType & iM, VectorType & iBx, VectorType & iBy, VectorType & iBz);
  
    virtual void GenerateData() ITK_OVERRIDE;
  
  private:
    ITK_DISALLOW_COPY_AND_ASSIGN(LaplacianDeformationQuadEdgeMeshFilterWithHardConstraints);
  };
  } // end namespace itk
  
  #include "itkLaplacianDeformationQuadEdgeMeshFilterWithHardConstraints.hxx"
  
  #endif
  