itkSimplexMeshGeometry.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
 *
 *         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 itkSimplexMeshGeometry_h
#define itkSimplexMeshGeometry_h
 
 
#include "itkIntTypes.h"
#include "itkPoint.h"
#include "itkCovariantVector.h"
#include <set>
#include "ITKMeshExport.h"
 
namespace itk
{
class ITKMesh_EXPORT SimplexMeshGeometry
{
public:
  using PointType = itk::Point<double, 3>;
  using VectorType = itk::Vector<double, 3>;
  using CovariantVectorType = itk::CovariantVector<double, 3>;
  using IndexArray = itk::FixedArray<IdentifierType, 3>;
  using PointArray = itk::FixedArray<PointType, 3>;
  using NeighborSetType = std::set<IdentifierType>;
 
  SimplexMeshGeometry();
 
  ~SimplexMeshGeometry();
 
  void
  CopyFrom(const SimplexMeshGeometry & input);
 
  void
  CopyNeigborSet(const NeighborSetType * nset);
 
  /* stores the indices of the three direct neighbors */
  IndexArray neighborIndices;
 
  /* stores the coordinates of the three direct neighbors */
  PointArray neighbors;
 
  /* stores the mean curvature of the mesh in the point */
  double meanCurvature;
 
  /* coordinates of the corresponding point */
  PointType pos;
 
  /* coordinates of the corresponding point in previous iteration */
  PointType oldPos;
 
  PointType eps;
 
  PointType referenceMetrics;
 
  /* normal vector of corresponding point */
  CovariantVectorType normal;
 
  VectorType externalForce;
 
  VectorType internalForce;
 
  PointType closestAttractor;
 
  IdentifierType closestAttractorIndex;
 
  /* stores circum circle radius */
  double circleRadius;
 
  /* stores circum circle center */
  PointType circleCenter;
 
  /* stores circum sphere radius */
  double sphereRadius;
 
  /* stores circum sphere center */
  //  PointType sphereCenter;
 
  /* stores distance to foot point */
  double distance;
 
  /* stores angle */
  double phi;
 
  /* stores the neighbor set */
  NeighborSetType * neighborSet;
 
  /* stores multiplier for interactive deformable model filter */
  double multiplier;
 
  IdentifierType forceIndex;
 
  void
  ComputeGeometry();
 
protected:
}; // end of class SimplexMeshGeometry
} // end of namespace itk
 
#endif