itkSimplexMeshGeometry.h

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/*=========================================================================

  Program:   Insight Segmentation & Registration Toolkit
  Module:    $RCSfile: itkSimplexMeshGeometry.h,v $
  Language:  C++
  Date:      $Date: 2009-03-03 15:09:26 $
  Version:   $Revision: 1.7 $

  Copyright (c) Insight Software Consortium. All rights reserved.
  See ITKCopyright.txt or http://www.itk.org/HTML/Copyright.htm for details.

     This software is distributed WITHOUT ANY WARRANTY; without even 
     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR 
     PURPOSE.  See the above copyright notices for more information.

=========================================================================*/

#ifndef __itkSimplexMeshGeometry_h
#define __itkSimplexMeshGeometry_h

#if defined(_MSC_VER)
#pragma warning ( disable : 4786 )
#endif

#include "itkFixedArray.h"
#include "itkPoint.h"
#include "itkVector.h"
#include "itkCovariantVector.h"
#include <set>

namespace itk
{

class ITKCommon_EXPORT SimplexMeshGeometry
{

public:

  typedef itk::Point<double,3>                PointType;
  typedef itk::Vector<double,3>               VectorType;
  typedef itk::CovariantVector<double,3>      CovariantVectorType;
  typedef itk::FixedArray<unsigned long,3>    IndexArray;
  typedef itk::FixedArray<PointType,3>        PointArray;
  typedef std::set<unsigned long>             NeighborSetType;

  SimplexMeshGeometry();
  ~SimplexMeshGeometry();


  /* 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;

  unsigned long 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;

  unsigned long forceIndex;

  void ComputeGeometry();

protected:
  

};// end of class __itkSimplexMeshGeometry

} //end of namespace itk


#endif