/usr/include/InsightToolkit/Common/itkSimplexMeshGeometry.h is in libinsighttoolkit3-dev 3.20.1-1.
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Program: Insight Segmentation & Registration Toolkit
Module: itkSimplexMeshGeometry.h
Language: C++
Date: $Date$
Version: $Revision$
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 SimplexMeshGeometry
* \brief handle geometric properties for vertices of a simplx mesh
*
* It stores and recomputes geometric properties of simplex mesh
* vertices, i.e. the normal vector, the barycentric coordinates of
* the point related to its three neighbor vertices, simplex angle
* circumsphere and circumcirlce radius and center.
*
*
* \author Thomas Boettger. Division Medical and Biological Informatics, German Cancer Research Center, Heidelberg.
*
*/
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();
/** Definition of some attributes for
* faster deformable model computation
*/
/* 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;
/** barycentric coordinates of corresponding point with respect
* to its three direct neighbors
*/
PointType eps;
/**
* reference metric params
*/
PointType referenceMetrics;
/* normal vector of corresponding point */
CovariantVectorType normal;
/** stores external force component for
* current deformable model iteration
*/
VectorType externalForce;
/** stores internal force component for
* current deformable model iteration
*/
VectorType internalForce;
/**
* store the location of the closest attractor to this point
*/
PointType closestAttractor;
/**
* stores the index of the closest attractor to this point
*/
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;
/**
* Computes the center and radius of the circum circle of the
* three neighbor points and of the circum sphere
*/
void ComputeGeometry();
protected:
};// end of class __itkSimplexMeshGeometry
} //end of namespace itk
#endif
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