/usr/include/ITK-4.5/itkSimplexMeshGeometry.h is in libinsighttoolkit4-dev 4.5.0-3.
This file is owned by root:root, with mode 0o644.
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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 __itkSimplexMeshGeometry_h
#define __itkSimplexMeshGeometry_h
#include "itkIntTypes.h"
#include "itkPoint.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.
*
* \ingroup ITKMesh
*/
class SimplexMeshGeometry
{
public:
typedef itk::Point< double, 3 > PointType;
typedef itk::Vector< double, 3 > VectorType;
typedef itk::CovariantVector< double, 3 > CovariantVectorType;
typedef itk::FixedArray< IdentifierType, 3 > IndexArray;
typedef itk::FixedArray< PointType, 3 > PointArray;
typedef std::set< IdentifierType > NeighborSetType;
SimplexMeshGeometry();
~SimplexMeshGeometry();
void CopyFrom( const SimplexMeshGeometry & input );
void CopyNeigborSet( const NeighborSetType * nset );
/** 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
*/
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;
/**
* 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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