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/*========================================================================= |
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Program: Insight Segmentation & Registration Toolkit |
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Module: $RCSfile: itkSimplexMeshGeometry.h.html,v $ |
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Language: C++ |
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Date: $Date: 2006/01/17 19:15:48 $ |
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Version: $Revision: 1.4 $ |
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Copyright (c) Insight Software Consortium. All rights reserved. |
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See ITKCopyright.txt or http://www.itk.org/HTML/Copyright.htm for details. |
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This software is distributed WITHOUT ANY WARRANTY; without even |
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the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR |
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PURPOSE. See the above copyright notices for more information. |
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=========================================================================*/ |
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#ifndef __itkSimplexMeshGeometry_h |
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#define __itkSimplexMeshGeometry_h |
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#if defined(_MSC_VER) |
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#pragma warning ( disable : 4786 ) |
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#endif |
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#include "itkFixedArray.h" |
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#include "itkPoint.h" |
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#include "itkVector.h" |
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#include "itkCovariantVector.h" |
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#include <set> |
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namespace itk |
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**{ |
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**/** |
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*** \class SimplexMeshGeometry |
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*** \brief handle geometric properties for vertices of a simplx mesh |
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*** |
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*** It stores and recomputes geometric properties of simplex mesh vertices, i.e. the normal vector, |
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*** the barycentric coordinates of the point related to its three neighbor vertices, simplex angle |
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*** circumsphere and circumcirlce radius and center. |
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*** |
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*** |
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*** \author Thomas Boettger. Division Medical and Biological Informatics, German Cancer Research Center, Heidelberg. |
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*** |
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***/ |
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**class ITKCommon_EXPORT SimplexMeshGeometry |
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****{ |
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****public: |
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******typedef itk::Point<double,3> PointType; |
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******typedef itk::Vector<double,3> VectorType; |
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******typedef itk::CovariantVector<double,3> CovariantVectorType; |
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******typedef itk::FixedArray<unsigned long,3> IndexArray; |
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******typedef itk::FixedArray<PointType,3> PointArray; |
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******typedef std::set<unsigned long> NeighborSetType; |
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EML |
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******SimplexMeshGeometry(); |
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******~SimplexMeshGeometry(); |
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******/** Definition of some attributes for |
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******* faster deformable model computation |
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*******/ |
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******/* stores the indices of the three direct neighbors */ |
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******IndexArray neighborIndices; |
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******/* stores the coordinates of the three direct neighbors */ |
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******PointArray neighbors; |
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******/* stores the mean curvature of the mesh in the point */ |
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******double meanCurvature; |
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******/* coordinates of the corresponding point */ |
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******PointType pos; |
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******/* coordinates of the corresponding point in previous iteration */ |
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******PointType oldPos; |
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******/* barycentric coordinates of corresponding point wiht respect |
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******* to its three direct neighbors |
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*******/ |
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******PointType eps; |
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******/* |
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******* reference metric params |
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*******/ |
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******PointType referenceMetrics; |
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******/* normal vector of corresponding point */ |
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******CovariantVectorType normal; |
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******/* stores external force component for |
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******* current deformable model iteration |
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*******/ |
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******VectorType externalForce; |
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******/* stores internal force component for |
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******* current deformable model iteration |
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*******/ |
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******VectorType internalForce; |
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******/* |
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******* store the location of the closest attractor to this point |
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*******/ |
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******PointType closestAttractor; |
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******/* |
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******* stores the index of the closest attractor to this point |
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*******/ |
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******unsigned long closestAttractorIndex; |
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******/* stores circum circle radius */ |
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******double circleRadius; |
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******/* stores circum circle center */ |
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******PointType circleCenter; |
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******/* stores circum sphere radius */ |
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******double sphereRadius; |
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******/* stores circum sphere center */ |
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******// PointType sphereCenter; |
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******/* stores distance to foot point */ |
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******double distance; |
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******/* stores angle */ |
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******double phi; |
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******/* stores the neighbor set */ |
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******NeighborSetType* neighborSet; |
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******/* stores multiplier for interactive deformable model filter */ |
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******double multiplier; |
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******unsigned long forceIndex; |
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******/** |
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******* Computes the center and radius of the circum circle of the |
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******* three neighbor points and of the circum sphere |
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*******/ |
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******void ComputeGeometry(); |
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****protected: |
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****};// end of class __itkSimplexMeshGeometry |
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**} //end of namespace itk |
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#endif |
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