ClusterMeshInterrogator.h

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/*
@file ClusterMeshInterrogator.h
@author Wen Su
Particles are clusters on the mesh
*/

#ifndef CLUSTERMESHINTERROGATOR_H
#define CLUSTERMESHINTERROGATOR_H

#include "Particles.h"
#include "SurfaceInterrogator.h"
#include "ParticleBehavior.h"
#include "OpenMesh/ClusterMesh.h"
#include <vector>

class ClusterMeshInterrogator : public ParticleBehavior
{
public:
        MAKE_PARTICLESTUFF_NAME();

        /// different phase of the algorithm
        enum ClusterPhase {INITIALIZE, ASSIGNNEWCENTERS, EXPANDCLUSTERS, FINDCLUSTERCENTERS};
        ClusterPhase phase;

        /// the position is stored in particle position this stores the face handles.
        std::vector <ClusterOpenMesh::FaceHandle> clusterCenters;

        /// this vector will be used as a heap to do the Dijkstra walk
        std::vector <ClusterOpenMesh::FaceHandle> costHeap;

        /// stores the last face that is added to this cluster
        std::vector <ClusterOpenMesh::FaceHandle> lastFaceInCluster;

        /// last face that is added to the last iteration
        ClusterOpenMesh::FaceHandle lastFace;

        /// parameters
        unsigned int iteration;
        unsigned int minClusters;
        unsigned int maxClusters;
        int restartAlgorithm;

        /// pointer to the surface mesh
        SurfaceInterrogator* surInt;

        /// default constructor
        ClusterMeshInterrogator(Particles *ps=NULL);

        /// cleanup does the clustering step
        virtual void cleanup();

        virtual void attachAttributes();

        /// parameters
        int qlen();
        void getq(double *q);
        void setq(double *q);
        void qname(char **qn);

};

#endif

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