ClusterMeshTraits.h

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/*
@file ClusterMeshTraits.h
@author wensu
@date 2003-11-14
This is for maintain clusters on a mesh.
*/

#ifndef CLUSTERMESHTRAITS_H
#define CLUSTERMESHTRAITS_H

// openmesh includes
#include <OpenMesh/IO/BinaryHelper.hh>
#include <OpenMesh/IO/MeshIO.hh>
#include <OpenMesh/Mesh/Types/TriMesh_ArrayKernelT.hh>
#ifdef _MSC_VER
#  ifndef OM_STATIC_BUILD
#  define OM_STATIC_BUILD
#  endif
#  define INCLUDE_TEMPLATES
#  include <OpenMesh/IO/IOInstances.hh>
#endif

struct ClusterMeshTraits : public OpenMesh::DefaultTraits
{

        FaceAttributes(OpenMesh::DefaultAttributer::Normal|OpenMesh::DefaultAttributer::Status);
        HalfedgeAttributes(OpenMesh::DefaultAttributer::Status);
        EdgeAttributes(OpenMesh::DefaultAttributer::Status);
        VertexAttributes(OpenMesh::DefaultAttributer::Normal|OpenMesh::DefaultAttributer::Status);

        FaceTraits
        {
                Point center;
                float cost; // cost from cluster center to this face
                int cluster;
        };

        EdgeTraits
        {
                float dualEdgeLength;
                float angle;
                float cost; // cost of walking between two neighboring faces
        };
};

typedef OpenMesh::TriMesh_ArrayKernelT<ClusterMeshTraits> ClusterOpenMesh;

template< typename MeshT >
class FaceCostLessThan
{
public:
    FaceCostLessThan(MeshT& m) : mesh(m) {}
        bool operator()(typename MeshT::FaceHandle &f1, typename MeshT::FaceHandle &f2)
        {
                return mesh.face(f1).cost > mesh.face(f2).cost;
        }

private:
    MeshT& mesh;
};

#endif

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