FineCoarseMeshPair.hpp

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*/
 
#ifndef FINECOARSEMESHPAIR_HPP_
#define FINECOARSEMESHPAIR_HPP_
 
#include "AbstractTetrahedralMesh.hpp"
#include "DistributedBoxCollection.hpp"
#include "QuadraturePointsGroup.hpp"
#include "GaussianQuadratureRule.hpp"
#include "Warnings.hpp"
#include "CommandLineArguments.hpp"
 
template<unsigned DIM>
struct ElementAndWeights
{
    unsigned ElementNum; 
    c_vector<double, DIM+1> Weights; 
};
 
template <unsigned DIM>
class FineCoarseMeshPair
{
friend class TestFineCoarseMeshPair;
 
private:
 
    AbstractTetrahedralMesh<DIM,DIM>& mrFineMesh;
 
    AbstractTetrahedralMesh<DIM,DIM>& mrCoarseMesh;
 
    DistributedBoxCollection<DIM>* mpFineMeshBoxCollection;
 
    DistributedBoxCollection<DIM>* mpCoarseMeshBoxCollection;
 
    std::vector<ElementAndWeights<DIM> > mFineMeshElementsAndWeights;
 
    std::vector<unsigned> mNotInMesh;
 
    std::vector<c_vector<double,DIM+1> > mNotInMeshNearestElementWeights;
 
    std::vector<unsigned> mStatisticsCounters;
 
    std::vector<unsigned> mCoarseElementsForFineNodes;
 
    std::vector<unsigned> mCoarseElementsForFineElementCentroids;
 
    void ComputeFineElementAndWeightForGivenPoint(ChastePoint<DIM>& rPoint,
                                                  bool safeMode,
                                                  unsigned boxForThisPoint,
                                                  unsigned index);
 
    unsigned ComputeCoarseElementForGivenPoint(ChastePoint<DIM>& rPoint,
                                               bool safeMode,
                                               unsigned boxForThisPoint);
 
    void SetUpBoxes(AbstractTetrahedralMesh<DIM,DIM>& rMesh,
                    double boxWidth,
                    DistributedBoxCollection<DIM>*& rpBoxCollection);
 
    void CollectElementsInContainingBox(DistributedBoxCollection<DIM>*& rpBoxCollection,
                                        unsigned boxIndex,
                                        std::set<unsigned>& rElementIndices);
    void CollectElementsInLocalBoxes(DistributedBoxCollection<DIM>*& rpBoxCollection,
                                     unsigned boxIndex,
                                     std::set<unsigned>& rElementIndices);
 
    void ResetStatisticsVariables();
    void ShareFineElementData();
    void ShareCoarseElementData();
 
public:
 
    FineCoarseMeshPair(AbstractTetrahedralMesh<DIM,DIM>& rFineMesh, AbstractTetrahedralMesh<DIM,DIM>& rCoarseMesh);
 
    ~FineCoarseMeshPair();
 
    void SetUpBoxesOnFineMesh(double boxWidth = -1);
 
    void SetUpBoxesOnCoarseMesh(double boxWidth = -1);
 
    void ComputeFineElementsAndWeightsForCoarseQuadPoints(GaussianQuadratureRule<DIM>& rQuadRule,
                                                          bool safeMode);
 
    void ComputeFineElementsAndWeightsForCoarseNodes(bool safeMode);
 
    void PrintStatistics();
 
    void ComputeCoarseElementsForFineNodes(bool safeMode);
 
    void ComputeCoarseElementsForFineElementCentroids(bool safeMode);
 
    std::vector<ElementAndWeights<DIM> >& rGetElementsAndWeights()
    {
        return mFineMeshElementsAndWeights;
    }
 
    std::vector<unsigned>& rGetCoarseElementsForFineNodes()
    {
        assert(mCoarseElementsForFineNodes.size() > 0);
        return mCoarseElementsForFineNodes;
    }
 
    std::vector<unsigned>& rGetCoarseElementsForFineElementCentroids()
    {
        assert(mCoarseElementsForFineElementCentroids.size() > 0);
        return mCoarseElementsForFineElementCentroids;
    }
 
    void DeleteFineBoxCollection();
 
    void DeleteCoarseBoxCollection();
 
    const AbstractTetrahedralMesh<DIM, DIM>& GetFineMesh() const;
 
    const AbstractTetrahedralMesh<DIM, DIM>& GetCoarseMesh() const;
};
 
#endif /*FINECOARSEMESHPAIR_HPP_*/