BoxCollection.hpp

/*

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*/
#ifndef BOXCOLLECTION_HPP_
#define BOXCOLLECTION_HPP_

#include "Node.hpp"
#include "Element.hpp"
#include <map>


template<unsigned DIM>
class Box
{
private:

    c_vector<double, 2*DIM> mMinAndMaxValues;

    std::set< Node<DIM>* > mNodesContained;

    std::set< Element<DIM,DIM>* > mElementsContained;

public:

    Box(c_vector<double, 2*DIM>& rMinAndMaxValues);

    c_vector<double, 2*DIM>& rGetMinAndMaxValues();

    void AddNode(Node<DIM>* pNode);

    void RemoveNode(Node<DIM>* pNode);

    void AddElement(Element<DIM,DIM>* pElement);

    std::set< Node<DIM>* >& rGetNodesContained();

    std::set< Element<DIM,DIM>* >& rGetElementsContained();
};


template<unsigned DIM>
class BoxCollection
{
private:
    friend class TestBoxCollection;

    std::vector< Box<DIM> > mBoxes;

    c_vector<double, 2*DIM> mDomainSize;

    double mBoxWidth;

    c_vector<unsigned, DIM> mNumBoxesEachDirection;

    std::vector< std::set<unsigned> > mLocalBoxes;

    const static double mFudge = 5e-14;

public:

    BoxCollection(double boxWidth, c_vector<double, 2*DIM> domainSize);

    unsigned CalculateContainingBox(Node<DIM>* pNode);

    unsigned CalculateContainingBox(c_vector<double, DIM>& rLocation);

    Box<DIM>& rGetBox(unsigned boxIndex);

    unsigned GetNumBoxes();

    void SetupLocalBoxesHalfOnly();

    void SetupAllLocalBoxes();

    std::set<unsigned> GetLocalBoxes(unsigned boxIndex);

    void CalculateNodePairs(std::vector<Node<DIM>*>& rNodes, std::set<std::pair<Node<DIM>*, Node<DIM>*> >& rNodePairs, std::map<unsigned, std::set<unsigned> >& rNodeNeighbours);
};


#endif /*BOXCOLLECTION_HPP_*/