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/////////////////////////////////////////////////////////////
// //
// Copyright (c) 2003-2011 by The University of Queensland //
// Earth Systems Science Computational Centre (ESSCC) //
// http://www.uq.edu.au/esscc //
// //
// Primary Business: Brisbane, Queensland, Australia //
// Licensed under the Open Software License version 3.0 //
// http://www.opensource.org/licenses/osl-3.0.php //
// //
/////////////////////////////////////////////////////////////
#ifndef ESYS_LSMSPHERENEIGHBOURS_H
#define ESYS_LSMSPHERENEIGHBOURS_H
#include "Geometry/CircularNeighbourTable.h"
#include "Geometry/BasicInteraction.h"
#include <boost/shared_ptr.hpp>
#include <boost/pool/object_pool.hpp>
#include <set>
#include <vector>
#include <float.h>
namespace esys
{
namespace lsm
{
/**
*
*/
template <typename TmplSphere, typename TmplIdPairVector>
class SphereNeighbours
{
public:
typedef int Id;
typedef TmplSphere Sphere;
typedef TmplIdPairVector IdPairVector;
typedef typename IdPairVector::value_type IdPair;
class Cmp
{
public:
bool operator()(const IdPair &c1, const IdPair &c2) const
{
return
(
(c1.first < c2.first)
||
(
(c1.first == c2.first)
&&
(
(c1.second < c2.second)
)
)
);
}
bool operator()(const IdPair *c1, const IdPair *c2) const
{
return (*this)(*c1, *c2);
}
};
public:
typedef std::set<IdPair *,Cmp> IdPairSet;
typedef std::set<const IdPair *,Cmp> ConstIdPairSet;
typedef std::vector<Sphere *> SphereVector;
typedef CircularNeighbourTable<Sphere> NTable;
typedef typename NTable::ParticleIterator SphereIterator;
typedef typename NTable::ParticleConstIterator SphereConstIterator;
public:
typedef typename NTable::BoolVector BoolVector;
SphereNeighbours(
double maxDist,
const BoundingBox &bBox = BoundingBox(Vec3(-10,-10,-10), Vec3(10,10,10)),
const BoolVector &circDimensions = BoolVector(3, false)
);
~SphereNeighbours();
int getNumSpheres() const;
int getNumIdPairs() const;
double getMinRadius() const;
double getMaxRadius() const;
SphereConstIterator getSphereIterator() const;
BoundingBox getSphereBBox() const;
template<typename TmplSphereIterator>
IdPairVector getNeighbours(TmplSphereIterator it);
typedef ForwardConstIterator<IdPairSet> IdPairConstIterator;
class ConstIterator : public IdPairConstIterator
{
public:
typedef const IdPair& value_type;
typedef const IdPair& reference;
ConstIterator(const IdPairSet &set)
: IdPairConstIterator(set)
{
}
value_type next()
{
return *(IdPairConstIterator::next());
}
value_type current() const
{
return *(IdPairConstIterator::current());
}
};
typedef ConstIterator Iterator;
Iterator getIterator() const
{
return Iterator(m_connectionSet);
}
protected:
void insert(Sphere &p);
const IdPair &createIdPair(const Sphere &p1, const Sphere &p2);
private:
typedef boost::shared_ptr<NTable> NTablePtr;
typedef boost::object_pool<IdPair> IdPairPool;
typedef boost::shared_ptr<IdPairPool> IdPairPoolPtr;
IdPairPoolPtr m_connectionPoolPtr;
IdPairSet m_connectionSet;
NTablePtr m_nTablePtr;
double m_minRadius;
double m_maxRadius;
double m_maxDist;
Vec3 m_minPt;
Vec3 m_maxPt;
};
}
}
#include "Geometry/SphereNeighbours.hpp"
#endif
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