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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 //
// //
/////////////////////////////////////////////////////////////
#include "Geometry/GridIterator.h"
#include <float.h>
namespace esys
{
namespace lsm
{
template <typename TmplPackerBase>
BoxPacker<TmplPackerBase>::BoxPacker(
ParticlePoolPtr particlePoolPtr,
NTablePtr nTablePtr,
const BoundingBox &bBox,
const BoolVector &periodicDimensions,
double tolerance
) : Inherited(particlePoolPtr, nTablePtr),
m_bBox(bBox),
m_periodicDimensions(periodicDimensions),
m_tolerance(tolerance)
{
}
template <typename TmplPackerBase>
BoxPacker<TmplPackerBase>::~BoxPacker()
{
}
template <typename TmplPackerBase>
const BoundingBox &BoxPacker<TmplPackerBase>::getBBox() const
{
return m_bBox;
}
template <typename TmplPackerBase>
double BoxPacker<TmplPackerBase>::getTolerance() const
{
return m_tolerance;
}
template <typename TmplPackerBase>
bool BoxPacker<TmplPackerBase>::is2d() const
{
return ((getBBox().getMaxPt().Z() - getBBox().getMinPt().Z()) <= 0);
}
template <typename TmplPackerBase>
const BoolVector &
BoxPacker<TmplPackerBase>::getPeriodicDimensions() const
{
return m_periodicDimensions;
}
template <typename TmplPackerBase>
bool BoxPacker<TmplPackerBase>::particleFitsInBBox(
const Particle &particle
) const
{
return
(
(
m_periodicDimensions[0]
||
(
m_bBox.contains(
particle.getPos() - Vec3(particle.getRad(), 0, 0),
getTolerance()
)
&&
m_bBox.contains(
particle.getPos() + Vec3(particle.getRad(), 0, 0),
getTolerance()
)
)
)
&&
(
m_periodicDimensions[1]
||
(
m_bBox.contains(
particle.getPos() - Vec3(0, particle.getRad(), 0),
getTolerance()
)
&&
m_bBox.contains(
particle.getPos() + Vec3(0, particle.getRad(), 0),
getTolerance()
)
)
)
&&
(
is2d() || m_periodicDimensions[2]
||
(
m_bBox.contains(
particle.getPos() - Vec3(0, 0, particle.getRad()),
getTolerance()
)
&&
m_bBox.contains(
particle.getPos() + Vec3(0, 0, particle.getRad()),
getTolerance()
)
)
)
);
}
template <typename TmplPackerBase>
bool BoxPacker<TmplPackerBase>::particleFitsWithNeighbours(
const Particle &particle
) const
{
const typename NTable::ParticleVector neighbours =
this->getNTable().getNeighbourVector(
particle.getPos(),
particle.getRad() + getTolerance()
);
typename NTable::ParticleVector::const_iterator iter = neighbours.begin();
for (; iter != neighbours.end(); iter++) {
const double interCentreDistSqrd =
(particle.getPos() - (*iter)->getPos()).norm2();
const double radiusSum =
((particle.getRad() + (*iter)->getRad()) - getTolerance());
if (interCentreDistSqrd < (radiusSum*radiusSum)) {
return false;
}
}
return true;
}
template <typename TmplPackerBase>
bool BoxPacker<TmplPackerBase>::particleFitsInBBoxWithNeighbours(
const Particle &particle
) const
{
return
(
particleFitsInBBox(particle)
&&
particleFitsWithNeighbours(particle)
);
}
};
};
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