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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_LSMPACKERGENERATORS_H
#define ESYS_LSMPACKERGENERATORS_H
#include "Foundation/vec3.h"
namespace esys
{
namespace lsm
{
/**
* Generates particles of a specified constant radius.
*/
template <typename TmplParticle>
class ConstRadiusGen
{
public:
typedef TmplParticle Particle;
ConstRadiusGen(double radius);
/**
* Returns the radius of particles generated by the
* getParticle method.
*/
const double &getParticleRadius() const;
/**
* Returns the radius of particles generated by the
* getParticle method.
*/
const double &getMinFitRadius() const;
/**
* Returns the radius of particles generated by the
* getParticle method.
*/
const double &getMaxFitRadius() const;
/**
* Returns a particle of radius this->getParticleRadius().
*
* @param posn The position of the returned particle.
*/
Particle getParticle(const Vec3 &posn) const;
/**
* Returns a particle of radius this->getParticleRadius().
*
* @param posn The position of the returned particle.
* @param maxRadius The suggested particle radius, ignored.
*/
Particle getParticle(const Vec3 &posn, const double &maxRadius) const;
/**
* Returns whether fitRadius == this->getRadius()
*/
bool isValidFitRadius(const double &fitRadius) const;
private:
double m_radius;
};
/**
* Base class for generators which generate particles
* whose radius ranges between a specified minimum and maximum.
*/
template <typename TmplParticle>
class RangeRadiusGen
{
public:
typedef TmplParticle Particle;
RangeRadiusGen(double minFitRadius, double maxFitRadius);
virtual ~RangeRadiusGen();
/**
* Returns the radius of particles generated by the
* getParticle method.
*/
const double &getMinFitRadius() const;
/**
* Returns the radius of particles generated by the
* getParticle method.
*/
const double &getMaxFitRadius() const;
/**
* Returns whether fitRadius == this->getRadius()
*/
bool isValidFitRadius(const double &fitRadius) const;
private:
double m_minFitRadius;
double m_maxFitRadius;
};
/**
* Class for generators which generate particles
* whose radius is from a uniform random distribution.
*/
template <typename TmplParticle>
class RndRadiusGen : public RangeRadiusGen<TmplParticle>
{
public:
typedef RangeRadiusGen<TmplParticle> Inherited;
typedef typename Inherited::Particle Particle;
RndRadiusGen(
double minFitRadius,
double maxFitRadius
);
/**
* Returns a randomly generated radius value.
*/
double getRandomRadius() const;
Particle getParticle(const Vec3 &posn) const;
Particle getParticle(const Vec3 &posn, double suggestedRadius) const;
private:
};
template <typename TmplGrain>
class GrainRndRadiusGen : public RndRadiusGen<typename TmplGrain::Particle>
{
public:
typedef RndRadiusGen<typename TmplGrain::Particle> Inherited;
typedef TmplGrain Grain;
typedef typename Grain::Particle Particle;
GrainRndRadiusGen(double minGrainRadius, double maxGrainRadius);
virtual ~GrainRndRadiusGen();
const double &getMinGrainRadius() const;
const double &getMaxGrainRadius() const;
virtual Grain getGrain(const Particle &p) = 0;
};
template <typename TmplGrain>
class SingleParticleGrainGen : public GrainRndRadiusGen<TmplGrain>
{
public:
typedef GrainRndRadiusGen<TmplGrain> Inherited;
typedef typename Inherited::Grain Grain;
typedef typename Grain::Particle Particle;
SingleParticleGrainGen(double minGrainRadius, double maxGrainRadius);
const double &getMinParticleRadius() const;
const double &getMaxParticleRadius() const;
virtual Grain getGrain(const Particle &p);
};
}
}
#include "Geometry/PackerGenerators.hpp"
#endif
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