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// ************************************************************************************************
//
// BornAgain: simulate and fit reflection and scattering
//
//! @file Sample/Aggregate/ParticleLayout.h
//! @brief Defines class ParticleLayout.
//!
//! @homepage http://www.bornagainproject.org
//! @license GNU General Public License v3 or higher (see COPYING)
//! @copyright Forschungszentrum Jülich GmbH 2018
//! @authors Scientific Computing Group at MLZ (see CITATION, AUTHORS)
//
// ************************************************************************************************
#ifndef BORNAGAIN_SAMPLE_AGGREGATE_PARTICLELAYOUT_H
#define BORNAGAIN_SAMPLE_AGGREGATE_PARTICLELAYOUT_H
#include "Base/Type/CloneableVector.h"
#include "Sample/Scattering/ISampleNode.h"
#include <memory>
class IInterference;
class IParticle;
//! Decorator class that adds particles to ISampleNode objects.
class ParticleLayout : public ISampleNode {
public:
ParticleLayout();
ParticleLayout(const IParticle& particle);
~ParticleLayout() override;
std::string className() const final { return "ParticleLayout"; }
void addParticle(const IParticle& particle, double abundance = -1.0);
void setInterference(const IInterference& interparticle);
void setTotalParticleSurfaceDensity(double particle_density);
void setAbsoluteWeight(double weight) { m_abs_weight = weight; }
#ifndef SWIG
ParticleLayout* clone() const override;
std::string validate() const override;
std::vector<const INode*> nodeChildren() const override;
std::vector<ParaMeta> parDefs() const final { return {{"Abundance", ""}}; }
double totalAbundance() const;
double totalParticleSurfaceDensity() const;
double absoluteWeight() const { return m_abs_weight; }
std::vector<const IParticle*> particles() const;
const IInterference* interferenceFunction() const;
private:
double m_abs_weight = 1; //!< Weight factor, independent of particle density
double m_total_particle_density{.01};
CloneableVector<IParticle> m_particles; //!< Vector of particle types
std::unique_ptr<IInterference> m_interparticle;
#endif // SWIG
};
#endif // BORNAGAIN_SAMPLE_AGGREGATE_PARTICLELAYOUT_H
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