ParticleInVacuumBuilder.cpp

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//  ************************************************************************************************
//
//  BornAgain: simulate and fit reflection and scattering
//
//! @file      Sample/StandardSamples/ParticleInVacuumBuilder.cpp
//! @brief     Implements class ParticleInVacuumBuilder.
//!
//! @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)
//
//  ************************************************************************************************
 
#include "Sample/StandardSamples/ParticleInVacuumBuilder.h"
#include "Base/Const/Units.h"
#include "Sample/Aggregate/ParticleLayout.h"
#include "Sample/HardParticle/FormFactorFullSphere.h"
#include "Sample/Multilayer/Layer.h"
#include "Sample/Multilayer/MultiLayer.h"
#include "Sample/Particle/Particle.h"
#include "Sample/SampleBuilderEngine/FormFactorComponents.h"
#include "Sample/StandardSamples/ReferenceMaterials.h"
 
namespace {
FormFactorComponents ff_components;
}
 
ParticleInVacuumBuilder::ParticleInVacuumBuilder() : m_ff(new FormFactorFullSphere(5.0 * Units::nm))
{
}
 
MultiLayer* ParticleInVacuumBuilder::buildSample() const
{
    Layer vacuum_layer(refMat::Vacuum);
 
    Particle particle(refMat::Particle, *m_ff);
    ParticleLayout particle_layout(particle);
    vacuum_layer.addLayout(particle_layout);
 
    MultiLayer* result = new MultiLayer;
    result->addLayer(vacuum_layer);
    return result;
}
 
MultiLayer* ParticleInVacuumBuilder::createSampleByIndex(size_t index)
{
    auto name = ff_components.keys().at(index);
    m_ff.reset(ff_components.getItem(name)->clone());
    setName(name);
    return buildSample();
}
 
size_t ParticleInVacuumBuilder::size()
{
    return ff_components.size();
}