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// ************************************************************************************************
//
// BornAgain: simulate and fit reflection and scattering
//
//! @file GUI/Model/Beam/BeamDistributionItem.h
//! @brief Defines class BeamDistributionItem.
//!
//! @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_GUI_MODEL_BEAM_BEAMDISTRIBUTIONITEM_H
#define BORNAGAIN_GUI_MODEL_BEAM_BEAMDISTRIBUTIONITEM_H
#include "GUI/Model/Beam/DistributionCatalog.h"
#include "GUI/Model/Beam/DistributionItems.h"
#include "GUI/Model/Descriptor/PolyPtr.h"
#include "Param/Distrib/ParameterDistribution.h"
//! Holds a DistributionItem, for use as a beam parameter distribution.
class BeamDistributionItem {
public:
BeamDistributionItem(double scale = 1.);
virtual ~BeamDistributionItem();
virtual void writeTo(QXmlStreamWriter* w) const;
virtual void readFrom(QXmlStreamReader* r);
virtual double centralValue() const;
void resetToValue(double value);
void setScaleFactor(double v) { m_scale = v; }
double scaleFactor() const { return m_scale; }
DistributionItem* distributionItem() const { return m_distribution.certainItem(); }
PolyPtr<DistributionItem, DistributionCatalog>& distributionSelection()
{
return m_distribution;
}
protected:
double m_scale;
PolyPtr<DistributionItem, DistributionCatalog> m_distribution;
};
#endif // BORNAGAIN_GUI_MODEL_BEAM_BEAMDISTRIBUTIONITEM_H
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