InterferenceFunction3DLattice.h

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// ************************************************************************** //
//
//  BornAgain: simulate and fit scattering at grazing incidence
//
//! @file      Sample/Aggregate/InterferenceFunction3DLattice.h
//! @brief     Defines class InterferenceFunction3DLattice.
//!
//! @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_CORE_AGGREGATE_INTERFERENCEFUNCTION3DLATTICE_H
#define BORNAGAIN_CORE_AGGREGATE_INTERFERENCEFUNCTION3DLATTICE_H
 
#include "Sample/Aggregate/IInterferenceFunction.h"
#include "Sample/Lattice/Lattice.h"
 
class IPeakShape;
 
//! Interference function of a 3D lattice.
//! @ingroup interference
 
class InterferenceFunction3DLattice : public IInterferenceFunction
{
public:
    InterferenceFunction3DLattice(const Lattice& lattice);
    ~InterferenceFunction3DLattice() final;
 
    InterferenceFunction3DLattice* clone() const override final;
 
    void accept(INodeVisitor* visitor) const override final { visitor->visit(this); }
 
    void setPeakShape(const IPeakShape& peak_shape);
 
    const Lattice& lattice() const;
 
    bool supportsMultilayer() const override final { return false; }
 
    std::vector<const INode*> getChildren() const override final;
 
    void onChange() override final;
 
private:
    double iff_without_dw(const kvector_t q) const override final;
    void initRecRadius();
 
    Lattice m_lattice; // TODO ASAP unique_ptr as in otehr InterferenceFunction%s
    std::unique_ptr<IPeakShape> mP_peak_shape;
    double m_rec_radius; //!< radius in reciprocal space defining the nearest q vectors to use
};
 
#endif // BORNAGAIN_CORE_AGGREGATE_INTERFERENCEFUNCTION3DLATTICE_H