FormFactorCoreShell.h

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//  ************************************************************************************************
//
//  BornAgain: simulate and fit reflection and scattering
//
//! @file      Sample/Particle/FormFactorCoreShell.h
//! @brief     Defines class FormFactorCoreShell.
//!
//! @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)
//
//  ************************************************************************************************
 
#ifdef SWIG
#error no need to expose this header to Swig
#endif
 
#ifndef USER_API
#ifndef BORNAGAIN_SAMPLE_PARTICLE_FORMFACTORCORESHELL_H
#define BORNAGAIN_SAMPLE_PARTICLE_FORMFACTORCORESHELL_H
 
#include "Sample/Scattering/IFormFactor.h"
 
#include <memory>
 
//! Form Factor for a core shell particle.
//!
//! Used by ParticleCoreShell.
 
//! @ingroup formfactors_internal
 
class FormFactorCoreShell : public IFormFactor {
public:
    FormFactorCoreShell(IFormFactor* core, IFormFactor* shell);
    ~FormFactorCoreShell() override;
 
    FormFactorCoreShell* clone() const override;
 
    void accept(INodeVisitor* visitor) const override { visitor->visit(this); }
 
    double radialExtension() const override;
 
    double bottomZ(const IRotation& rotation) const override;
 
    double topZ(const IRotation& rotation) const override;
 
    void setAmbientMaterial(const Material& material) override;
 
    complex_t evaluate(const WavevectorInfo& wavevectors) const override;
 
#ifndef SWIG
    //! Calculates and returns a polarized form factor calculation in DWBA
    Eigen::Matrix2cd evaluatePol(const WavevectorInfo& wavevectors) const override;
#endif
 
protected:
    std::unique_ptr<IFormFactor> m_core;
    std::unique_ptr<IFormFactor> m_shell;
};
 
#endif // BORNAGAIN_SAMPLE_PARTICLE_FORMFACTORCORESHELL_H
#endif // USER_API