FormFactorCylinder.h

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// ************************************************************************** //
//
//  BornAgain: simulate and fit scattering at grazing incidence
//
//! @file      Sample/HardParticle/FormFactorCylinder.h
//! @brief     Defines class FormFactorCylinder.
//!
//! @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_HARDPARTICLE_FORMFACTORCYLINDER_H
#define BORNAGAIN_CORE_HARDPARTICLE_FORMFACTORCYLINDER_H
 
#include "Sample/Scattering/IFormFactorBorn.h"
 
//! A circular cylinder.
//! @ingroup hardParticle
 
class FormFactorCylinder : public IFormFactorBorn
{
public:
    FormFactorCylinder(const std::vector<double> P);
    FormFactorCylinder(double radius, double height);
 
    FormFactorCylinder* clone() const override final
    {
        return new FormFactorCylinder(m_radius, m_height);
    }
    void accept(INodeVisitor* visitor) const override final { visitor->visit(this); }
 
    double getHeight() const { return m_height; }
    double getRadius() const { return m_radius; }
 
    double radialExtension() const override final { return m_radius; }
 
    complex_t evaluate_for_q(cvector_t q) const override final;
 
protected:
    IFormFactor* sliceFormFactor(ZLimits limits, const IRotation& rot,
                                 kvector_t translation) const override final;
 
    void onChange() override final;
 
private:
    const double& m_radius;
    const double& m_height;
};
 
#endif // BORNAGAIN_CORE_HARDPARTICLE_FORMFACTORCYLINDER_H