IFormFactorPrism.h

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// ************************************************************************** //
//
//  BornAgain: simulate and fit scattering at grazing incidence
//
//! @file      Sample/HardParticle/IFormFactorPrism.h
//! @brief     Defines class IFormFactorPrism.
//!
//! @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_IFORMFACTORPRISM_H
#define BORNAGAIN_CORE_HARDPARTICLE_IFORMFACTORPRISM_H
 
#include "Sample/Scattering/IFormFactorBorn.h"
#include <memory>
 
class Prism;
 
//! A prism with a polygonal base, for form factor computation.
 
class IFormFactorPrism : public IFormFactorBorn
{
public:
    IFormFactorPrism(const NodeMeta& meta, const std::vector<double>& PValues);
    ~IFormFactorPrism();
 
    double bottomZ(const IRotation& rotation) const override final;
    double topZ(const IRotation& rotation) const override final;
 
    complex_t evaluate_for_q(cvector_t q) const override;
    double volume() const override;
    double radialExtension() const override;
    double getHeight() const;
 
protected:
    void setPrism(bool symmetry_Ci, const std::vector<kvector_t>& vertices);
    virtual double height() const = 0; // TODO mv parameter m_height back from children to this
 
private:
    std::unique_ptr<Prism> pimpl;
};
 
#endif // BORNAGAIN_CORE_HARDPARTICLE_IFORMFACTORPRISM_H