IFormFactorPolyhedron.h

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// ************************************************************************** //
//
//  BornAgain: simulate and fit scattering at grazing incidence
//
//! @file      Sample/HardParticle/IFormFactorPolyhedron.h
//! @brief     Defines class IFormFactorPolyhedron.
//!
//! @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_IFORMFACTORPOLYHEDRON_H
#define BORNAGAIN_CORE_HARDPARTICLE_IFORMFACTORPOLYHEDRON_H
 
#include "Sample/HardParticle/PolyhedralTopology.h"
#include "Sample/Scattering/IFormFactorBorn.h"
#include <memory>
 
class Polyhedron;
 
//! A polyhedron, for form factor computation.
 
class IFormFactorPolyhedron : public IFormFactorBorn
{
public:
#ifdef POLYHEDRAL_DIAGNOSTIC
    static void setLimits(double _q, int _n);
#endif
 
    IFormFactorPolyhedron() = delete;
    IFormFactorPolyhedron(const NodeMeta& meta, const std::vector<double>& PValues);
    ~IFormFactorPolyhedron();
 
    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 final;
    complex_t evaluate_centered(cvector_t q) const;
 
    double volume() const override final;
    double radialExtension() const override final;
    void assert_platonic() const;
 
protected:
    void setPolyhedron(const PolyhedralTopology& topology, double z_bottom,
                       const std::vector<kvector_t>& vertices);
 
private:
    std::unique_ptr<Polyhedron> pimpl;
};
 
#endif // BORNAGAIN_CORE_HARDPARTICLE_IFORMFACTORPOLYHEDRON_H