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// ************************************************************************************************
//
// BornAgain: simulate and fit reflection and scattering
//
//! @file Sample/HardParticle/IFormfactorPolyhedron.h
//! @brief Defines interface 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_SAMPLE_HARDPARTICLE_IFORMFACTORPOLYHEDRON_H
#define BORNAGAIN_SAMPLE_HARDPARTICLE_IFORMFACTORPOLYHEDRON_H
#include "Sample/Particle/IFormfactor.h"
#include <ff/Topology.h> // needed by all child classes
#include <memory>
namespace ff {
class IBody;
}
//! A polyhedron, for form factor computation.
class IFormfactorPolyhedron : public IFormfactor {
public:
IFormfactorPolyhedron(const std::vector<double>& PValues);
~IFormfactorPolyhedron() override;
double volume() const override;
double radialExtension() const override;
complex_t formfactor(C3 q) const override;
Span spanZ(const IRotation* rotation) const override;
protected:
void setPolyhedron(const ff::Topology& topology, double z_bottom,
const std::vector<R3>& vertices) const;
mutable std::unique_ptr<ff::IBody> pimpl;
};
#endif // BORNAGAIN_SAMPLE_HARDPARTICLE_IFORMFACTORPOLYHEDRON_H
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