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// ************************************************************************************************
//
// BornAgain: simulate and fit reflection and scattering
//
//! @file Sample/HardParticle/SphericalSegment.h
//! @brief Defines class SphericalSegment.
//!
//! @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_SPHERICALSEGMENT_H
#define BORNAGAIN_SAMPLE_HARDPARTICLE_SPHERICALSEGMENT_H
#include "Sample/Particle/IFormfactor.h"
//! A truncated Sphere.
class SphericalSegment : public IFormfactor {
public:
SphericalSegment(double radius, double top_cut, double bottom_cut);
SphericalSegment(std::vector<double> P);
#ifndef SWIG
SphericalSegment* clone() const override
{
return new SphericalSegment(m_radius, m_rm_top, m_rm_bottom);
}
#endif // SWIG
std::string className() const final { return "SphericalSegment"; }
std::vector<ParaMeta> parDefs() const final
{
return {{"Radius", "nm"}, {"Top cut", "nm"}, {"Bottom cut", "nm"}};
}
double radius() const { return m_radius; }
double cutFromTop() const { return m_rm_top; }
double cutFromBottom() const { return m_rm_bottom; }
double radialExtension() const override { return m_radius; }
complex_t formfactor(C3 q) const override;
std::string validate() const override;
bool contains(const R3& position) const override;
private:
const double& m_radius;
const double& m_rm_top; //!< height of removed top cap
const double& m_rm_bottom; //!< height of removed bottom cap
};
#endif // BORNAGAIN_SAMPLE_HARDPARTICLE_SPHERICALSEGMENT_H
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