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// ************************************************************************************************
//
// BornAgain: simulate and fit reflection and scattering
//
//! @file Sample/HardParticle/IProfileRipple.h
//! @brief Defines class interfacees IProfileRipple, ICosineRipple, ISawtoothRipple.
//!
//! @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_IPROFILERIPPLE_H
#define BORNAGAIN_SAMPLE_HARDPARTICLE_IPROFILERIPPLE_H
#include "Sample/Particle/IFormfactor.h"
//! Base class for form factors with a cosine ripple profile in the yz plane.
class IProfileRipple : public IFormfactor {
public:
IProfileRipple(const std::vector<double>& PValues);
double length() const { return m_length; }
double height() const { return m_height; }
double width() const { return m_width; }
double radialExtension() const override;
complex_t formfactor(C3 q) const override;
std::string validate() const override;
protected:
const double& m_length;
const double& m_width;
const double& m_height;
virtual complex_t factor_x(complex_t qx) const = 0;
virtual complex_t factor_yz(complex_t qy, complex_t qz) const = 0;
};
//! Base class for form factors with a rectangular ripple (bar) profile in the yz plane.
class IProfileRectangularRipple : public IProfileRipple {
public:
IProfileRectangularRipple(const std::vector<double>& PValues);
private:
complex_t factor_yz(complex_t qy, complex_t qz) const override;
};
//! Base class for form factors with a cosine ripple profile in the yz plane.
class ICosineRipple : public IProfileRipple {
public:
ICosineRipple(const std::vector<double>& PValues);
private:
complex_t factor_yz(complex_t qy, complex_t qz) const override;
};
//! Base class for form factors with a triangular ripple profile in the yz plane.
class ISawtoothRipple : public IProfileRipple {
public:
ISawtoothRipple(const std::vector<double>& PValues);
double asymmetry() const { return m_asymmetry; }
protected:
const double& m_asymmetry;
private:
complex_t factor_yz(complex_t qy, complex_t qz) const override;
};
#endif // BORNAGAIN_SAMPLE_HARDPARTICLE_IPROFILERIPPLE_H
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