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// ************************************************************************************************
//
// BornAgain: simulate and fit reflection and scattering
//
//! @file Base/Axis/Pixel.h
//! @brief Defines and implements interface Pixel.
//!
//! @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)
//
// ************************************************************************************************
#ifdef SWIG
#error no need to expose this header to Swig
#endif // SWIG
#ifndef BORNAGAIN_BASE_AXIS_PIXEL_H
#define BORNAGAIN_BASE_AXIS_PIXEL_H
#include <heinz/Vectors3D.h>
class Bin1D;
//! A rectangular pixel in a two-dimensional detector.
class Pixel {
public:
Pixel(const Bin1D& phi_bin, const Bin1D& alpha_bin);
#ifndef SWIG
Pixel* createZeroSizePixel(double x, double y) const;
#endif // SWIG
R3 getK(double x, double y, double wavelength) const;
double integrationFactor(double x, double y) const;
double solidAngle() const { return m_solid_angle; }
private:
const double m_phi;
const double m_alpha;
const double m_dphi;
const double m_dalpha;
mutable double m_solid_angle;
};
#endif // BORNAGAIN_BASE_AXIS_PIXEL_H
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