SphericalPixel Class Reference

A pixel in a SphericalDetector. More...

Inheritance diagram for SphericalPixel:

Collaboration diagram for SphericalPixel:

Public Member Functions
	SphericalPixel (const Bin1D &alpha_bin, const Bin1D &phi_bin)
SphericalPixel *	clone () const override
SphericalPixel *	createZeroSizePixel (double x, double y) const override
kvector_t	getK (double x, double y, double wavelength) const override
double	integrationFactor (double x, double y) const override
double	solidAngle () const override

Private Attributes
const double	m_alpha
const double	m_dalpha
const double	m_dphi
const double	m_phi
double	m_solid_angle

Detailed Description

A pixel in a SphericalDetector.

Definition at line 29 of file SphericalPixel.h.

Constructor & Destructor Documentation

SphericalPixel()

SphericalPixel::SphericalPixel	(	const Bin1D &	alpha_bin,
		const Bin1D &	phi_bin
	)

Definition at line 19 of file SphericalPixel.cpp.

    : m_alpha(alpha_bin.m_lower)
    , m_phi(phi_bin.m_lower)
    , m_dalpha(alpha_bin.binSize())
    , m_dphi(phi_bin.binSize())
{
    auto solid_angle_value = std::abs(m_dphi * (std::sin(m_alpha + m_dalpha) - std::sin(m_alpha)));
    m_solid_angle = solid_angle_value <= 0.0 ? 1.0 : solid_angle_value;
}

References m_alpha, m_dalpha, m_dphi, and m_solid_angle.

Referenced by clone(), and createZeroSizePixel().

Member Function Documentation

clone()

SphericalPixel * SphericalPixel::clone ( ) const

overridevirtual

Implements IPixel.

Definition at line 29 of file SphericalPixel.cpp.

{
    return new SphericalPixel(*this);
}

References SphericalPixel().

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createZeroSizePixel()

SphericalPixel * SphericalPixel::createZeroSizePixel ( double  x, double  y  ) const

overridevirtual

Implements IPixel.

Definition at line 34 of file SphericalPixel.cpp.

{
    double phi = m_phi + x * m_dphi;
    double alpha = m_alpha + y * m_dalpha;
    Bin1D alpha_bin(alpha, alpha);
    Bin1D phi_bin(phi, phi);
    return new SphericalPixel(alpha_bin, phi_bin);
}

References SphericalPixel(), m_alpha, m_dalpha, m_dphi, and m_phi.

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getK()

kvector_t SphericalPixel::getK ( double  x, double  y, double  wavelength  ) const

overridevirtual

Implements IPixel.

Definition at line 43 of file SphericalPixel.cpp.

{
    double phi = m_phi + x * m_dphi;
    double alpha = m_alpha + y * m_dalpha;
    return vecOfLambdaAlphaPhi(wavelength, alpha, phi);
}

References m_alpha, m_dalpha, m_dphi, m_phi, and vecOfLambdaAlphaPhi().

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integrationFactor()

double SphericalPixel::integrationFactor ( double  x, double  y  ) const

overridevirtual

Implements IPixel.

Definition at line 50 of file SphericalPixel.cpp.

{
    if (m_dalpha == 0.0)
        return 1.0;
    double alpha = m_alpha + y * m_dalpha;
    return std::cos(alpha) * m_dalpha / (std::sin(m_alpha + m_dalpha) - std::sin(m_alpha));
}

References m_alpha, and m_dalpha.

solidAngle()

double SphericalPixel::solidAngle ( ) const

overridevirtual

Implements IPixel.

Definition at line 58 of file SphericalPixel.cpp.

{
    return m_solid_angle;
}

References m_solid_angle.

Member Data Documentation

m_alpha

const double SphericalPixel::m_alpha

private

Definition at line 40 of file SphericalPixel.h.

Referenced by SphericalPixel(), createZeroSizePixel(), getK(), and integrationFactor().

m_dalpha

const double SphericalPixel::m_dalpha

private

Definition at line 42 of file SphericalPixel.h.

Referenced by SphericalPixel(), createZeroSizePixel(), getK(), and integrationFactor().

m_dphi

const double SphericalPixel::m_dphi

private

Definition at line 43 of file SphericalPixel.h.

Referenced by SphericalPixel(), createZeroSizePixel(), and getK().

m_phi

const double SphericalPixel::m_phi

private

Definition at line 41 of file SphericalPixel.h.

Referenced by createZeroSizePixel(), and getK().

m_solid_angle

double SphericalPixel::m_solid_angle

mutableprivate

Definition at line 44 of file SphericalPixel.h.

Referenced by SphericalPixel(), and solidAngle().

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The documentation for this class was generated from the following files:

• /home/www/ba/Device/Detector/SphericalPixel.h
• /home/www/ba/Device/Detector/SphericalPixel.cpp