SphericalPixel Class Reference

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	getIntegrationFactor (double x, double y) const override
double	getSolidAngle () const override

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

Detailed Description

A pixel in a SphericalDetector.

Definition at line 24 of file SphericalPixel.h.

Constructor & Destructor Documentation

SphericalPixel()

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

Definition at line 18 of file SphericalPixel.cpp.

    : m_alpha(alpha_bin.m_lower), m_phi(phi_bin.m_lower), m_dalpha(alpha_bin.getBinSize()),
      m_dphi(phi_bin.getBinSize())
{
    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 26 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 31 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 m_alpha, m_dalpha, m_dphi, m_phi, and SphericalPixel().

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getK()

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

overridevirtual

Implements IPixel.

Definition at line 40 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, vecOfLambdaAlphaPhi(), and anonymous_namespace{SlicedCylindersBuilder.cpp}::wavelength().

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getIntegrationFactor()

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

overridevirtual

Implements IPixel.

Definition at line 47 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.

getSolidAngle()

double SphericalPixel::getSolidAngle ( ) const

overridevirtual

Implements IPixel.

Definition at line 55 of file SphericalPixel.cpp.

{
    return m_solid_angle;
}

References m_solid_angle.

Member Data Documentation

m_alpha

double SphericalPixel::m_alpha

private

Definition at line 36 of file SphericalPixel.h.

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

m_phi

double SphericalPixel::m_phi

private

Definition at line 36 of file SphericalPixel.h.

Referenced by createZeroSizePixel(), and getK().

m_dalpha

double SphericalPixel::m_dalpha

private

Definition at line 37 of file SphericalPixel.h.

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

m_dphi

double SphericalPixel::m_dphi

private

Definition at line 37 of file SphericalPixel.h.

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

m_solid_angle

double SphericalPixel::m_solid_angle

private

Definition at line 38 of file SphericalPixel.h.

Referenced by getSolidAngle(), and SphericalPixel().

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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