RectangularPixel Class Reference

Inheritance diagram for RectangularPixel:

Collaboration diagram for RectangularPixel:

Public Member Functions
	RectangularPixel (kvector_t corner_pos, kvector_t width, kvector_t height)
RectangularPixel *	clone () const override
RectangularPixel *	createZeroSizePixel (double x, double y) const override
kvector_t	getK (double x, double y, double wavelength) const override
kvector_t	getPosition (double x, double y) const
double	getIntegrationFactor (double x, double y) const override
double	getSolidAngle () const override

Private Member Functions
kvector_t	normalizeLength (const kvector_t direction, double length) const
double	calculateSolidAngle () const

Private Attributes
kvector_t	m_corner_pos
kvector_t	m_width
kvector_t	m_height
double	m_solid_angle
kvector_t	m_normal

Detailed Description

A pixel in a RectangularDetector.

Definition at line 22 of file RectangularPixel.h.

Constructor & Destructor Documentation

RectangularPixel()

RectangularPixel::RectangularPixel	(	kvector_t	corner_pos,
		kvector_t	width,
		kvector_t	height
	)

Definition at line 23 of file RectangularPixel.cpp.

    : m_corner_pos(std::move(corner_pos)), m_width(std::move(width)), m_height(std::move(height))
{
    m_normal = m_width.cross(m_height);
    auto solid_angle_value = calculateSolidAngle();
    m_solid_angle = solid_angle_value <= 0.0 ? 1.0 : solid_angle_value;
}

References calculateSolidAngle(), BasicVector3D< T >::cross(), m_height, m_normal, m_solid_angle, and m_width.

Referenced by clone(), and createZeroSizePixel().

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Member Function Documentation

clone()

RectangularPixel * RectangularPixel::clone ( ) const

overridevirtual

Implements IPixel.

Definition at line 31 of file RectangularPixel.cpp.

{
    return new RectangularPixel(m_corner_pos, m_width, m_height);
}

References m_corner_pos, m_height, m_width, and RectangularPixel().

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createZeroSizePixel()

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

overridevirtual

Implements IPixel.

Definition at line 36 of file RectangularPixel.cpp.

{
    return new RectangularPixel(getPosition(x, y), kvector_t(), kvector_t());
}

References getPosition(), and RectangularPixel().

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getK()

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

overridevirtual

Implements IPixel.

Definition at line 41 of file RectangularPixel.cpp.

{
    kvector_t direction = getPosition(x, y);
    double length = M_TWOPI / wavelength;
    return normalizeLength(direction, length);
}

References getPosition(), anonymous_namespace{BoxCompositionBuilder.cpp}::length, M_TWOPI, normalizeLength(), and anonymous_namespace{SlicedCylindersBuilder.cpp}::wavelength().

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getPosition()

kvector_t RectangularPixel::getPosition	(	double	x,
		double	y
	)		const

Definition at line 48 of file RectangularPixel.cpp.

{
    return m_corner_pos + x * m_width + y * m_height;
}

References m_corner_pos, m_height, and m_width.

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

getIntegrationFactor()

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

overridevirtual

Implements IPixel.

Definition at line 53 of file RectangularPixel.cpp.

{
    if (m_solid_angle == 0.0)
        return 1.0;
    kvector_t position = getPosition(x, y);
    double length = position.mag();
    return std::abs(position.dot(m_normal)) / std::pow(length, 3) / m_solid_angle;
}

References BasicVector3D< T >::dot(), getPosition(), anonymous_namespace{BoxCompositionBuilder.cpp}::length, m_normal, m_solid_angle, and BasicVector3D< T >::mag().

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getSolidAngle()

double RectangularPixel::getSolidAngle ( ) const

overridevirtual

Implements IPixel.

Definition at line 62 of file RectangularPixel.cpp.

{
    return m_solid_angle;
}

References m_solid_angle.

normalizeLength()

kvector_t RectangularPixel::normalizeLength ( const kvector_t  direction, double  length  ) const

private

Definition at line 67 of file RectangularPixel.cpp.

{
    return direction.unit() * length;
}

References anonymous_namespace{BoxCompositionBuilder.cpp}::length, and BasicVector3D< T >::unit().

Referenced by getK().

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calculateSolidAngle()

double RectangularPixel::calculateSolidAngle ( ) const

private

Definition at line 72 of file RectangularPixel.cpp.

{
    kvector_t position = getPosition(0.5, 0.5);
    double length = position.mag();
    return std::abs(position.dot(m_normal)) / std::pow(length, 3);
}

References BasicVector3D< T >::dot(), getPosition(), anonymous_namespace{BoxCompositionBuilder.cpp}::length, m_normal, and BasicVector3D< T >::mag().

Referenced by RectangularPixel().

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Member Data Documentation

m_corner_pos

kvector_t RectangularPixel::m_corner_pos

private

Definition at line 37 of file RectangularPixel.h.

Referenced by clone(), and getPosition().

m_width

kvector_t RectangularPixel::m_width

private

Definition at line 38 of file RectangularPixel.h.

Referenced by clone(), getPosition(), and RectangularPixel().

m_height

kvector_t RectangularPixel::m_height

private

Definition at line 39 of file RectangularPixel.h.

Referenced by clone(), getPosition(), and RectangularPixel().

m_solid_angle

double RectangularPixel::m_solid_angle

private

Definition at line 40 of file RectangularPixel.h.

Referenced by getIntegrationFactor(), getSolidAngle(), and RectangularPixel().

m_normal

kvector_t RectangularPixel::m_normal

private

Definition at line 41 of file RectangularPixel.h.

Referenced by calculateSolidAngle(), getIntegrationFactor(), and RectangularPixel().

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

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