Line functions related to line shapes and line strength. More...

Classes
class	InternalData

Functions
constexpr Index	ExpectedDataSize ()
	Size required for data buffer. More...

void	set_lineshape (Eigen::Ref< Eigen::VectorXcd > F, const Eigen::Ref< const Eigen::VectorXd > f_grid, const Absorption::SingleLine &line, const Numeric &temperature, const Numeric &zeeman_df, const Numeric &magnetic_magnitude, const Numeric &doppler_constant, const LineShape::Output &lso, const LineShape::Type lineshape_type, const Absorption::MirroringType mirroring_type, const Absorption::NormalizationType norm_type)
	Sets the lineshape normalized to unity. More...

void	set_lorentz (Eigen::Ref< Eigen::VectorXcd > F, Eigen::Ref< Eigen::MatrixXcd > dF, Eigen::Ref< Eigen::Matrix< Complex, Eigen::Dynamic, ExpectedDataSize()>> data, const Eigen::Ref< const Eigen::VectorXd > f_grid, const Numeric &zeeman_df, const Numeric &magnetic_magnitude, const Numeric &F0_noshift, const LineShape::Output &lso, const AbsorptionLines &band=AbsorptionLines(), const Index &line_ind=0, const ArrayOfRetrievalQuantity &derivatives_data=ArrayOfRetrievalQuantity(), const ArrayOfIndex &derivatives_data_position=ArrayOfIndex(), const LineShape::Output &dT={0, 0, 0, 0, 0, 0, 0, 0, 0}, const LineShape::Output &dVMR={0, 0, 0, 0, 0, 0, 0, 0, 0})
	Sets the Lorentz line shape. More...

void	set_htp (Eigen::Ref< Eigen::VectorXcd > F, Eigen::Ref< Eigen::MatrixXcd > dF, const Eigen::Ref< const Eigen::VectorXd > f_grid, const Numeric &zeeman_df, const Numeric &magnetic_magnitude, const Numeric &F0_noshift, const Numeric &GD_div_F0, const LineShape::Output &lso, const AbsorptionLines &band=AbsorptionLines(), const Index &line_ind=0, const ArrayOfRetrievalQuantity &derivatives_data=ArrayOfRetrievalQuantity(), const ArrayOfIndex &derivatives_data_position=ArrayOfIndex(), const Numeric &dGD_div_F0_dT=0.0, const LineShape::Output &dT={0, 0, 0, 0, 0, 0, 0, 0, 0}, const LineShape::Output &dVMR={0, 0, 0, 0, 0, 0, 0, 0, 0})
	Sets the HTP line shape. More...

void	set_voigt (Eigen::Ref< Eigen::VectorXcd > F, Eigen::Ref< Eigen::MatrixXcd > dF, Eigen::Ref< Eigen::Matrix< Complex, Eigen::Dynamic, ExpectedDataSize()>> data, const Eigen::Ref< const Eigen::VectorXd > f_grid, const Numeric &zeeman_df, const Numeric &magnetic_magnitude, const Numeric &F0_noshift, const Numeric &GD_div_F0, const LineShape::Output &lso, const AbsorptionLines &band=AbsorptionLines(), const Index &line_ind=0, const ArrayOfRetrievalQuantity &derivatives_data=ArrayOfRetrievalQuantity(), const ArrayOfIndex &derivatives_data_position=ArrayOfIndex(), const Numeric &dGD_div_F0_dT=0.0, const LineShape::Output &dT={0, 0, 0, 0, 0, 0, 0, 0, 0}, const LineShape::Output &dVMR={0, 0, 0, 0, 0, 0, 0, 0, 0})
	Sets the Voigt line shape. More...

void	set_doppler (Eigen::Ref< Eigen::VectorXcd > F, Eigen::Ref< Eigen::MatrixXcd > dF, Eigen::Ref< Eigen::Matrix< Complex, Eigen::Dynamic, ExpectedDataSize()>> data, const Eigen::Ref< const Eigen::VectorXd > f_grid, const Numeric &zeeman_df, const Numeric &magnetic_magnitude, const Numeric &F0_noshift, const Numeric &GD_div_F0, const AbsorptionLines &band=AbsorptionLines(), const Index &line_ind=0, const ArrayOfRetrievalQuantity &derivatives_data=ArrayOfRetrievalQuantity(), const ArrayOfIndex &derivatives_data_position=ArrayOfIndex(), const Numeric &dGD_div_F0_dT=0.0)
	Sets the Doppler line shape. More...

void	apply_linemixing_scaling_and_mirroring (Eigen::Ref< Eigen::VectorXcd > F, Eigen::Ref< Eigen::MatrixXcd > dF, const Eigen::Ref< Eigen::VectorXcd > Fm, const Eigen::Ref< Eigen::MatrixXcd > dFm, const LineShape::Output &lso, const bool with_mirroring, const AbsorptionLines &band=AbsorptionLines(), const Index &line_ind=0, const ArrayOfRetrievalQuantity &derivatives_data=ArrayOfRetrievalQuantity(), const ArrayOfIndex &derivatives_data_position=ArrayOfIndex(), const LineShape::Output &dT={0, 0, 0, 0, 0, 0, 0, 0, 0}, const LineShape::Output &dVMR={0, 0, 0, 0, 0, 0, 0, 0, 0})
	Applies line mixing scaling to already set lineshape and line mirror. More...

void	apply_rosenkranz_quadratic_scaling (Eigen::Ref< Eigen::VectorXcd > F, Eigen::Ref< Eigen::MatrixXcd > dF, const Eigen::Ref< const Eigen::VectorXd > f_grid, const Numeric &F0, const Numeric &T, const AbsorptionLines &band=AbsorptionLines(), const Index &line_ind=0, const ArrayOfRetrievalQuantity &derivatives_data=ArrayOfRetrievalQuantity(), const ArrayOfIndex &derivatives_data_position=ArrayOfIndex())
	Applies Rosenkranz quadratic normalization to already set line shape. More...

void	apply_VVH_scaling (Eigen::Ref< Eigen::VectorXcd > F, Eigen::Ref< Eigen::MatrixXcd > dF, Eigen::Ref< Eigen::Matrix< Complex, Eigen::Dynamic, ExpectedDataSize()>> data, const Eigen::Ref< const Eigen::VectorXd > f_grid, const Numeric &F0, const Numeric &T, const AbsorptionLines &band=AbsorptionLines(), const Index &line_ind=0, const ArrayOfRetrievalQuantity &derivatives_data=ArrayOfRetrievalQuantity(), const ArrayOfIndex &derivatives_data_position=ArrayOfIndex())
	Applies Van Vleck and Huber normalization to already set line shape. More...

void	apply_VVW_scaling (Eigen::Ref< Eigen::VectorXcd > F, Eigen::Ref< Eigen::MatrixXcd > dF, const Eigen::Ref< const Eigen::VectorXd > f_grid, const Numeric &F0, const AbsorptionLines &band=AbsorptionLines(), const Index &line_ind=0, const ArrayOfRetrievalQuantity &derivatives_data=ArrayOfRetrievalQuantity(), const ArrayOfIndex &derivatives_data_position=ArrayOfIndex())
	Applies Van Vleck and Weiskopf normalization to already set line shape. More...

Numeric	lte_linestrength (Numeric S0, Numeric E0, Numeric F0, Numeric QT0, Numeric T0, Numeric QT, Numeric T)
	Gets the local thermodynamic equilibrium line strength. More...

void	apply_linestrength_scaling_by_lte (Eigen::Ref< Eigen::VectorXcd > F, Eigen::Ref< Eigen::MatrixXcd > dF, Eigen::Ref< Eigen::VectorXcd > N, Eigen::Ref< Eigen::MatrixXcd > dN, const Absorption::SingleLine &line, const Numeric &T, const Numeric &T0, const Numeric &isotopic_ratio, const Numeric &QT, const Numeric &QT0, const AbsorptionLines &band=AbsorptionLines(), const Index &line_ind=0, const ArrayOfRetrievalQuantity &derivatives_data=ArrayOfRetrievalQuantity(), const ArrayOfIndex &derivatives_data_position=ArrayOfIndex(), const Numeric &dQT_dT=0.0)
	Applies linestrength to already set line shape by LTE population type. More...

void	apply_linestrength_scaling_by_vibrational_nlte (Eigen::Ref< Eigen::VectorXcd > F, Eigen::Ref< Eigen::MatrixXcd > dF, Eigen::Ref< Eigen::VectorXcd > N, Eigen::Ref< Eigen::MatrixXcd > dN, const Absorption::SingleLine &line, const Numeric &T, const Numeric &T0, const Numeric &Tu, const Numeric &Tl, const Numeric &Evu, const Numeric &Evl, const Numeric &isotopic_ratio, const Numeric &QT, const Numeric &QT0, const AbsorptionLines &band=AbsorptionLines(), const Index &line_ind=0, const ArrayOfRetrievalQuantity &derivatives_data=ArrayOfRetrievalQuantity(), const ArrayOfIndex &derivatives_data_position=ArrayOfIndex(), const Numeric &dQT_dT=0.0)
	Applies linestrength to already set line shape by vibrational level temperatures. More...

void	apply_lineshapemodel_jacobian_scaling (Eigen::Ref< Eigen::MatrixXcd > dF, const AbsorptionLines &band, const Index &line_ind, const ArrayOfRetrievalQuantity &derivatives_data, const ArrayOfIndex &derivatives_data_position, const Numeric &T, const Numeric &P, const Vector &vmrs)
	Applies the line-by-line pressure broadening jacobian for the matching lines. More...

Numeric	DopplerConstant (Numeric T, Numeric mass)
	Returns the frequency-independent part of the Doppler broadening. More...

Numeric	dDopplerConstant_dT (const Numeric &T, const Numeric &dc)
	Returns the temperature derivative of the frequency-independent part of the Doppler broadening. More...

void	find_cutoff_ranges (Index &start_cutoff, Index &nelem_cutoff, const Eigen::Ref< const Eigen::VectorXd > f_grid, const Numeric &fmin, const Numeric &fmax)
	Sets cutoff frequency indices. More...

void	apply_linestrength_from_nlte_level_distributions (Eigen::Ref< Eigen::VectorXcd > F, Eigen::Ref< Eigen::MatrixXcd > dF, Eigen::Ref< Eigen::VectorXcd > N, Eigen::Ref< Eigen::MatrixXcd > dN, const Numeric &r1, const Numeric &r2, const Numeric &g1, const Numeric &g2, const Numeric &A21, const Numeric &F0, const Numeric &T, const AbsorptionLines &band=AbsorptionLines(), const Index &line_ind=0, const ArrayOfRetrievalQuantity &derivatives_data=ArrayOfRetrievalQuantity(), const ArrayOfIndex &derivatives_data_position=ArrayOfIndex())
	Applies non-lte linestrength to already set line shape. More...

void	set_cross_section_of_band (InternalData &scratch, InternalData &sum, const ConstVectorView f_grid, const AbsorptionLines &band, const ArrayOfRetrievalQuantity &derivatives_data, const ArrayOfIndex &derivatives_data_active, const Vector &vmrs, const EnergyLevelMap &nlte, const Numeric &P, const Numeric &T, const Numeric &isot_ratio, const Numeric &H, const Numeric &DC, const Numeric &dDCdT, const Numeric &QT, const Numeric &dQTdT, const Numeric &QT0, const bool no_negatives=false, const bool zeeman=false, const Zeeman::Polarization zeeman_polarization=Zeeman::Polarization::Pi)
	Computes the cross-section of an absorption band. More...

Detailed Description

Line functions related to line shapes and line strength.

Function Documentation

◆ apply_linemixing_scaling_and_mirroring()

void Linefunctions::apply_linemixing_scaling_and_mirroring	(	Eigen::Ref< Eigen::VectorXcd >	F,
		Eigen::Ref< Eigen::MatrixXcd >	dF,
		const Eigen::Ref< Eigen::VectorXcd >	Fm,
		const Eigen::Ref< Eigen::MatrixXcd >	dFm,
		const LineShape::Output &	lso,
		const bool	with_mirroring,
		const AbsorptionLines &	band = `AbsorptionLines()`,
		const Index &	line_ind = `0`,
		const ArrayOfRetrievalQuantity &	derivatives_data = `ArrayOfRetrievalQuantity()`,
		const ArrayOfIndex &	derivatives_data_position = `ArrayOfIndex()`,
		const LineShape::Output &	dT = `{0, 0, 0, 0, 0, 0, 0, 0, 0}`,
		const LineShape::Output &	dVMR = `{0, 0, 0, 0, 0, 0, 0, 0, 0}`
	)

Applies line mixing scaling to already set lineshape and line mirror.

Equation: with_mirroring: F := (1+G-iY) * F + (1+G+iY) * Fm else: F := (1+G-iY) * F

and appropriate derivatives

Parameters

[in,out]	F	Lineshape. Must be right size
[in,out]	dF	Lineshape derivative. Must be right size
[in]	Fm	Mirrored lineshape. Must be right size
[in]	dFm	Mirrored lineshape derivative. Must be right size
[in]	lso	Line shape parameters
[in]	with_mirroring	Mirror lineshape check
[in]	band	The absorption lines
[in]	line_ind	The current line's ID
[in]	derivatives_data	The derivatives in dF
[in]	derivatives_data_position	The derivatives positions in dF
[in]	dT	Temperature derivatives of line shape parameters
[in]	dVMR	VMR derivatives of line shape parameters

Definition at line 420 of file linefunctions.cc.

References conj(), LineShape::Output::G, Array< base >::nelem(), and LineShape::Output::Y.

Referenced by set_cross_section_of_band().

◆ apply_lineshapemodel_jacobian_scaling()

void Linefunctions::apply_lineshapemodel_jacobian_scaling	(	Eigen::Ref< Eigen::MatrixXcd >	dF,
		const AbsorptionLines &	band,
		const Index &	line_ind,
		const ArrayOfRetrievalQuantity &	derivatives_data,
		const ArrayOfIndex &	derivatives_data_position,
		const Numeric &	T,
		const Numeric &	P,
		const Vector &	vmrs
	)

Applies the line-by-line pressure broadening jacobian for the matching lines.

Parameters

[in,out]	dF	Lineshape derivative. Must be right size
[in]	band	The absorption lines
[in]	line_ind	The current line's ID
[in]	derivatives_data	The derivatives in dF
[in]	derivatives_data_position	The derivatives positions in dF
[in]	T	Atmospheric temperature
[in]	P	Atmospheric pressure
[in]	vmrs	VMRs for line shape broadeners

Definition at line 787 of file linefunctions.cc.

References Absorption::id_in_line(), is_lineshape_parameter(), Array< base >::nelem(), RetrievalQuantity::QuantumIdentity(), Absorption::Lines::ShapeParameter_dInternal(), and LineShape::vmrs().

Referenced by set_cross_section_of_band().

◆ apply_linestrength_from_nlte_level_distributions()

void Linefunctions::apply_linestrength_from_nlte_level_distributions	(	Eigen::Ref< Eigen::VectorXcd >	F,
		Eigen::Ref< Eigen::MatrixXcd >	dF,
		Eigen::Ref< Eigen::VectorXcd >	N,
		Eigen::Ref< Eigen::MatrixXcd >	dN,
		const Numeric &	r1,
		const Numeric &	r2,
		const Numeric &	g1,
		const Numeric &	g2,
		const Numeric &	A21,
		const Numeric &	F0,
		const Numeric &	T,
		const AbsorptionLines &	band = `AbsorptionLines()`,
		const Index &	line_ind = `0`,
		const ArrayOfRetrievalQuantity &	derivatives_data = `ArrayOfRetrievalQuantity()`,
		const ArrayOfIndex &	derivatives_data_position = `ArrayOfIndex()`
	)

Applies non-lte linestrength to already set line shape.

Works on ratio-inputs, meaning that the total distribution does not have to be known

Cannot support partial derivatives at this point due to ARTS not possessing its own NLTE ratio calculation agenda

Parameters

[in,out]	F	Lineshape. Must be right size
[in,out]	dF	Lineshape derivative. Must be right size
[in,out]	N	Source lineshape
[in,out]	dN	Source lineshape derivative
[in]	r1	Ratio of molecules at energy level 1
[in]	r2	Ratio of molecules at energy level 2
[in]	g1	Statistical weight of energy level 1
[in]	g2	Statistical weight of energy level 2
[in]	A21	Einstein coefficient for the transition from energy level 2 to energy level 1
[in]	F0	Central frequency without any shifts
[in]	T	Atmospheric temperature
[in]	band	The absorption lines
[in]	line_ind	The current line's ID
[in]	derivatives_data	The derivatives in dF
[in]	derivatives_data_position	The derivatives positions in dF

Definition at line 844 of file linefunctions.cc.

References F0, Array< base >::nelem(), Constant::pow2(), and ARTS::Var::x().

Referenced by set_cross_section_of_band().

◆ apply_linestrength_scaling_by_lte()

void Linefunctions::apply_linestrength_scaling_by_lte	(	Eigen::Ref< Eigen::VectorXcd >	F,
		Eigen::Ref< Eigen::MatrixXcd >	dF,
		Eigen::Ref< Eigen::VectorXcd >	N,
		Eigen::Ref< Eigen::MatrixXcd >	dN,
		const Absorption::SingleLine &	line,
		const Numeric &	T,
		const Numeric &	T0,
		const Numeric &	isotopic_ratio,
		const Numeric &	QT,
		const Numeric &	QT0,
		const AbsorptionLines &	band = `AbsorptionLines()`,
		const Index &	line_ind = `0`,
		const ArrayOfRetrievalQuantity &	derivatives_data = `ArrayOfRetrievalQuantity()`,
		const ArrayOfIndex &	derivatives_data_position = `ArrayOfIndex()`,
		const Numeric &	dQT_dT = `0.0`
	)

Applies linestrength to already set line shape by LTE population type.

Parameters

[in,out]	F	Lineshape. Must be right size
[in,out]	dF	Lineshape derivative. Must be right size
[in,out]	N	Source lineshape
[in,out]	dN	Source lineshape derivative
[in]	line	The absorption line
[in]	T	The atmospheric temperature
[in]	T0	The reference temperature
[in]	isotopic_ratio	The ratio of the isotopologue in the atmosphere
[in]	QT	Partition function at atmospheric temperature of level
[in]	QT0	Partition function at reference temperature
[in]	band	The absorption lines
[in]	line_ind	The current line's ID
[in]	derivatives_data	The derivatives in dF
[in]	derivatives_data_position	The derivatives positions in dF
[in]	dQT_dT	Temperature derivative of QT

Definition at line 632 of file linefunctions.cc.

Referenced by set_cross_section_of_band().

◆ apply_linestrength_scaling_by_vibrational_nlte()

void Linefunctions::apply_linestrength_scaling_by_vibrational_nlte	(	Eigen::Ref< Eigen::VectorXcd >	F,
		Eigen::Ref< Eigen::MatrixXcd >	dF,
		Eigen::Ref< Eigen::VectorXcd >	N,
		Eigen::Ref< Eigen::MatrixXcd >	dN,
		const Absorption::SingleLine &	line,
		const Numeric &	T,
		const Numeric &	T0,
		const Numeric &	Tu,
		const Numeric &	Tl,
		const Numeric &	Evu,
		const Numeric &	Evl,
		const Numeric &	isotopic_ratio,
		const Numeric &	QT,
		const Numeric &	QT0,
		const AbsorptionLines &	band = `AbsorptionLines()`,
		const Index &	line_ind = `0`,
		const ArrayOfRetrievalQuantity &	derivatives_data = `ArrayOfRetrievalQuantity()`,
		const ArrayOfIndex &	derivatives_data_position = `ArrayOfIndex()`,
		const Numeric &	dQT_dT = `0.0`
	)

Applies linestrength to already set line shape by vibrational level temperatures.

Parameters

[in,out]	F	Lineshape. Must be right size
[in,out]	dF	Lineshape derivative. Must be right size
[in,out]	N	Source lineshape
[in,out]	dN	Source lineshape derivative
[in]	line	The absorption line
[in]	T	The atmospheric temperature
[in]	T0	The reference temperature
[in]	Tu	The upper state vibrational temperature; must be T if level is LTE
[in]	Tl	The lower state vibrational temperature; must be T if level is LTE
[in]	Evu	The upper state vibrational energy; if set funny, yields funny results
[in]	Evl	The lower state vibrational energy; if set funny, yields funny results
[in]	isotopic_ratio	The ratio of the isotopologue in the atmosphere
[in]	QT	Partition function at atmospheric temperature of level
[in]	QT0	Partition function at reference temperature
[in]	band	The absorption lines
[in]	line_ind	The current line's ID
[in]	derivatives_data	The derivatives in dF
[in]	derivatives_data_position	The derivatives positions in dF
[in]	dQT_dT	Temperature derivative of QT

Definition at line 684 of file linefunctions.cc.

Referenced by set_cross_section_of_band().

◆ apply_rosenkranz_quadratic_scaling()

void Linefunctions::apply_rosenkranz_quadratic_scaling	(	Eigen::Ref< Eigen::VectorXcd >	F,
		Eigen::Ref< Eigen::MatrixXcd >	dF,
		const Eigen::Ref< const Eigen::VectorXd >	f_grid,
		const Numeric &	F0,
		const Numeric &	T,
		const AbsorptionLines &	band = `AbsorptionLines()`,
		const Index &	line_ind = `0`,
		const ArrayOfRetrievalQuantity &	derivatives_data = `ArrayOfRetrievalQuantity()`,
		const ArrayOfIndex &	derivatives_data_position = `ArrayOfIndex()`
	)

Applies Rosenkranz quadratic normalization to already set line shape.

Parameters

[in,out]	F	Lineshape. Must be right size
[in,out]	dF	Lineshape derivative. Must be right size
[in]	f_grid	Frequency grid of computations
[in]	F0	Central frequency without any shifts
[in]	T	Atmospheric temperature at level
[in]	band	The absorption lines
[in]	line_ind	The current line's ID
[in]	derivatives_data	The derivatives in dF
[in]	derivatives_data_position	The derivatives positions in dF

Definition at line 481 of file linefunctions.cc.

References do_temperature_jacobian(), F0, ARTS::Var::f_grid(), Absorption::id_in_line(), is_frequency_parameter(), Array< base >::nelem(), and Absorption::Lines::QuantumIdentity().

Referenced by set_cross_section_of_band(), and set_lineshape().

◆ apply_VVH_scaling()

void Linefunctions::apply_VVH_scaling	(	Eigen::Ref< Eigen::VectorXcd >	F,
		Eigen::Ref< Eigen::MatrixXcd >	dF,
		Eigen::Ref< Eigen::Matrix< Complex, Eigen::Dynamic, ExpectedDataSize()>>	data,
		const Eigen::Ref< const Eigen::VectorXd >	f_grid,
		const Numeric &	F0,
		const Numeric &	T,
		const AbsorptionLines &	band = `AbsorptionLines()`,
		const Index &	line_ind = `0`,
		const ArrayOfRetrievalQuantity &	derivatives_data = `ArrayOfRetrievalQuantity()`,
		const ArrayOfIndex &	derivatives_data_position = `ArrayOfIndex()`
	)

Applies Van Vleck and Huber normalization to already set line shape.

Parameters

[in,out]	F	Lineshape. Must be right size
[in,out]	dF	Lineshape derivative. Must be right size
[in,out]	data	Block of allocated memory. Output nonsensical
[in]	f_grid	Frequency grid of computations
[in]	F0	Central frequency without any shifts
[in]	T	Atmospheric temperature at level
[in]	band	The absorption lines
[in]	line_ind	The current line's ID
[in]	derivatives_data	The derivatives in dF
[in]	derivatives_data_position	The derivatives positions in dF

Definition at line 531 of file linefunctions.cc.

References data, F0, ARTS::Var::f_grid(), Absorption::id_in_line(), is_frequency_parameter(), Array< base >::nelem(), and Absorption::Lines::QuantumIdentity().

Referenced by set_cross_section_of_band(), and set_lineshape().

◆ apply_VVW_scaling()

void Linefunctions::apply_VVW_scaling	(	Eigen::Ref< Eigen::VectorXcd >	F,
		Eigen::Ref< Eigen::MatrixXcd >	dF,
		const Eigen::Ref< const Eigen::VectorXd >	f_grid,
		const Numeric &	F0,
		const AbsorptionLines &	band = `AbsorptionLines()`,
		const Index &	line_ind = `0`,
		const ArrayOfRetrievalQuantity &	derivatives_data = `ArrayOfRetrievalQuantity()`,
		const ArrayOfIndex &	derivatives_data_position = `ArrayOfIndex()`
	)

Applies Van Vleck and Weiskopf normalization to already set line shape.

Parameters

[in,out]	F	Lineshape. Must be right size
[in,out]	dF	Lineshape derivative. Must be right size
[in]	f_grid	Frequency grid of computations
[in]	F0	Central frequency without any shifts
[in]	band	The absorption lines
[in]	line_ind	The current line's ID
[in]	derivatives_data	The derivatives in dF
[in]	derivatives_data_position	The derivatives positions in dF

Definition at line 580 of file linefunctions.cc.

References F0, ARTS::Var::f_grid(), fac(), Absorption::id_in_line(), is_frequency_parameter(), Array< base >::nelem(), and Absorption::Lines::QuantumIdentity().

Referenced by set_cross_section_of_band(), and set_lineshape().

◆ dDopplerConstant_dT()

Numeric Linefunctions::dDopplerConstant_dT	(	const Numeric &	T,
		const Numeric &	dc
	)

Returns the temperature derivative of the frequency-independent part of the Doppler broadening.

Parameters

[in]	T	Atmospheric temperature at level
[in]	dc	Output of Linefunctions::DopplerConstant(T, mass)

Returns: Doppler broadening constant temperature derivative

Definition at line 811 of file linefunctions.cc.

Referenced by xsec_species(), and zeeman_on_the_fly().

◆ DopplerConstant()

Numeric Linefunctions::DopplerConstant	(	Numeric	T,
		Numeric	mass
	)

Returns the frequency-independent part of the Doppler broadening.

Parameters

[in]	T	Atmospheric temperature at level
[in]	mass	Mass of molecule under consideration

Returns: Doppler broadening constant

Definition at line 807 of file linefunctions.cc.

References sqrt().

Referenced by Absorption::PredefinedModel::makarov2020_o2_lines_mpm(), xsec_species(), and zeeman_on_the_fly().

◆ ExpectedDataSize()

constexpr Index Linefunctions::ExpectedDataSize ( )

constexpr

Size required for data buffer.

Definition at line 42 of file linefunctions.h.

Referenced by Linefunctions::InternalData::InternalData(), and set_lineshape().

◆ find_cutoff_ranges()

void Linefunctions::find_cutoff_ranges	(	Index &	start_cutoff,
		Index &	nelem_cutoff,
		const Eigen::Ref< const Eigen::VectorXd >	f_grid,
		const Numeric &	fmin,
		const Numeric &	fmax
	)

Sets cutoff frequency indices.

Parameters

[out]	start_cutoff	Start pos of cutoff frequency
[out]	end_cutoff	End pos of cutoff frequency
[in]	f_grid	Frequency grid of computations
[in]	fmin	Minimum frequency
[in]	fmax	Maximum frequency

Definition at line 816 of file linefunctions.cc.

References ARTS::Var::f_grid().

Referenced by set_cross_section_of_band().

◆ lte_linestrength()

Numeric Linefunctions::lte_linestrength	(	Numeric	S0,
		Numeric	E0,
		Numeric	F0,
		Numeric	QT0,
		Numeric	T0,
		Numeric	QT,
		Numeric	T
	)

Gets the local thermodynamic equilibrium line strength.

Parameters

[in]	S0	Reference linestrength
[in]	E0	Reference line lower energy
[in]	F0	Central frequency without any shifts
[in]	QT0	Partition function at reference temperature
[in]	T0	Reference temperature
[in]	QT	Partition function at atmospheric temperature
[in]	T	Atmospheric temperature at level

Returns: The local thermodynamic equilibrium line strength

Definition at line 618 of file linefunctions.cc.

◆ set_cross_section_of_band()

void Linefunctions::set_cross_section_of_band	(	InternalData &	scratch,
		InternalData &	sum,
		const ConstVectorView	f_grid,
		const AbsorptionLines &	band,
		const ArrayOfRetrievalQuantity &	derivatives_data,
		const ArrayOfIndex &	derivatives_data_active,
		const Vector &	vmrs,
		const EnergyLevelMap &	nlte,
		const Numeric &	P,
		const Numeric &	T,
		const Numeric &	isot_ratio,
		const Numeric &	H,
		const Numeric &	DC,
		const Numeric &	dDCdT,
		const Numeric &	QT,
		const Numeric &	dQTdT,
		const Numeric &	QT0,
		const bool	no_negatives = `false`,
		const bool	zeeman = `false`,
		const Zeeman::Polarization	zeeman_polarization = `Zeeman::Polarization::Pi`
	)

Computes the cross-section of an absorption band.

Parameters

[in,out]	scratch	Data that is overwritten by every line
[in,out]	sun	Data that is set to zero then added onto by every line
[in]	f_grid	As WSV
[in]	band	The absorption band
[in]	derivatives_data	Derivatives
[in]	derivatives_data_active	Derivatives that are active
[in]	vmrs	The VMRs of this band's broadening species
[in]	nlte	A map of NLTE energy levels
[in]	P	The pressure
[in]	T	The temperature
[in]	isot_ratio	The band isotopic ratio
[in]	H	The strength of the magnetic field
[in]	DC	As per DopplerConstant
[in]	dDCdT	Temperature derivative of DC
[in]	QT	The partition function at the temperature
[in]	dQTdT	Temperature derivative of QT
[in]	QT0	The partition function at the band reference temperature
[in]	no_negatives	Check sum.F before output of any real negative values, and removes them if present
[in]	zeeman	Attempts adding up the fine Zeeman lines
[in]	zeeman_polarization	The polarization of Zeeman model (to know how many Zeeman lines there will be)

Definition at line 1291 of file linefunctions.cc.

Referenced by xsec_species(), and zeeman_on_the_fly().

◆ set_doppler()

void Linefunctions::set_doppler	(	Eigen::Ref< Eigen::VectorXcd >	F,
		Eigen::Ref< Eigen::MatrixXcd >	dF,
		Eigen::Ref< Eigen::Matrix< Complex, Eigen::Dynamic, ExpectedDataSize()>>	data,
		const Eigen::Ref< const Eigen::VectorXd >	f_grid,
		const Numeric &	zeeman_df,
		const Numeric &	magnetic_magnitude,
		const Numeric &	F0_noshift,
		const Numeric &	GD_div_F0,
		const AbsorptionLines &	band = `AbsorptionLines()`,
		const Index &	line_ind = `0`,
		const ArrayOfRetrievalQuantity &	derivatives_data = `ArrayOfRetrievalQuantity()`,
		const ArrayOfIndex &	derivatives_data_position = `ArrayOfIndex()`,
		const Numeric &	dGD_div_F0_dT = `0.0`
	)

Sets the Doppler line shape.

Normalization is unity.

Parameters

[in,out]	F	Lineshape. Must be right size
[in,out]	dF	Lineshape derivative. Must be right size
[in,out]	data	Block of allocated memory. Output nonsensical
[in]	f_grid	Frequency grid of computations
[in]	zeeman_df	Zeeman shift parameter for the line
[in]	magnetic_magnitude	Absolute strength of the magnetic field
[in]	F0_noshift	Central frequency without any shifts
[in]	GD_div_F0	Frequency-independent part of the Doppler broadening
[in]	band	The absorption lines
[in]	line_ind	The current line's ID
[in]	derivatives_data	The derivatives in dF
[in]	derivatives_data_position	The derivatives positions in dF
[in]	dGD_div_F0_dT	Temperature derivative of GD_div_F0

Definition at line 375 of file linefunctions.cc.

References data, F0, ARTS::Var::f_grid(), Absorption::id_in_line(), is_frequency_parameter(), Array< base >::nelem(), Absorption::Lines::QuantumIdentity(), and ARTS::Var::x().

Referenced by set_cross_section_of_band(), and set_lineshape().

◆ set_htp()

void Linefunctions::set_htp	(	Eigen::Ref< Eigen::VectorXcd >	F,
		Eigen::Ref< Eigen::MatrixXcd >	dF,
		const Eigen::Ref< const Eigen::VectorXd >	f_grid,
		const Numeric &	zeeman_df,
		const Numeric &	magnetic_magnitude,
		const Numeric &	F0_noshift,
		const Numeric &	GD_div_F0,
		const LineShape::Output &	lso,
		const AbsorptionLines &	band = `AbsorptionLines()`,
		const Index &	line_ind = `0`,
		const ArrayOfRetrievalQuantity &	derivatives_data = `ArrayOfRetrievalQuantity()`,
		const ArrayOfIndex &	derivatives_data_position = `ArrayOfIndex()`,
		const Numeric &	dGD_div_F0_dT = `0.0`,
		const LineShape::Output &	dT = `{0, 0, 0, 0, 0, 0, 0, 0, 0}`,
		const LineShape::Output &	dVMR = `{0, 0, 0, 0, 0, 0, 0, 0, 0}`
	)

Sets the HTP line shape.

Normalization is unity.

Note: We are not experienced with this line shape and cannot tell what parameters depends on what input. It is therefore likely that this function will have to be adapted in the future

Parameters

[in,out]	F	Lineshape. Must be right size
[in,out]	dF	Lineshape derivative. Must be right size
[in]	f_grid	Frequency grid of computations
[in]	zeeman_df	Zeeman shift parameter for the line
[in]	magnetic_magnitude	Absolute strength of the magnetic field
[in]	F0_noshift	Central frequency without any shifts
[in]	GD_div_F0	Frequency-independent part of the Doppler broadening
[in]	lso	Line shape parameters
[in]	band	The absorption lines
[in]	line_ind	The current line's ID
[in]	derivatives_data	The derivatives in dF
[in]	derivatives_data_position	The derivatives positions in dF
[in]	dGD_div_F0_dT	Temperature derivative of GD_div_F0
[in]	dT	Temperature derivatives of line shape parameters
[in]	dVMR	VMR derivatives of line shape parameters

Definition at line 931 of file linefunctions.cc.

References abs, Conversion::freq2kaycm(), Constant::pow2(), Constant::pow3(), Constant::pow4(), and sqrt().

Referenced by set_cross_section_of_band(), and set_lineshape().

◆ set_lineshape()

void Linefunctions::set_lineshape	(	Eigen::Ref< Eigen::VectorXcd >	F,
		const Eigen::Ref< const Eigen::VectorXd >	f_grid,
		const Absorption::SingleLine &	line,
		const Numeric &	temperature,
		const Numeric &	zeeman_df,
		const Numeric &	magnetic_magnitude,
		const Numeric &	doppler_constant,
		const LineShape::Output &	lso,
		const LineShape::Type	lineshape_type,
		const Absorption::MirroringType	mirroring_type,
		const Absorption::NormalizationType	norm_type
	)

Sets the lineshape normalized to unity.

No line mixing or linestrength is computed.

Parameters

[in,out]	F	Lineshape. Must be right size
[in]	f_grid	Frequency grid of computations
[in]	line	The absortion line
[in]	temperature	Atmospheric temperature
[in]	zeeman_df	Zeeman splitting coefficient
[in]	magnetic_magnitude	Strength of local magnetic field
[in]	lso	Line shape parameters
[in]	lineshape_type	Line shape scheme
[in]	mirroring_type	Mirroring scheme
[in]	norm_type	Normalization scheme

Definition at line 87 of file linefunctions.cc.

References apply_rosenkranz_quadratic_scaling(), apply_VVH_scaling(), apply_VVW_scaling(), data, LineShape::DP, ExpectedDataSize(), Absorption::SingleLine::F0(), ARTS::Var::f_grid(), LineShape::mirroredOutput(), Absorption::None, set_doppler(), set_htp(), set_lorentz(), and set_voigt().

◆ set_lorentz()

void Linefunctions::set_lorentz	(	Eigen::Ref< Eigen::VectorXcd >	F,
		Eigen::Ref< Eigen::MatrixXcd >	dF,
		Eigen::Ref< Eigen::Matrix< Complex, Eigen::Dynamic, ExpectedDataSize()>>	data,
		const Eigen::Ref< const Eigen::VectorXd >	f_grid,
		const Numeric &	zeeman_df,
		const Numeric &	magnetic_magnitude,
		const Numeric &	F0_noshift,
		const LineShape::Output &	lso,
		const AbsorptionLines &	band = `AbsorptionLines()`,
		const Index &	line_ind = `0`,
		const ArrayOfRetrievalQuantity &	derivatives_data = `ArrayOfRetrievalQuantity()`,
		const ArrayOfIndex &	derivatives_data_position = `ArrayOfIndex()`,
		const LineShape::Output &	dT = `{0, 0, 0, 0, 0, 0, 0, 0, 0}`,
		const LineShape::Output &	dVMR = `{0, 0, 0, 0, 0, 0, 0, 0, 0}`
	)

Sets the Lorentz line shape.

Normalization is unity.

Parameters

[in,out]	F	Lineshape. Must be right size
[in,out]	dF	Lineshape derivative. Must be right size
[in,out]	data	Block of allocated memory. Output nonsensical
[in]	f_grid	Frequency grid of computations
[in]	zeeman_df	Zeeman shift parameter for the line
[in]	magnetic_magnitude	Absolute strength of the magnetic field
[in]	F0_noshift	Central frequency without any shifts
[in]	lso	Line shape parameters
[in]	band	The absorption lines
[in]	line_ind	The current line's ID
[in]	derivatives_data	The derivatives in dF
[in]	derivatives_data_position	The derivatives positions in dF
[in]	dT	Temperature derivatives of line shape parameters
[in]	dVMR	VMR derivatives of line shape parameters

Definition at line 234 of file linefunctions.cc.

References LineShape::Output::D0, data, LineShape::Output::DV, dw(), F0, ARTS::Var::f_grid(), LineShape::Output::G0, Absorption::id_in_line(), is_frequency_parameter(), is_magnetic_parameter(), is_pressure_broadening_D0(), is_pressure_broadening_DV(), is_pressure_broadening_G0(), Array< base >::nelem(), and Absorption::Lines::QuantumIdentity().

Referenced by set_cross_section_of_band(), and set_lineshape().

◆ set_voigt()

void Linefunctions::set_voigt	(	Eigen::Ref< Eigen::VectorXcd >	F,
		Eigen::Ref< Eigen::MatrixXcd >	dF,
		Eigen::Ref< Eigen::Matrix< Complex, Eigen::Dynamic, ExpectedDataSize()>>	data,
		const Eigen::Ref< const Eigen::VectorXd >	f_grid,
		const Numeric &	zeeman_df,
		const Numeric &	magnetic_magnitude,
		const Numeric &	F0_noshift,
		const Numeric &	GD_div_F0,
		const LineShape::Output &	lso,
		const AbsorptionLines &	band = `AbsorptionLines()`,
		const Index &	line_ind = `0`,
		const ArrayOfRetrievalQuantity &	derivatives_data = `ArrayOfRetrievalQuantity()`,
		const ArrayOfIndex &	derivatives_data_position = `ArrayOfIndex()`,
		const Numeric &	dGD_div_F0_dT = `0.0`,
		const LineShape::Output &	dT = `{0, 0, 0, 0, 0, 0, 0, 0, 0}`,
		const LineShape::Output &	dVMR = `{0, 0, 0, 0, 0, 0, 0, 0, 0}`
	)

Sets the Voigt line shape.

Normalization is unity.

Parameters

[in,out]	F	Lineshape. Must be right size
[in,out]	dF	Lineshape derivative. Must be right size
[in,out]	data	Block of allocated memory. Output nonsensical
[in]	f_grid	Frequency grid of computations
[in]	zeeman_df	Zeeman shift parameter for the line
[in]	magnetic_magnitude	Absolute strength of the magnetic field
[in]	F0_noshift	Central frequency without any shifts
[in]	GD_div_F0	Frequency-independent part of the Doppler broadening
[in]	lso	Line shape parameters
[in]	band	The absorption lines
[in]	line_ind	The current line's ID
[in]	derivatives_data	The derivatives in dF
[in]	derivatives_data_position	The derivatives positions in dF
[in]	dGD_div_F0_dT	Temperature derivative of GD_div_F0
[in]	dT	Temperature derivatives of line shape parameters
[in]	dVMR	VMR derivatives of line shape parameters

Definition at line 298 of file linefunctions.cc.

References LineShape::Output::D0, data, LineShape::Output::DV, dw(), F0, ARTS::Var::f_grid(), fac(), LineShape::Output::G0, Absorption::id_in_line(), is_frequency_parameter(), is_magnetic_parameter(), is_pressure_broadening_D0(), is_pressure_broadening_DV(), is_pressure_broadening_G0(), Array< base >::nelem(), Absorption::Lines::QuantumIdentity(), and w().

Referenced by set_cross_section_of_band(), and set_lineshape().

Classes

Functions

Detailed Description

Function Documentation

◆ apply_linemixing_scaling_and_mirroring()

◆ apply_lineshapemodel_jacobian_scaling()

◆ apply_linestrength_from_nlte_level_distributions()

◆ apply_linestrength_scaling_by_lte()

◆ apply_linestrength_scaling_by_vibrational_nlte()

◆ apply_rosenkranz_quadratic_scaling()

◆ apply_VVH_scaling()

◆ apply_VVW_scaling()

◆ dDopplerConstant_dT()

◆ DopplerConstant()

◆ ExpectedDataSize()

◆ find_cutoff_ranges()

◆ lte_linestrength()

◆ set_cross_section_of_band()

◆ set_doppler()

◆ set_htp()

◆ set_lineshape()

◆ set_lorentz()

◆ set_voigt()