This file contains global constants. More...

#include "mystring.h"
#include "matpackI.h"

Variables
const Numeric	ATM2PA = 1.01325e5
	Global constant, converts atm to Pa. More...

const Numeric	AVOGADROS_NUMB = 6.0220450e26
	Global constant, the Avogadro's number [molec/kg]. More...

const Numeric	BOHR_MAGNETON = 9.27400968e-24
	Bohr Magneton. More...

const Numeric	BOLTZMAN_CONST = 1.380662e-23
	Global constant, the Boltzmann constant [J/K]. More...

const Numeric	COSMIC_BG_TEMP = 2.735
	Global constant, Planck temperature for cosmic background radiation [K]. More...

const Numeric	DEG2RAD = 0.017453292519943
	Global constant, conversion from degrees to radians. More...

const Numeric	EARTH_RADIUS = 6.3781e6
	Global constant, the radius of the Earth [m]. More...

const Numeric	ELECTRON_CHARGE = -1.602176565e-19
	Global constant, the charge of an electron [As] N.B. More...

const Numeric	ELECTRON_MASS = 9.10938291e-31
	Global constant, the mass of an electron [kg]. More...

const Numeric	EULER_NUMBER = 2.7182818284590452
	Global constant, e (Euler's number) More...

const Numeric	GAS_CONSTANT = 8.3144621
	Global constant, universal gas constant. More...

const Numeric	LANDE_GS = 2.0023193043622
	Lande factor gs. More...

const Numeric	LOG10_EULER_NUMBER = 0.43429448190325176
	Global constant, log10(Euler's number) More...

const Numeric	NAT_LOG_TEN = 2.3025850929940459
	Global constant, ln(10) More...

const Numeric	NAT_LOG_2 = 0.69314718055994
	Global constant, ln(2) More...

const Numeric	PI = 3.141592653589793
	Global constant, pi. More...

const Numeric	PLANCK_CONST = 6.626180e-34
	Global constant, the Planck constant [Js]. More...

const Numeric	RAD2DEG = 57.295779513082323
	Global constant, conversion from radians to degrees. More...

const Numeric	SPEED_OF_LIGHT = 2.99792458e8
	Global constant, speed of light in vaccum [m/s]. More...

const Numeric	HZ2CM = 0.01 / SPEED_OF_LIGHT
	Global constant, converts Hz to cm-1. More...

const Numeric	SQRT_NAT_LOG_2 = 0.832554611
	Global constant, sqrt(ln(2)) More...

const Numeric	TEMP_0_C = 273.15
	Global constant, Temperature in Celsius of 0 Kelvin. More...

const Numeric	TORR2PA = 133.3227
	Global constant, converts torr to Pa. More...

const Numeric	VACUUM_PERMITTIVITY = 8.854187817620e-12
	Global constant, the vacuum permittivity [F m-1]. More...

const Index	GFIELD1_F_GRID = 0
	Global constant, Index of the frequency grid in GriddedField1. More...

const Index	GFIELD3_P_GRID = 0
	Global constant, Index of the pressure grid in GriddedField3. More...

const Index	GFIELD3_LAT_GRID = 1
	Global constant, Index of the latitude grid in GriddedField3. More...

const Index	GFIELD3_LON_GRID = 2
	Global constant, Index of the longitude grid in GriddedField3. More...

const Index	GFIELD4_FIELD_NAMES = 0
	Global constant, Index of the field names in GriddedField4. More...

const Index	GFIELD4_IA_GRID = 0
	Global constant, Index of incidence angles in GriddedField4. More...

const Index	GFIELD4_P_GRID = 1
	Global constant, Index of the pressure grid in GriddedField4. More...

const Index	GFIELD4_F_GRID = 1
	Global constant, Index of the frequency grid in GriddedField4. More...

const Index	GFIELD4_LAT_GRID = 2
	Global constant, Index of the latitude grid in GriddedField4. More...

const Index	GFIELD4_ZA_GRID = 2
	Global constant, Index of the zenith angle grid in GriddedField4. More...

const Index	GFIELD4_LON_GRID = 3
	Global constant, Index of the longitude grid in GriddedField4. More...

const Index	GFIELD4_AA_GRID = 3
	Global constant, Index of the azimuth angle grid in GriddedField4. More...

const String	ABSSPECIES_MAINTAG = "Absorption species"

const String	FREQUENCY_MAINTAG = "Frequency"

const String	FREQUENCY_SUBTAG_0 = "Shift"

const String	FREQUENCY_SUBTAG_1 = "Stretch"

const String	POINTING_MAINTAG = "Sensor pointing"

const String	POINTING_SUBTAG_A = "Zenith angle off-set"

const String	POINTING_CALCMODE_A = "Recalculate iyb"

const String	POINTING_CALCMODE_B = "Interpolate iyb"

const String	POLYFIT_MAINTAG = "Polynomial baseline fit"

const String	SINEFIT_MAINTAG = "Sinusoidal baseline fit"

const String	TEMPERATURE_MAINTAG = "Atmospheric temperatures"

const String	WIND_MAINTAG = "Wind"

Detailed Description

This file contains global constants.

You can use them anywhere by declaring them as in the following example:

extern const Numeric PI;

See for example the National Institute of Standards and Technology (NIST)
home page for the values of specific constants.

Author: Patrick Eriksson

Date: 2000-09-14

Definition in file constants.cc.

Variable Documentation

◆ ABSSPECIES_MAINTAG

const String ABSSPECIES_MAINTAG = "Absorption species"

extern

◆ ATM2PA

const Numeric ATM2PA = 1.01325e5

extern

Global constant, converts atm to Pa.

Multiply your value in atm by this constant to get the value in Pa.

Author: Stefan Buehler

Date: 2000-06-17

Referenced by LineRecord::ReadFromHitran2001Stream(), and LineRecord::ReadFromHitran2004Stream().

◆ AVOGADROS_NUMB

const Numeric AVOGADROS_NUMB = 6.0220450e26

extern

Global constant, the Avogadro's number [molec/kg].

Author: Patrick Eriksson

Date: 08.04.2000

Referenced by xsec_species().

◆ BOHR_MAGNETON

const Numeric BOHR_MAGNETON = 9.27400968e-24

extern

Bohr Magneton.

Author: Richard Larsson

Date: 2012-09-26

◆ BOLTZMAN_CONST

const Numeric BOLTZMAN_CONST = 1.380662e-23

extern

Global constant, the Boltzmann constant [J/K].

Author: Patrick Eriksson

Date: 08.04.2000

Referenced by lineshape_norm_VVH(), MCIPA(), xsec_continuum_tag(), and xsec_species().

◆ COSMIC_BG_TEMP

const Numeric COSMIC_BG_TEMP = 2.735

extern

Global constant, Planck temperature for cosmic background radiation [K].

Author: Patrick Eriksson

Date: 08.04.2000

◆ DEG2RAD

const Numeric DEG2RAD = 0.017453292519943

extern

Global constant, conversion from degrees to radians.

Multiply your value in degrees by this constant to get the value in radians.

Author: Patrick Eriksson

Date: 08.04.2000

Referenced by cart2poslos(), defocusing_general(), defocusing_sat2sat(), dotprod_with_los(), interp_scat_angle_temperature(), lat_crossing_3d(), lon_crossing_3d(), mcPathTraceIPA(), raytrace_1d_linear_basic(), and za_geom2other_point().

◆ EARTH_RADIUS

const Numeric EARTH_RADIUS = 6.3781e6

extern

Global constant, the radius of the Earth [m].

Author: Patrick Eriksson

Date: 08.04.2000

◆ ELECTRON_CHARGE

const Numeric ELECTRON_CHARGE = -1.602176565e-19

extern

Global constant, the charge of an electron [As] N.B.

this is a negative number.

Author: Patrick Eriksson

Date: 2012-04-04

◆ ELECTRON_MASS

const Numeric ELECTRON_MASS = 9.10938291e-31

extern

Global constant, the mass of an electron [kg].

Author: Patrick Eriksson

Date: 2012-04-04

◆ EULER_NUMBER

const Numeric EULER_NUMBER = 2.7182818284590452

extern

Global constant, e (Euler's number)

Author: Thomas Kuhn

Date: 08.11.2001

◆ FREQUENCY_MAINTAG

const String FREQUENCY_MAINTAG = "Frequency"

extern

◆ FREQUENCY_SUBTAG_0

const String FREQUENCY_SUBTAG_0 = "Shift"

extern

◆ FREQUENCY_SUBTAG_1

const String FREQUENCY_SUBTAG_1 = "Stretch"

extern

◆ GAS_CONSTANT

const Numeric GAS_CONSTANT = 8.3144621

extern

Global constant, universal gas constant.

Author: Patrick Eriksson

Date: 2012-03-19

◆ GFIELD1_F_GRID

const Index GFIELD1_F_GRID = 0

extern

Global constant, Index of the frequency grid in GriddedField1.

Author: Patrick Eriksson

Date: 2008-07-02

◆ GFIELD3_LAT_GRID

const Index GFIELD3_LAT_GRID = 1

extern

Global constant, Index of the latitude grid in GriddedField3.

Author: Oliver Lemke

Date: 2008-06-24

◆ GFIELD3_LON_GRID

const Index GFIELD3_LON_GRID = 2

extern

Global constant, Index of the longitude grid in GriddedField3.

Author: Oliver Lemke

Date: 2008-06-24

◆ GFIELD3_P_GRID

const Index GFIELD3_P_GRID = 0

extern

Global constant, Index of the pressure grid in GriddedField3.

Author: Oliver Lemke

Date: 2008-06-24

◆ GFIELD4_AA_GRID

const Index GFIELD4_AA_GRID = 3

extern

Global constant, Index of the azimuth angle grid in GriddedField4.

Author: Patrick Eriksson

Date: 2008-07-01

◆ GFIELD4_F_GRID

const Index GFIELD4_F_GRID = 1

extern

Global constant, Index of the frequency grid in GriddedField4.

Author: Patrick Eriksson

Date: 2008-07-01

◆ GFIELD4_FIELD_NAMES

const Index GFIELD4_FIELD_NAMES = 0

extern

Global constant, Index of the field names in GriddedField4.

Author: Oliver Lemke

Date: 2008-06-25

◆ GFIELD4_IA_GRID

const Index GFIELD4_IA_GRID = 0

extern

Global constant, Index of incidence angles in GriddedField4.

Author: Patrick Eriksson

Date: 2008-09-20

◆ GFIELD4_LAT_GRID

const Index GFIELD4_LAT_GRID = 2

extern

Global constant, Index of the latitude grid in GriddedField4.

Author: Oliver Lemke

Date: 2008-06-25

◆ GFIELD4_LON_GRID

const Index GFIELD4_LON_GRID = 3

extern

Global constant, Index of the longitude grid in GriddedField4.

Author: Oliver Lemke

Date: 2008-06-25

◆ GFIELD4_P_GRID

const Index GFIELD4_P_GRID = 1

extern

Global constant, Index of the pressure grid in GriddedField4.

Author: Oliver Lemke

Date: 2008-06-25

◆ GFIELD4_ZA_GRID

const Index GFIELD4_ZA_GRID = 2

extern

Global constant, Index of the zenith angle grid in GriddedField4.

Author: Patrick Eriksson

Date: 2008-07-01

◆ HZ2CM

const Numeric HZ2CM = 0.01 / SPEED_OF_LIGHT

extern

Global constant, converts Hz to cm-1.

Multiply your value in Hz by this constant to get the value in cm-1.

Author: Patrick Eriksson

Date: 2003-09-07

Referenced by chi_cousin().

◆ LANDE_GS

const Numeric LANDE_GS = 2.0023193043622

extern

Lande factor gs.

Author: Richard Larsson

Date: 2012-09-26

◆ LOG10_EULER_NUMBER

const Numeric LOG10_EULER_NUMBER = 0.43429448190325176

extern

Global constant, log10(Euler's number)

Author: Thomas Kuhn

Date: 08.11.2001

◆ NAT_LOG_2

const Numeric NAT_LOG_2 = 0.69314718055994

extern

Global constant, ln(2)

Author: Patrick Eriksson

Date: 08.04.2000

◆ NAT_LOG_TEN

const Numeric NAT_LOG_TEN = 2.3025850929940459

extern

Global constant, ln(10)

Author: Thomas Kuhn

Date: 08.11.2001

◆ PI

const Numeric PI = 3.141592653589793

extern

Global constant, pi.

Author: Patrick Eriksson

Date: 08.04.2000

◆ PLANCK_CONST

const Numeric PLANCK_CONST = 6.626180e-34

extern

Global constant, the Planck constant [Js].

Author: Patrick Eriksson

Date: 08.04.2000

Referenced by lineshape_norm_VVH(), wavenumber_to_joule(), and xsec_species().

◆ POINTING_CALCMODE_A

const String POINTING_CALCMODE_A = "Recalculate iyb"

extern

◆ POINTING_CALCMODE_B

const String POINTING_CALCMODE_B = "Interpolate iyb"

extern

◆ POINTING_MAINTAG

const String POINTING_MAINTAG = "Sensor pointing"

extern

◆ POINTING_SUBTAG_A

const String POINTING_SUBTAG_A = "Zenith angle off-set"

extern

◆ POLYFIT_MAINTAG

const String POLYFIT_MAINTAG = "Polynomial baseline fit"

extern

◆ RAD2DEG

const Numeric RAD2DEG = 57.295779513082323

extern

Global constant, conversion from radians to degrees.

Multiply your value in radians by this constant to get the value in degrees.

Author: Patrick Eriksson

Date: 08.04.2000

Referenced by cart2poslos(), cart2sph(), interp_scat_angle_temperature(), lat_crossing_3d(), lon_crossing_3d(), Sample_los(), and za_geom2other_point().

◆ SINEFIT_MAINTAG

const String SINEFIT_MAINTAG = "Sinusoidal baseline fit"

extern

◆ SPEED_OF_LIGHT

const Numeric SPEED_OF_LIGHT = 2.99792458e8

extern

Global constant, speed of light in vaccum [m/s].

Author: Patrick Eriksson

Date: 08.04.2000

◆ SQRT_NAT_LOG_2

const Numeric SQRT_NAT_LOG_2 = 0.832554611

extern

Global constant, sqrt(ln(2))

Author: Axel von Engeln

Date: 25.09.2000

◆ TEMP_0_C

const Numeric TEMP_0_C = 273.15

extern

Global constant, Temperature in Celsius of 0 Kelvin.

Author: Axel von Engeln

Date: 2000-12-19

◆ TEMPERATURE_MAINTAG

const String TEMPERATURE_MAINTAG = "Atmospheric temperatures"

extern

◆ TORR2PA

const Numeric TORR2PA = 133.3227

extern

Global constant, converts torr to Pa.

Multiply your value in torr by this constant to get the value in Pa.

Author: Axel von Engeln

Date: 2000-10-31

Referenced by LineRecord::ReadFromMytran2Stream().

◆ VACUUM_PERMITTIVITY

const Numeric VACUUM_PERMITTIVITY = 8.854187817620e-12

extern

Global constant, the vacuum permittivity [F m-1].

The constant is also know the permittivity of free space or electric constant.

Author: Patrick Eriksson

Date: 2012-04-04

◆ WIND_MAINTAG

const String WIND_MAINTAG = "Wind"

extern

Variables

Detailed Description

Variable Documentation

◆ ABSSPECIES_MAINTAG

◆ ATM2PA

◆ AVOGADROS_NUMB

◆ BOHR_MAGNETON

◆ BOLTZMAN_CONST

◆ COSMIC_BG_TEMP

◆ DEG2RAD

◆ EARTH_RADIUS

◆ ELECTRON_CHARGE

◆ ELECTRON_MASS

◆ EULER_NUMBER

◆ FREQUENCY_MAINTAG

◆ FREQUENCY_SUBTAG_0

◆ FREQUENCY_SUBTAG_1

◆ GAS_CONSTANT

◆ GFIELD1_F_GRID

◆ GFIELD3_LAT_GRID

◆ GFIELD3_LON_GRID

◆ GFIELD3_P_GRID

◆ GFIELD4_AA_GRID

◆ GFIELD4_F_GRID

◆ GFIELD4_FIELD_NAMES

◆ GFIELD4_IA_GRID

◆ GFIELD4_LAT_GRID

◆ GFIELD4_LON_GRID

◆ GFIELD4_P_GRID

◆ GFIELD4_ZA_GRID

◆ HZ2CM

◆ LANDE_GS

◆ LOG10_EULER_NUMBER

◆ NAT_LOG_2

◆ NAT_LOG_TEN

◆ PI

◆ PLANCK_CONST

◆ POINTING_CALCMODE_A

◆ POINTING_CALCMODE_B

◆ POINTING_MAINTAG

◆ POINTING_SUBTAG_A

◆ POLYFIT_MAINTAG

◆ RAD2DEG

◆ SINEFIT_MAINTAG

◆ SPEED_OF_LIGHT

◆ SQRT_NAT_LOG_2

◆ TEMP_0_C

◆ TEMPERATURE_MAINTAG

◆ TORR2PA

◆ VACUUM_PERMITTIVITY

◆ WIND_MAINTAG