Troposphere.hpp File Reference

Troposphere Models. More...

Go to the source code of this file.

Classes
struct	NAV::AtmosphereModels
	Atmospheric model selection for temperature, pressure and water vapor. More...
struct	NAV::TroposphereModelSelection
	Collection of troposphere model selections. More...

Enumerations
enum class	NAV::MappingFunction : int {   None ,   Cosecant ,   GMF ,   VMF_GPT2 ,   VMF_GPT3 ,   COUNT }
	Available Mapping Functions. More...
enum class	NAV::TroposphereModel : int {   None ,   Saastamoinen ,   GPT2 ,   GPT3 ,   COUNT }
	Available Troposphere delay models. More...

Functions
ZenithDelay	NAV::calcTroposphericDelayAndMapping (const InsTime &insTime, const Eigen::Vector3d &lla_pos, double elevation, double azimuth, const TroposphereModelSelection &troposphereModels)
	Calculates the tropospheric zenith hydrostatic and wet delays and corresponding mapping factors.
bool	NAV::ComboTroposphereModel (const char *label, TroposphereModelSelection &troposphereModelSelection, float width=0.0F)
	Shows a ComboBox and button for advanced configuration to select the troposphere models.
void	NAV::from_json (const json &j, AtmosphereModels &obj)
	Converts the provided json object into a node object.
void	NAV::from_json (const json &j, TroposphereModelSelection &obj)
	Converts the provided json object into a node object.
void	NAV::to_json (json &j, const AtmosphereModels &obj)
	Converts the provided object into json.
void	NAV::to_json (json &j, const TroposphereModelSelection &obj)
	Converts the provided object into json.
const char *	NAV::to_string (MappingFunction mappingFunction)
	Converts the enum to a string.
const char *	NAV::to_string (TroposphereModel troposphereZhdModel)
	Converts the enum to a string.
double	NAV::tropoErrorVar (double dpsr_T, double elevation)
	Calculates the tropospheric error variance.

Detailed Description

Troposphere Models.

Author

T. Topp (topp@.nosp@m.ins..nosp@m.uni-s.nosp@m.tutt.nosp@m.gart..nosp@m.de)

Rui Wang (rui.w.nosp@m.ang@.nosp@m.ins.u.nosp@m.ni-s.nosp@m.tuttg.nosp@m.art..nosp@m.de)

Date

2022-05-26

Enumeration Type Documentation

MappingFunction

enum class NAV::MappingFunction : int

strong

Available Mapping Functions.

Enumerator
None	Mapping Function turned off (= 1)
Cosecant	Cosecant of elevation.
GMF	Global Mapping Function (GMF)
VMF_GPT2	Vienna Mapping Function based on the GPT2 grid.
VMF_GPT3	Vienna Mapping Function based on the GPT3 grid.
COUNT	Amount of items in the enum.

TroposphereModel

enum class NAV::TroposphereModel : int

strong

Available Troposphere delay models.

Enumerator
None	Troposphere Model turned off.
Saastamoinen	Saastamoinen model.
GPT2	GPT2.
GPT3	GPT3.
COUNT	Amount of items in the enum.

Function Documentation

calcTroposphericDelayAndMapping()

ZenithDelay NAV::calcTroposphericDelayAndMapping	(	const InsTime &	insTime,
		const Eigen::Vector3d &	lla_pos,
		double	elevation,
		double	azimuth,
		const TroposphereModelSelection &	troposphereModels )

Calculates the tropospheric zenith hydrostatic and wet delays and corresponding mapping factors.

Parameters

[in]	insTime	Time to calculate the values for
[in]	lla_pos	[𝜙, λ, h]^T Geodetic latitude, longitude and height in [rad, rad, m]
[in]	elevation	Satellite elevation [rad]
[in]	azimuth	Satellite azimuth [rad]
[in]	troposphereModels	Models to use for each calculation

Returns

ZHD, ZWD and mapping factors for ZHD and ZWD

ComboTroposphereModel()

bool NAV::ComboTroposphereModel	(	const char *	label,
		TroposphereModelSelection &	troposphereModelSelection,
		float	width = 0.0F )

Shows a ComboBox and button for advanced configuration to select the troposphere models.

Parameters

[in]	label	Label to show beside the combo box. This has to be a unique id for ImGui.
[in]	troposphereModelSelection	Reference to the troposphere model to select
[in]	width	Width of the widget

from_json() [1/2]

void NAV::from_json	(	const json &	j,
		AtmosphereModels &	obj )

Converts the provided json object into a node object.

Parameters

[in]	j	Json object with the needed values
[out]	obj	Object to fill from the json

from_json() [2/2]

void NAV::from_json	(	const json &	j,
		TroposphereModelSelection &	obj )

Converts the provided json object into a node object.

Parameters

[in]	j	Json object with the needed values
[out]	obj	Object to fill from the json

to_json() [1/2]

void NAV::to_json	(	json &	j,
		const AtmosphereModels &	obj )

Converts the provided object into json.

Parameters

[out]	j	Json object which gets filled with the info
[in]	obj	Object to convert into json

to_json() [2/2]

void NAV::to_json	(	json &	j,
		const TroposphereModelSelection &	obj )

Converts the provided object into json.

Parameters

[out]	j	Json object which gets filled with the info
[in]	obj	Object to convert into json

to_string() [1/2]

const char * NAV::to_string

(

MappingFunction

mappingFunction

)

Converts the enum to a string.

Parameters

[in]

mappingFunction

Enum value to convert into text

Returns

String representation of the enum

to_string() [2/2]

const char * NAV::to_string

(

TroposphereModel

troposphereZhdModel

)

Converts the enum to a string.

Parameters

[in]

troposphereZhdModel

Enum value to convert into text

Returns

String representation of the enum

tropoErrorVar()

double NAV::tropoErrorVar	(	double	dpsr_T,
		double	elevation )

Calculates the tropospheric error variance.

Parameters

[in]	dpsr_T	Tropospheric propagation error [m]
[in]	elevation	Satellite elevation in [rad]

Returns

Variance of the error [m^2]