GravityComputer Class Reference

Gravity computer class. More...

#include <gravity_computer.h>

Public Member Functions
	GravityComputer ()
	Compute gravitational acceleration as a function of latitude and altitude above mean sea level. More...
	~GravityComputer ()
	GravityComputer (const GravityComputer &)=delete
GravityComputer &	operator= (const GravityComputer &)=delete
bool	Update (float lat_rad=CONSTS_PIDIV4, float lon_rad=0.0f, float alt_msl=280.0f)
	Use a gravitymodel to compute gravity at a given latitude, longitude, and altitude. More...
float	GetGravity ()
	Returns gravitational acceleration in [m/s/s]. More...

Static Public Member Functions
static GravityComputer &	GetInstance ()

Public Attributes
uint32_t	errCount
	Number of errors or invalid inputs to the code. More...

Private Member Functions
bool	_ComputeGravity (float lat, float lon, float alt)
	Compute gravitational acceleration in [m/s/s] using a gravity model. More...

Private Attributes
float	_grav
	Computed gravitational acceleration in [m/s/s]. More...
MedianFilter	GravSmoother
	Median filter to smooth out gravity. More...

Detailed Description

Gravity computer class.

Constructor & Destructor Documentation

GravityComputer() [1/2]

GravityComputer::GravityComputer

(

)

Compute gravitational acceleration as a function of latitude and altitude above mean sea level.

Down is positive!

~GravityComputer()

GravityComputer::~GravityComputer ( )

inline

GravityComputer() [2/2]

GravityComputer::GravityComputer ( const GravityComputer &  )

delete

Member Function Documentation

_ComputeGravity()

bool GravityComputer::_ComputeGravity ( float  lat, float  lon, float  alt  )

private

Compute gravitational acceleration in [m/s/s] using a gravity model.

Parameters

lat	Geodetic latitude in [rad].
lon	Geodetic longitude in [rad].
alt	Altitude above MSL in [m].

Returns

True if good calculation, false if an error was encountered.

GetGravity()

float GravityComputer::GetGravity

(

)

Returns gravitational acceleration in [m/s/s].

Returns

Gravitational acceleration in [m/s/s]

See also

Update()

Warning

Be sure to periodically call Update().

GetInstance()

GravityComputer & GravityComputer::GetInstance ( )

static

operator=()

GravityComputer& GravityComputer::operator= ( const GravityComputer &  )

delete

Update()

bool GravityComputer::Update	(	float	lat_rad = CONSTS_PIDIV4,
		float	lon_rad = 0.0f,
		float	alt_msl = 280.0f
	)

Use a gravitymodel to compute gravity at a given latitude, longitude, and altitude.

Parameters

lat_rad	[rad] Geodetic latitude.
lon_rad	[rad] Geodetic longitude.
alt_msl	[m] Altitude above MSL.

Returns

True if everything is good, false if there was an error.

Member Data Documentation

_grav

float GravityComputer::_grav

private

Computed gravitational acceleration in [m/s/s].

errCount

uint32_t GravityComputer::errCount

Number of errors or invalid inputs to the code.

GravSmoother

MedianFilter GravityComputer::GravSmoother

private

Median filter to smooth out gravity.

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

• include/gravity_computer.h
• src/gravity_computer.cpp