geo_mag_declination.h File Reference

Calculation / lookup table for Earth's magnetic field declination, inclination and strength. More...

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Functions
float	get_mag_declination (float lat, float lon)
float	get_mag_inclination (float lat, float lon)
float	get_mag_strength (float lat, float lon)

Detailed Description

Calculation / lookup table for Earth's magnetic field declination, inclination and strength.

Data generated by https://www.ngdc.noaa.gov/geomag-web/#igrfgrid IGRF calculator on 22 Jan 2018

Definition in file geo_mag_declination.h.

Function Documentation

get_mag_declination()

float get_mag_declination	(	float	lat,
		float	lon
	)

Definition at line 165 of file geo_mag_declination.cpp.

References declination_table, and get_table_data().

Referenced by AutoDeclinationTest::autodeclination_check(), Ekf::collect_gps(), and AttitudeEstimatorQ::Run().

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get_mag_inclination()

float get_mag_inclination	(	float	lat,
		float	lon
	)

Definition at line 170 of file geo_mag_declination.cpp.

References get_table_data(), and inclination_table.

Referenced by Ekf::collect_gps().

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get_mag_strength()

float get_mag_strength	(	float	lat,
		float	lon
	)

Definition at line 175 of file geo_mag_declination.cpp.

References get_table_data(), and strength_table.

Referenced by Ekf::collect_gps().

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