titanlib::util Namespace Reference

Functions
float	calc_distance (float lat1, float lon1, float lat2, float lon2)
float	calc_distance (float x0, float y0, float z0, float x1, float y1, float z1)
double	clock ()
float	compute_quantile (double quantile, const vec &array)
bool	convert_coordinates (const vec &lats, const vec &lons, vec &x_coords, vec &y_coords, vec &z_coords)
	Convert lat/lons to 3D cartesian coordinates with the centre of the earth as the origin. More...
bool	convert_coordinates (float lat, float lon, float &x_coord, float &y_coord, float &z_coord)
	Same as above, but convert a single lat/lon to 3D cartesian coordinates. More...
void	convert_to_proj (const vec &lats, const vec &lons, std::string proj4, vec &x_coords, vec &y_coords)
float	deg2rad (float deg)
vec	interpolate_to_points (const vec2 &input_lats, const vec2 &input_lons, const vec2 &input_values, const vec &output_lats, const vec &output_lons)
vec	subset (const vec &input, const ivec &indices)
float *	test_array (float *v, int n)
	Required for SWIG only. More...

Function Documentation

calc_distance() [1/2]

float titanlib::util::calc_distance	(	float	lat1,
		float	lon1,
		float	lat2,
		float	lon2
	)

calc_distance() [2/2]

float titanlib::util::calc_distance	(	float	x0,
		float	y0,
		float	z0,
		float	x1,
		float	y1,
		float	z1
	)

clock()

double titanlib::util::clock

(

)

Returns

The current UTC time (in seconds since 1970-01-01 00:00:00Z)

compute_quantile()

float titanlib::util::compute_quantile	(	double	quantile,
		const vec &	array
	)

convert_coordinates() [1/2]

bool titanlib::util::convert_coordinates	(	const vec &	lats,
		const vec &	lons,
		vec &	x_coords,
		vec &	y_coords,
		vec &	z_coords
	)

Convert lat/lons to 3D cartesian coordinates with the centre of the earth as the origin.

Parameters

lats	vector of latitudes [deg]
lons	vector of longitudes [deg]
x_coords	vector of x-coordinates [m]
y_coords	vector of y-coordinates [m]
z_coords	vector of z-coordinates [m]

convert_coordinates() [2/2]

bool titanlib::util::convert_coordinates	(	float	lat,
		float	lon,
		float &	x_coord,
		float &	y_coord,
		float &	z_coord
	)

Same as above, but convert a single lat/lon to 3D cartesian coordinates.

Parameters

lat	latitude [deg]
lon	longitude [deg]
x_coord	x-coordinate [m]
y_coord	y-coordinate [m]
z_coord	z-coordinate [m]

convert_to_proj()

void titanlib::util::convert_to_proj	(	const vec &	lats,
		const vec &	lons,
		std::string	proj4,
		vec &	x_coords,
		vec &	y_coords
	)

deg2rad()

float titanlib::util::deg2rad

(

float

deg

)

interpolate_to_points()

vec titanlib::util::interpolate_to_points	(	const vec2 &	input_lats,
		const vec2 &	input_lons,
		const vec2 &	input_values,
		const vec &	output_lats,
		const vec &	output_lons
	)

subset()

vec titanlib::util::subset	(	const vec &	input,
		const ivec &	indices
	)

test_array()

float * titanlib::util::test_array	(	float *	v,
		int	n
	)

Required for SWIG only.