polarst.c File Reference

#include <math.h>
#include "polarst.h"

Go to the source code of this file.

Macros
#define	PI   3.14159265358979323e0 /* PI */
#define	PI_OVER_2   (PI / 2.0)
#define	TWO_PI   (2.0 * PI)
#define	POLAR_POW(EsSin)   pow((1.0 - EsSin) / (1.0 + EsSin), es_OVER_2)

Functions
int	Set_Polar_Stereographic_Parameters (double a, double f, double Latitude_of_True_Scale, double longitude_Down_from_Pole, double False_Easting, double False_Northing)
void	Get_Polar_Stereographic_Parameters (double *a, double *f, double *Latitude_of_True_Scale, double *longitude_Down_from_Pole, double *False_Easting, double *False_Northing)
int	Convert_Geodetic_To_Polar_Stereographic (double Latitude, double longitude, double *Easting, double *Northing)
int	Convert_Polar_Stereographic_To_Geodetic (double Easting, double Northing, double *Latitude, double *longitude)

Variables
const double	PI_Over_4 = (PI / 4.0)
static double	Polar_a = 6378137.0
static double	Polar_f = 1 / 298.257223563
static double	es = 0.08181919084262188000
static double	es_OVER_2 = .040909595421311
static double	Southern_Hemisphere = 0
static double	tc = 1.0
static double	e4 = 1.0033565552493
static double	Polar_a_mc = 6378137.0
static double	two_Polar_a = 12756274.0
static double	Polar_Origin_Lat = ((PI * 90) / 180)
static double	Polar_Origin_int = 0.0
static double	Polar_False_Easting = 0.0
static double	Polar_False_Northing = 0.0
static double	Polar_Delta_Easting = 12713601.0
static double	Polar_Delta_Northing = 12713601.0

Macro Definition Documentation

#define PI   3.14159265358979323e0 /* PI */

Definition at line 110 of file polarst.c.

#define PI_OVER_2   (PI / 2.0)

Definition at line 111 of file polarst.c.

#define POLAR_POW

(

EsSin

)

pow((1.0 - EsSin) / (1.0 + EsSin), es_OVER_2)

Definition at line 113 of file polarst.c.

#define TWO_PI   (2.0 * PI)

Definition at line 112 of file polarst.c.

Function Documentation

int Convert_Geodetic_To_Polar_Stereographic	(	double	Latitude,
		double	longitude,
		double *	Easting,
		double *	Northing
	)

Definition at line 305 of file polarst.c.

int Convert_Polar_Stereographic_To_Geodetic	(	double	Easting,
		double	Northing,
		double *	Latitude,
		double *	longitude
	)

Definition at line 404 of file polarst.c.

void Get_Polar_Stereographic_Parameters	(	double *	a,
		double *	f,
		double *	Latitude_of_True_Scale,
		double *	longitude_Down_from_Pole,
		double *	False_Easting,
		double *	False_Northing
	)

Definition at line 275 of file polarst.c.

int Set_Polar_Stereographic_Parameters	(	double	a,
		double	f,
		double	Latitude_of_True_Scale,
		double	longitude_Down_from_Pole,
		double	False_Easting,
		double	False_Northing
	)

Definition at line 154 of file polarst.c.

Variable Documentation

double e4 = 1.0033565552493

static

Definition at line 129 of file polarst.c.

double es = 0.08181919084262188000

static

Definition at line 125 of file polarst.c.

double es_OVER_2 = .040909595421311

static

Definition at line 126 of file polarst.c.

const double PI_Over_4 = (PI / 4.0)

Definition at line 120 of file polarst.c.

double Polar_a = 6378137.0

static

Definition at line 123 of file polarst.c.

double Polar_a_mc = 6378137.0

static

Definition at line 130 of file polarst.c.

double Polar_Delta_Easting = 12713601.0

static

Definition at line 140 of file polarst.c.

double Polar_Delta_Northing = 12713601.0

static

Definition at line 141 of file polarst.c.

double Polar_f = 1 / 298.257223563

static

Definition at line 124 of file polarst.c.

double Polar_False_Easting = 0.0

static

Definition at line 136 of file polarst.c.

double Polar_False_Northing = 0.0

static

Definition at line 137 of file polarst.c.

double Polar_Origin_int = 0.0

static

Definition at line 135 of file polarst.c.

double Polar_Origin_Lat = ((PI * 90) / 180)

static

Definition at line 134 of file polarst.c.

double Southern_Hemisphere = 0

static

Definition at line 127 of file polarst.c.

double tc = 1.0

static

Definition at line 128 of file polarst.c.

double two_Polar_a = 12756274.0

static

Definition at line 131 of file polarst.c.