BritishNationalGrid.cpp File Reference

#include <ctype.h>
#include <math.h>
#include <stdio.h>
#include <string.h>
#include "TransverseMercator.h"
#include "BritishNationalGrid.h"
#include "BNGCoordinates.h"
#include "EllipsoidParameters.h"
#include "MapProjectionCoordinates.h"
#include "GeodeticCoordinates.h"
#include "CoordinateConversionException.h"
#include "ErrorMessages.h"

Go to the source code of this file.

Functions
void	findIndex (char letter, const char *letterArray, long *index)
long	roundBNG (double value)
void	makeBNGString (char ltrnum[4], long easting, long northing, char *BNGString, long precision)
bool	checkOutOfArea (char BNG500, char BNG100)
void	breakBNGString (char *BNGString, char letters[3], double *easting, double *northing, long *precision)

Variables
const double	PI = 3.14159265358979323e0
const double	PI_OVER_2 = (PI / 2.0e0)
const double	TWO_PI = (2.0e0 * PI)
const double	MAX_LAT = (61.5 * PI / 180.0)
const double	MIN_LAT = (49.5 * PI / 180.0)
const double	MAX_LON = (3.5 * PI / 180.0)
const double	MIN_LON = (-10.0 * PI / 180.0)
const char *	BNG500GRID = "STNOHJ"
const char *	BNG100GRID = "VWXYZQRSTULMNOPFGHJKABCDE"
const double	BNG_Origin_Lat = (49.0 * PI / 180.0)
const double	BNG_Origin_Long = (-2.0 * PI / 180.0)
const double	BNG_False_Northing = -100000.0
const double	BNG_False_Easting = 400000.0
const double	BNG_Scale_Factor = .9996012717
const double	BNG_Max_Easting = 759961.0
const double	BNG_Max_Northing = 1257875.0
const double	BNG_Min_Easting = -133134.0
const double	BNG_Min_Northing = -14829.0
static const char *	Airy = "AA"

Function Documentation

void breakBNGString	(	char *	BNGString,
		char	letters[3],
		double *	easting,
		double *	northing,
		long *	precision
	)

Definition at line 334 of file BritishNationalGrid.cpp.

bool checkOutOfArea	(	char	BNG500,
		char	BNG100
	)

Error_Code = BNG_NO_ERROR;

Definition at line 226 of file BritishNationalGrid.cpp.

void findIndex	(	char	letter,
		const char *	letterArray,
		long *	index
	)

Definition at line 149 of file BritishNationalGrid.cpp.

void makeBNGString	(	char	ltrnum[4],
		long	easting,
		long	northing,
		char *	BNGString,
		long	precision
	)

Definition at line 193 of file BritishNationalGrid.cpp.

long roundBNG

(

double

value

)

Definition at line 179 of file BritishNationalGrid.cpp.

Variable Documentation

const char* Airy = "AA"

static

Definition at line 144 of file BritishNationalGrid.cpp.

const char* BNG100GRID = "VWXYZQRSTULMNOPFGHJKABCDE"

Definition at line 129 of file BritishNationalGrid.cpp.

const char* BNG500GRID = "STNOHJ"

Definition at line 128 of file BritishNationalGrid.cpp.

const double BNG_False_Easting = 400000.0

Definition at line 135 of file BritishNationalGrid.cpp.

const double BNG_False_Northing = -100000.0

Definition at line 134 of file BritishNationalGrid.cpp.

const double BNG_Max_Easting = 759961.0

Definition at line 139 of file BritishNationalGrid.cpp.

const double BNG_Max_Northing = 1257875.0

Definition at line 140 of file BritishNationalGrid.cpp.

const double BNG_Min_Easting = -133134.0

Definition at line 141 of file BritishNationalGrid.cpp.

const double BNG_Min_Northing = -14829.0

Definition at line 142 of file BritishNationalGrid.cpp.

const double BNG_Origin_Lat = (49.0 * PI / 180.0)

Definition at line 132 of file BritishNationalGrid.cpp.

const double BNG_Origin_Long = (-2.0 * PI / 180.0)

Definition at line 133 of file BritishNationalGrid.cpp.

const double BNG_Scale_Factor = .9996012717

Definition at line 136 of file BritishNationalGrid.cpp.

const double MAX_LAT = (61.5 * PI / 180.0)

Definition at line 124 of file BritishNationalGrid.cpp.

const double MAX_LON = (3.5 * PI / 180.0)

Definition at line 126 of file BritishNationalGrid.cpp.

const double MIN_LAT = (49.5 * PI / 180.0)

Definition at line 125 of file BritishNationalGrid.cpp.

const double MIN_LON = (-10.0 * PI / 180.0)

Definition at line 127 of file BritishNationalGrid.cpp.

const double PI = 3.14159265358979323e0

Definition at line 121 of file BritishNationalGrid.cpp.

const double PI_OVER_2 = (PI / 2.0e0)

Definition at line 122 of file BritishNationalGrid.cpp.

const double TWO_PI = (2.0e0 * PI)

Definition at line 123 of file BritishNationalGrid.cpp.