BritishNationalGrid.cpp File Reference

#include <ctype.h>
#include <math.h>
#include <stdio.h>
#include <string.h>
#include "TransverseMercator.h"
#include "BritishNationalGrid.h"
#include "DtccApi.h"
#include "CoordinateSystem.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

Function Documentation

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

Definition at line 337 of file BritishNationalGrid.cpp.

bool checkOutOfArea ( char  BNG500,
char  BNG100 
)

Error_Code = BNG_NO_ERROR;

Definition at line 228 of file BritishNationalGrid.cpp.

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

Definition at line 151 of file BritishNationalGrid.cpp.

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

Definition at line 195 of file BritishNationalGrid.cpp.

long roundBNG ( double  value  ) 

Definition at line 181 of file BritishNationalGrid.cpp.


Variable Documentation

const char* BNG100GRID = "VWXYZQRSTULMNOPFGHJKABCDE"

Definition at line 128 of file BritishNationalGrid.cpp.

const char* BNG500GRID = "STNOHJ"

Definition at line 127 of file BritishNationalGrid.cpp.

const double BNG_False_Easting = 400000.0

Definition at line 134 of file BritishNationalGrid.cpp.

const double BNG_False_Northing = -100000.0

Definition at line 133 of file BritishNationalGrid.cpp.

const double BNG_Max_Easting = 759961.0

Definition at line 138 of file BritishNationalGrid.cpp.

const double BNG_Max_Northing = 1257875.0

Definition at line 139 of file BritishNationalGrid.cpp.

const double BNG_Min_Easting = -133134.0

Definition at line 140 of file BritishNationalGrid.cpp.

const double BNG_Min_Northing = -14829.0

Definition at line 141 of file BritishNationalGrid.cpp.

const double BNG_Origin_Lat = (49.0 * PI / 180.0)

Definition at line 131 of file BritishNationalGrid.cpp.

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

Definition at line 132 of file BritishNationalGrid.cpp.

const double BNG_Scale_Factor = .9996012717

Definition at line 135 of file BritishNationalGrid.cpp.

const double MAX_LAT = (61.5 * PI / 180.0)

Definition at line 123 of file BritishNationalGrid.cpp.

const double MAX_LON = (3.5 * PI / 180.0)

Definition at line 125 of file BritishNationalGrid.cpp.

const double MIN_LAT = (49.5 * PI / 180.0)

Definition at line 124 of file BritishNationalGrid.cpp.

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

Definition at line 126 of file BritishNationalGrid.cpp.

const double PI = 3.14159265358979323e0

Definition at line 120 of file BritishNationalGrid.cpp.

const double PI_OVER_2 = (PI / 2.0e0)

Definition at line 121 of file BritishNationalGrid.cpp.

const double TWO_PI = (2.0e0 * PI)

Definition at line 122 of file BritishNationalGrid.cpp.

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