OpenCPN Georef utility. More...

#include <stdio.h>
#include <string.h>
#include <ctype.h>

Classes
struct	DATUM

struct	ELLIPSOID

struct	GeoRef
	Structure containing georeferencing information for transforming between geographic and projected/pixel coordinate systems. More...

struct	lm_control_type

struct	lm_data_type

Macros
#define	PI 3.1415926535897931160E0 /* pi */

#define	DEGREE (PI / 180.0)

#define	RADIAN (180.0 / PI)

#define	DATUM_INDEX_WGS84 101

#define	DATUM_INDEX_UNKNOWN -1

Typedefs
typedef void()	lm_evaluate_ftype(double par, int m_dat, double fvec, void data, int info)

typedef void()	lm_print_ftype(int n_par, double par, int m_dat, double fvec, void *data, int iflag, int iter, int nfev)

Functions
void	datumParams (short datum, double a, double es)

void	toDMS (double a, char *bufp, int bufplen)

void	toDMM (double a, char *bufp, int bufplen)

int	GetDatumIndex (const char *str)

void	MolodenskyTransform (double lat, double lon, double to_lat, double to_lon, int from_datum_index, int to_datum_index)

double	lat_gc_crosses_meridian (double lat1, double lon1, double lat2, double lon2, double lon)

double	lat_rl_crosses_meridian (double lat1, double lon1, double lat2, double lon2, double lon)

void	lm_evaluate_default (double par, int m_dat, double fvec, void data, int info)

void	lm_print_default (int n_par, double par, int m_dat, double fvec, void *data, int iflag, int iter, int nfev)

void	lm_initialize_control (lm_control_type *control)
	=================================================================================

void	lm_minimize (int m_dat, int n_par, double par, lm_evaluate_ftype evaluate, lm_print_ftype printout, void data, lm_control_type *control)

double	lm_enorm (int, double *)

void	lm_lmdif (int m, int n, double x, double fvec, double ftol, double xtol, double gtol, int maxfev, double epsfcn, double diag, int mode, double factor, int info, int nfev, double fjac, int ipvt, double qtf, double wa1, double wa2, double wa3, double wa4, lm_evaluate_ftype evaluate, lm_print_ftype printout, void *data)

Variables
const char *	lm_infmsg []

const char *	lm_shortmsg []

Detailed Description

OpenCPN Georef utility.

Parts of this file were adapted from source code found in John F. Waers (jfwae.nosp@m.rs@c.nosp@m.sn.ne.nosp@m.t) public domain program MacGPS45

Definition in file georef.h.

Macro Definition Documentation

◆ DATUM_INDEX_UNKNOWN

#define DATUM_INDEX_UNKNOWN -1

Definition at line 95 of file georef.h.

◆ DATUM_INDEX_WGS84

#define DATUM_INDEX_WGS84 101

Definition at line 94 of file georef.h.

◆ DEGREE

#define DEGREE (PI / 180.0)

Definition at line 91 of file georef.h.

◆ PI

#define PI 3.1415926535897931160E0 /* pi */

Definition at line 89 of file georef.h.

◆ RADIAN

#define RADIAN (180.0 / PI)

Definition at line 92 of file georef.h.

Typedef Documentation

◆ lm_evaluate_ftype

typedef void() lm_evaluate_ftype(double *par, int m_dat, double *fvec, void *data, int *info)

Definition at line 774 of file georef.h.

◆ lm_print_ftype

typedef void() lm_print_ftype(int n_par, double *par, int m_dat, double *fvec, void *data, int iflag, int iter, int nfev)

Definition at line 781 of file georef.h.

Function Documentation

◆ datumParams()

void datumParams	(	short	datum,
		double *	a,
		double *	es
	)

Definition at line 232 of file georef.cpp.

◆ GetDatumIndex()

int GetDatumIndex ( const char * str )

Definition at line 276 of file georef.cpp.

◆ lat_gc_crosses_meridian()

double lat_gc_crosses_meridian	(	double	lat1,
		double	lon1,
		double	lat2,
		double	lon2,
		double	lon
	)

Definition at line 2854 of file georef.cpp.

◆ lat_rl_crosses_meridian()

double lat_rl_crosses_meridian	(	double	lat1,
		double	lon1,
		double	lat2,
		double	lon2,
		double	lon
	)

Definition at line 2872 of file georef.cpp.

◆ lm_enorm()

double lm_enorm	(	int	n,
		double *	x
	)

Definition at line 2788 of file georef.cpp.

◆ lm_evaluate_default()

void lm_evaluate_default	(	double *	par,
		int	m_dat,
		double *	fvec,
		void *	data,
		int *	info
	)

Definition at line 1667 of file georef.cpp.

◆ lm_initialize_control()

void lm_initialize_control ( lm_control_type * control )

=================================================================================

Definition at line 1743 of file georef.cpp.

◆ lm_lmdif()

void lm_lmdif	(	int	m,
		int	n,
		double *	x,
		double *	fvec,
		double	ftol,
		double	xtol,
		double	gtol,
		int	maxfev,
		double	epsfcn,
		double *	diag,
		int	mode,
		double	factor,
		int *	info,
		int *	nfev,
		double *	fjac,
		int *	ipvt,
		double *	qtf,
		double *	wa1,
		double *	wa2,
		double *	wa3,
		double *	wa4,
		lm_evaluate_ftype *	evaluate,
		lm_print_ftype *	printout,
		void *	data
	)

Definition at line 1838 of file georef.cpp.

◆ lm_minimize()

void lm_minimize	(	int	m_dat,
		int	n_par,
		double *	par,
		lm_evaluate_ftype *	evaluate,
		lm_print_ftype *	printout,
		void *	data,
		lm_control_type *	control
	)

Definition at line 1752 of file georef.cpp.

◆ lm_print_default()

void lm_print_default	(	int	n_par,
		double *	par,
		int	m_dat,
		double *	fvec,
		void *	data,
		int	iflag,
		int	iter,
		int	nfev
	)

Definition at line 1696 of file georef.cpp.

◆ MolodenskyTransform()

void MolodenskyTransform	(	double	lat,
		double	lon,
		double *	to_lat,
		double *	to_lon,
		int	from_datum_index,
		int	to_datum_index
	)

Definition at line 906 of file georef.cpp.

◆ toDMM()

void toDMM	(	double	a,
		char *	bufp,
		int	bufplen
	)

Definition at line 341 of file georef.cpp.

◆ toDMS()

void toDMS	(	double	a,
		char *	bufp,
		int	bufplen
	)

Definition at line 291 of file georef.cpp.

Variable Documentation

◆ lm_infmsg

const char* lm_infmsg[]

extern

Definition at line 1784 of file georef.cpp.

◆ lm_shortmsg

const char* lm_shortmsg[]