georef.c File Reference

#include <stdlib.h>
#include <math.h>
#include <grass/gis.h>
#include <grass/imagery.h>
#include <signal.h>

Include dependency graph for georef.c:

Go to the source code of this file.

Macros
#define	M(row, col)   m->v[(((row)-1) * (m->n)) + (col)-1]
#define	MSUCCESS   1 /* SUCCESS */
#define	MNPTERR   0 /* NOT ENOUGH POINTS */
#define	MUNSOLVABLE   -1 /* NOT SOLVABLE */
#define	MMEMERR   -2 /* NOT ENOUGH MEMORY */
#define	MPARMERR   -3 /* PARAMETER ERROR */
#define	MINTERR   -4 /* INTERNAL ERROR */
#define	MAXORDER   3 /* HIGHEST SUPPORTED ORDER OF TRANSFORMATION */

Functions
int	I_georef (double e1, double n1, double *e, double *n, double E[], double N[], int order)
int	I_compute_georef_equations (struct Control_Points *cp, double E12[], double N12[], double E21[], double N21[], int order)

Macro Definition Documentation

M

#define M	(		row,
			col
	)		m->v[(((row)-1) * (m->n)) + (col)-1]

Definition at line 46 of file georef.c.

MAXORDER

#define MAXORDER   3 /* HIGHEST SUPPORTED ORDER OF TRANSFORMATION */

Definition at line 55 of file georef.c.

MINTERR

#define MINTERR   -4 /* INTERNAL ERROR */

Definition at line 53 of file georef.c.

MMEMERR

#define MMEMERR   -2 /* NOT ENOUGH MEMORY */

Definition at line 51 of file georef.c.

MNPTERR

#define MNPTERR   0 /* NOT ENOUGH POINTS */

Definition at line 49 of file georef.c.

MPARMERR

#define MPARMERR   -3 /* PARAMETER ERROR */

Definition at line 52 of file georef.c.

MSUCCESS

#define MSUCCESS   1 /* SUCCESS */

Definition at line 48 of file georef.c.

MUNSOLVABLE

#define MUNSOLVABLE   -1 /* NOT SOLVABLE */

Definition at line 50 of file georef.c.

Function Documentation

I_compute_georef_equations()

int I_compute_georef_equations	(	struct Control_Points *	cp,
		double	E12[],
		double	N12[],
		double	E21[],
		double	N21[],
		int	order
	)

Definition at line 133 of file georef.c.

References MAXORDER, and MPARMERR.

I_georef()

int I_georef	(	double	e1,
		double	n1,
		double *	e,
		double *	n,
		double	E[],
		double	N[],
		int	order
	)

Definition at line 77 of file georef.c.

References MPARMERR, MSUCCESS, N, and order().