coord.h File Reference

#include <stdio.h>
#include "config.h"
#include "projection.h"

Go to the source code of this file.

Data Structures
struct	coord
struct	lcoord
	An integer mercator coordinate packed with a text label. More...
struct	pcoord
struct	coord_rect
struct	coord_d
	A double mercator coordinate. More...
struct	coord_geo
	A WGS84 coordinate. More...
struct	coord_geo_cart
	A cartesian coordinate. More...

Macros
#define	coord_is_equal(a, b)   ((a).x==(b).x && (a).y==(b).y)
#define	navit_sin(x)   sin(x)
#define	navit_cos(x)   cos(x)
#define	navit_tan(x)   tan(x)
#define	navit_atan(x)   atan(x)
#define	navit_acos(x)   acos(x)
#define	navit_asin(x)   asin(x)
#define	navit_sqrt(x)   sqrt(x)

Typedefs
typedef double	navit_float

Enumerations
enum	coord_format {   DEGREES_DECIMAL_ABSOLUTE , DEGREES_DECIMAL , DEGREES_MINUTES , DEGREES_MINUTES_SECONDS ,   DEGREES_MINUTES_SECONDS_BRIEF }

Functions
struct coord *	coord_get (unsigned char **p)
struct coord *	coord_new (int x, int y)
struct coord *	coord_new_from_attrs (struct attr *parent, struct attr **attrs)
void	coord_destroy (struct coord *c)
int	coord_parse (const char *c_str, enum projection pro, struct coord *c_ret)
int	pcoord_parse (const char *c_str, enum projection pro, struct pcoord *c_ret)
void	coord_print (enum projection pro, struct coord *c, FILE *out)
struct coord_rect *	coord_rect_new (struct coord *lu, struct coord *rl)
void	coord_rect_destroy (struct coord_rect *r)
int	coord_rect_overlap (struct coord_rect *r1, struct coord_rect *r2)
int	coord_rect_contains (struct coord_rect *r, struct coord *c)
void	coord_rect_extend (struct coord_rect *r, struct coord *c)
void	coord_format_with_sep (float lat, float lng, enum coord_format fmt, char *buffer, int size, const char *sep)
	Converts a lat/lon into a text formatted text string. More...
void	coord_format (float lat, float lng, enum coord_format fmt, char *buffer, int size)
	Converts a lat/lon into a text formatted text string. More...
void	coord_geo_format_short (const struct coord_geo *gc, char *buffer, int size, char *sep)
	Converts a WGS84 coordinate pair to its string representation. More...
void	pcoord_format_degree_short (const struct pcoord *pc, char *buffer, int size, char *sep)
	Converts an integer mercator coordinate pair to its string representation. More...
void	pcoord_format_absolute (const struct pcoord *pc, char *buffer, int size, char *sep)
	Converts an integer mercator coordinate pair to its string representation. More...
char *	coordinates_geo (const struct coord_geo *gc, char sep)
unsigned int	coord_hash (const void *key)
	Generate a hash from a struct coord pointed by key. More...
int	coord_equal (const void *a, const void *b)
	Test if two struct coord structures are equal. More...

Macro Definition Documentation

coord_is_equal

#define coord_is_equal	(		a,
			b
	)		((a).x==(b).x && (a).y==(b).y)

Navit, a modular navigation system. Copyright (C) 2005-2008 Navit Team

This program is free software; you can redistribute it and/or modify it under the terms of the GNU Library General Public License version 2 as published by the Free Software Foundation.

This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public License for more details.

You should have received a copy of the GNU Library General Public License along with this program; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.

navit_acos

#define navit_acos

(

x

)

acos(x)

navit_asin

#define navit_asin

(

x

)

asin(x)

navit_atan

#define navit_atan

(

x

)

atan(x)

navit_cos

#define navit_cos

(

x

)

cos(x)

navit_sin

#define navit_sin

(

x

)

sin(x)

navit_sqrt

#define navit_sqrt

(

x

)

sqrt(x)

navit_tan

#define navit_tan

(

x

)

tan(x)

Typedef Documentation

navit_float

typedef double navit_float

Enumeration Type Documentation

coord_format

enum coord_format

An enumeration of formats for printing geographic coordinates in.

Enumerator
DEGREES_DECIMAL_ABSOLUTE	Degrees with absolute decimal places (positive or negative) ie -20.500000 -110.500000
DEGREES_DECIMAL	Degrees with decimal places (positive with heading) ie 20.500000°N 110.500000°E
DEGREES_MINUTES	Degrees and minutes. ie 20°30.0000' N 110°30.0000' E
DEGREES_MINUTES_SECONDS	Degrees, minutes and seconds. ie 20°30'30.00" N 110°30'30.00" E
DEGREES_MINUTES_SECONDS_BRIEF	Degrees, minutes and seconds, brief ie 20°30'30"N 110°30'30"E

Function Documentation

coordinates_geo()

char* coordinates_geo	(	const struct coord_geo *	gc,
		char	sep
	)