mapgraph.h File Reference

Go to the source code of this file.

Macros
#define	LONGITUDE(lon)
#define	LATITUDE(lat)
#define	far

Functions
void	mapinit (double xmn, double ymn, double xmx, double ymx, int width, int height, void far(*fwdproj)(), void far(*invproj)())
void	screenxy (double xmap, double ymap, int *xscreen, int *yscreen)
void	mapxy (int xscreen, int yscreen, double *xmap, double *ymap)
void	draw_graticule (double xstart, double ystart, double xstep, double ystep, int ninterm_pts, int color, int style, int thickness)

Macro Definition Documentation

far

#define far

Definition at line 24 of file mapgraph.h.

LATITUDE

#define LATITUDE

(

lat

)

Value:

{\
   if (lat < -90.0) lat += 180.0; \
   if (lat > 90.0) lat -= 180.0; \
}

Definition at line 15 of file mapgraph.h.

LONGITUDE

#define LONGITUDE

(

lon

)

Value:

{\
   if (lon < -180.0) lon += 360.0; \
   if (lon > 180.0) lon -= 360.0; \
}

Definition at line 10 of file mapgraph.h.

Function Documentation

draw_graticule()

void draw_graticule	(	double	xstart,
		double	ystart,
		double	xstep,
		double	ystep,
		int	ninterm_pts,
		int	color,
		int	style,
		int	thickness
	)

mapinit()

void mapinit	(	double	xmn,
		double	ymn,
		double	xmx,
		double	ymx,
		int	width,
		int	height,
		void far(*)()	fwdproj,
		void far(*)()	invproj
	)

mapxy()

void mapxy	(	int	xscreen,
		int	yscreen,
		double *	xmap,
		double *	ymap
	)

screenxy()

void screenxy	(	double	xmap,
		double	ymap,
		int *	xscreen,
		int *	yscreen
	)