gis/line_dist.c File Reference

#include <grass/gis.h>

Include dependency graph for gis/line_dist.c:

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Macros
#define	ZERO(x)   x < tolerance && x > -tolerance
#define	TOLERANCE   1.0e-10

Functions
int	G_set_distance_to_line_tolerance (double t)
double	G_distance2_point_to_line (double x, double y, double x1, double y1, double x2, double y2)

Macro Definition Documentation

#define TOLERANCE   1.0e-10

Definition at line 5 of file gis/line_dist.c.

Referenced by G_set_distance_to_line_tolerance().

#define ZERO

(

x

)

x < tolerance && x > -tolerance

Definition at line 4 of file gis/line_dist.c.

Referenced by G_distance2_point_to_line().

Function Documentation

double G_distance2_point_to_line	(	double	x,
		double	y,
		double	x1,
		double	y1,
		double	x2,
		double	y2
	)

Definition at line 17 of file gis/line_dist.c.

References y, and ZERO.

int G_set_distance_to_line_tolerance

(

double

t

)

Definition at line 8 of file gis/line_dist.c.

References TOLERANCE.