diglib/poly.c File Reference

#include <math.h>
#include <grass/Vect.h>

Include dependency graph for diglib/poly.c:

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Macros
#define	HUGE_VAL   9999999999999.0

Functions
int	dig_get_poly_points (int n_lines, struct line_pnts **LPoints, int *direction, struct line_pnts *BPoints)
int	dig_find_area_poly (struct line_pnts *Points, double *totalarea)

Macro Definition Documentation

#define HUGE_VAL   9999999999999.0

Definition at line 23 of file diglib/poly.c.

Function Documentation

int dig_find_area_poly	(	struct line_pnts *	Points,
		double *	totalarea
	)

Definition at line 93 of file diglib/poly.c.

References y.

Referenced by Vect_build_line_area().

int dig_get_poly_points	(	int	n_lines,
		struct line_pnts **	LPoints,
		int *	direction,
		struct line_pnts *	BPoints
	)

Definition at line 34 of file diglib/poly.c.

References dig_alloc_points(), point, and triple::x.