angle.c File Reference

#include <stdio.h>
#include <math.h>
#include <grass/vector.h>

Include dependency graph for angle.c:

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Functions
float	dig_calc_begin_angle (const struct line_pnts *points, double thresh)
float	dig_calc_end_angle (const struct line_pnts *points, double thresh)
int	dig_is_line_degenerate (const struct line_pnts *points, double thresh)
int	dig_line_degenerate (const struct line_pnts *points)

Function Documentation

dig_calc_begin_angle()

float dig_calc_begin_angle	(	const struct line_pnts *	points,
		double	thresh
	)

Definition at line 31 of file angle.c.

References dig_line_degenerate(), line_pnts::n_points, line_pnts::x, and line_pnts::y.

Referenced by dig_node_add_line().

dig_calc_end_angle()

float dig_calc_end_angle	(	const struct line_pnts *	points,
		double	thresh
	)

Definition at line 83 of file angle.c.

References dig_line_degenerate(), line_pnts::n_points, line_pnts::x, and line_pnts::y.

Referenced by dig_node_add_line().

dig_is_line_degenerate()

int dig_is_line_degenerate	(	const struct line_pnts *	points,
		double	thresh
	)

Definition at line 135 of file angle.c.

References line_pnts::n_points, line_pnts::x, and line_pnts::y.

dig_line_degenerate()

int dig_line_degenerate

(

const struct line_pnts *

points

)

Definition at line 179 of file angle.c.

References G_debug(), line_pnts::n_points, line_pnts::x, and line_pnts::y.

Referenced by dig_calc_begin_angle(), dig_calc_end_angle(), Vect_line_intersection(), and Vect_line_intersection2().