break_lines.c File Reference

#include <stdlib.h>
#include "gis.h"
#include "Vect.h"

Include dependency graph for break_lines.c:

Go to the source code of this file.

Functions
void	Vect_break_lines (struct Map_info *Map, int type, struct Map_info *Err, FILE *msgout)
	Break lines in vector map.

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Function Documentation

void Vect_break_lines	(	struct Map_info *	Map,
		int	type,
		struct Map_info *	Err,
		FILE *	msgout
	)

Break lines in vector map.

Breaks lines specified by type in vector map. Points at intersections may be optionaly written to error map. Input map must be opened on level 2 for update at least on GV_BUILD_BASE.

The function also breaks lines forming collapsed loop, for example 0,0;1,0;0,0 is broken at 1,0.

Parameters:

	Map	input map where lines will be broken
	type	type of line to be broken
	Err	vector map where points at intersections will be written or NULL
	msgout	file pointer where messages will be written or NULL

Returns:

Definition at line 37 of file break_lines.c.

References Vect_append_point(), Vect_delete_line(), Vect_destroy_line_struct(), Vect_destroy_list(), Vect_get_line_box(), Vect_get_line_nodes(), Vect_get_node_coor(), Vect_get_num_lines(), Vect_is_3d(), Vect_line_alive(), Vect_line_intersection(), Vect_line_prune(), Vect_new_cats_struct(), Vect_new_line_struct(), Vect_new_list(), Vect_read_line(), Vect_reset_line(), Vect_select_lines_by_box(), and Vect_write_line().

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