merge.c File Reference

Vedit library - merge lines. More...

#include <grass/vedit.h>

Include dependency graph for merge.c:

Go to the source code of this file.

Functions
int	Vedit_merge_lines (struct Map_info *Map, struct ilist *List)
	Merge lines/boundaries.

Detailed Description

Vedit library - merge lines.

(C) 2006-2008 by the GRASS Development Team

This program is free software under the GNU General Public License (>=v2). Read the file COPYING that comes with GRASS for details.

Author

Jachym Cepicky <jachym.cepicky gmail.com>

Martin Landa <landa.martin gmail.com>

Definition in file merge.c.

Function Documentation

Vedit_merge_lines()

int Vedit_merge_lines	(	struct Map_info *	Map,
		struct ilist *	List
	)

Merge lines/boundaries.

At least two lines need to be given.

Parameters

Map	pointer to Map_info
List	list of selected lines

Returns

number of merged lines

-1 on error

Definition at line 47 of file merge.c.

References Cats2, G_debug(), G_ilist_add(), GV_LINES, line_pnts::n_points, NULL, Vect_append_point(), Vect_delete_line(), Vect_destroy_cats_struct(), Vect_destroy_line_struct(), Vect_destroy_list(), Vect_find_line_list(), Vect_get_num_lines(), Vect_line_alive(), Vect_line_prune(), Vect_new_cats_struct(), Vect_new_line_struct(), Vect_new_list(), Vect_read_line(), Vect_reset_line(), Vect_reset_list(), Vect_rewrite_line(), and Vect_val_in_list().