grass  7.8.6
About: GRASS (Geographic Resources Analysis Support System) is a raster- and vector-based GIS, image processing system, graphics production system and spatial modeling system.
  Fossies Dox: grass-7.8.6.tar.gz  ("unofficial" and yet experimental doxygen-generated source code documentation)  

flip.c File Reference

Vedit library - flip lines. More...

#include <grass/vedit.h>
Include dependency graph for flip.c:

Go to the source code of this file.

Functions

int Vedit_flip_lines (struct Map_info *Map, struct ilist *List)
 Flip direction of selected lines. More...
 

Detailed Description

Vedit library - flip lines.

(C) 2007-2008 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
Martin Landa <landa.martin gmail.com>

Definition in file flip.c.

Function Documentation

◆ Vedit_flip_lines()

int Vedit_flip_lines ( struct Map_info Map,
struct ilist List 
)

Flip direction of selected lines.

Parameters
Mappointer to Map_info
Listlist of selected lines
Returns
number of modified lines
-1 on error

Definition at line 25 of file flip.c.

References G_debug(), GV_LINES, line(), ilist::n_values, Points, type, ilist::value, Vect_destroy_cats_struct(), Vect_destroy_line_struct(), Vect_line_alive(), Vect_line_reverse(), Vect_new_cats_struct(), Vect_new_line_struct(), Vect_read_line(), and Vect_rewrite_line().