vector/vedit/delete.c File Reference

Vedit library - delete vector features. More...

#include <stdlib.h>
#include <grass/vedit.h>
#include <grass/dbmi.h>
#include <grass/glocale.h>

Include dependency graph for vector/vedit/delete.c:

Go to the source code of this file.

Functions
int	Vedit_delete_lines (struct Map_info *Map, struct ilist *List)
	Delete selected features. More...
int	Vedit_delete_area_centroid (struct Map_info *Map, int centroid)
	Delete area (centroid and set of boundaries) by centroid. More...
int	Vedit_delete_area (struct Map_info *Map, int area)
	Delete area (centroid + set of boundaries) by id. More...
int	Vedit_delete_areas_cat (struct Map_info *Map, int field, int cat)
	Delete vector areas of given category. More...

Detailed Description

Vedit library - delete vector features.

(C) 2007-2008, 2012 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 vector/vedit/delete.c.

Function Documentation

Vedit_delete_area()

int Vedit_delete_area	(	struct Map_info *	Map,
		int	area
	)

Delete area (centroid + set of boundaries) by id.

Parameters

Map	pointer to Map_info struct
area	id

Returns

0 no area deleted

1 area deleted

Definition at line 92 of file vector/vedit/delete.c.

Referenced by Vedit_delete_area_centroid(), and Vedit_delete_areas_cat().

Vedit_delete_area_centroid()

int Vedit_delete_area_centroid	(	struct Map_info *	Map,
		int	centroid
	)

Delete area (centroid and set of boundaries) by centroid.

Parameters

Map	pointer to Map_info struct
centroid

Returns

0 no area deleted

1 area deleted

Definition at line 64 of file vector/vedit/delete.c.

References _, G_debug(), G_warning(), Vect_get_centroid_area(), and Vedit_delete_area().

Vedit_delete_areas_cat()

int Vedit_delete_areas_cat	(	struct Map_info *	Map,
		int	field,
		int	cat
	)

Delete vector areas of given category.

Parameters

Map	pointer to Map_info struct
field	layer number
cat	category number

Returns

number of deleted areas

Definition at line 139 of file vector/vedit/delete.c.

References G_debug(), Vect_area_alive(), Vect_get_area_cat(), Vect_get_num_areas(), and Vedit_delete_area().

Vedit_delete_lines()

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

Delete selected features.

Parameters

Map	pointer to Map_info
List	list of features to be deleted

Returns

number of deleted features

-1 on on error

Definition at line 29 of file vector/vedit/delete.c.