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Functions
int	Vedit_split_lines (struct Map_info , struct ilist , struct line_pnts , double, struct ilist )
	Split selected lines on given position. More...

int	Vedit_connect_lines (struct Map_info , struct ilist , double)
	Connect lines in given threshold. More...

int	Vedit_extend_lines (struct Map_info , struct ilist , int, int, double)
	Extend lines in given threshold. More...

int	Vedit_modify_cats (struct Map_info , struct ilist , int, int, struct cat_list *)
	Add / remove categories. More...

int	Vedit_copy_lines (struct Map_info , struct Map_info , struct ilist *)
	Copy selected primitives. More...

int	Vedit_chtype_lines (struct Map_info , struct ilist )
	Change primitive type. More...

int	Vedit_delete_lines (struct Map_info , struct ilist )
	Delete selected features. More...

int	Vedit_delete_area_centroid (struct Map_info *, int)
	Delete area (centroid and set of boundaries) by centroid. More...

int	Vedit_delete_area (struct Map_info *, int)
	Delete area (centroid + set of boundaries) by id. More...

int	Vedit_delete_areas_cat (struct Map_info *, int, int)
	Delete vector areas of given category. More...

double	Vedit_get_min_distance (struct line_pnts , struct line_pnts , int, int *)
	Calculate distances between two lines. More...

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

int	Vedit_merge_lines (struct Map_info , struct ilist )
	Merge lines/boundaries. More...

int	Vedit_move_lines (struct Map_info , struct Map_info , int, struct ilist , double, double, double, int, double)
	Move selected primitives. More...

struct robject_list *	Vedit_render_map (struct Map_info , struct bound_box , int, double, double, int, int, double)
	Render vector features into list. More...

int	Vedit_select_by_query (struct Map_info , int, int, double, int, struct ilist )

int	Vedit_snap_point (struct Map_info , int, double , double , double , double, int)
	Snap given point to the nearest primitive. More...

int	Vedit_snap_line (struct Map_info , struct Map_info , int, int, struct line_pnts , double, int)
	Snap selected primitive to its nearest primitive. More...

int	Vedit_snap_lines (struct Map_info , struct Map_info , int, struct ilist , double, int)
	Snap lines/boundaries. More...

int	Vedit_move_vertex (struct Map_info , struct Map_info , int, struct ilist , struct line_pnts *, double, double, double, double, double, int, int)
	Move all vertices in bounding box(es) More...

int	Vedit_add_vertex (struct Map_info Map, struct ilist , struct line_pnts *, double)
	Add new vertex to line. More...

int	Vedit_remove_vertex (struct Map_info , struct ilist , struct line_pnts *, double)
	Remove vertex from line. More...

int	Vedit_bulk_labeling (struct Map_info , struct ilist , double, double, double, double, double, double)
	Lines z-bulk labeling. More...

Function Documentation

◆ Vedit_add_vertex()

int Vedit_add_vertex	(	struct Map_info *	Map,
		struct ilist *	List,
		struct line_pnts *	coord,
		double	thresh
	)

Add new vertex to line.

Shape of line is not changed.

Todo:: 3D

Parameters

Map	pointer to Map_info
List	list of lines
coord	points location
thresh	find line in given threshold

Returns: number of add vertices; -1 on error

Definition at line 189 of file vertex.c.

◆ Vedit_bulk_labeling()

int Vedit_bulk_labeling	(	struct Map_info *	Map,
		struct ilist *	List,
		double	x1,
		double	y1,
		double	x2,
		double	y2,
		double	start,
		double	step
	)

Lines z-bulk labeling.

Automated labeling (z coordinate assignment) of vector lines (iso-lines).

Parameters

Map	pointer to Map_info
List	list of selected lines
point_start_end	staring and ending point
start	starting value
step	step value

Returns: number of modified features; -1 on error

Definition at line 32 of file zbulk.c.

◆ Vedit_chtype_lines()

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

Change primitive type.

Supported conversions:

point <-> centroid
line <-> boundary

Parameters

Map	pointer to Map_info
List	list of selected primitives

Returns: number of modified primitives; -1 on error

Definition at line 29 of file chtype.c.

◆ Vedit_connect_lines()

int Vedit_connect_lines	(	struct Map_info *	Map,
		struct ilist *	List,
		double	thresh
	)

Connect lines in given threshold.

\                 \
id1   \           ->       \
\
id2 ---------           -----+---

If two lines are selected and thresh is -1, no limit is applied.

Parameters

Map	pointer to Map_info
List	list of selected lines
thresh	threshold value

Returns: number of modified lines; -1 on error

Definition at line 158 of file break.c.

◆ Vedit_copy_lines()

int Vedit_copy_lines	(	struct Map_info *	Map,
		struct Map_info *	FromMap,
		struct ilist *	List
	)

Copy selected primitives.

Parameters

Map	pointer to Map_info copy to
FromMap	vector map copy from (if not given use Map)
List	list of selected primitives (to be copied)

Returns: number of copied primitives; -1 on error

Definition at line 27 of file vector/vedit/copy.c.

◆ 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.

◆ Vedit_extend_lines()

int Vedit_extend_lines	(	struct Map_info *	Map,
		struct ilist *	List,
		int	nodes,
		int	parallel,
		double	thresh
	)

Extend lines in given threshold.

1. Extend first line only
\                      \
id1   \             ->       \
\
id2 ----------            -----+----
 
 
2. Extend both lines
\                      \
id1   \             ->       \
\
id2        ---                 +----
 
 
3. Extend first line when both are on the same line
id1 ---    --- id2  ->    -----+----
 
 
4. Connect two parallel lines (parallel=1)
id1 ------                -------
->         /
id2     ------                +-----
 
 
5. Don't connect two parallel lines (parallel=0)
id1 ------                ------
->
id2     ------                ------

Parameters

Map	pointer to Map_info
List	list of selected lines
nodes	1 for start node, 2 for end node, other for both
parallel	connect parallel lines
thresh	threshold value

Returns: number of modified lines

Definition at line 68 of file extend.c.

References ilist::n_values, and Vect_new_list().

◆ Vedit_flip_lines()

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

Flip direction of selected lines.

Parameters

Map	pointer to Map_info
List	list of selected lines

Returns: number of modified lines; -1 on error

Definition at line 25 of file flip.c.

◆ Vedit_get_min_distance()

double Vedit_get_min_distance	(	struct line_pnts *	Points1,
		struct line_pnts *	Points2,
		int	with_z,
		int *	mindistidx
	)

Calculate distances between two lines.

Todo:: LL projection

Parameters

	Points1	first line geometry
	Points2	second line geometry
	with_z	WITH_Z for 3D data
[out]	mindistidx	index of minimal distance

Returns: minimal distance between two lines (their nodes)

Definition at line 28 of file vector/vedit/distance.c.

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

◆ 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.

◆ Vedit_modify_cats()

int Vedit_modify_cats	(	struct Map_info *	Map,
		struct ilist *	List,
		int	layer,
		int	del,
		struct cat_list *	Clist
	)

Add / remove categories.

Parameters

Map	pointer to Map_info
List	list of selected primitives
layer	layer number
del	action (non-zero for delete otherwise add)
Clist	list of category numbers

Returns: number of modified primitives; -1 on error

Definition at line 30 of file vector/vedit/cats.c.

◆ Vedit_move_lines()

int Vedit_move_lines	(	struct Map_info *	Map,
		struct Map_info **	BgMap,
		int	nbgmaps,
		struct ilist *	List,
		double	move_x,
		double	move_y,
		double	move_z,
		int	snap,
		double	thresh
	)

Move selected primitives.

Parameters

Map	pointer to Map_info
BgMap,nbgmaps	list of background vector maps used for snapping
List	list of primitives to be moved
move_x,move_y,move_z	direction (move_z used only if map is 3D)
snap	enable snapping (see globals.h)

Returns: number of modified primitives; -1 on error

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

◆ Vedit_move_vertex()

int Vedit_move_vertex	(	struct Map_info *	Map,
		struct Map_info **	BgMap,
		int	nbgmaps,
		struct ilist *	List,
		struct line_pnts *	coord,
		double	thresh_coords,
		double	thresh_snap,
		double	move_x,
		double	move_y,
		double	move_z,
		int	move_first,
		int	snap
	)

Move all vertices in bounding box(es)

Parameters

Map	pointer to Map_info
BgMap,nbgmaps	list of background vector maps for snapping
List	list of selected lines
coord	points location
thresh_coords	threshold value for selecting lines
thresh_snap	threshold value used for snapping
move_x,move_y,move_z	direction (move_z is used when map is 3D)
move_first	move only first vertex found in the bounding box
snap	snapping mode (see vedit.h)

Returns: number of moved vertices; -1 on error

Definition at line 33 of file vertex.c.

◆ Vedit_remove_vertex()

int Vedit_remove_vertex	(	struct Map_info *	Map,
		struct ilist *	List,
		struct line_pnts *	coord,
		double	thresh
	)

Remove vertex from line.

Todo:: 3D

Parameters

Map	pointer to Map_info
List	list of selected lines
coord	points location
thresh	threshold value to find a line

Returns: number of removed vertices; -1 on error

Definition at line 276 of file vertex.c.

◆ Vedit_render_map()

struct robject_list* Vedit_render_map	(	struct Map_info *	Map,
		struct bound_box *	box,
		int	draw_flag,
		double	center_easting,
		double	center_northing,
		int	map_width,
		int	map_height,
		double	map_res
	)

Render vector features into list.

Parameters

Map	pointer to Map_info structure
box	bounding box of region to be rendered
draw_flag	types of objects to be rendered (see vedit.h)
center_easing,center_northing,map_width,map_height,map_res	values used for conversion en->xy

Returns: pointer to robject_list structure

Definition at line 59 of file vector/vedit/render.c.

References list.

◆ Vedit_select_by_query()

int Vedit_select_by_query	(	struct Map_info *	,
		int	,
		int	,
		double	,
		int	,
		struct ilist *
	)

◆ Vedit_snap_line()

int Vedit_snap_line	(	struct Map_info *	Map,
		struct Map_info **	BgMap,
		int	nbgmaps,
		int	line,
		struct line_pnts *	Points,
		double	thresh,
		int	to_vertex
	)

Snap selected primitive to its nearest primitive.

Parameters

Map	pointer to Map_info
BgMap,nbgmaps	list of background maps used for snapping
line	line id to be snapped (if already written, otherwise -1)
Points	line geometry
layer	layer number
thresh	threshold value used for snapping (>0)
to_vertex	allow snapping also to vertex

Returns: 1 line snapped; 0 line not snapped; -1 line is dead (if 'line' is > 0)

Definition at line 97 of file vedit/snap.c.

◆ Vedit_snap_lines()

int Vedit_snap_lines	(	struct Map_info *	Map,
		struct Map_info **	BgMap,
		int	nbgmaps,
		struct ilist *	List,
		double	thresh,
		int	to_vertex
	)

Snap lines/boundaries.

Parameters

Map	pointer to Map_info
BgMap,nbgmaps	list of background maps used for snapping
List	list of lines to be snapped
layer	layer number
thresh	threshold value used for snapping (>0)
to_vertex	allow snapping also to vertex

Returns: number of snapped lines; -1 on error

Definition at line 170 of file vedit/snap.c.

◆ Vedit_snap_point()

int Vedit_snap_point	(	struct Map_info *	Map,
		int	line,
		double *	x,
		double *	y,
		double *	z,
		double	thresh,
		int	vertex
	)

Snap given point to the nearest primitive.

Parameters

Map	pointer to Map_info
line	line to be excluded (point on line)
x,y,z	point on line to be snapped
thresh	snapping threshold (>0)
vertex	snap also to vertex (non-zero)

Returns: 1 snapped; 0 not snapped

Definition at line 28 of file vedit/snap.c.

◆ Vedit_split_lines()

int Vedit_split_lines	(	struct Map_info *	Map,
		struct ilist *	List,
		struct line_pnts *	coord,
		double	thresh,
		struct ilist *	List_updated
	)

Split selected lines on given position.

Parameters

	Map	pointer to Map_info
	List	list of selected lines
	coord	points location
	thresh	threshold
[out]	List_updated	list of rewritten features (or NULL)

Returns: number of modified lines; -1 on error

Definition at line 32 of file break.c.

References l.

Functions

Function Documentation

◆ Vedit_add_vertex()

◆ Vedit_bulk_labeling()

◆ Vedit_chtype_lines()

◆ Vedit_connect_lines()

◆ Vedit_copy_lines()

◆ Vedit_delete_area()

◆ Vedit_delete_area_centroid()

◆ Vedit_delete_areas_cat()

◆ Vedit_delete_lines()

◆ Vedit_extend_lines()

◆ Vedit_flip_lines()

◆ Vedit_get_min_distance()

◆ Vedit_merge_lines()

◆ Vedit_modify_cats()

◆ Vedit_move_lines()

◆ Vedit_move_vertex()

◆ Vedit_remove_vertex()

◆ Vedit_render_map()

◆ Vedit_select_by_query()

◆ Vedit_snap_line()

◆ Vedit_snap_lines()

◆ Vedit_snap_point()

◆ Vedit_split_lines()