#include <math.h>
#include <grass/gis.h>
#include <grass/Vect.h>
#include <grass/glocale.h>
Go to the source code of this file.
Data Structures | |
struct | XPNT |
struct | NEW |
Functions | |
int | add_item (int id, struct ilist *list) |
void | Vect_snap_lines_list (struct Map_info *Map, struct ilist *List_lines, double thresh, struct Map_info *Err) |
Snap selected lines to existing vertex in threshold. | |
void | Vect_snap_lines (struct Map_info *Map, int type, double thresh, struct Map_info *Err) |
Snap lines in vector map to existing vertex in threshold. |
int add_item | ( | int | id, | |
struct ilist * | list | |||
) |
Definition at line 44 of file Vlib/snap.c.
References dig_list_add().
Referenced by Vect_snap_lines_list().
void Vect_snap_lines | ( | struct Map_info * | Map, | |
int | type, | |||
double | thresh, | |||
struct Map_info * | Err | |||
) |
Snap lines in vector map to existing vertex in threshold.
For details see Vect_snap_lines_list()
[in] | Map | input map where vertices will be snapped |
[in] | type | type of lines to snap |
[in] | thresh | threshold in which snap vertices |
[out] | Err | vector map where lines representing snap are written or NULL |
Definition at line 417 of file Vlib/snap.c.
References Vect_destroy_list(), Vect_get_num_lines(), Vect_line_alive(), Vect_list_append(), Vect_new_list(), Vect_read_line(), and Vect_snap_lines_list().
void Vect_snap_lines_list | ( | struct Map_info * | Map, | |
struct ilist * | List_lines, | |||
double | thresh, | |||
struct Map_info * | Err | |||
) |
Snap selected lines to existing vertex in threshold.
Snap selected lines to existing vertices.
[in] | Map | input map where vertices will be snapped |
[in] | List_lines | list of lines to snap |
[in] | thresh | threshold in which snap vertices |
[out] | Err | vector map where lines representing snap are written or NULL |
Definition at line 80 of file Vlib/snap.c.
References add_item(), NEW::along, NEW::anchor, XPNT::anchor, Rect::boundary, dig_distance2_point_to_line(), RTreeDestroyNode(), RTreeInsertRect(), RTreeNewIndex(), RTreeSearch(), Vect_append_point(), Vect_delete_line(), Vect_destroy_cats_struct(), Vect_destroy_line_struct(), 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(), Vect_write_line(), XPNT::x, and XPNT::y.
Referenced by Vect_snap_lines().