GRASS GIS 7 Programmer's Manual
7.9.dev(2021)-e5379bbd7
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Vector library - Copy vector features and attribute tables linked to the map. More...
#include <grass/vector.h>
#include <grass/glocale.h>
#include "local_proto.h"
#include "pg_local_proto.h"
Go to the source code of this file.
Macros | |
#define | TOPO_NONE -1 |
Copy topological elements. More... | |
#define | TOPO_NATIVE 1 |
#define | TOPO_POSTGIS 2 |
Functions | |
int | Vect_copy_map_lines (struct Map_info *In, struct Map_info *Out) |
Copy all alive vector features from input vector map to output vector map. More... | |
int | Vect_copy_map_lines_field (struct Map_info *In, int field, struct Map_info *Out) |
Copy all alive vector features from given layer from input vector map to output vector map. More... | |
int | Vect__copy_areas (const struct Map_info *In, int field, struct Map_info *Out) |
Copy areas as polygons (OGR/PostGIS simple features access only) More... | |
int | Vect_copy_tables (const struct Map_info *In, struct Map_info *Out, int field) |
Copy attribute tables linked to vector map. More... | |
int | Vect_copy_table (const struct Map_info *In, struct Map_info *Out, int field_in, int field_out, const char *field_name, int type) |
Copy attribute table linked to vector map based on type. More... | |
int | Vect_copy_table_by_cat_list (const struct Map_info *In, struct Map_info *Out, int field_in, int field_out, const char *field_name, int type, const struct cat_list *cat_list) |
Copy attribute table linked to vector map based on category list. More... | |
int | Vect_copy_table_by_cats (const struct Map_info *In, struct Map_info *Out, int field_in, int field_out, const char *field_name, int type, int *cats, int ncats) |
Copy attribute table linked to vector map based on category numbers. More... | |
Vector library - Copy vector features and attribute tables linked to the map.
Higher level functions for reading/writing/manipulating vectors.
(C) 2001-2009, 2012-2013 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.
Definition in file vector/Vlib/copy.c.
#define TOPO_NATIVE 1 |
Definition at line 31 of file vector/Vlib/copy.c.
#define TOPO_NONE -1 |
Copy topological elements.
Definition at line 30 of file vector/Vlib/copy.c.
#define TOPO_POSTGIS 2 |
Definition at line 32 of file vector/Vlib/copy.c.
Copy areas as polygons (OGR/PostGIS simple features access only)
In | input vector map |
field | layer number (-1 for all layers) |
Out | output vector map |
Definition at line 486 of file vector/Vlib/copy.c.
Copy all alive vector features from input vector map to output vector map.
In | input vector map | |
[out] | Out | output vector map |
Definition at line 57 of file vector/Vlib/copy.c.
References Vect_copy_map_lines_field().
Copy all alive vector features from given layer from input vector map to output vector map.
Note: Try to copy on level 2 otherwise level 1 is used.
In | input vector map | |
field | layer number (-1 for all layers) | |
[out] | Out | output vector map |
Definition at line 75 of file vector/Vlib/copy.c.
Referenced by Vect_close(), and Vect_copy_map_lines().
int Vect_copy_table | ( | const struct Map_info * | In, |
struct Map_info * | Out, | ||
int | field_in, | ||
int | field_out, | ||
const char * | field_name, | ||
int | type | ||
) |
Copy attribute table linked to vector map based on type.
In | input vector map | |
[out] | Out | output vector map |
field_in | input layer number | |
field_out | output layer number | |
field_name | layer name (can be NULL) | |
type | how many tables are linked to map: GV_1TABLE / GV_MTABLE |
Definition at line 652 of file vector/Vlib/copy.c.
int Vect_copy_table_by_cat_list | ( | const struct Map_info * | In, |
struct Map_info * | Out, | ||
int | field_in, | ||
int | field_out, | ||
const char * | field_name, | ||
int | type, | ||
const struct cat_list * | cat_list | ||
) |
Copy attribute table linked to vector map based on category list.
If cat_list is NULL, then Vect_copy_table() is called.
In | input vector map | |
[out] | Out | output vector map |
field_in | input layer number | |
field_out | output layer number | |
field_name | layer name (can be NULL) | |
type | how many tables are linked to map: GV_1TABLE / GV_MTABLE | |
cat_list | pointer to cat_list struct (can be NULL) |
Definition at line 676 of file vector/Vlib/copy.c.
int Vect_copy_table_by_cats | ( | const struct Map_info * | In, |
struct Map_info * | Out, | ||
int | field_in, | ||
int | field_out, | ||
const char * | field_name, | ||
int | type, | ||
int * | cats, | ||
int | ncats | ||
) |
Copy attribute table linked to vector map based on category numbers.
In | input vector map | |
[out] | Out | output vector map |
field_in | input layer number | |
field_out | output layer number | |
field_name | layer name (can be NULL) | |
type | how many tables are linked to map: GV_1TABLE / GV_MTABLE | |
cats | pointer to array of cats or NULL | |
ncats | number of cats in 'cats' |
Definition at line 716 of file vector/Vlib/copy.c.
Copy attribute tables linked to vector map.
Copy all attribute tables linked to the vector map if field is 0, or selected attribute table defined by given field if field > 0.
Notice, that if input vector map has no tables defined, it will copy nothing and return 0 (success).
In | input vector map | |
[out] | Out | output vector map |
field | layer number (0 for all tables linked to the vector map) |
Definition at line 603 of file vector/Vlib/copy.c.