#include <stdlib.h>
#include <grass/gis.h>
#include <grass/dbmi.h>
#include <grass/Vect.h>
Go to the source code of this file.
Functions | |
VARRAY * | Vect_new_varray (int size) |
Create new VARRAY and allocate space for given number of items. Space allocated is 'size + 1' so that lines are accessed by line id. Array values are set to 0. Returns : pointer to new VARRAY NULL if failed. | |
int | Vect_set_varray_from_cat_string (struct Map_info *Map, int field, char *cstring, int type, int value, VARRAY *varray) |
Set values in 'varray' to 'value' if category of object of given type is in 'cstring' (string representing category list like: '1,3,5-7'). 'type' may be either: GV_AREA or: GV_POINT | GV_LINE | GV_BOUNDARY | GV_CENTROID. | |
int | Vect_set_varray_from_cat_list (struct Map_info *Map, int field, struct cat_list *clist, int type, int value, VARRAY *varray) |
Set values in 'varray' to 'value' if category of object of given type is in 'clist' (category list). 'type' may be either: GV_AREA or: GV_POINT | GV_LINE | GV_BOUNDARY | GV_CENTROID. | |
int | Vect_set_varray_from_db (struct Map_info *Map, int field, char *where, int type, int value, VARRAY *varray) |
Set values in 'varray' to 'value' if category of object of given type is in categories selected from DB based on where statement (given without where). 'type' may be either: GV_AREA or: GV_POINT | GV_LINE | GV_BOUNDARY | GV_CENTROID. |
VARRAY * Vect_new_varray | ( | int | size | ) |
int Vect_set_varray_from_cat_list | ( | struct Map_info * | Map, | |
int | field, | |||
struct cat_list * | clist, | |||
int | type, | |||
int | value, | |||
VARRAY * | varray | |||
) |
Set values in 'varray' to 'value' if category of object of given type is in 'clist' (category list). 'type' may be either: GV_AREA or: GV_POINT | GV_LINE | GV_BOUNDARY | GV_CENTROID.
Array is not reset to zero before, but old values (if any > 0) are overwritten.
Return: number of items set -1 on error
Definition at line 107 of file array.c.
References Vect_cat_get(), Vect_cat_in_cat_list(), Vect_destroy_cats_struct(), Vect_get_area_centroid(), Vect_get_num_areas(), Vect_get_num_lines(), Vect_new_cats_struct(), and Vect_read_line().
Referenced by Vect_set_varray_from_cat_string().
int Vect_set_varray_from_cat_string | ( | struct Map_info * | Map, | |
int | field, | |||
char * | cstring, | |||
int | type, | |||
int | value, | |||
VARRAY * | varray | |||
) |
Set values in 'varray' to 'value' if category of object of given type is in 'cstring' (string representing category list like: '1,3,5-7'). 'type' may be either: GV_AREA or: GV_POINT | GV_LINE | GV_BOUNDARY | GV_CENTROID.
Array is not reset to zero before, but old values (if any > 0) are overwritten.
Return: number of items set -1 on error
Definition at line 70 of file array.c.
References Vect_destroy_cat_list(), Vect_new_cat_list(), Vect_set_varray_from_cat_list(), and Vect_str_to_cat_list().
int Vect_set_varray_from_db | ( | struct Map_info * | Map, | |
int | field, | |||
char * | where, | |||
int | type, | |||
int | value, | |||
VARRAY * | varray | |||
) |
Set values in 'varray' to 'value' if category of object of given type is in categories selected from DB based on where statement (given without where). 'type' may be either: GV_AREA or: GV_POINT | GV_LINE | GV_BOUNDARY | GV_CENTROID.
Array is not reset to zero before, but old values (if any > 0) are overwritten.
Return: number of items set -1 on error
Definition at line 210 of file array.c.
References Vect_destroy_cats_struct(), Vect_get_area_centroid(), Vect_get_field(), Vect_get_num_areas(), Vect_get_num_lines(), Vect_new_cats_struct(), and Vect_read_line().