GRASS GIS 8 Programmer's Manual 8.2.0(2022)-exported
zone.c
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1/*!
2 * \file lib/gis/zone.c
3 *
4 * \brief GIS Library - Cartographic zone functions.
5 *
6 * This program is free software under the GNU General Public License
7 * (>=v2). Read the file COPYING that comes with GRASS for details.
8 *
9 * \author Original author CERL
10 */
11
12#include <grass/gis.h>
13
14
15/*!
16 * \brief Query cartographic zone.
17 *
18 * This routine returns the zone for the active region. The meaning
19 * for the zone depends on the projection. For example, zone 18 for
20 * projection type 1 would be UTM zone 18.
21 *
22 * \return int cartographic zone
23 */
24
25int G_zone(void)
26{
27 struct Cell_head window;
28
29 G_get_set_window(&window);
30
31 return window.zone;
32}
void G_get_set_window(struct Cell_head *window)
Get the current working window (region)
int G_zone(void)
Query cartographic zone.
Definition: zone.c:25