proj1.c File Reference
GIS Library - Projection support (window related) More...
#include <grass/gis.h>
Include dependency graph for proj1.c:
Go to the source code of this file.
Functions | |
| int | G_projection (void) |
| Query cartographic projection. More... | |
Detailed Description
GIS Library - Projection support (window related)
(C) 2001-2011 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 proj1.c.
Function Documentation
◆ G_projection()
| int G_projection | ( | void | ) |
Query cartographic projection.
This routine returns a code indicating the projection for the active region. The current values are (see gis.h)
- PROJECTION_XY 0 - x,y (Raw imagery)
- PROJECTION_UTM 1 - UTM Universal Transverse Mercator
- PROJECTION_SP 2 - State Plane (in feet) - not used, removed
- PROJECTION_LL 3 - Latitude-Longitude
- PROJECTION_OTHER 99 - others
Others may be added in the future.
- Returns
- projection code (see above)
Definition at line 32 of file proj1.c.
Referenced by G_database_projection_name(), G_database_unit(), G_get_projepsg(), G_get_projinfo(), G_get_projunits(), G_shortest_way(), and Rast__check_for_auto_masking().
