GRASS 8 Programmer's Manual 8.6.0dev(2026)-f6f2c534ea
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sigsetfile.c
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1/*!
2 \file lib/imagery/sigsetfile.c
3
4 \brief Imagery Library - Signature file functions (statistics for i.smap)
5
6 (C) 2001-2011, 2013, 2021 by the GRASS Development Team
7
8 This program is free software under the GNU General Public License
9 (>=v2). Read the file COPYING that comes with GRASS for details.
10
11 \author USA CERL
12 */
13
14#include <string.h>
15
16#include <grass/gis.h>
17#include <grass/imagery.h>
18#include <grass/glocale.h>
19
20/*!
21 \brief Create new sigset file
22
23 \param name name of sigset file
24
25 \return pointer to FILE
26 \return NULL on error
27 */
29{
30 char dir[GNAME_MAX];
31 FILE *fd;
32
33 /* create sig directory */
35
37 fd = G_fopen_new_misc(dir, "sig", name);
38
39 return fd;
40}
41
42/*!
43 \brief Open existing sigset signature file
44
45 \param name name of signature file (may be fully qualified)
46
47 \return pointer to FILE*
48 \return NULL on error
49 */
51{
53 char dir[GNAME_MAX];
54 FILE *fd;
55
58
60 fd = G_fopen_old_misc(dir, "sig", sig_name, sig_mapset);
61
62 return fd;
63}
#define NULL
Definition ccmath.h:32
int G_unqualified_name(const char *, const char *, char *, char *)
Returns unqualified map name (without @ mapset)
Definition nme_in_mps.c:134
FILE * G_fopen_old_misc(const char *, const char *, const char *, const char *)
open a database misc file for reading
Definition open_misc.c:210
FILE * G_fopen_new_misc(const char *, const char *, const char *)
open a new database misc file
Definition open_misc.c:183
const char * G_mapset(void)
Get current mapset name.
Definition gis/mapset.c:33
void I_make_signatures_dir(I_SIGFILE_TYPE)
Make signature dir.
void I_get_signatures_dir(char *, I_SIGFILE_TYPE)
Get signature directory.
#define GMAPSET_MAX
Definition gis.h:197
#define GNAME_MAX
Definition gis.h:196
@ I_SIGFILE_TYPE_SIGSET
Definition imagery.h:195
const char * name
Definition named_colr.c:6
#define strcpy
Definition parson.c:66
FILE * I_fopen_sigset_file_new(const char *name)
Create new sigset file.
Definition sigsetfile.c:28
FILE * I_fopen_sigset_file_old(const char *name)
Open existing sigset signature file.
Definition sigsetfile.c:50