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6.4.3(2013)-r
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raster_metadata.c
Go to the documentation of this file.
1
/* raster_metadata.c
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*
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* PURPOSE: functions to read and write raster "units" and "vertical datum"
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* meta-data info
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*
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* Copyright (C) 2007 by Hamish Bowman, and the GRASS Development Team
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* Author(s): Hamish Bowman, Dunedin, New Zealand
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*
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* This program is free software under the GNU General Public
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* License (>=v2). Read the file COPYING that comes with GRASS
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* for details.
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*/
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#include <stdio.h>
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#include <string.h>
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#include <grass/gis.h>
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#include <grass/glocale.h>
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int
G_read_raster_units
(
const
char
*
name
,
const
char
*mapset,
char
*str)
31
{
32
return
G__raster_misc_read_line
(
"units"
, name, mapset, str);
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}
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35
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int
G_write_raster_units
(
const
char
*
name
,
const
char
*str)
47
{
48
return
G__raster_misc_write_line
(
"units"
, name, str);
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}
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63
int
G_read_raster_vdatum
(
const
char
*
name
,
const
char
*mapset,
char
*str)
64
{
65
return
G__raster_misc_read_line
(
"vertical_datum"
, name, mapset, str);
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}
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68
79
int
G_write_raster_vdatum
(
const
char
*
name
,
const
char
*str)
80
{
81
return
G__raster_misc_write_line
(
"vertical_datum"
, name, str);
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}
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85
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int
G__raster_misc_read_line
(
const
char
*elem,
const
char
*
name
,
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const
char
*mapset,
char
*str)
100
{
101
FILE *fd;
102
char
buff[GNAME_MAX];
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buff[0] =
'\0'
;
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if
(
G_find_file2_misc
(
"cell_misc"
, elem, name, mapset) ==
NULL
)
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return
-1;
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fd =
G_fopen_old_misc
(
"cell_misc"
, elem, name, mapset);
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if
(!fd) {
111
G_warning
(_(
"Can't read %s for [%s in %s]"
), elem, name, mapset);
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return
-1;
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}
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if
(
G_getl2
(buff,
sizeof
(buff) - 1, fd) == 0) {
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/* file is empty */
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return
fclose(fd);
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}
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strcpy(str, buff);
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return
fclose(fd);
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}
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124
137
int
G__raster_misc_write_line
(
const
char
*elem,
const
char
*
name
,
138
const
char
*str)
139
{
140
FILE *fd;
141
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fd =
G_fopen_new_misc
(
"cell_misc"
, elem, name);
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if
(fd ==
NULL
) {
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G_warning
(_(
"Can't create %s metadata file for [%s in %s]"
),
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elem, name,
G_mapset
());
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return
-1;
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}
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fprintf(fd,
"%s"
, str);
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return
fclose(fd);
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}
lib
gis
raster_metadata.c
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