GRASS GIS 7 Programmer's Manual  7.5.svn(2017)-r71924
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wind_scan.c File Reference

GIS Library - Coordinate scanning functions. More...

#include <stdio.h>
#include <grass/gis.h>
Include dependency graph for wind_scan.c:

Go to the source code of this file.

Functions

int G_scan_northing (const char *buf, double *northing, int projection)
 ASCII northing to double. More...
 
int G_scan_easting (const char *buf, double *easting, int projection)
 ASCII easting to double. More...
 
int G_scan_resolution (const char *buf, double *res, int projection)
 ASCII resolution to double. More...
 

Detailed Description

GIS Library - Coordinate scanning functions.

(C) 2001-2009, 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.

Author
Original author CERL

Definition in file wind_scan.c.

Function Documentation

int G_scan_easting ( const char *  buf,
double *  easting,
int  projection 
)

ASCII easting to double.

Converts the ASCII "easting" coordinate string in buf to its double representation (into easting).

Supported projection codes (see gis.h):

  • PROJECTION_XY
  • PROJECTION_UTM
  • PROJECTION_LL
  • PROJECTION_OTHER
Parameters
bufbuffer containing string easting
[out]eastingeasting
projectionprojection code
Returns
0 on error
1 on success

Definition at line 69 of file wind_scan.c.

References G_lon_scan(), and PROJECTION_LL.

Referenced by G__read_Cell_head_array(), and Vect_read_ascii().

int G_scan_northing ( const char *  buf,
double *  northing,
int  projection 
)

ASCII northing to double.

Converts the ASCII "northing" coordinate string in buf to its double representation (into northing).

Supported projection codes (see gis.h):

  • PROJECTION_XY
  • PROJECTION_UTM
  • PROJECTION_LL
  • PROJECTION_OTHER
Parameters
bufbuffer hold string northing
[out]northingnorthing
projectionprojection code
Returns
0 on error
1 on success

Definition at line 38 of file wind_scan.c.

References G_lat_scan(), and PROJECTION_LL.

Referenced by G__read_Cell_head_array(), and Vect_read_ascii().

int G_scan_resolution ( const char *  buf,
double *  res,
int  projection 
)

ASCII resolution to double.

Converts the ASCII "resolution" string in buf to its double representation (into resolution).

Supported projection codes (see gis.h):

  • PROJECTION_XY
  • PROJECTION_UTM
  • PROJECTION_LL
  • PROJECTION_OTHER
Parameters
bufbuffer containing string resolution
[out]resolutionresolution value
projectionprojection code
Returns
0 on error
1 on success

Definition at line 100 of file wind_scan.c.

References G_llres_scan(), and PROJECTION_LL.

Referenced by G__read_Cell_head_array().