GRASS GIS 8 Programmer's Manual
8.4.0dev(2024)112dd97adf

GIS Library  Shortest path functions. More...
#include <grass/gis.h>
Go to the source code of this file.
Functions  
void  G_shortest_way (double *east1, double *east2) 
Shortest way between two eastings. More...  
GIS Library  Shortest path functions.
(C) 20012009 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 short_way.c.
void G_shortest_way  (  double *  east1, 
double *  east2  
) 
Shortest way between two eastings.
For latlon projection (PROJECTION_LL
), east1, east2 are changed so that they are no more than 180 degrees apart. Their true locations are not changed. For all other projections, this function does nothing.
[in,out]  east1  east (x) coordinate of first point 
[in,out]  east2  east (x) coordinate of second point 
Definition at line 28 of file short_way.c.
References G_projection(), and PROJECTION_LL.