GIS Library - Shortest path functions. More...

#include <grass/gis.h>

Include dependency graph for short_way.c:

Functions
void	G_shortest_way (double east1, double east2)
	Shortest way between two eastings. More...

Detailed Description

GIS Library - Shortest path functions.

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 short_way.c.

Function Documentation

◆ G_shortest_way()

void G_shortest_way	(	double *	east1,
		double *	east2
	)

Shortest way between two eastings.

For lat-lon 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.

Parameters

[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.

Functions

Detailed Description

Function Documentation

◆ G_shortest_way()