C Library Functions - geographical_distance (3)
NAME
geographical_distance - [M_geography] Compute the distance between two points over the Earth’s surface. (LICENSE:GPL3)
CONTENTS
Synopsis
Description
Parameters
Author
SYNOPSIS
doubleprecision function geographical_distance (ll1, bb1, ll2, bb2, miles)
doubleprecision,intent(in) :: ll1 doubleprecision,intent(in) :: bb1 doubleprecision,intent(in) :: ll2 doubleprecision,intent(in) :: bb2 logical,intent(in) :: miles)
DESCRIPTION
Compute the distance in miles or kilometers between two points on the Earth’s surface, given the latitude and longitude of the two locations in degrees.
PARAMETERS
ll1 Longitude of first location (degrees) bb1 Latitude of first location (degrees) ll2 Longitude of second location (degrees) bb2 Latitude of second location (degrees) miles Return result in miles (T) or km (F) Definition at line 41 of file earth.f90.References SUFR_constants::d2r, SUFR_kinds::double, and SUFR_constants::earthr.
AUTHOR
geographical_distance(3f) was originally written by AstroFloyd (http://astrofloyd.org) (Sat Apr 1 2017)as part of the libSUFR package, see: http://libsufr.sourceforge.net/Copyright (c) 2002-2017 AstroFloyd - astrofloyd.org
This is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
This software is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License along with this code. If not, see <http://www.gnu.org/licenses/>.
| Nemo Release 3.1 | geographical_distance (3) | February 23, 2025 |
