ngopher
/ HaversinFormula.go
Created
December 16, 2017 13:45
— forked from cdipaolo/HaversinFormula.go
Golang functions to calculate the distance in meters between long,lat points on Earth.
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| // haversin(θ) function | |
| func hsin(theta float64) float64 { | |
| return math.Pow(math.Sin(theta/2), 2) | |
| } | |
| // Distance function returns the distance (in meters) between two points of | |
| // a given longitude and latitude relatively accurately (using a spherical | |
| // approximation of the Earth) through the Haversin Distance Formula for | |
| // great arc distance on a sphere with accuracy for small distances | |
| // |