tee-ck / go-geoutil

geoutil provides utility functions for working with geographic

go-geoutil

A Go library for geolocation utilities. It provides a set of functions to measure distances.

Installation

go get github.com/tee-ck/geoutil

Usage

package main

import (
	"fmt"
	"github.com/tee-ck/geoutil"
)

func main() {
	p1 := geoutil.NewPoint(3.096249444382203, 101.53713780926184)
	p2 := geoutil.NewPoint(1.3361333233860981, 103.83548216216576)
	
	fmt.Println(p1.DistanceTo(p2)) // 321.74 meters
}

Benchmarks

cheekuan@linux:go-geoutil$ go test -bench . -run ^Bench -benchtime 10000000x -benchmem
goos: linux
goarch: amd64
pkg: github.com/tee-ck/go-geoutil
cpu: 12th Gen Intel(R) Core(TM) i5-12600K
BenchmarkGetDistance-16                 10000000                36.88 ns/op            0 B/op          0 allocs/op
BenchmarkFastGetDistance-16             10000000                 6.897 ns/op           0 B/op          0 allocs/op
BenchmarkGetDistanceHaversine-16        10000000                36.40 ns/op            0 B/op          0 allocs/op
BenchmarkGetBoundary-16                 10000000                18.00 ns/op           32 B/op          1 allocs/op
BenchmarkGeoHashEncode8-16              10000000                43.01 ns/op            8 B/op          1 allocs/op
BenchmarkGeoHashDecode8-16              10000000               124.2 ns/op            16 B/op          1 allocs/op
BenchmarkGeoHashEncode12-16             10000000                65.02 ns/op           16 B/op          1 allocs/op
BenchmarkGeoHashDecode12-16             10000000               180.8 ns/op            16 B/op          1 allocs/op
BenchmarkGeoHashEncode22-16             10000000               108.5 ns/op            24 B/op          1 allocs/op
BenchmarkGeoHashDecode22-16             10000000               332.9 ns/op            16 B/op          1 allocs/op
PASS
ok      github.com/tee-ck/go-geoutil    9.537s