coordtransform
提供百度坐标系(bd-09)、火星坐标系(国测局坐标系、gcj02)、WGS84坐标系的相互转换，基于 Go 语言，无特殊依赖。
python版本：https://github.com/wandergis/coordTransform_py
命令行版本(支持模块或在命令行直接转换geojson数据)：https://github.com/wandergis/coordtransform-cli
js版本：https://github.com/wandergis/coordtransform
Features
Installation
go get github.com/qichengzx/coordtransformQuick Start
package main
import(
"fmt"
"github.com/qichengzx/coordtransform"
)
func main() {
fmt.Println(coordtransform.BD09toGCJ02(116.404, 39.915))
fmt.Println(coordtransform.GCJ02toBD09(116.404, 39.915))
fmt.Println(coordtransform.WGS84toGCJ02(116.404, 39.915))
fmt.Println(coordtransform.GCJ02toWGS84(116.404, 39.915))
fmt.Println(coordtransform.BD09toWGS84(116.404, 39.915))
fmt.Println(coordtransform.WGS84toBD09(116.404, 39.915))
}Benchmarks
Run on MacBook Pro (13-inch, Early 2015) Go version go1.10 darwin/amd64
goos: darwin
goarch: amd64
pkg: coordtransform
BenchmarkBD09toGCJ02-4 20000000 84.0 ns/op
BenchmarkGCJ02toBD09-4 20000000 91.8 ns/op
BenchmarkWGS84toBD09-4 5000000 398 ns/op
BenchmarkGCJ02toWGS84-4 10000000 252 ns/op
BenchmarkBD09toWGS84-4 5000000 352 ns/op
BenchmarkWGS84toGCJ02-4 5000000 296 ns/opLicense
This project is under the MIT License.