# coordtransform

**Repository Path**: cooppor/coordtransform

## Basic Information

- **Project Name**: coordtransform
- **Description**: No description available
- **Primary Language**: Unknown
- **License**: MIT
- **Default Branch**: master
- **Homepage**: None
- **GVP Project**: No

## Statistics

- **Stars**: 0
- **Forks**: 0
- **Created**: 2024-03-08
- **Last Updated**: 2024-03-08

## Categories & Tags

**Categories**: Uncategorized

**Tags**: None

## README

coordtransform
[![Go Report Card](https://goreportcard.com/badge/github.com/qichengzx/coordtransform)](https://goreportcard.com/report/github.com/qichengzx/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
------

- [火星坐标系->百度坐标系](https://github.com/qichengzx/coordtransform/blob/ecfa225e65d96871733941ddc35ff8194c13e9f3/main.go#L32)
- [百度坐标系->火星坐标系](https://github.com/qichengzx/coordtransform/blob/ecfa225e65d96871733941ddc35ff8194c13e9f3/main.go#L18)
- [WGS84坐标系->火星坐标系](https://github.com/qichengzx/coordtransform/blob/ecfa225e65d96871733941ddc35ff8194c13e9f3/main.go#L43)
- [火星坐标系->WGS84坐标系](https://github.com/qichengzx/coordtransform/blob/ecfa225e65d96871733941ddc35ff8194c13e9f3/main.go#L54)
- [WGS84坐标系->百度坐标系](https://github.com/qichengzx/coordtransform/blob/ecfa225e65d96871733941ddc35ff8194c13e9f3/main.go#L71)
- [百度坐标系->WGS84坐标系](https://github.com/qichengzx/coordtransform/blob/ecfa225e65d96871733941ddc35ff8194c13e9f3/main.go#L65)

Installation
------

```bash
go get github.com/qichengzx/coordtransform
```

Quick Start
------

```Go
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

```Go
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/op
```

License
------

This project is under the MIT License.