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熊猫大侠 / coordtransform

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README
MIT

coordtransform Go Report Card

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/coordtransform

Quick 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/op

License

This project is under the MIT License.

MIT License Copyright (c) 2018 xin zhao Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

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