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159 lines
7.0 KiB
HTML
<!DOCTYPE html>
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<html>
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<head>
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<script src="//html5shiv.googlecode.com/svn/trunk/html5.js"></script>
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<![endif]-->
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<title>Coordtransform by wandergis</title>
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</head>
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<body>
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<header>
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<div class="inner">
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<h1>Coordtransform</h1>
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<h2>提供了百度坐标（BD09）、国测局坐标（火星坐标，GCJ02）、和WGS84坐标系之间的转换</h2>
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<a href="https://github.com/wandergis/coordtransform" class="button"><small>View project on</small> GitHub</a>
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</div>
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</header>
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<div id="content-wrapper">
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<div class="inner clearfix">
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<section id="main-content">
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<h1>
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<a id="coordtransform-坐标转换" class="anchor" href="#coordtransform-%E5%9D%90%E6%A0%87%E8%BD%AC%E6%8D%A2" aria-hidden="true"><span class="octicon octicon-link"></span></a>coordtransform 坐标转换</h1>
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<hr>
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<p>一个提供了百度坐标（BD09）、国测局坐标（火星坐标，GCJ02）、和WGS84坐标系之间的转换的工具模块（另外还提供了python版本的代码<a href="https://github.com/wandergis/coordTransform_py%EF%BC%89">https://github.com/wandergis/coordTransform_py）</a></p>
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<hr>
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<h1>
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<a id="支持node浏览器amd方式和直接引用方式" class="anchor" href="#%E6%94%AF%E6%8C%81node%E6%B5%8F%E8%A7%88%E5%99%A8amd%E6%96%B9%E5%BC%8F%E5%92%8C%E7%9B%B4%E6%8E%A5%E5%BC%95%E7%94%A8%E6%96%B9%E5%BC%8F" aria-hidden="true"><span class="octicon octicon-link"></span></a><strong>支持node、浏览器（AMD方式和直接引用方式）</strong>
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</h1>
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<ul>
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<li>GitHub地址：<a href="https://github.com/wandergis/coordtransform">https://github.com/wandergis/coordtransform</a>
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</li>
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<li>npm地址：<a href="https://www.npmjs.com/package/coordtransform">https://www.npmjs.com/package/coordtransform</a>
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</li>
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<li>项目主页：<a href="http://wandergis.github.io/coordtransform/">http://wandergis.github.io/coordtransform/</a>
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</li>
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</ul>
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<h3>
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<a id="安装install" class="anchor" href="#%E5%AE%89%E8%A3%85install" aria-hidden="true"><span class="octicon octicon-link"></span></a>安装（install）</h3>
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<pre><code>npm install coordtransform
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</code></pre>
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<h3>
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<a id="示例用法exampleusage" class="anchor" href="#%E7%A4%BA%E4%BE%8B%E7%94%A8%E6%B3%95exampleusage" aria-hidden="true"><span class="octicon octicon-link"></span></a>示例用法（Example&Usage）</h3>
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<p>1 NodeJs用法</p>
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<pre><code>//国测局坐标(火星坐标,比如高德地图在用),百度坐标,wgs84坐标(谷歌国外以及绝大部分国外在线地图使用的坐标)
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var coordtransform=require('coordtransform');
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//百度经纬度坐标转国测局坐标
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var bd09togcj02=coordtransform.bd09togcj02(116.404, 39.915);
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//国测局坐标转百度经纬度坐标
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var gcj02tobd09=coordtransform.gcj02tobd09(116.404, 39.915);
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//wgs84转国测局坐标
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var wgs84togcj02=coordtransform.wgs84togcj02(116.404, 39.915);
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//国测局坐标转wgs84坐标
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var gcj02towgs84=coordtransform.gcj02towgs84(116.404, 39.915);
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console.log(bd09togcj02);
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console.log(gcj02tobd09);
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console.log(wgs84togcj02);
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console.log(gcj02towgs84);
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//result
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//bd09togcj02: [ 116.39762729119315, 39.90865673957631 ]
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//gcj02tobd09: [ 116.41036949371029, 39.92133699351021 ]
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//wgs84togcj02: [ 116.41024449916938, 39.91640428150164 ]
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//gcj02towgs84: [ 116.39775550083061, 39.91359571849836 ]
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</code></pre>
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<p>2 浏览器用法
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直接引用目录内的index.js，会有一个coordtransform的全局对象暴露出来，也支持用AMD加载器加载</p>
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<pre><code><!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8">
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<title>coordTransform</title>
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</head>
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<body>
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<h1>请按F12打开控制台查看结果</h1>
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<script src="index.js"></script>
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<script>
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//国测局坐标(火星坐标,比如高德地图在用),百度坐标,wgs84坐标(谷歌国外以及绝大部分国外在线地图使用的坐标)
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//百度经纬度坐标转国测局坐标
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var bd09togcj02 = coordtransform.bd09togcj02(116.404, 39.915);
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//国测局坐标转百度经纬度坐标
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var gcj02tobd09 = coordtransform.gcj02tobd09(116.404, 39.915);
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//wgs84转国测局坐标
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var wgs84togcj02 = coordtransform.wgs84togcj02(116.404, 39.915);
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//国测局坐标转wgs84坐标
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var gcj02towgs84 = coordtransform.gcj02towgs84(116.404, 39.915);
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console.log(bd09togcj02);
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console.log(gcj02tobd09);
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console.log(wgs84togcj02);
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console.log(gcj02towgs84);
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//result
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//bd09togcj02: [ 116.39762729119315, 39.90865673957631 ]
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//gcj02tobd09: [ 116.41036949371029, 39.92133699351021 ]
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//wgs84togcj02: [ 116.41024449916938, 39.91640428150164 ]
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//gcj02towgs84: [ 116.39775550083061, 39.91359571849836 ]
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</script>
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</body>
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</html>
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</code></pre>
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<hr>
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<h3>
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<a id="sometipes" class="anchor" href="#sometipes" aria-hidden="true"><span class="octicon octicon-link"></span></a>sometipes</h3>
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<p>对于做GIS的人来说，底图对我们还是很重要的，有时候看国外的底图很好看，换上之后发现坐标位置全部不对，因此写了这个包帮助大家完成坐标的转换，也准备写成一个leaflet的扩展，方便大家的使用，喜欢的童鞋请star，O(∩_∩)O</p>
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</section>
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<small>Download</small>
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.zip file
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<small>Download</small>
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.tar.gz file
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</a>
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<p class="repo-owner"><a href="https://github.com/wandergis/coordtransform"></a> is maintained by <a href="https://github.com/wandergis">wandergis</a>.</p>
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