2019-11-22 12:08:33 +08:00
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---
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title: 数据
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2019-12-02 11:12:30 +08:00
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order: 2
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2019-11-22 12:08:33 +08:00
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---
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## 数据
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目前L7支持的数据格式有GeoJson,CSV,JSon Image
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GeoJSON 支持点、线、面，等所有的空间数据格式。<br />CSV 支持，点，线段，弧线的支持。<br />JSON 支持简单的点、线，面，不支持多点，多线的，多面数据格式。
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## GeoJSON
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> GeoJSON是一种对各种地理数据结构进行编码的格式。GeoJSON对象可以表示几何、特征或者特征集合。GeoJSON支持下面几何类型：点、线、面、多点、多线、多面和几何集合。GeoJSON里的特征包含一个几何对象和其他属性，特征集合表示一系列特征。
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```json
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{
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"type": "FeatureCollection",
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"features": [
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{
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"type": "Feature",
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"properties": {},
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"geometry": {
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"type": "Polygon",
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"coordinates": [
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[
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[
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110.478515625,
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32.76880048488168
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],
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[
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117.68554687499999,
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32.76880048488168
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],
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[
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117.68554687499999,
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37.64903402157866
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],
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[
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110.478515625,
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37.64903402157866
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],
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[
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110.478515625,
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32.76880048488168
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]
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]
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]
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}
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}
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]
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}
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```
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## 地理统计分析工具
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[turfjs](http://turfjs.org/): 地理数据计算，处理，统计，分析的Javascript 库
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## 在线工具
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[http://geojson.io/](http://geojson.io/) 可以在线查看，绘制，修改GeoJSON数据
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[https://mapshaper.org/](https://mapshaper.org/) 可以查看较大的geojson，还能够简化GeoJSON数据
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## 数据资源
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#### 全国行政区划边界
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[支持 geojson, svg下载](http://datav.aliyun.com/tools/atlas/#&lat=33.50475906922609&lng=104.32617187499999&zoom=4)
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#### HighCharts 全球行政区划数据集
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[https://img.hcharts.cn/mapdata/](https://img.hcharts.cn/mapdata/)
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