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https://github.com/sakitam-fdd/ol3Echarts

:earth_asia: :bar_chart: ol3Echarts | a openlayers extension to echarts
https://github.com/sakitam-fdd/ol3Echarts

canvas echarts gis karma map openlayers react rollup webgl webpack

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:earth_asia: :bar_chart: ol3Echarts | a openlayers extension to echarts

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# Bridger for openlayers and Apache ECharts (incubating)



[![Build Status](https://travis-ci.org/sakitam-fdd/ol3Echarts.svg?branch=master)](https://www.travis-ci.org/sakitam-fdd/ol3Echarts)

[![codecov](https://codecov.io/gh/sakitam-fdd/ol3Echarts/branch/master/graph/badge.svg)](https://codecov.io/gh/sakitam-fdd/ol3Echarts)

![JS gzip size](http://img.badgesize.io/https://unpkg.com/ol3-echarts/dist/ol3Echarts.js?compression=gzip&label=gzip%20size:%20JS)

[![GitHub stars](https://img.shields.io/github/stars/sakitam-fdd/ol3Echarts.svg)](https://github.com/sakitam-fdd/ol3Echarts/stargazers)

[![GitHub license](https://img.shields.io/badge/license-MIT-blue.svg)](https://raw.githubusercontent.com/sakitam-fdd/ol3Echarts/master/LICENSE)



## Support



| Project | Status | Version | Npm | CDN | Description |

|---------|--------|---------|-----|------|-------------|

| [ol3-echarts](https://github.com/sakitam-fdd/ol3Echarts/packages/ol3-echarts) | [![Build Status](https://travis-ci.org/sakitam-fdd/ol3Echarts.svg?branch=master)](https://www.travis-ci.org/sakitam-fdd/ol3Echarts) | [![Npm package](https://img.shields.io/npm/v/ol3-echarts.svg)](https://www.npmjs.org/package/ol3-echarts) | [![NPM downloads](https://img.shields.io/npm/dm/ol3-echarts.svg)](https://npmjs.org/package/ol3-echarts) | [![](https://data.jsdelivr.com/v1/package/npm/ol3-echarts/badge)](https://www.jsdelivr.com/package/npm/ol3-echarts) | support for openlayers3-4 |

| [ol-echarts](https://github.com/sakitam-fdd/ol3Echarts/packages/ol-echarts) | [![Build Status](https://travis-ci.org/sakitam-fdd/ol3Echarts.svg?branch=master)](https://www.travis-ci.org/sakitam-fdd/ol3Echarts) | [![Npm package](https://img.shields.io/npm/v/ol-echarts.svg)](https://www.npmjs.org/package/ol-echarts) | [![NPM downloads](https://img.shields.io/npm/dm/ol-echarts.svg)](https://npmjs.org/package/ol-echarts) | [![](https://data.jsdelivr.com/v1/package/npm/ol-echarts/badge)](https://www.jsdelivr.com/package/npm/ol-echarts) | support for openlayers5+ |



### TIP



ol 7.x 以后请使用 ol-echarts v4.x，ol 7.x 之前请使用 ol-echarts v3.x，原因见 [issues/115](https://github.com/sakitam-fdd/ol3Echarts/issues/115#issuecomment-1627004544)



## 下载



```bash

git clone https://github.com/sakitam-fdd/ol3Echarts.git

yarn run bootstrap

yarn run dev

yarn run build

yarn run karma.test

```



### 安装



#### npm安装



> 注意：npm下存在两个包 [ol3-echarts](https://npmjs.org/package/ol3-echarts) 和 [ol-echarts](https://npmjs.org/package/ol-echarts)

  前者是在使用 [openlayers](https://npmjs.org/package/openlayers) 或者是 `ol` 的cdn时使用；后者是在使用 [ol](https://npmjs.org/package/ol)

  配合打包工具使用。



```bash

// old openlayers package

npm install ol3-echarts --save

import ol3Echarts from 'ol3-echarts'



// ol package

npm install ol-echarts --save

import EChartsLayer from 'ol-echarts'



```



#### cdn



> cdn 引用方式只支持 旧版 `openlayers` 和新版 `ol` 的cdn引用方式，统一使用 `ol3-echarts` 支持。



目前可通过 [unpkg.com](https://unpkg.com/ol3-echarts/dist/ol3Echarts.js) / [jsdelivr](https://cdn.jsdelivr.net/npm/ol3-echarts/dist/ol3Echarts.js) 获取最新版本的资源。



```bash

// jsdelivr (jsdelivr由于缓存原因最好锁定版本号)

https://cdn.jsdelivr.net/npm/[email protected]/dist/ol3Echarts.js

https://cdn.jsdelivr.net/npm/[email protected]/dist/ol3Echarts.min.js

// npm

https://unpkg.com/ol3-echarts/dist/ol3Echarts.js

https://unpkg.com/ol3-echarts/dist/ol3Echarts.min.js

```



#### [示例](//sakitam-fdd.github.io/ol3Echarts/)

#### [文档](//sakitam-fdd.github.io/ol3Echarts/docs/)



#### openlayers



``` javascript




  var Map = new ol.Map({

    target: container,

    layers: [

      new ol.layer.Tile({

        preload: 4,

        source: new ol.source.OSM()

      })

    ],

    loadTilesWhileAnimating: true,

    view: new ol.View({

      projection: 'EPSG:4326',

      center: [120.74758724751435, 30.760422266949334],

      zoom: 8

    })

  });

  var echartslayer = new ol3Echarts(echartsOption, {

    source: '',

    destination: '',

    hideOnMoving: true,

    forcedRerender: false,

    forcedPrecomposeRerender: false

  });

  echartslayer.appendTo(Map)



```



#### 对于 ol version >= 5 && >=6 的版本



如果你已经对 ol 执行构建 `build-legacy` 那么你将能够获取一个可以通过 `script` 引入的 `ol.js` 包，这样的话你也可以使用

`ol-echarts` 下的 `ol-echarts.js`, 如果碰到鼠标事件问题，请参照 issues [#45](https://github.com/sakitam-fdd/ol3Echarts/issues/45)



```html




  var osm = new ol.layer.Tile({

    source: new ol.source.OSM()

  });



  var map = new ol.Map({

    target: 'map',

    layers: [

      osm,

    ],

    view: new ol.View({

      center: ol.proj.fromLonLat([108.18095703125005, 34.34141675361363]),

      projection: 'EPSG:3857',

      zoom: 5

    })

  });



  var echartslayer = new EChartsLayer({

    tooltip: {

      trigger: "item",

      formatter: "{a} <br/>{b} : {c} ({d}%)"

    },

    legend: {

      orient: "vertical",

      left: "right",

      data: ["直接访问", "邮件营销", "联盟广告", "视频广告", "搜索引擎"]

    },

    series: [

      {

        name: "访问来源",

        type: "pie",

        radius: "30",

        coordinates: [110.53450137499999, 33.44104525],

        data: [

          { value: 335, name: "直接访问" },

          { value: 310, name: "邮件营销" },

          { value: 234, name: "联盟广告" },

          { value: 135, name: "视频广告" },

          { value: 1548, name: "搜索引擎" }

        ],

        itemStyle: {

          emphasis: {

            shadowBlur: 10,

            shadowOffsetX: 0,

            shadowColor: "rgba(0, 0, 0, 0.5)"

          }

        }

      },

      {

        name: "访问来源",

        type: "pie",

        radius: "30",

        coordinates: [113.53450137499999, 34.44104525],

        data: [

          { value: 335, name: "直接访问" },

          { value: 310, name: "邮件营销" },

          { value: 234, name: "联盟广告" },

          { value: 135, name: "视频广告" },

          { value: 1548, name: "搜索引擎" }

        ],

        itemStyle: {

          emphasis: {

            shadowBlur: 10,

            shadowOffsetX: 0,

            shadowColor: "rgba(0, 0, 0, 0.5)"

          }

        }

      },

      {

        name: "访问来源",

        type: "pie",

        radius: "30",

        coordinates: [110.53450137499999, 38.44104525],

        data: [

          { value: 335, name: "直接访问" },

          { value: 310, name: "邮件营销" },

          { value: 234, name: "联盟广告" },

          { value: 135, name: "视频广告" },

          { value: 1548, name: "搜索引擎" }

        ],

        itemStyle: {

          emphasis: {

            shadowBlur: 10,

            shadowOffsetX: 0,

            shadowColor: "rgba(0, 0, 0, 0.5)"

          }

        }

      }

    ]

  });



  echartslayer.appendTo(map);



```



#### ol package & react



```jsx harmony

import * as React from 'react';

import { Map, View } from 'ol';

import TileLayer from 'ol/layer/Tile';

import XYZ from 'ol/source/XYZ';

import 'ol/ol.css';

import EChartsLayer from 'ol-echarts';



class Index extends React.Component {

  constructor (props, context) {

    super(props, context);

    this.state = {

      zoom: 14,

      fov: 0,

      pitch: 0,

      bearing: 0

    };



    this.container = null;

    this.map = null;

  }



  componentDidMount () {

    this.map = new Map({

      target: this.container,

      view: new View({

        center: [113.53450137499999, 34.44104525],

        projection: 'EPSG:4326',

        zoom: 5 // resolution

      }),

      layers: [

        new TileLayer({

          source: new XYZ({

            url: 'http://cache1.arcgisonline.cn/arcgis/rest/services/ChinaOnline' +

            'StreetPurplishBlue/MapServer/tile/{z}/{y}/{x}'

          })

        })

      ]

    });

    const echartslayer = new EChartsLayer(option, {

      hideOnMoving: false,

      hideOnZooming: false,

      forcedPrecomposeRerender: true

    });

    echartslayer.appendTo(this.map);

    window.setTimeout(() => {

      echartslayer.remove();

    }, 10 * 1000)

  }



  setRef = (x = null) => {

    this.container = x;

  };



  render () {

    return (
);

  }

}

```



##### hmap-js



``` javascript




  var Maps = new HMap('map', {

    controls: {

      loading: true,

      zoomSlider: true,

      fullScreen: false

    },

    view: {

      center: [113.53450137499999, 34.44104525],

      projection: 'EPSG:4326',

      zoom: 5, // resolution

    },

    baseLayers: [

      {

        layerName: 'vector',

        isDefault: true,

        layerType: 'TileXYZ',

        projection: 'EPSG:3857',

        tileGrid: {

          tileSize: 256,

          extent: [-2.0037507067161843E7, -3.0240971958386254E7, 2.0037507067161843E7, 3.0240971958386205E7],

          origin: [-2.0037508342787E7, 2.0037508342787E7],

          resolutions: [

            156543.03392800014,

            78271.51696399994,

            39135.75848200009,

            19567.87924099992,

            9783.93962049996,

            4891.96981024998,

            2445.98490512499,

            1222.992452562495,

            611.4962262813797,

            305.74811314055756,

            152.87405657041106,

            76.43702828507324,

            38.21851414253662,

            19.10925707126831,

            9.554628535634155,

            4.77731426794937,

            2.388657133974685

          ]

        },

        layerUrl: 'http://cache1.arcgisonline.cn/arcgis/rest/services/ChinaOnlineStreetPurplishBlue/MapServer/tile/{z}/{y}/{x}'

      }

    ]

  });

  var echartslayer = new ol3Echarts(echartsOption, {

    source: '',

    destination: '',

    hideOnMoving: true,

    forcedRerender: false,

    forcedPrecomposeRerender: false

  });

  echartslayer.appendTo(Maps.getMap())



```



## 截图示例



![散点图](https://raw.githubusercontent.com/sakitam-fdd/ol3Echarts/master/website/static/images/scatter.jpg)



![迁徙图](https://raw.githubusercontent.com/sakitam-fdd/ol3Echarts/master/website/static/images/mock-migration.jpg)



![微博签到数据点亮中国](https://raw.githubusercontent.com/sakitam-fdd/ol3Echarts/master/website/static/images/wchart-gl.jpg)



其他示例请自己挖掘



## 致谢



> [echarts](https://github.com/ecomfe/echarts)

> [openlayers](https://github.com/openlayers/openlayers)



## License

[![FOSSA Status](https://app.fossa.io/api/projects/git%2Bgithub.com%2Fsakitam-fdd%2Fol3Echarts.svg?type=large)](https://app.fossa.io/projects/git%2Bgithub.com%2Fsakitam-fdd%2Fol3Echarts?ref=badge_large)