echarts

What is echarts?

ECharts is a powerful, interactive charting and visualization library for browser environments. It provides a wide range of chart types and is highly customizable, making it suitable for complex data visualization needs.

What are echarts's main functionalities?

Line Chart

This code initializes a basic line chart with ECharts. It sets up the x-axis with categories representing days of the week and the y-axis with numerical values. The series data represents the values for each day.

const echarts = require('echarts');
const chart = echarts.init(document.getElementById('main'));
const option = {
  xAxis: {
    type: 'category',
    data: ['Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat', 'Sun']
  },
  yAxis: {
    type: 'value'
  },
  series: [{
    data: [150, 230, 224, 218, 135, 147, 260],
    type: 'line'
  }]
};
chart.setOption(option);

Bar Chart

This code initializes a basic bar chart with ECharts. Similar to the line chart, it sets up the x-axis with categories and the y-axis with numerical values. The series data represents the bar heights for each category.

const echarts = require('echarts');
const chart = echarts.init(document.getElementById('main'));
const option = {
  xAxis: {
    type: 'category',
    data: ['Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat', 'Sun']
  },
  yAxis: {
    type: 'value'
  },
  series: [{
    data: [120, 200, 150, 80, 70, 110, 130],
    type: 'bar'
  }]
};
chart.setOption(option);

Pie Chart

This code initializes a basic pie chart with ECharts. The series data represents different categories and their corresponding values, which are displayed as slices of the pie.

const echarts = require('echarts');
const chart = echarts.init(document.getElementById('main'));
const option = {
  series: [{
    type: 'pie',
    data: [
      { value: 1048, name: 'Search Engine' },
      { value: 735, name: 'Direct' },
      { value: 580, name: 'Email' },
      { value: 484, name: 'Union Ads' },
      { value: 300, name: 'Video Ads' }
    ]
  }]
};
chart.setOption(option);

Other packages similar to echarts

chart.js

Chart.js is a simple yet flexible JavaScript charting library for designers & developers. It offers a variety of chart types and is known for its ease of use and integration. Compared to ECharts, Chart.js is more lightweight but may lack some of the advanced features and customizability.

highcharts

Highcharts is a charting library written in pure JavaScript, offering an easy way of adding interactive charts to web sites or web applications. Highcharts is known for its extensive range of chart types and high level of customization. It is comparable to ECharts in terms of functionality but is a commercial product with licensing fees for certain uses.

d3

D3.js is a JavaScript library for producing dynamic, interactive data visualizations in web browsers. It uses SVG, HTML, and CSS. D3 is highly flexible and powerful, allowing for complex and custom visualizations. However, it has a steeper learning curve compared to ECharts.

README

Apache ECharts

Apache ECharts is a free, powerful charting and visualization library offering an easy way of adding intuitive, interactive, and highly customizable charts to your commercial products. It is written in pure JavaScript and based on zrender, which is a whole new lightweight canvas library.

中文官网 | ENGLISH HOMEPAGE

Get Apache ECharts

You may choose one of the following methods:

• Download from the official website
• npm install echarts --save
• CDN: jsDelivr CDN

Docs

• Get Started
• API
• Option Manual
• Examples

Get Help

• GitHub Issues for bug report and feature requests
• Email [e-mail] for general questions
• Subscribe to the mailing list to get updated with the project

Build

Build echarts source code:

Execute the instructions in the root directory of the echarts: (Node.js is required)

# Install the dependencies from NPM:
npm install

# Rebuild source code immediately in watch mode when changing the source code.
# It opens the `./test` directory and you may open `-cases.html` to get the list
# of all test cases.
# If you wish to create a test case, run `npm run mktest:help` to learn more.
npm run dev

# Check correctness of TypeScript code.
npm run checktype

# If intending to build and get all types of the "production" files:
npm run release

Then the "production" files are generated in the dist directory.

Contribution

If you wish to debug locally or make pull requests, please refer to the contributing document.

Resources

Awesome ECharts

https://github.com/ecomfe/awesome-echarts

Extensions

• ECharts GL An extension pack of ECharts, which provides 3D plots, globe visualization, and WebGL acceleration.

• Liquidfill 水球图

• Wordcloud 字符云

• Extension for Baidu Map 百度地图扩展 An extension provides a wrapper of Baidu Map Service SDK.

• vue-echarts ECharts component for Vue.js

• echarts-stat Statistics tool for ECharts

License

ECharts is available under the Apache License V2.

Code of Conduct

Please refer to Apache Code of Conduct.

Paper

Deqing Li, Honghui Mei, Yi Shen, Shuang Su, Wenli Zhang, Junting Wang, Ming Zu, Wei Chen. ECharts: A Declarative Framework for Rapid Construction of Web-based Visualization. Visual Informatics, 2018.