Apache ECharts Word Cloud exte

echarts-wordcloud

Third-party Wordcloud extension based on wordcloud2.js for Apache ECharts.

Examples

Google Trends

ECharts Option Keywords

Install

<script src="echarts.min.js"></script> <script src="echarts-wordcloud.min.js"></script>

Or

npm install echarts npm install echarts-wordcloud

import * as echarts from 'echarts'; import 'echarts-wordcloud';

NOTE:

echarts-wordcloud@2 is for echarts@5

echarts-wordcloud@1 is for echarts@4

Usage

var chart = echarts.init(document.getElementById('main')); chart.setOption({ ... series: [{ type: 'wordCloud', // The shape of the "cloud" to draw. Can be any polar equation represented as a // callback function, or a keyword present. Available presents are circle (default), // cardioid (apple or heart shape curve, the most known polar equation), diamond ( // alias of square), triangle-forward, triangle, (alias of triangle-upright, pentagon, and star. shape: 'circle', // Keep aspect ratio of maskImage or 1:1 for shapes // This option is supported since echarts-wordcloud@2.1.0 keepAspect: false, // A silhouette image which the white area will be excluded from drawing texts. // The shape option will continue to apply as the shape of the cloud to grow. maskImage: maskImage, // Folllowing left/top/width/height/right/bottom are used for positioning the word cloud // Default to be put in the center and has 75% x 80% size. left: 'center', top: 'center', width: '70%', height: '80%', right: null, bottom: null, // Text size range which the value in data will be mapped to. // Default to have minimum 12px and maximum 60px size. sizeRange: [12, 60], // Text rotation range and step in degree. Text will be rotated randomly in range [-90, 90] by rotationStep 45 rotationRange: [-90, 90], rotationStep: 45, // size of the grid in pixels for marking the availability of the canvas // the larger the grid size, the bigger the gap between words. gridSize: 8, // set to true to allow word to be drawn partly outside of the canvas. // Allow word bigger than the size of the canvas to be drawn // This option is supported since echarts-wordcloud@2.1.0 drawOutOfBound: false, // if the font size is too large for the text to be displayed, // whether to shrink the text. If it is set to false, the text will // not be rendered. If it is set to true, the text will be shrinked. // This option is supported since echarts-wordcloud@2.1.0 shrinkToFit: false, // If perform layout animation. // NOTE disable it will lead to UI blocking when there is lots of words. layoutAnimation: true, // Global text style textStyle: { fontFamily: 'sans-serif', fontWeight: 'bold', // Color can be a callback function or a color string color: function () { // Random color return 'rgb(' + [ Math.round(Math.random() * 160), Math.round(Math.random() * 160), Math.round(Math.random() * 160) ].join(',') + ')'; } }, emphasis: { focus: 'self', textStyle: { textShadowBlur: 10, textShadowColor: '#333' } }, // Data is an array. Each array item must have name and value property. data: [{ name: 'Farrah Abraham', value: 366, // Style of single text textStyle: { } }] }] }); Changelog 2.1.0 [chore] Update Apache ECharts version [chore] Sync with the latest wordcloud2.js and use prettier to format the code [feature] Add keepAspect option to keep aspect ratio of maskImage or 1:1 for shapes [feature] Add drawOutOfBound option to allow words to be drawn partly outside of the canvas [feature] Add shrinkToFit option to shrink the text if the font size is too large for the text to be displayed

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