echarts-wordcloud

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

Examples

Google Trends

ECharts Option Keywords

Install

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

Or

1npm install echarts
2npm install echarts-wordcloud

1import * as echarts from 'echarts'
2import 'echarts-wordcloud';

NOTE:

echarts-wordcloud@2 is for echarts@5 echarts-wordcloud@1 is for echarts@4

Usage

1var chart = echarts.init(document.getElementById('main'));
2
3chart.setOption({
4    ...
5    series: [{
6        type: 'wordCloud',
7
8        // The shape of the "cloud" to draw. Can be any polar equation represented as a
9        // callback function, or a keyword present. Available presents are circle (default),
10        // cardioid (apple or heart shape curve, the most known polar equation), diamond (
11        // alias of square), triangle-forward, triangle, (alias of triangle-upright, pentagon, and star.
12
13        shape: 'circle',
14
15        // A silhouette image which the white area will be excluded from drawing texts.
16        // The shape option will continue to apply as the shape of the cloud to grow.
17
18        maskImage: maskImage,
19
20        // Folllowing left/top/width/height/right/bottom are used for positioning the word cloud
21        // Default to be put in the center and has 75% x 80% size.
22
23        left: 'center',
24        top: 'center',
25        width: '70%',
26        height: '80%',
27        right: null,
28        bottom: null,
29
30        // Text size range which the value in data will be mapped to.
31        // Default to have minimum 12px and maximum 60px size.
32
33        sizeRange: [12, 60],
34
35        // Text rotation range and step in degree. Text will be rotated randomly in range [-90, 90] by rotationStep 45
36
37        rotationRange: [-90, 90],
38        rotationStep: 45,
39
40        // size of the grid in pixels for marking the availability of the canvas
41        // the larger the grid size, the bigger the gap between words.
42
43        gridSize: 8,
44
45        // set to true to allow word being draw partly outside of the canvas.
46        // Allow word bigger than the size of the canvas to be drawn
47        drawOutOfBound: false,
48
49        // If perform layout animation.
50        // NOTE disable it will lead to UI blocking when there is lots of words.
51        layoutAnimation: true,
52
53        // Global text style
54        textStyle: {
55            fontFamily: 'sans-serif',
56            fontWeight: 'bold',
57            // Color can be a callback function or a color string
58            color: function () {
59                // Random color
60                return 'rgb(' + [
61                    Math.round(Math.random() * 160),
62                    Math.round(Math.random() * 160),
63                    Math.round(Math.random() * 160)
64                ].join(',') + ')';
65            }
66        },
67        emphasis: {
68            focus: 'self',
69
70            textStyle: {
71                textShadowBlur: 10,
72                textShadowColor: '#333'
73            }
74        },
75
76        // Data is an array. Each array item must have name and value property.
77        data: [{
78            name: 'Farrah Abraham',
79            value: 366,
80            // Style of single text
81            textStyle: {
82            }
83        }]
84    }]
85});