Bubble

Documentation

This demo illustrates use of the bubble series type. This series can be used when you need to visualize a data set with three dimensions: the first two dimensions are indicated by coordinates on the axes, the third by the size of the bubble. In this demo, the bubble size helps estimate the percentage of people with age over 60 to the total population in the country.

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Backend API

<template> <DxChart id="chart" :data-source="dataSource" :palette="palette" title="Correlation between Total Population and\n Population with Age over 60" @series-click="seriesClick" > <DxCommonSeriesSettings type="bubble"/> <DxSeries name="Europe" argument-field="total1" value-field="older1" size-field="perc1" tag-field="tag1" /> <DxSeries name="Africa" argument-field="total2" value-field="older2" size-field="perc2" tag-field="tag2" /> <DxSeries name="Asia" argument-field="total3" value-field="older3" size-field="perc3" tag-field="tag3" /> <DxSeries name="North America" argument-field="total4" value-field="older4" size-field="perc4" tag-field="tag4" /> <DxArgumentAxis title="Total Population"> <DxLabel :customize-text="customizeText"/> </DxArgumentAxis> <DxValueAxis title="Population with Age over 60"> <DxLabel :customize-text="customizeText"/> </DxValueAxis> <DxLegend :visible="true" position="inside" horizontal-alignment="left" > <DxBorder :visible="true"/> </DxLegend> <DxTooltip :customize-tooltip="customizeTooltip" :enabled="true" location="edge" /> <DxExport :enabled="true"/> </DxChart> </template> <script> import { DxChart, DxSeries, DxCommonSeriesSettings, DxPoint, DxLegend, DxValueAxis, DxArgumentAxis, DxLabel, DxBorder, DxTooltip, DxExport, } from 'devextreme-vue/chart'; import { dataSource } from './data.js'; export default { components: { DxChart, DxSeries, DxCommonSeriesSettings, DxPoint, DxLegend, DxValueAxis, DxArgumentAxis, DxLabel, DxBorder, DxTooltip, DxExport, }, data() { return { dataSource, palette: ['#00ced1', '#008000', '#ffd700', '#ff7f50'], }; }, methods: { customizeTooltip(pointInfo) { return { text: `${pointInfo.point.tag}<br/>Total Population: ${pointInfo.argumentText}M<br/>Population with Age over 60: ${pointInfo.valueText}M (${pointInfo.size}%)`, }; }, seriesClick(e) { const series = e.target; if (series.isVisible()) { series.hide(); } else { series.show(); } }, customizeText(e) { return `${e.value}M`; }, }, }; </script> <style> #chart { height: 440px; } </style>

import { createApp } from 'vue'; import App from './App.vue'; createApp(App).mount('#app');

<!DOCTYPE html> <html> <head> <title>DevExtreme Demo</title> <meta http-equiv="X-UA-Compatible" content="IE=edge" /> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0" /> <link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/23.1.5/css/dx.light.css" /> <script src="https://unpkg.com/core-js@2.6.12/client/shim.min.js"></script> <script src="https://unpkg.com/systemjs@0.21.3/dist/system.js"></script> <script type="text/javascript" src="config.js"></script> <script type="text/javascript"> System.import("./index.js"); </script> </head> <body class="dx-viewport"> <div class="demo-container"> <div id="app"> <span v-if="false">Loading...</span> </div> </div> </body> </html>

export const dataSource = [{ total1: 9.5, total2: 168.8, total3: 127.2, older1: 2.4, older2: 8.8, older3: 40.1, perc1: 25.4, perc2: 5.3, perc3: 31.6, tag1: 'Sweden', tag2: 'Nigeria', tag3: 'Japan', }, { total1: 82.8, total2: 91.7, total3: 90.8, older1: 21.9, older2: 4.6, older3: 8.0, perc1: 26.7, perc2: 5.4, perc3: 8.9, tag1: 'Germany', tag2: 'Ethiopia', tag3: 'Viet Nam', }, { total1: 16.7, total2: 80.7, total3: 21.1, older1: 3.8, older2: 7.0, older3: 2.7, perc1: 22.8, perc2: 8.4, perc3: 12.9, tag1: 'Netherlands', tag2: 'Egypt', tag3: 'Sri Lanka', }, { total1: 62.8, total2: 52.4, total3: 96.7, older1: 14.4, older2: 4.0, older3: 5.9, perc1: 23.0, perc2: 7.8, perc3: 6.1, tag1: 'United Kingdom', tag2: 'South Africa', tag3: 'Philippines', }, { total1: 38.2, total2: 43.2, total3: 66.8, older1: 7.8, older2: 1.8, older3: 9.6, perc1: 20.4, perc2: 4.3, perc3: 13.7, tag1: 'Poland', tag2: 'Kenya', tag3: 'Thailand', }, { total1: 45.5, total3: 154.7, total4: 34.8, older1: 9.5, older3: 10.3, older4: 7.2, perc1: 21.1, perc3: 6.8, perc4: 20.8, tag1: 'Ukraine', tag3: 'Bangladesh', tag4: 'Canada', }, { total1: 143.2, total4: 120.8, older1: 26.5, older4: 11.0, perc1: 18.6, perc4: 9.5, tag1: 'Russian Federation', tag4: 'Mexico', }];