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Pie Charts

Pie

Documentation

This demo illustrates the PieChart widget that is often used when comparing the percentage values of different point arguments within a series.

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<template> <DxPieChart id="pie" :data-source="areas" palette="Bright" title="Area of Countries" @point-click="pointClickHandler($event)" @legend-click="legendClickHandler($event)" > <DxSeries argument-field="country" value-field="area" > <DxLabel :visible="true"> <DxConnector :visible="true" :width="1" /> </DxLabel> </DxSeries> <DxSize :width="500"/> <DxExport :enabled="true"/> </DxPieChart> </template> <script> import DxPieChart, { DxSize, DxSeries, DxLabel, DxConnector, DxExport } from 'devextreme-vue/pie-chart'; import { areas } from './data.js'; export default { components: { DxPieChart, DxSize, DxSeries, DxLabel, DxConnector, DxExport }, data() { return { areas }; }, methods: { pointClickHandler(e) { this.toggleVisibility(e.target); }, legendClickHandler(e) { let arg = e.target, item = e.component.getAllSeries()[0].getPointsByArg(arg)[0]; this.toggleVisibility(item); }, toggleVisibility(item) { item.isVisible() ? item.hide() : item.show(); } } }; </script> <style> #pie { height: 440px; } #pie * { margin: 0 auto; } </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/20.2.3/css/dx.common.css" /> <link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/20.2.3/css/dx.light.css" /> <script src="https://unpkg.com/core-js@2.4.1/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"> </div> </div> </body> </html>
export const areas = [{ country: 'Russia', area: 12 }, { country: 'Canada', area: 7 }, { country: 'USA', area: 7 }, { country: 'China', area: 7 }, { country: 'Brazil', area: 6 }, { country: 'Australia', area: 5 }, { country: 'India', area: 2 }, { country: 'Others', area: 55 }];
System.config({ transpiler: 'plugin-babel', meta: { '*.vue': { loader: 'vue-loader' }, }, paths: { 'npm:': 'https://unpkg.com/' }, map: { 'vue': 'npm:vue@3.0.0/dist/vue.esm-browser.js', 'vue-loader': 'npm:dx-systemjs-vue-browser@1.0.15/index.js', 'mitt': 'npm:mitt/dist/mitt.umd.js', 'rrule': 'npm:rrule@2.6.6/dist/es5/rrule.js', 'luxon': 'npm:luxon@1.25.0/build/global/luxon.min.js', 'es6-object-assign': 'npm:es6-object-assign@1.1.0', 'devextreme': 'npm:devextreme@20.2.3', 'devextreme-vue': 'npm:devextreme-vue@20.2.3', 'jszip': 'npm:jszip@3.5.0/dist/jszip.min.js', 'devextreme-quill': 'npm:devextreme-quill@0.9.5/dist/dx-quill.min.js', 'devexpress-diagram': 'npm:devexpress-diagram@2.0.0/dist/dx-diagram.js', 'devexpress-gantt': 'npm:devexpress-gantt@2.0.0/dist/dx-gantt.js', 'preact': 'npm:preact@10.5.5/dist/preact.js', 'preact/hooks': 'npm:preact@10.5.5/hooks/dist/hooks.js', 'plugin-babel': 'npm:systemjs-plugin-babel@0.0.25/plugin-babel.js', 'systemjs-babel-build': 'npm:systemjs-plugin-babel@0.0.25/systemjs-babel-browser.js' }, packages: { 'devextreme-vue': { main: 'index.js' }, 'devextreme': { defaultExtension: 'js' }, 'devextreme/events/utils': { main: 'index' }, 'devextreme/events': { main: 'index' }, 'es6-object-assign': { main: './index.js', defaultExtension: 'js' } }, babelOptions: { sourceMaps: false, stage0: true } });