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    Doughnut Charts

    Doughnut

    Documentation

    This demo illustrates the PieChart widget with the doughnut series type, which is often used when comparing the percentage values of different point arguments within a series.

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    <template> <dx-pie-chart id="pie" :data-source="populationByRegions" type="doughnut" title="The Population of Continents and Regions" palette="Soft Pastel" > <dx-series argument-field="region"> <dx-label :visible="true" format="millions" > <dx-connector :visible="true"/> </dx-label> </dx-series> <dx-export :enabled="true"/> <dx-legend :margin="0" horizontal-alignment="right" vertical-alignment="top" /> <dx-tooltip :enabled="true" :customize-tooltip="customizeTooltip" > <dx-format type="millions" /> </dx-tooltip> </dx-pie-chart> </template> <script> import DxPieChart, { DxLegend, DxSeries, DxTooltip, DxFormat, DxLabel, DxConnector, DxExport } from 'devextreme-vue/pie-chart'; import { populationByRegions } from './data.js'; export default { components: { DxPieChart, DxLegend, DxSeries, DxTooltip, DxFormat, DxLabel, DxConnector, DxExport }, data() { return { customizeTooltip(arg) { return { text: `${arg.valueText} - ${(arg.percent * 100).toFixed(2)}%` }; } }; }, computed: { populationByRegions() { return populationByRegions; } } }; </script> <style> #pie { height: 440px; } </style>
    import Vue from 'vue'; import App from './App.vue'; new Vue({ el: '#app', components: { App }, template: '<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/19.1.5/css/dx.common.css" /> <link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/19.1.5/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"> <span v-if="false">Loading...</span> </div> </div> </body> </html>
    export const populationByRegions = [{ region: 'Asia', val: 4119626293 }, { region: 'Africa', val: 1012956064 }, { region: 'Northern America', val: 344124520 }, { region: 'Latin America and the Caribbean', val: 590946440 }, { region: 'Europe', val: 727082222 }, { region: 'Oceania', val: 35104756 }];
    System.config({ transpiler: 'plugin-babel', paths: { 'npm:': 'https://unpkg.com/' }, map: { vue: 'npm:vue@2.6.3/dist/vue.esm.browser.js', 'vue-loader': 'npm:systemjs-vue-browser@latest/index.js', 'devextreme': 'npm:devextreme@19.1', 'devextreme-vue': 'npm:devextreme-vue@19.1', jszip: 'npm:jszip@3.1.3/dist/jszip.min.js', 'quill': 'npm:quill@1.3.6/dist/quill.js', 'devexpress-diagram': 'npm:devexpress-diagram', 'plugin-babel': 'npm:systemjs-plugin-babel@0/plugin-babel.js', 'systemjs-babel-build': 'npm:systemjs-plugin-babel@0/systemjs-babel-browser.js' }, meta: { '*.vue': { loader: 'vue-loader' } }, packages: { 'devextreme-vue': { main: 'index.js' }, 'devextreme': { defaultExtension: 'js' } }, babelOptions: { sourceMaps: false, stage0: true } });