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    Pie Charts

    Pie with Custom Labels

    Documentation

    This demo illustrates how the PieChart UI component arranges labels in several columns. To maximize readability, the UI component ensures that labels do not overlap one another.

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    www.nytimes.com

    jQuery

    Angular

    Vue

    React

    AngularJS

    ASP.NET Core

    ASP.NET MVC

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    <template> <DxPieChart id="pie" :data-source="dataSource" palette="Bright" title="Olympic Medals in 2008" > <DxSeries argument-field="country" value-field="medals" > <DxLabel :visible="true" :customize-text="formatLabel" position="columns" > <DxConnector :visible="true" :width="0.5" /> <DxFont :size="16"/> </DxLabel> </DxSeries> <DxLegend :column-count="4" orientation="horizontal" item-text-position="right" horizontal-alignment="center" vertical-alignment="bottom" /> <DxExport :enabled="true"/> </DxPieChart> </template> <script> import DxPieChart, { DxSeries, DxLegend, DxLabel, DxConnector, DxFont, DxExport } from 'devextreme-vue/pie-chart'; import { dataSource } from './data.js'; export default { components: { DxPieChart, DxSeries, DxLegend, DxLabel, DxConnector, DxFont, DxExport }, data() { return { dataSource }; }, methods: { formatLabel(pointInfo) { return `${pointInfo.valueText} (${pointInfo.percentText})`; } } }; </script> <style> #pie { 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/20.2.5/css/dx.common.css" /> <link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/20.2.5/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"> </div> </div> </body> </html>
    export const dataSource = [{ country: 'USA', medals: 110 }, { country: 'China', medals: 100 }, { country: 'Russia', medals: 72 }, { country: 'Britain', medals: 47 }, { country: 'Australia', medals: 46 }, { country: 'Germany', medals: 41 }, { country: 'France', medals: 40 }, { country: 'South Korea', medals: 31 }];
    System.config({ transpiler: 'plugin-babel', meta: { '*.vue': { loader: 'vue-loader' }, 'devextreme/localization.js': { "esModule": true }, }, 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@20.2.5', 'devextreme-vue': 'npm:devextreme-vue@20.2.5', 'jszip': 'npm:jszip@3.5.0/dist/jszip.min.js', 'devextreme-quill': 'npm:devextreme-quill@0.9.8/dist/dx-quill.min.js', 'devexpress-diagram': 'npm:devexpress-diagram@2.0.11/dist/dx-diagram.js', 'devexpress-gantt': 'npm:devexpress-gantt@2.0.18/dist/dx-gantt.js', 'preact': 'npm:preact@10.5.11/dist/preact.js', 'preact/hooks': 'npm:preact@10.5.11/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 } });