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Bar Charts

Auto-Calculated Bar Width

Documentation

When values for a series are not specified or are set to zero, bars that represent these values will not be visible within the chart. You can populate these empty region by extending neighboring bars via the equalBarWidth property set to false.

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<template> <dx-chart id="chart" :data-source="dataSource" palette="Soft" title="Percent of Total Energy Production" > <dx-common-series-settings :ignore-empty-points="true" argument-field="state" type="bar" /> <dx-series value-field="oil" name="Oil Production" /> <dx-series value-field="gas" name="Gas Production" /> <dx-series value-field="coal" name="Coal Production" /> <dx-legend vertical-alignment="bottom" horizontal-alignment="center" /> <dx-export :enabled="true"/> </dx-chart> </template> <script> import { DxChart, DxSeries, DxCommonSeriesSettings, DxLegend, DxExport } from 'devextreme-vue/chart'; import { dataSource } from './data.js'; export default { components: { DxChart, DxSeries, DxCommonSeriesSettings, DxLegend, DxExport }, data() { return { dataSource: dataSource }; } }; </script> <style> #chart { 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/19.1.6/css/dx.common.css" /> <link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/19.1.6/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 dataSource = [{ state: 'China', oil: 4.95, gas: 2.85, coal: 45.56 }, { state: 'Russia', oil: 12.94, gas: 17.66, coal: 4.13 }, { state: 'USA', oil: 8.51, gas: 19.87, coal: 15.84 }, { state: 'Iran', oil: 5.3, gas: 4.39 }, { state: 'Canada', oil: 4.08, gas: 5.4 }, { state: 'Saudi Arabia', oil: 12.03 }, { state: 'Mexico', oil: 3.86 }];
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 } });