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Bar Charts

Color Each Bar Differently

Documentation

As the Chart assigns one color to one series by default, you need to create a separate series for each bar to color bars differently. For this, employ a series template. Choose a data field and assign it to the seriesTemplate | nameField option. Each different value from this data field generates a separate series. In this demo, all values from the "age" data field are different, therefore, a separate series is generated for each, and all series are colored differently.

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<template> <dx-chart id="chart" :data-source="dataSource" palette="Soft" > <dx-common-series-settings :ignore-empty-points="true" argument-field="age" value-field="number" type="bar" /> <dx-series-template name-field="age"/> <dx-title text="Age Breakdown of Facebook Users in the U.S." subtitle="as of January 2017" /> </dx-chart> </template> <script> import { DxChart, DxSeriesTemplate, DxCommonSeriesSettings, DxTitle } from 'devextreme-vue/chart'; import { dataSource } from './data.js'; export default { components: { DxChart, DxSeriesTemplate, DxCommonSeriesSettings, DxTitle }, 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/19.1.5/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 dataSource = [ { age: '13-17', number: 5900000 }, { age: '18-24', number: 38250000 }, { age: '25-34', number: 52820000 }, { age: '35-44', number: 38420000 }, { age: '45-54', number: 32340000 }, { age: '55-64', number: 14060000 }, { age: '65+', number: 20020000 } ];
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 } });