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Charts

Dynamic Series from the DataSource

Documentation

In this example, data for series is provided in a peculiar manner. Each object in the data source represents a point in a single series. To define series in this case, use the seriesTemplate object where you need to specify the data field providing series names and custom settings for a given series. Settings common to all series must be set within the commonSeriesSettings object. Providing data in this manner is useful when the number of points within a single series changes over time.

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<template> <dx-chart id="chart" :data-source="dataSource" palette="Violet" > <dx-series-template :customize-series="customizeSeries" name-field="year" /> <dx-common-series-settings argument-field="country" value-field="oil" type="bar" /> <dx-title text="Oil Production"> <dx-subtitle text="(in millions tonnes)"/> </dx-title> <dx-legend vertical-alignment="bottom" horizontal-alignment="center" /> <dx-export :enabled="true"/> </dx-chart> </template> <script> import DxChart, { DxLegend, DxSeriesTemplate, DxTitle, DxSubtitle, DxCommonSeriesSettings, DxExport } from 'devextreme-vue/chart'; import { dataSource } from './data.js'; export default { components: { DxChart, DxLegend, DxSeriesTemplate, DxTitle, DxSubtitle, DxCommonSeriesSettings, DxExport }, data() { return { dataSource }; }, methods: { customizeSeries(valueFromNameField) { return valueFromNameField === 2009 ? { type: 'line', label: { visible: true }, color: '#ff3f7a' } : {}; } } }; </script> <style> #chart { height: 440px; width: 100%; } </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 = [ { year: 1970, country: 'Saudi Arabia', oil: 192.2 }, { year: 1970, country: 'USA', oil: 533.5 }, { year: 1970, country: 'Iran', oil: 192.6 }, { year: 1970, country: 'Mexico', oil: 24.2 }, { year: 1980, country: 'Saudi Arabia', oil: 509.8 }, { year: 1980, country: 'USA', oil: 480.2 }, { year: 1980, country: 'Iran', oil: 74.3 }, { year: 1980, country: 'Mexico', oil: 107.2 }, { year: 1990, country: 'Saudi Arabia', oil: 342.6 }, { year: 1990, country: 'USA', oil: 416.6 }, { year: 1990, country: 'Iran', oil: 162.8 }, { year: 1990, country: 'Mexico', oil: 146.3 }, { year: 1990, country: 'Russia', oil: 515.9 }, { year: 2000, country: 'Saudi Arabia', oil: 456.3 }, { year: 2000, country: 'USA', oil: 352.6 }, { year: 2000, country: 'Iran', oil: 191.3 }, { year: 2000, country: 'Mexico', oil: 171.2 }, { year: 2000, country: 'Russia', oil: 323.3 }, { year: 2008, country: 'Saudi Arabia', oil: 515.3 }, { year: 2008, country: 'USA', oil: 304.9 }, { year: 2008, country: 'Iran', oil: 209.9 }, { year: 2008, country: 'Mexico', oil: 157.7 }, { year: 2008, country: 'Russia', oil: 488.5 }, { year: 2009, country: 'Saudi Arabia', oil: 459.5 }, { year: 2009, country: 'USA', oil: 325.3 }, { year: 2009, country: 'Iran', oil: 202.4 }, { year: 2009, country: 'Mexico', oil: 147.5 }, { year: 2009, country: 'Russia', oil: 494.2 } ];
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 } });