Your search did not match any results.
Charts

API - Select a Point

Documentation

This demo shows how easily you can access a necessary chart series and select a specific point in it using the API.

http://www.statisticbrain.com
Copy to CodeSandBox
Apply
Reset
<template> <dx-chart id="chart" :data-source="catBreedsData" :rotated="true" title="Most Popular US Cat Breeds" @done="onDone" @point-click="onPointClick" > <dx-common-series-settings argument-field="breed" type="bar" /> <dx-series value-field="count" name="breeds" color="#a3d6d2" > <dx-selection-style color="#ec2e7a"> <dx-hatching direction="none"/> </dx-selection-style> </dx-series> <dx-legend :visible="false"/> <dx-export :enabled="true"/> </dx-chart> </template> <script> import DxChart, { DxCommonSeriesSettings, DxSelectionStyle, DxHatching, DxSeries, DxLegend, DxExport } from 'devextreme-vue/chart'; import { catBreedsData } from './data.js'; export default { components: { DxChart, DxCommonSeriesSettings, DxSelectionStyle, DxHatching, DxSeries, DxLegend, DxExport }, data() { return { catBreedsData }; }, methods: { onDone({ component }) { component.getSeriesByPos(0).getPointsByArg('Siamese')[0].select(); }, onPointClick({ target: point }) { if (point.isSelected()) { point.clearSelection(); } else { point.select(); } } } }; </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/19.2.4/css/dx.common.css" /> <link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/19.2.4/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 catBreedsData = [{ breed: 'Domestic Shorthair', count: 61046 }, { breed: 'American Shorthair', count: 37545 }, { breed: 'Domestic Medium Hair', count: 16776 }, { breed: 'Domestic Long Hair', count: 15049 }, { breed: 'Siamese', count: 14582 }, { breed: 'Maine Coon', count: 10852 }, { breed: 'Persian', count: 6717 }, { breed: 'Russian Blue', count: 3864 }, { breed: 'Himalayan', count: 3701 }, { breed: 'Ragdoll', count: 3567 }, { breed: 'Bengal', count: 3118 }, { breed: 'Manx', count: 2349 }, { breed: 'British Shorthair', count: 2171 }, { breed: 'Norwegian Forest Cat', count: 1827 }, { breed: 'Bombay', count: 1580 }];
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:dx-systemjs-vue-browser@latest/index.js', 'devextreme': 'npm:devextreme@19.2', 'devextreme-vue': 'npm:devextreme-vue@19.2', jszip: 'npm:jszip@3.1.3/dist/jszip.min.js', 'quill': 'npm:quill@1.3.7/dist/quill.js', 'devexpress-diagram': 'npm:devexpress-diagram', 'devexpress-gantt': 'npm:devexpress-gantt', '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 } });