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Line Charts

Crosshair

Documentation

In this example, the crosshair pointer is enabled and a custom style is applied to it. The crosshair pointer allows a user to determine the argument and the value of a specific point more precisely.

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const DemoApp = angular.module('DemoApp', ['dx']); DemoApp.controller('DemoController', ($scope) => { $scope.chartOptions = { dataSource, commonSeriesSettings: { argumentField: 'country', type: 'spline', point: { hoverMode: 'allArgumentPoints', }, }, argumentAxis: { valueMarginsEnabled: false, discreteAxisDivisionMode: 'crossLabels', grid: { visible: true, }, }, crosshair: { enabled: true, color: '#949494', width: 3, dashStyle: 'dot', label: { visible: true, backgroundColor: '#949494', font: { color: '#fff', size: 12, }, }, }, series: [ { valueField: 'hydro', name: 'Hydro-electric' }, { valueField: 'oil', name: 'Oil' }, { valueField: 'gas', name: 'Natural gas' }, { valueField: 'coal', name: 'Coal' }, { valueField: 'nuclear', name: 'Nuclear' }, ], legend: { verticalAlignment: 'bottom', horizontalAlignment: 'center', itemTextPosition: 'bottom', equalColumnWidth: true, }, title: { text: 'Energy Consumption in 2004', subtitle: { text: '(Millions of Tons, Oil Equivalent)', }, }, export: { enabled: true, }, tooltip: { enabled: true, }, }; });
<!DOCTYPE html> <html xmlns="http://www.w3.org/1999/xhtml"> <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" /> <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.5.1/jquery.min.js"></script> <script>window.jQuery || document.write(decodeURIComponent('%3Cscript src="js/jquery.min.js"%3E%3C/script%3E'))</script> <link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/21.2.3/css/dx.common.css" /> <link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/21.2.3/css/dx.light.css" /> <script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.8.2/angular.min.js"></script> <script>window.angular || document.write(decodeURIComponent('%3Cscript src="js/angular.min.js"%3E%3C/script%3E'))</script> <script src="https://cdn3.devexpress.com/jslib/21.2.3/js/dx.all.js"></script> <script src="data.js"></script> <link rel="stylesheet" type="text/css" href="styles.css" /> <script src="index.js"></script> </head> <body class="dx-viewport"> <div class="demo-container" ng-app="DemoApp" ng-controller="DemoController"> <div id="chart" dx-chart="chartOptions"></div> </div> </body> </html>
#chart { height: 440px; }
const dataSource = [{ country: 'USA', hydro: 59.8, oil: 937.6, gas: 582, coal: 564.3, nuclear: 187.9, }, { country: 'China', hydro: 74.2, oil: 308.6, gas: 35.1, coal: 956.9, nuclear: 11.3, }, { country: 'Russia', hydro: 40, oil: 128.5, gas: 361.8, coal: 105, nuclear: 32.4, }, { country: 'Japan', hydro: 22.6, oil: 241.5, gas: 64.9, coal: 120.8, nuclear: 64.8, }, { country: 'India', hydro: 19, oil: 119.3, gas: 28.9, coal: 204.8, nuclear: 3.8, }, { country: 'Germany', hydro: 6.1, oil: 123.6, gas: 77.3, coal: 85.7, nuclear: 37.8, }];