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Line Charts

Crosshair

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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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$(function(){ $("#chart").dxChart({ dataSource: 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, customizeTooltip: function () { return this.valueText; } } }); });
<!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="js/jquery-3.1.0.min.js"></script> <link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/17.2.3/css/dx.spa.css" /> <link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/17.2.3/css/dx.common.css" /> <link rel="dx-theme" data-theme="generic.light" href="https://cdn3.devexpress.com/jslib/17.2.3/css/dx.light.css" /> <script src="https://cdn3.devexpress.com/jslib/17.2.3/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"> <div id="chart"></div> </div> </body> </html>
#chart { height: 440px; width: 100%; }
var 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 }];