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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var DemoApp = angular.module('DemoApp', ['dx']);
DemoApp.controller('DemoController', function DemoController($scope) {
$scope.chartOptions = {
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="https://ajax.googleapis.com/ajax/libs/jquery/3.4.1/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/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://ajax.googleapis.com/ajax/libs/angularjs/1.3.16/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/19.1.6/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;
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
}];