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.
Feel free to share demo-related thoughts here.
If you have technical questions, please create a support ticket in the DevExpress Support Center.
If you have technical questions, please create a support ticket in the DevExpress Support Center.
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We appreciate your feedback.
import React from 'react';
import {
Chart,
CommonSeriesSettings,
Series,
ArgumentAxis,
Grid,
Crosshair,
Export,
Legend,
Point,
Label,
Font,
Title,
Subtitle,
Tooltip,
} from 'devextreme-react/chart';
import { energySources, countriesInfo } from './data.js';
class App extends React.Component {
render() {
return (
<Chart
id="chart"
dataSource={countriesInfo}
>
<CommonSeriesSettings
type="spline"
argumentField="country"
>
<Point hoverMode="allArgumentPoints" />
</CommonSeriesSettings>
{
energySources.map((item) => <Series
key={item.value}
valueField={item.value}
name={item.name} />)
}
<ArgumentAxis
valueMarginsEnabled={false}
discreteAxisDivisionMode="crossLabels"
>
<Grid visible={true} />
</ArgumentAxis>
<Crosshair
enabled={true}
color="#949494"
width={3}
dashStyle="dot"
>
<Label
visible={true}
backgroundColor="#949494"
>
<Font
color="#fff"
size={12}
/>
</Label>
</Crosshair>
<Legend
verticalAlignment="bottom"
horizontalAlignment="center"
itemTextPosition="bottom"
equalColumnWidth={true}
/>
<Title text="Energy Consumption in 2004">
<Subtitle text="(Millions of Tons, Oil Equivalent)" />
</Title>
<Export enabled={true} />
<Tooltip enabled={true} />
</Chart>
);
}
}
export default App;
import React from 'react';
import ReactDOM from 'react-dom';
import App from './App.js';
ReactDOM.render(
<App />,
document.getElementById('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/22.2.6/css/dx.light.css" />
<link rel="stylesheet" type="text/css" href="styles.css" />
<script src="https://unpkg.com/core-js@2.6.12/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>
#chart {
height: 440px;
}
export const energySources = [
{ value: 'hydro', name: 'Hydro-electric' },
{ value: 'oil', name: 'Oil' },
{ value: 'gas', name: 'Natural gas' },
{ value: 'coal', name: 'Coal' },
{ value: 'nuclear', name: 'Nuclear' },
];
export const countriesInfo = [{
country: 'USA',
hydro: 60.2,
oil: 974.7,
gas: 550.5,
coal: 568.9,
nuclear: 203.7,
}, {
country: 'China',
hydro: 77.8,
oil: 304.5,
gas: 35,
coal: 899,
nuclear: 10.8,
}, {
country: 'Russia',
hydro: 38.5,
oil: 127.2,
gas: 349.5,
coal: 97.2,
nuclear: 30.5,
}, {
country: 'Japan',
hydro: 23.8,
oil: 227.4,
gas: 63.2,
coal: 118.6,
nuclear: 59.7,
}, {
country: 'India',
hydro: 18.7,
oil: 115.7,
gas: 30.6,
coal: 187,
nuclear: 3.5,
}, {
country: 'Germany',
hydro: 6.7,
oil: 120.5,
gas: 83.4,
coal: 86.6,
nuclear: 35.7,
}];
window.config = {
transpiler: 'plugin-babel',
meta: {
'devextreme/localization.js': {
'esModule': true,
},
},
paths: {
'npm:': 'https://unpkg.com/',
},
defaultExtension: 'js',
map: {
'react': 'npm:react@17.0.2/umd/react.development.js',
'react-dom': 'npm:react-dom@17.0.2/umd/react-dom.development.js',
'prop-types': 'npm:prop-types@15.8.1/prop-types.js',
'rrule': 'npm:rrule@2.6.4/dist/es5/rrule.js',
'luxon': 'npm:luxon@1.28.0/build/global/luxon.min.js',
'es6-object-assign': 'npm:es6-object-assign@1.1.0',
'devextreme': 'npm:devextreme@22.2.6/cjs',
'devextreme-react': 'npm:devextreme-react@22.2.6',
'jszip': 'npm:jszip@3.7.1/dist/jszip.min.js',
'devextreme-quill': 'npm:devextreme-quill@1.5.20/dist/dx-quill.min.js',
'devexpress-diagram': 'npm:devexpress-diagram@2.1.72/dist/dx-diagram.js',
'devexpress-gantt': 'npm:devexpress-gantt@4.1.43/dist/dx-gantt.js',
'@devextreme/runtime': 'npm:@devextreme/runtime@3.0.11',
'inferno': 'npm:inferno@7.4.11/dist/inferno.min.js',
'inferno-compat': 'npm:inferno-compat/dist/inferno-compat.min.js',
'inferno-create-element': 'npm:inferno-create-element@7.4.11/dist/inferno-create-element.min.js',
'inferno-dom': 'npm:inferno-dom/dist/inferno-dom.min.js',
'inferno-hydrate': 'npm:inferno-hydrate@7.4.11/dist/inferno-hydrate.min.js',
'inferno-clone-vnode': 'npm:inferno-clone-vnode/dist/inferno-clone-vnode.min.js',
'inferno-create-class': 'npm:inferno-create-class/dist/inferno-create-class.min.js',
'inferno-extras': 'npm:inferno-extras/dist/inferno-extras.min.js',
// SystemJS plugins
'plugin-babel': 'npm:systemjs-plugin-babel@0.0.25/plugin-babel.js',
'systemjs-babel-build': 'npm:systemjs-plugin-babel@0.0.25/systemjs-babel-browser.js',
// Prettier
'prettier/standalone': 'npm:prettier@2.8.4/standalone.js',
'prettier/parser-html': 'npm:prettier@2.8.4/parser-html.js',
},
packages: {
'devextreme': {
defaultExtension: 'js',
},
'devextreme-react': {
main: 'index.js',
},
'devextreme/events/utils': {
main: 'index',
},
'devextreme/events': {
main: 'index',
},
'es6-object-assign': {
main: './index.js',
defaultExtension: 'js',
},
},
packageConfigPaths: [
'npm:@devextreme/*/package.json',
'npm:@devextreme/runtime@3.0.11/inferno/package.json',
],
babelOptions: {
sourceMaps: false,
stage0: true,
react: true,
},
};
System.config(window.config);