Point Image
Documentation
This demo shows that the Chart can display custom images instead of standard point symbols.
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.
Thank you!
We appreciate your feedback.
We appreciate your feedback.
import React from 'react';
import {
Chart,
CommonSeriesSettings,
Series,
ArgumentAxis,
Grid,
Label,
Format,
ValueAxis,
Export,
Legend,
Point
} from 'devextreme-react/chart';
import { iceHockeyStatistics } from './data.js';
const exportFormats = ['PNG', 'PDF', 'JPEG', 'GIF', 'SVG'];
class App extends React.Component {
render() {
return (
<Chart
id="chart"
dataSource={iceHockeyStatistics}
title={'Canadian Men’s National Ice Hockey Team\n at the World Championships'}
customizePoint={this.customizePoint}
>
<CommonSeriesSettings
argumentField="year"
valueField="place"
type="spline"
>
<Point visible={false} />
</CommonSeriesSettings>
<Series color="#888888" />
<ArgumentAxis
allowDecimals={false}
axisDivisionFactor={60}
>
<Grid visible={true} />
<Label>
<Format type="decimal" />
</Label>
</ArgumentAxis>
<ValueAxis inverted={true}>
<Grid visible={false} />
<Label customizeText={this.customizeText} />
</ValueAxis>
<Export
enabled={true}
formats={exportFormats}
/>
<Legend visible={false} />
</Chart>
);
}
customizePoint() {
if (this.value == 1) {
return { image: { url: '../../../../images/Charts/PointImage/icon-medal-gold.png', width: 20, height: 20 }, visible: true };
} else if (this.value == 2) {
return { image: { url: '../../../../images/Charts/PointImage/icon-medal-silver.png', width: 20, height: 20 }, visible: true };
} else if (this.value == 3) {
return { image: { url: '../../../../images/Charts/PointImage/icon-medal-bronse.png', width: 20, height: 20 }, visible: true };
}
}
customizeText() {
if (this.valueText == 1) {
return `${this.valueText}st place`;
} else if (this.valueText == 2) {
return `${this.valueText}nd place`;
} else if (this.valueText == 3) {
return `${this.valueText}rd place`;
} else {
return `${this.valueText}th place`;
}
}
}
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/20.2.7/css/dx.common.css" />
<link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/20.2.7/css/dx.light.css" />
<link rel="stylesheet" type="text/css" href="styles.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>
#chart {
height: 440px;
}
export const iceHockeyStatistics = [{
year: 1977,
place: 4
}, {
year: 1978,
place: 3
}, {
year: 1979,
place: 4
}, {
year: 1981,
place: 4
}, {
year: 1982,
place: 3
}, {
year: 1983,
place: 3
}, {
year: 1985,
place: 2
}, {
year: 1986,
place: 3
}, {
year: 1987,
place: 4
}, {
year: 1989,
place: 2
}, {
year: 1990,
place: 4
}, {
year: 1991,
place: 2
}, {
year: 1992,
place: 8
}, {
year: 1993,
place: 4
}, {
year: 1994,
place: 1
}, {
year: 1995,
place: 3
}, {
year: 1996,
place: 2
}, {
year: 1997,
place: 1
}, {
year: 1998,
place: 6
}, {
year: 1999,
place: 4
}, {
year: 2000,
place: 4
}, {
year: 2001,
place: 5
}, {
year: 2002,
place: 6
}, {
year: 2003,
place: 1
}, {
year: 2004,
place: 1
}, {
year: 2005,
place: 2
}, {
year: 2006,
place: 4
}, {
year: 2007,
place: 1
}, {
year: 2008,
place: 2
}, {
year: 2009,
place: 2
}, {
year: 2010,
place: 7
}, {
year: 2011,
place: 5
}, {
year: 2012,
place: 5
}, {
year: 2013,
place: 5
}];
System.config({
transpiler: 'plugin-babel',
meta: {
'devextreme/localization.js': {
"esModule": true
},
},
paths: {
'npm:': 'https://unpkg.com/'
},
defaultExtension: 'js',
map: {
'react': 'npm:react@16.14.0/umd/react.development.js',
'react-dom': 'npm:react-dom@16.14.0/umd/react-dom.development.js',
'prop-types': 'npm:prop-types@15.7.2/prop-types.js',
'rrule': 'npm:rrule@2.6.6/dist/es5/rrule.js',
'luxon': 'npm:luxon@1.26.0/build/global/luxon.min.js',
'es6-object-assign': 'npm:es6-object-assign@1.1.0',
'devextreme': 'npm:devextreme@20.2.7',
'devextreme-react': 'npm:devextreme-react@20.2.7',
'jszip': 'npm:jszip@3.6.0/dist/jszip.min.js',
'devextreme-quill': 'npm:devextreme-quill@0.10.3/dist/dx-quill.min.js',
'devexpress-diagram': 'npm:devexpress-diagram@2.0.23/dist/dx-diagram.js',
'devexpress-gantt': 'npm:devexpress-gantt@2.0.29/dist/dx-gantt.js',
'preact': 'npm:preact@10.5.13/dist/preact.js',
'preact/hooks': 'npm:preact@10.5.13/hooks/dist/hooks.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'
},
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'
}
},
babelOptions: {
sourceMaps: false,
stage0: true,
react: true
}
});