Pie Markers
Documentation
This demo shows how to use markers of the «pie» type in the VectorMap. Values for pie markers are provided by the data field whose name is assigned to the dataField option.
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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import React from 'react';
import VectorMap, {
Layer,
Legend,
Source,
Tooltip
} from 'devextreme-react/vector-map';
import * as mapsData from 'devextreme/dist/js/vectormap-data/world.js';
import { names, markers } from './data.js';
const bounds = [-180, 85, 180, -60];
export default function App() {
return (
<VectorMap
id="vector-map" bounds={bounds}>
<Layer
dataSource={mapsData.world}
hoverEnabled={false}>
</Layer>
<Layer
dataSource={markers}
name="pies"
elementType="pie"
dataField="values"
>
</Layer>
<Tooltip enabled={true}
customizeTooltip={customizeTooltip}
></Tooltip>
<Legend
customizeText={customizeText}>
<Source layer="pies" grouping="color"></Source>
</Legend>
<Tooltip enabled={true}
customizeTooltip={customizeTooltip} />
</VectorMap>
);
}
function customizeTooltip(arg) {
if (arg.layer.type === 'marker') {
return {
text: arg.attribute('tooltip')
};
}
}
function customizeText(arg) {
return names[arg.index];
}
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/20.1.6/css/dx.common.css" />
<link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/20.1.6/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>
#vector-map {
height: 440px;
}
export const names = ['Christian', 'Muslim', 'Unaffiliated', 'Buddhist', 'Jewish'];
export const markers = {
type: 'FeatureCollection',
features: [{
coordinates: [34.6, -5.1],
values: [61.4, 35.2, 1.4, 0, 0],
country: 'Tanzania'
}, {
coordinates: [18.8, 15],
values: [40.6, 55.3, 2.5, 0, 0],
country: 'Chad'
}, {
coordinates: [7.36, 9.97],
values: [49.3, 48.8, 0.4, 0, 0],
country: 'Nigeria'
}, {
coordinates: [135.61, -24.57],
values: [67.3, 2.4, 24.2, 2.7, 0.5],
country: 'Australia'
}, {
coordinates: [103.3, 34.85],
values: [5.1, 1.8, 52.2, 18.2, 0],
country: 'China'
}, {
coordinates: [139.5, 37],
values: [1.6, 0.2, 57, 36.2, 0],
country: 'Japan'
}, {
coordinates: [100.8, 15.9],
values: [0.9, 5.5, 0.3, 93.2, 0],
country: 'Thailand'
}, {
coordinates: [10.4, 51.4],
values: [68.7, 5.8, 24.7, 0.3, 0.3],
country: 'Germany'
}, {
coordinates: [100.8, 65.3],
values: [73.3, 10, 16.2, 0.1, 0.2],
country: 'Russia'
}, {
coordinates: [-3.48, 40.36],
values: [78.6, 2.1, 19, 0, 0.1],
country: 'Spain'
}, {
coordinates: [-78.01, 21.72],
values: [59.2, 0, 23, 0, 0],
country: 'Cuba'
}, {
coordinates: [-63.7, -31.92],
values: [85.2, 1, 12.2, 0.05, 0.5],
country: 'Argentina'
}, {
coordinates: [-110.53, 60.78],
values: [69, 2.1, 23.7, 0.5, 0.3],
country: 'Canada'
}, {
coordinates: [-100.1, 40.14],
values: [78.3, 0.9, 16.4, 1.2, 1.8],
country: 'United States'
}, {
coordinates: [34.88, 31.16],
values: [2, 18.6, 3.1, 0.3, 75.6],
country: 'Israel'
}].map(function(data) {
let list = [`<span class='country'>${ data.country }</span>`, ' '];
data.values.forEach(function(value, i) {
if (value > 0) {
list.push(`${names[i] }: ${ value }%`);
}
});
return {
type: 'Feature',
geometry: {
type: 'Point',
coordinates: data.coordinates
},
properties: {
tooltip: list.join('\n'),
values: data.values
}
};
})
};
System.config({
transpiler: 'plugin-babel',
meta: {
'devextreme/dist/js/vectormap-data/*': {
'esModule': true
},
},
paths: {
'npm:': 'https://unpkg.com/'
},
defaultExtension: 'js',
map: {
'react': 'npm:react@16/umd/react.development.js',
'react-dom': 'npm:react-dom@16/umd/react-dom.development.js',
'prop-types': 'npm:prop-types/prop-types.js',
'devextreme/dist/js/vectormap-data': 'npm:devextreme@20.1/dist/js/vectormap-data',
'devextreme': 'npm:devextreme@20.1',
'devextreme-react': 'npm:devextreme-react@20.1',
'jszip': 'npm:jszip@3.1.3/dist/jszip.min.js',
'quill': 'npm:quill@1.3.7/dist/quill.js',
'devexpress-diagram': 'npm:devexpress-diagram@1.0.9',
'devexpress-gantt': 'npm:devexpress-gantt@1.0.7',
// SystemJS plugins
'plugin-babel': 'npm:systemjs-plugin-babel@0/plugin-babel.js',
'systemjs-babel-build': 'npm:systemjs-plugin-babel@0/systemjs-babel-browser.js'
},
packages: {
'devextreme': {
defaultExtension: 'js'
},
'devextreme-react': {
main: 'index.js'
},
'devextreme/events/utils': {
main: 'index'
},
'devextreme/events': {
main: 'index'
},
},
babelOptions: {
sourceMaps: false,
stage0: true,
react: true
}
});