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Vector Map

Bubble Markers

Documentation

This example demonstrates how you can flag specific locations on the VectorMap using markers of the «bubble» type. Marker size depends upon the attribute specified by the dataField option.

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<template> <dx-vector-map id="vector-map" :bounds="bounds" > <dx-layer :data-source="mapsWorld" :hover-enabled="false" name="areas" color-grouping-field="population" /> <dx-layer :data-source="markers" :size-groups="sizeGroups" :min-size="20" :max-size="40" :opacity="0.8" name="bubbles" element-type="bubble" data-field="value" /> <dx-legend :customize-items="customizeItems" :customize-text="customizeText" marker-shape="circle" > <dx-source layer="bubbles" grouping="size" /> </dx-legend> <dx-tooltip :enabled="true" :customize-tooltip="customizeTooltip" /> </dx-vector-map> </template> <script> import * as mapsData from 'devextreme/dist/js/vectormap-data/world.js'; import { DxVectorMap, DxLabel, DxLayer, DxLegend, DxSource, DxTooltip, } from 'devextreme-vue/vector-map'; import { markers } from './data.js'; export default { components: { DxVectorMap, DxLabel, DxLayer, DxLegend, DxSource, DxTooltip }, data() { return { markers, mapsWorld: mapsData.world, bounds: [-180, 85, 180, -60], sizeGroups: [0, 8000, 10000, 50000] }; }, methods: { customizeTooltip(info) { if (info.layer.type === 'marker') { return { text: info.attribute('tooltip') }; } }, customizeText({ index }) { return ['< 8000K', '8000K to 10000K', '> 10000K'][index]; }, customizeItems(items) { return items.reverse(); } } }; </script> <style> #vector-map { height: 440px; } </style>
import Vue from 'vue'; import App from './App.vue'; new Vue({ el: '#app', components: { App }, template: '<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/19.2.4/css/dx.common.css" /> <link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/19.2.4/css/dx.light.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>
export const markers = { type: 'FeatureCollection', features: [ { coordinates: [-74, 40.7], text: 'New York City', value: 8406 }, { coordinates: [100.47, 13.75], text: 'Bangkok', value: 8281 }, { coordinates: [44.43, 33.33], text: 'Baghdad', value: 7181 }, { coordinates: [37.62, 55.75], text: 'Moscow', value: 12111 }, { coordinates: [121.5, 31.2], text: 'Shanghai', value: 24150 }, { coordinates: [-43.18, -22.9], text: 'Rio de Janeiro', value: 6429 }, { coordinates: [31.23, 30.05], text: 'Cairo', value: 8922 }, { coordinates: [28.95, 41], text: 'Istanbul', value: 14160 }, { coordinates: [127, 37.55], text: 'Seoul', value: 10388 }, { coordinates: [139.68, 35.68], text: 'Tokyo', value: 9071 }, { coordinates: [103.83, 1.28], text: 'Singapore', value: 5399 }, { coordinates: [30.3, 59.95], text: 'Saint Petersburg', value: 5131 }, { coordinates: [28.03, -26.2], text: 'Johannesburg', value: 4434 }, { coordinates: [144.95, -37.8], text: 'Melbourne', value: 4252 } ].map(data => { return { type: 'Feature', geometry: { type: 'Point', coordinates: data.coordinates }, properties: { text: data.text, value: data.value, tooltip: `<b>${ data.text }</b>\n${ data.value }K` } }; }) };
System.config({ transpiler: 'plugin-babel', paths: { 'npm:': 'https://unpkg.com/' }, map: { vue: 'npm:vue@2.6.3/dist/vue.esm.browser.js', 'vue-loader': 'npm:dx-systemjs-vue-browser@latest/index.js', 'devextreme': 'npm:devextreme@19.2', 'devextreme/dist/js/vectormap-data': 'npm:devextreme@19.2/dist/js/vectormap-data', 'devextreme-vue': 'npm:devextreme-vue@19.2', jszip: 'npm:jszip@3.1.3/dist/jszip.min.js', 'quill': 'npm:quill@1.3.7/dist/quill.js', 'devexpress-diagram': 'npm:devexpress-diagram', 'devexpress-gantt': 'npm:devexpress-gantt', 'plugin-babel': 'npm:systemjs-plugin-babel@0/plugin-babel.js', 'systemjs-babel-build': 'npm:systemjs-plugin-babel@0/systemjs-babel-browser.js' }, meta: { '*.vue': { loader: 'vue-loader' }, 'devextreme/dist/js/vectormap-data/*': { esModule: true } }, packages: { 'devextreme-vue': { main: 'index.js' }, 'devextreme': { defaultExtension: 'js' } }, babelOptions: { sourceMaps: false, stage0: true } });