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Pie Markers

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 property.

Backend API
<template> <DxVectorMap id="vector-map" :bounds="bounds" > <DxLayer :data-source="mapsWorld" :hover-enabled="false" /> <DxLayer :data-source="markers" name="pies" element-type="pie" data-field="values" /> <DxLegend :customize-text="customizeText" > <DxSource layer="pies" grouping="color" /> </DxLegend> <DxTooltip :enabled="true" :customize-tooltip="customizeTooltip" /> </DxVectorMap> </template> <script setup lang="ts"> import * as mapsData from 'devextreme-dist/js/vectormap-data/world.js'; import { DxVectorMap, DxLayer, DxLegend, DxSource, DxTooltip, } from 'devextreme-vue/vector-map'; import { markers, names } from './data.ts'; const mapsWorld = mapsData.world; const bounds = [-180, 85, 180, -60]; const customizeTooltip = (info) => ((info.layer.type === 'marker') ? { text: info.attribute('tooltip') } : null); const customizeText = ({ index }) => names[index]; </script> <style> #vector-map { height: 440px; } </style>
window.exports = window.exports || {}; window.config = { transpiler: 'plugin-babel', meta: { '*.vue': { loader: 'vue-loader', }, '*.ts': { loader: 'demo-ts-loader', }, '*.svg': { loader: 'svg-loader', }, 'devextreme/time_zone_utils.js': { 'esModule': true, }, 'devextreme/localization.js': { 'esModule': true, }, 'devextreme/viz/palette.js': { 'esModule': true, }, 'devextreme-dist/js/vectormap-data/*': { 'esModule': true, }, }, paths: { 'root:': '../../../../', 'npm:': 'https://unpkg.com/', }, map: { 'vue': 'npm:vue@3.2.47/dist/vue.esm-browser.js', 'vue-loader': 'npm:dx-systemjs-vue-browser@1.1.1/index.js', 'demo-ts-loader': 'root:utils/demo-ts-loader.js', 'svg-loader': 'root:utils/svg-loader.js', 'devextreme-dist/js/vectormap-data': 'npm:devextreme-dist@24.1.3/js/vectormap-data', 'mitt': 'npm:mitt/dist/mitt.umd.js', 'rrule': 'npm:rrule@2.6.4/dist/es5/rrule.js', 'luxon': 'npm:luxon@1.28.1/build/global/luxon.min.js', 'es6-object-assign': 'npm:es6-object-assign@1.1.0', 'devextreme': 'npm:devextreme@24.1.3/cjs', 'devextreme-vue': 'npm:devextreme-vue@24.1.3/cjs', 'jszip': 'npm:jszip@3.10.1/dist/jszip.min.js', 'devextreme-quill': 'npm:devextreme-quill@1.7.1/dist/dx-quill.min.js', 'devexpress-diagram': 'npm:devexpress-diagram@2.2.8/dist/dx-diagram.js', 'devexpress-gantt': 'npm:devexpress-gantt@4.1.56/dist/dx-gantt.js', '@devextreme/runtime': 'npm:@devextreme/runtime@3.0.13', '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', '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@2.8.8/standalone.js', 'prettier/parser-html': 'npm:prettier@2.8.8/parser-html.js', }, packages: { 'devextreme-vue': { main: 'index.js', }, 'devextreme': { defaultExtension: '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@3.0.13/inferno/package.json', ], babelOptions: { sourceMaps: false, stage0: true, }, }; System.config(window.config);
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((data) => { const list = [`<span class='country'>${data.country}</span>`, '&nbsp;']; data.values.forEach((value, i) => { if (value > 0) { list.push(`${names[i]}: ${value}%`); } }); return { type: 'Feature', geometry: { type: 'Point', coordinates: data.coordinates, }, properties: { tooltip: list.join('\n'), values: data.values, }, }; }), };
import { createApp } from 'vue'; import App from './App.vue'; createApp(App).mount('#app');
<!DOCTYPE html> <html lang="en"> <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=5.0" /> <link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/24.1.3/css/dx.light.css" /> <script src="https://unpkg.com/typescript@4.9.5/lib/typescript.js"></script> <script type="module"> import * as vueCompilerSFC from "https://unpkg.com/@vue/compiler-sfc@3.4.16/dist/compiler-sfc.esm-browser.js"; window.vueCompilerSFC = vueCompilerSFC; </script> <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.ts"); </script> </head> <body class="dx-viewport"> <div class="demo-container"> <div id="app"></div> </div> </body> </html>