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Crosshair

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.

Backend API
<template> <DxChart id="chart" :data-source="countriesInfo" > <DxCommonSeriesSettings type="spline" argument-field="country" > <DxPoint hover-mode="allArgumentPoints"/> </DxCommonSeriesSettings> <DxSeries v-for="source in energySources" :key="source.value" :value-field="source.value" :name="source.name" /> <DxArgumentAxis :value-margins-enabled="false" discrete-axis-division-mode="crossLabels" > <DxGrid :visible="true"/> </DxArgumentAxis> <DxCrosshair :enabled="true" :width="3" color="#949494" dash-style="dot" > <DxLabel :visible="true" background-color="#949494" > <DxFont :size="12" color="#fff" /> </DxLabel> </DxCrosshair> <DxLegend :equal-column-width="true" vertical-alignment="bottom" horizontal-alignment="center" item-text-position="bottom" /> <DxTitle text="Energy Consumption in 2004"> <DxSubtitle text="(Millions of Tons, Oil Equivalent)"/> </DxTitle> <DxExport :enabled="true"/> <DxTooltip :enabled="true"/> </DxChart> </template> <script setup lang="ts"> import { DxChart, DxCommonSeriesSettings, DxSeries, DxArgumentAxis, DxGrid, DxCrosshair, DxExport, DxLegend, DxPoint, DxLabel, DxFont, DxTitle, DxSubtitle, DxTooltip, } from 'devextreme-vue/chart'; import { energySources, countriesInfo } from './data.ts'; </script> <style> #chart { 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, }, }, 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', '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 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, }];
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>