Crosshair

Documentation

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.

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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> import { DxChart, DxCommonSeriesSettings, DxSeries, DxArgumentAxis, DxGrid, DxCrosshair, DxExport, DxLegend, DxPoint, DxLabel, DxFont, DxTitle, DxSubtitle, DxTooltip, } from 'devextreme-vue/chart'; import { energySources, countriesInfo } from './data.js'; export default { components: { DxChart, DxCommonSeriesSettings, DxSeries, DxArgumentAxis, DxGrid, DxCrosshair, DxExport, DxLegend, DxPoint, DxLabel, DxFont, DxTitle, DxSubtitle, DxTooltip, }, data() { return { countriesInfo, energySources, }; }, }; </script> <style> #chart { height: 440px; } </style>

import { createApp } from 'vue'; import App from './App.vue'; createApp(App).mount('#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/23.1.5/css/dx.light.css" /> <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.js"); </script> </head> <body class="dx-viewport"> <div class="demo-container"> <div id="app"> </div> </div> </body> </html>

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, }];