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Line Charts

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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<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/20.2.3/css/dx.common.css" /> <link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/20.2.3/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 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: 59.8, oil: 937.6, gas: 582, coal: 564.3, nuclear: 187.9 }, { country: 'China', hydro: 74.2, oil: 308.6, gas: 35.1, coal: 956.9, nuclear: 11.3 }, { country: 'Russia', hydro: 40, oil: 128.5, gas: 361.8, coal: 105, nuclear: 32.4 }, { country: 'Japan', hydro: 22.6, oil: 241.5, gas: 64.9, coal: 120.8, nuclear: 64.8 }, { country: 'India', hydro: 19, oil: 119.3, gas: 28.9, coal: 204.8, nuclear: 3.8 }, { country: 'Germany', hydro: 6.1, oil: 123.6, gas: 77.3, coal: 85.7, nuclear: 37.8 }];
System.config({ transpiler: 'plugin-babel', meta: { '*.vue': { loader: 'vue-loader' }, }, paths: { 'npm:': 'https://unpkg.com/' }, map: { 'vue': 'npm:vue@3.0.0/dist/vue.esm-browser.js', 'vue-loader': 'npm:dx-systemjs-vue-browser@1.0.15/index.js', 'mitt': 'npm:mitt/dist/mitt.umd.js', 'rrule': 'npm:rrule@2.6.6/dist/es5/rrule.js', 'luxon': 'npm:luxon@1.25.0/build/global/luxon.min.js', 'es6-object-assign': 'npm:es6-object-assign@1.1.0', 'devextreme': 'npm:devextreme@20.2.3', 'devextreme-vue': 'npm:devextreme-vue@20.2.3', 'jszip': 'npm:jszip@3.5.0/dist/jszip.min.js', 'devextreme-quill': 'npm:devextreme-quill@0.9.5/dist/dx-quill.min.js', 'devexpress-diagram': 'npm:devexpress-diagram@2.0.0/dist/dx-diagram.js', 'devexpress-gantt': 'npm:devexpress-gantt@2.0.0/dist/dx-gantt.js', 'preact': 'npm:preact@10.5.5/dist/preact.js', 'preact/hooks': 'npm:preact@10.5.5/hooks/dist/hooks.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' }, 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' } }, babelOptions: { sourceMaps: false, stage0: true } });