Vue Charts - Point Image

DevExtreme Chart can display custom images for series points. Specify the point.image object within common series or series settings to display these images.

Backend API

<template> <DxChart id="chart" :data-source="iceHockeyStatistics" :customize-point="customizePoint" :title="'Canadian Men’s National Ice Hockey Team\n at the World Championships'" > <DxCommonSeriesSettings argument-field="year" value-field="place" type="spline" > <DxPoint :visible="false"/> </DxCommonSeriesSettings> <DxSeries color="#888888"/> <DxArgumentAxis :allow-decimals="false" :axis-division-factor="60" > <DxGrid :visible="true"/> <DxLabel> <DxFormat type="decimal"/> </DxLabel> </DxArgumentAxis> <DxValueAxis :inverted="true"> <DxGrid :visible="false"/> <DxLabel :customize-text="customizeText"/> </DxValueAxis> <DxExport :enabled="true" :formats="exportFormats" /> <DxLegend :visible="false"/> </DxChart> </template> <script setup lang="ts"> import { DxChart, DxCommonSeriesSettings, DxSeries, DxArgumentAxis, DxGrid, DxLabel, DxFormat, DxValueAxis, DxExport, DxLegend, DxPoint, } from 'devextreme-vue/chart'; import type { ExportFormat } from 'devextreme/common'; import { iceHockeyStatistics } from './data.ts'; const exportFormats: ExportFormat[] = ['PNG', 'PDF', 'JPEG', 'GIF', 'SVG']; function customizePoint({ value }: { value: number }) { if (value === 1) { return { image: { url: '../../../../images/Charts/PointImage/icon-medal-gold.png', width: 20, height: 20 }, visible: true }; } if (value === 2) { return { image: { url: '../../../../images/Charts/PointImage/icon-medal-silver.png', width: 20, height: 20 }, visible: true }; } if (value === 3) { return { image: { url: '../../../../images/Charts/PointImage/icon-medal-bronse.png', width: 20, height: 20 }, visible: true }; } return {}; } function customizeText({ valueText }: { valueText: string }) { if (valueText === '1') { return `${valueText}st place`; } if (valueText === '2') { return `${valueText}nd place`; } if (valueText === '3') { return `${valueText}rd place`; } return `${valueText}th place`; } </script> <style> #chart { height: 440px; } </style>

export const iceHockeyStatistics = [{ year: 1977, place: 4, }, { year: 1978, place: 3, }, { year: 1979, place: 4, }, { year: 1981, place: 4, }, { year: 1982, place: 3, }, { year: 1983, place: 3, }, { year: 1985, place: 2, }, { year: 1986, place: 3, }, { year: 1987, place: 4, }, { year: 1989, place: 2, }, { year: 1990, place: 4, }, { year: 1991, place: 2, }, { year: 1992, place: 8, }, { year: 1993, place: 4, }, { year: 1994, place: 1, }, { year: 1995, place: 3, }, { year: 1996, place: 2, }, { year: 1997, place: 1, }, { year: 1998, place: 6, }, { year: 1999, place: 4, }, { year: 2000, place: 4, }, { year: 2001, place: 5, }, { year: 2002, place: 6, }, { year: 2003, place: 1, }, { year: 2004, place: 1, }, { year: 2005, place: 2, }, { year: 2006, place: 4, }, { year: 2007, place: 1, }, { year: 2008, place: 2, }, { year: 2009, place: 2, }, { year: 2010, place: 7, }, { year: 2011, place: 5, }, { year: 2012, place: 5, }, { year: 2013, place: 5, }];

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/26.1.5/css/dx.light.css" /> <link rel="stylesheet" type="text/css" href="./bundle.css" /> </head> <body class="dx-viewport"> <div class="demo-container"> <div id="app"> </div> </div> <script src="bundles/vendor/vue.vendor.js"></script> <script src="./bundle.js"></script> </body> </html>

This demo hides default point symbols and calls the customizePoint function to display images (based on point values).