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Line Charts

Point Image

Documentation

This demo shows that the Chart can display custom images instead of standard point symbols.

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<template> <dx-chart id="chart" :data-source="iceHockeyStatistics" :customize-point="customizePoint" title="Canadian Men’s National Ice Hockey Team\n at the World Championships" > <dx-common-series-settings argument-field="year" value-field="place" type="spline" > <dx-point :visible="false"/> </dx-common-series-settings> <dx-series color="#888888"/> <dx-argument-axis :allow-decimals="false" :axis-division-factor="60" > <dx-grid :visible="true"/> <dx-label> <dx-format type="decimal"/> </dx-label> </dx-argument-axis> <dx-value-axis :inverted="true"> <dx-grid :visible="false"/> <dx-label :customize-text="customizeText"/> </dx-value-axis> <dx-export :enabled="true" :formats="exportFormats" /> <dx-legend :visible="false"/> </dx-chart> </template> <script> import { DxChart, DxCommonSeriesSettings, DxSeries, DxArgumentAxis, DxGrid, DxLabel, DxFormat, DxValueAxis, DxExport, DxLegend, DxPoint } from 'devextreme-vue/chart'; import { iceHockeyStatistics } from './data.js'; export default { components: { DxChart, DxCommonSeriesSettings, DxSeries, DxArgumentAxis, DxGrid, DxLabel, DxFormat, DxValueAxis, DxExport, DxLegend, DxPoint }, data() { return { iceHockeyStatistics, exportFormats: ['PNG', 'PDF', 'JPEG', 'GIF', 'SVG'] }; }, methods: { customizePoint({ value }) { if (value == 1) { return { image: { url: '../../../../images/icon-medal-gold.png', width: 20, height: 20 }, visible: true }; } else if (value == 2) { return { image: { url: '../../../../images/icon-medal-silver.png', width: 20, height: 20 }, visible: true }; } else if (value == 3) { return { image: { url: '../../../../images/icon-medal-bronse.png', width: 20, height: 20 }, visible: true }; } }, customizeText({ valueText }) { if (valueText == 1) { return `${valueText}st place`; } else if (valueText == 2) { return `${valueText}nd place`; } else if (valueText == 3) { return `${valueText}rd place`; } else { return `${valueText}th place`; } } } }; </script> <style> #chart { height: 440px; } </style>
import Vue from 'vue'; import App from './App.vue'; new Vue({ el: '#app', components: { App }, template: '<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/19.2.4/css/dx.common.css" /> <link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/19.2.4/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 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 }];
System.config({ transpiler: 'plugin-babel', paths: { 'npm:': 'https://unpkg.com/' }, map: { vue: 'npm:vue@2.6.3/dist/vue.esm.browser.js', 'vue-loader': 'npm:dx-systemjs-vue-browser@latest/index.js', 'devextreme': 'npm:devextreme@19.2', 'devextreme-vue': 'npm:devextreme-vue@19.2', jszip: 'npm:jszip@3.1.3/dist/jszip.min.js', 'quill': 'npm:quill@1.3.7/dist/quill.js', 'devexpress-diagram': 'npm:devexpress-diagram', 'devexpress-gantt': 'npm:devexpress-gantt', 'plugin-babel': 'npm:systemjs-plugin-babel@0/plugin-babel.js', 'systemjs-babel-build': 'npm:systemjs-plugin-babel@0/systemjs-babel-browser.js' }, meta: { '*.vue': { loader: 'vue-loader' } }, packages: { 'devextreme-vue': { main: 'index.js' }, 'devextreme': { defaultExtension: 'js' } }, babelOptions: { sourceMaps: false, stage0: true } });