Step Area
This demo shows a step area series type. The primary difference between area and step area is that in step area series, data points are connected by perpendicular vertical and horizontal lines.
To create multiple area series, use the series array to declare each series and the commonSeriesSettings object to specify the common series type. In that object you can implement specific parameters to configure step area specifically. For example, this demo disables a border for all series.
www.wikipedia.org
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Backend API
<template>
<DxChart
id="chart"
:data-source="dataSource"
title="Australian Medal Count"
>
<DxSeries
value-field="bronze"
name="Bronze Medals"
color="#cd7f32"
/>
<DxSeries
value-field="silver"
name="Silver Medals"
color="#c0c0c0"
/>
<DxSeries
value-field="gold"
name="Gold Medals"
color="#ffd700"
/>
<DxCommonSeriesSettings
type="steparea"
argument-field="year"
>
<DxBorder :visible="false"/>
</DxCommonSeriesSettings>
<DxArgumentAxis :value-margins-enabled="false">
<DxLabel format="decimal"/>
</DxArgumentAxis>
<DxExport :enabled="true"/>
<DxLegend
vertical-alignment="bottom"
horizontal-alignment="center"
/>
</DxChart>
</template>
<script setup lang="ts">
import DxChart, {
DxArgumentAxis,
DxSeries,
DxCommonSeriesSettings,
DxLabel,
DxLegend,
DxBorder,
DxExport,
} from 'devextreme-vue/chart';
import { dataSource } 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@3.3.4/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@23.2.6/cjs',
'devextreme-vue': 'npm:devextreme-vue@23.2.6/cjs',
'jszip': 'npm:jszip@3.10.1/dist/jszip.min.js',
'devextreme-quill': 'npm:devextreme-quill@1.6.4/dist/dx-quill.min.js',
'devexpress-diagram': 'npm:devexpress-diagram@2.2.5/dist/dx-diagram.js',
'devexpress-gantt': 'npm:devexpress-gantt@4.1.54/dist/dx-gantt.js',
'@devextreme/runtime': 'npm:@devextreme/runtime@3.0.12',
'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@2.8.4/standalone.js',
'prettier/parser-html': 'npm:prettier@2.8.4/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@3.0.12/inferno/package.json',
],
babelOptions: {
sourceMaps: false,
stage0: true,
},
};
System.config(window.config);
export const dataSource = [{
year: 1896,
gold: 2,
silver: 0,
bronze: 0,
}, {
year: 1900,
gold: 2,
silver: 0,
bronze: 3,
}, {
year: 1904,
gold: 0,
silver: 0,
bronze: 0,
}, {
year: 1908,
gold: 1,
silver: 2,
bronze: 2,
}, {
year: 1912,
gold: 2,
silver: 2,
bronze: 3,
}, {
year: 1916,
gold: 0,
silver: 0,
bronze: 0,
}, {
year: 1920,
gold: 0,
silver: 2,
bronze: 1,
}, {
year: 1924,
gold: 3,
silver: 1,
bronze: 2,
}, {
year: 1928,
gold: 1,
silver: 2,
bronze: 1,
}, {
year: 1932,
gold: 3,
silver: 1,
bronze: 1,
}, {
year: 1936,
gold: 0,
silver: 0,
bronze: 1,
}, {
year: 1940,
gold: 0,
silver: 0,
bronze: 0,
}, {
year: 1944,
gold: 0,
silver: 0,
bronze: 0,
}, {
year: 1948,
gold: 2,
silver: 6,
bronze: 5,
}, {
year: 1952,
gold: 6,
silver: 2,
bronze: 3,
}, {
year: 1956,
gold: 13,
silver: 8,
bronze: 14,
}, {
year: 1960,
gold: 8,
silver: 8,
bronze: 6,
}, {
year: 1964,
gold: 6,
silver: 2,
bronze: 10,
}, {
year: 1968,
gold: 5,
silver: 7,
bronze: 5,
}, {
year: 1972,
gold: 8,
silver: 7,
bronze: 2,
}, {
year: 1976,
gold: 0,
silver: 1,
bronze: 4,
}, {
year: 1980,
gold: 2,
silver: 2,
bronze: 5,
}, {
year: 1984,
gold: 4,
silver: 8,
bronze: 12,
}, {
year: 1988,
gold: 3,
silver: 6,
bronze: 5,
}, {
year: 1992,
gold: 7,
silver: 9,
bronze: 11,
}, {
year: 1996,
gold: 9,
silver: 9,
bronze: 23,
}, {
year: 2000,
gold: 16,
silver: 25,
bronze: 17,
}, {
year: 2004,
gold: 17,
silver: 16,
bronze: 16,
}, {
year: 2008,
gold: 14,
silver: 15,
bronze: 17,
}, {
year: 2012,
gold: 8,
silver: 15,
bronze: 12,
}, {
year: 2016,
gold: 8,
silver: 11,
bronze: 10,
}];
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/23.2.6/css/dx.light.css" />
<script src="https://unpkg.com/typescript@4.2.4/lib/typescript.js"></script>
<script type="module">
import * as vueCompilerSFC from "https://unpkg.com/@vue/compiler-sfc@3.3.4/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>