Discrete Axis Zooming and Panning

Documentation

Discrete data support is one of many strengths of the Chart component. In this example, you can zoom data in the Chart using another DevExtreme JavaScript UI component, the RangeSelector.

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Backend API

<template> <div> <div id="chart-demo"> <DxChart id="zoomedChart" :data-source="dataSource" palette="Soft" title="The Chemical Composition of the Earth Layers" > <DxSeries v-for="item in series" :value-field="item.valueField" :name="item.name" :key="item.name" /> <DxCommonSeriesSettings :ignore-empty-points="true" type="bar" /> <DxValueAxis> <DxLabel :customize-text="customizeText"/> </DxValueAxis> <DxArgumentAxis :visual-range="range"/> <DxLegend :visible="true" vertical-alignment="top" horizontal-alignment="right" orientation="horizontal" > <DxBorder :visible="true"/> </DxLegend> </DxChart> <DxRangeSelector :data-source="dataSource" v-model:value="range" > <DxSize :height="120"/> <DxMargin :left="10"/> <DxScale :minor-tick-count="1"/> <DxRsChart palette="Soft" > <DxRsChartSeries v-for="item in series" :value-field="item.valueField" :name="item.name" :key="item.name" /> <DxCommonSeriesSettingsOptions :ignore-empty-points="true" type="bar" /> </DxRsChart> <DxBehavior value-change-mode="onHandleMove"/> </DxRangeSelector> </div> </div> </template> <script> import { DxChart, DxValueAxis, DxArgumentAxis, DxLabel, DxLegend, DxBorder, DxCommonSeriesSettings, DxSeries, } from 'devextreme-vue/chart'; import { DxRangeSelector, DxSize, DxMargin, DxScale, DxChart as DxRsChart, DxBehavior, DxCommonSeriesSettings as DxCommonSeriesSettingsOptions, DxSeries as DxRsChartSeries, } from 'devextreme-vue/range-selector'; import { dataSource } from './data.js'; export default { components: { DxChart, DxValueAxis, DxArgumentAxis, DxLabel, DxLegend, DxBorder, DxRangeSelector, DxSize, DxMargin, DxScale, DxRsChart, DxBehavior, DxCommonSeriesSettings, DxCommonSeriesSettingsOptions, DxSeries, DxRsChartSeries, }, data() { return { dataSource, range: [], series: [{ name: 'Si', valueField: 'Si', }, { name: 'Fe', valueField: 'Fe', }, { name: 'Ni', valueField: 'Ni', }, { name: 'S', valueField: 'S', }, { name: 'O', valueField: 'O', }, { name: 'Mg', valueField: 'Mg', }, { name: 'Al', valueField: 'Al', }, { name: 'K', valueField: 'K', }, { name: 'Na', valueField: 'Na', }], }; }, methods: { customizeText({ valueText }) { return `${valueText}%`; }, }, }; </script> <style scoped> #zoomedChart { margin-bottom: 20px; } </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="dx-theme" data-theme="generic.light" 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 dataSource = [{ arg: 'Inner Core', Si: 7.35, Fe: 79.39, Ni: 5.2, S: 2.3, O: 4.1, }, { arg: 'Outer Core', Si: 7.33, Fe: 78.56, Ni: 5.2, S: 2.7, O: 4.2, }, { arg: 'Lower Mantle', Si: 21.5, Fe: 5.8, O: 44.8, Mg: 22.8, Al: 2.2, Ca: 2.3, Na: 0.3, K: 0.03, }, { arg: 'Upper Mantle', Si: 28.1, Mg: 23.2, Fe: 4.3, Al: 1.2, Ca: 2.2, O: 40.3, Na: 0.2, }, { arg: 'Lower Crust', O: 46.6, Si: 27.7, Al: 8.1, Fe: 5, Ca: 3.6, Na: 2.8, K: 2.6, Mg: 1.5, }, { arg: 'Upper Crust', O: 47, Si: 29.5, Al: 8.05, Fe: 4.66, Ca: 2.96, Na: 2.5, K: 2.5, Mg: 1.87, }];