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Gauges

Update Linear Gauge Data at Runtime

Documentation

This demo illustrates data binding in the LinearGauge widget. The bound data changes when a user selects a new location in the City drop-down menu.

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<template> <div> <div class="long-title"> <h3>Weather Indicators</h3> </div> <div id="gauge-demo"> <dx-linear-gauge id="temperatureGauge" :value="value.data.temperature" class="gauge-element" > <dx-title text="Temperature (°C)" > <dx-font :size="16" /> </dx-title> <dx-geometry orientation="vertical" /> <dx-scale :start-value="-40" :end-value="40" :tick-interval="40" /> <dx-range-container background-color="none" > <dx-range :start-value="-40" :end-value="0" color="#679EC5" /> <dx-range :start-value="0" :end-value="40" /> </dx-range-container> </dx-linear-gauge> <dx-linear-gauge id="humidityGauge" :value="value.data.humidity" class="gauge-element" > <dx-title text="Humidity (%)" > <dx-font :size="16" /> </dx-title> <dx-geometry orientation="vertical" /> <dx-scale :start-value="0" :end-value="100" :tick-interval="10" /> <dx-range-container background-color="#CACACA" /> <dx-value-indicator type="rhombus" color="#A4DDED" /> </dx-linear-gauge> <dx-linear-gauge id="pressureGauge" :value="value.data.pressure" class="gauge-element" > <dx-title text="Barometric Pressure (mb)" > <dx-font :size="16" /> </dx-title> <dx-geometry orientation="vertical" /> <dx-scale :start-value="900" :end-value="1100" :custom-ticks="customTicks" > <dx-label :format="pressureLabelFormat" /> </dx-scale> <dx-range-container> <dx-range :start-value="900" :end-value="1000" color="#679EC5" /> <dx-range :start-value="1000" :end-value="1020" color="#A6C567" /> <dx-range :start-value="1020" :end-value="1100" color="#E18E92" /> </dx-range-container> <dx-value-indicator type="circle" color="#E3A857" /> </dx-linear-gauge> </div> <dx-select-box id="selectbox" :data-source="cities" :value.sync="value" display-expr="name" /> </div> </template> <script> import { cities } from './data.js'; import { DxLinearGauge, DxTitle, DxFont, DxGeometry, DxScale, DxRangeContainer, DxRange, DxValueIndicator, DxLabel } from 'devextreme-vue/linear-gauge'; import { DxSelectBox } from 'devextreme-vue/select-box'; export default { components: { DxLinearGauge, DxTitle, DxFont, DxGeometry, DxScale, DxRangeContainer, DxRange, DxValueIndicator, DxLabel, DxSelectBox }, data() { return { cities: cities, value: cities[0], customTicks: [900, 1000, 1020, 1100], pressureLabelFormat: { type: 'decimal' } }; } }; </script> <style scoped> #gauge-demo { width: 90%; margin: 0 auto } #gauge-demo .gauge-element { height: 400px; width: 33%; float: left; } .dx-selectbox { margin: 10px auto 0; width: 200px; } #gauge-demo::after{ content: "."; display: block; clear: both; visibility: hidden; line-height: 0; height: 0; } .long-title h3 { font-weight: 200; font-size: 28px; text-align: center; margin-bottom: 20px; } </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/19.1.7/css/dx.common.css" /> <link rel="dx-theme" data-theme="generic.light" href="https://cdn3.devexpress.com/jslib/19.1.7/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"> <span v-if="false">Loading...</span> </div> </div> </body> </html>
export const cities = [{ name: 'London', id: '1', data: { temperature: 10, humidity: 81, pressure: 1002.1 } }, { name: 'Berlin', id: '2', data: { temperature: 14, humidity: 58, pressure: 1008.5 } }, { name: 'New York', id: '3', data: { temperature: 3, humidity: 89, pressure: 1016.2 } }, { name: 'Moscow', id: '4', data: { temperature: 2, humidity: 51, pressure: 1016.5 } }, { name: 'Bangkok', id: '5', data: { temperature: 37, humidity: 39, pressure: 1007.0 } }];
System.config({ transpiler: 'plugin-babel', paths: { 'npm:': 'https://unpkg.com/' }, map: { vue: 'npm:vue@2.5.16/dist/vue.esm.browser.js', 'vue-loader': 'npm:dx-systemjs-vue-browser@latest/index.js', 'devextreme': 'npm:devextreme@19.1', 'devextreme-vue': 'npm:devextreme-vue@19.1', jszip: 'npm:jszip@3.1.3/dist/jszip.min.js', 'quill': 'npm:quill@1.3.7/dist/quill.js', '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 } });