DevExtreme v24.1 is now available.

Explore our newest features/capabilities and share your thoughts with us.

Your search did not match any results.

Update Linear Gauge Data at Runtime

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

Backend API
import React, { useCallback, useState } from 'react'; import { LinearGauge, Title, Font, Geometry, Scale, RangeContainer, Range, ValueIndicator, Label, } from 'devextreme-react/linear-gauge'; import { SelectBox, SelectBoxTypes } from 'devextreme-react/select-box'; import { cities, cityLabel } from './data.ts'; const customTicks = [900, 1000, 1020, 1100]; const temperatureGaugeStartValue = -40; const pressureLabelFormat = { type: 'decimal', }; function App() { const [selectBoxValue, setSelectBoxValue] = useState(cities[0].data); const [temperature, setTemperature] = useState(cities[0].data.temperature); const [humidity, setHumidity] = useState(cities[0].data.humidity); const [pressure, setPressure] = useState(cities[0].data.pressure); const onSelectionChanged = useCallback((e: SelectBoxTypes.SelectionChangedEvent) => { const weatherData = e.selectedItem.data; setSelectBoxValue(weatherData); setTemperature(weatherData.temperature); setHumidity(weatherData.humidity); setPressure(weatherData.pressure); }, [setSelectBoxValue, setTemperature, setHumidity, setPressure]); return ( <div> <div className="long-title"> <h3>Weather Indicators</h3> </div> <div id="gauge-demo"> <LinearGauge className="gauge-element" value={temperature} > <Title text="Temperature (°C)"> <Font size={16} /> </Title> <Geometry orientation="vertical" /> <Scale startValue={temperatureGaugeStartValue} endValue={40} tickInterval={40} /> <RangeContainer backgroundColor="none"> <Range startValue={temperatureGaugeStartValue} endValue={0} color="#679EC5" /> <Range startValue={0} endValue={40} /> </RangeContainer> </LinearGauge> <LinearGauge className="gauge-element" value={humidity} > <Title text="Humidity (%)"> <Font size={16} /> </Title> <Geometry orientation="vertical" /> <Scale startValue={0} endValue={100} tickInterval={10} /> <RangeContainer backgroundColor="#CACACA" /> <ValueIndicator type="rhombus" color="#A4DDED" /> </LinearGauge> <LinearGauge className="gauge-element" value={pressure} > <Title text="Barometric Pressure (mb)"> <Font size={16} /> </Title> <Geometry orientation="vertical" /> <Scale startValue={900} endValue={1100} customTicks={customTicks}> <Label format={pressureLabelFormat} /> </Scale> <RangeContainer> <Range startValue={900} endValue={1000} color="#679EC5" /> <Range startValue={1000} endValue={1020} color="#A6C567" /> <Range startValue={1020} endValue={1100} color="#E18E92" /> </RangeContainer> <ValueIndicator type="circle" color="#E3A857" /> </LinearGauge> </div> <SelectBox dataSource={cities} valueExpr="data" inputAttr={cityLabel} value={selectBoxValue} displayExpr="name" onSelectionChanged={onSelectionChanged} /> </div> ); } export default App;
import React, { useCallback, useState } from 'react'; import { LinearGauge, Title, Font, Geometry, Scale, RangeContainer, Range, ValueIndicator, Label, } from 'devextreme-react/linear-gauge'; import { SelectBox } from 'devextreme-react/select-box'; import { cities, cityLabel } from './data.js'; const customTicks = [900, 1000, 1020, 1100]; const temperatureGaugeStartValue = -40; const pressureLabelFormat = { type: 'decimal', }; function App() { const [selectBoxValue, setSelectBoxValue] = useState(cities[0].data); const [temperature, setTemperature] = useState(cities[0].data.temperature); const [humidity, setHumidity] = useState(cities[0].data.humidity); const [pressure, setPressure] = useState(cities[0].data.pressure); const onSelectionChanged = useCallback( (e) => { const weatherData = e.selectedItem.data; setSelectBoxValue(weatherData); setTemperature(weatherData.temperature); setHumidity(weatherData.humidity); setPressure(weatherData.pressure); }, [setSelectBoxValue, setTemperature, setHumidity, setPressure], ); return ( <div> <div className="long-title"> <h3>Weather Indicators</h3> </div> <div id="gauge-demo"> <LinearGauge className="gauge-element" value={temperature} > <Title text="Temperature (°C)"> <Font size={16} /> </Title> <Geometry orientation="vertical" /> <Scale startValue={temperatureGaugeStartValue} endValue={40} tickInterval={40} /> <RangeContainer backgroundColor="none"> <Range startValue={temperatureGaugeStartValue} endValue={0} color="#679EC5" /> <Range startValue={0} endValue={40} /> </RangeContainer> </LinearGauge> <LinearGauge className="gauge-element" value={humidity} > <Title text="Humidity (%)"> <Font size={16} /> </Title> <Geometry orientation="vertical" /> <Scale startValue={0} endValue={100} tickInterval={10} /> <RangeContainer backgroundColor="#CACACA" /> <ValueIndicator type="rhombus" color="#A4DDED" /> </LinearGauge> <LinearGauge className="gauge-element" value={pressure} > <Title text="Barometric Pressure (mb)"> <Font size={16} /> </Title> <Geometry orientation="vertical" /> <Scale startValue={900} endValue={1100} customTicks={customTicks} > <Label format={pressureLabelFormat} /> </Scale> <RangeContainer> <Range startValue={900} endValue={1000} color="#679EC5" /> <Range startValue={1000} endValue={1020} color="#A6C567" /> <Range startValue={1020} endValue={1100} color="#E18E92" /> </RangeContainer> <ValueIndicator type="circle" color="#E3A857" /> </LinearGauge> </div> <SelectBox dataSource={cities} valueExpr="data" inputAttr={cityLabel} value={selectBoxValue} displayExpr="name" onSelectionChanged={onSelectionChanged} /> </div> ); } export default App;
import React from 'react'; import ReactDOM from 'react-dom'; import App from './App.tsx'; ReactDOM.render( <App />, document.getElementById('app'), );
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, }, }]; export const cityLabel = { 'aria-label': 'City' };
window.exports = window.exports || {}; window.config = { transpiler: 'ts', typescriptOptions: { module: 'system', emitDecoratorMetadata: true, experimentalDecorators: true, jsx: 'react', }, meta: { 'react': { 'esModule': true, }, 'typescript': { 'exports': 'ts', }, 'devextreme/time_zone_utils.js': { 'esModule': true, }, 'devextreme/localization.js': { 'esModule': true, }, 'devextreme/viz/palette.js': { 'esModule': true, }, }, paths: { 'npm:': 'https://unpkg.com/', }, defaultExtension: 'js', map: { 'ts': 'npm:plugin-typescript@4.2.4/lib/plugin.js', 'typescript': 'npm:typescript@4.2.4/lib/typescript.js', 'react': 'npm:react@17.0.2/umd/react.development.js', 'react-dom': 'npm:react-dom@17.0.2/umd/react-dom.development.js', 'prop-types': 'npm:prop-types@15.8.1/prop-types.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@24.1.4/cjs', 'devextreme-react': 'npm:devextreme-react@24.1.4/cjs', 'jszip': 'npm:jszip@3.10.1/dist/jszip.min.js', 'devextreme-quill': 'npm:devextreme-quill@1.7.1/dist/dx-quill.min.js', 'devexpress-diagram': 'npm:devexpress-diagram@2.2.10/dist/dx-diagram.js', 'devexpress-gantt': 'npm:devexpress-gantt@4.1.56/dist/dx-gantt.js', '@devextreme/runtime': 'npm:@devextreme/runtime@3.0.13', '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', 'devextreme-cldr-data': 'npm:devextreme-cldr-data@1.0.3', // SystemJS plugins '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@2.8.8/standalone.js', 'prettier/parser-html': 'npm:prettier@2.8.8/parser-html.js', }, packages: { 'devextreme': { defaultExtension: 'js', }, 'devextreme-react': { main: 'index.js', }, 'devextreme/events/utils': { main: 'index', }, 'devextreme/localization/messages': { format: 'json', defaultExtension: 'json', }, 'devextreme/events': { main: 'index', }, 'es6-object-assign': { main: './index.js', defaultExtension: 'js', }, }, packageConfigPaths: [ 'npm:@devextreme/*/package.json', 'npm:@devextreme/runtime@3.0.13/inferno/package.json', ], babelOptions: { sourceMaps: false, stage0: true, react: true, }, }; System.config(window.config);
import React from 'react'; import ReactDOM from 'react-dom'; import App from './App.js'; ReactDOM.render(<App />, document.getElementById('app'));
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, }, }, ]; export const cityLabel = { 'aria-label': 'City' };
<!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="dx-theme" data-theme="generic.light" href="https://cdn3.devexpress.com/jslib/24.1.4/css/dx.light.css" /> <link rel="stylesheet" type="text/css" href="styles.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.tsx"); </script> </head> <body class="dx-viewport"> <div class="demo-container"> <div id="app"></div> </div> </body> </html>
#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; }