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    Update Circular Gauge Data at Runtime

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    This demo illustrates how to bind an array of subvalues to the CircularGauge. Since an array can not be bound to a field as a regular value, it is bound as a computed one.

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    const DemoApp = angular.module('DemoApp', ['dx']); DemoApp.controller('DemoController', ($scope) => { $scope.value = dataSource[0].mean; $scope.subvalues = [dataSource[0].min, dataSource[0].max]; $scope.gaugeOptions = { bindingOptions: { value: 'value', subvalues: 'subvalues', }, scale: { startValue: 10, endValue: 40, tickInterval: 5, label: { customizeText(arg) { return `${arg.valueText} °C`; }, }, }, rangeContainer: { ranges: [ { startValue: 10, endValue: 20, color: '#0077BE' }, { startValue: 20, endValue: 30, color: '#E6E200' }, { startValue: 30, endValue: 40, color: '#77DD77' }, ], }, tooltip: { enabled: true }, title: { text: 'Temperature in the Greenhouse', font: { size: 28 }, }, }; $scope.selectBoxOptions = { width: 150, dataSource, displayExpr: 'name', value: dataSource[0], onValueChanged(e) { const { value } = e; $scope.value = value.mean; $scope.subvalues = [value.min, value.max]; }, }; });
    <!DOCTYPE html> <html xmlns="http://www.w3.org/1999/xhtml"> <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" /> <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.5.1/jquery.min.js"></script> <script>window.jQuery || document.write(decodeURIComponent('%3Cscript src="js/jquery.min.js"%3E%3C/script%3E'))</script> <link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/22.2.6/css/dx.light.css" /> <script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.8.2/angular.min.js"></script> <script>window.angular || document.write(decodeURIComponent('%3Cscript src="js/angular.min.js"%3E%3C/script%3E'))</script> <script src="https://cdn3.devexpress.com/jslib/22.2.6/js/dx.all.js"></script> <script src="data.js"></script> <link rel="stylesheet" type="text/css" href="styles.css" /> <script src="index.js"></script> </head> <body class="dx-viewport"> <div class="demo-container" ng-app="DemoApp" ng-controller="DemoController"> <div id="gauge-demo"> <div id="gauge" dx-circular-gauge="gaugeOptions"></div> <div id="seasons" dx-select-box="selectBoxOptions"></div> </div> </div> </body> </html>
    #gauge-demo { height: 440px; width: 100%; } #gauge { width: 80%; height: 100%; float: left; } #seasons { width: 20%; float: left; text-align: left; margin-top: 20px; }
    const dataSource = [{ name: 'Summer', mean: 35, min: 28, max: 38, }, { name: 'Autumn', mean: 24, min: 20, max: 32, }, { name: 'Winter', mean: 18, min: 16, max: 23, }, { name: 'Spring', mean: 27, min: 18, max: 31, }];