An object that defines configuration properties for the LinearGauge UI component.
Specifies animation properties.
Selector: DxAnimation
Type: viz/gauges/base_gauge:BaseGaugeAnimation
To make your gauge "live", enable animation for it by setting the enabled property of the animation object to true. In this instance, the gauge indicators will appear in motion. In addition, within the animation object, you can set an appropriate easing mode using the easing property and specify how long the animation should run using the duration property.
jQuery$(function() { $("#linearGaugeContainer").dxLinearGauge({ // ... animation: { easing: "linear", duration: 500 } }); });Angular
<dx-linear-gauge ... > <dxo-animation easing="linear" [duration]="500"> </dxo-animation> </dx-linear-gauge>
import { Component } from '@angular/core'; @Component({ selector: 'app-root', templateUrl: './app.component.html', styleUrls: ['./app.component.css'] }) export class AppComponent { // ... }
import { BrowserModule } from '@angular/platform-browser'; import { NgModule } from '@angular/core'; import { AppComponent } from './app.component'; import { DxLinearGaugeModule } from 'devextreme-angular'; @NgModule({ declarations: [ AppComponent ], imports: [ BrowserModule, DxLinearGaugeModule ], providers: [ ], bootstrap: [AppComponent] }) export class AppModule { }Vue
<template> <DxLinearGauge ... > <DxAnimation easing="linear" :duration="500" /> </DxLinearGauge> </template> <script> import 'devextreme/dist/css/dx.light.css'; import DxLinearGauge, { DxAnimation } from 'devextreme-vue/linear-gauge'; export default { components: { DxLinearGauge, DxAnimation }, // ... } </script>React
import React from 'react'; import 'devextreme/dist/css/dx.light.css'; import LinearGauge, { Animation } from 'devextreme-react/linear-gauge'; class App extends React.Component { render() { return ( <LinearGauge ... > <Animation easing="linear" duration={500} /> </LinearGauge> ); } } export default App;ASP.NET MVC Controls
@(Html.DevExtreme().LinearGauge() @* ... *@ .Animation(a => a .Easing(VizAnimationEasing.Linear) .Duration(500) ) )
Specifies the color of the parent page element.
Selector: container-background-color
Default Value: 'none'
Set this property to the color of the parent page element. Certain elements of the UI component will use this color so that they coordinate with the page. Currently, different auxiliary separators use the container background color, so there is no need to set a custom color for them.
This property supports the following colors:
Specifies whether the UI component responds to user interaction.
Default Value: false
Cannot be used in themes.
Specifies the global attributes to be attached to the UI component's container element.
Selector: DxElementAttr
Default Value: {}
jQuery$(function(){ $("#linearGaugeContainer").dxLinearGauge({ // ... elementAttr: { id: "elementId", class: "class-name" } }); });Angular
<dx-linear-gauge ... [elementAttr]="{ id: 'elementId', class: 'class-name' }"> </dx-linear-gauge>
import { DxLinearGaugeModule } from "devextreme-angular"; // ... export class AppComponent { // ... } @NgModule({ imports: [ // ... DxLinearGaugeModule ], // ... })Vue
<template> <DxLinearGauge ... :element-attr="linearGaugeAttributes"> </DxLinearGauge> </template> <script> import DxLinearGauge from 'devextreme-vue/linear-gauge'; export default { components: { DxLinearGauge }, data() { return { linearGaugeAttributes: { id: 'elementId', class: 'class-name' } } } } </script>React
import React from 'react'; import LinearGauge from 'devextreme-react/linear-gauge'; class App extends React.Component { linearGaugeAttributes = { id: 'elementId', class: 'class-name' } render() { return ( <LinearGauge ... elementAttr={this.linearGaugeAttributes}> </LinearGauge> ); } } export default App;
Configures the exporting and printing features.
Selector: DxExport
Type: viz/core/base_widget:BaseWidgetExport
Specifies the properties required to set the geometry of the LinearGauge UI component.
Configures the loading indicator.
Selector: DxLoadingIndicator
Type: viz/gauges/base_gauge:BaseGaugeLoadingIndicator
When the UI component is bound to a remote data source, it can display a loading indicator while data is loading.
To change the loading indicator's visibility, use the show property or the showLoadingIndicator() and hideLoadingIndicator() methods.
Generates space around the UI component.
Selector: DxMargin
Type: viz/core/base_widget:BaseWidgetMargin
jQuery$(function() { $("#linearGaugeContainer").dxLinearGauge({ // ... margin: { top: 20, bottom: 20, left: 30, right: 30 } }); });Angular
<dx-linear-gauge ... > <dxo-margin [top]="20" [bottom]="20" [left]="30" [right]="30"> </dxo-margin> </dx-linear-gauge>
import { Component } from '@angular/core'; @Component({ selector: 'app-root', templateUrl: './app.component.html', styleUrls: ['./app.component.css'] }) export class AppComponent { // ... }
import { BrowserModule } from '@angular/platform-browser'; import { NgModule } from '@angular/core'; import { AppComponent } from './app.component'; import { DxLinearGaugeModule } from 'devextreme-angular'; @NgModule({ declarations: [ AppComponent ], imports: [ BrowserModule, DxLinearGaugeModule ], providers: [ ], bootstrap: [AppComponent] }) export class AppModule { }Vue
<template> <DxLinearGauge ... > <DxMargin :top="20" :bottom="20" :left="30" :right="30" /> </DxLinearGauge> </template> <script> import 'devextreme/dist/css/dx.light.css'; import DxLinearGauge, { DxMargin } from 'devextreme-vue/linear-gauge'; export default { components: { DxLinearGauge, DxMargin }, // ... } </script>React
import React from 'react'; import 'devextreme/dist/css/dx.light.css'; import LinearGauge, { Margin } from 'devextreme-react/linear-gauge'; class App extends React.Component { render() { return ( <LinearGauge ... > <Margin top={20} bottom={20} left={30} right={30} /> </LinearGauge> ); } } export default App;
A function that is executed before the UI component is disposed of.
Selector: @disposing
Function parameters:Information about the event.
Object structure:
Default Value: null
A function that is executed when the UI component's rendering has finished.
Selector: @drawn
Function parameters:Information about the event.
Object structure:
Default Value: null
Cannot be used in themes.
A function that is executed after the UI component is exported.
Selector: @exported
Function parameters:Information about the event.
Object structure:
Default Value: null
A function that is executed before the UI component is exported.
Selector: @exporting
Function parameters:Information about the event.
Object structure:
Name Type Description formatThe resulting file format. One of PNG, PDF, JPEG, SVG and GIF.
fileNameThe name of the file to which the UI component is about to be exported.
elementThe UI component's container. It is an HTML Element or a jQuery Element when you use jQuery.
componentThe UI component's instance.
Default Value: null
A function that is executed before a file with exported UI component is saved to the user's local storage.
Selector: @file-saving
Function parameters:Information about the event.
Object structure:
Name Type Description formatThe format of the file to be saved.
Possible Values: 'PNG' | 'PDF' | 'JPEG' | 'SVG' | 'GIF'
The name of the file to be saved.
elementThe UI component's container. It is an HTML Element or a jQuery Element when you use jQuery.
dataExported data as a BLOB.
componentThe UI component's instance.
cancelAllows you to prevent file saving.
Default Value: null
A function that is executed when an error or warning occurs.
Selector: @incident-occurred
Function parameters:Information about the event.
Object structure:
Default Value: null
The UI component notifies you of errors and warnings by passing messages to the browser console. Each message contains the incident's ID, a brief description, and a link to the Errors and Warnings section where further information about this incident can be found.
The onIncidentOccurred function allows you to handle errors and warnings the way you require. The object passed to it contains the target field. This field provides information about the occurred incident and contains the following properties:
A function used in JavaScript frameworks to save the UI component instance.
Selector: @initialized
Function parameters:Information about the event.
Object structure:
Default Value: null
Angular<dx-linear-gauge ... (onInitialized)="saveInstance($event)"> </dx-linear-gauge>
import { Component } from "@angular/core"; import LinearGauge from "devextreme/ui/data_grid"; // ... export class AppComponent { linearGaugeInstance: LinearGauge; saveInstance (e) { this.linearGaugeInstance = e.component; } }Vue
App.vue (Composition API)
<template> <div> <DxLinearGauge ... @initialized="saveInstance"> </DxLinearGauge> </div> </template> <script> import DxLinearGauge from 'devextreme-vue/linear-gauge'; export default { components: { DxLinearGauge }, data: function() { return { linearGaugeInstance: null }; }, methods: { saveInstance: function(e) { this.linearGaugeInstance = e.component; } } }; </script>
<template> <div> <DxLinearGauge ... @initialized="saveInstance"> </DxLinearGauge> </div> </template> <script setup> import DxLinearGauge from 'devextreme-vue/linear-gauge'; let linearGaugeInstance = null; const saveInstance = (e) => { linearGaugeInstance = e.component; } </script>React
import LinearGauge from 'devextreme-react/linear-gauge'; class App extends React.Component { constructor(props) { super(props); this.saveInstance = this.saveInstance.bind(this); } saveInstance(e) { this.linearGaugeInstance = e.component; } render() { return ( <div> <LinearGauge onInitialized={this.saveInstance} /> </div> ); } }See Also jQuery
A function that is executed after a UI component property is changed.
Selector: @option-changed
Function parameters:Information about the event.
Object structure:
Name Type Description value anyThe modified property's new value.
previousValue anyThe UI component's previous value.
nameThe modified property if it belongs to the first level. Otherwise, the first-level property it is nested into.
fullNameThe path to the modified property that includes all parent properties.
elementThe UI component's container. It is an HTML Element or a jQuery Element when you use jQuery.
componentThe UI component's instance.
Default Value: null
The following example shows how to subscribe to component property changes:
jQuery$(function() { $("#linearGaugeContainer").dxLinearGauge({ // ... onOptionChanged: function(e) { if(e.name === "changedProperty") { // handle the property change here } } }); });Angular
<dx-linear-gauge ... (onOptionChanged)="handlePropertyChange($event)"> </dx-linear-gauge>
import { Component } from '@angular/core'; @Component({ selector: 'app-root', templateUrl: './app.component.html', styleUrls: ['./app.component.css'] }) export class AppComponent { // ... handlePropertyChange(e) { if(e.name === "changedProperty") { // handle the property change here } } }
import { BrowserModule } from '@angular/platform-browser'; import { NgModule } from '@angular/core'; import { AppComponent } from './app.component'; import { DxLinearGaugeModule } from 'devextreme-angular'; @NgModule({ declarations: [ AppComponent ], imports: [ BrowserModule, DxLinearGaugeModule ], providers: [ ], bootstrap: [AppComponent] }) export class AppModule { }Vue
<template> <DxLinearGauge ... @option-changed="handlePropertyChange" /> </template> <script> import 'devextreme/dist/css/dx.light.css'; import DxLinearGauge from 'devextreme-vue/linear-gauge'; export default { components: { DxLinearGauge }, // ... methods: { handlePropertyChange: function(e) { if(e.name === "changedProperty") { // handle the property change here } } } } </script>React
import React from 'react'; import 'devextreme/dist/css/dx.light.css'; import LinearGauge from 'devextreme-react/linear-gauge'; const handlePropertyChange = (e) => { if(e.name === "changedProperty") { // handle the property change here } } export default function App() { return ( <LinearGauge ... onOptionChanged={handlePropertyChange} /> ); }
A function that is executed when a tooltip becomes hidden.
Selector: @tooltip-hidden
Function parameters:Information about the event.
Object structure:
Name Type Description targetInformation on the (sub)value indicator being pressed or hovered over with the mouse pointer. Contains the type ("value-indicator" or "subvalue-indicator") and index (undefined for value indicators) fields.
elementThe UI component's container. It is an HTML Element or a jQuery Element when you use jQuery.
componentThe UI component's instance.
Default Value: null
Cannot be used in themes.
A function that is executed when a tooltip appears.
Selector: @tooltip-shown
Function parameters:Information about the event.
Object structure:
Name Type Description targetInformation on the (sub)value indicator being pressed or hovered over with the mouse pointer. Contains the type ("value-indicator" or "subvalue-indicator") and index (undefined for value indicators) fields.
elementThe UI component's container. It is an HTML Element or a jQuery Element when you use jQuery.
componentThe UI component's instance.
Default Value: null
Cannot be used in themes.
Notifies the UI component that it is embedded into an HTML page that uses a tag modifying the path.
Selector: path-modified
Default Value: false
Cannot be used in themes.
If you place the UI component on a page that uses a tag modifying the path (<base>
, <iframe>
, etc.), some of the UI component elements may get mixed up or disappear. To solve this problem, set the pathModified property to true.
Specifies gauge range container properties.
Selector: DxRangeContainer
For the purpose of more intelligible data visualization, you can combine values into ranges and color each range differently. For instance, you can indicate the range of warm and cold temperatures. To set the ranges, assign an array of objects defining the ranges to the ranges property of the rangeContainer configuration object. In addition, you can specify the orientation of the ranges relative to an invisible scale line, and an offset from this line using the rangeContainer properties.
Specifies whether to redraw the UI component when the size of the container changes or a mobile device rotates.
Selector: redraw-on-resize
Default Value: true
Cannot be used in themes.
When this property is set to true
, the UI component will be redrawn automatically in case the size of its container changes.
Switches the UI component to a right-to-left representation.
Selector: rtl-enabled
Default Value: false
Cannot be used in themes.
When this property is set to true, the UI component text flows from right to left, and the layout of elements is reversed. To switch the entire application/site to the right-to-left representation, assign true to the rtlEnabled field of the object passed to the DevExpress.config(config) method.
DevExpress.config({ rtlEnabled: true });
In a right-to-left representation, SVG elements have the
directionattribute with the
rtlvalue. This might cause problems when rendering left-to-right texts. Use this property if you have only right-to-left texts.
Specifies the gauge's scale properties.
To divide a scale, set its startValue and endValue properties. The scale's major and minor ticks will be calculated automatically. Major ticks will be shown by default. To show minor ticks, set their visible property to true. You can set custom major and minor tick intervals, show custom major and minor ticks, and format tick labels. These and other scale properties are available in the scale configuration object.
Specifies the UI component's size in pixels. The default value depends on the component's orientation.
Selector: DxSize
Type: viz/core/base_widget:BaseWidgetSize
Default Value: {height: 100, width: 300} | {height: 300, width: 100}
The default size of the component depends on the geometry.orientation property value:
{ height: 100, width: 300 }
{ height: 300, width: 100 }
You can specify a custom width and height for the component:
Fixed Relative Assign values to the size object's height and width properties or specify a container for the component. Specify a container for the component. The component occupies the container area.The size object has priority over the container.
Assign 0 to the size object's height and width properties to hide the component.
jQuery$(function() { $("#linearGaugeContainer").dxLinearGauge({ // ... size: { height: 300, width: 600 } }); });Angular
<dx-linear-gauge ... > <dxo-size [height]="300" [width]="600"> </dxo-size> </dx-linear-gauge>
import { Component } from '@angular/core'; @Component({ selector: 'app-root', templateUrl: './app.component.html', styleUrls: ['./app.component.css'] }) export class AppComponent { // ... }
import { BrowserModule } from '@angular/platform-browser'; import { NgModule } from '@angular/core'; import { AppComponent } from './app.component'; import { DxLinearGaugeModule } from 'devextreme-angular'; @NgModule({ declarations: [ AppComponent ], imports: [ BrowserModule, DxLinearGaugeModule ], providers: [ ], bootstrap: [AppComponent] }) export class AppModule { }Vue
<template> <DxLinearGauge ... > <DxSize :height="300" :width="600" /> </DxLinearGauge> </template> <script> import DxLinearGauge, { DxSize } from 'devextreme-vue/linear-gauge'; export default { components: { DxLinearGauge, DxSize }, // ... } </script>React
import React from 'react'; import LinearGauge, { Size } from 'devextreme-react/linear-gauge'; class App extends React.Component { render() { return ( <LinearGauge ... > <Size height={300} width={600} /> </LinearGauge> ); } } export default App;
Alternatively, you can use CSS to style the UI component's container:
jQuery$(function() { $("#linearGauge").dxLinearGauge({ // ... }); });
#linearGauge { width: 85%; height: 70%; }Angular
<dx-linear-gauge ... id="linearGauge"> </dx-linear-gauge>
#linearGauge { width: 85%; height: 70%; }Vue
<template> <DxLinearGauge ... id="linearGauge"> </DxLinearGauge> </template> <script> import DxLinearGauge from 'devextreme-vue/linear-gauge'; export default { components: { DxLinearGauge }, // ... } </script> <style> #linearGauge { width: 85%; height: 70%; } </style>React
import React from 'react'; import LinearGauge from 'devextreme-react/linear-gauge'; class App extends React.Component { render() { return ( <LinearGauge ... id="linearGauge"> </LinearGauge> ); } } export default App;
#linearGauge { width: 85%; height: 70%; }
Specifies the appearance properties of subvalue indicators.
Selector: DxSubvalueIndicator
The LinearGauge UI component can display one main value and several subvalues. The gauge's main value and subvalues are indicated by special pointers. You can customize the appearance of these pointers using the valueIndicator and subvalueIndicator configuration objects correspondingly.
The subvalue indicator is a pointer, which designates an extra value on a scale. There are several types of subvalue indicators. Set the required one by using the type property, and then specify the properties that are specific to this type, if needed. To learn the properties that can be specified for a particular type, refer to one of the following sections.
Specifies a set of subvalues to be designated by the subvalue indicators.
Default Value: undefined
Cannot be used in themes.
In addition to one main value, you can indicate several extra values on a gauge. These are called subvalues. To specify the subvalues, assign an array with them to the subvalues field.
You can obtain and change the subvalues at runtime. In order to do this, use the subvalues() and subvalues(subvalues) methods. Note that in that case, you need to initialize the subvalues property at least with an empty array.
var gaugeOptions = { // ... subvalues: [] }
Subvalues are designated by subvalue indicators. You can customize the appearance of these indicators using the subvalueIndicator configuration object.
Sets the name of the theme the UI component uses.
Default Value: 'generic.light'
A theme is a UI component configuration that gives the UI component a distinctive appearance. You can use one of the predefined themes or create a custom one. Changing the property values in the UI component's configuration object overrides the theme's corresponding values.
Configures the UI component's title.
Selector: DxTitle
Type: viz/core/base_widget:BaseWidgetTitle
The UI component's title is a short text that usually indicates what is visualized. If you need to specify the title's text only, assign it directly to the title property. Otherwise, set this property to an object with the text and other fields specified.
The title can be accompanied by a subtitle elaborating on the visualized subject using the title.subtitle object.
Configures tooltips.
Selector: DxTooltip
Type: viz/gauges/base_gauge:BaseGaugeTooltip
A tooltip is a miniature rectangle displaying the value of a gauge's indicator. A tooltip appears when the end-user hovers the cursor over an indicator. You can enable/disable tooltips, change their appearance and format their text using fields of the tooltip configuration object.
Specifies the main value on a gauge.
Default Value: undefined
Cannot be used in themes.
The main value is designated by the value indicator. To customize the appearance of the value indicator, use the valueIndicator configuration object.
You can obtain and change the gauge value at runtime. In order to do this, use the value() and value(value) methods.
Only one main value can be indicated on a gauge. Besides the main gauge value, you can indicate several extra values. Refer to the subvalues property description for more information.
See AlsoSpecifies the appearance properties of the value indicator.
Selector: DxValueIndicator
The value indicator is a pointer that designates the main value of the gauge. There are several types of value indicators. Set the required one by using the type property, and then specify the properties that are specific to this type, if needed. To learn about the properties that can be specified for a particular type, refer to one of the following sections.
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