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Ranges in Angular Circular Gauge component

You can categories certain interval on gauge axis using ranges property.

Start and End

Start and end value of a range in an axis can be customized by using start and end properties.

Source
Preview
app.component.ts
app.module.ts
main.ts
import { Component, OnInit } from '@angular/core';

@Component({
    selector: 'app-container',
    template:
    `<ejs-circulargauge id="circular-container">
        <e-axes>
            <e-axis>
                <e-ranges>
                    <e-range start=40 end=80></e-range>
                </e-ranges>
            </e-axis>
        </e-axes>
    </ejs-circulargauge>`
})
export class AppComponent implements OnInit {
    ngOnInit(): void {
        // Initialize objects
    }

}
import { NgModule } from '@angular/core';
import { BrowserModule } from '@angular/platform-browser';
import { AppComponent } from './app.component';
import { CircularGaugeModule } from '@syncfusion/ej2-angular-circulargauge';
import { AnnotationsService, GradientService } from '@syncfusion/ej2-angular-circulargauge';
/**
 * Module
 */
@NgModule({
    imports: [
        BrowserModule, CircularGaugeModule
    ],
    declarations: [AppComponent],
    bootstrap: [AppComponent],
    providers: [AnnotationsService, GradientService]
})
export class AppModule { }
import { platformBrowserDynamic } from '@angular/platform-browser-dynamic';
import { enableProdMode } from '@angular/core';
import { AppModule } from './app.module';

enableProdMode();
platformBrowserDynamic().bootstrapModule(AppModule);

Customization

Color and thickness of the range can be customized by using color, startWidth and endWidth property.

Source
Preview
app.component.ts
app.module.ts
main.ts
import { Component, OnInit } from '@angular/core';

@Component({
    selector: 'app-container',
    template:
    `<ejs-circulargauge id="circular-container">
        <e-axes>
            <e-axis minimum=0 maximum=100 [majorTicks]="majorTicks" [minorTicks]="minorTicks">
                <e-ranges>
                    <e-range start=40 end=80 startWidth=15 endWidth=15 color="#ff5985"></e-range>
                </e-ranges>
            </e-axis>
        </e-axes>
    </ejs-circulargauge>`
})
export class AppComponent implements OnInit {
    public majorTicks: Object;
    public minorTicks: Object;
    ngOnInit(): void {
        // Initialize objects
        this.majorTicks = {
            interval: 10
        };
        this.minorTicks = {
            interval: 5
        };
    }

}
import { NgModule } from '@angular/core';
import { BrowserModule } from '@angular/platform-browser';
import { AppComponent } from './app.component';
import { CircularGaugeModule } from '@syncfusion/ej2-angular-circulargauge';
import { AnnotationsService, GradientService } from '@syncfusion/ej2-angular-circulargauge';
/**
 * Module
 */
@NgModule({
    imports: [
        BrowserModule, CircularGaugeModule
    ],
    declarations: [AppComponent],
    bootstrap: [AppComponent],
    providers: [AnnotationsService, GradientService]
})
export class AppModule { }
import { platformBrowserDynamic } from '@angular/platform-browser-dynamic';
import { enableProdMode } from '@angular/core';
import { AppModule } from './app.module';

enableProdMode();
platformBrowserDynamic().bootstrapModule(AppModule);

Radius

You can place the range inside or outside of the axis by using radius property. The radius of the range can takes value either in percentage or in pixels. By default, ranges take 100% of the axis radius.

In Pixel

You can set the radius of the range in pixel as demonstrated below,

Source
Preview
app.component.ts
app.module.ts
main.ts
import { Component, OnInit } from '@angular/core';

@Component({
    selector: 'app-container',
    template:
    `<ejs-circulargauge id="circular-container">
        <e-axes>
            <e-axis>
                <e-ranges>
                    <e-range start=40 end=80 radius='100'></e-range>
                </e-ranges>
            </e-axis>
        </e-axes>
    </ejs-circulargauge>`
})
export class AppComponent implements OnInit {
    ngOnInit(): void {
        // Initialize objects
    }

}
import { NgModule } from '@angular/core';
import { BrowserModule } from '@angular/platform-browser';
import { AppComponent } from './app.component';
import { CircularGaugeModule } from '@syncfusion/ej2-angular-circulargauge';
import { AnnotationsService, GradientService } from '@syncfusion/ej2-angular-circulargauge';
/**
 * Module
 */
@NgModule({
    imports: [
        BrowserModule, CircularGaugeModule
    ],
    declarations: [AppComponent],
    bootstrap: [AppComponent],
    providers: [AnnotationsService, GradientService]
})
export class AppModule { }
import { platformBrowserDynamic } from '@angular/platform-browser-dynamic';
import { enableProdMode } from '@angular/core';
import { AppModule } from './app.module';

enableProdMode();
platformBrowserDynamic().bootstrapModule(AppModule);

In Percentage

By setting value in percentage, range gets its dimension with respect to its axis radius. For example, when the radius is ‘50%’, range renders to half of the axis radius.

Source
Preview
app.component.ts
app.module.ts
main.ts
import { Component, OnInit } from '@angular/core';

@Component({
    selector: 'app-container',
    template:
    `<ejs-circulargauge id="circular-container">
        <e-axes>
            <e-axis>
                <e-ranges>
                    <e-range start=40 end=80 radius='50%'></e-range>
                </e-ranges>
            </e-axis>
        </e-axes>
    </ejs-circulargauge>`
})
export class AppComponent implements OnInit {
    ngOnInit(): void {
        // Initialize objects
    }

}
import { NgModule } from '@angular/core';
import { BrowserModule } from '@angular/platform-browser';
import { AppComponent } from './app.component';
import { CircularGaugeModule } from '@syncfusion/ej2-angular-circulargauge';
import { AnnotationsService, GradientService } from '@syncfusion/ej2-angular-circulargauge';
/**
 * Module
 */
@NgModule({
    imports: [
        BrowserModule, CircularGaugeModule
    ],
    declarations: [AppComponent],
    bootstrap: [AppComponent],
    providers: [AnnotationsService, GradientService]
})
export class AppModule { }
import { platformBrowserDynamic } from '@angular/platform-browser-dynamic';
import { enableProdMode } from '@angular/core';
import { AppModule } from './app.module';

enableProdMode();
platformBrowserDynamic().bootstrapModule(AppModule);

Dragging Range

The ranges can be dragged on the axis line by clicking and dragging the same. To enable or disable the range drag, use the enableRangeDrag property.

Source
Preview
app.component.ts
app.module.ts
main.ts
import { Component, OnInit } from '@angular/core';

@Component({
    selector: 'app-container',
    template:
    `<ejs-circulargauge id="circular-container" enableRangeDrag='true' height='250px' width='250px'>
        <e-axes>
            <e-axis>
                <e-pointers>
                    <e-pointer value=50></e-pointer>
                </e-pointers>
				 <e-ranges>
                    <e-range start=0 end=100 startWidth=8 endWidth=8 color="#30B32D" radius='108%'></e-range>
                </e-ranges>
            </e-axis>
        </e-axes>
    </ejs-circulargauge>`
})
export class AppComponent implements OnInit {
    public animation: Object;
    ngOnInit(): void {
    }
}
import { NgModule } from '@angular/core';
import { BrowserModule } from '@angular/platform-browser';
import { AppComponent } from './app.component';
import { CircularGaugeModule } from '@syncfusion/ej2-angular-circulargauge';
import { GradientService } from '@syncfusion/ej2-angular-circulargauge';

/**
 * Module
 */
@NgModule({
    imports: [
        BrowserModule, CircularGaugeModule
    ],
    declarations: [AppComponent],
    bootstrap: [AppComponent],
    providers: [GradientService]
})
export class AppModule { }
import { platformBrowserDynamic } from '@angular/platform-browser-dynamic';
import { enableProdMode } from '@angular/core';
import { AppModule } from './app.module';

enableProdMode();
platformBrowserDynamic().bootstrapModule(AppModule);

Multiple Ranges

You can add multiple ranges to an axis with the above customization as demonstrated below.

Note: You can set the range color to axis ticks and labels by enabling useRangeColor property in majorTicks, minorTicks and labelStyle object.

Source
Preview
app.component.ts
app.module.ts
main.ts
import { Component, OnInit } from '@angular/core';

@Component({
    selector: 'app-container',
    template:
    `<ejs-circulargauge id="circular-container">
        <e-axes>
            <e-axis [majorTicks]="majorTicks" [minorTicks]="minorTicks" [labelStyle]="labelStyle">
                <e-ranges>
                    <e-range start=0 end=25 radius='108%'></e-range>
                    <e-range start=25 end=50 radius='70%'></e-range>
                    <e-range start=50 end=75 radius='70%'></e-range>
                    <e-range start=75 end=100 radius='108%'></e-range>
                </e-ranges>
            </e-axis>
        </e-axes>
    </ejs-circulargauge>`
})
export class AppComponent implements OnInit {
    public majorTicks: Object;
    public minorTicks: Object;
    public labelStyle: Object;
    ngOnInit(): void {
        // Initialize objects
        this.majorTicks = {
            useRangeColor: true
        };
        this.minorTicks = {
            useRangeColor: true
        };
        this.labelStyle = {
            useRangeColor: true
        };
    }

}
import { NgModule } from '@angular/core';
import { BrowserModule } from '@angular/platform-browser';
import { AppComponent } from './app.component';
import { CircularGaugeModule } from '@syncfusion/ej2-angular-circulargauge';
import { AnnotationsService, GradientService } from '@syncfusion/ej2-angular-circulargauge';
/**
 * Module
 */
@NgModule({
    imports: [
        BrowserModule, CircularGaugeModule
    ],
    declarations: [AppComponent],
    bootstrap: [AppComponent],
    providers: [AnnotationsService, GradientService]
})
export class AppModule { }
import { platformBrowserDynamic } from '@angular/platform-browser-dynamic';
import { enableProdMode } from '@angular/core';
import { AppModule } from './app.module';

enableProdMode();
platformBrowserDynamic().bootstrapModule(AppModule);

Rounded corner radius

You can customize the corner radius using the roundedCornerRadius property in ranges.

Source
Preview
app.component.ts
app.module.ts
main.ts
import { Component, OnInit } from '@angular/core';

@Component({
    selector: 'app-container',
    template:
    `<ejs-circulargauge id="circular-container">
        <e-axes>
            <e-axis>
                <e-ranges>
                    <e-range start=40 end=80 radius='50%' roundedCornerRadius=6></e-range>
                </e-ranges>
            </e-axis>
        </e-axes>
    </ejs-circulargauge>`
})
export class AppComponent implements OnInit {
    ngOnInit(): void {
        // Initialize objects
    }

}
import { NgModule } from '@angular/core';
import { BrowserModule } from '@angular/platform-browser';
import { AppComponent } from './app.component';
import { CircularGaugeModule } from '@syncfusion/ej2-angular-circulargauge';
import { AnnotationsService, GradientService } from '@syncfusion/ej2-angular-circulargauge';
/**
 * Module
 */
@NgModule({
    imports: [
        BrowserModule, CircularGaugeModule
    ],
    declarations: [AppComponent],
    bootstrap: [AppComponent],
    providers: [AnnotationsService, GradientService]
})
export class AppModule { }
import { platformBrowserDynamic } from '@angular/platform-browser-dynamic';
import { enableProdMode } from '@angular/core';
import { AppModule } from './app.module';

enableProdMode();
platformBrowserDynamic().bootstrapModule(AppModule);

Gradient Color

Gradient support allows to add multiple colors in the ranges and pointers of the circular gauge. The following gradient types are supported in the circular gauge.

  • Linear Gradient
  • Radial Gradient

Linear Gradient

Using linear gradient, colors will be applied in a linear progression. The start value of the linear gradient will be set using the startValue property. The end value of the linear gradient will be set using the endValue property. The color stop values such as color, opacity and offset are set using colorStop property.

To apply linear gradient to the range, follow the below code sample.

Source
Preview
app.component.ts
app.module.ts
main.ts
import { Component, OnInit } from '@angular/core';

@Component({
    selector: 'app-container',
    template:
    ` <ejs-circulargauge style='display:block;' [title]='title' centerY='57%' [titleStyle]='titleStyle'>
            <e-axes>
                <e-axis [lineStyle]='lineStyle' radius='90%' startAngle=200 endAngle=130 minimum=0 maximum=14 [labelStyle]='labelStyle' [majorTicks]='majorTicks'
                    [minorTicks]='minorTicks' [ranges]='ranges'>
                    <e-pointers>
                        <e-pointer type='Marker' [value]=12 markerShape='Image' imageUrl='templates/circulargauge/images/football.png' radius='108%'
                            [markerWidth]=28 [markerHeight]=28 [animation]='animation1'>
                        </e-pointer>
                        <e-pointer type='Marker' [value]=11 markerShape='Image' imageUrl='templates/circulargauge/images/basketball.png' radius='78%'
                            [markerWidth]=28 [markerHeight]=28 [animation]='animation2'>
                        </e-pointer>
                        <e-pointer type='Marker' [value]=10 markerShape='Image' imageUrl='templates/circulargauge/images/golfball.png' radius='48%'
                            [markerWidth]=28 [markerHeight]=28 [animation]='animation3'>
                        </e-pointer>
                        <e-pointer type='Marker' [value]=12 markerShape='Image' imageUrl='templates/circulargauge/images/athletics.png' radius='0%'
                            [markerWidth]=90 [markerHeight]=90 [animation]='animation4'>
                        </e-pointer>
                        <e-pointer type='Marker' [value]=0.1 markerShape='Image' imageUrl='templates/circulargauge/images/girl1.png' radius='108%'
                            [markerWidth]=28 [markerHeight]=28 [animation]='animation1'>
                        </e-pointer>
                        <e-pointer type='Marker' [value]=0.1 markerShape='Image' imageUrl='templates/circulargauge/images/man1.png' radius='78%' [markerWidth]=28
                            [markerHeight]=28 [animation]='animation1'>
                        </e-pointer>
                        <e-pointer type='Marker' [value]=0.1 markerShape='Image' imageUrl='templates/circulargauge/images/man2.png' radius='48%' [markerWidth]=28
                            [markerHeight]=28 [animation]='animation1'>
                        </e-pointer>
                    </e-pointers>
                    <e-annotations>
                        <e-annotation content='12 M' radius='108%' angle=98 zIndex='1'> </e-annotation>
                        <e-annotation content='11 M' radius='80%' angle=81 zIndex='1'> </e-annotation>
                        <e-annotation content='10 M' radius='50%' angle=69 zIndex='1'> </e-annotation>
                        <e-annotation content='Doe' radius='108%' angle=190 zIndex='1'> </e-annotation>
                        <e-annotation content='Almaida' radius='80%' angle=185 zIndex='1'> </e-annotation>
                        <e-annotation content='John' radius='50%' angle=180 zIndex='1'> </e-annotation>
                    </e-annotations>
                </e-axis>
            </e-axes>
        </ejs-circulargauge>
`
})
export class AppComponent implements OnInit {
    public ranges: Object[];
    public pointers: Object[];
    public titleStyle: Object;
    public title: string;
    public animation1: Object;
    public animation2: Object;
    public animation3: Object;
    public animation4: Object;
    public lineStyle: Object;
    public labelStyle: Object;
    public majorTicks: Object;
    public minorTicks: Object;
    public rangeLinearGradient: Object = {
        startValue: '0%', endValue: '100%',
        colorStop: [
            { color: '#9E40DC', offset: '0%', opacity: 0.9 },
            { color: '#E63B86', offset: '70%', opacity: 0.9 }]
    };
    ngOnInit(): void {
        // Initialize objects
        this.ranges = [{
            start: 0, end: 12, radius: '115%',
            startWidth: 25, endWidth: 25,
            linearGradient : this.rangeLinearGradient
        }, {
            start: 0, end: 11, radius: '85%',
            startWidth: 25, endWidth: 25,
            linearGradient : this.rangeLinearGradient
        }, {
            start: 0, end: 10, radius: '55%',
            startWidth: 25, endWidth: 25,
            linearGradient : this.rangeLinearGradient
        }];
    this.titleStyle = { size: '18px' };
    this.title = 'Short Put Distance';
    this.animation1 = { duration: 1500 };
    this.animation2 = { duration: 1200 };
    this.animation3 = { duration: 900 };
    this.animation4 = { duration: 0 };
    this.lineStyle = { width: 0 };
    this.labelStyle = { font: { size: '0px' } };
    this.majorTicks = { width: 0 };
    this.minorTicks = { width: 0 };
    }
}
import { NgModule } from '@angular/core';
import { BrowserModule } from '@angular/platform-browser';
import { AppComponent } from './app.component';
import { CircularGaugeModule } from '@syncfusion/ej2-angular-circulargauge';
import { AnnotationsService, GradientService } from '@syncfusion/ej2-angular-circulargauge';
/**
 * Module
 */
@NgModule({
    imports: [
        BrowserModule, CircularGaugeModule
    ],
    declarations: [AppComponent],
    bootstrap: [AppComponent],
    providers: [AnnotationsService, GradientService]
})
export class AppModule { }
import { platformBrowserDynamic } from '@angular/platform-browser-dynamic';
import { enableProdMode } from '@angular/core';
import { AppModule } from './app.module';

enableProdMode();
platformBrowserDynamic().bootstrapModule(AppModule);

Radial Gradient

Using radial gradient, colors will be applied in circular progression. The inner circle position of the radial gradient will be set using the innerPosition property. The outer circle position of the radial gradient can be set using the outerPosition property. The color stop values such as color, opacity and offset are set using colorStop property.

To apply radial gradient to the range, follow the below code sample.

Source
Preview
app.component.ts
app.module.ts
main.ts
import { Component, OnInit } from '@angular/core';

@Component({
    selector: 'app-container',
    template:
    ` <ejs-circulargauge style='display:block;' [title]='title' centerY='57%' [titleStyle]='titleStyle'>
            <e-axes>
                <e-axis [lineStyle]='lineStyle' radius='90%' startAngle=200 endAngle=130 minimum=0 maximum=14 [labelStyle]='labelStyle' [majorTicks]='majorTicks'
                    [minorTicks]='minorTicks' [ranges]='ranges'>
                    <e-pointers>
                        <e-pointer type='Marker' [value]=12 markerShape='Image' imageUrl='templates/circulargauge/images/football.png' radius='108%'
                            [markerWidth]=28 [markerHeight]=28 [animation]='animation1'>
                        </e-pointer>
                        <e-pointer type='Marker' [value]=11 markerShape='Image' imageUrl='templates/circulargauge/images/basketball.png' radius='78%'
                            [markerWidth]=28 [markerHeight]=28 [animation]='animation2'>
                        </e-pointer>
                        <e-pointer type='Marker' [value]=10 markerShape='Image' imageUrl='templates/circulargauge/images/golfball.png' radius='48%'
                            [markerWidth]=28 [markerHeight]=28 [animation]='animation3'>
                        </e-pointer>
                        <e-pointer type='Marker' [value]=12 markerShape='Image' imageUrl='templates/circulargauge/images/athletics.png' radius='0%'
                            [markerWidth]=90 [markerHeight]=90 [animation]='animation4'>
                        </e-pointer>
                        <e-pointer type='Marker' [value]=0.1 markerShape='Image' imageUrl='templates/circulargauge/images/girl1.png' radius='108%'
                            [markerWidth]=28 [markerHeight]=28 [animation]='animation1'>
                        </e-pointer>
                        <e-pointer type='Marker' [value]=0.1 markerShape='Image' imageUrl='templates/circulargauge/images/man1.png' radius='78%' [markerWidth]=28
                            [markerHeight]=28 [animation]='animation1'>
                        </e-pointer>
                        <e-pointer type='Marker' [value]=0.1 markerShape='Image' imageUrl='templates/circulargauge/images/man2.png' radius='48%' [markerWidth]=28
                            [markerHeight]=28 [animation]='animation1'>
                        </e-pointer>
                    </e-pointers>
                    <e-annotations>
                        <e-annotation content='12 M' radius='108%' angle=98 zIndex='1'> </e-annotation>
                        <e-annotation content='11 M' radius='80%' angle=81 zIndex='1'> </e-annotation>
                        <e-annotation content='10 M' radius='50%' angle=69 zIndex='1'> </e-annotation>
                        <e-annotation content='Doe' radius='108%' angle=190 zIndex='1'> </e-annotation>
                        <e-annotation content='Almaida' radius='80%' angle=185 zIndex='1'> </e-annotation>
                        <e-annotation content='John' radius='50%' angle=180 zIndex='1'> </e-annotation>
                    </e-annotations>
                </e-axis>
            </e-axes>
        </ejs-circulargauge>
`
})
export class AppComponent implements OnInit {
    public ranges: Object[];
    public pointers: Object[];
    public titleStyle: Object;
    public title: string;
    public animation1: Object;
    public animation2: Object;
    public animation3: Object;
    public animation4: Object;
    public lineStyle: Object;
    public labelStyle: Object;
    public majorTicks: Object;
    public minorTicks: Object;
    public rangeRadialGradient: Object = {
        radius: '50%', innerPosition: { x: '50%', y: '50%' },
        outerPosition: { x: '50%', y: '50%' },
        colorStop: [
            { color: '#9E40DC', offset: '90%', opacity: 0.9 },
            { color: '#E63B86', offset: '160%', opacity: 0.9 }]
    };
    ngOnInit(): void {
        // Initialize objects
        this.ranges = [{
            start: 0, end: 12, radius: '115%',
            startWidth: 25, endWidth: 25,
            radialGradient: this.rangeRadialGradient
        }, {
            start: 0, end: 11, radius: '85%',
            startWidth: 25, endWidth: 25,
            radialGradient: this.rangeRadialGradient
        }, {
            start: 0, end: 10, radius: '55%',
            startWidth: 25, endWidth: 25,
            radialGradient: this.rangeRadialGradient
        }];
    this.titleStyle = { size: '18px' };
    this.title = 'Short Put Distance';
    this.animation1 = { duration: 1500 };
    this.animation2 = { duration: 1200 };
    this.animation3 = { duration: 900 };
    this.animation4 = { duration: 0 };
    this.lineStyle = { width: 0 };
    this.labelStyle = { font: { size: '0px' } };
    this.majorTicks = { width: 0 };
    this.minorTicks = { width: 0 };
    }
}
import { NgModule } from '@angular/core';
import { BrowserModule } from '@angular/platform-browser';
import { AppComponent } from './app.component';
import { CircularGaugeModule } from '@syncfusion/ej2-angular-circulargauge';
import { AnnotationsService, GradientService } from '@syncfusion/ej2-angular-circulargauge';
/**
 * Module
 */
@NgModule({
    imports: [
        BrowserModule, CircularGaugeModule
    ],
    declarations: [AppComponent],
    bootstrap: [AppComponent],
    providers: [AnnotationsService, GradientService]
})
export class AppModule { }
import { platformBrowserDynamic } from '@angular/platform-browser-dynamic';
import { enableProdMode } from '@angular/core';
import { AppModule } from './app.module';

enableProdMode();
platformBrowserDynamic().bootstrapModule(AppModule);

See also