Range Area
Documentation
Range area series can be used to display value ranges corresponding to specified arguments. Data is displayed as a color filled space between the line that joins the beginning and the line that joins the end series points.
www.inflationdata.com
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<dx-chart
id="chart"
palette="violet"
title="Annual Inflation Rate in 2010 and 2011"
[dataSource]="inflationData">
<dxo-common-series-settings
argumentField="date"
type="rangeArea"></dxo-common-series-settings>
<dxi-value-axis
[tickInterval]="0.5"
[valueMarginsEnabled]="false"
[visualRange]="{startValue:0.5,endValue:4}">
<dxo-label
[customizeText]="customizeValueAxisText">
<dxo-format
type="fixedPoint"
[precision]="2"></dxo-format>
</dxo-label>
</dxi-value-axis>
<dxo-argument-axis [valueMarginsEnabled]="false">
<dxo-label format="month"></dxo-label>
</dxo-argument-axis>
<dxo-export [enabled]="true"></dxo-export>
<dxo-legend
[visible]="false"></dxo-legend>
<dxi-series
rangeValue1Field="val2010"
rangeValue2Field="val2011"
name="2010 - 2011"></dxi-series>
</dx-chart>
import { NgModule, Component, enableProdMode } from '@angular/core';
import { BrowserModule } from '@angular/platform-browser';
import { platformBrowserDynamic } from '@angular/platform-browser-dynamic';
import { DxChartModule } from 'devextreme-angular';
import { InflationEntry, Service } from './app.service';
if(!/localhost/.test(document.location.host)) {
enableProdMode();
}
@Component({
selector: 'demo-app',
templateUrl: 'app/app.component.html',
styleUrls: ['app/app.component.css'],
providers: [Service]
})
export class AppComponent {
inflationData: InflationEntry[];
constructor(service: Service) {
this.inflationData = service.getInflationData();
}
customizeValueAxisText(args) {
return args.valueText + " %";
}
}
@NgModule({
imports: [
BrowserModule,
DxChartModule
],
declarations: [AppComponent],
bootstrap: [AppComponent]
})
export class AppModule { }
platformBrowserDynamic().bootstrapModule(AppModule);
::ng-deep #chart {
height: 440px;
}
import {
Injectable
} from '@angular/core';
export class InflationEntry {
date: Date;
val2010: number;
val2011: number;
}
let inflationEntries: InflationEntry[] = [{
date: new Date(2010, 0, 1),
val2010: 1.63,
val2011: 2.63
}, {
date: new Date(2010, 1, 1),
val2010: 2.11,
val2011: 2.14
}, {
date: new Date(2010, 2, 1),
val2010: 2.68,
val2011: 2.31
}, {
date: new Date(2010, 3, 1),
val2010: 3.16,
val2011: 2.24
}, {
date: new Date(2010, 4, 1),
val2010: 3.57,
val2011: 2.02
}, {
date: new Date(2010, 5, 1),
val2010: 3.56,
val2011: 1.05
}, {
date: new Date(2010, 6, 1),
val2010: 3.63,
val2011: 1.24
}, {
date: new Date(2010, 7, 1),
val2010: 3.77,
val2011: 1.15
}, {
date: new Date(2010, 8, 1),
val2010: 3.87,
val2011: 1.14
}, {
date: new Date(2010, 9, 1),
val2010: 3.53,
val2011: 1.17
}, {
date: new Date(2010, 10, 1),
val2010: 3.39,
val2011: 1.14
}, {
date: new Date(2010, 11, 1),
val2010: 2.96,
val2011: 1.50
}];
@Injectable()
export class Service {
getInflationData(): InflationEntry[] {
return inflationEntries;
}
}
// In real applications, you should not transpile code in the browser. You can see how to create your own application with Angular and DevExtreme here:
// https://js.devexpress.com/Documentation/Guide/Angular_Components/Getting_Started/Create_a_DevExtreme_Application/
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paths: {
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"npm:devexpress-diagram/package.json",
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]
};
System.config(window.config);
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