Multiple Axes
Documentation
With the Chart component, you can display charts with multiple axes and combine charts together to help better visualize the similarities or differences in data under investigation.
www.wikipedia.org
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<dx-chart
id="chart"
palette="vintage"
[dataSource]="populationData"
title="Evolution of Population by Continent"
>
<dxi-series valueField="africa" name="Africa"></dxi-series>
<dxi-series valueField="asia" name="Asia"></dxi-series>
<dxi-series valueField="europe" name="Europe"></dxi-series>
<dxi-series
valueField="latinamerica"
name="Latin America & Caribbean"
></dxi-series>
<dxi-series valueField="northamerica" name="Northern America"></dxi-series>
<dxi-series valueField="oceania" name="Oceania"></dxi-series>
<dxi-series
axis="total"
type="spline"
valueField="total"
name="Total"
color="#008fd8"
>
</dxi-series>
<dxo-common-series-settings argumentField="year" type="fullstackedbar">
</dxo-common-series-settings>
<dxi-value-axis>
<dxo-grid [visible]="true"></dxo-grid>
</dxi-value-axis>
<dxi-value-axis name="total" position="right">
<dxo-grid [visible]="true"></dxo-grid>
<dxo-title text="Total Population, billions"></dxo-title>
</dxi-value-axis>
<dxo-legend verticalAlignment="bottom" horizontalAlignment="center">
</dxo-legend>
<dxo-export [enabled]="true"></dxo-export>
<dxo-tooltip
[enabled]="true"
[shared]="true"
[customizeTooltip]="customizeTooltip"
>
<dxo-format type="largeNumber" [precision]="1"></dxo-format>
</dxo-tooltip>
</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 { Service, Population } from './app.service';
if (!/localhost/.test(document.location.host)) {
enableProdMode();
}
@Component({
selector: 'demo-app',
providers: [Service],
templateUrl: 'app/app.component.html',
styleUrls: ['app/app.component.css'],
})
export class AppComponent {
populationData: Population[];
constructor(service: Service) {
this.populationData = service.getPopulationData();
}
customizeTooltip(arg: any) {
const items = arg.valueText.split('\n');
const color = arg.point.getColor();
items.forEach((item, index) => {
if (item.indexOf(arg.seriesName) === 0) {
const element = document.createElement('span');
element.textContent = item;
element.style.color = color;
element.className = 'active';
items[index] = element.outerHTML;
}
});
return { text: items.join('\n') };
}
}
@NgModule({
imports: [
BrowserModule,
DxChartModule,
],
declarations: [AppComponent],
bootstrap: [AppComponent],
})
export class AppModule { }
platformBrowserDynamic().bootstrapModule(AppModule);
::ng-deep #chart {
height: 440px;
}
::ng-deep .active {
font-weight: 500;
}
import { Injectable } from '@angular/core';
export class Population {
year: string;
africa: number;
asia: number;
europe: number;
latinamerica: number;
northamerica: number;
oceania: number;
total: number;
}
const populatinData: Population[] = [{
year: '1750',
africa: 106000000,
asia: 502000000,
europe: 163000000,
latinamerica: 16000000,
northamerica: 2000000,
oceania: 2000000,
total: 791000000,
}, {
year: '1800',
africa: 107000000,
asia: 635000000,
europe: 203000000,
latinamerica: 24000000,
northamerica: 7000000,
oceania: 2000000,
total: 978000000,
}, {
year: '1850',
africa: 111000000,
asia: 809000000,
europe: 276000000,
latinamerica: 38000000,
northamerica: 26000000,
oceania: 2000000,
total: 1262000000,
}, {
year: '1900',
africa: 133000000,
asia: 947000000,
europe: 408000000,
latinamerica: 74000000,
northamerica: 82000000,
oceania: 6000000,
total: 1650000000,
}, {
year: '1950',
africa: 229895000,
asia: 1403388000,
europe: 547287000,
latinamerica: 167368000,
northamerica: 171614000,
oceania: 12675000,
total: 2532227000,
}, {
year: '2000',
africa: 811101000,
asia: 3719044000,
europe: 726777000,
latinamerica: 521419000,
northamerica: 313289000,
oceania: 31130000,
total: 6122770000,
}, {
year: '2050',
africa: 2191599000,
asia: 5142220000,
europe: 719257000,
latinamerica: 750956000,
northamerica: 446862000,
oceania: 55223000,
total: 9306128000,
}];
@Injectable()
export class Service {
getPopulationData(): Population[] {
return populatinData;
}
}
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'npm:devexpress-diagram@2.1.40/package.json',
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],
};
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