Multiple Axes
Documentation
With the Chart widget, you can display charts with multiple axes and combine charts together to help better visualize the similarities or differences in data under investigation.
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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) {
var items = arg.valueText.split("\n"),
color = arg.point.getColor();
items.forEach(function(item, index) {
if(item.indexOf(arg.seriesName) === 0) {
var 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;
}
let 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;
}
}
// 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/
System.config({
transpiler: 'ts',
typescriptOptions: {
module: "system",
emitDecoratorMetadata: true,
experimentalDecorators: true
},
meta: {
'typescript': {
"exports": "ts"
},
},
paths: {
'npm:': 'https://unpkg.com/'
},
map: {
'ts': 'npm:plugin-typescript@8.0.0/lib/plugin.js',
'typescript': 'npm:typescript@3.4.5/lib/typescript.js',
'@angular': 'npm:@angular',
'tslib': 'npm:tslib/tslib.js',
'rxjs': 'npm:rxjs',
'devextreme': 'npm:devextreme@20.1',
'jszip': 'npm:jszip@3.1.3/dist/jszip.min.js',
'quill': 'npm:quill@1.3.7/dist/quill.js',
'devexpress-diagram': 'npm:devexpress-diagram@1.0.14',
'devexpress-gantt': 'npm:devexpress-gantt@1.0.7',
'devextreme-angular': 'npm:devextreme-angular@20.1'
},
packages: {
'app': {
main: './app.component.ts',
defaultExtension: 'ts'
},
'devextreme': {
defaultExtension: 'js'
},
'devextreme/events/utils': {
main: 'index'
},
'devextreme/events': {
main: 'index'
},
},
packageConfigPaths: [
"npm:*/package.json",
"npm:@angular/*/package.json",
"npm:@angular/common/*/package.json",
"npm:rxjs/operators/package.json",
"npm:devextreme-angular@20.1/*/package.json",
"npm:devextreme-angular@20.1/ui/*/package.json",
]
});
<!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" />
<link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/20.1.7/css/dx.common.css" />
<link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/20.1.7/css/dx.light.css" />
<script src="https://unpkg.com/core-js@2.4.1/client/shim.min.js"></script>
<script src="https://unpkg.com/zone.js@0.10.2/dist/zone.js"></script>
<script src="https://unpkg.com/reflect-metadata@0.1.3/Reflect.js"></script>
<script src="https://unpkg.com/systemjs@0.21.3/dist/system.js"></script>
<script src="config.js"></script>
<script>
System.import('app').catch(console.error.bind(console));
</script>
</head>
<body class="dx-viewport">
<div class="demo-container">
<demo-app>Loading...</demo-app>
</div>
</body>
</html>