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Line
Documentation
Line chart series types help visualize data trends over specified intervals. In this example, you can switch between the line, stacked line and full-stacked line series types. Stacked line series help visualize multiple series and compare the manner in which each series contributes to the total aggregate value for specific arguments. Full-stacked line series help compare the percentage value of multiple line series for each argument.
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<div id="chart-demo">
<dx-chart
palette="Violet"
[dataSource]="countriesInfo">
<dxi-series
*ngFor="let energy of energySources"
[valueField]="energy.value"
[name]="energy.name">
</dxi-series>
<dxo-common-series-settings #seriesSettings
argumentField="country"
[type]="types[0]">
</dxo-common-series-settings>
<dxo-margin [bottom]="20"></dxo-margin>
<dxo-argument-axis
[valueMarginsEnabled]="false"
discreteAxisDivisionMode="crossLabels">
<dxo-grid [visible]="true"></dxo-grid>
</dxo-argument-axis>
<dxo-legend
verticalAlignment="bottom"
horizontalAlignment="center"
itemTextPosition="bottom">
</dxo-legend>
<dxo-title
text="Energy Consumption in 2004">
<dxo-subtitle text="(Millions of Tons, Oil Equivalent)">
</dxo-subtitle>
</dxo-title>
<dxo-export [enabled]="true"></dxo-export>
<dxo-tooltip [enabled]="true"></dxo-tooltip>
</dx-chart>
<div class="options">
<div class="caption">Options</div>
<div class="option">
<span>Series Type</span>
<dx-select-box
[dataSource]="types"
[(value)]="seriesSettings.type">
</dx-select-box>
</div>
</div>
</div>
import { NgModule, Component, enableProdMode } from '@angular/core';
import { BrowserModule } from '@angular/platform-browser';
import { platformBrowserDynamic } from '@angular/platform-browser-dynamic';
import { DxChartModule, DxSelectBoxModule } from 'devextreme-angular';
import { CountryInfo, EnergyDescription, 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],
preserveWhitespaces: true
})
export class AppComponent {
types: string[] = ["line", "stackedline", "fullstackedline"];
countriesInfo: CountryInfo[];
energySources: EnergyDescription[];
constructor(service: Service) {
this.countriesInfo = service.getCountriesInfo();
this.energySources = service.getEnergySources();
}
}
@NgModule({
imports: [
BrowserModule,
DxChartModule,
DxSelectBoxModule
],
declarations: [AppComponent],
bootstrap: [AppComponent]
})
export class AppModule { }
platformBrowserDynamic().bootstrapModule(AppModule);
::ng-deep .options {
padding: 20px;
background-color: rgba(191, 191, 191, 0.15);
margin-top: 20px;
}
::ng-deep .option {
margin-top: 10px;
}
::ng-deep .caption {
font-size: 18px;
font-weight: 500;
}
::ng-deep .option > span {
margin-right: 10px;
}
::ng-deep .option > .dx-widget {
display: inline-block;
vertical-align: middle;
}
import { Injectable } from '@angular/core';
export class CountryInfo {
country: string;
hydro: number;
oil: number;
gas: number;
coal: number;
nuclear: number;
}
export class EnergyDescription {
value: string;
name: string;
}
let energySources: EnergyDescription[] = [
{ value: "hydro", name: "Hydro-electric" },
{ value: "oil", name: "Oil" },
{ value: "gas", name: "Natural gas" },
{ value: "coal", name: "Coal" },
{ value: "nuclear", name: "Nuclear" }
];
let countriesInfo: CountryInfo[] = [{
country: "USA",
hydro: 59.8,
oil: 937.6,
gas: 582,
coal: 564.3,
nuclear: 187.9
}, {
country: "China",
hydro: 74.2,
oil: 308.6,
gas: 35.1,
coal: 956.9,
nuclear: 11.3
}, {
country: "Russia",
hydro: 40,
oil: 128.5,
gas: 361.8,
coal: 105,
nuclear: 32.4
}, {
country: "Japan",
hydro: 22.6,
oil: 241.5,
gas: 64.9,
coal: 120.8,
nuclear: 64.8
}, {
country: "India",
hydro: 19,
oil: 119.3,
gas: 28.9,
coal: 204.8,
nuclear: 3.8
}, {
country: "Germany",
hydro: 6.1,
oil: 123.6,
gas: 77.3,
coal: 85.7,
nuclear: 37.8
}];
@Injectable()
export class Service {
getEnergySources(): EnergyDescription[] {
return energySources;
}
getCountriesInfo(): CountryInfo[] {
return countriesInfo;
}
}
// 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"
},
'devextreme/localization.js': {
"esModule": true
}
},
paths: {
'npm:': 'https://unpkg.com/'
},
map: {
'ts': 'npm:plugin-typescript@8.0.0/lib/plugin.js',
'typescript': 'npm:typescript@3.5.3/lib/typescript.js',
'@angular': 'npm:@angular',
'tslib': 'npm:tslib@2.1.0/tslib.js',
'rxjs': 'npm:rxjs@6.4.0',
'rrule': 'npm:rrule@2.6.6/dist/es5/rrule.js',
'luxon': 'npm:luxon@1.25.0/build/global/luxon.min.js',
'es6-object-assign': 'npm:es6-object-assign@1.1.0',
'devextreme': 'npm:devextreme@20.2.5',
'jszip': 'npm:jszip@3.5.0/dist/jszip.min.js',
'devextreme-quill': 'npm:devextreme-quill@0.9.8/dist/dx-quill.min.js',
'devexpress-diagram': 'npm:devexpress-diagram@2.0.11',
'devexpress-gantt': 'npm:devexpress-gantt@2.0.18',
'devextreme-angular': 'npm:devextreme-angular@20.2.5',
'preact': 'npm:preact@10.5.11/dist/preact.js',
'preact/hooks': 'npm:preact@10.5.11/hooks/dist/hooks.js'
},
packages: {
'app': {
main: './app.component.ts',
defaultExtension: 'ts'
},
'devextreme': {
defaultExtension: 'js'
},
'devextreme/events/utils': {
main: 'index'
},
'devextreme/events': {
main: 'index'
},
'es6-object-assign': {
main: './index.js',
defaultExtension: 'js'
}
},
packageConfigPaths: [
"npm:@angular/*/package.json",
"npm:@angular/common/*/package.json",
"npm:rxjs/package.json",
"npm:rxjs/operators/package.json",
"npm:devextreme-angular/*/package.json",
"npm:devextreme-angular/ui/*/package.json",
"npm:devextreme-angular/package.json",
"npm:devexpress-diagram/package.json",
"npm:devexpress-gantt/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/20.2.5/css/dx.common.css" />
<link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/20.2.5/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>