Backend API
<div id="chart-demo">
<dx-polar-chart
#chart
id="radarChart"
palette="soft"
title="Wind Rose, Philadelphia PA"
[dataSource]="windRoseData[0].values"
(onLegendClick)="onLegendClick($event)"
>
@for(item of windSources; track item.name) {
<dxi-polar-chart-series [valueField]="item.valueField" [name]="item.name">
</dxi-polar-chart-series>
}
<dxo-polar-chart-common-series-settings
type="stackedbar"
></dxo-polar-chart-common-series-settings>
<dxo-polar-chart-margin [bottom]="50" [left]="100">
</dxo-polar-chart-margin>
<dxo-polar-chart-argument-axis
discreteAxisDivisionMode="crossLabels"
[firstPointOnStartAngle]="true"
>
</dxo-polar-chart-argument-axis>
<dxo-polar-chart-value-axis
[valueMarginsEnabled]="false"
></dxo-polar-chart-value-axis>
<dxo-polar-chart-export [enabled]="true"></dxo-polar-chart-export>
</dx-polar-chart>
<div class="center">
<dx-select-box
[dataSource]="windRoseData"
displayExpr="period"
[inputAttr]="{ 'aria-label': 'Period' }"
valueExpr="values"
[(value)]="chart.dataSource"
[width]="300"
>
</dx-select-box>
</div>
</div>
import { bootstrapApplication } from '@angular/platform-browser';
import { Component, enableProdMode, provideZoneChangeDetection } from '@angular/core';
import { DxSelectBoxModule } from 'devextreme-angular';
import { DxPolarChartModule, DxPolarChartTypes } from 'devextreme-angular/ui/polar-chart';
import { WindRose, WindDescription, Service } from './app.service';
if (!/localhost/.test(document.location.host)) {
enableProdMode();
}
@Component({
selector: 'demo-app',
templateUrl: './app.component.html',
styleUrls: ['./app.component.css'],
providers: [Service],
imports: [
DxPolarChartModule,
DxSelectBoxModule,
],
})
export class AppComponent {
windRoseData: WindRose[];
windSources: WindDescription[];
constructor(service: Service) {
this.windRoseData = service.getWindRoseData();
this.windSources = service.getWindSources();
}
onLegendClick({ target: series }: DxPolarChartTypes.LegendClickEvent) {
series.isVisible()
? series.hide()
: series.show();
}
}
bootstrapApplication(AppComponent, {
providers: [
provideZoneChangeDetection({ eventCoalescing: true, runCoalescing: true }),
],
});
::ng-deep #chart-demo {
height: 600px;
}
::ng-deep #radarChart {
height: 500px;
}
::ng-deep #chart-demo > .center {
text-align: center;
}
::ng-deep #chart-demo > .center > .dx-widget {
display: inline-block;
vertical-align: middle;
}
import { Injectable } from '@angular/core';
export interface WindValue {
arg: string;
val1: number;
val2: number;
val3: number;
val4: number;
val5: number;
val6: number;
val7: number;
val8: number;
}
export interface WindRose {
period: string;
values: WindValue[];
}
export class WindDescription {
valueField: string;
name: string;
}
const windSources: WindDescription[] = [
{ valueField: 'val1', name: '1.3-4 m/s' },
{ valueField: 'val2', name: '4-8 m/s' },
{ valueField: 'val3', name: '8-13 m/s' },
{ valueField: 'val4', name: '13-19 m/s' },
{ valueField: 'val5', name: '19-25 m/s' },
{ valueField: 'val6', name: '25-32 m/s' },
{ valueField: 'val7', name: '32-39 m/s' },
{ valueField: 'val8', name: '39-47 m/s' },
];
const windRoseData: WindRose[] = [{
period: 'Sep. 1, 2012 - Oct. 1, 2012',
values: [{
arg: 'N',
val1: 0.7,
val2: 1.7,
val3: 2,
val4: 1,
val5: 0,
val6: 0,
val7: 0,
val8: 0,
}, {
arg: 'NNE',
val1: 0.1,
val2: 0.6,
val3: 0,
val4: 0,
val5: 0,
val6: 0,
val7: 0,
val8: 0,
}, {
arg: 'NE',
val1: 0.3,
val2: 0.8,
val3: 0,
val4: 0,
val5: 0,
val6: 0,
val7: 0,
val8: 0,
}, {
arg: 'ENE',
val1: 0.3,
val2: 0.7,
val3: 0,
val4: 0,
val5: 0,
val6: 0,
val7: 0,
val8: 0,
}, {
arg: 'E',
val1: 0.7,
val2: 3.2,
val3: 3,
val4: 0,
val5: 0,
val6: 0,
val7: 0,
val8: 0,
}, {
arg: 'ESE',
val1: 0.8,
val2: 1.5,
val3: 0,
val4: 0,
val5: 0,
val6: 0,
val7: 0,
val8: 0,
}, {
arg: 'SE',
val1: 0.3,
val2: 1.3,
val3: 0,
val4: 0,
val5: 0,
val6: 0,
val7: 0,
val8: 0,
}, {
arg: 'SSE',
val1: 0.1,
val2: 2.4,
val3: 0,
val4: 0,
val5: 0,
val6: 0,
val7: 0,
val8: 0,
}, {
arg: 'S',
val1: 1.1,
val2: 4.2,
val3: 2,
val4: 0,
val5: 0,
val6: 0,
val7: 0,
val8: 0,
}, {
arg: 'SSW',
val1: 0.6,
val2: 3.6,
val3: 3,
val4: 0,
val5: 0,
val6: 0,
val7: 0,
val8: 0,
}, {
arg: 'SW',
val1: 0.8,
val2: 2.5,
val3: 5,
val4: 1,
val5: 0,
val6: 0,
val7: 0,
val8: 0,
}, {
arg: 'WSW',
val1: 0.3,
val2: 2.6,
val3: 3,
val4: 0,
val5: 0,
val6: 0,
val7: 0,
val8: 0,
}, {
arg: 'W',
val1: 0.6,
val2: 1.7,
val3: 3,
val4: 0,
val5: 0,
val6: 0,
val7: 0,
val8: 0,
}, {
arg: 'WNW',
val1: 0.7,
val2: 2.5,
val3: 3,
val4: 0,
val5: 0,
val6: 0,
val7: 0,
val8: 0,
}, {
arg: 'NW',
val1: 1,
val2: 3.2,
val3: 3,
val4: 1,
val5: 0,
val6: 0,
val7: 0,
val8: 0,
}, {
arg: 'NNW',
val1: 0.6,
val2: 3.8,
val3: 4,
val4: 2,
val5: 0,
val6: 0,
val7: 0,
val8: 0,
}],
}, {
period: 'Oct. 1, 2012 - Nov. 1, 2012',
values: [{
arg: 'N',
val1: 0.6,
val2: 1.8,
val3: 2,
val4: 1,
val5: 0,
val6: 1,
val7: 0,
val8: 0,
}, {
arg: 'NNE',
val1: 0.3,
val2: 1.2,
val3: 1,
val4: 0,
val5: 1,
val6: 0,
val7: 0,
val8: 0,
}, {
arg: 'NE',
val1: 0.3,
val2: 2.4,
val3: 2,
val4: 1,
val5: 1,
val6: 0,
val7: 0,
val8: 0,
}, {
arg: 'ENE',
val1: 1,
val2: 2.2,
val3: 1,
val4: 0,
val5: 0,
val6: 0,
val7: 0,
val8: 0,
}, {
arg: 'E',
val1: 0.6,
val2: 4.9,
val3: 2,
val4: 0,
val5: 0,
val6: 0,
val7: 0,
val8: 0,
}, {
arg: 'ESE',
val1: 0.1,
val2: 0.6,
val3: 0,
val4: 0,
val5: 0,
val6: 0,
val7: 0,
val8: 0,
}, {
arg: 'SE',
val1: 0.1,
val2: 0.3,
val3: 1,
val4: 1,
val5: 0,
val6: 0,
val7: 0,
val8: 0,
}, {
arg: 'SSE',
val1: 0.4,
val2: 0.7,
val3: 1,
val4: 0,
val5: 0,
val6: 0,
val7: 0,
val8: 0,
}, {
arg: 'S',
val1: 0,
val2: 3.1,
val3: 3,
val4: 1,
val5: 0,
val6: 0,
val7: 0,
val8: 0,
}, {
arg: 'SSW',
val1: 0.6,
val2: 1.8,
val3: 4,
val4: 1,
val5: 0,
val6: 0,
val7: 0,
val8: 0,
}, {
arg: 'SW',
val1: 0.7,
val2: 1.8,
val3: 2,
val4: 1,
val5: 0,
val6: 0,
val7: 0,
val8: 0,
}, {
arg: 'WSW',
val1: 0.3,
val2: 2.5,
val3: 5,
val4: 1,
val5: 0,
val6: 0,
val7: 0,
val8: 0,
}, {
arg: 'W',
val1: 0,
val2: 2.8,
val3: 6,
val4: 2,
val5: 0,
val6: 0,
val7: 0,
val8: 0,
}, {
arg: 'WNW',
val1: 0.3,
val2: 1.5,
val3: 4,
val4: 1,
val5: 0,
val6: 0,
val7: 0,
val8: 0,
}, {
arg: 'NW',
val1: 0.1,
val2: 2.7,
val3: 2,
val4: 1,
val5: 0,
val6: 0,
val7: 0,
val8: 0,
}, {
arg: 'NNW',
val1: 0.3,
val2: 1.5,
val3: 1,
val4: 1,
val5: 0,
val6: 0,
val7: 0,
val8: 0,
}],
}, {
period: 'Nov. 1, 2012 - Dec. 1, 2012',
values: [{
arg: 'N',
val1: 0.7,
val2: 3,
val3: 8,
val4: 2,
val5: 0,
val6: 0,
val7: 0,
val8: 0,
}, {
arg: 'NNE',
val1: 0.4,
val2: 1.6,
val3: 2,
val4: 1,
val5: 0,
val6: 0,
val7: 0,
val8: 0,
}, {
arg: 'NE',
val1: 0.5,
val2: 3.4,
val3: 8,
val4: 2,
val5: 0,
val6: 0,
val7: 0,
val8: 0,
}, {
arg: 'ENE',
val1: 0.3,
val2: 4.1,
val3: 2,
val4: 0,
val5: 0,
val6: 0,
val7: 0,
val8: 0,
}, {
arg: 'E',
val1: 1.2,
val2: 1.8,
val3: 0,
val4: 0,
val5: 0,
val6: 0,
val7: 0,
val8: 0,
}, {
arg: 'ESE',
val1: 0.7,
val2: 0.3,
val3: 0,
val4: 0,
val5: 0,
val6: 0,
val7: 0,
val8: 0,
}, {
arg: 'SE',
val1: 0.1,
val2: 0.3,
val3: 0,
val4: 0,
val5: 0,
val6: 0,
val7: 0,
val8: 0,
}, {
arg: 'SSE',
val1: 0.3,
val2: 0.4,
val3: 1,
val4: 0,
val5: 0,
val6: 0,
val7: 0,
val8: 0,
}, {
arg: 'S',
val1: 0.4,
val2: 0.8,
val3: 1,
val4: 0,
val5: 0,
val6: 0,
val7: 0,
val8: 0,
}, {
arg: 'SSW',
val1: 0.4,
val2: 1.5,
val3: 0,
val4: 0,
val5: 0,
val6: 0,
val7: 0,
val8: 0,
}, {
arg: 'SW',
val1: 0.8,
val2: 0.1,
val3: 1,
val4: 0,
val5: 0,
val6: 0,
val7: 0,
val8: 0,
}, {
arg: 'WSW',
val1: 0,
val2: 1.5,
val3: 2,
val4: 1,
val5: 0,
val6: 0,
val7: 0,
val8: 0,
}, {
arg: 'W',
val1: 0.3,
val2: 1,
val3: 6,
val4: 3,
val5: 0,
val6: 0,
val7: 0,
val8: 0,
}, {
arg: 'WNW',
val1: 0.3,
val2: 1.2,
val3: 3,
val4: 1,
val5: 1,
val6: 0,
val7: 0,
val8: 0,
}, {
arg: 'NW',
val1: 0.3,
val2: 0.7,
val3: 5,
val4: 2,
val5: 0,
val6: 0,
val7: 0,
val8: 0,
}, {
arg: 'NNW',
val1: 0.1,
val2: 2.5,
val3: 2,
val4: 2,
val5: 1,
val6: 0,
val7: 0,
val8: 0,
}],
}];
@Injectable()
export class Service {
getWindRoseData() {
return windRoseData;
}
getWindSources() {
return windSources;
}
}
<!DOCTYPE html>
<html lang="en">
<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=5.0" />
<link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/26.1.5/css/dx.light.css" />
</head>
<body class="dx-viewport">
<div class="demo-container">
<demo-app>Loading...</demo-app>
</div>
<script src="https://cdn.jsdelivr.net/npm/zone.js@0.16.2/bundles/zone.umd.js"></script>
<script src="./bundle.js" type="module"></script>
</body>
</html>