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Range Selector

Numeric Scale

Documentation
In this demo, data used to define the RangeSelector scale comes in the string type. However, there is the valueType option that specifies the actual data type of the scale. As this option is set to "numeric", the string data will be cast to the numeric type.
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<dx-range-selector id="range-selector" [value]="['1', '2']" title="Select a Product Weight" [dataSource]="dataSource"> <dxo-margin [top]="50"></dxo-margin> <dxo-size [height]="400"></dxo-size> <dxo-scale valueType="numeric"></dxo-scale> <dxo-chart> <dxi-series valueField="appleCost" color="#00ff00"></dxi-series> <dxi-series valueField="orangeCost" color="#ffa500"></dxi-series> <dxo-common-series-settings type="spline" argumentField="weight"> </dxo-common-series-settings> </dxo-chart> </dx-range-selector>
import { NgModule, Component } from '@angular/core'; import { BrowserModule } from '@angular/platform-browser'; import { platformBrowserDynamic } from '@angular/platform-browser-dynamic'; import { DxRangeSelectorModule } from 'devextreme-angular'; import { Service, Product } from './app.service'; @Component({ selector: 'demo-app', providers: [Service], templateUrl: 'app/app.component.html', styleUrls: ['app/app.component.css'] }) export class AppComponent { dataSource: Product[]; constructor(service: Service) { this.dataSource = service.getProducts(); } } @NgModule({ imports: [ BrowserModule, DxRangeSelectorModule ], declarations: [AppComponent], bootstrap: [AppComponent] }) export class AppModule { } platformBrowserDynamic().bootstrapModule(AppModule);
/deep/ #range-selector { height: 440px; width: 100%; }
import { Injectable } from '@angular/core'; export class Product { weight: string; appleCost: number; orangeCost: number; } let products: Product[] = [ { weight: "1", appleCost: 3, orangeCost: 7 }, { weight: "2", appleCost: 20, orangeCost: 14 }, { weight: "3", appleCost: 21, orangeCost: 21 }, { weight: "4", appleCost: 22, orangeCost: 28 }, { weight: "5", appleCost: 25, orangeCost: 35 }, { weight: "6", appleCost: 30, orangeCost: 42 }, { weight: "7", appleCost: 35, orangeCost: 44 }, { weight: "8", appleCost: 42, orangeCost: 45 }, { weight: "9", appleCost: 49, orangeCost: 46 }, { weight: "10", appleCost: 60, orangeCost: 47 } ]; @Injectable() export class Service { getProducts(): Product[] { return products; } }
// In real applications, you should not transpile code in the browser. You can see how to create your own application with Angular 2 and DevExtreme here: // https://github.com/DevExpress/devextreme-angular/blob/master/README.md System.config({ transpiler: 'ts', typescriptOptions: { module: "commonjs", emitDecoratorMetadata: true, experimentalDecorators: true }, meta: { 'typescript': { "exports": "ts" } }, paths: { 'npm:': 'https://unpkg.com/' }, map: { 'ts': 'npm:plugin-typescript@4.0.10/lib/plugin.js', 'typescript': 'npm:typescript@2.0.6/lib/typescript.js', '@angular/core': 'npm:@angular/core@2.4.3/bundles/core.umd.js', '@angular/common': 'npm:@angular/common@2.4.3/bundles/common.umd.js', '@angular/compiler': 'npm:@angular/compiler@2.4.3/bundles/compiler.umd.js', '@angular/platform-browser': 'npm:@angular/platform-browser@2.4.3/bundles/platform-browser.umd.js', '@angular/platform-browser-dynamic': 'npm:@angular/platform-browser-dynamic@2.4.3/bundles/platform-browser-dynamic.umd.js', '@angular/http': 'npm:@angular/http@2.4.3/bundles/http.umd.js', '@angular/router': 'npm:@angular/router@3.4.3/bundles/router.umd.js', '@angular/forms': 'npm:@angular/forms@2.4.3/bundles/forms.umd.js', 'rxjs': 'npm:rxjs@5.0.3', 'jszip': 'npm:jszip@3.1.3/dist/jszip.min.js', 'devextreme': 'npm:devextreme@16.2', 'jquery': 'npm:jquery@3.1.1/dist/jquery.min.js', 'devextreme-angular': 'npm:devextreme-angular@16.2' }, packages: { 'app': { main: './app.component.ts', defaultExtension: 'ts' }, 'devextreme': { defaultExtension: 'js' }, 'devextreme-angular': { main: 'index.js', defaultExtension: 'js' } } });
<!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/16.2.5/css/dx.spa.css" /> <link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/16.2.5/css/dx.common.css" /> <link rel="dx-theme" data-theme="generic.light" href="https://cdn3.devexpress.com/jslib/16.2.5/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@0.6.25/dist/zone.js"></script> <script src="https://unpkg.com/reflect-metadata@0.1.3/Reflect.js"></script> <script src="https://unpkg.com/systemjs@0.19.31/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>