Annotations (Angular)

The sample shows basic usage of AnnotationLayer and various built-in types of Annotations, including: Circle, Ellipse, Image, Line, Polygon, Rectangle, Square and Text.

You can use attachment property to set different attach types of annotation.

This example uses Angular.

import 'bootstrap.css'; import '@grapecity/wijmo.styles/wijmo.css'; import './styles.css'; // import { Component, Inject, enableProdMode, NgModule } from '@angular/core'; import { platformBrowserDynamic } from '@angular/platform-browser-dynamic'; import { BrowserModule } from '@angular/platform-browser'; import { WjChartModule } from '@grapecity/wijmo.angular2.chart'; import { WjChartAnnotationModule } from '@grapecity/wijmo.angular2.chart.annotation'; import { DataService } from './app.data'; // @Component({ selector: 'app-component', templateUrl: 'src/app.component.html' }) export class AppComponent { data: any[]; basic: any; // constructor(@Inject(DataService) private dataService: DataService) { this.data = dataService.getData(); this.basic = { rectDate: new Date(2014, 1, 10), imageDate: new Date(2014, 0, 25) }; } } // @NgModule({ imports: [WjChartModule, WjChartAnnotationModule, BrowserModule], declarations: [AppComponent], providers: [DataService], bootstrap: [AppComponent] }) export class AppModule { } // enableProdMode(); // Bootstrap application with hash style navigation and global services. platformBrowserDynamic().bootstrapModule(AppModule);
<!DOCTYPE html> <html lang="en"> <head> <meta charset="utf-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <title>GrapeCity Wijmo FlexChart Annotations</title> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <!-- Polyfills --> <script src="node_modules/core-js/client/shim.min.js"></script> <script src="node_modules/zone.js/dist/zone.min.js"></script> <!-- SystemJS --> <script src="node_modules/systemjs/dist/system.js"></script> <script src="systemjs.config.js"></script> <script> // workaround to load 'rxjs/operators' from the rxjs bundle System.import('rxjs').then(function (m) { System.set(SystemJS.resolveSync('rxjs/operators'), System.newModule(m.operators)); System.import('./src/app.component'); }); </script> </head> <body> <app-component></app-component> </body> </html>
<div class="container-fluid"> <div class="form-group"> <wj-flex-chart [itemsSource]="data" chartType="Line" bindingX="date"> <wj-flex-chart-series binding="sale"></wj-flex-chart-series> <wj-flex-chart-legend position="Left"></wj-flex-chart-legend> <wj-flex-chart-annotation-layer control="al"> <wj-flex-chart-annotation-circle [radius]="40" [offset]="{x: 0, y: -15}" [seriesIndex]="0" [pointIndex]="33" content="DataIndex" position="Center" attachment="DataIndex" tooltip="This is Circle annotation. &lt;/br&gt; radius: 40 &lt;/br&gt; pointIndex: 33 &lt;/br&gt; attachment: DataIndex" [style]="{ 'fill': '#a3d1a7', 'stroke': '#7b9e7e', 'fill-opacity': 1, 'stroke-width': 2, 'stroke-opacity': 1 }"></wj-flex-chart-annotation-circle> <wj-flex-chart-annotation-square [length]="80" [offset]="{x: 0, y: -15}" [seriesIndex]="0" [pointIndex]="45" content="DataIndex" position="Center" attachment="DataIndex" tooltip="This is square annotation. &lt;/br&gt;length: 80 &lt;/br&gt; pointIndex: 45 &lt;/br&gt; attachment: DataIndex" [style]="{ 'fill': '#c4af71', 'stroke': '#918254', 'fill-opacity': 1, 'stroke-width': 2, 'stroke-opacity': 1 }"></wj-flex-chart-annotation-square> <wj-flex-chart-annotation-line content="Absolute" position="Center" [start]="{x: 50, y: 150}" [end]="{x: 350, y: 300}" tooltip="This is line annotation. &lt;/br&gt; start: { x: 50, y: 150 } end: { x: 350, y: 300 } &lt;/br&gt; attachment: Absolute" [style]="{ 'fill': '#FE2E2E', 'stroke': '#01A9DB', 'fill-opacity': 2, 'stroke-width': 4, 'stroke-opacity': 1 }"></wj-flex-chart-annotation-line> <wj-flex-chart-annotation-text attachment="Relative" text="Relative" position="Center" [point]="{x:0.55, y:0.15}" tooltip="This is text annotation.&lt;/br&gt;point: { x: 0.55, y: 0.15 }&lt;/br&gt; attachment: Relative" [style]="{ 'fill': '#bbbbbb', 'font-size': '26px' }"></wj-flex-chart-annotation-text> <wj-flex-chart-annotation-ellipse content="Relative" position="Center" attachment="Relative" [point]="{x:0.4,y:0.5}" tooltip="This is ellipse annotation.&lt;/br&gt;point: { x: 0.4, y: 0.45 }&lt;/br&gt; attachment: Relative" [style]="{ 'fill': '#f5bc78', 'stroke': '#c2955f', 'fill-opacity': 1, 'stroke-width': 2, 'stroke-opacity': 1 }"></wj-flex-chart-annotation-ellipse> <wj-flex-chart-annotation-rectangle content="DataCoordinate" position="Center" attachment="DataCoordinate" [point]="{x: basic.rectDate, y: 30}" tooltip="This is rectangle annotation.&lt;/br&gt;point:{ x: new Date(2014, 1, 10), y: 40 }&lt;/br&gt; attachment: DataCoordinate" [style]="{ 'fill': '#c5aacd', 'stroke': '#937f99', 'fill-opacity': 1, 'stroke-width': 2, 'stroke-opacity': 1 }"></wj-flex-chart-annotation-rectangle> <wj-flex-chart-annotation-image position="Center" attachment="DataCoordinate" href="resources/wijmo5-flexible.png" [point]="{x: basic.imageDate, y: 30}" tooltip="This is image annotation.&lt;/br&gt;point:{x: new Date(2014, 0, 25), y: 20}&lt;/br&gt; attachment: DataCoordinate" [style]="{ 'fill': '#01DFD7', 'stroke': '#000000', 'fill-opacity': 1, 'stroke-width': 1, 'stroke-opacity': 1}"></wj-flex-chart-annotation-image> <wj-flex-chart-annotation-polygon content="Absolute" position="Center" tooltip="This is polygon annotation.&lt;/br&gt;paths: [(200,0),(150,50),(175,100),(255,100),(250, 50)]&lt;/br&gt; attachment: Absolute" [style]="{ 'fill': '#FE2E2E', 'stroke': '#01A9DB', 'fill-opacity': 2, 'stroke-width': 4, 'stroke-opacity': 1 }"> <wj-flex-chart-data-point wjProperty="points" [x]="200" [y]="0"></wj-flex-chart-data-point> <wj-flex-chart-data-point wjProperty="points" [x]="150" [y]="50"></wj-flex-chart-data-point> <wj-flex-chart-data-point wjProperty="points" [x]="175" [y]="100"></wj-flex-chart-data-point> <wj-flex-chart-data-point wjProperty="points" [x]="225" [y]="100"></wj-flex-chart-data-point> <wj-flex-chart-data-point wjProperty="points" [x]="250" [y]="50"></wj-flex-chart-data-point> </wj-flex-chart-annotation-polygon> </wj-flex-chart-annotation-layer> </wj-flex-chart> </div> </div>
import { Injectable } from '@angular/core'; import * as core from '@grapecity/wijmo'; // @Injectable() export class DataService { getData() { var data = [], sales = [ 96, 19, 54, 83, 15, 56, 36, 4, 29, 93, 38, 71, 50, 77, 69, 13, 79, 57, 29, 62, 4, 27, 66, 96, 65, 12, 52, 3, 61, 48, 50, 70, 39, 33, 25, 49, 69, 46, 44, 40, 35, 72, 64, 10, 66, 63, 78, 19, 96, 26]; for (var i = 0; i < 50; i++) { data.push({ sale: sales[i], date: new Date(2014, 0, i), }); } return data; } }
.wj-flexchart { margin: 10px 0; } body { margin-bottom: 24pt; }
(function (global) { System.config({ transpiler: 'ts', typescriptOptions: { tsconfig: true }, meta: { 'typescript': { "exports": "ts" }, '*.css': { loader: 'css' } }, paths: { // paths serve as alias 'npm:': 'node_modules/' }, // map tells the System loader where to look for things map: { 'core-js': 'npm:core-js/client/shim.min.js', 'zone': 'npm:zone.js/dist/zone.min.js', //'reflect-metadata': 'npm:reflect-metadata/Reflect.js', 'rxjs': 'npm:rxjs/bundles/rxjs.umd.min.js', //'rxjs': 'npm:rxjs', //'rxjs/operators': 'npm:rxjs/operators', '@angular/core': 'npm:@angular/core/bundles/core.umd.min.js', '@angular/common': 'npm:@angular/common/bundles/common.umd.min.js', '@angular/compiler': 'npm:@angular/compiler/bundles/compiler.umd.min.js', '@angular/platform-browser': 'npm:@angular/platform-browser/bundles/platform-browser.umd.min.js', '@angular/platform-browser-dynamic': 'npm:@angular/platform-browser-dynamic/bundles/platform-browser-dynamic.umd.min.js', '@angular/http': 'npm:@angular/http/bundles/http.umd.min.js', '@angular/common/http': 'npm:@angular/common/bundles/common-http.umd.min.js', '@angular/router': 'npm:@angular/router/bundles/router.umd.min.js', '@angular/forms': 'npm:@angular/forms/bundles/forms.umd.min.js', '@grapecity/wijmo': 'npm:@grapecity/wijmo/index.js', '@grapecity/wijmo.input': 'npm:@grapecity/wijmo.input/index.js', '@grapecity/wijmo.styles': 'npm:@grapecity/wijmo.styles', '@grapecity/wijmo.cultures': 'npm:@grapecity/wijmo.cultures', '@grapecity/wijmo.chart': 'npm:@grapecity/wijmo.chart/index.js', '@grapecity/wijmo.chart.analytics': 'npm:@grapecity/wijmo.chart.analytics/index.js', '@grapecity/wijmo.chart.animation': 'npm:@grapecity/wijmo.chart.animation/index.js', '@grapecity/wijmo.chart.annotation': 'npm:@grapecity/wijmo.chart.annotation/index.js', '@grapecity/wijmo.chart.finance': 'npm:@grapecity/wijmo.chart.finance/index.js', '@grapecity/wijmo.chart.finance.analytics': 'npm:@grapecity/wijmo.chart.finance.analytics/index.js', 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//'rxjs/operators': {main: 'index.js', defaultExtension: 'js' }, // 'rxjs/testing': {main: 'index.js', defaultExtension: 'js' }, // 'rxjs/webSocket': {main: 'index.js', defaultExtension: 'js' }, "node_modules": { defaultExtension: 'js' }, wijmo: { defaultExtension: 'js', } } }); })(this);