Annotations (Vue)

The sample shows basic usage of the AnnotationLayer class 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.

Learn about FlexChart | Annotation Documentation | FlexChart API Reference

This example uses Vue.

The demo is being dynamically compiled to support real-time code editing... For quicker access to features, switch to the "JavaScript" tab for a smoother experience! :)
app.vue
index.html
data.js
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<template> <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> <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> </template> <script setup> import { getData } from "./data"; import * as wjChart from "@mescius/wijmo.chart"; import { ref } from "vue"; const data = ref(getData()); const basic = ref({ rectDate: new Date(2014, 1, 10), imageDate: new Date(2014, 0, 25), }); </script> <style> .container .wj-flexchart { margin: 10px 0; } body { margin-bottom: 24pt; } </style>
<template> <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> <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> </template> <script setup> import { getData } from "./data"; import * as wjChart from "@mescius/wijmo.chart"; import { ref } from "vue"; const data = ref(getData()); const basic = ref({ rectDate: new Date(2014, 1, 10), imageDate: new Date(2014, 0, 25), }); </script> <style> .container .wj-flexchart { margin: 10px 0; } body { margin-bottom: 24pt; } </style>
<!DOCTYPE html> <html lang="en"> <head> <meta charset="utf-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <title>MESCIUS Wijmo FlexChart Annotations</title> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <!-- SystemJS --> <script src="compiler.js" type="module"></script> <script src="https://cdnjs.cloudflare.com/ajax/libs/systemjs/0.21.5/system.src.js" integrity="sha512-skZbMyvYdNoZfLmiGn5ii6KmklM82rYX2uWctBhzaXPxJgiv4XBwJnFGr5k8s+6tE1pcR1nuTKghozJHyzMcoA==" crossorigin="anonymous"></script> <script src="systemjs.config.js"></script> <script> System.import('./src/app.js'); </script> </head> <body> <div id="app"> </div> </body> </html>
import * as core from '@mescius/wijmo'; export function 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; }
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