Waterfall

Waterfall charts help in understanding the cumulative effect of sequentially introduced positive or negative values. The Waterfall chart is also known as a "flying bricks" chart or Mario chart due to the apparent suspension of columns in mid-air.

This sample shows how to create a Waterfall chart, as well as how to use the connectorLines property to connect the bars and the total increase/decrease of the chart using the showTotal property.

Learn about FlexChart | Waterfall Chart Documentation | FlexChart API Reference

import 'bootstrap.css'; import '@mescius/wijmo.styles/wijmo.css'; import './styles.css'; // import * as chart from '@mescius/wijmo.chart'; import * as analytics from '@mescius/wijmo.chart.analytics'; import { getData } from './data'; // document.readyState === 'complete' ? init() : window.onload = init; // function init() { // create the chart let theChart = new chart.FlexChart('#theChart', { itemsSource: getData(), bindingX: 'date' }); // // create Waterfall series for 'sales' and add it to the chart let sales = new analytics.Waterfall({ name: 'Increase,Decrease,Total', binding: 'sales', styles: { start: { fill: 'blue', stroke: 'blue' }, total: { fill: 'yellow', stroke: 'yellow' }, falling: { fill: 'red', stroke: 'red' }, rising: { fill: 'green', stroke: 'green' }, connectorLines: { stroke: 'blue', 'stroke-dasharray': '3, 1' } } }); theChart.series.push(sales); // // customize the Waterfall series document.querySelector('#connectorLines').addEventListener('click', e => { sales.connectorLines = e.target.checked; }); // document.querySelector('#showTotal').addEventListener('click', e => { sales.showTotal = e.target.checked; }); // // randomize the data document.querySelector('#btnRandomize').addEventListener('click', () => { theChart.itemsSource = getData(); }); }
<!DOCTYPE html> <html lang="en"> <head> <meta charset="utf-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <title>MESCIUS Wijmo FlexChart Waterfall</title> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <!-- SystemJS --> <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'); </script> </head> <body> <div class="container-fluid"> <div class="form-group"> <label for="connectorLines">Show Connector Lines: </label> <input id="connectorLines" type="checkbox"> </div> <div class="form-group"> <label for="showTotal">Show Total Bar: </label> <input id="showTotal" type="checkbox"> </div> <div class="form-group"> <label for="btnRandomize">Randomize Data</label> <button id="btnRandomize" class="btn btn-default"> Go </button> </div> <div id="theChart"></div> </div> </body> </html>
import * as wijmo from '@mescius/wijmo'; // // create some data export function getData() { let data = [], date = new Date(); // date = wijmo.DateTime.addYears(date, -1); for (let month = 0; month < 12; month++) { data.push({ date: wijmo.Globalize.format(date, 'MMM yyyy'), sales: (Math.random() - .4) * 1000 }); // date = wijmo.DateTime.addMonths(date, 1); } // return data; }
.wj-flexchart { height: 300px; } label { width: 200px; text-align: right; } body { margin-bottom: 24pt; }
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