Error Bars (React)

The ErrorBar class extends the regular Series class to provide error bars that can be added on top of the regular series data.

This example uses React.

import 'bootstrap.css'; import '@grapecity/wijmo.styles/wijmo.css'; import './app.css'; // import * as React from 'react'; import * as ReactDOM from 'react-dom'; // import * as chart from '@grapecity/wijmo.chart'; import * as wjInput from '@grapecity/wijmo.react.input'; import * as wjChart from '@grapecity/wijmo.react.chart'; import * as wjChartAnalytics from '@grapecity/wijmo.react.chart.analytics'; import { getData, getComboData } from './data'; class App extends React.Component { constructor(props) { super(props); this.randomizeData = () => { this.setState({ data: getData() }); }; this.onChartTypeChanged = (sender) => { this.setState({ chartType: sender.selectedValue }); }; this.onErrorChanged = (sender) => { this.setState({ errorValue: sender.selectedItem.value, errorMode: sender.selectedItem.mode }); }; this.state = { data: getData(), comboData: getComboData(), chartTypes: ['Column', 'Bar', 'Scatter', 'Line', 'LineSymbols', 'Area', 'Spline', 'SplineSymbols', 'SplineArea'], chartType: 'Column', errorValue: null, errorMode: 'Custom', palette: (() => { // Get random palette let palettes = Object.getOwnPropertyNames(chart.Palettes) .filter(prop => typeof chart.Palettes[prop] === "object" && prop !== 'prototype'); let rand = Math.floor(Math.random() * palettes.length); // return chart.Palettes[palettes[rand]]; })() }; } render() { return <div className="container-fluid"> <div className="form-group"> <label htmlFor="chartType">Chart Type:</label> <wjInput.ComboBox id="chartType" itemsSource={this.state.chartTypes} selectedIndexChanged={this.onChartTypeChanged}> </wjInput.ComboBox> </div> <div className="form-group"> <label htmlFor="error">Error</label> <wjInput.ComboBox id="error" displayMemberPath="hdr" itemsSource={this.state.comboData} selectedIndexChanged={this.onErrorChanged}> </wjInput.ComboBox> </div> <div className="form-group"> <label htmlFor="btnRandomize">Randomize Data</label> <button id="btnRandomize" className="btn btn-default" onClick={this.randomizeData}> Go </button> </div> <wjChart.FlexChart bindingX="date" itemsSource={this.state.data} palette={this.state.palette} chartType={this.state.chartType}> <wjChartAnalytics.FlexChartErrorBar binding={this.state.errorValue ? 'amount' : 'amount,errorPlus,errorMinus'} name="Sales" groupWidth={0.7} gapWidth={0.2} errorBarStyle={{ stroke: 'darkred', strokeWidth: 3 }} value={this.state.errorValue} errorAmount={this.state.errorMode}> </wjChartAnalytics.FlexChartErrorBar> </wjChart.FlexChart> </div>; } } ReactDOM.render(<App />, document.getElementById('app'));
<!DOCTYPE html> <html lang="en"> <head> <meta charset="utf-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <title>GrapeCity Wijmo FlexChart ErrorBar</title> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <!-- SystemJS --> <script src="node_modules/systemjs/dist/system.src.js"></script> <script src="systemjs.config.js"></script> <script> System.import('./src/app'); </script> </head> <body> <div id="app"></div> </body> </html>
.wj-flexchart { height: 250px; margin: 10px 0; } label { margin-right: 3px; } body { margin-bottom: 24pt; }
import * as wijmo from '@grapecity/wijmo'; export function getData() { let arr = [], date = new Date(); // for (let i = 0; i < 10; i++) { arr.push({ date: date, amount: 20 + 80 * Math.random(), errorPlus: 10 * Math.random(), errorMinus: 10 * Math.random(), }); // date = wijmo.DateTime.addMonths(date, 1); } // return arr; } // export function getComboData() { return [ { hdr: 'Bound Error Values', value: null, mode: 'Custom' }, { hdr: '15%', value: .15, mode: 'Percentage' }, { hdr: '5 units', value: 5, mode: 'FixedValue' }, { hdr: '1.5 Std Dev', value: 1.5, mode: 'StandardDeviation' }, { hdr: 'Standard Error', value: 1, mode: 'StandardError' }, { hdr: 'Plus 5, Minus 10', value: { plus: 5, minus: 10 }, mode: 'Custom' } ]; }
(function (global) { System.config({ transpiler: 'plugin-babel', babelOptions: { es2015: true, react: true }, meta: { '*.css': { loader: 'css' } }, paths: { // paths serve as alias 'npm:': 'node_modules/' }, // map tells the System loader where to look for things map: { 'jszip': 'npm:jszip/dist/jszip.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', '@grapecity/wijmo.chart.hierarchical': 'npm:@grapecity/wijmo.chart.hierarchical/index.js', '@grapecity/wijmo.chart.interaction': 'npm:@grapecity/wijmo.chart.interaction/index.js', '@grapecity/wijmo.chart.radar': 'npm:@grapecity/wijmo.chart.radar/index.js', '@grapecity/wijmo.chart.render': 'npm:@grapecity/wijmo.chart.render/index.js', '@grapecity/wijmo.chart.webgl': 'npm:@grapecity/wijmo.chart.webgl/index.js', '@grapecity/wijmo.gauge': 'npm:@grapecity/wijmo.gauge/index.js', '@grapecity/wijmo.grid': 'npm:@grapecity/wijmo.grid/index.js', '@grapecity/wijmo.grid.detail': 'npm:@grapecity/wijmo.grid.detail/index.js', '@grapecity/wijmo.grid.filter': 'npm:@grapecity/wijmo.grid.filter/index.js', '@grapecity/wijmo.grid.search': 'npm:@grapecity/wijmo.grid.search/index.js', '@grapecity/wijmo.grid.grouppanel': 'npm:@grapecity/wijmo.grid.grouppanel/index.js', '@grapecity/wijmo.grid.multirow': 'npm:@grapecity/wijmo.grid.multirow/index.js', '@grapecity/wijmo.grid.transposed': 'npm:@grapecity/wijmo.grid.transposed/index.js', '@grapecity/wijmo.grid.pdf': 'npm:@grapecity/wijmo.grid.pdf/index.js', '@grapecity/wijmo.grid.sheet': 'npm:@grapecity/wijmo.grid.sheet/index.js', '@grapecity/wijmo.grid.xlsx': 'npm:@grapecity/wijmo.grid.xlsx/index.js', '@grapecity/wijmo.grid.selector': 'npm:@grapecity/wijmo.grid.selector/index.js', '@grapecity/wijmo.grid.cellmaker': 'npm:@grapecity/wijmo.grid.cellmaker/index.js', '@grapecity/wijmo.grid.immutable': 'npm:@grapecity/wijmo.grid.immutable/index.js', '@grapecity/wijmo.touch': 'npm:@grapecity/wijmo.touch/index.js', '@grapecity/wijmo.cloud': 'npm:@grapecity/wijmo.cloud/index.js', '@grapecity/wijmo.nav': 'npm:@grapecity/wijmo.nav/index.js', '@grapecity/wijmo.odata': 'npm:@grapecity/wijmo.odata/index.js', '@grapecity/wijmo.olap': 'npm:@grapecity/wijmo.olap/index.js', '@grapecity/wijmo.pdf': 'npm:@grapecity/wijmo.pdf/index.js', '@grapecity/wijmo.viewer': 'npm:@grapecity/wijmo.viewer/index.js', '@grapecity/wijmo.xlsx': 'npm:@grapecity/wijmo.xlsx/index.js', '@grapecity/wijmo.undo': 'npm:@grapecity/wijmo.undo/index.js', '@grapecity/wijmo.interop.grid': 'npm:@grapecity/wijmo.interop.grid/index.js', "@grapecity/wijmo.react.chart.analytics": "npm:@grapecity/wijmo.react.chart.analytics/index.js", "@grapecity/wijmo.react.chart.animation": "npm:@grapecity/wijmo.react.chart.animation/index.js", "@grapecity/wijmo.react.chart.annotation": "npm:@grapecity/wijmo.react.chart.annotation/index.js", "@grapecity/wijmo.react.chart.finance.analytics": "npm:@grapecity/wijmo.react.chart.finance.analytics/index.js", "@grapecity/wijmo.react.chart.finance": "npm:@grapecity/wijmo.react.chart.finance/index.js", "@grapecity/wijmo.react.chart.hierarchical": "npm:@grapecity/wijmo.react.chart.hierarchical/index.js", "@grapecity/wijmo.react.chart.interaction": "npm:@grapecity/wijmo.react.chart.interaction/index.js", "@grapecity/wijmo.react.chart.radar": "npm:@grapecity/wijmo.react.chart.radar/index.js", 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packages: { src: { defaultExtension: 'jsx' }, "node_modules": { defaultExtension: 'js' }, } }); })(this);