Axis Origin & Position (React)

By default the FlexChart places the X axis at the bottom of the plot area and the Y axis on the left. This keeps the axes outside the plot area and away from the data.

You can change this default behavior using two properties:

  • position: Specifies the position of the axis as None, Left, Top, Right, Bottom, or Auto.
  • origin: Specifies the value where the axis crosses its perpendicular axis. If speficied, origin takes precendence over position.

Learn about FlexChart | Axis Origin & Position Documentation | FlexChart API Reference

This example uses React.

import 'bootstrap.css'; import '@mescius/wijmo.styles/wijmo.css'; import ReactDOM from 'react-dom/client'; import React from 'react'; import * as Chart from '@mescius/wijmo.react.chart'; import './app.css'; import { data, palette } from './data'; function App() { return (<div className="container"> <div className="form-group"> <Chart.FlexChart palette={palette} itemsSource={data} chartType="Scatter" tooltipContent="" bindingX="x"> <Chart.FlexChartAxis wjProperty="axisY" axisLine={true} majorGrid={false} origin={0} majorUnit={1} max={1} min={-1} labels={false}/> <Chart.FlexChartAxis wjProperty="axisX" axisLine={true} majorGrid={false} origin={0} majorUnit={1} max={1} min={-1} labels={false}/> <Chart.FlexChartLegend position="None"/> <Chart.FlexChartSeries name="data1" binding="y1"/> <Chart.FlexChartSeries name="data2" binding="y2"/> </Chart.FlexChart> </div> </div>); } const container = document.getElementById('app'); if (container) { const root = ReactDOM.createRoot(container); root.render(<App />); }
<!DOCTYPE html> <html lang="en"> <head> <meta charset="utf-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <title>MESCIUS Wijmo Wijmo FlexChart Axis Origin & Position</title> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <!-- SystemJS --> <script src="https://cdnjs.cloudflare.com/ajax/libs/systemjs/0.19.40/system.src.js" integrity="sha512-G6mEj6h18+m3MvzdviSDfPle/TfH0//cXcB33AKlNR/Rha0yQsKefDZKRTkIZos97HEGq2JMV1RT5ybMoQ3WsQ==" crossorigin="anonymous"></script> <script src="systemjs.config.js"></script> <script> System.import('./src/app'); </script> </head> <body> <div id="app"></div> </body> </html>
.container .wj-flexchart { height: 600px; width: 600px; margin: 10px 0; }
import { isArray } from '@mescius/wijmo'; import { Palettes } from '@mescius/wijmo.chart'; function getData(num) { let data = [], cnt = 0; for (let i = 0; cnt < num; i++) { let x = 1 - 2 * Math.random(); let y = 1 - 2 * Math.random(); if (x * x + y * y <= 1) { data.push({ x: x, y1: y, y2: 0 - y }); cnt++; } } return data; } function getRandomPalette() { let palettes = Object.keys(Palettes).filter((prop) => isArray(Palettes[prop])); let rand = Math.floor(Math.random() * palettes.length); // return Palettes[palettes[rand]]; } export const data = getData(750); export const palette = getRandomPalette();
(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', '@mescius/wijmo': 'npm:@mescius/wijmo/index.js', '@mescius/wijmo.input': 'npm:@mescius/wijmo.input/index.js', '@mescius/wijmo.styles': 'npm:@mescius/wijmo.styles', '@mescius/wijmo.cultures': 'npm:@mescius/wijmo.cultures', '@mescius/wijmo.chart': 'npm:@mescius/wijmo.chart/index.js', '@mescius/wijmo.chart.analytics': 'npm:@mescius/wijmo.chart.analytics/index.js', '@mescius/wijmo.chart.animation': 'npm:@mescius/wijmo.chart.animation/index.js', '@mescius/wijmo.chart.annotation': 'npm:@mescius/wijmo.chart.annotation/index.js', '@mescius/wijmo.chart.finance': 'npm:@mescius/wijmo.chart.finance/index.js', '@mescius/wijmo.chart.finance.analytics': 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"npm:react-use-event-hook/dist/esm/useEvent.js", }, // packages tells the System loader how to load when no filename and/or no extension packages: { src: { defaultExtension: 'jsx' }, "node_modules": { defaultExtension: 'js' }, } }); })(this);