import '@mescius/wijmo.styles/wijmo.css';
import './styles.css';
//
import { isIE } from '@mescius/wijmo';
import * as wjInput from '@mescius/wijmo.input';
import * as wjChart from '@mescius/wijmo.chart';
import { ChartGestures, InteractiveAxes, MouseAction } from '@mescius/wijmo.chart.interaction';
import { WebGLRenderEngine } from '@mescius/wijmo.chart.webgl';
import { getData } from './data';
document.readyState === 'complete' ? init() : window.onload = init;
function init() {
let chart = new wjChart.FlexChart('#theChart', {
chartType: 'Scatter',
bindingX: 'x',
binding: 'y',
axisX: { min: -2, max: 2 },
axisY: { min: -2, max: 2, axisLine: true, majorGrid: false },
});
// add interaction
let chartGestures = new ChartGestures(chart, {
interactiveAxes: InteractiveAxes.XY,
mouseAction: MouseAction.Zoom,
scaleY: 1,
posY: 0.5,
scaleX: 1,
posX: 0.5
});
//
// chart data helper
const refreshData = () => {
if (nSerMenu && nPtsMenu && symMenu) {
const nser = nSerMenu.selectedValue;
const npts = nPtsMenu.selectedValue;
const marker = symMenu.selectedValue;
chart.beginUpdate();
chart.series.length = 0;
for (let i = 0; i < nser; i++) {
let series = new wjChart.Series();
series.name = `ser ${i + 1}`;
series.symbolStyle = { strokeWidth: 0 };
series.symbolMarker = marker;
series.itemsSource = getData(Math.random() - 0.5, Math.random() - 0.5, npts / nser, 0.5 * (1 - i / nser));
chart.series.push(series);
}
chart.endUpdate();
}
};
//
// menu header helper
const updateMenuHeader = (menu, header) => {
menu.header = header ? `${header}: <b>${menu.text}</b>` : menu.text;
};
//
// number of points menu
const nPtsMenu = new wjInput.Menu('#nPtsMenu', {
selectedIndex: isIE() ? 1 : 2,
itemClicked: (s) => {
updateMenuHeader(s, 'NumPoints');
refreshData();
}
});
nPtsMenu.onItemClicked();
//
// number of series menu
let nSerMenu = new wjInput.Menu('#nSerMenu', {
itemClicked: (s) => {
updateMenuHeader(s, 'NumSeries');
refreshData();
}
});
nSerMenu.onItemClicked();
//
// series symbol menu
let symMenu = new wjInput.Menu('#symbolMenu', {
itemClicked: (s) => {
// const marker = parseInt(s.selectedValue);
const marker = s.selectedValue;
chart.series.forEach((ser) => ser.symbolMarker = marker);
updateMenuHeader(s, 'Symbol');
}
});
symMenu.onItemClicked();
//
// serias symbol size menu
let symSize = new wjInput.Menu('#symbolSize', {
itemClicked: (s) => {
chart.symbolSize = parseInt(s.selectedValue);
updateMenuHeader(s, 'Size');
}
});
symSize.onItemClicked();
//
// render engine to use
const webjlEl = document.getElementById('webgl');
const webglEng = new WebGLRenderEngine();
const svgEng = new wjChart.SvgRenderEngine();
const updateRenderEngin = () => {
chart.renderEngine = webjlEl.checked ? webglEng : svgEng;
};
webjlEl.addEventListener('click', updateRenderEngin);
updateRenderEngin();
//
// refresh data button
document.getElementById('btnNew').addEventListener('click', refreshData);
//
// reset zoom button
document.getElementById('btnReset').addEventListener('click', () => chartGestures.reset());
//
if (isIE()) {
nPtsMenu.itemsSource.pop();
nPtsMenu.itemsSource.pop();
}
// initialize data
refreshData();
}
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<title>WebGL</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="row">
<div class="col-sm-12">
<select id="nPtsMenu">
<option value="1000">1K</option>
<option value="10000">10K</option>
<option value="100000" selected="selected">100K</option>
<option value="200000">200K</option>
<option value="500000">500K</option>
</select>
<select id="nSerMenu">
<option value="1" selected="selected">1</option>
<option value="2">2</option>
<option value="4">4</option>
<option value="8">8</option>
</select>
<select id="symbolMenu">
<option value="Dot" selected="selected">Dot</option>
<option value="Box">Box</option>
</select>
<select id="symbolSize">
<option value="3" selected="selected">3</option>
<option value="5">5</option>
<option value="10">10</option>
<option value="20">20</option>
<option value="50">50</option>
</select>
<label>
Use WebGL
<input id="webgl" type="checkbox" checked="checked">
</label>
</div>
</div>
<div class="row">
<div class="col-sm-12">
<div id="theChart"></div>
</div>
</div>
<div class="row">
<div class="col-sm-12">
<button id="btnNew">Refresh Data</button>
<button id="btnReset">Reset Zoom</button>
</div>
</div>
</div>
</body>
</html>
export function getData(cx, cy, n, maxr) {
let data = new Array(n);
let r0 = 0.1 + maxr;
for (let i = 0; i < data.length; i++) {
let a = 2 * Math.PI * Math.random();
let r = r0 * Math.sqrt(-2 * Math.log(Math.random()));
data[i] = {
x: cx + r * Math.cos(a),
y: cy + r * Math.sin(a)
};
}
return data;
}
.wj-flexchart {
width: 600px;
height: 500px;
margin: 0;
}
(function (global) {
System.config({
transpiler: 'plugin-babel',
babelOptions: {
es2015: 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': 'npm:@mescius/wijmo.chart.finance.analytics/index.js',
'@mescius/wijmo.chart.hierarchical': 'npm:@mescius/wijmo.chart.hierarchical/index.js',
'@mescius/wijmo.chart.interaction': 'npm:@mescius/wijmo.chart.interaction/index.js',
'@mescius/wijmo.chart.radar': 'npm:@mescius/wijmo.chart.radar/index.js',
'@mescius/wijmo.chart.render': 'npm:@mescius/wijmo.chart.render/index.js',
'@mescius/wijmo.chart.webgl': 'npm:@mescius/wijmo.chart.webgl/index.js',
'@mescius/wijmo.chart.map': 'npm:@mescius/wijmo.chart.map/index.js',
'@mescius/wijmo.gauge': 'npm:@mescius/wijmo.gauge/index.js',
'@mescius/wijmo.grid': 'npm:@mescius/wijmo.grid/index.js',
'@mescius/wijmo.grid.detail': 'npm:@mescius/wijmo.grid.detail/index.js',
'@mescius/wijmo.grid.filter': 'npm:@mescius/wijmo.grid.filter/index.js',
'@mescius/wijmo.grid.search': 'npm:@mescius/wijmo.grid.search/index.js',
'@mescius/wijmo.grid.style': 'npm:@mescius/wijmo.grid.style/index.js',
'@mescius/wijmo.grid.grouppanel': 'npm:@mescius/wijmo.grid.grouppanel/index.js',
'@mescius/wijmo.grid.multirow': 'npm:@mescius/wijmo.grid.multirow/index.js',
'@mescius/wijmo.grid.transposed': 'npm:@mescius/wijmo.grid.transposed/index.js',
'@mescius/wijmo.grid.transposedmultirow': 'npm:@mescius/wijmo.grid.transposedmultirow/index.js',
'@mescius/wijmo.grid.pdf': 'npm:@mescius/wijmo.grid.pdf/index.js',
'@mescius/wijmo.grid.sheet': 'npm:@mescius/wijmo.grid.sheet/index.js',
'@mescius/wijmo.grid.xlsx': 'npm:@mescius/wijmo.grid.xlsx/index.js',
'@mescius/wijmo.grid.selector': 'npm:@mescius/wijmo.grid.selector/index.js',
'@mescius/wijmo.grid.cellmaker': 'npm:@mescius/wijmo.grid.cellmaker/index.js',
'@mescius/wijmo.nav': 'npm:@mescius/wijmo.nav/index.js',
'@mescius/wijmo.odata': 'npm:@mescius/wijmo.odata/index.js',
'@mescius/wijmo.olap': 'npm:@mescius/wijmo.olap/index.js',
'@mescius/wijmo.rest': 'npm:@mescius/wijmo.rest/index.js',
'@mescius/wijmo.pdf': 'npm:@mescius/wijmo.pdf/index.js',
'@mescius/wijmo.pdf.security': 'npm:@mescius/wijmo.pdf.security/index.js',
'@mescius/wijmo.viewer': 'npm:@mescius/wijmo.viewer/index.js',
'@mescius/wijmo.xlsx': 'npm:@mescius/wijmo.xlsx/index.js',
'@mescius/wijmo.undo': 'npm:@mescius/wijmo.undo/index.js',
'@mescius/wijmo.interop.grid': 'npm:@mescius/wijmo.interop.grid/index.js',
'@mescius/wijmo.touch': 'npm:@mescius/wijmo.touch/index.js',
'@mescius/wijmo.cloud': 'npm:@mescius/wijmo.cloud/index.js',
'@mescius/wijmo.barcode': 'npm:@mescius/wijmo.barcode/index.js',
'@mescius/wijmo.barcode.common': 'npm:@mescius/wijmo.barcode.common/index.js',
'@mescius/wijmo.barcode.composite': 'npm:@mescius/wijmo.barcode.composite/index.js',
'@mescius/wijmo.barcode.specialized': 'npm:@mescius/wijmo.barcode.specialized/index.js',
'jszip': 'npm:jszip/dist/jszip.js',
'bootstrap.css': 'npm:bootstrap/dist/css/bootstrap.min.css',
'css': 'npm:systemjs-plugin-css/css.js',
'plugin-babel': 'npm:systemjs-plugin-babel/plugin-babel.js',
'systemjs-babel-build':'npm:systemjs-plugin-babel/systemjs-babel-browser.js'
},
// packages tells the System loader how to load when no filename and/or no extension
packages: {
src: {
defaultExtension: 'js'
},
"node_modules": {
defaultExtension: 'js'
},
}
});
})(this);
