Tickmarks

Tickmarks may be shown along the face to help users read the gauge. Their visibility and position are controlled by the showTicks, tickSpacing, and step properties.

The tickmark color and width can be defined in CSS or in code.

import 'bootstrap.css'; import '@grapecity/wijmo.styles/wijmo.css'; import './styles.css'; import * as input from '@grapecity/wijmo.input'; import * as gauge from '@grapecity/wijmo.gauge'; // document.readyState === 'complete' ? init() : window.onload = init; // function init() { // create the gauge let theGauge = new gauge.RadialGauge('#theGauge', { isReadOnly: false, hasShadow: false, showText: 'All', showTicks: true, tickSpacing: 10, startAngle: -30, sweepAngle: 240, value: 50, pointer: { thickness: 0.5 } }); // // customize tickmarks document.getElementById('showTicks').addEventListener('click', (e) => { theGauge.showTicks = e.target.checked; }); let tickSpacing = new input.InputNumber('#tickSpacing', { min: 0, max: 100, step: 5, format: 'n0', value: theGauge.tickSpacing, valueChanged: (s, e) => { theGauge.tickSpacing = s.value; } }); let tickColor = new input.InputColor('#tickColor', { value: 'white', valueChanged: (s, e) => { let style = theGauge.hostElement.querySelector('.wj-ticks').style; style.stroke = s.value; } }); let tickWidth = new input.InputNumber('#tickWidth', { min: 0, max: 5, step: .25, format: 'n1', value: 2, valueChanged: (s, e) => { let style = theGauge.hostElement.querySelector('.wj-ticks').style; style.strokeWidth = s.value.toString(); } }); }
<!DOCTYPE html> <html lang="en"> <head> <meta charset="utf-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <title>Tickmarks</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 class="container-fluid"> <div class="row"> <div class="col-xs-6"> <div class="form-check"> <label for="showTicks" class="form-check-label">Tickmarks:</label> <input id="showTicks" type="checkbox" checked="checked" class="form-check-input"> </div> <div class="form-group"> <label for="tickSpacing">Spacing:</label> <div id="tickSpacing"></div> </div> <div class="form-group"> <label for="tickWidth">Width:</label> <div id="tickWidth"></div> </div> <div class="form-group"> <label for="tickColor">Color:</label> <div id="tickColor"></div> </div> </div> <div class="col-xs-6"> <div id="theGauge"></div> </div> </div> </div> </body> </html>
.wj-gauge { height: 150px; margin: 20px auto; padding: 12px; background: rgba(0, 0, 0, .02); box-shadow: 0 3px 6px rgba(0,0,0,0.16), 0 3px 6px rgba(0,0,0,0.23); } .wj-gauge .wj-ticks { stroke: white; stroke-width: 2px; } label { width: 120px; text-align: right; margin-right: 3px; } .wj-dropdown, .wj-inputnumber { width: 120px; }
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