For spatial or network data, an HTML canvas or SVG element can plot origins on a grid or map.
Create a file named originhelpertools.html and add the basic structure. originhelpertoolshtml
<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <title>Origin Helper Tools | Data Workstation</title> <style> body font-family: Arial, sans-serif; margin: 2rem; background: #f4f7fc; .container max-width: 1200px; margin: auto; background: white; padding: 2rem; border-radius: 8px; button background: #0078d4; color: white; border: none; padding: 8px 16px; cursor: pointer; margin: 5px; textarea, input, select width: 100%; padding: 8px; margin: 8px 0; table width: 100%; border-collapse: collapse; margin-top: 1rem; th, td border: 1px solid #ccc; padding: 8px; text-align: left; </style> </head> <body> <div class="container"> <h1>📁 Origin Helper Tools (originhelpertoolshtml)</h1> <p>Load, validate, transform, and export your origin-based data.</p><div id="toolbar"> <button onclick="loadSampleData()">Load Sample Origins</button> <input type="file" id="jsonLoader" accept=".json" style="width: auto;" /> <button onclick="exportToJSON()">Export as JSON</button> </div> <h3>Data Editor</h3> <div id="dataGrid"></div></div>
<script src="originhelper.js"></script> </body> </html>For spatial or network data, an HTML canvas