o make design choices. In building gio, we more or less mirrored the JavaScript code one to one: where there is a JavaScript function to change the theme of the visualisation, there is one in R, etc. This might not scale appropriately as more and more functions are added to the package.</p>
<p>As observed, the gio.js library has a function named <code>setStyle</code> to change the theme of the visualisation, but it has numerous others, <code>setSurfaceColor</code>, <code>addHalo</code>, <code>setHaloColor</