<html><head><meta http-equiv="content-type" content="text/html; charset=us-ascii"></head><body style="overflow-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;">Using layer is more easy as using a ProximitySensor. Each Layer node has its own X3DBindableNode stack, thus own viewpoints, background, fog, navigation info. There can only be one active layer where navigation takes place, to be specified with LayerSet.activeLayer. Example attached.<div><br></div><div>Best regards,</div><div>Holger</div><div><br></div><div></div></body></html>