is poorly posed; you won't see anything.", i);
                    viewer.set_camera(orthcam);
                    viewer.set_object(["Cameras", "default", "rotated"], orthcam);
                },
                (i) => {
                    log_message("Invoking 'enable_webxr' (with orthographic camera). " +
                        "An XR button gets added but it is disabled and its label " +
                        "indicates the reason", i);
                    viewer.handle_command({
                   