         });
                },
                (i) => {
                    log_message("Enabling controller visualization. No log message " +
                                "and the controllers will only be visible in the " +
                                "VR/AR session.", i)
                    viewer.handle_command({
                        type: "visualize_vr_controllers"
                    });
                },
                (i) => {
                    log_message("Switching to orthographic ca