• BAD : Tracker
• Button : GLWindowMenu
• DODGY : Tracker
• GOOD : Tracker
• Monitor : GLWindowMenu
• Slider : GLWindowMenu
• SRC_EPIPOLAR : Measurement
• SRC_REFIND : Measurement
• SRC_ROOT : Measurement
• SRC_TRACKER : Measurement
• SRC_TRAIL : Measurement
• Toggle : GLWindowMenu
• TRAIL_TRACKING_COMPLETE : Tracker
• TRAIL_TRACKING_NOT_STARTED : Tracker
• TRAIL_TRACKING_STARTED : Tracker