 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
| • |
User
Interface Manager
|
|
|
|
– |
To
manage and display the user interfaces of other
|
|
|
subsystems
|
|
|
| • |
Calibration
User Interface
|
|
|
|
– |
An
interface for calibrating the wire-frame overlay
|
|
|
| • |
Device
Drivers to Support I/O Devices
|
|
|
|
– |
Joystick,
HMD, Positioning and Orientation Devices
|
|
|
| • |
Event
System
|
|
|
|
– |
To
interpret low level events and dispatch them to the
|
|
appropriate
subsystems
|
|