Art ARTTRACK Installation Manual page 78

5 System setup
Big active spherical markers:
+ several single LEDs per marker, covered with light scatter-
ing spheres,
+ provide visibility from all sides and up to very high distances
(approx. 20m),
+ suitable for outdoor tracking,
- diameter: 50mm,
- weight: 50g.
Big active flat markers:
+ several single LEDs per marker, covered with light scatter-
ing surface,
+ tracking up to very high distances (approx. 20m),
+ suitable for outdoor tracking,
+ magnetic base for easy positioning on metal surfaces,
- the angular range of visibility is limited to less than 180 ,
- diameter: 30mm.
All active markers provided by
supply.
(a) Single LED
78
ART are controlled by a special PC board and need power
Figure 5.26: Angular range of visibility
(b) Single LED with diffusor sphere