6 Interaction devices
Standard Fingertracking When you connect the battery charger to a power socket, the
red LED ("Status") is switched on and the green LED ("Charge") starts flashing. As soon
as you place the battery correctly in the charger, the "Charge" LED changes its colour to
red and stops flashing. Once the battery is fully charged the "Charge" LED changes its
colour to green again. Now, the battery may be used.
FINGERTRACKING2 Tactile Insert the batteries in the corresponding slots and plug
the charger into a power socket. Charging will start automatically. When the batteries are
fully charged all LEDs adjacent to the corresponding slot will light up. Please refer to the
manual of the charger for further details.
6.4.6 Fingertracking Installation
The following steps describe a full calibration of one hand using non-customized ART Fin-
gertracking hardware:
1. Select the number of hands you want to use with your tracking system (up to 4).
2. Assign body calibrations for all hand targets (using the target library). When using
customized hand targets please refer to the corresponding chapter 6.4.6.4 on page
95 for further details.
3. Calibrate the complete hand geometry (i.e. the position and orientation of the finger
tips in respect to the hand target).
4. (optionally) Install an ART radio transceiver when using FINGERTRACKING2 Tactile
devices (refer to chapter 6.3.1 on page 80 for details).
5. (optionally) Assign tactile devices for all applicable hand targets.
Simply repeat all steps for the corresponding other hand.
6.4.6.1 Fingertracking Settings
First, open the dialogue Settings → Fingertracking and configure the number of hands
you are using. Enter the number of hands ’0...4’ directly or use the numeric updown but-
ton.
i
Hand target calibrations without corresponding hand geometries are
marked with a yellow tick on the corresponding Hand ID row under
selected hands. A fully calibrated Hand ID is marked with a green tick.
For each Hand ID a row from ’H1...H4’ will show up correspondingly on the left side of
the window. The ’Name’ and ’Geometry’ entries will be empty, while the column Cal. will
show a grey No Entry sign.
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