VRED - Virtual Reality Editor - PI-VR GmbH
VRED - Virtual Reality Editor - PI-VR GmbH
VRED - Virtual Reality Editor - PI-VR GmbH
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3.19. TRACKING 3. USER INTERFACE<br />
need to change anything in contrast to the Powerwall<br />
Mode as described above.<br />
• Relative Object Mode. For tracking objects other<br />
than the spectator there is the Relative Object<br />
Mode. This mode tracks a physical body and moves<br />
a node in the virtual scene relativ to the camera position.<br />
That means if you navigate through the virtual<br />
scene, the tracked virtual object remains at the<br />
same location relative to the camera (and seems<br />
to move through the scene as you navigate). This<br />
mode is useful for items that the spectator can carry<br />
around (a flashlight or simply his hands).<br />
• Absolute Object Mode. As opposed to the relative<br />
object mode the Absolute Object Mode tracks<br />
a physical body and moves a node in the virtual<br />
scene in absolute mode. That means that when you<br />
navigate away from the virtual representation of the<br />
tracked physical body, this representation departs<br />
from the viewer in the virtual world. This mode is<br />
useful if the virtual scene has a static physical representation<br />
in reality and you need to track objects<br />
relative to this representation. For example you put<br />
a tracked item onto a table that coexists in the virtual<br />
scene and in the real world.<br />
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