Instead of creating multiple target and links, this placement mode enables you to place a 3D object at the same position of a tracker.
      
                    
                      You need to create a 
                      Tracking System
                      To visualize tracked points using a tracking device 
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                       to use this placement mode
                          Simply pick a 
                    Tracker
                    a Tracker represent a real tracker and is part of a Tracking System
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                     in the drop-down list 
                    
                          Using the Frame Time Offset you can delay (positive number) or predict (negative number) the placement of the tracker.
      
                          You can also use the smoothing to smooth the placement of your object.
      
                          When you Predict you can play with the Speed Smoothing to adjust how the prediction values are processed
      
                          When making Set Extension and AR you may need to adjust the 
                    Camera Tracking Data Latency
                    Sync the Camera Video Input with the Tracking Data
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                      You should never use negative number and / or Placement smoothing for tracked camera