2017

Table Of Contents
Image courtesy of Behavior Communications Inc.
The 3D camera connected to the analyzer node synchronizes to the results of your 3D tracking, and
any further changes you make to the 3D track are reflected in this camera.
6 If you are satisfied with the results of the tracking analysis, proceed to
Converting the Camera Analyzer
Results
(page 662). If you want to tweak your track results, see Fine Tuning the Analysis (page 659).
NOTE As a general rule, a Refine field value between 1 and 1.5 is considered a good quality track.
Set the focal length by adjusting the perspective grid
The tracking analysis algorithm can make a best estimate of the focal length for the camera without any
user input (see
Analysis Settings (page 657)). In order to refine the algorithm's analysis you can use a
perspective-based grid to define the focal length. The focal length determined through the perspective grid
is then used as part of the analysis. If you do not use this perspective grid or manually enter a value for the
focal length, the algorithm guesses at an estimate of the focal length.
To set the focal length:
1 With the Analyzer object selected in the schematic, select the Analyzer 3D view from the View box.
2 From the Analysis tab in the Analyzer, select Perspective Based from the Focal Length box.
Action Analyzer | 653