The Position vs Time Analysis allows you to graph the X, Y or Z movement of the points over time.

Position Time Analysis Options
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Calculate Relative
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This will subtract the motion of the selected point, i.e. translate the motion to selected point.
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Normalize Graph
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This will calculate the average of the specified number of frames starting with frame 1 and then subtract this from every frame. This will result in the change of motion instead of absolute motion.
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Calculate the Magnitude |A|
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This will calculate the sqrt( x2 + y2 + z2 ) or sqrt( x2 + y2 ) in case of 2D of the position.
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