The Velocity Analysis calculates the velocity of the selected points and graphs them over time.
The following formula is used to calculate the velocity:
Position Frame n - Position Frame n-DerivativeLength / Time Frame n - Frame n - DerivativeLength
Velocity 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 velocity.
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Derivative Length
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This is the number of frames that the derivative will skip over in order to create a smoothing effect. The default is 2 meaning it will use every other frame.
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