Apple Motion 5.1.1 - Manual (Page 826)

Chapter 19 Filters 826
Scrub
Moves a virtual playhead around a clip, allowing you to change the timing of the clip without
moving it in the Timeline. Additionally, this filter lets you animate the offset parameter, often with
interesting results. Try adding the Scrub filter to a clip, then apply the Randomize behavior to the
Frame offset, with the “Offset from” parameter set to Current Frame. Also, you can create a hold
frame by setting Offset to First Frame, then using “Frame offset” to find the frame you want.
Important: Scrub does not affect clip audio.
This filter causes rasterization in 3D groups. For more information on rasterization, see Groups
and rasterization on page 1045.
Parameters in the Inspector
•
Frame offset: Sets the offset of the virtual playhead.
•
Offset from: Sets the position where the virtual playhead is offset. Values include First Frame or
Current Frame.
•
Frame Blending: Turns the blending between frames on and off.
•
Mix: Sets the percentage of the original image to be blended with the filtered image.
Strobe
Strobes the image by holding frames for a set duration. As a result, moving images appear to
skip frames as they play.
This filter causes rasterization in 3D groups. For more information on rasterization, see Groups
and rasterization on page 1045.
Parameters in the Inspector
•
Strobe Rate: Controls the number of frames played back per second.
•
Mix: Sets the percentage of the original image to be blended with the filtered image.
Trails
Draws light or dark trails following an object’s movement. This filter is only effective with
moving images.
This filter causes rasterization in 3D groups. For more information on rasterization, see Groups
and rasterization on page 1045.
Parameters in the Inspector
•
Duration: Sets the duration of trails.
•
Echoes: Sets the number of echoes trailing behind.
•
Decay: Sets whether trails decay over time or disappear at the end of the duration.
•
Trail On: Sets the value type that triggers trails. This pop-up menu can be set to Light or Dark.
•
Mix: Sets the percentage of the original image to be blended with the filtered image.
WideTime
Holds frames before and after the current frame to stretch the image’s motion out in time.
This filter causes rasterization in 3D groups. For more information on rasterization, see Groups
and rasterization on page 1045.
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