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— Rec. 709: Uses a Rec. 709 color space with Gamma 2.2 to control the overlapping brightness.
— Linear: Uses Linear Gamma, often producing much stronger highlights.
— Custom: Provides a custom gamma slider which defaults to Gamma of 2.4. Setting this to a value of 1.0 is the same as setting the menu to Linear.
— Input Alpha: The choices in the Input Alpha menu determine how the Alpha channel is used for blending the frames. All options assume there is an Alpha channel present on the clip that has the Motion Trail applied.
— Ignore: This is the default option and will cause the alpha channel to be ignored. Disabling the Use Alpha checkbox when Ignore is selected will cause the Alpha to act as a stencil effect for the trails.
— Use in Compositing: This option uses the Alpha channel for the trails and compositing over the lower video track, assuming the Use Alpha checkbox is enabled.
Move Trail
This group of controls determines the offset, direction, size, and rotation of the copies. Adjustment amounts are applied as offsets from one copy to the next. For instance, if rotation is set to 5 degrees, the first trail copy is rotated 5 degrees, the second trail copy is rotated 10 degrees, the third copy is rotated 15 degrees, and so on.
— Pan: Adjusts the offset of the trail copies from the original image.
— Pan Angle: Changes the angle at which the trails are offset from the original image. The values are shown in degrees.
— Zoom: Adjust a scale adjustment, successively, to each copy.
— Rotate: Applies an angle of rotation, successively, to each copy.
— Reuse Current Frame: When this checkbox is disabled (the default), each copy uses the frame after the copy before it. For instance, the first copy is the current frame -1, and the second copy is the current frame -2. When this checkbox is enabled, all copies use the same frame as the current frame in the clip.
— Border Type: This menu determines how edges of the frame are handled when the copies are scaled smaller than the timeline resolution.
— Black: The area outside the image is set to black.
— Soften: This control blends the edges of the rectangular frame borders to give the images a more organic appearance.
— Replicate: Duplicates the outermost pixels along the edge of the image. The pixels are stretched out from each side to reach the timeline resolution boundary.
— Reflect: The image is flipped and flopped to create a mirrored image that extends to the timeline resolution frame boundary.
— Wrap-Around: Duplicates the image to create a video wall effect, used to fill in the space to the timeline resolution frame boundary.