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A layer's mask and any previously applied effects are ignored when the Posterize Time
effect is applied. To posterize the time of a masked layer, create the mask in another
composition or precompose the layer with other effects before applying the Posterize
Time effect.
Animating the value of the Frame Rate slider can give unpredictable results. For this
reason, the only interpolation of the frame rate allowed is Hold.
Time Displacement (PB only)
This effect distorts the image by shifting pixels across time, producing a wide variety of
effects. For example, use it to simulate the traditional slit-scan technique, which captures
different stages of a moving image across time. It uses a displacement map and bases the
time displacement of pixels in the layer on luminance values in the map. Pixels in the layer
that correspond to bright areas in the displacement map are replaced by pixels in the
same position but at a specified number of seconds forward in time. Likewise, pixels in
dark areas are replaced by pixels at a specified number of seconds backward in time. The
Time Displacement effect automatically replaces pixels across time without keyframes.
However, you can also set keyframes for other controls to vary the effect over time.
For more information, see the After Effects product section on Adobe's Web site.
Transition effects
Use these effects as transitions between one layer and another, or between several layers.
Place the transition layer in front of other layers you want to transition into. Apply the
effect to the transition layer. Set keyframe values for the Transition Completion slider to
animate the change from the transition layer to the layers beneath.
Block Dissolve
This effect makes a layer disappear in random blocks. The width and height of the blocks,
in pixels, can be set independently. At Draft quality, the blocks are placed with pixel
accuracy and have sharply defined edges; at Best quality, the blocks can be positioned
with subpixel accuracy and have soft edges.
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A. Draft quality B. Best quality C. Best quality with different block dimensions
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