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Select Circle to shape text around the circumference of a circle, defined by two control
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points (Tangent 1/Circle Point, Vertex 1/Circle Center). If the text is longer than the
circumference of the circle, the text overlaps itself. If an arbitrary path is chosen and if
the path is closed, this property forms the text around the path, as opposed to looping
it.
Select Loop to shape text around the circumference of the circle, defined by two control
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points (Vertex 1/Circle Center, Tangent 1/Circle Point). If text is longer than the circum-
ference of the circle, it flows off the Tangent 1 point in a straight line. You can also use
margin controls to make text enter or exit a circle in a straight line.
Select Line to shape text in a straight line, defined by two control points (Vertex 1/Circle
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Center, Vertex 2). Note that, as with the Bezier path, the distance between the two
control points does not affect the spacing of the text, unless alignment is set to Force
(see Alignment below).
For more information, see the After Effects product section on Adobe's Web site.
Time effects
Use these effects to manipulate the timing of a layer. These effects use the source of a layer
as the basis of time, so all effects previously applied to a layer are ignored when Time
effects are applied.
Echo
This effect combines frames from many different times in a layer. It has a variety of uses,
from a simple visual echo to streaking and smearing effects. This effect must be applied
and is visible only in the Composition window, not the Layer window, and it is visible only
when there is motion in the layer. By default, a layer's mask and any previously applied
effects are ignored when you apply the Echo effect. If you do not want them ignored,
precompose the layer with other effects before applying the Echo effect. This creates a
new composition with the mask already applied. Whenever Echo needs to retrieve a
frame, it can do so from that composition.
The Echo effect is based on the positions of the previous or subsequent frames.
For more information, see the After Effects product section on Adobe's Web site.
Posterize Time
This effect locks a layer to a specific frame rate. It is useful on its own as a special effect, but
it also has more subtle uses. For example, 60-field video footage can be locked to 24 fps
(and then field rendered at 60 fps) to give a film-like look. Also, nested compositions can
be locked to a given frame rate. This effect is sometimes called Strobe in hardware devices.
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Applying Effects
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