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2 Zoom in on the layer in the Composition window. The more you zoom in, the more
accurate you can be. Effect points for effects are interpolated throughout the area of the
image.
Note: A layer must be set to Best quality to take advantage of subpixel accuracy. However,
for faster editing you can keep layers at Draft quality until you render a finished movie.
Applying an effect to several layers with an adjustment
layer
You apply and edit effects to an adjustment layer just as you do to any other layer.
However, when you apply an effect to an adjustment layer, the effect is applied to all layers
below it in the Timeline window. For more information, see "Creating an adjustment layer"
on page 73.
Changing rendering order
When you apply more than one effect to a layer, the final result may depend on the order
in which those effects are applied. To change the order in which effects are applied, drag
the effect name to a new position in the Effect Controls window or the Timeline window.
The order in which After Effects renders masks, effects, and transform properties, called
the rendering order, may affect the final result of an applied effect. To achieve certain
effects, change the default rendering order so that a transform property is rendered
before an effect in a layer, instead of after the effect. For information on changing the
rendering order, see "Understanding default rendering order" on page 266.
Using audio effects
Any audio effect can be customized to radically change the sound of the original audio.
For more impact, you can duplicate a layer that contains audio effects, add additional
audio effects to the duplicate layer, and then turn off the original layer's effects to hear
only the processed audio.
Many audio effects include Dry Out and Wet Out options. Use these to specify the mix of
unprocessed (Dry) and processed (Wet) audio in the final output.
For information on audio effects, see "Audio effects" on page 184.
Using cameras and lights with effects
Some of the After Effects effects, called Comp Camera effects, can use a composition's
camera and lights. Some always use the composition camera, while others include light
and camera options in the Effect Controls window. Comp Camera effects are characterized
with a 3D cube beside their names in the Effect Controls window. When you apply a Comp
Camera effect to a layer (2D only), it can track the composition's camera and light positions
and render a 3D image on the 2D layer to which it is applied. For more information on
cameras and lights, see "Using cameras" on page 235 and "Using lights" on page 239.
The effect's results appear 3D; however, the layer with the Comp Camera effect applied
remains a 2D layer and consequently has the following characteristics:
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Applying Effects
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