Adobe AFTER EFFECTS 5.5 Help Manual page 346

Adobe After Effects Help
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Checking the Stylus Radius and Stylus Opacity flags for strokes drawn with a pressure-
sensitive pen allows pressure information to be recorded. This information then
contributes to the variation of the stroke while wiggling is enabled.
Pressure Variation This value determines how much the Radius and Opacity values of
the stroke vary while wiggling. For strokes that have Stylus: Radius enabled, the Radius
wiggles. For strokes that have Stylus: Opacity enabled, the Opacity wiggles. The amount of
variation in either the Radius or Opacity value while wiggling depends on the value
specified for Pressure Variation.
The Radius and Opacity settings in the Brush Settings act as maximum amounts, not to be
exceeded while wiggling.
No Pressure Variation (left), Low Pressure Variation (center), and High Pressure Variation (right)
In the Effect Controls window, set the Pressure Variation value by clicking the underlined
Pressure Variation value and typing a number between -30,000 and 30,000, or by dragging
the Pressure Variation slider.
Pressure Detail This value determines how tight the pressure variation appears along
the stroke. Higher values create more dense variations.
Low Pressure Detail (left), Medium Pressure Detail (center), and High Pressure Detail (right)
In the Effect Controls window, set the Pressure Detail value by clicking the underlined
Pressure Detail value and typing a number between 0 and 1000, or by dragging the
Pressure Detail slider.
Individual Stroke Seeds When selected, this option creates a different random wiggle
seed for each stroke on a layer.
Because the Wiggle Controls apply to all strokes on a layer, the wiggle parameters are
always the same. To randomize the wiggling of the individual strokes, select the Individual
Stroke Seeds option.
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