Adobe Premiere Pro CS3 - Manual (Page 330)

ADOBE PREMIERE PRO CS3
User Guide
324
Note: In Adobe After Effects, the Transform effect includes the Shutter Angle control and Use Composition’s Shutter
Angle option. Both controls are adjusted only in After Effects.
Turbulent Displace effect
The Turbulent Displace effect uses fractal noise to create turbulent distortions in an image. For example, use it to
create flowing water, funhouse mirrors, and waving flags.
Original image (left), and with variations of effect applied (center and right)
Displacement The type of turbulence used. Turbulent Smoother, Bulge Smoother, and Twist Smoother each
perform the same operations as Turbulent, Bulge, and Twist, except that the Smoother options create smoother
warps and take longer to render. Vertical Displacement warps the image vertically only. Horizontal Displacement
warps the image horizontally only. Cross Displacement warps the image both vertically and horizontally.
Amount Higher values cause more distortion.
Size Higher values cause larger areas of distortion.
Offset (Turbulence) Determines the portion of the fractal shape used to create the distortion.
Complexity Determines the level of detail in the turbulence. Lower values cause smoother distortions.
Evolution Animating this setting results in changes of the turbulence over time.
Note: Although the Evolution value is set in units called revolutions, it’s important to realize that these revolutions are
progressive. The evolution state continues to progress infinitely at each new value. Use the Cycle Evolution option to
return the Evolution setting to its original state at each revolution.
Evolution Options Evolution Options provide controls that render the effect for one short cycle and then loop it for
the duration of your clip. Use these controls to prerender turbulence elements into loops, and thus speed up
rendering time.
• Cycle Evolution Creates a loop that forces the evolution state to return to its starting point.
• Cycle The number of revolutions of the Evolution setting that the fractal cycles through before it repeats. The
timing of the Evolution cycles is determined by the amount of time between Evolution keyframes.
Note: The Cycle control affects only the state of the fractal, not geometrics or other controls, so you can get different
results with different Size or Offset settings.
• Random Seed Specifies a value from which to generate the fractal noise. Animating this property results in
flashing from one set of fractal shapes to another within the same fractal type. For smooth transition of the
roughness, use the Evolution control.
Note: Create new turbulence animations by reusing previously created Evolution cycles and changing only the
Random Seed value. Using a new Random Seed value alters the noise pattern without disturbing the evolution
animation.
Pinning Specifies which edges to pin so that the pixels along those edges aren’t displaced.
April 1, 2008