Sub Influence
How much influence each successive layer has on the combined noise. At 100%, all iterations have the same amount of
influence. At 50%, each iteration has half as much influence as the previous iteration. A value of 0% makes the effect appear exactly as if
Complexity is 1.
Sub Scaling
The scale percentage of a noise layer relative to the previous noise layer.
Evolution
Uses progressive revolutions that continue to change the image with each added revolution. This method is unlike typical revolutions
that refer to a setting on the dial control for which the result is the same for every multiple of 360°. For Evolution, the appearance at 0° is different
from the appearance at 1 revolution, which is different from the appearance at 2 revolutions, and so on.
You can specify how much the noise evolves over a period of time by animating Evolution. The more revolutions within a given amount of time, the
more rapidly the noise changes. Large changes in the Evolution value over a short period of time may result in flashing.
Evolution Options
Turbulence Factor
The amount by which the speed of smaller noise features differs from the speed of larger noise features. A value of 0
makes the movement of the noise resemble the noise generated by the Fractal Noise effect, in which smaller noise features move at the
same speed as larger noise features. A larger value makes the multiple layers of noise appear to roil in a manner more like that of natural
turbulence in a fluid.
Random Seed
Sets a random value from which to generate the noise. Animating the Random Seed property results in flashing from one
set of noise to another (within that fractal type), which is usually not the result that you want. For smooth animation of noise, animate the
Evolution property.
You can easily create new noise 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.
Opacity
The opacity of the noise.
Blending Mode
The blending operation between the noise and the original image. These blending modes are identical to the ones in the Modes
column in the Timeline panel, with the following exceptions:
None
Renders the fractal noise only and does not composite on the original layer.
Hue
Renders the fractal noise as hue values instead of grayscale. The Saturation and Lightness of the original layer are maintained. If the
original layer is grayscale, nothing happens.
Saturation
Renders the fractal noise as saturation values instead of grayscale. The Hue and Lightness of the original layer are
maintained. If the original layer is grayscale, nothing happens.
For a description of each blending mode, see Blending mode reference.
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Summary of Contents for 12040118 - After Effects Standard
Page 1: ...ADOBE AFTER EFFECTS Help and tutorials...
Page 2: ...What s New...
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Page 27: ...Workspace and workflow...
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