ADOBE AFTER EFFECTS 7.0
User Guide
449
Average Pixel Colors Specifieswhichcolorvaluestheeffectsampleswithintheareadefinedbythesamplepointand
sample radius. Skip Empty samples the average RGB color values, excluding those of transparent pixels. The All
option samples the average of all RGB color values, including those of transparent pixels. All Premultiplied samples
the average of all RGB color values, premultiplied with the alpha channel. Including Alpha samples the average of all
RGB color and alpha channel values. This results in the sampled color also containing the average transparency of
the sampled pixels.
Maintain Original Alpha When selected, the effect maintains the original layer’s alpha channel. If you choose
Including Alpha in the Average Pixel Color menu, the original alpha is stenciled over the sampled color.
Blend with Original Specifies the amount of blending between the new solid color and the original layer.
Fill effect
The Fill effect is used to fill a mask with a specified color. The Fill Mask menu displays the available masks. If you
wanttoaddbothastrokeandafilltoaclosedpath,theorderinwhichyouapplythestrokeandfilldeterminesthe
visible width of the stroke. If the fill is applied before the stroke, the full stroke brush size is visible. If the stroke is
appliedbeforethefill,thefillappearsontopofthestroke,obscuringthehalfofthestrokethatfallsinsidethepath.
This effect works with 8-bpc color.
An inverted mask (left) is filled with black (center); a mask of a spaceship is filled with black and feathered (right).
The Fill effect includes an All Masks option that fills all the layer’s closed mask paths with the chosen color.
Activating this option also fills the mask path of a mask that has None chosen as its mode. To fill each layer mask,
make sure that All Masks is selected in the Effect Controls panel.
See also
“Scribble effect” on page 458
Fractal effect
The Fractal effect renders the Mandelbrot or Julia set, creating colorful textures. When you first apply the effect, the
picture you see is the classic sample of the Mandelbrot set; the set is the area that is colored black. Any pixel outside
the set is colorized, depending on how close it is to the set. Pixels near the border appear chaotic (noisy), but as you
zoom in, a quite startling and beautiful structure is revealed.
This effect works with 8-bpc and 16-bpc color.
A Mandelbrot fractal with a Lightness Gradient palette (center), and a Julia fractal (right)
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