Apple Motion 5.1.1 User Manual
Page 732
Chapter 18
Generators
732
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Classic (Exponential): Creates a classic spiral pattern with color swirls becoming thinner as
they move toward the center of the spiral. When Classic is selected, the Tightness parameter
becomes available.
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Center: Value sliders that set the center point of the generator in the Canvas. The left value
slider represents X; the right value slider represents Y. To access individual X and Y controls,
click the disclosure triangle. (You can also use the Adjust Item tool to modify this parameter
with onscreen controls. For more information, see
on page 710.)
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Color Type: A pop-up menu that specifies whether the spirals are two-color or a gradient fill.
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2 Color: Creates two-color spirals. When 2 Color is selected from the Color Type pop-up
menu, the Color 1, Color 2, and Contrast parameters become available.
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Gradient: Lets you add colors to the spiral, creating soft transitions between colors. Spiral
colors are determined by the Gradient editor. You can create a custom gradient or apply a
preset gradient to the spirals. For more information on using gradient editors, see
on page 138.
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Color 1: Color controls, available when 2 Color is selected from the Color Type pop-up menu,
that set the first color of the spiral.
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Color 2: Color controls, available when 2 Color is selected from the Color Type pop-up menu,
that set the second color of the spiral.
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Gradient: Gradient controls, available when Gradient is selected from the Color Type pop-up
menu, that allow you to pick a gradient from the Library.
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Scale: A slider, available when Modern is selected from the Type pop-up menu, that determines
the size of the spiral arms.
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Tightness: A slider, available when Classic is selected from the Type pop-up menu, that
determines the curl of the spiral. The lower the Tightness value, the looser the spiral.
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Contrast: A slider that controls the transition between the two colors. A value of 1 creates
the highest contrast between colors; lower values create less contrast, softening the spiral.
The Contrast parameter is not available when Gradient is chosen from the Color Type
pop-up menu.
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