Adobe After Effects CS3 Manual do Utilizador descarregar pdf (Página 172)

AFTER EFFECTS CS3

User Guide

167

Lighten Each result color channel value is the higher (lighter) of the source color channel value and the corre-

sponding underlying color channel value.

Screen Multiplies the complements of the channel values, and then takes the complement of the result. The result

color is never darker than either input color. Using the Screen mode is similar to superimposing two different film

negatives and printing the result.

Color Dodge The result color is a lightening of the source color to reflect the underlying layer color by decreasing

the contrast. If the source color is pure black, the result color is the underlying color.

Classic Color Dodge The Color Dodge mode from After Effects 5.0 and earlier, renamed Classic Color Dodge. Use

it to preserve compatibility with older projects; otherwise, use Color Dodge.

Linear Dodge The result color is a lightening of the source color to reflect the underlying color by increasing the

brightness. If the source color is pure black, the result color is the underlying color.

Lighter Color Each result pixel is the color of lighter of the source color value and the corresponding underlying

color value. This is similar to Lighten, but Lighter Color does not operate on individual color channels.

Overlay Multiplies or screens the input color channel values, depending on the underlying color. The result

preserves highlights and shadows in the underlying layer.

Soft Light Darkens or lightens the color channel values of the underlying layer, depending on the source color. The

result is similar to shining a diffused spotlight on the underlying layer. For each color channel value, if the source

color is lighter than 50% gray, the result color is lighter than the underlying color, as if dodged. If the source color is

darker than 50% gray, the result color is darker than the underlying color, as if burned. A layer with pure black or

white becomes markedly darker or lighter, but does not become pure black or white.

Hard Light Multiplies or screens the input color channel value, depending on the original source color. The result is

similar to shining a harsh spotlight on the layer. For each color channel value, if the underlying color is lighter than

50% gray, the layer lightens as if it were screened. If the underlying color is darker than 50% gray, the layer darkens

as if it were multiplied. This mode is useful for creating the appearance of shadows on a layer.

Linear Light Burns or dodges the colors by decreasing or increasing the brightness, depending on the underlying

color. If the underlying color is lighter than 50% gray, the layer is lightened because the brightness is increased. If the

underlying color is darker than 50% gray, the layer is darkened because the brightness is decreased.

Vivid Light Burns or dodges the colors by increasing or decreasing the contrast, depending on the underlying color.

If the underlying color is lighter than 50% gray, the layer is lightened because the contrast is decreased. If the under-

lying color is darker than 50% gray, the layer is darkened because the contrast is increased.

Pin Light Replaces the colors, depending on the underlying color. If the underlying color is lighter than 50% gray,

pixels darker than the underlying color are replaced, and pixels lighter than the underlying color do not change. If

the underlying color is darker than 50% gray, pixels lighter than the underlying color are replaced, and pixels darker

than the underlying color do not change.

Hard Mix Enhances the contrast of the underlying layer that is visible beneath a mask on the source layer. The mask

size determines the contrasted area; the inverted source layer determines the center of the contrasted area.

Difference For each color channel, subtracts the darker of the input values from the lighter. Painting with white

inverts the backdrop color; painting with black produces no change.

Classic Difference The Difference mode from After Effects 5.0 and earlier, renamed Classic Difference. Use it to

preserve compatibility with older projects; otherwise, use Difference.

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