Adobe After Effects CS3 Uživatelský manuál stáhnout pdf (Strana 412)

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101

AFTER EFFECTS CS3

User Guide

407

Original (top left), and with variations of Liquify applied (bottom left and right)

Mask properties

Freeze Area Mask Determinestheareaoftheimageinwhichthedistortionisaffectedbymaskopacityandfeather

settings. Areas outside the mask are distorted; areas within the mask are distorted according to Mask Opacity and

Mask Feather settings.

Mask Opacity Determines how the area within the mask is affected by the distortion. If Mask Opacity is set to 100%,

the area within the mask isn’t affected by the distortion; if it’s set to 50%, the area within the mask is somewhat

affected. If you set Mask Opacity to 100%, make sure to feather the mask to prevent jagged edges on the mask.

Mask Feather The width of the feather used to blend pixels between the masked area and the nonmasked area.

Tools

Warp Pushes pixels forward as you drag.

Turbulence Smoothly scrambles pixels. This setting is useful for creating fire, clouds, waves, and similar effects.

Twirl Clockwise Rotates pixels clockwise as you hold down the mouse button or drag.

Twirl Counterclockwise Rotates pixels counterclockwise as you hold down the mouse button or drag.

Pucker Moves pixels toward the center of the brush area as you hold down the mouse button or drag.

Bloat Moves pixels away from the center of the brush area as you hold down the mouse button or drag.

Shift Pixels Moves pixels perpendicular to the stroke direction.

Reflection Copies pixels to the brush area.

Clone Copies the distortions from around a source location to the current mouse location. Set the source

location by Alt-clicking (Windows) or Option-clicking (Mac OS) the source point.

Reconstruction Reverses distortions or applies them in different ways.

Distort an image with the Liquify effect

Select the layer, and choose Effect > Distort > Liquify.

2 In the Layer panel, create a mask to freeze areas of the image, and then set mask properties.

3 In the Effect Controls panel do the following:

• Choose the mask you created from the Freeze Area Mask pop-up menu.

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Adobe After Effects CS3 Uživatelský manuál Strana 412

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