Adobe After Effects CS3 Uživatelský manuál stáhnout pdf (Strana 297)

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AFTER EFFECTS CS3

User Guide

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Inadditiontotheexpressionelementsyouuseelsewhere,youcanusethefollowingattributestoanimateselections

in any number of interesting ways:

textIndex Returns the index of the character, word, or line.

textTotal Returns the total number of characters, words, or lines.

selectorValue Returns the value of the previous selector. Think of this as the input from the selector above the

expression selector in the stacking order.

Note: The attributes

textIndex, textTotal,andselectorValue canbeusedonlywiththeexpressionselector.Using

them elsewhere results in a syntax error.

Fill color changes randomly using an expression animator.

Set a text layer’s anchor point properties

Text animators animate character position, rotation, and size-related properties relative to an anchor point. You can

use the text property, Anchor Point Grouping, to specify whether the anchor point used for transformations is that

of each character, each word, each line, or the entire text block. In addition, you can control the alignment of the

characters’ anchor points relative to the anchor point of the group with the Grouping Alignment property.

Original text, then rotated and with Grouping Alignment set to Character, Word, and Line

1 Expand the text layer in the Timeline panel, and expand the More Options property group.

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Adobe After Effects CS3 Uživatelský manuál Strana 297

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