Adobe After Effects CS3 Manual de usuario descargar pdf (Pagina 436)

AFTER EFFECTS CS3

User Guide

431

Branch Seg. Length The length of each branch segment as a fraction of the average length of the segments in the

lightning bolt.

Branch Segments The maximum number of segments for each branch. To produce long branches, specify higher

values for both Branch Seg. Length and Branch Segments.

Branch Width The average width of each branch as a fraction of the width of the lightning bolt.

Speed How fast the lightning bolt undulates.

Stability How closely the lightning follows the line defined by the start and end points. Lower values keep the

lightning bolt close to the line; higher values create significant bouncing. Use Stability with Pull Force to simulate a

Jacob’sLaddereffectandcausethelightningbolttosnapbacktoapositionalongthestartlineafterithasbeenpulled

in the Pull Force direction. A Stability value that is too low doesn’t allow the lightning to be stretched into an arc

before it snaps back; a value that is too high lets the lightning bolt bounce around.

Fixed Endpoint Determines whether the end point of the lightning bolt remains fixed in place. If this control isn’t

selected, the end of the bolt undulates around the end point.

Width, Width Variation The width of the main lightning bolt and how much the width of different segments can

vary. Width changes are randomized. A value of 0 produces no width changes; a value of 1 produces the maximum

width changes.

Core Width The width of the inner glow, as specified by the Inside Color value. Core Width is relative to the total

width of the lightning bolt.

Outside Color, Inside Color The colors used for the lightning bolt’s outer and inner glows. Because the Lightning

effect adds these colors on top of existing colors in the composition, primary colors often produce the best results.

Bright colors often become much lighter, sometimes becoming white, depending on the brightness of colors beneath.

Pull Force, Pull Direction The strength and direction of a force that pulls the lightning bolt. Use the Pull Force value

with the Stability value to create a Jacob’s Ladder appearance.

Random Seed AninputvaluefortherandomnoisegeneratorthatisthebasisoftheLightningeffect.Iftherandom

movement of the lightning interferes with another image or layer, enter a new value for Random Seed until you find

one that works for you.

Blending Mode The blending mode to use to composite the lightning on top of the original layer. These blending

modes work identically to the ones in the Timeline panel.

Rerun At Each Frame Regenerates the lightning at each frame. To make the lightning behave the same way at the

same frame every time you run it, don’t select this option. Selecting this option increases rendering time.

Paint Bucket effect

The Paint Bucket effect (formerly Basic Fill effect) is a nondestructive paint effect that fills an area with a solid color.

It works much like the Paint Bucket tool in Adobe Photoshop. Use the Paint Bucket effect for colorizing cartoon-type

outlined drawings or replacing areas of color in an image.

This effect works with 8-bpc color.

Fill Point The effect fills an area that contains the Fill Point. The area is determined by analyzing pixels that neighbor

the Fill Point and expanding the fill area by adding matching pixels. How far the fill color spreads depends upon the

Tolerance setting, as well as the option you choose from the Fill Selector menu.

Fill Selector Which values to operate on:

• Color & Alpha Specifies that the effect fills the fill point’s RGB and alpha channels with the new color.

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Adobe After Effects CS3 Manual de usuario Pagina 436

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