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Checkerboard effect – Adobe Premiere Pro CS3 User Manual

Page 334

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ADOBE PREMIERE PRO CS3

User Guide

328

Evolution Options

Provide controls that render the effect for one short cycle and then loop it for the duration of

your clip. Use these controls to prerender the cell pattern elements into loops, and thus speed up rendering time.

Cycle Evolution

Creates a loop that forces the evolution state to return to its starting point.

Cycle

The number of revolutions of the Evolution setting that the cell pattern cycles through before it repeats.

The timing of the Evolution cycles is determined by the amount of time between Evolution keyframes.

Note: The Cycle control affects only the state of the cell pattern, not geometrics or other controls, so you can get different
results with different Size or Offset settings.

Random Seed

Specifies a value from which to generate the cell pattern. Animating this property results in

flashing from one cell pattern to another within the same cell pattern type. For smooth transition of the cell pattern,
use the Evolution control.

Note: Create new cell pattern animations by reusing previously created Evolution cycles and changing only the
Random Seed value. Using a new Random Seed value alters the cell pattern without disturbing the evolution
animation.

Checkerboard effect

(High bit-depth) The Checkerboard effect creates a checkerboard pattern of rectangles, half of which are trans-
parent.

Matching color produces subtle result (center); using red with high Width and low Height settings (right) creates striped result.

Anchor

The point of origin of the checkerboard pattern. Moving this point offsets the pattern.

Size From

How the dimensions of the rectangles are determined:

Corner Point

Each rectangle’s dimensions are those of the rectangle with opposite corners defined by the Anchor

and Corner points.

Width Slider

A rectangle’s height and width are equal to the Width value, meaning the rectangles are squares.

Width & Height Sliders

A rectangle’s height is equal to the Height value. A rectangle’s width is equal to the Width

value.

Feather

Thickness of the edge feather within the checkerboard pattern.

Color

The color of the non-transparent rectangles.

Opacity

The opacity of the colored rectangles.

Blending Mode

The blending mode to use to composite the checkerboard pattern on top of the original clip. The

default None mode renders the checkerboard pattern only.

April 1, 2008