Adobe After Effects CS3 Uživatelský manuál stáhnout pdf (Strana 429)

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AFTER EFFECTS CS3

User Guide

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This effect works with 8-bpc, 16-bpc, and 32-bpc color.

Original (left), and with a simulated beam (right)

The Length control specifies the length of the beam based on a percentage of the Time specified. For example, a

setting of 100% means that the visible beam length is at its maximum when the Time control is 50%. Time specifies

thetimeofthebeam’stravelfromstarttoendasapercentage.The3DPerspectivecontroluses3Dperspectivebased

on start and end thickness if Time is animated.

Cell Pattern effect

The Cell Pattern effect generates cellular patterns based on cellular noise. Use it to create static or moving

background textures and patterns. The patterns can be used in turn as textured mattes, as transition maps, or as a

source for displacement maps.

This effect works with 8-bpc color.

Original image (left); the Cell Pattern effect creates a displacement map (center), which is used as a displacement map for the Displacement

Map effect (right).

Cell Pattern The cell pattern to use. HQ denotes high-quality patterns that render with more definition than their

unmarked counterparts. Mixed Crystals is available only as a high-quality option.

Note: The Static Plates option is identical in appearance to the Plates option. However, when evolving, the static plates

retain a uniform lightness value, whereas the plates shift the lightness of the cell pattern.

Invert Inverts the cell pattern. Black areas become white, and white areas become black.

Contrast/Sharpness Specifies the contrast of the cell pattern when you use the Bubbles, Crystals, Pillow, Mixed

Crystals, or Tubular cell pattern. The control specifies sharpness for any of the Plate or Crystallize options.

Note: The contrast is affected by the option chosen from the Overflow menu.

Overflow How the effect remaps values that fall outside the grayscale range of 0-255. Overflow isn’t available if

sharpness-based cell patterns are chosen.

• Clip Values above 255 are mapped to 255. Values below 0 are mapped to 0. Contrast amount controls how much

of the image falls outside the range 0-255; higher contrast amounts result in a mostly black or white image, with less

gray. Therefore, less subtle cellular detail appears at higher contrast settings.

• Soft Clamp Remaps grayscale values to fall inside the 0–255 range. Contrast appears reduced; cells are mostly

gray with very few areas of pure black or white.

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Adobe After Effects CS3 Uživatelský manuál Strana 429

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