Adobe GOLIVE CS2 User Manual page 544

Normalize Track/ Set Track Dimension
Dimension commands. If you changed the dimensions of the selected track, you can use Normalize Track to reset
the track to its original size and position. Or, you can use Set Track Dimension to change the track's original size and
position to the current dimensions and position.
Resizes the video track proportionally. For example, when you edit the value in the width
Constrain Proportion
box, the height is adjusted to maintain the original aspect ratio of the track, and vice versa.
Specifies how a video track overlays other tracks in the movie:
Mode
•
Dither Copy (default mode)
refined look. There is no interaction between a track in Dither Copy mode and tracks below it.
Same as Dither Copy, with one exception: Copy lacks the dithering capability, which makes it less suitable
• Copy
for display on systems in 256-color mode. However, the Copy option may provide better performance in low
memory situations.
Makes the track transparent so you can see partially through it to the track below. You can set the degree
• Blend
and color of the transparency by clicking the color field next to the Mode menu to display the Color palette. Drag a
color from the preview pane of the Color palette to the Mode color field. The lighter the color, the more opaque the
track is; the darker the color, the more transparent it is.
Lets you define a transparent color for any visual track. Click the color field and drag a color from
•
Transparent
the preview pane of the Color palette to the color field.
Note: The Mode menu is not available for movie tracks, and the Type menu on the Basic tab is only available for movie
tracks.
The next four modes determine how alpha channel content appears. An alpha channel defines how an image is
combined with a background image already present at the location where the image appears. By defining an alpha
channel, you specify which part of a visible image is left out, or masked, to make a background image appear in that
area.
Combines the color components of each pixel with the background pixel at the same location
• Straight alpha
based on the value contained in the alpha channel.
Supports images created on a white background with a premultiplied alpha channel.
• Premul white alpha
Supports images created on a black background with a premultiplied alpha channel.
• Premul black alpha
Is a combination of straight alpha and blend, so the masked areas are transparent and the
• Straight alpha blend
nontransparent areas are translucent. As with the Blend mode, you can use the Color palette to edit the degree of
translucency.
•
Composition (Dither Copy)
from animated GIF files.
Note: The Basic tab in the Color Track Inspector also contains a color field below the Mode menu where you can select
a fill color for the color track.
See also
"About movie tracks" on page 538
"About color tracks" on page 541
Displays a menu that lists the Normalize Track and Set Track
Overlays the image on a track directly below it and applies dithering for a more
Is similar to Copy and Dither Copy, but more appropriate for video tracks created
ADOBE GOLIVE CS2 535
User Guide