Adobe 23101335 User Guide - Page 318

Setting the frame disposal method, Flattening frames into layers

Page 318 highlights

308 CHAPTER 11 Creating Animations (ImageReady) Setting the frame disposal method The frame disposal method specifies whether to discard the current frame before displaying the next frame. You select a disposal method when working with animations that include background transparency in order to specify whether the current frame will be visible through the transparent areas of the next frame. A B A. Frame with background transparency with Restore to Background option B. Frame with background transparency with Do Not Dispose option The Disposal Method icon indicates whether the frame is set to Do Not Dispose ( ) or Restore to Background ( ). (No icon appears when disposal method is set to Automatic.) To choose a disposal method: 1 Select a frame or frames for which you want to choose a disposal method. 2 Right-click (Windows) or Ctrl-click (Mac OS) the frame thumbnail to view the Disposal Method context menu. 3 Choose a disposal method: • Automatic to determine a disposal method for the current frame automatically, discarding the current frame if the next frame contains layer transparency. For most animations, the Automatic option yields the desired results and is, therefore, the default option. Note: Choose the Automatic disposal option when using the Redundant Pixel Removal optimization option, to enable ImageReady to preserve frames that include transparency. • Do Not Dispose to preserve the current frame as the next frame is added to the display. The current frame (and preceding frames) may show through transparent areas of the next frame. To accurately preview an animation using the Do Not Dispose option, preview the animation in a browser. • Restore to Background to discard the current frame from the display before the next frame is displayed. Only a single frame is displayed at any time (and the current frame will not appear through the transparent areas of the next frame). Flattening frames into layers You can flatten animation frames into layers. A single, composite layer is created for each frame, containing all of the layers in the frame. The original layers in the frame are hidden but preserved (the original layers will be available if they are needed for another frame). Note: If you save an animation as a GIF, the animation frames are flattened and the original layers are lost. You should save the original file in Photoshop file format to preserve layers for reediting.

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CHAPTER 11
308
Creating Animations (ImageReady)
Setting the frame disposal method
The frame disposal method specifies whether to
discard the current frame before displaying the
next frame. You select a disposal method when
working with animations that include background
transparency in order to specify whether the
current frame will be visible through the trans-
parent areas of the next frame.
A.
Frame with background transparency with Restore to
Background option
B.
Frame with background transparency
with Do Not Dispose option
The Disposal Method icon indicates whether the
frame is set to Do Not Dispose (
) or Restore to
Background (
). (No icon appears when disposal
method is set to Automatic.)
To choose a disposal method:
1
Select a frame or frames for which you want to
choose a disposal method.
2
Right-click (Windows) or Ctrl-click (Mac OS)
the frame thumbnail to view the Disposal Method
context menu.
3
Choose a disposal method:
Automatic to determine a disposal method for
the current frame automatically, discarding the
current frame if the next frame contains layer
transparency. For most animations, the Automatic
option yields the desired results and is, therefore,
the default option.
Note:
Choose the Automatic disposal option when
using the Redundant Pixel Removal optimization
option, to enable ImageReady to preserve frames that
include transparency.
Do Not Dispose to preserve the current frame as
the next frame is added to the display. The current
frame (and preceding frames) may show through
transparent areas of the next frame. To accurately
preview an animation using the Do Not Dispose
option, preview the animation in a browser.
Restore to Background to discard the current
frame from the display before the next frame is
displayed. Only a single frame is displayed at any
time (and the current frame will not appear
through the transparent areas of the next frame).
Flattening frames into layers
You can flatten animation frames into layers.
A single, composite layer is created for each
frame, containing all of the layers in the frame.
The original layers in the frame are hidden but
preserved (the original layers will be available if
they are needed for another frame).
Note:
If you save an animation as a GIF, the
animation frames are
attened and the original
layers are lost. You should save the original
le in
Photoshop
le format to preserve layers for reediting.
A
B