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Using Discard Objects settings
The Discard Objects panel of the PDF Optimizer lets you specify objects to remove from
the Adobe PDF document and lets you convert smooth lines to curves. The level of
compatibility that you choose from the Make Compatible With menu determines the
objects that you discard. Objects that can be discarded include both objects created in
Acrobat and objects created in other applications. Selecting an object removes all
occurrences of that object within the PDF document.
In the Discard Objects area, you can select from these and other options:
Discard All Alternate Images
Removes all versions of an image except the one destined for on-screen viewing. Some
PDF documents include multiple versions of the same image for different purposes, such
as low-resolution on-screen viewing and high-resolution printing.
Discard Embedded Thumbnails
Removes embedded page thumbnails. This is useful for large documents that can take a
long time to draw page thumbnails after you select the Pages tab.
Discard Private Data Of Other Applications
Strips information from a PDF document that is useful only to the application that created
the document. This does not affect the functionality of the PDF document, but it does
decrease the file size.
Discard Document Structure
Removes tags from the document, which also removes the accessibility and reflow
capabilities for the text.
Discard Hidden Layer Content And Flatten Visible Layers
Decreases file size. The optimized document looks like the original PDF document but
does not contain layer information.
Convert Smooth Lines To Curves
Reduces the number of control points used to build curves in CAD drawings, which
results in smaller PDF files and faster on-screen rendering.
Detect And Merge Image Fragments
Looks for images that are fragmented into thin slices and tries to merge the slices into one
image.
29
Using Clean Up settings
The settings in the Clean Up panel of the PDF Optimizer remove useless items from the document. These items
include elements that are obsolete or unnecessary to your intended use of the document. Be aware that removing
certain elements may seriously affect the functionality of the PDF document. By default, only elements that do not
affect functionality are selected. If you are unsure of the implications of removing other options, you should use the
default selections.
In the Clean Up area, you can select these options:
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Object Compression Options apply as follows: If you choose Acrobat 4.0 And Later or Acrobat 5.0 And Later from
the Make Compatible With menu, you can choose to compress Document Structure or remove all compression in
the Object Compression menu. If you choose Acrobat 6.0 And Later or Acrobat 7.0 And Later, you can choose to
compress the entire file, compress Document Structure, remove all compression, or leave the compression
unchanged in the Object Compression menu.
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Use Flate To Encode Streams That Are Not Encoded determines whether applying compression to a particular
stream reduces file size. Compression is applied only if file size will be reduced.
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Remove Invalid Bookmarks/Links removes bookmarks and links that point to pages in the document that have
been deleted, or to other invalid destinations.
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Remove Unreferenced Named Destinations removes named destinations that are not being referenced internally
from within the PDF document. Because this option does not check for links from other PDF files or websites, it
may not fit in some workflows.
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Optimize The PDF For Fast Web View restructures an Adobe PDF document for page-at-a-time downloading
(byte-serving) from web servers. With page-at-a-time downloading, the web server sends only the requested page
of information to the user, rather than the entire PDF document. This is especially important with large documents
that can take a long time to download from a server.
Clean Up panel of PDF Optimizer
10
Processing Adobe PDF Documents in Batches
About batch sequences
Running batch sequences
Using predefined batch sequences
Reorganizing the commands in a batch sequence
Making batch sequences interactive
Editing the options in a command
Selecting source files and output options for batch processing
Creating batch sequences
Setting the batch-processing preferences
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About batch sequences
When you apply one or more routine sets of commands to your files, you can save time
and keystrokes by using an automated batch sequence--a defined series of commands with
specific settings and in a specific order that you apply in a single step. You can apply a
sequence to a single document, to several documents, or to an entire collection of
documents.
You can use the batch sequences provided with Acrobat or define your own. Your custom
batch sequences appear on the list with the predefined sequences in the Batch Processing
dialog box. When you quit the application, your batch-processing definitions are saved so
that you can reuse them in later work sessions.
Developers can further enhance batch processing and other robust capabilities in Acrobat
by using the Acrobat Software Developers Kit (SDK) to create scripts and plug-ins for
their particular needs. Visit the Adobe website at
http://partners.adobe.com/links/acrobat
(English only) for more information about the Adobe Solutions Network (ASN) and the
Acrobat SDK.
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Running batch sequences
Acrobat includes a number of simple, predefined batch sequences that you can use to
streamline your work. You do not have to open any of the Adobe PDF files before you
begin to run these batch sequences.
To batch-process PDF documents:
1. Choose Advanced > Batch Processing.
2. In the Batch Sequences dialog box, select the batch sequence you want from the list, and
click the Run Sequence button. See
Using predefined batch sequences.
3. In the Run Sequence Confirmation dialog box, verify that the sequence you selected is the
one you want, and click OK.
4. In the Select Files To Process dialog box, select the files that you want, and then click
Select. (In Windows, these files must be in the same folder.)
5. If a message asks for additional input for a specific command in the sequence, select the
options you want and click OK.
6. When the progress bar disappears, click Close.
You can click Stop in the Progress dialog box to stop processing. The Progress dialog box
expands automatically to show the percentage of completion and any error or warning
messages. Any files already processed are saved as defined in the batch sequence. When
the Progress dialog box closes, errors are automatically written to the batch-processing
error log, depending on the selections in the Batch Preferences dialog box. (See
Setting
the batch-processing preferences.)
Note: If you customize sequences, some of the steps above may not apply.
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Using predefined batch sequences
The predefined batch sequences represent common tasks that you routinely need to
perform to prepare files for distribution.
Create Page Thumbnails
Embeds miniature images of each page for display on the Pages tab. (See
Creating page
thumbnails.)
Fast Web View
Enables users to download long documents incrementally. (See
Enabling Fast Web View
in Adobe PDF files.)
Open All
Opens all the specified files. This batch sequence creates PDF files for any input files if
they are a supported file type.
Print 1st Page Of All
Prints only the first page of each of those Adobe PDF files in the batch sequence. The
pages print on your default printer, using your current default print settings. (See
About
printing.)
Print All
Prints all pages of the files included in the batch sequence. The files print on your default
printer, using your current default print settings.
Remove File Attachments
Removes files that have been attached to the Adobe PDF files in the batch sequence. (See
Using the Attach File As Comment tool, and
Using actions for special effects.)
Save All As RTF
Saves the files in Rich Text Format (RTF). (See
Converting Adobe PDF documents to
other file formats.)
Other custom batch sequences may also appear if you or someone else has created batch-
processing definitions on your computer.
Set Security To No Changes
Limits access to an Adobe PDF document by setting up passwords and restricting certain
features, such as printing and editing. (See
About document security.)
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Reorganizing the commands in a batch sequence
You can alter batch sequences, whether they are batch sequences you created yourself or
predefined. You can add, rearrange, and delete commands in the batch sequence
definitions to suit your work requirements.
To change the commands in a batch sequence:
1. Choose Advanced > Batch Processing.
2. In the Batch Sequences dialog box, select the batch sequence you want to change, and
then click Edit Sequence.
3. In the Batch Edit Sequence dialog box, click Select Commands.
4. To change the sequence of commands, do any of the following, and then click OK:
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To add a command to the sequence, select it in the list on the left and click Add to move it
to the list on the right.
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To delete a command from the sequence, select it on the right and click Remove.
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To change the order in which the commands are applied, select a command, and click
Move Up or Move Down.
Note: You can also edit the options for individual commands in the batch sequence or add
interactive pauses at strategic points in the batch processing. (See
Editing the options in a
command and
Making batch sequences interactive.)
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Making batch sequences interactive
If your work requires that different documents use slightly different settings of the same
commands, you can still use batch processing to automate the work. You can set up your batch-
processing definitions to have pauses between specific commands so that you can modify
command options before they execute.
Note: You can't add interactivity to commands that don't have interactive options.
To add interactive pauses to a batch sequence:
1. Choose Advanced > Batch Processing, select the batch sequence you want to add interactivity
to, and click Edit Sequences.
2. In the Batch Edit Sequence dialog box, click Select Commands.
3. On the right side of the Edit Sequence dialog box, select the Toggle Interactive Mode option
for the commands that you want to provide input to during processing, and then click OK.
Toggle Interactive Mode A. Interactive mode is not available. B. Interactive mode is available but not
selected. C. Interactive mode is selected.
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Editing the options in a command
You can edit a batch sequence by rearranging the commands included in the batch sequence
(see
Reorganizing the commands in a batch sequence), but you can also edit the options within
the individual commands.
To edit the options for a batch-processing command:
1. Choose Advanced > Batch Processing, select the batch sequence, and click Edit Sequences.
2. In the Batch Edit Sequence dialog box, click Select Commands.
3. In the Edit Sequence dialog box, select the command you want to change, and click Edit.
Note: The Edit button is unavailable if you select a command that has no options.
4. Change the options as needed, and then click OK.
5. Continue selecting commands that you want to change. When finished, click OK.
Note: To review the command settings, click the triangle to expand the command display.
Expanding the command display in the Edit Sequence dialog box
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