Documentation

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3.1. F1 IMPOSITION FILES panel

      1. F1 IMPOSITION FILES panel
      2. F2 IMPOSITION PARAMETERS panel
      3. F3 SEQUENCE OF SIGNATURES/SHEETS panel
               1. Exception table
               2. Example entries in the exception table
               3. Additional function of the Exception Table
               4. Reverse numbering of signatures and sheets
               5. Sequence of sheets in the signature
      4. F4 CREEP REDUCTION panel
      5. F5 SPACING BETWEEN COLUMNS/ROWS panel
      6. F6 OUTPUT FILE panel
      7. F7 GRAPHIC ELEMENTS ON THE IMPOSITION SHEET panel
      8. F8 FINAL OPTIONS panel
      9. Saving the imposition project
      10. Imposition templates

3.1. F1 IMPOSITION FILES panel
The F1 IMPOSITION FILES panel is used to load PDF files that will be imposed.
You can load several PDF files (e.g., chapters) into the table.

Use the [1] and [2] buttons to load and delete files from the table.

Another way to place files in the a table is to drag them directly into the table with your mouse.

Additionally, you can use the right-click menu to manage the Table of pages and sizes for imposition. This menu allows you to delete pages, add blank pages, and change page sizes in the table

Colors in the page table

The first page of the loaded file will deter-mine the cell-grid size on the imposition sheet. If subsequent pages have sizes different from the cell-grid size, this will be indicated by a warning message and a color change in the Width and Height columns.

Pages with dimensions other than the specified usable size will be centered in the cell grid during imposition.

Pages with sizes other than the specified cell-grid size will be centered in the cell-grid during imposition.

If the number of pages in the table is not divisible by 4, the row number column in the table will be colored red and the pages will not be placed on the imposition sheet.
If adding or removing pages results in an odd-numbered PDF page being placed in an even row (or vice versa), the Page column will be colored orange.
Below the Table of pages and sizes there is a text field used to define the order number or name.

By default, this field displays the phrase before the first "_" character in the file name (if such a character is used in the name) or the entire file name without the extension, written in capital letters.

Table editing
Selecting the Edit... command from the context menu opens the Change parameters in selected rows dialog box. The same window can also be opened by double-clicking on a cell in the Table of pages and sizes.

In this window, you can change the parameters of all selected rows.

If more than one row is selected, the program requires confirmation that the Page column is filled with the same PDF page number, provided that the Page number in file option is selected. This is because the window displays data from the last selected row.

Table verification

Verification of the Table of pages and sizes consists in checking whether its content corresponds to the actual state:

  • whether the PDF files loaded into the table are located in the specified locations on the disk;
  • whether the PDF files loaded into the table do not contain fewer pages than the largest page number visible in the table;
  • whether the page sizes in the files match the values displayed in the table.


Verification is performed twice:

  • after loading the imposition project file into the program;
  • after pressing the MAKE AN IMPOSITION button.
You can also run the table verification manually by clicking the Verify PDF files in the table button located above the table [3].

Next to: table after verification, no errors detected.


If the Table of pages and sizes contains irregularities detected during verification, the user is informed about this in a warning dialog box.


Additionally, a new, previously invisible first column marked with the letter W appears in the Table of pages and sizes. If a table row contains errors, the cells in this column display the ! or ? symbol and change their background color to red or orange, respectively.

In the example screenshot, the files were located in the Test_1 folder. When the project is opened, this folder does not exist on the disk. The project file is saved in the Test_2 folder, which also contains one of the files loaded into the table (A5_4p_B.pdf). This file was used instead of the missing file Test_1/A5_4p_B.pdf. Additionally, the problem is that the number of pages in this file is one less than in the original file.

Error details are displayed in tooltips.


Possible messages for orange background color in column:

? File replaced. Folder in Table: > New folder:

This message means that the files loaded into the table are not in their original locations, but the program has detected files with the same names in other, alternative folders. During verification, the program will replace the missing files with the ones it finds. The next verification (e.g., after pressing the MAKE AN IMPOSITION button) will no longer detect the error, and imposition will be possible.

Alternative folders

If, for example, the original name and location of the file loaded into the Table of pages and sizes is:

C:\Project\Graphics for the project\Photos\1a.pdf

and the name and location of the imposition project are:

C:\Project\Impoz_123.impb

after renaming the folder C:\Project to C:\Project_Archive and reloading the project into the program, the original file path will no longer be valid (C:\Project\... ≠ C:\Project_Archive\...).

In this situation, the program will start searching for the file 1a.pdf, adding successive segments of the original path (from the end) to the folder where the imposition project is located (alternative folder):

C:\Projekt_Archiwum\1a.pdf
C:\Project_Archive\Photos\1a.pdf
C:\Project_Archive\Graphics for the project\Photos\1a.pdf.


? The page sizes in the table X, Y are different from those in the file: X, Y.

This message means that the PDF page in the row now has different dimensions than before.


Possible messages for red background color in column:

! File not found on disk.

This message means that the files loaded into the table are not in their original locations or in the imposition project folder.

! No page in alternative folders.

This message means that the PDF page number in the line is higher than the current number of pages in the file.


Note! Until the errors file missing and pages missing in file in the Table of pages and sizes are corrected, imposition is not possible.


Page simulator mode

The F1 IMPOSITION FILES panel also contains the Run simulation for the number of pages switch, which allows you to work without loading PDF files into the table. This mode is mainly used to plan the layout of the imposition sheet and save the settings as a template. In simulator mode, the Table of pages and sizes is not available.

The most common errors in files:

  • The number of pages is not divisible by 4 without a remainder. The user may insert virtual (blank) pages into the document’s existing page count, which are then used during imposition. These blank pages ensure that the total number of pages becomes a multiple of four, guaranteeing proper layout for folding and binding.

  • Page rotations other than 0°. Rotations performed using programs such as Adobe Acrobat actually consist of adding information to the page parameters about the angle at which the PDF file viewer should rotate the displayed page. However, the actual rotation of the page with a change in the coordinates of the objects on the page does not occur. The Impozycjoner software does not take into account page rotations performed this way. If the PDF file contains pages rotated using this method, the user can make a copy of the file for imposition, in which the virtual rotations will be replaced with actual ones using an additional tool called Rotate PDF pages.
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