Documentation

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3.1. F1 IMPOSITION FILES panel

3.1. F1 IMPOSITION FILES panel

The F1 IMPOSITION FILES panel is used to load PDF files that will be imposed.

The Show extended information about sheets and pages field allows you to enable or disable additional data, such as the number of pages not included on any imposition sheet and the number of occurrences of each page on sheets in the *? column. The column is highlighted in orange if the page does not appear on any imposition sheet.

In addition, when the option to show extended information is enabled, the following data is displayed in the panel description: the number of pages in the table (4), the number of pages not included (3), and the total number of pages from the table placed on imposition sheets (8). In the example shown, the description looks like this: PAGES: 4|3|8.

Please note that when imposing imposition of hundreds of thousands of pages on thousands of sheets, disabling this option speeds up the program. This is because updating this data in real time can be too time-consuming.

Several PDF files can be loaded into the table at the same time.

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

Another way to place files in the 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.

The Duplicate Selected Rows menu command will bring up a dialog box allowing you to insert copies of the selected rows into the table a specified number of times. The number of duplicates can also be read from the file name if it contains the phrase _PRxxx_ (from Print Run), where xxx is an integer. The number of duplicates read from the file name can be reduced by 1, because at least one instance of the page is already in the table.

Colors in the page table

Each row in the table is assigned one of eight colors, which are used to mark pages in simplified preview mode. This color is displayed in the last column of the table.

A red color in this column, which may appear when reading an imposition project, indicates an error, such as a missing file or a missing page in the file.


Pages with dimensions different from the cell grid will be automatically centered in the cell grid during imposition.

Below the Table of pages and sizes, there is a text field for defining the job number or name.

The job name is taken from the name of the file loaded into the first row of the table. By default, this field displays the part of the name before the first "_" character or the entire file name without the extension, written in uppercase letters if the "_" character does not appear in the name. For example, if the file name in the first occupied row of the table is A5_vertical_8p.pdf, the job name will be: A5.

The job name can also be in the form of an integer (as Job Number), as long as the job name can be converted to a number.

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.impa

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 the file with this number.

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.

Important! 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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