Changing the DPI of an Output PDF File

Applies to: All versions of Ephesoft Transact

This page includes instructions on how to change the dots per image (DPI) of an output PDF file. The instructions here are specific to the CREATEMULTIPAGE_FILES plugin of the Export module.

The DPI of a PDF file can be read by either:

  • Saving the PDF as a TIF and inspecting the properties.
  • Using FineReader software.

Changing the DPI

There are two methods by which you can change the DPI of your output PDF:

  1. At the application level
  2. At the batch class level

At the application level

To change the DPI at the application level, you can modify the dcma-imagemagick.properties file. This is located at [Ephesoft_Directory]\Application\WEB-INF\classes\META-INF\dcma-imagemagick.

  1. In the dcma-imagemagick.properties file, locate the following parameter:
imagemagick.itext_image_convert_parameters

  1. Set the above parameter to “density 72 -compress LZW”.
imagemagick.itext_image_convert_parameters=-density 72 -compress LZW

  1. Save and close the file.

Note: These changes will be applied to all batch classes.

At the batch class level

If you’re unable to make changes at the application level, you can modify the output DPI for an individual batch class.

  1. From the Batch Class Management screen, select your batch class and click Open.
  2. Go to Modules > Export > CREATEMULTIPAGE_FILE.
  3. Set the Multipage File Export Process to GHOSTSCRIPT.
  4. Edit the PDF Optimization Parameters according to your workflow requirements.

Possible settings include:

  • Screen-view quality, 72 DPIi:
    • -dPDFSETTINGS=/screen
  • Low quality, 150 DPI:
    • -dPDFSETTINGS=/ebook
  • High quality, 300 DPI:
    • -dPDFSETTINGS=/printer
  • High quality and color-preserving, 300 DPI:
    • -dPDFSETTINGS=/prepress
  1. Click Apply.