Article | PDF-AKTUELL

Conversion to spot colors
with Spotify in Callas pdfToolbox 11

4. August 202019. February 2020 by Stephan Jaeggi

Callas has published an article about the Spotify feature in the new pdfToolbox 11.

With Spotify images can be converted into a limited number of spot colors. This feature is probably only useful for a few users, but if this requirement exists then Spotify is certainly extremely helpful.

Two blog articles about raster
technologies from Global Graphics

4. August 202026. November 2019 by Stephan Jaeggi

Global Graphics has published two basic articles on modern raster technologies in its blog:

The first article What is halftone screening? explains the reason for screening and the differences between AM and FM screening.
The second article Where is screening performaed in the workflow? explains which factors determine whether screening is performed during rendering or afterwards.

How quick is pdfToolbox’s
QuickCheck functionality?

4. August 20209. October 2019 by Stephan Jaeggi

A couple of weeks ago my colleagues at AgileStreams in France have been working on the question How long will it take to preflight a PDF file?

Now Callas has published more details in the Blog post How quick is pdfToolbox’s QuickCheck functionality?

The article explains the principle of the relatively new QuickCheck function and explains which properties of a PDF file can be checked with QuickCheck and which cannot (at present).

Second edition of «Do PDF/VT Right»
from Global Graphics

4. August 202019. September 2019 by Stephan Jaeggi

Global Graphics has updated their popular «Do PDF/VT Right™» guide.

The english publication offers a good overview on PDF/VT and tells what is necessary for an efficent use of this standard.

In addition to a general overhaul there is a section on the new ISO 21812 standard that allows workflow controls to be added to PDF files.

The new edition also contains notes on Harlequin-specific hints, to get even more speed out of your DFE if you are a Harlequin user.

20 years PDF Workflow

4. August 202010. September 2019 by Stephan Jaeggi

In September 1999, when the first pure PDF workflow system «Prinergy» was introduced by Heidelberger Druckmaschinen and Creo (now Kodak), four tutorials on PDF Workflow were published, which I had written for the two manufacturers.

The tutorials were distributed in printed form (I still have some copies in my basement) and as digital eBooks (of course interactive PDFs) in German and English for free download. The interest was very big. I stopped updating the statistics after more than one million downloads (from several platforms).