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

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

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).

Read more…20 years PDF Workflow

Selection of the class of your RIP

In his first article Martin Bailey, CTO of Global Graphics, discussed the basics for calculating the required data rate of a RIP, the second article deals with the selection of the class of the Raster Image Processor (RIP):

  • Up to 250 MB/s: a single RIP with multi-threading is sufficent.
  • Up to 1 GB/s: multiple RIPs should be used on a single server.
  • Above 1 GB/s: multiple RIPs distributed over multiple servers are required.

The articles are primarily aimed at manufacturers of output systems (digital printing, CTP). However, it is also interesting for users who wish to learn more about the architecture of RIPs.


Calculation of the
required data rate of a RIP

In addition to the article What does a RIP do? Global Graphics has published an article on calculating the size of the required data rate of a RIP. This is the first part of a two part series on Choosing the class of your Raster Image Processor (RIP).

The article links to an Excel spreadsheet with several calculation formulas for sheetfed and web printing. The formula for sheet-fed printing can also be used to calculate the amount of data for a platesetter.