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Professional Printing: Let's talk Cerilica

By Chris Williams. Published: 19th Nov 18:28:33 | Permalink | Printable

You might be forgiven to think this was a Cerilica weekend: In a continual effort to provide professional design and print solutions to RISC OS, Cerilica have released their Publishing Pack. Cerilica have documented what their publishing package contains and details are quoted below. The package is aimed at publishers who need, (or want), the following..

  • Sophisticated monitor calibration
  • PostScript print dotgain control
  • Accurate CMYK bitmap separations

These features are provided by a three applications:

  • Calibrate your monitor to the ultimate level of precision
  • Graphically adjust the gamma curves (monitors tend to be non-linear in operation)
  • Red, green and blue channels may be adjusted as one or individually
  • On-screen matching through greyscales, RGB and video CMYK
  • Different settings may be stored and retrieved between sessions
  • Option to auto-calibrate upon machine boot
  • Create a stand-alone gamma correction utility file for any setup
  • Automatically locks out attempts to alter gamma levels from other applications (such as screensavers)


  • Dotgain is a system that alters the printing process for a given media. For example, the ink used on newsprint spreads more than the ink on glossy paper.
  • Specify an accurate level of dotgain for any installed PostScript printer definition
  • Dotgain levels may be defined as a percentage on a user-defined level of tint or through a gamma level
  • Dot range percentages may be stated giving the highlight and shadow maximums
  • All definitions may be named and stored for later use
  • Standard settings provided as standard including the commonly used sheetfed method of printing commercially


  • Create sophisticated separations by just dragging in a deep (16M) colour RGB sprite and saving out the resultant CMYK sprite
  • Resultant sprites may be used directly with Ovation Pro, Impression Publisher and Photodesk 2/3
  • Operates in the background thereby not locking you out of the desktop at any stage
  • Very low memory usage regardless of the size of file being processed
  • Only a single option (to avoid overprinting extremes) making this the easiest to use separator available
  • Caters for photo-esque images very well calculating key ink (black) usage so that the print appears smooth and not stepped

More details will follow when Cerilica finished overhauling their previously award winning website, cerilica.com

Cerilica: 0870 2411 731

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