I'm trying to use iText to output a PDF print file that is compatible with four color process screen printing.
In this process, an RGB image is converted to CMYK and separated. Halftone films for each separation are printed using an imagesetter. Each separation must be printed at a different screen angle in order to minimize ink overlap. Currently, Adobe Illustrator is capable of letting one specify screen angles and frequency (lpi) for each halftone separation and outputting a PDF or PS file. The fact that this resulting PDF file can be printed correctly leads me to believe that this halftone information ( screen angle, frequency, dot shape ) is either embedded in the PDF/PS format - or that the image is pre-rastered before it's output. I wanted to know which is the case. Thanks for your response, Jeff -- View this message in context: http://www.nabble.com/Halftones-tp15977367p15988332.html Sent from the iText - General mailing list archive at Nabble.com. ------------------------------------------------------------------------- This SF.net email is sponsored by: Microsoft Defy all challenges. Microsoft(R) Visual Studio 2008. http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/ _______________________________________________ iText-questions mailing list iText-questions@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/itext-questions Buy the iText book: http://itext.ugent.be/itext-in-action/
