True network digital proof
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In the past few years, digital proofs have been initially criticized by users for their feasibility. Today, various companies, advertising companies and design companies have introduced them, showing that their recognition is very high. Especially the CtP system has become popular, digital drafting is an indispensable part. In 2002, the technology of the digital proofing system reached a higher level. In addition to the color of the standard, it can now be connected with various CtF and CtP processes, and can preview the pattern that will appear when printing. Soft collision net problem.
Digital drafting has existed for a long time. At first, most manufacturers used closed-end systems to use inkjet printers or sublimation printers. With their unique color silk school, today's prints are close to traditional drafts or prints. However, these systems are often expensive and costly to operate. The quality is still a long way from traditional manuscripts or prints, so the recognition is very low. Until 1999. Best Company of Germany has launched the BEST COLOR digital proofing system with ICC color management standard, which enables general inkjet printers to output accurate and high-quality digital proofs. The price of the entire system is only about 40,000 Hong Kong dollars, and the printing cost is about 15 Hong Kong dollars per A3 Extra.
Breakthrough drafting
It is not difficult to print an accurate color sample of an inkjet printer through the ICC Profile. As long as the produced ICC profile is accurate, the linear adjustment is good, the printer is stable, and the entire system is set correctly, it is not difficult to obtain accurate and accurate color digital proofs around the world, but Mr. Lin Xuesen, a director of Grande Technology, believes that an accurate In addition to accurate color, digital proofing should be able to see the problems that occur when printing. Therefore, BEST launched the new BEST Screen Proof digital point printing system at the end of 2001, officially bringing digital drafting to a new era.
During the plate making process, the PostScript file is transferred to the RIP of the imagesetter and calculated into a bitmap and output to the imagesetter. In the RIP calculation and into the dot matrix will be added to the RIP manufacturer's unique network, so that the final output of the film has different CMYK outlets, but in the process, some images, such as clothing stripes, or speakers Cover pattern, strange ripples, or gem patterns, appear after RIP screening. These patterns will vary depending on the shape of the dots or the network cable.
In the past, inkjet digital games only used a unique network (usually a random network), instead of using the outlets that actually output the film, so there is no way to make the inkjet printer output.
In order to make the digital proofing completely preview the gem and the net that will appear when printing, and have accurate colors, we have the following information:
(1) The characteristics of the net in the film, that is, the shape of the network cable, the net corner and the dot.
(2) Characteristics of printing. That is, the dot gain curve.
(3) Color characteristics, that is, the hue of the ink.
As long as we extract 1-bit TIFF from the RIP of the imagesetter, we can get the various features in the film. 1-bit TIFF is actually equivalent to digital film. When PostScript files are calculated and imaged in RIP, each color version will become a high resolution black and white (so 1-Bit) networked image, usually stored in TIFF format. Finally, these 1-bit TIFFs are sent to the imagesetter for exposure to film. So 1-bit The characteristics of the network in TIFF are exactly the same as those in non-forest.
Note other than 1-bit Tiff file
The original file for digital drafting with 1-bit TIFF is only the beginning. The increase in dot size during printing will change the final print outlet and will vary depending on the printing process. The hue of the ink will also vary depending on the ink supplier. The variables that appear in such a solid print are not found in 1-bit tiff. In fact, as long as we have the printed ICC PRO FILE, we can already get the above two materials, ICC.
PROFILE has recorded the ink hue and dot gain, which is accurate. Therefore, in the Screen Proof digital proofing system using 1-bit TIFF, ICC PROFILE provides important dot gain and ink hue data, so that the digital digital proof can accurately output the same web as the printed matter. The gemstone is naturally applied to the inkjet print by this technology and printed in the same color. And these are some other digital tethers that only use 1-bit TIFF, but do not use ICC Profile. They can only be called 1-bit TIFF print drivers, not digital proofs.
On the left is the traditional manuscript, and on the right is the digital proof printed by the Screen Proof system, carefully observed, visible on the digital manuscript, reproduce the printed gem network points are simulated?
Screen Proof's dot technology is not analog. The true mesh output is not filtered by the network. Therefore, the characteristics of the network are the same as the RIP output. Through ICC
Profile to color management 1-bit TIFF technology is the patented technology of BEST.
Screen Proof can not only input 1-bit TIFF for digital digital printing, but also input PostScript, PDF, Delta List, CTI/LW, TIFF and TIFF/IT for traditional digital-free digital proofing, and therefore cooperate with it. Needed for different workflows. Especially in some of the more large-scale users, there are a variety of film output RIP such as Heidelberg Delta, Creo Scitex Brisque/Prinergy, Dainippon Screen/ Harlequin, Agfa/Taipan, Screenproof can accept the digital film files they flow through, such as Delta List, CT /LW and so on.
Paper is color
In the inkjet digital proofing system, the cooperation of paper and ink is also important. Therefore, BEST has also independently developed a series of special paper for digital proofing, which is suitable for simulating powder paper, book paper, newspaper, paper, or even powdered paper. All of these papers have the strictest quality control, ensuring that each cartridge or roll of paper has a color error of less than three Deltas after inkjet.
E. In addition, BEST understands the characteristics of digital drafting, so the coating of paper is also specially researched and developed by German scientists. Today, the printing color gamut is larger. Moreover, these papers have high light resistance, low phosphor content, and can be used by Dye for Pigment inkjet printers to ensure that each printer can also have a special "handle" paper, which makes the digital proofing effect more stable and more accurate.
Appropriate
In addition to Screen Proof, Best Color also offers two solutions, Color Proof and Designer Edition, which are suitable for the needs of different companies and different departments. For example, the design department, they are pursuing a digital snoring system that allows them to print color accurate, so they do not need to use Screen Proof with real dot technology, a set of Designer Edition is enough to meet the needs of designers. When the company uses these three sets of the same series of mommy drafting schemes, there is no need to worry about the same files appearing different colors under different softwares. The color technology they use is the same, so it is impossible to have different colors in different printers. In the case of drafting, it is easy to unify colors and facilitate internal communication. As far as Mr. Lin is aware, there is currently no pre-press software manufacturer on the market that can provide such a comprehensive range of solutions, and only the Best series can fully meet the differences in design, color separation and printing. Claim.
In summary, the digital drafting of the dot is not equal to everything. If there is no dot-up curve data contained in the ICC, the dot at the time of printing cannot be printed out, and the net and the gem can not be accurately reproduced. It may be more than The effect of digital digital printing is even worse, so users should understand the technical and practical significance of digital digital printing.