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With adequate rest, you can go farther and climb higher. Sleeping is definitely a big problem when we are camping outdoors overnight. How can we sleep comfortably and warmly in the wild?
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Since the traditional drafting machine also uses ink to image, in theory, the color gamut it can express is very close to printing. In terms of digital copying, some devices can use similar color inks similar to ink components, and the performance of color gamut is also very similar to printing. However, the cost of both ink and machine is very high (general equipment is between HKD550-1.6 million, depending on the format and accuracy). Other common color printers, such as ink jet or thermal sublimation, are more plentiful in color gamut than printing ink, and the cost is very low. The key is how to use the rich color gamut to simulate the color gamut of the printing ink, which depends entirely on the color management technology of individual manufacturers. Net Flower Simulation Ability--
Traditional drafting in this area has an absolute advantage. Because they use the same set of film printing and printing. For digital copying, if you want to simulate nets, you need to invest more than one million yuan to buy high-precision equipment. However, the effect of the exchange is not very consistent with the actual printing effect. For example, the accuracy of digital drafting machine is 2000/3000 dpi, and the accuracy of the image-setter is 2400/3600 dpi. The web flowers created by both are completely different. Most of the devices on the market that can simulate nets can only meet the visual requirements of customers. stability--
Because traditional drafting machines use manual ink and adjust the pressure, the effect is very unstable. The people in the industry have the experience that the same set of films are taken out and the effects are usually not the same. Digital writing is automated imaging and can be very stable. Of course, if the equipment quality is not good, such as the ink head is often blocked, it will also cause instability. However, the more stable equipment on the market is not hard to find. reliability--
Traditional drafting uses a film that is consistent with printing, and it is highly reliable. Digital drafting can be considered on three levels in this issue: (1) If the output RIP is completely different from the RIP of the final platemaking system, then the reliability is low; (2) If the output of the RIP is The same as the build system, but need to be reprocessed separately before imaging, so that the reliability is higher; (3) If you can use the same set of data that has been processed by RIP for proofing and plate making, this reliability is very high. Because in addition to human factors in the entire process, the most likely opportunity for operational differences is the RIP calculation. The three methods mentioned above are all available in the market and users must pay special attention. Cost-effective investment costs--
In this regard, traditional drafting is inferior to digital drafting. Because of the same production capacity, such as the completion of two sets of four-color printing in one hour, the investment in traditional equipment requires four sets of drafting machines, supporting printing and processing equipment, plus the required work. With staff and a large factory building, the investment amount is about 2.2 million Hong Kong dollars. The investment in digital writing can be 330,000-1.65 million Hong Kong dollars, depending on the requirements of quality, while the additional labor is close to zero. In terms of material costs, the cost of paper and ink for traditional drafting is very low, and the higher proportion of fees is for plates and syrups. For digital copying, an open format is around HK$22-165, depending on the individual printer. In general, the return on investment in digital writing (at a certain level of quality recognition) can be much higher than traditional writing. Performance Performance Speed ​​-
On the surface, the speed of digital imaging is faster, and printers that are generally available on the market can complete a high quality facing page within 20 minutes. However, traditional drafting, regardless of its size, does not include the time for imposition, printing, and stencil printing. The operation of a single draft is generally 30-40 minutes, but this is only a comparison of the production of a draft. When it is necessary to produce more than one color draft, the difference in speed between the two is closer. Multiple simulation capabilities -
The color gamut that most digital copying machines mentioned above can express is richer than printing ink. The rich color gamut coupled with the cooperation of good color management software enables digital copying not only to simulate the effects of prints, but also to simulate other production effects such as screen printing, digital printing, inkjet posters, etc. Simulating the performance under high-speed rotary presses can better meet the increasingly diversified output needs of the market. The most common example is a set of advertising designs that need to be promoted through different media. Multiple format capabilities--
In addition to being able to simulate the color effects of an output medium, the digital copying system can also automatically adjust the colors of the images in the files in accordance with the needs of different outputs so that the operators do not need to make manual modifications and truly achieve automatic work. Process. The features of the above two digital writings are all lacking in traditional drafting. Digital drafting Digital drafting can basically be divided into three categories:
Design proof design drafting, only for layout design.
Color proof coloring for color effects.
Screen proof proofing, at the same time for the color and net effect.
Overall, Color proof is the most comprehensive use of color drafting, with high selectivity, and can achieve the best cost-effectiveness. (figure 1) In fact, there are many types of color printers available on the market. The main imaging technologies include: laser printing, thermal wax transfer, thermal sublimation, and inkjet. The inkjet type can be regarded as a mainstream medium-to-high end product. The following is a training material from the Rochester Institute of Technology in the United States in 1998. Digital Stamping Hardware Introduction Thermal transfer technology: This technology contains a block of pigmented wax and is transferred to special paper. However, the color space covered by this technology is different from that of traditional offset printing. Printed manuscripts that use thermal transfer technology have a rough appearance, and the dots generated are not consistent with the printed halftone dots. The equipment investment is about 8,000 US dollars, and the cost for printing is about 3 US dollars each time. Sublimation Technology: The Sublimation Technology Sublimation System utilizes a printhead containing thousands of heating elements and a ribbon containing CMYK pigments for proofing. The print head produces 256 different levels of heat, allowing the solid pigment to sublimate into vapor and condense on the receiving medium. In the center of each point, the color is darker and the edges are lighter. When the four printing colors are printed, the four colors merge into one continuous tone image. The average set of such equipment is about $25,000 per print
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The development of digital proofing
With the development of computer-to-plate (CTP) technology in recent years, the industry generally believes that this technology will inevitably replace the existing filmmaking process, but its development has been hampered. Because the use of film processing process can still provide a certain degree of flexibility for manual modification, such as typos or local version and so on. However, direct platemaking is a one-step process in which platesetters image directly on plates. All imaging data cannot be lost or lost. Otherwise, the entire page layout needs to be re-exported. In other words, compared to CtFilm, CtPlate requires a more reliable digital workflow to properly handle the production process from designer to printer. Therefore, the most controversial issue is not whether it is possible to use lasers to create high-precision outlets directly on plates, but whether there is an acceptable digital workflow to replace the existing production methods. In the entire process, it needs to be considered: digital writing, computer imposition, production efficiency, flexibility of modification, cost, trapping and filming problems. Here we introduce the requirements and techniques of digital writing. Comparing Digital and Traditional Calling When referring to the effects of digital writing, traditional writing is generally used as a benchmark for comparison. Although this comparison is a matter of course, it is often easy to miss out on some of the digital writing. The benefits brought by the function. We will divide the three major areas below, including quality, cost, and effectiveness, and try to objectively compare the differences. Quality Effect Color Simulation Ability-- .reveal-modal-bg { position: fixed; height: 100%; width: 100%; background: #000; background: rgba(0,0,0,.8); z-index: 100; display: none; Top: 0; left: 0; } .reveal-modal { visibility: hidden; top: 200px; left: 50%; margin-left: -300px; width: 600px; background: #eee url(modal-gloss.png) No-repeat -200px -80px; position: absolute; z-index: 101; padding: 20px; -moz-border-radius: 5px; -webkit-border-radius: 5px; border-radius: 5px; -moz-box -shadow: 0 0 10px rgba(0,0,0,.4); -webkit-box-shadow: 0 0 10px rgba(0,0,0,.4); -box-shadow: 0 0 10px rgba( 0,0,0,.4); } .reveal-modal.small { width: 200px; margin-left: -140px;} .reveal-modal.medium { width: 400px; margin-left: -240px;} . Reveal-modal.large { width: 600px; margin-left: -340px;} .reveal-modal.xlarge { width: 800px; margin-left: -440px;} .reveal-modal .close-reveal-modal { font- Size: 22px; line-height: .5; position: absolute; top: 8px; right: 11px; color: #aaa; text-shadow: 0 -1px 1px rbga(0,0,0,.6); font- Weight: bold; cursor: pointer; } .reveal-modal h1{color: #0c6ab2; font-size: 20px;font-weight: 600;} .reveal-modal p{margin: 10px 0;line-height: 22px;} Var destoon_userid = 0; var destoon_username = ''; var destoon_message = 0; var destoon_chat = 0; var destoon_cart = substr_count(get_cookie('cart'), ','); var destoon_member = ''; var oauth_site = ''; Var oauth_user = ''; destoon_member += (oauth_user && oauth_site) ? '
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