How to transform the world of documents
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PDF is a rising star in the information environment in recent years. The author has described its role and compelling charm in different publications. This article further discusses its use from a different perspective.
Today, an effective means of sharing information via the Internet is PDF, and the frequency of publicizing information on the Internet using PDF will increase in the future.
PDF plays a role in transaction-related fields such as information delivery
The biggest feature of PDF (Portable Document Format) is that it can share the same file in multiple working terminals. Moreover, for documents compiled in the office, or documents for commercial printing, regardless of its quality and how to deal with it, it can be expected to play its due role in various fields.
Since the sale of Acrobat 3.0 in June, 1997, after two years, Acrobat 4.0, which has greatly expanded its functions, was born again. At the beginning, it was expected that PDF would be fully utilized in the field of prepress engineering, but actually In the field of prepress engineering, it has not been well utilized. On the contrary, it has played a leading role in transaction-related fields such as intelligence transmission. Let's take a look at how the PDF is being used and what it will expand in the future.
Standardization for information transmission processing methods
With the enrichment of the network environment represented by the Internet and the Intranet, there are many examples of sharing documents in the enterprise through the network. The PDF can pack the original document format and compress the original to 1/10 to 1/40 of the original, which is equivalent to reducing the file size. In addition, in the Windows environment or Macintosh environment can share files, which is the best for sharing information through the network.
When sending a file via the network, there is a method of browsing a file in HTML form by means of a Web browser. However, with this method, it is time-consuming and labor-intensive to make a paper document first and then to make a Web file in other projects.
With PDF, you can easily convert PDF files to PDF using Acrobat Distiller.
Overseas, there are already many companies that use documents, online manuals, product catalogs, etc. in conjunction with PDF, and the means and work procedures for sending information through the Internet using PDF can be said to be very common.
Anyone who does not rely on the user environment is suitable
For the media used for public information, in addition to paper media, the Internet is a more powerful means. Some government agencies have already used the webpage, and some have begun to disclose information. Local groups also have web pages that are intended to disclose their own meeting records.
From the above, it is explained that the documents of public organizations, in addition to being printed on paper, are sent by the network, which is equally important. Because of the user-dependent environment, the demand for PDF production files is expected to increase.
Construct a document management system with PDF
In the past, the scanner always used the scanner to read the document data on the paper, and directly converted to PDF processing, and also applied to file management. I have heard about the application of "electronic file layout", and a number of software have been commercialized. In particular, Acrobat 4.0 can directly scan scanned data into PDF as long as it encounters a scanner corresponding to TWAIN (Technology Without Any Interested Name). Therefore, the cases in which documents and documents in the company are shared and managed by means of PDF will increase from now on.
Use the new features of Acrobat 4.0
Expanding to communication means
The past PDF was mainly used on computers, but it was applied to the current purpose of browsing data in the same genre as paper documents. On Acrobat 4.0, the annotation method and the electronic signature function are loaded, and similar written comments or application forms can be created by relying on PDF. The format function (this function has been loaded in a small modification), or the PDF combined with the newly loaded annotation method and electronic signature function, and built into a file, can achieve the application of the group wear application. . Further, in combination with the authentication system, the limit of the reference can be added according to different users.
In the future, PDF can be applied to various documents made of paper media, and it can be expected to be used as a communication means according to various additional functions.
Font padding makes it possible to achieve online proofing
Take the original original model of the PDF, it has been used to online proofing. However, although it is an online proofing, it can only be regarded as a simple product that utilizes the "note function" of Acrobat. In addition, another example is the method of attaching a PDF file to an e-mail and sending the proof content back by e-mail. In short, due to problems such as substitution of words and colors, it cannot be applied to high-precision proofing operations.
The types of annotation processing tools in Acrobat 4.0 have increased, and the ICC profile has been supported. However, the reason why the font padding is licensed, because only the CID type PS font and the Truetype font, the commercial printing field that uses the OCF type PS font has many advantages, and is not greatly benefited by the font filling function. . Therefore, in the future, it is very likely that Windows DTP, which uses more Truetype words, will be widely used to promote online proofing using PDF.
Presentation of Windows DTP data
If it is in PDF form, it will be welcomed
For Acrobat 4.0 to seek cooperation with Microsoft Office products, it is easy to make PDF according to Word or Excel. Based on this situation, you can count on the increased chances of Windows DTP data being received in PDF format. This is welcome for printing companies and output centers.
In the past, there were various problems in order to output data compiled with Office products, and complicated processing was required in order to complete the output. Typical problems are confusion in layout design, sometimes inappropriate fonts, and so on.
The reason for the confusion in the layout design is that the layout information of the production side and the layout information of the output based on the image integration machine are inconsistent. It can be converted into a PDF sent to the output end, and converted into a workflow sent to the output. Can solve the confusion of layout design. The so-called font is not suitable because the font used to compile the data is not loaded on the output. Just fill the Truetype in the PDF data on the production side, and the problem is solved.
Electronic publishing from the PDF database
Looking forward to a two-tiered database
There are several examples of the use of PDF to implement web publishing. The specific application is that users can purchase a certain page specified in maps, information magazines, and academic books as needed. This method of application is to provide the entire page of data that has been made, so it is equal to the information that can provide the same content to any user.
In recent years, companies are focusing on One to one marketing. This year, there will definitely be the use of PDF to provide the information you need for your individual. For this reason, it is not the case that the entire document or the entire document is PDFized, but the contents (notes, drawings, etc.) of the composition are PDF-based, so it is necessary to manage it by using a database.
The PDF of these content units, adapted to the consumer's hobby, is grouped into a PDF file (this is equivalent to grouping the fragmented PDF into the basic PDF), which can be compiled into a personal-oriented directory. This kind of induction work can also be considered in the provision of information, but as a PDF plug-in, it will be carried out in the Acrobat Reader of each consumer, and the application scope will be wider.
Since PDF itself does not have the ability to manage personal information and content units, it is necessary to use a database as a management content unit in order to be fully utilized. Considering the interoperability with the Internet and the Intranet and the future expansion, it is likely that an XML-based database is most suitable.
Currently, a two-tier structured database that combines a database that can manage the information of the content unit and a database that manages the PDF that is processed for processing can be present at an early stage.
PDF-based prepress engineering,
Directions for PostScript Extreme
According to the listing of Acrobat 4.0, the opportunity to use PDF to send to the printing company will increase. Currently, most output centers or printing companies are driving PostScriptLevel2 RIP. When using this system to process PDF data, several types of plug-ins must be used for page numbering software and parting software. Recently, the output manufacturers of major manufacturers have gradually started to load RIP corresponding to PostScript. Even without the versioner software of CrackerJack, the output can be output, and the page number project remains unchanged.
If individual software is introduced in a decentralized manner, there will be problems with no uniform workflow. As a result, PDF-based prepress projects cannot be realized.
In Adobe, in order to assemble a PDF workflow, a solution called PostScript Extreme structure has been considered. Its purpose is to parallelize the processing of files with different contents on a per-page basis with multiple RIPs to achieve high-speed RIP processing. In order to perform simultaneous processing with a plurality of RIPs, it is necessary to transmit the entire page information, the division information, and the imposition information to the RIP, and the Job Ticket is written to indicate the information. Extreme can perform RIP processing while referring to this Job Ticket.
In the future, I hope to adapt to the output of the PostScript Extreme Job Ticket and the application software.