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Desktop Publishing
Published in Paul W. Ross, The Handbook of Software for Engineers and Scientists, 2018
As the need for more elaborate printing capabilities grew, a number of solutions arose. The heart of the problem is where to put the “intelligence” for the printing process. There are three choices: In the word processor itself. The word processor becomes somewhat awkward to use unless a fast CPU and good interface are available. Among other things, this leads to a proprietary file format for the word processing document. It becomes awkward to move highly formatted documents between different platforms or word processors, unless a common data format can be used, such at RTF or DCA. If no common formatted data structure can be found, it may be possible to transfer the files in “generic” format, where a carriage return/line feed is used only at the end of a paragraph. It will then be necessary to reformat the file.In the printer. This leads to what are known as page description languages. The most common of these is one known as PostScript. The printer contains a processor and program to interpret the commands contained in the PostScript output file. The PostScript output file is an ASCII text file that can be edited manually, if necessary. Other proprietary page description and control languages are also available, such as those in the Hewlett-Packard line of laser printers. The postscript implementation is activated by buying and installing a PostScript language chip for the printer.Another alternative. A final alternative, intermediate to these two, is a typesetting program such as TeX (see Chapter 25) that creates a file containing the typesetting commands. This file is then converted into a device-independent format that must be passed through a driver program for the particular printer.
The Presentation Tier
Published in David Austerberry, Digital Asset Management, 2012
The Adobe Acrobat reader is ubiquitous for viewing all form of documents, from word processor files to full-color brochures. The documents are converted to the portable document format (PDF), a language based on postscript.
Effect of microstructure on porosity of random fibrous networks
Published in The Journal of The Textile Institute, 2020
Emrah Sozumert, Yasar Kiyak, Emrah Demirci, Vadim V. Silberschmidt
To perform image analysis of numerically generated fibrous networks, their top-views were saved as gray-scale images in a postscript file format that the image quality was not affected by its size. Postscript files were subsequently converted to high-resolution image files (into either jpeg® or png®). A high resolution was used to capture highly detailed shapes of pores. Numerical models of fibrous networks produced in Marc Mentat® were analyzed with ImagePro®. To quantify the pore sizes and capture even small pores, images of the networks were recorded as high resolution .ps images in Marc Mentat®.