The prepress guideline presented at the 2000 GCIC conference was Quad/Graphics, which used the TIFF/IT data to image the cylinder and the DCS file to produce the offset plate. These file formats are used because the cylinder engraving machine is an output device of the Contone (CT-Continuous Tune) format, and the digital tablet printer is an output device of a postscript format. Printing companies often receive documents in various file formats. During the digital revolution, they realized that researching a file format that is suitable for their own output devices and that is simple and stable is the best solution to this phenomenon.
The file format is divided into two major types - vector data and raster data. Vector files are object-based files. In these files, the objects are built by lines without the characteristics of the dots. Vector files have to be decomposed into parts, resulting in unpredictable output results due to different ways of decomposition. The currently popular vector file types are: QuarkXpress, InDesign, Pagemaker, Illustrator, Freehand, Photoshop, Word, Corel Draw, Postscript, and PDF. Vector data is software created by a local page and needs to be interpreted by a Raster Image Processor (RIP). This type of file requires some kind of conversion to ensure stable imaging. We consider this file type to be a file type that is not suitable for making rollers or plates.
Raster files are based on pixels. Since all fonts and images have been converted to pixels, these files are composed of dots. Because of this, raster files are very stable, predictable, and not easily changeable. WYSIWYG. This type of raster file is mainly: DCS Raster, DCS2, DCS Bitmap, FLYT LW CT (Final layout (final layout), line work (continuous linear), continuous tone), CT/LW (Color Electronic PrePress System, namely CEPS-color electronic prepress system and TIFF/IT (Tagged information file format / Image technology, standard for CT&LW exchange). These file types are particularly suitable for use in the production of engravings or photographic prints, provided there is a correct proof.
So where exactly is the PDF file format? PDF (Portable Document Format) is a vector based Postscript file format and therefore must be broken down into several parts. During the decomposition process, the already-prepared Postscript instructions are compiled and a list of objects is created. The list of objects very strictly reflects the image data, fonts, colors, and continuous tone images that have been converted into raster data (pixels). Using these raster data, the output device can project the data for engraving cylinders and plate making.
PDF is a vector-based file and must be decomposed; therefore, it has some disadvantages. However, the PDF file format also has a lot of convenience: PDF can make the job tag contain more information about the job content.
PDF can: Track documents; Make annotations; Add ICC profiles; Pass through databases; Cross-platform delivery; Open and edit from a variety of different applications; and a very small archive.
PDF is a two-end database - the working tag end and the target data end. Raster files can be packaged as a PDF file. Raster PDF files maintain CT/LW content and color, and are more stable. If the PDF file is not a raster file, it cannot be used for engraving or lithography. It must be decomposed, proofed, and signed.
The file format is divided into two major types - vector data and raster data. Vector files are object-based files. In these files, the objects are built by lines without the characteristics of the dots. Vector files have to be decomposed into parts, resulting in unpredictable output results due to different ways of decomposition. The currently popular vector file types are: QuarkXpress, InDesign, Pagemaker, Illustrator, Freehand, Photoshop, Word, Corel Draw, Postscript, and PDF. Vector data is software created by a local page and needs to be interpreted by a Raster Image Processor (RIP). This type of file requires some kind of conversion to ensure stable imaging. We consider this file type to be a file type that is not suitable for making rollers or plates.
Raster files are based on pixels. Since all fonts and images have been converted to pixels, these files are composed of dots. Because of this, raster files are very stable, predictable, and not easily changeable. WYSIWYG. This type of raster file is mainly: DCS Raster, DCS2, DCS Bitmap, FLYT LW CT (Final layout (final layout), line work (continuous linear), continuous tone), CT/LW (Color Electronic PrePress System, namely CEPS-color electronic prepress system and TIFF/IT (Tagged information file format / Image technology, standard for CT&LW exchange). These file types are particularly suitable for use in the production of engravings or photographic prints, provided there is a correct proof.
So where exactly is the PDF file format? PDF (Portable Document Format) is a vector based Postscript file format and therefore must be broken down into several parts. During the decomposition process, the already-prepared Postscript instructions are compiled and a list of objects is created. The list of objects very strictly reflects the image data, fonts, colors, and continuous tone images that have been converted into raster data (pixels). Using these raster data, the output device can project the data for engraving cylinders and plate making.
PDF is a vector-based file and must be decomposed; therefore, it has some disadvantages. However, the PDF file format also has a lot of convenience: PDF can make the job tag contain more information about the job content.
PDF can: Track documents; Make annotations; Add ICC profiles; Pass through databases; Cross-platform delivery; Open and edit from a variety of different applications; and a very small archive.
PDF is a two-end database - the working tag end and the target data end. Raster files can be packaged as a PDF file. Raster PDF files maintain CT/LW content and color, and are more stable. If the PDF file is not a raster file, it cannot be used for engraving or lithography. It must be decomposed, proofed, and signed.
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