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FLEXO Magazine : July 2009
DESIGN 5.6 Image Substitution – Automatic Image Replacement Using Low-Resolution Files For Automatic Image Replacement A low-to-medium resolution file may be provided to the designer for automatic image replacement. These files contain links to full-resolution files on the prepress provider’s system. It is important not to rename the file; the file name is the link back to the high-resolution image. This method allows the designer to move, crop, or resize (within limitations) the APR/OPI image as if it were the live highresolution image. It places the control of exact positioning in the hands of the designer. Resizing of low-resolution images must be employed with extreme caution. The high-resolution file will be scaled by the same factor. Enlarging the file will reduce its effective resolution significantly and reproduce an image that will not be pleasing due to loss of detail. Specific recommendations on working with images for automatic placement may vary based on the workflow of the individual designer and prepress provider. The designer and prepress provider should agree on the procedures for using automatic image replacement. 5.7 File Transfer Recommendations The receiver of any digital file should be contacted to determine the preferred transfer media. File Transfer Protocol (FTP) is a common method of file transfer, which may be available on the prepress or print providers’ web site. Removable media such as CD or DVD may also be used to transfer files. The following is a partial list of viable sources of electronic transfer of digital data: ISDN lines T-1 lines E-mail FTP PDN Disk Private network A hard copy proof must accompany every digital file, even if the hard copy proof is delivered the following day.Regardless of the file transfer method, all jobs processed should be accompanied by: A list of file names relevant to the job, Files organized by directories/folders, All high-resolution images embedded or linked in the job folder, All supporting profile files (source and destination), A hard copy reflecting all files included, and Screen and printer fonts (when applicable). 5.8 Program Applications Operating System: PC or Mac The packaging industry commonly uses the Macintosh platform for graphics production, though there are PC/Windows versions of many popular applications available.
Sustainable Spring 2009