High-Resolution File

A digital image which contains all the information needed to generate high-quality output, existing on the computer disk with its sampling rate—at least four pixels per dot of output—intact. On many color electronic publishing systems, high resolution files are created separately from viewfiles. They are versions of the image generated at the resolution of the computer monitor (which is far less than what an output device, such as an imagesetter, is capable of), which speeds image processing and manipulation. Any changes made to the low-resolution viewfile are automatically made to the high-resolution file, which then becomes the file that is ultimately output. Also called a high-res file.

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