Resolution and Scanning

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Many designers already know what resolution should be used for print, but do not know why. Similarly, many know what resolution should be used for an image saved for placement on a website, but have no idea that the terminology still used is redundant because the technology has moved on—and that images will change size as a result. And then there are other kinds of resolution: We know about “dots per inch,” but what about “lines per inch”? Are these two connected, and if so, how?

Another resolution number suddenly appears when we consider either our desktop printer, or the imagesetter producing the plates for commercial printing: Suddenly we have a whole combination of numbers, each relating to some kind of ...

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