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Ultimate System for Avoiding Bad Resolution

A major dilemma in laying out pictures—when you scan images, you don't know how big or small you'll use them in the layout. If you enlarge them in Quark, they can be ruined and with reducing, there can also be problems. Try this three-pass system. Scan all pictures at 100% at 72dpi—the low-res is faster with this method and the 100% scale makes the math easier! Import them into Quark, and scale each one to fit the layout. On a hard copy, record the percent of enlargement or reduction, reading the X% and Y% in the Measurements palette for the selected box. For enlarged pictures, rescan them at the percents used in the layout, at 225ppi or higher. Re-import them into the same boxes, no additional scaling. If pictures are digital to start, try sizing them up or down in Photoshop with resampling off. You can gain resolution by sizing down or, if you have 300ppi, you can increase the dimensions, but don't go below 225ppi resolution (for 150lpi output, that's usually fine). For pictures you've sized smaller, rescanning isn't necessary if you've used hi-res images to start. However, if you have multiple hi-res images sized down, printing can really slow down.

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