Real World Print Production with Adobe Creative Suite Applications

Image Resolution

The rules for image resolution are the same as for image size, because the concepts are intertwined. Start with as much image information as you can. You can always discard information, but you can’t convincingly create it out of nothing. Once you’ve determined the correct final dimensions for your image, scan the artwork or transparency to those dimensions at the appropriate resolution. What’s the appropriate resolution? Generally speaking, 300 ppi at final size is sufficient for printing at 133–150 line screen (see Chapter Four, “Preparing Raster Images,” for a discussion of resolution, and Chapter Two, “Ink on Paper,” for information about line screen). If your project will be printed at a very high line screen (175 lpi or ...