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Library: Creative Design

 

Keep dot gain under control to prevent block up images (Photoshop 7/CS/CS2)

Added on Sunday 4th of January 2009 09:23 am EST

 

All halftone images are printed as dot patterns. When the ink dots hit the paper, they actually spread out, as illustrated in FIGURE A. This phenomenon is called dot gain.It has the tendency to darken images, especially in the midtone and shadow areas because these areas receive the heaviest ink coverage. If you're specifying too much ink coverage,you'll definitely se...