Am Screening - 150 Lpi Elliptical Halftone Dot

[click "Play" to persuasion animation - may accept a minute to buffer]
Note that the dots are non precisely the same at each percentage. In part, this is to avoid unmarried channel moiré. Also regime notation that inward the really calorie-free tones (as good every bit inward the darkest tones) every bit you lot piece of job past times away through the tones, sometimes at that spot are dots i pixel is size alongside gaps betwixt them which are together with then fill upward alongside to a greater extent than i pixel sized dots. Then piece of cake unopen to of the unmarried pixel dots piece of job past times away ii pixel dots mixed inward alongside the unmarried pixel ones. This is because a RIP volition merely picture amount private pixels to shape a halftone dot. So, inward the instance of a 2,540 dpi device, each pixel is 10 microns inward size (10.6 microns for a 2,400 dpi device). Therefore, if, for example, the the point diameter needs to survive fifteen microns inward size, since the RIP cannot picture a one-half a pixel to accomplish fifteen microns, instead the RIP volition alternate betwixt 1 pixel dots (10 micron) together with 2 pixel dots (20 micron) which results inward an effective fifteen micron point average for that note value.

The elliptical point shape attempts to avoid the "optical bump" at 50% seen alongside traditional Euclidean (round/square/round) dots past times splitting the indicate at which dots kickoff impact to 40% together with 60% rather than exclusively at 50%. While it's normally used, it is non an optimal point shape inward a CtP environment, due to the fact that private point shapes are unlike at each hide angle together with that they are directional inward nature. When used at depression frequencies (

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