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Showing posts with the label Screen Angles

Choosing The Correct Enshroud Angle For Over-Printing Topographic Point Colors

To make upwards one's remove heed which enshroud angle to role when a screened PMS/spot color overprints a 4/C procedure ikon y'all volition postulate to expect carefully at the ikon that y'all volition last overprinting. The basic dominion is to role the enshroud angle of the to the lowest degree prominent (or missing) screened procedure color that volition last underneath the screened spot color. For example, if there's no screened dark nether the spot color - role the Black angle, if there's no Cyan role the Cyan angle, etc. Try to avoid using the Yellow enshroud angle because inward touchstone enshroud angle sets yellowish is solely xv degrees away from C or M. As a lawsuit moiré is e'er at that topographic point only it is normally non visible because the yellowish is therefore pale. The moiré tin instruct visible however, if the yellowish becomes contaminated - or if it is used for a nighttime spot color. For example, inward the graphic below, the...

Moiré

A moiré blueprint is an artifact that occurs inwards the impress reproduction procedure when whatsoever two, or more, repeating patterns overlap each other. Moiré inwards the impress reproduction procedure is similar to the distortion termination on television set when a presenter's wearable includes a striped or crisscross blueprint equally inwards the gentleman's shirt inwards the brusk video below from the WhatTheyThink.com website: Click icon to play It that case, the presenter's stripe patterned shirt is "harmonically beating" i.e. has a similar frequency in addition to angle to the video camera's sensor and/or the pixels on the computer's display. This results inwards the appearance of a secondary blueprint or "moiré." The nearly mutual types of moiré encountered inwards the impress production process. Scanning/sampling moiré These artifacts are caused past times the frequency/angle of the scanner sensor (flat bed in addition to dru...