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    In color printing, a very small circle of halftone dots, formed when three or more process color screens are overprinted at the correct screen angles with the proper dot sizes. A rosette pattern is a moiré pattern whose high frequency reduces its visibility. Typically the rosette is formed by only the Cyan, Magenta, and Black halftone screens. There are two types of rosette: dot-centered and clear-centered. When halftone screens are rotated to their standard angles they form a dot-centered rosette. Through practical experience a dot-centered rosette has been determined not to be the optimum for printing. The most common type of rosette is clear-centered. It is formed by shifting the black screen one-half a row of dots from the Magenta, Cyan, and Yellow screens.

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