Halftone Technique

 

Halftone

Halftone(by Wikipédia) is the reprographic technique that simulates continuous tone imagery through the use of dots, varying either in size, in shape or in spacing.[1]"Halftone" can also be used to refer specifically to the image that is produced by this process.[1]

Where continuous tone imagery contains an infinite range of colors or greys, the halftone process reduces visual reproductions to a binary image that is printed with only one color of ink. This binary reproduction relies on a basic optical illusion—that these tiny halftone dots are blended into smooth tones by the human eye. At a microscopic level, developed black and white photographic film also consists of only two colors, and not an infinite range of continuous tones. For details, see film grain.

Just as color photography evolved with the addition of filters and film layers, color printing is made possible by repeating the halftone process for eachsubtractive color—most commonly using what is called the "CMYK color model". The semi-opaque property of ink allows halftone dots of different colors to create another optical effec

 

Using this technique we developed the HALFTONE CNC software, for use on milling machines and CNC router, the image is converted into points, to engraver from GCode.



 
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