Archived posting to the Leica Users Group, 2001/07/24
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]Frank Filippone writes: > No, dots of ink are output pixels put on paper. Dots of ink are never more than small subsets of a pixel in most printing technologies. Only technologies that can overlay transparent subtractive primaries, such as processing of color reversal film, dye sublimation, and the like, actually produce one pixel per machine dot. With opaque inks, this simply is not possible. > They are somehow invented or derived by a math > algorithm. Their position and presence or absence are determined mathematically, yes. Halftone screening is a science in itself. > They are not in the set of input captured > pixels. They represent a new set of data > prepared specifically for output. No, they represent a transformation of data contained in the original pixels, not new data. No information is added to the image, in other words.