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Dots per inch. A close-up of the dots produced by an inkjet printer at draft quality. Actual size is approximately 1⁄4 by 1⁄4 inch (6 by 6 mm). Individual coloured droplets of ink are visible; this sample is about 150 DPI. Dots per inch ( DPI, or dpi [1]) is a measure of spatial printing, video or image scanner dot density, in particular ...
Lines per inch ( LPI) is a measurement of printing resolution. A line consists of halftones that is built up by physical ink dots made by the printer device to create different tones. Specifically LPI is a measure of how close together the lines in a halftone grid are. The quality of printer device or screen determines how high the LPI will be.
Dot matrix printing. Dot matrix printing, [1] sometimes called impact matrix printing, is a computer printing process in which ink is applied to a surface using a relatively low-resolution dot matrix for layout. Dot matrix printers are a type of impact printer that prints using a fixed number of pins or wires [2] [3] and typically use a print ...
Computer to plate. Computer-to-plate ( CTP) is an imaging technology used in modern printing processes. In this technology, an image created in a desktop publishing (DTP) application is output directly to a printing plate . This compares with the older technology, computer-to-film (CTF), where the computer file is output onto a photographic film.
This chart shows the most common display resolutions, with the color of each resolution type indicating the display ratio (e.g. red indicates a 4:3 ratio). For a more in depth discussion of resolutions, see Display resolution standards .
Near letter-quality ( NLQ) printing is a process where dot matrix printers produce high-quality text by using multiple passes to produce higher dot density. [1] The tradeoff for the improved print quality is reduced printing speed. Software can also be used to produce this effect. [2] [3] The term was coined in the 1980s to distinguish NLQ ...
Scanners and cameras. "PPI" or "pixel density" may also describe image scanner resolution. In this context, PPI is synonymous with samples per inch. In digital photography, pixel density is the number of pixels divided by the area of the sensor. A typical DSLR, circa 2013, has 1–6.2 MP/cm 2; a typical compact has 20–70 MP/cm 2 .
Inventor. Creative Tools. The 3DBenchy is a 3D computer model specifically designed for testing the accuracy and capabilities of 3D printers. [1] The 3DBenchy is described by its creator, Creative Tools, as "the jolly 3D printing torture-test " and was released (initially only in STL format) in April 2015, with a multi-part, multi-color model ...