![]() ![]() If I want to print a 12″ x 12″ document at 300 dpi and have it look good, then my source file needs to have at least 3600 dots x 3600 dots of information (if not higher) and the printer needs to be capable of laying down 300 dots of ink per inch.Ĭommon print resolutions are 150 dpi, 300 dpi, 1200 dpi, and any multiple of 144 dpi.įor the web, resolution is expressed as pixels per inch. In the print world, resolution is expressed as dots per inch or points per inch – this is a physical ratio tied to the printer’s capabilities, the dimensions of the print, and the level of detail in the source file. Simply put, resolution is the amount of information/detail packed into a given unit of measurement. I’ve always understood the concept of image resolution, and I’ll bet you do too. I work on projects for print and for web. First, I didn’t understand how Illustrator defines the abstract pixel and its relationship to physical measurements like the inch.
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