![]() ![]() Why is it Important to Know the DPI Resolution of a Document? For instance, a 300 dpi PDF is a document that contains raster information sized to 300 PPI at the defined output dimensions. With particular reference to PDF, it refers to the measurement of the resolution of a computer display, correlated to the size of the display in inches and the total number of pixels in the horizontal and vertical directions. This measure could be described in terms of an image or a video scanner dot concentration and spatial printing. In general, DPI is considered a measure of the number of dots, which can be aligned on a line under a one-inch span. While PPI (Pixels Per Inch) or pixel density is synonymous with samples per inch. Specifically, DPI (Dots Per Inch), is that measurement more refers to the resolution of a computer printer.
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