On: Tue, 6 Jan 2004 Tim Mimpriss wrote:- > There is a question to which I have not seen an answer, but is perhaps > relevant to this discussion. What is the actual image resolution of an Epson > printer? With a 300 dpi dye diffusion printer you know that you have 300 > contone pixels per inch, but what is the equivalent figure for an Epson 720 > x 1440 dpi Epson printer? You need to build up individual CMYK densities to > give the illusion of continuous tone colour, so even with variable size > droplets you need to place several droplets side by side to build up one > 'pixel'. Is this performed on a fixed grid, as with halftone screening, or > do we get variable sized 'pixels' calculated on the fly? Is there a simple > relationship between the nominal dpi resolution of the printer, and the > resolution of detail in the colour image that we can print with it?
180 squirtsworth per inch. > I am also intrigued by the suggestion that the driver merely dumps excess > resolution. Is this certain, or does the driver actually recompute the data > to give a best fit to the selected picture dimensions? The printer recieves packets of information and recalculates on the fly. William Curwen =============================================================== GO TO http://www.prodig.org for ~ GUIDELINES ~ un/SUBSCRIBING ~ ITEMS for SALE
