Chapter 14 of Professional Photoshop - "Resolving the Resolution Issue":
printed dots per inch consist of grids of spots per dot - of differing picoliter sizes depending on the printer. Apples and oranges? Maris ----- Original Message ----- From: "Rob Geraghty" <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Friday, October 26, 2001 8:17 PM Subject: Re: filmscanners: RE: filmscanners: Pixels per inch vs DPI | "SKID Photography" <[EMAIL PROTECTED]> wrote: | > Are you saying that because inkjet printers employ a schoastic dithering | pattern to represent pixels that film | > grain and scan pixels (samples, whatever) are equivalent in regards to the | amount of information they impart | > to an inkjet printer? | | I think Art was saying that the relationship between pixels in the file and | dots on the page isn't clear cut because the dither pattern used by the | printer driver is random and therefore undoes some of the regularity of the | pixels. The print ends up looking smoother than say a monitor image because | the printer shadings aren't constructed as rectilinear sharp edged objects | but random spots of colour. | | Rob | | |
