Digital BW, The Print

Austin,

Doesn't the fact that Epson state that their drivers work internally at 360
ppi for large-format and 720 ppi for desktop, suggest that this IS the way
that the Epson drivers work?

Bob Frost.

----- Original Message -----
From: "Austin Franklin" <darkroom@...>


> Hi Tony,
>
> > What I am saying is that prior to the driver doing its own
> > conversion from pixels to dots it may first do its own conversion to
> > resample the image to a fixed pixel resolution.
>
> It COULD work that way...but there is no reason it has to.
>
> > Let's say the code routine in the driver which perfroms the pixels->dots
> > conversion has been written so that it can only accept an input
resolution
> > of 360ppi. There will be a routine in the driver which would then first
> > check to see whether the image resolution passed to it by the imaging
> > application/print spooler is at the correct resolution to be passed to
the
> > pixels->dots function, and if not, it will do this resampling.
>
> Understood, but again, that's an assumption that it works that way.
>
> > Note there
> > are two separate things happening here in the print driver:
>
> In this hypothetical print driver, yes.