It was 1/1/04 2:48 pm, when Cavendish Studios wrote:
> I use the D1X and D100 and have found that I get outstanding images
> interpolated up to 30 x 24 and larger. The Bicubic interpolation in PS 7 is
> fantastic and the Bicubic Smoothing in CS even better.
>
> Admittedly, I output to a large format inkjet printer but it is at 360 dpi
> and, of course, in CMYK.
Jonathan
My understanding re inkjets is you can output at 1/3rd the printer
resolution. So, if printing at 720, you can comfortably come down to 240.
When halftoning images, necessary for some offset printing (not sure if
direct to plate requires halftoning), the RIP can also do a great job of
upsizing by something like 3-5 percent (possibly higher but I haven't done
any tests).
The 2 x LPI magic figure (300dpi) can also drop down to 1.3 or 1.5 x the
LPI. It's usually prudent to calculate sizes at 300dpi because that gives
the designer legroom if they wish to print it at 1.5 x the LPI, they can
then just drop the dpi and not interpolate in Photoshop or other upsizing
applications (and also use the RIP to interpolate).
Photoshop CS's resizing algorithms are much improved over Photoshop 7's. Try
them before buying other software. For those who haven't yet upgraded, a
demo is now available from the Adobe site.
Best Wishes for the New Year.
--/ Shangara Singh.
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:: Photoshop Glossary of Terms, Phrases & Acronyms
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