I think only for previewing at specific physical dimensions. If you
know the actual dot pitch of your display you can size and preview the
image at specific physical dimensions. But, if you want the best
representation of how the image will appear in a print you should view
on-screen at about 25-30% of the image size after it has been resized
for print. More specifically, it should be viewed at or near the
percentage derived from the pitch of your display divided by the planned
print resolution. eg; if your screen displays 90 ppi and you print at
300 dpi, first resize the image to 300 ppi and then display on screen at
90/300 = 30%. When sharpening use this same ratio for display and then
sharpen until the screen image looks slightly crunchy. When the print
is made the ink will spread out and slightly soften the image and
compensate for the slight crunchiness on-screen.
Chuck Norcutt
Andrew Fildes wrote:
> Was it something to do with screen display problems like moire effects?
> Or file size?
> Andrew Fildes
> afildes@xxxxxxxxxxxxx
>
>
>
> On 19/02/2009, at 5:51 PM, Chris Barker wrote:
>
>> If it's for web display, Jim, the dpi is immaterial. The size is the
>> size, you see; the concentration of dots is useful only when you plan
>> to print.
>
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