I've read most of it but have yet to read every bit of it and know I'll
need to re-read it at least once. However, there are two things you can
do easily with one being sort of obvious and the other being derived
from my reading of the book.
1) If you're sharpening for the display then just sharpen to what looks
good to you at the actual size you intend to display.
2) (and this is my very rough cut summation from the book) If you're
sharpening for a print then first, pre-size the image to the resolution
you'll use for the print (say, 240-300 ppi) then display the image in
your editor at roughly 25-30% and then sharpen until the screen image at
25-30% looks just slightly "crunchy" or a bit over-sharpened. The point
of displaying at 25-30% is to account for the significant differences in
resolution between screen and print (say 75ppi vs 300dpi or 1:4). Then
sharpening the screen image until it's very slightly over-sharpened is
to account for the softening effect that will come about from laying
dots on paper.
This is the simplistic rule I now use for sharpening and it seems to
work pretty well. But YMMV.
Chuck Norcutt
Jim Couch at home wrote:
> Actually, I have been reading. I also do understand that final
> sharpening is done for final display setting. It is the actual practice
> and execution that I need work on. I have to admit that the thought of
> reading an entire book on sharpening is a bit daunting!
>
> Jim Couch
>
> Moose wrote:
>> Jim Couch at home wrote:
>>
>>> Moose,
>>>
>>> Thanks for the comments. I actually have a cropped version of the
>>> Rainier photo and debated about posting it instead. I may post that one
>>> as well for folks to compare. I am still really working on the
>>> sharpening thing, I will try bumping it up a bit.
>>>
>>>
>> Tsk, tsk! Haven't you been reading that Moose Monday fellow? He's
>> reviewed a book on sharpening and separately written about how
>> sharpening works and down sampling and sharpening for web display
>> <http://zone-10.com/cmsm/index.php?option=com_content&task=view&id=149&Itemid=1>.
>>
>>
>>
>> So remember, final sharpening is done at, and with settings for, final
>> display size.
>>
>> Moose
>>
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