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Subject:Re: RE: tifs at 240 dpi worth redoing? From:Robert Lauriston <robert -at- lauriston -dot- com> To:techwr-l -at- lists -dot- techwr-l -dot- com Date:Tue, 10 Nov 2009 10:11:28 -0800
My point is that in practice this stuff is not nearly as complicated as the
theoretical discussions can make it seem.
Unless you downscale, a pixel in the camera is a pixel on your screen is a
dot on your printer.
The typical digital image has far more pixels than you can fit on the
average page at output resolutions typical for tech-writer deliverables, so
you probably need to crop and downscale.
To maximize image quality, you want to downscale by a whole-number ratio
(e.g. 2:1 / 50% = one output pixel for every 2x2 pixel grid in the
original).
On Tue, Nov 10, 2009 at 9:48 AM, Boudreaux, Madelyn (GE Healthcare,
consultant) <MadelynBoudreaux -at- ge -dot- com> wrote:
> Robert Lauriston informed me, as he does:
> >Pixels per inch is no more meaningful than dpi.
>
> Digital cameras use pixels. They do not use "dots" which is what the D
> in DPI refers to....
>
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