I second this. Don't get in the habit of keeping layered Tiffs around
beyond the image processing / pre press stage.
Jeff Evans
Digital Imaging Specialist
Princeton University Art Museum
609.258.8579
On Oct 13, 2004, at 11:56 AM, Roger Howard wrote:
The bigger the file size (70MB - 250MB is not uncommon) the better. In
other words, the bigger the file the more information on the object is
captured. Also, focus on one master format, i.e. TIFF is a very common
format in this regard (do not compress the files) and if you apply
color
corrections on surrogates of the original scan, place the adjustments
on
layers (yes, TIFF now supports layers), rather than flattening the
image
to save file space.
Tom,
I would recommend against this; I assume you're referring to the
layered TIFF that Photoshop (since v7) will output? These are
virtually (if not completely) unsupported outside of Photoshop in some
forms - they do keep a flattened version of the entire document for
apps that don't support layers, but then you lose the main benefit
(the layers)... but in my experience, the main benefit of layered TIFF
from PSD is for using ZIP compression, which can really reduce the
size of a complex layered document, and ZIP compression is also not
well supported.
In general, I wouldn't recommend keeping these as your masters, but
they can be handy. PSD may be significantly larger for an equivalent
layered file, but it's also much better supported, and understood -
many folks still don't get that TIFF allows much more than a simple
flat image.
- R
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