[rollei_list] Re: Scanners
- From: "Richard Knoppow" <dickburk@xxxxxxxxxxxxx>
- To: <rollei_list@xxxxxxxxxxxxx>
- Date: Thu, 26 Nov 2009 12:16:23 -0800
----- Original Message -----
From: "Austin Franklin" <austin.franklin@xxxxxxxxxxx>
To: <rollei_list@xxxxxxxxxxxxx>
Sent: Wednesday, November 25, 2009 5:42 AM
Subject: [rollei_list] Re: Scanners
Hi Peter,
TIFF files are nice but huge and still not a RAW, but a
TIFF. Semantics I
guess.
It's not semantics. It's a concept. As Jim said, TIFF
and raw are not
mutually exclusive. TIFF is simply a file format. Raw is
the data that is
in that file format.
A TIFF file that contains raw data will not be
significantly larger than any
other raw data file. The only thing that can be changed
in a raw file that
significantly changes file size is how the data is packed.
Being a software
guy, you should understand how that would work.
Regards,
Austin
I am puzzled, I thought TIFF was compressed using
non-lossy compression so that the original data could be
recovered without change (unlike JPEG) and RAW was, as the
name implies, the data coming from the camera or scanner in
completely uncompressed form. Is this wrong?
--
Richard Knoppow
Los Angeles, CA, USA
dickburk@xxxxxxxxxxxxx
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