Archived posting to the Leica Users Group, 2007/01/22

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Subject: [Leica] Drowning in digital files
From: firkin at ncable.net.au (Alastair Firkin)
Date: Mon Jan 22 18:58:26 2007
References: <5.1.0.14.2.20070121191635.00bc57b0@mail.2alpha.com> <45B559BE.4060901@san.rr.com>

This is really a danger, and one reason I have not tried to digital  
print anything: I prefer the "hobby" of the darkroom, BUT I also  
admit to its great weaknesses

On 23/01/2007, at 11:41, Jerry Lehrer wrote:

> Peter Klein wrote:
>> I'm a bit of a squirrel.  I rarely throw anything away unless  
>> forced to.  Then once in a while, reluctantly, I do a big  
>> cleanup.  As with life, so with computers.  I have files on my  
>> computer that date back to 1983, the year I started working with  
>> PCs, plus some converted CP/M files from even earlier(!)  This has  
>> not been much of a problem--most of it has been text, and the size  
>> of the hard drive on the new computer I buy is always bigger than  
>> the old one.  So I never hit the ceiling.
>>
>> Until now.  Enter digital photography, where one TIFF is the size  
>> of my entire hard drive 10 years ago!!  A 16-bit TIFF of a scanned  
>> frame of color film is about 125 megs.  An E-1 RAW file is 10  
>> megs, and a 16-bit work TIFF is 28 megs.  B&W films scans are 40  
>> megs.  It adds up.
>>
>> My hard drive is nearly filled with RAW files, scanned TIFFs and  
>> intermediate work TIFFs.  I was embarking on a ruthless rampage  
>> through the directories, meaning to get rid of lots of digital  
>> flotsam and jetsam. Then I found a keeper RAW file I hadn't  
>> noticed before (see "Found on my hard drive").  And this gave me  
>> pause.
>>
>> Problem is, I end up with a lot of unneeded junk on my drive, but  
>> it's hard to decide what's needed and what's not.   I'd be  
>> interested in how other LUGgers cope with this--what do you keep?  
>> What do you throw away? How do you decide?
>>
>> My inclination is to keep:
>>
>> 1. RAW file or the original scan.
>> 2. Final version, unsharpened (8-bit TIFF, PNG, or high-quality JPG)
>> 3. Reduced JPG for Web.
>>
>> But with film, sometimes it seems to make more sense to keep the  
>> spotted version of the original, or even the 8-bit version after  
>> the curves are right.  It depends on the image.  Sometimes I save  
>> several version, decide on one, then come back and use another  
>> curve or cropping later.  Or I don't spot until I decide the image  
>> is worth working furthre.  That's where it gets confusing.
>>
>> Add to that, what format do you keep your final files in?  I used  
>> to think TIFF was the only way to go, but I'm now wondering if PNG  
>> might be better (lossless compression, often 30% smaller than an 8- 
>> bit TIFF).  And I've read that some people keep a very high- 
>> quality JPG--and I must say, with my E-1 DSLR photos, I usually  
>> don't notice a difference between TIFF and such a JPG.
>>
>> I'm also wondering whether it's worth it to go through years of  
>> files and delete intermediate files, or just buy a bigger disk and  
>> try to streamline my future workflow to leave fewer files in the  
>> first place.  Or buy a DVD burner--but I'm concerned about the  
>> longevity of any home-burned optical media.  A big hard drive or  
>> two, plus a matching external for backup seems better.
>>
>> Note that I use Picture Window Pro, not Photoshop, so I end up  
>> saving several different files at various stages of editing,  
>> rather than having layers in one humongous file.  Then again, I  
>> don't need a gamer's PC with 2 gigs of RAM just to get by.
>>
>> --Peter
>>
>>
> Peter,
>
> Your saga of computer photography has only discouraged me from  
> going digital!  I work at a computer for eight hours or more each  
> day in the field of
> aerospace engineering.  Now the thought of working at a computer  
> for FUN has turned me off. It is not fun; tedium.
>
> Jrrry Lehrer
>
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In reply to: Message from pklein at 2alpha.net (Peter Klein) ([Leica] Drowning in digital files)
Message from glehrer at san.rr.com (Jerry Lehrer) ([Leica] Drowning in digital files)