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Forums Lobby MASTER YOUR TOOLS - Hardware & Software Digital postprocessing & workflow (Open) topic #3108
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Subject: "Zipping TIFF files for storage -good or bad idea?" Previous topic | Next topic
Marry Poppins Registered since 22nd Oct 2002Fri 07-Nov-03 01:53 PM
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"Zipping TIFF files for storage -good or bad idea?"



          

Hello guys!

Is it acceptable/advisable to Zip (or Rar) TIFF files in order to store them?

Do you lose any of the file information by doing that?

Do you degrade the file by Zipping, storing and then Unzipping it?

I hate to be able to store only 5 125MB TIFFs on one CD-R 700MB.

I would love to hear how you guys store your TIFFs. What media do you use?

Thank you.

Poppins




  
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Replies to this topic
Subject Author Message Date ID
Reply message RE: Zipping TIFF files for storage -good or bad idea?
mgsylvestre
07th Nov 2003
1
Reply message RE: Zipping TIFF files for storage -good or bad idea?
vfnewman Administrator
07th Nov 2003
2
Reply message RE: Zipping TIFF files for storage -good or bad idea?
Marry Poppins
07th Nov 2003
3
     Reply message RE: Zipping TIFF files for storage -good or bad idea?
vfnewman Administrator
07th Nov 2003
4
          Reply message RE: Zipping TIFF files for storage -good or bad idea?
Marry Poppins
09th Nov 2003
5
               Reply message RE: Zipping TIFF files for storage -good or bad idea?
mgsylvestre
10th Nov 2003
6
                    Reply message RE: Zipping TIFF files for storage -good or bad idea?
Marry Poppins
10th Nov 2003
7
                         Reply message RE: Zipping TIFF files for storage -good or bad idea?
vfnewman Administrator
10th Nov 2003
8
                              Reply message RE: Zipping TIFF files for storage -good or bad idea?
Marry Poppins
10th Nov 2003
9
                                   Reply message RE: Zipping TIFF files for storage -good or bad idea?
mgsylvestre
11th Nov 2003
10

mgsylvestre Registered since 28th Jan 2003Fri 07-Nov-03 02:59 PM
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#1. "RE: Zipping TIFF files for storage -good or bad idea?"
In response to Reply # 0

Ville de Mont-Royal, CA
          

There is no degradation (zip compression is not lossy, contrary to jpeg for example), but older software cannot open the files. Opening large files is also noticeably slower. I use it for very large scanned files which I store on DVD+R since the space gain is significant.

Regards,

Michel G. Sylvestre
Nikonian from Montréal, Canada

Visit my Nikonians gallery.

  
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vfnewman Administrator Awarded for his multiple contributions to Resources Charter MemberFri 07-Nov-03 05:47 PM
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#2. "RE: Zipping TIFF files for storage -good or bad idea?"
In response to Reply # 0

Forest, US
          

Have you given thought to uzing LZW compression in your files? Most file viewers and editors can open it, it's lossless, and it saves you the extra step of zipping/unzipping.

Victor Newman

My Nikonians Gallery

www.nikonians.org - Worldwide Home for Nikon Photographers

  
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Marry Poppins Registered since 22nd Oct 2002Fri 07-Nov-03 07:19 PM
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#3. "RE: Zipping TIFF files for storage -good or bad idea?"
In response to Reply # 2


          

Hello Victor,

Where can I find this LZW compression program?

Poppins

  
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vfnewman Administrator Awarded for his multiple contributions to Resources Charter MemberFri 07-Nov-03 07:43 PM
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#4. "RE: Zipping TIFF files for storage -good or bad idea?"
In response to Reply # 3

Forest, US
          

I'm not aware of any way to get it as a "free-standing" program, but most image-handling software has it as an option. If you use Photoshop, it's presented as an option when you save a tiff file.

Victor Newman

My Nikonians Gallery

www.nikonians.org - Worldwide Home for Nikon Photographers

  
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Marry Poppins Registered since 22nd Oct 2002Sun 09-Nov-03 01:47 AM
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#5. "RE: Zipping TIFF files for storage -good or bad idea?"
In response to Reply # 4


          

Thank you Victor.

  
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mgsylvestre Registered since 28th Jan 2003Mon 10-Nov-03 02:55 PM
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#6. "RE: Zipping TIFF files for storage -good or bad idea?"
In response to Reply # 5

Ville de Mont-Royal, CA
          

Be careful with LZW. In some instances, it will make your files larger. It is implemented in Photoshop and shows as an option when you save tiff files.

Regards,

Michel G. Sylvestre
Nikonian from Montréal, Canada

Visit my Nikonians gallery.

  
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Marry Poppins Registered since 22nd Oct 2002Mon 10-Nov-03 03:52 PM
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#7. "RE: Zipping TIFF files for storage -good or bad idea?"
In response to Reply # 6


          

I might avoid this LZW compression alltogather.

Thank you for the warning though.

Poppins

  
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vfnewman Administrator Awarded for his multiple contributions to Resources Charter MemberMon 10-Nov-03 05:29 PM
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#8. "RE: Zipping TIFF files for storage -good or bad idea?"
In response to Reply # 7

Forest, US
          

Give it a try. There was a know isuue in an older version of Photoshop (I think 6) that caused a lot of problems, including bloating the file size. There might have been a patch for it, but it's fixed in v7 and presumably "8".

VFN

My Nikonians Gallery

www.nikonians.org - Worldwide Home for Nikon Photographers

  
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Marry Poppins Registered since 22nd Oct 2002Mon 10-Nov-03 10:41 PM
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#9. "RE: Zipping TIFF files for storage -good or bad idea?"
In response to Reply # 8


          

OK,

You convinced me.

  
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mgsylvestre Registered since 28th Jan 2003Tue 11-Nov-03 03:16 PM
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#10. "RE: Zipping TIFF files for storage -good or bad idea?"
In response to Reply # 9

Ville de Mont-Royal, CA
          

I had the bloating problem with LZW in Photoshop 7.0.1.

Regards,

Michel G. Sylvestre
Nikonian from Montréal, Canada

Visit my Nikonians gallery.

  
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