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External
Since: Dec 03, 2007
Posts: 6
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(Msg. 1) Posted: Mon Dec 03, 2007 2:54 pm
Post subject: Corrupted TIFFs: how to restore/repair?
Archived from groups: comp>graphics>apps>photoshop (more info?)
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Hello!
Does anybody knows how to recover (I assume) corrupted TIFF files?
It all happened when the system (W98SE, at the time) crashed, leaving
me with a folder of TIFFs which wouldn't open anymore.
Photoshop 6 and CS2 say "Could not complete your request because it is
not the right kind of document" when I attempt the Open or the
drag&drop way.
Open As gets me "Could not complete your request because the file is
not a TIFF file".
When opening the folder, ACDSee 2 Pro says "The source data format is
not recognized" and doesn't show a thumb/preview, although it reads
the size (in KBs) of the file.
Does anybody know what could have happened and how/if it is possible
to recover the files?
Thanks,
Enrico |
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External
Since: Dec 03, 2007
Posts: 3
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(Msg. 2) Posted: Mon Dec 03, 2007 2:54 pm
Post subject: Re: Corrupted TIFFs: how to restore/repair? [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
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"Lemmyfan" <lemmyfan.RemoveThis@TOGLIEREQUESTOemail.it> wrote in message
news:1k28l35satuqksolhkfhtdtc8fed81p89h@4ax.com...
> Hello!
> Does anybody knows how to recover (I assume) corrupted TIFF files?
First, please try to make a copy of the files to something other than your
hard drive. Put the copy aside.
Many of us here use Image Magick, which is open-source software. It's all
command-line but we can help. One of their routines will identify a file as
thoroughly as it can - for example, it will tell you if a TIFF is actually a
JPEG, and so-forth. It will also tell you when it cannot make out a thing.
Touch base again on that. Others may have better suggestions. (Me, sometimes
I revert to HEX Edit.) |
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External
Since: Nov 13, 2007
Posts: 17
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(Msg. 3) Posted: Mon Dec 03, 2007 7:34 pm
Post subject: Re: Corrupted TIFFs: how to restore/repair? [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
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Lemmyfan wrote:
> It all happened when the system (W98SE, at the time) crashed,
> leaving me with a folder of TIFFs which wouldn't open anymore.
You could try PC Inspector Smart Recovery (freeware). It can scan for
TIFF-files, which means that it tries to locate TIFF-like structures on
the harddisk.
You could also put one of the files online and provide a link to it.
Maybe someone will be willing to take a closer look at it and estimate
whether it can be slavaged.
--
Toke Eskildsen - http://ekot.dk/ >> Stay informed about: Corrupted TIFFs: how to restore/repair? |
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External
Since: Dec 03, 2007
Posts: 6
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(Msg. 4) Posted: Tue Dec 04, 2007 5:35 am
Post subject: Re: Corrupted TIFFs: how to restore/repair? [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
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On Mon, 3 Dec 2007 09:57:24 -0600, "jjs" <john> wrote:
>First, please try to make a copy of the files to something other than your
>hard drive. Put the copy aside.
Done.
>Many of us here use Image Magick, which is open-source software. It's all
>command-line but we can help. One of their routines will identify a file as
>thoroughly as it can - for example, it will tell you if a TIFF is actually a
>JPEG, and so-forth. It will also tell you when it cannot make out a thing.
>Touch base again on that. Others may have better suggestions. (Me, sometimes
>I revert to HEX Edit.)
I'm sure the files are TIFFs: when I started saving them with the
action, I then opened'em with Open As to make sure it was working
fine, and it did.
I'm currently using PC Inspector but it doesn-t seem to be finding any
TIFF on a DVD which is only full of'em.
More later, thanks again!
Enrico >> Stay informed about: Corrupted TIFFs: how to restore/repair? |
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External
Since: Dec 03, 2007
Posts: 6
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(Msg. 5) Posted: Tue Dec 04, 2007 5:35 am
Post subject: Re: Corrupted TIFFs: how to restore/repair? [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
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On 03 Dec 2007 19:34:10 GMT, Toke Eskildsen <darkwing RemoveThis @daimi.au.dk>
wrote:
>You could try PC Inspector Smart Recovery (freeware). It can scan for
>TIFF-files, which means that it tries to locate TIFF-like structures on
>the harddisk.
Hey, thanks!
I downloaded it and it is now working on a DVD on which I burned the
corrupted TIFFs. Looking forward to the results...
>You could also put one of the files online and provide a link to it.
>Maybe someone will be willing to take a closer look at it and estimate
>whether it can be slavaged.
One is online at www.redsectorart.com/arzach08.tif
It's a big mother, about 16MB.
Thanks again,
Enrico >> Stay informed about: Corrupted TIFFs: how to restore/repair? |
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External
Since: Nov 13, 2007
Posts: 17
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(Msg. 6) Posted: Tue Dec 04, 2007 10:17 pm
Post subject: Re: Corrupted TIFFs: how to restore/repair? [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
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Lemmyfan wrote:
> One is online at www.redsectorart.com/arzach08.tif
> It's a big mother, about 16MB.
Ugh. It does not look good. It's padded with a big chunk of $DF and
when I remove that, ImageMagick's identify gives a mile long list of
problems with the file. Looking at it with a hex editor gives some
strange content with the content broken up in pieces with seemingly
random bytes in between. It looks like a significant part of the random
bytes appears with exactly 8 correct bytes between them, but I'm afraid
that's not 100% consistent.
Without spending more than 10 minutes on it, I'd say that the TIFF-file
is broken in such a way that the content is salvageable, but that
restoration requires in-depth knowledge of the TIFF-structure and a lot
of time. All the extra randomly added bytes needs to be purged.
--
Toke Eskildsen - http://ekot.dk/ >> Stay informed about: Corrupted TIFFs: how to restore/repair? |
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External
Since: Dec 03, 2007
Posts: 6
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(Msg. 7) Posted: Wed Dec 05, 2007 12:35 am
Post subject: Re: Corrupted TIFFs: how to restore/repair? [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
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On 04 Dec 2007 22:17:25 GMT, Toke Eskildsen <darkwing RemoveThis @daimi.au.dk>
wrote:
>Ugh. It does not look good. It's padded with a big chunk of $DF and
>when I remove that, ImageMagick's identify gives a mile long list of
>problems with the file. Looking at it with a hex editor gives some
>strange content with the content broken up in pieces with seemingly
>random bytes in between. It looks like a significant part of the random
>bytes appears with exactly 8 correct bytes between them, but I'm afraid
>that's not 100% consistent.
>
>Without spending more than 10 minutes on it, I'd say that the TIFF-file
>is broken in such a way that the content is salvageable, but that
>restoration requires in-depth knowledge of the TIFF-structure and a lot
>of time. All the extra randomly added bytes needs to be purged.
Thanks heaps for taking the time to do that, Toke!
From what you say tho, it looks like I'll just have to chuck the
folder and forget about it: nothing in it that my life depends upon,
just artwork that I would've liked to archive for one of the artists I
work with, and I don't have the knowledge nor the time to get into
something like that.
Again, thanks!
Enrico >> Stay informed about: Corrupted TIFFs: how to restore/repair? |
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