How to add some EXIF metadata to a tiff file?

[Ari]

Quick question, I need to add to a tiff file at least the dpi settings for the image (Xresolution, Yresolution); the Metadata Edit plugin is not allowing me to add or modify any information, any suggestion? The original JPEG had all the information but Krita lost most of it when generating the tiff. (I need to go thru Krita for this for reasons explained in another post).


Thanks!

Op donderdag 4 januari 2007 07:30, schreef Ari El:

  > Quick question, I need to add to a tiff file at least the dpi
  > settings for the image (Xresolution, Yresolution); the Metadata
  > Edit plugin is not allowing me to add or modify any information,
I sometimes use exiv2 on the commandline.

Caspar.
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[Gilles Caulier-2]

On Thursday 04 January 2007 07:45, Caspar Maessen wrote:
> Op donderdag 4 januari 2007 07:30, schreef Ari El:
>   > Quick question, I need to add to a tiff file at least the dpi
>   > settings for the image (Xresolution, Yresolution); the Metadata
>   > Edit plugin is not allowing me to add or modify any information,
>
> I sometimes use exiv2 on the commandline.

Impossible actually. TIFF in writting mode will be supported to the next Exiv2
release (normally). Andreas, the Exiv2 lead developper have implemented 2/3
of TIFF writting mode stuff...

You can try to use the ExifTool command line tool.

Gilles
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Op donderdag 4 januari 2007 08:03, schreef Gilles Caulier:

  > On Thursday 04 January 2007 07:45, Caspar Maessen wrote:
  > > Op donderdag 4 januari 2007 07:30, schreef Ari El:
  > >   > Quick question, I need to add to a tiff file at least the dpi
  > >
  > > I sometimes use exiv2 on the commandline.
  >
  > Impossible actually. TIFF in writting mode will be supported to the
You're quite right. I overlooked the fact that Ari was talking about
tiffs. Sorry.
I use exiv2 in a script which extracts jpegs from nefs (dcraw) and then
copies over the supported metadata with:
exiv2 insert -ia -S.nef /path/to/image.jpg

Caspar.
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[Ari]

For the record (and for newbies like myself :), to install ExifTool in Ubuntu Edgy, you need to install the package libimage-exiftool-perl

Then to change a Tiff's resolution (dpi) you can do:

exiftool -ResolutionUnit="inches" -XResolution=300 -YResolution=300  my_image.tiff

Gilles Caulier-2 wrote

On Thursday 04 January 2007 07:45, Caspar Maessen wrote:
> Op donderdag 4 januari 2007 07:30, schreef Ari El:
>   > Quick question, I need to add to a tiff file at least the dpi
>   > settings for the image (Xresolution, Yresolution); the Metadata
>   > Edit plugin is not allowing me to add or modify any information,
>
> I sometimes use exiv2 on the commandline.

Impossible actually. TIFF in writting mode will be supported to the next Exiv2
release (normally). Andreas, the Exiv2 lead developper have implemented 2/3
of TIFF writting mode stuff...

You can try to use the ExifTool command line tool.

Gilles
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