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Re: [LUG] Photo management- JPEG attributes

 

On 2007-07-23T16:57+0100 Simon Williams wrote:
> 1. The collection has been taken by about 7 different cameras at various 
> times. Since the actual file creation and modification times are going 
> to be wrong (due to copying them around), I need to get at the JPEG time 
> stamp (I am seriously hoping everyone had their clocks set right). I 
> cannot find any command line programs which will give me the JPEG 
> attributes- anyone know of any?

jhead -ft sets the file time to exif time. I've found this trick useful.

> 2. Several of the cameras know which way up they are when they take the 
> photo. It seems that they save this as a JPEG attribute and leave the 
> picture alone. The konqueror photo viewer and gwenview read this and 
> display the photo the right way up, but firefox and other programs do 
> not. Using the rotate tools in the konqueror photo manager I can rotate 
> 90 degrees in one direction and then rotate back and the image itself is 
> rotated and the problem is solved, but to do that for several hundred 
> photos manually is silly (this will hopefully be solved at the same time 
> as 1).

try jhead's -autorot

apt-cache search exif and there might be some other stuff to try in
Debian.

Good luck,

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