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Re: idl images and EXIF header [message #43264 is a reply to message #43257]

Mon, 28 March 2005 23:40

Bringfried Stecklum is currently offline

Bringfried Stecklum
Messages: 75
Registered: January 1996

Member

Reimar Bauer wrote:
> Dear all
>
> Does anyone have a routine which is able to read/write an EXIF header from
> to an image file created by idl?
>
> The EXIF Header is normally used by digital cameras to store some
> information in the photo image.
>
> e.g.
> a thumbnail
> creation date
> Original size of image
>
> some information could be found here http://home.cfl.rr.com/genecash
> digital_camera.html
>
> For reading I could call the python script but probably someone has done
> already some work on this issue.
>
>
> cheers
> Reimar
>
>
Hi Reimar,

the JUHAPL library offers exif_reader.pro which is, however, a bit outdated.
For instance I use

spawn,'jpegexiforient '+files[i],ori

to retrieve the information on the image orientation for proper display and

if keyword_set(exif) then spawn,'metacam '+path+files[i],exiftext

for other exposure details.

It is a bit curious that RSI does not offer routines for dealing with EXIF
headers, especially since it is owned by KODAK (they make digital cameras too,
I heard).

regards,

Bringfried

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		Re: idl images and EXIF header By: mchinand on Tue, 29 March 2005 11:52
		Re: idl images and EXIF header By: Bringfried Stecklum on Mon, 28 March 2005 23:40

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