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2006.09.22 13:52 "Handling of EXIF IFD in Libtiff", by Anurag Singh
2006.09.22 15:20 "Re: Handling of EXIF IFD in Libtiff", by Joris Van Damme
2006.09.23 07:39 "Re: Handling of EXIF IFD in Libtiff", by Anurag Singh
2006.09.23 13:39 "Re: Handling of EXIF IFD in Libtiff", by Joris Van Damme
2006.09.25 14:22 "Re: Handling of EXIF IFD in Libtiff", by Phil Harvey
2006.09.25 16:15 "Re: Handling of EXIF IFD in Libtiff", by Joris Van Damme
2006.09.25 16:58 "Re: Handling of EXIF IFD in Libtiff", by Phil Harvey
2006.09.25 17:27 "Re: Handling of EXIF IFD in Libtiff", by Joris Van Damme
2006.09.26 05:46 "Re: Handling of EXIF IFD in Libtiff", by Anurag Singh

2006.09.26 05:46 "Re: Handling of EXIF IFD in Libtiff", by Anurag Singh

> > i mean to say is there any other EXIF tag which have offset and on that
> > offset may be some data, just like image data.
>
> I don't know if this is what you mean, but the ExifIFD contains the
> InteropIFD and the maker notes, both of which may contain pointers to
> information that must be handled properly when rewriting the image.


thanx  to all for the valuable information. I got the link from Joris and
studied about it. As Phil said that EXIF IFD contains InteropIFD
( TIFFTAG_INTEROPERABILITYIFD), but i got that this is part of normal image
IFD.

Libtiff just read the TIFFTAG_EXIFIFD tag but doen't parse the EXIFIFD.
Anyone could suggest me that how it will be handle by libtiff.  Or i have to
handle it independently without using libtiff.

Act our main aim is to make exact copy of the image, so at this point of
time i don't want to ignore any tag or IFD.


Thanks
Anurag