[gdal-dev] TIFF with different KEYS_DS

Frank Warmerdam warmerdam at pobox.com
Tue May 17 09:44:16 EDT 2011

On 11-05-17 07:54 AM, Jorge Martin wrote:
> Hello Frank,
> I am reading libtiff manual and it is possible to write different IFD
> (directories, I do not know the correct word) in the same tiff file using
> *TIFFWriteDirectory *function. Is it possible to use it in gdal library?


While in theory we could extend the GDAL library to write multi-image
TIFF files - at this time we do not have support for doing this.

Best regards,

> 2011/5/17 Jorge Martin <jormarfe at gmail.com <mailto:jormarfe at gmail.com>>
>     Hello Frank,
>              TIFF 6.0 specifications has a sub-section in page 16 which is
>     called "Multiple Image per TIFF file" and there is only a description of
>     this issue but anything about its implementation:
>     "There may be more than one IFD in a TIFF file. Each IFD defines a subfile.
>     One potential use of subfiles is to describe related images, such as the
>     pages of a facsimile transmission. A Baseline TIFF reader is not required
>     to read any IFDs beyond the first one."
>              Is it possible to implement it?

I set the clouds in motion - turn up   | Frank Warmerdam, warmerdam at pobox.com
light and sound - activate the windows | http://pobox.com/~warmerdam
and watch the world go round - Rush    | Geospatial Programmer for Rent

More information about the gdal-dev mailing list