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Re: Zipped Files [message #51854 is a reply to message #51853]

Fri, 15 December 2006 05:41

Norbert Hahn
Messages: 46
Registered: May 2003

Member

David Fanning <news@dfanning.com> wrote:

> Folks,
>
> Is there any possibility of reading zipped GeoTiff or
> HDF files directly in IDL? I'm a little pressed at the moment, but
> a quick reading of the documentation leads me to think not.
> Can anyone confirm that these files have to be unzipped first
> to read them?

The problem may be worse than you might think. A zipped Tiff
file has an uncompressed header, while the data part is zipped.
Feeding the whole file into some unzip will not work. However,
GeoTiff may be different than ordinary tiff files with zipped
data.

Norbert

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[Message index]

		Re: Zipped Files By: David Fanning on Fri, 15 December 2006 06:16
		Re: Zipped Files By: Norbert Hahn on Fri, 15 December 2006 05:41
		Re: Zipped Files By: Robbie on Thu, 14 December 2006 17:49

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