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Re: DESCRIPTION field missing from read_tiff() [message #48755]

Thu, 18 May 2006 19:37

David Fanning
Messages: 11724
Registered: August 2001

Senior Member

M. Katz writes:

> Fantastic! Thanks, David and Jeff.
> Now wouldn't it make sense to sneak that wonderful info structure into
> read_tiff() somewhere?

I think you could probably manage that in less than three
lines of a BETTER_READ_TIFF program! :-)

Cheers,

David

--
David Fanning, Ph.D.
Fanning Software Consulting, Inc.
Coyote's Guide to IDL Programming: http://www.dfanning.com/

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Re: DESCRIPTION field missing from read_tiff() [message #48756 is a reply to message #48755]

Thu, 18 May 2006 18:04

M. Katz
Messages: 69
Registered: May 2005

Member

Fantastic! Thanks, David and Jeff.
Now wouldn't it make sense to sneak that wonderful info structure into
read_tiff() somewhere?
-M. Katz

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Re: DESCRIPTION field missing from read_tiff() [message #48757 is a reply to message #48756]

Thu, 18 May 2006 17:34

Jeff N.
Messages: 120
Registered: April 2005

Senior Member

I think you probably want the QUERY_TIFF routine instead. Something
like:

result = query_tiff('yourfile.tif', info)
print, info.description

should do what you want.

Jeff

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Re: DESCRIPTION field missing from read_tiff() [message #48758 is a reply to message #48757]

Thu, 18 May 2006 17:31

David Fanning
Messages: 11724
Registered: August 2001

Senior Member

M. Katz writes:

> I just noticed, sadly, that the write_tiff procedure has a description
> field
>
> WRITE_TIFF, Filename [, Image]. . . [, DESCRIPTION=string] . . .
>
> but read_tiff can't help you get your string back
>
> Result = READ_TIFF( Filename [, R, G, B] . . . {S.O.L.} )
>
> Any suggestions for how to tuck some information away in the tiff for
> later retrieval within IDL. I'd love to not have to create separate
> descriptive text files.

You can access this information with the QUERY_TIFF function. :-)

Cheers,

David
--
David Fanning, Ph.D.
Fanning Software Consulting, Inc.
Coyote's Guide to IDL Programming: http://www.dfanning.com/

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