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Re: Unknown data type [message #42129 is a reply to message #42107]

Mon, 27 December 2004 19:19

David Fanning
Messages: 11724
Registered: August 2001

Senior Member

Julio writes:

> I can read byte or integer images using byte or integer arrays, like:
>
> byte_image=bytarr(samples, rows) or
> integer_image=intarr(samples, rows)
>
> In both cases I must know the data type. But, when I don't know the
> data type, how can I do to read the images? Is there some way to
> verify the file format before reading into an array?

How can you find the New Year's party when you don't
know the address? It's a problem. :-(

Cheers,

David

P.S. You could do a small "trial read" and see
if the data "made sense" the way you read it.
What "makes sense" means is kind of up to you.

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

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[Message index]

		Unknown data type By: julio on Thu, 30 December 2004 05:59
		Re: Unknown data type By: R.Bauer on Wed, 29 December 2004 05:43
		Re: Unknown data type By: David Fanning on Tue, 28 December 2004 20:11
		Re: Unknown data type By: ed on Tue, 28 December 2004 19:29
		Re: Unknown data type By: David Fanning on Mon, 27 December 2004 19:19

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