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Re: HDF, netCDF, etc question [message #25715 is a reply to message #25713]

Sat, 07 July 2001 20:40

Craig Markwardt
Messages: 1869
Registered: November 1996

Senior Member

ronn kling <ronn@rlkling.com> writes:

> Hi All,
>
> Which format would be best for a large number of large sequential images
> along with ancillary data such as field of view, exposure time, etc?
> Discrimators would be things like speed in reading them in, ease to pull out
> the images and information.
>
> I don't have a lot of experience with these things so any and all opinions
> are welcomed.

Hi Ronn--

A similar question to this was asked a few months ago. No really deep
technical discussions ensued, but this was the gist of it:

* I advocated astronomy's FITS format. Plus: platform independent,
metadata is in ASCII, good support in IDL Astronomy Library. Minus:
seen as "archane."

* I also advocated IDL SAVE files. With my library you can read and
write SAVE files sequentially like any other file. Plus: native to
IDL. Minus: tied to IDL.

* Many people seem to swear by Liam Gumley's binary tools. Plus: raw
speed and direct access; platform neutral. Minus: low level.

* Martin Schultz advocated GRIB, half tongue in cheek.

As I said, no real answers came out of this, but at least it may give
you some other ideas.

Craig

--
------------------------------------------------------------ --------------
Craig B. Markwardt, Ph.D. EMAIL: craigmnet@cow.physics.wisc.edu
Astrophysics, IDL, Finance, Derivatives | Remove "net" for better response
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[Message index]

		Re: HDF, netCDF, etc question By: R.Bauer on Sun, 08 July 2001 09:31
		Re: HDF, netCDF, etc question By: Craig Markwardt on Sat, 07 July 2001 20:40
		Re: HDF, netCDF, etc question By: Randall Skelton on Sat, 07 July 2001 06:07
		Re: HDF, netCDF, etc question By: Aaron Birenboim on Mon, 16 July 2001 13:38
		Re: HDF, netCDF, etc question By: R.Bauer on Wed, 18 July 2001 23:20
		Re: HDF, netCDF, etc question By: Aaron Birenboim on Mon, 16 July 2001 13:40

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