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Re: reading and importing EOS-HDF [message #66778 is a reply to message #66775]

Tue, 09 June 2009 02:08

Maarten[1]
Messages: 176
Registered: November 2005

Senior Member

On Jun 9, 8:01 am, drgur...@icimod.org wrote:

> I am very new to IDL and trying to read/import EOS-HDF. Any
> references, tutorials and guidance much appreciated.

Which version of HDF-EOS, or from which instrument or dataset?

HDF-EOS-2 (based on HDF-4) is fully supported in IDL, see the
documentation for the eos_pt_*, eos_gd_* and eos_sw_* routines in the
online help. These routines are failrly high-level, although the
calling order can be somewhat odd (especially when writing data to a
file).

HDF-EOS-5 (yes, based on HDF-5) has no special routines available in
IDL, here you'll need to use the plain HDF-5 routines. Although a
little more sanitized when compared to the HDF-4 routines, these are
still low level routines. Over at [1] you'll find some instructions
for HDF-(EOS-)5, in this case for the OMI (EOS-Aura) project.

I suggest that you at least install HDFView [2]. This tool allows you
to inspect all variants of HDF files, and is a great aid in finding
which field you actually want to read.

Best,

Maarten

[1] http://www.knmi.nl/omi/research/product/read_tool_omi_level2 .php
[2] http://www.hdfgroup.org/hdf-java-html/hdfview/

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[Message index]

		Re: reading and importing EOS-HDF By: jameskuyper on Tue, 09 June 2009 07:24
		Re: reading and importing EOS-HDF By: Maarten[1] on Tue, 09 June 2009 06:04
		Re: reading and importing EOS-HDF By: David Fanning on Tue, 09 June 2009 05:39
		Re: reading and importing EOS-HDF By: Maarten[1] on Tue, 09 June 2009 02:08

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