Re: _GDattach error on import

From: David Brown <dbrown_at_nyahnyahspammersnyahnyah>
Date: Wed Nov 14 2012 - 12:26:19 MST

Hi John,
I am not sure why you are getting the GDattach error. I am trying to see if I can reproduce this problem here and I will let you know as soon as I have some kind of answer. As far as the location of the HDFEOS library, it has apparently changed since we last updated our documentation. The new location of the recommended version of HDFEOS is:

There appears to be a newer version of this library which can be found at:

We will update the docs to reflect the location change and also do some confidence testing on the new version of the library.

On Nov 14, 2012, at 9:52 AM, John Nielsen-Gammon wrote:

> Howdy! I'm new to the list.
> I just installed PyNIO from source onto my Mac (OS X 10.6.8) with only one departure from instructions (I needed to use the config_fc command for I'm using the Enthought Python Distribution free version 7.3-2.
> When I type "import Nio", I get the following error:
> >>> import nio
> Traceback (most recent call last):
> File "<stdin>", line 1, in <module>
> ImportError: dlopen(/Library/Frameworks/Python.framework/Versions/7.3/lib/python2.7/site-packages/PyNIO/, 2): Symbol not found: _GDattach
> Referenced from: /Library/Frameworks/Python.framework/Versions/7.3/lib/python2.7/site-packages/PyNIO/
> Expected in: flat namespace
> in /Library/Frameworks/Python.framework/Versions/7.3/lib/python2.7/site-packages/PyNIO/
> Some googling implies that GDattach is associated with the HDF-EOS2 package. But I didn't install HDF-EOS2 and the value of HAS_HDFEOS in my user environment is 0. Furthermore, the recommended version of HDF-EOS2 is not available at, which is where the installation instructions say I should obtain
> Any ideas?
> - John
> ________________________________________________
> John W. Nielsen-Gammon
> Regents Professor and Texas State Climatologist
> Dept. of Atmospheric Sciences, Texas A&M University (O&M Rm 1210F)
> 3150 TAMUS, College Station, TX 77843-3150
> Ph 979-862-2248 Fax 979-862-4466
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Received on Wed Nov 14 12:26:27 2012

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