On 2010-04-13 11:13 AM, K. -Michael Aye wrote:
>>
>> On 2010-04-13 10:18 AM, K. -Michael Aye wrote:
>>> Dear all,
>>>
>>> maybe this should go to the Enthought list, but as the failure is directly 
>>> related to the pylab switch of ipython, I thought I try it here first:
>>>
>>> On OSX I have trouble with using the pylab switch for ipython after I 
>>> copied the gdal.pth into the Enthought site-packages folder (to be able to 
>>> use my KyngChaos GDAL Frameworks inside the Enthought Python).
>>>
>>> The gdal.pth does the following to the sys.path:
>>> import sys; 
>>> sys.path.insert(0,'/Library/Frameworks/GDAL.framework/Versions/1.7/Python/site-packages')
>>>
>>> and in that folder there is:
>>>
>>> -rw-rw-r--   1 root  admin   128B  8 Feb 20:52 gdal.py
>>> -rw-r--r--   1 root  admin   274B  3 Mar 23:20 gdal.pyc
>>> -rw-rw-r--   1 root  admin   143B  8 Feb 20:52 gdalconst.py
>>> -rw-r--r--   1 root  admin   304B  3 Mar 23:20 gdalconst.pyc
>>> -rw-rw-r--   1 root  admin   147B  8 Feb 20:52 gdalnumeric.py
>>> -rw-r--r--   1 root  admin   309B  3 Mar 23:20 gdalnumeric.pyc
>>> drwxrwxr-x  42 root  admin   1.4K  3 Mar 23:20 numpy
>>> -rw-rw-r--   1 root  admin   125B  8 Feb 20:52 ogr.py
>>> -rw-r--r--   1 root  admin   286B  3 Mar 23:20 ogr.pyc
>>> drwxrwxr-x  21 root  admin   714B  3 Mar 23:20 osgeo
>>> -rw-rw-r--   1 root  admin   125B  8 Feb 20:52 osr.py
>>> -rw-r--r--   1 root  admin   286B  3 Mar 23:20 osr.pyc
>>>
>>> Maybe the double import of a potentially different numpy compared to the 
>>> Enthought numpy creates the Bus Error?
>>
>> Not so much a double import. Only one version ever gets imported, but the 
>> GDAL
>> Python bindings expect its version and matplotlib expects another version.
>>
>>> If so, how can I avoid it?
>>
>> You would have to rebuild the GDAL Python bindings against Enthought's numpy.
>>
> But why does everything work fine, when I start an Enthought ipython withOUT 
> the -pylab switch?
> Importing 'from osgeo import gdal' and using it works fine in this case 
> (Tried ReadAsArray from a gdal dataset and imshow'ed it without problems, 
> apart from that I had to call show() because of the lack of the -pylab 
> switch, but other than that, fine).

Hmm, don't know. Getting a gdb traceback for the bus error would help identify 
the problem.

> PS.: Sorry for the mail-list noob question, but how can I nicely reply to 
> your answer like you replied to my question, with 'Robert Kern wrote' and so 
> on? There's no reply possible on sourceforge and the digest contains 
> obviously many emails, so how do you do this? ;)

I use an NNTP newsreader to read this list via GMane, but you can just change 
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-- 
Robert Kern

"I have come to believe that the whole world is an enigma, a harmless enigma
  that is made terrible by our own mad attempt to interpret it as though it had
  an underlying truth."
   -- Umberto Eco


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