I needed to update my python interpreter to 64-bit recently on my mac. I all my needed modules updated fine, including matplotlib, but basemap gives me trouble:
Python 2.6.1 (r261:67515, Jan 29 2009, 15:27:04)
[GCC 4.0.1 (Apple Inc. build 5465)] on darwin
Type "help", "copyright", "credits" or "license" for more information.
>>> import numpy
>>> import matplotlib
>>> from mpl_toolkits.basemap import Basemap
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "/Library/Frameworks/Python64.framework/Versions/2.6/lib/python2.6/site-packages/mpl_toolkits/basemap/__init__.py", line 43, in <module>
import _geoslib, netcdftime
ImportError: dlopen(/Library/Frameworks/Python64.framework/Versions/2.6/lib/python2.6/site-packages/_geoslib.so, 2): Symbol not found: _GEOSArea
Referenced from: /Library/Frameworks/Python64.framework/Versions/2.6/lib/python2.6/site-packages/_geoslib.so
Expected in: dynamic lookup
>>>
Looking at the install of basemap closely I noticed some errors that make me wonder whether the geos libraries need to be compiled as 64-bit to work?
ld: warning in /usr/local/lib/libgeos_c.dylib, file is not of required architecture
ld: warning in /usr/local/lib/libgeos.dylib, file is notld: warning in /usr/local/lib/libgeos_c.dylib, file is not of require
d architecture
ld: warning in /usr/local/lib/libgeos.dylib, file is not of required architecture
of required architecture
ld: warning in /usr/local/lib/libgeos_c.dylib, file is not of required architecture
ld: warning in /usr/local/lib/libgeos.dylib, file is not of required architecture
As always, any help is much appreciated.
Mike
P.S. Both matplotlib and basemap are from today's svn.
Mike wrote:
I needed to update my python interpreter to 64-bit recently on my mac. I all my needed modules updated fine, including matplotlib, but basemap gives me trouble:
Python 2.6.1 (r261:67515, Jan 29 2009, 15:27:04)
[GCC 4.0.1 (Apple Inc. build 5465)] on darwin
Type "help", "copyright", "credits" or "license" for more information.
>>> import numpy
>>> import matplotlib
>>> from mpl_toolkits.basemap import Basemap
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "/Library/Frameworks/Python64.framework/Versions/2.6/lib/ python2.6/site-packages/mpl_toolkits/basemap/__init__.py", line 43, in <module>
import _geoslib, netcdftime
ImportError: dlopen(/Library/Frameworks/Python64.framework/Versions/ 2.6/lib/python2.6/site-packages/_geoslib.so, 2): Symbol not found: _GEOSArea
Referenced from: /Library/Frameworks/Python64.framework/Versions/ 2.6/lib/python2.6/site-packages/_geoslib.so
Expected in: dynamic lookup
>>>
Looking at the install of basemap closely I noticed some errors that make me wonder whether the geos libraries need to be compiled as 64- bit to work?
Mike: Yes, I suspect that is the problem. Unfortunately, I've no idea how to fix that.
Even if you get beyond that though - I think you are going to run into problems with basemap/geos using python 2.6 and numpy 1.2.1. I've been waiting for a numpy 1.3 release that fully supports python 2.6 before digging into this.
-Jeff
···
ld: warning in /usr/local/lib/libgeos_c.dylib, file is not of required architecture
ld: warning in /usr/local/lib/libgeos.dylib, file is notld: warning in /usr/local/lib/libgeos_c.dylib, file is not of require
d architecture
ld: warning in /usr/local/lib/libgeos.dylib, file is not of required architecture
of required architecture
ld: warning in /usr/local/lib/libgeos_c.dylib, file is not of required architecture
ld: warning in /usr/local/lib/libgeos.dylib, file is not of required architecture
As always, any help is much appreciated.
Mike
P.S. Both matplotlib and basemap are from today's svn.
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Looking at the install of basemap closely I noticed some errors that
make me wonder whether the geos libraries need to be compiled as 64-
bit to work?
Mike: Yes, I suspect that is the problem. Unfortunately, I've no idea
how to fix that.
Even if you get beyond that though - I think you are going to run into
problems with basemap/geos using python 2.6 and numpy 1.2.1. I've been
waiting for a numpy 1.3 release that fully supports python 2.6 before
digging into this.
···
*****
Was this ever resolved? I am having the same basemap/geos error - "Symbol
not found: _GEOSArea"
I am using python 2.7 with numpy-1.6.1 for py 2.7. I made sure to use the
32 bit python to match with with the numpy version. I'm near at my wits
end, so any help would be awesome
--
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