[gdal-dev] gdal_merge.py won't load libpng

Dominik Schneider Dominik.Schneider at Colorado.EDU
Fri Jul 5 12:39:51 PDT 2013


anyone have any suggestions?! I'm at a complete loss how to troubleshoot.


Dominik Schneider
o 303.735.6296 | c 518.956.3978



On Tue, Jul 2, 2013 at 10:52 AM, Dominik Schneider <
dominik.schneider at colorado.edu> wrote:

> Hi,
> I am trying to run:
> gdal_merge.py -init -9999 -n 2001 -o
> MOD09GA.A2012001.h08v05.005.NRTsnow_fraction.tif.1
> MOD09GA.A2012001.h08v05.005.NRTsnow_fraction.tif
>
> The Error:
> Traceback (most recent call last):
>   File "/Library/Frameworks/GDAL.framework/Programs/gdal_merge.py", line
> 36, in <module>
>     import gdal
>   File "/usr/local/lib/python2.7/site-packages/gdal.py", line 2, in
> <module>
>     from osgeo.gdal import deprecation_warn
>   File "/usr/local/lib/python2.7/site-packages/osgeo/__init__.py", line
> 21, in <module>
>     _gdal = swig_import_helper()
>   File "/usr/local/lib/python2.7/site-packages/osgeo/__init__.py", line
> 17, in swig_import_helper
>     _mod = imp.load_module('_gdal', fp, pathname, description)
> ImportError: dlopen(/usr/local/lib/python2.7/site-packages/osgeo/_gdal.so,
> 2): Library not loaded: libpng15.15.dylib
>   Referenced from: /usr/local/Cellar/gdal/1.10.0/lib/libgdal.1.dylib
>   Reason: image not found
>
> Gdal is here:
> > which gdal_merge.py
> /Library/Frameworks/GDAL.framework/Programs/gdal_merge.py
>
> I'm completely new gdal but am guessing i've got some confusion between
> different versions of gdal and python.  I have rgdal installed so at some
> point in the past I probably installed gdal too? Today I installed gdal
> with homebrew and also tried the binary from
> http://www.kyngchaos.com/software:frameworks
> For python I have the system default (2.7) on osx.7.5 and the anaconda
> installation.
>
> I should also say, if I load python I am unable to import gdal:
> > python
> Python 2.7.4 |Anaconda 1.5.1 (x86_64)| (default, May  9 2013, 12:12:00)
> [GCC 4.0.1 (Apple Inc. build 5493)] on darwin
> Type "help", "copyright", "credits" or "license" for more information.
> >>> from osgeo import gdal
> Traceback (most recent call last):
>   File "<stdin>", line 1, in <module>
>   File "/usr/local/lib/python2.7/site-packages/osgeo/__init__.py", line
> 21, in <module>
>     _gdal = swig_import_helper()
>   File "/usr/local/lib/python2.7/site-packages/osgeo/__init__.py", line
> 17, in swig_import_helper
>     _mod = imp.load_module('_gdal', fp, pathname, description)
> ImportError: dlopen(/usr/local/lib/python2.7/site-packages/osgeo/_gdal.so,
> 2): Library not loaded: libpng15.15.dylib
>   Referenced from: /usr/local/Cellar/gdal/1.10.0/lib/libgdal.1.dylib
>   Reason: image not found
>
>
> any help would be appreciated.
> Thanks
>
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