[gdal-dev] Registering GDAL 1.8 64-bit with Python 2.7 on Windows 7

[Gregory Yetman]

Hi,

I'm pulling my hair out over what should be a simple problem. I'm trying 
to use the pre-compiled GDAL library and bindings published here:

http://vbkto.dyndns.org/sdk/PackageList.aspx?file=release-1400-x64-gdal-1-8-mapserver-5-6.zip

To implement a pure 64-bit Python and GDAL combo (I already have numpy 
64-bit working with python 2.7 64-bit).

GDAL is working on on the system, gdalinfo --version returns:

GDAL 1.8.0, released 2011/01/12

and python works fine as well. I installed the bindings with no error 
messages and rebooted, but if I try and import gdal I get:

 >>> from osgeo import gdal
Traceback (most recent call last):
   File "<stdin>", line 1, in <module>
   File "C:\Python27\Lib\site-packages\osgeo\__init__.py", line 21, in 
<module>
     _gdal = swig_import_helper()
   File "C:\Python27\Lib\site-packages\osgeo\__init__.py", line 17, in 
swig_import_helper
     _mod = imp.load_module('_gdal', fp, pathname, description)
ImportError: DLL load failed: The specified module could not be found.
 >>>

I created a PYTHONPATH system variable and set it to:

C:\Python27\Lib\site-packages;C:\Python27\Lib\site-packages\osgeo;C:\Program 
Files\GDAL

to no avail.

Any suggestions?

I'm trying to get the 64 bit versions working because when I try and 
open a large raster as an array using
DatasetReadAsArray I get an error; suggestions on another mailing list 
were that this was because the 32 bit library can only handle rasters up 
to 2GB and the ones I am working with are larger than that.

TIA,

Greg



-- 
Gregory Yetman
CIESIN, Columbia University
+1-845-365-8982
http://www.ciesin.columbia.edu