[Gdal-dev] Help with gdal_merge errors

[Gillian Walter]

Hi,

Have you set your PYTHONPATH variable?  If you look at the batch file 
used to launch openev,  that should tell you what environment settings 
you need to run openev and its utilities.

Gillian

Julia.Harrell at ncmail.net wrote:

>Hi GDAL Listers, 
>
>I'm trying to use the gdal_merge distributed with the Windows binary of 
>OpenEv_FW_182 to merge a large number of tiled JPEGs with this command line
>
>(most of the filenames were omitted for this example). 
>
>C:\OpenEV_FW\python\python.exe  C:\OpenEV_FW\pymod\gdal_merge.py -o Y:\isa03jpgm\camd_isa03_83m.jpg
>-of JPEG  -v 6876.jpg 6877.jpg 6878.jpg 6879.jpg
>
>and I am getting this error message:
>
>'import site' failed; use -v for traceback
>ERROR 6: GDALDriver::Create() ... no create method implemented for this format.
>
>Traceback (most recent call last):
>  File "C:\OpenEV_FW\pymod\gdal_merge.py", line 412, in ?
>    t_fh.SetGeoTransform( geotransform )
>AttributeError: 'NoneType' object has no attribute 'SetGeoTransform'
>
>
>Can someone offer a solution? I'm not well versed enough yet in Python to
>figure out (or fix) the error referenced on line 412.
>
>Also, I have PYTHONHOME and OPENEV_DIR env vars set, and added everything
>
>conceivable to my path, but could not get the gdal_merge.bat file to run.
>
>The error I get is "'python' is not recognized as an internal or external
>
>command, operable program or batch file." - so that's why I'm explictly 
>calling the python exe and the gdal_merge script. There's got to be a better
>
>way, I just don't know what it is yet. Some advice there would also be 
>appreciated.
>
>Thanks for the help,
>
>Julia Harrell
>NC DENR
>
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