[Gdal-dev] Re: Help with gdal_merge errors

[wlx]

I have seen it when the output format doesn't support geographic
coordinate,so you can try use geotiff format.

> 
> 
> 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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