[Gdal-dev] StandardError: 'NoneType' object has no attribute '_o'

[sandricionut]

Thank you Vincent,

I will search for gdal_array

Ionut


Vincent Schut-2 wrote:
> 
> Sandric,
> 
> I'm forwarding your message to the gdal mailing list, because this seems
> merely related to gdal, less to numpy.
> Btw, if you are mainly using numpy arrays instead of (deprecated)
> numeric arrays, you might want to look into gdal_array.py, which links
> gdal to numpy, instead of gdalnumeric.py, which links gdal to numeric.
> Though I don't know if that is provided on windows binary builds by
> default, being a linux-only user... Someone on the gdal list will know,
> probably.
> 
> Vincent.
> 
> sandric ionut wrote:
>> Hi:
>> I am using Gdal 142 version on Windows XP sp2 with Numeric-24.2, SciPy
>> 0.5.2.1, numpy 1.0.3.1. for Python 2.4.
>> I want to use genericfunctions from scipy.ndimage. I have tried with
>> the example provided in numarray users' manual release 1.5:
>> >>> def fnc(iline, oline):
>> ... oline[...] = iline[:-2] + 2 * iline[1:-1] + 3 * iline[2:]
>> ...
>> >>> print generic_filter1d(a, fnc, 3)
>> [[ 3 8 14 17]
>> [27 32 38 41]
>> [51 56 62 65]]
>>
>> Everything works OK and I get the proper result, but when I try to use
>> gdalnumeric to save the array to a image format (tif for example, or
>> any other format supported by gdal) I get the following error:
>>
>>   File "C:\Python24\Lib\site-packages\gdalnumeric.py", line 123, in
>> SaveArray
>>     return driver.CreateCopy( filename, OpenArray(src_array,prototype) )
>>   File "C:\Python24\Lib\site-packages\gdal.py", line 592, in CreateCopy
>>     target_ds = _gdal.GDALCreateCopy( self._o, filename, source_ds._o,
>> StandardError: 'NoneType' object has no attribute '_o'
>> How can I save an array into a image format supported by Gdal
>> I don't know what I do wrong
>>
>> Thank you
>>
>> Ionut
>>
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