[gdal-dev] Commit r19248

Ari Jolma ari.jolma at gmail.com
Tue Mar 30 15:57:40 EDT 2010

Christopher Barker wrote:
> Ari Jolma wrote:
>> But is the string object useful from Python programmer's point of 
>> view then? (maybe NumPy?)
> yes, a python string (or, in newer versions, a bytes object) can be 
> used to create various objects with compatible binary represent ions: 
> images, numpy arrays, etc. without copying, thanks to the buffer 
> interface.
> Of course, creating a numpy array in the first place is best, but not 
> everyone wants to use numpy.
> Not sure what bearing this has on the wrapper, though...

The point is that the byte buffer may contain data basically in any 
GDALDataType (that's an argument to ReadRaster). The receiving end needs 
to know what's the type to understand the bytes object. Perl data buffer 
objects do not carry that information, and it seems that Python bytes 
object do neither (http://www.python.org/dev/peps/pep-3137/).


> -Chris

More information about the gdal-dev mailing list