[gdal-dev] VRT Derived Bands from Python?

Knut-Frode Dagestad knutfrodesoppel at hotmail.com
Wed May 11 05:53:55 EDT 2011


Derived Bands of the VRT format seems like a very powerful resource. 
 From the tutorial (http://www.gdal.org/gdal_vrttut.html) it is clear 
that the Pixel Functions themselves have to be written in C, which is 
probably anyway best for performance.
I also get the impression that the corresponding VRT files with Derived 
Bands can only be used by applications written in C/C++, since the Pixel 
Functions are only available inside the scope of such an application 

Does this mean that Pixel Functions can not be used by command line 
utilities (e.g. gdalwarp and gdal_translate) or from Python?

Best regards from Knut-Frode

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