[gdal-dev] moving filter averaging in GDAL.

Even Rouault even.rouault at mines-paris.org
Fri Jun 19 13:44:10 EDT 2009


It should be relatively straighforward to transpose from Python to C++, as 
Python API is mostly deduced from the original C++ one. Look at the 
documentation of the C++ API on gdal.org

Le Friday 19 June 2009 19:27:40 Belaid MOA, vous avez écrit :
> Thanks a lot Frank. Is there any C/C++ version for that? I am doing the
> averaging filter from C++ code.
>
> With best regards.
> Belaid Moa.
>
> > Date: Fri, 19 Jun 2009 13:23:33 -0400
> > From: warmerdam at pobox.com
> > To: belaid_moa at hotmail.com
> > CC: gdal-dev at lists.osgeo.org
> > Subject: Re: [gdal-dev] moving filter averaging in GDAL.
> >
> > Belaid MOA wrote:
> > > Hi,
> > >  Does GDAL have functions for applying an averaging filter of window,
> > > say 11x11, to an image? This is something that comes up all the time in
> > > image analysis. So, I suppose GDAL has built-in functions for that.
> > >
> > >  Any help on this is very appreciated.
> >
> > Belaid,
> >
> > There is support for filtering, including average filtering, with the
> > gdalfilter.py command in gdal/swig/python/samples.  It accomplished
> > by creating a virtual file using the <KernelFilteredSource> directive -
> > so ultimately the work is done by the VRT driver.
> >
> > Best regards,
> > --
> > ---------------------------------------+---------------------------------
> >----- I set the clouds in motion - turn up   | Frank Warmerdam,
> > warmerdam at pobox.com light and sound - activate the windows |
> > http://pobox.com/~warmerdam and watch the world go round - Rush    |
> > Geospatial Programmer for Rent
>
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