Le jeudi 22 mars 2012 19:26:56, Armin Burger a écrit :
> Hi all
>
> I set up 2 pixel functions to be used with VRT images and derived bands.
> This works fine with the GDAL utilities and also with MapServer and
> Python MapScript.
>
> If I try however to load the pixel functions in GDAL-Python as drivers,
> I run into problems. The following code
>
> from osgeo import gdal
> import os
>
> os.putenv("GDAL_DRIVER_PATH", "/usr/local/share/gdal/gdalplugins")
> gdal.AllRegister()
>
> produces the error:
>
> python: symbol lookup error: /usr/local/share/gdal/gdalplugins
> /gdal_SpotBlue.so: undefined symbol: GDALAddDerivedBandPixelFunc
>
>
> So is this sort of a bug or is this functionality not available via the
> GDAL Python bindings? Environment is Linux, GDAL 1.9, Python 2.6.
No fundamental reason it should not work. I'm pretty sure to have done that in
the past. Did you make sure that your gdal_SpotBlue.so links to libgdal.so
(check with ldd) ? But I'm not sure why loading throug python would make a
difference w.r.t loading with GDAL utilities or MapServer.
>
> Thanks for any help
> Armin
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