Re: [Discuss-gnuradio] WX GUIs using FFTs not working

[Marcus D. Leech]

On 02/02/13 02:34 PM, C. Bassa wrote:
> Hi,
>
> After building gnu-radio v3.6.3-35 with the build-gnuradio script the
> WX GUIs that use FFTs do not work (waterfall sink, fft sink),
> reporting "gri_fftw: can't import wisdom from $HOME/.gr_fftw_wisdom".
> That file does exist, has the right permissions (664) and contains
> fftwf_wisdom information.
>
> Non-fft WX GUI sinks like scope and histo sink do work when using a
> throttled noise source as input (all created through grc).
>
> I have a fftw3 compiled and installed in /usr/local and the
> build-gnuradio script installed the libraries and header files in
> /usr; not sure if this is part of the problem.
>
> Before this issue there were problems with wx; failing the 'import wx'
> on anything that used wx. It appeared I had both python-wxgtk2.6 and
> python-wxgtk2.8 installed. After removing both and installing
> python-wxgtk2.8 that problem went away, but may have caused the FFT
> problem.
>
> Regards,
>     C. Bassa
>
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>
>
Just remove your .gr_fftw_wisdom file, it's probably got trash in it.

What Linux distrib are you using?



-- 
Principal Investigator
Shirleys Bay Radio Astronomy Consortium
http://www.sbrac.org