Re: [Discuss-gnuradio] J. Cooley's 3-D waterfall display

[Jamie Cooley]

Greetings, all.

OK, I have fixed it, so it runs now with latest code from svn. The fft 
block changed since I wrote that code, a long time back. It now expects 
a window as a third arg. See the gr_wxgui fft code for a model on how to 
structure the flow graph.

Hey, been away for a while... Kudos to all for the many many new things 
I see in there! Very cool.

-j




Written wrote:
> Would someone please look at this?  Furthermore, I imagine that many Gnu
> Radio users would like to be able to perform 3-dimensional FFT displays.
>
> -Written
>
>
> Written wrote:
>   
> > All,
> >
> > Mr. Cooley wrote this code sometime early last year, and unfortunately
> > something in the gnuradio or wxgui code has changed, and this code is no
> > longer operable.
> >
> > The error I got in trying to run it with gnuradio 2.8 is:
> >
> > gnuradio_swig_python.py expects a std::vector<float,std::allocator<float>>
> >
> > I had an email exchange with Mr. Cooley, and he would like to fix his
> > code, so any effort would be appreciated in that.  And, as he said in our
> > exchange,
> >
> > "Now that I think about it, the waterfall Python OpenGL code that I did
> > was based largely upon the similar wxgui-based fft. So, following the
> > format of the wxgui versions may help lead you to the right functional
> > calls, and get the right calls on the GnuRadio side."
> >
> >
> > http://alumni.media.mit.edu/~jcooley/gr_experiments/experiments/fft_3d_time/gr_3d_fft_time.htm
> > J. Cooley's site 
> >
> >     
>
>