Re: [Discuss-gnuradio] Fft scope frequent hangs

[Eric Blossom]

On Fri, Nov 17, 2006 at 12:35:18PM -0400, Ryan Seal wrote:
> Eric Blossom wrote:
> >
> >The problem doesn't appear to be platform specific.  In general our
> >current plotting code is dog slow.  It's mostly implemented in Python
> >and could use a serious overhaul.
> >
> >There's an enhancement request, ticket:91, 
> >http://gnuradio.org/trac/ticket/91
> >that talks about improving the plotting peformance by coding up a
> >plotting widget in C++.
> >
> >It's looking for an owner.  Hint, Hint. 
> >
> >Eric
> >
> >  
> When you say C++, do you mean wxWidgets ?

That's what I was thinking.  Write a simple, fast plot widget for
wxWidgets, then built the appropriate wxPython wrapper for it.
No autoscaling.  Just pass a transform matrix and the array of
samples.

> I had previously written both an 
> oscilloscope/spectrum analyzer using QT 3 (and Blitz,FFTW) that grabs data 
> from shared memory. If I could find some time I would be willing to help 
> out with the C++ part if someone could handle the Python part.

Great!

Eric