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Re: [Discuss-gnuradio] Doppler Radar Processing


From: Bruce Penswick
Subject: Re: [Discuss-gnuradio] Doppler Radar Processing
Date: Sun, 21 Jul 2013 07:55:14 -0700 (PDT)

For your 2-D plotting, why don't you just use Matplotlib (http://matplotlib.org/) or Qwt (http://qwt.sourceforge.net/)?? Those two tools provide powerful plotting capabilities from Python and C++. Am I missing something?



From: "Wallace, Frank L CIV NSWCDD, Q41" <address@hidden>
To: Adeel Anwar <address@hidden>; address@hidden
Sent: Thursday, July 18, 2013 12:09 PM
Subject: Re: [Discuss-gnuradio] Doppler Radar Processing

The question should be stated more like:  Does someone have a "QT-2D mesh plot" block that I can use?  If so, then I can stay in C++/Python/GRC and not have to export the data to Matlab.  While I would want to run it faster, right now, an update every 2 seconds or so is acceptable.  1) I 'm lazy and didn't want to do it if someone already has. 2) I get rid of the Matlab/Octive stuff as mostly, it is just for plotting.
Thanks,
Frank

---
From Frank:
>>Frank,
?>>Currently, I am just saving off the data and then processing it in Octave/Matlab. It would be nice to have a display of the range/Doppler map that is updated periodically within GRC.  This would give me a good indication that everything is working without me having to save off the data and load it into matlab.  I am fairly new to GNU Radio and the GRC and it is the plots that I really don't know how to do.  So, does anyone have something like a 2D Mesh plot in QT that I could update semi-real time?

From: Adeel Anwar [mailto:address@hidden]
>>Is there a specific requirement that u want this plot to be updated with-in GRC? If not then u can stream the data from GRC to network-socket or some FIFO. Then u can write an independent QT-app that read data from socket and displays it on " QT-2D Mesh plot" u mentioned above

-Adeel
----


   



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