[Commit-gnuradio] r8738 - gnuradio/branches/developers/jblum/gr-wxglgui/src/python

[jblum]

Author: jblum
Date: 2008-06-27 11:19:34 -0600 (Fri, 27 Jun 2008)
New Revision: 8738

Modified:
   gnuradio/branches/developers/jblum/gr-wxglgui/src/python/fftsink.py
Log:
fixed real plot

Modified: gnuradio/branches/developers/jblum/gr-wxglgui/src/python/fftsink.py
===================================================================
--- gnuradio/branches/developers/jblum/gr-wxglgui/src/python/fftsink.py 
2008-06-27 06:46:57 UTC (rev 8737)
+++ gnuradio/branches/developers/jblum/gr-wxglgui/src/python/fftsink.py 
2008-06-27 17:19:34 UTC (rev 8738)
@@ -386,17 +386,18 @@
                        set_average=fft.set_average,    
                )
                #setup x grid and setup the input watcher
-               if self.real: input_watcher(fft.msgq, self.win.plot)
-               else: input_watcher(fft.msgq, self._handle_complex_samples)
+               input_watcher(fft.msgq, self._handle_samples)
                
-       def _handle_complex_samples(self, samples):
+       def _handle_samples(self, samples):
                """!
-               Reorder the complex fft samples so the negative bins come first
+               If complex, reorder the fft samples so the negative bins come 
first.
+               If real, keep take only the positive bins.
                @param samples an array of fft samples
                """
                num_samples = len(samples)
-               samples = numpy.concatenate((samples[num_samples/2+1:], 
samples[:num_samples/2]))
-               self.win.plot(samples)                  
+               if self.real: samples = samples[:num_samples/2]
+               else: samples = numpy.concatenate((samples[num_samples/2+1:], 
samples[:num_samples/2]))
+               self.win.plot(samples)
 
 class fft_sink_f(_fft_sink_base): item_size = gr.sizeof_float
 class fft_sink_c(_fft_sink_base): item_size = gr.sizeof_gr_complex