From 9e9d90d528c8833c5b6a0a0982d7df198b6c9451 Mon Sep 17 00:00:00 2001
From: jcorgan <jcorgan@221aa14e-8319-0410-a670-987f0aec2ac5>
Date: Thu, 8 Nov 2007 19:46:06 +0000
Subject: Adds 'ctrl-double-click to re-center on maximum power' to usrp_fft.py
git-svn-id: http://gnuradio.org/svn/gnuradio/trunk@6837 221aa14e-8319-0410-a670-987f0aec2ac5
---
gr-utils/src/python/usrp_fft.py | 16 +++++++++++++---
1 file changed, 13 insertions(+), 3 deletions(-)
(limited to 'gr-utils/src')
diff --git a/gr-utils/src/python/usrp_fft.py b/gr-utils/src/python/usrp_fft.py
index 5aee24fe6e..fae5ae4cd7 100755
--- a/gr-utils/src/python/usrp_fft.py
+++ b/gr-utils/src/python/usrp_fft.py
@@ -28,7 +28,7 @@ from gnuradio.wxgui import stdgui2, fftsink2, waterfallsink2, scopesink2, form,
from optparse import OptionParser
import wx
import sys
-
+import numpy
def pick_subdevice(u):
"""
@@ -261,8 +261,18 @@ class app_top_block(stdgui2.std_top_block):
def evt_left_dclick(self, event):
(ux, uy) = self.scope.win.GetXY(event)
- target_freq = ux/self.scope.win._scale_factor
- self.set_freq(target_freq)
+ if event.CmdDown():
+ # Re-center on maximum power
+ points = self.scope.win._points
+ ind = numpy.argmax(points[:,1])
+ (freq, pwr) = points[ind]
+ target_freq = freq/self.scope.win._scale_factor
+ self.set_freq(target_freq)
+ else:
+ # Re-center on clicked frequency
+ target_freq = ux/self.scope.win._scale_factor
+ self.set_freq(target_freq)
+
def main ():
app = stdgui2.stdapp(app_top_block, "USRP FFT", nstatus=1)
--
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