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-rwxr-xr-xgr-utils/src/python/gr_plot_qt.py22
1 files changed, 17 insertions, 5 deletions
diff --git a/gr-utils/src/python/gr_plot_qt.py b/gr-utils/src/python/gr_plot_qt.py
index 958be19ca..5579bbce2 100755
--- a/gr-utils/src/python/gr_plot_qt.py
+++ b/gr-utils/src/python/gr_plot_qt.py
@@ -26,7 +26,9 @@ class SpectrogramData(Qwt.QwtRasterData):
self.sp = data
self.freq = xfreq
self.time = ytime
- boundingBox = Qt.QRectF(0, 0, self.freq.size, self.time.size)
+ boundingBox = Qt.QRectF(self.freq.min(), self.time.min(),
+ self.freq.max() - self.freq.min(),
+ self.time.max() - self.time.min())
self.setBoundingRect(boundingBox)
def rasterHint(self, rect):
@@ -40,10 +42,9 @@ class SpectrogramData(Qwt.QwtRasterData):
return Qwt.QwtDoubleInterval(self.sp.min(), self.sp.max())
def value(self, x, y):
- #print x, y
- x = int(x)
- y = int(y)
- return self.sp[x][y-1]
+ f = int(self.freq.searchsorted(x))
+ t = int(self.time.searchsorted(y))
+ return self.sp[f][t-1]
class gr_plot_qt(QtGui.QMainWindow):
@@ -68,6 +69,8 @@ class gr_plot_qt(QtGui.QMainWindow):
self.gui.timePlot.setAxisTitle(self.gui.timePlot.yLeft, "Amplitude (V)")
self.gui.freqPlot.setAxisTitle(self.gui.freqPlot.xBottom, "Frequency (Hz)")
self.gui.freqPlot.setAxisTitle(self.gui.freqPlot.yLeft, "Magnitude (dB)")
+ self.gui.specPlot.setAxisTitle(self.gui.specPlot.xBottom, "Frequency (Hz)")
+ self.gui.specPlot.setAxisTitle(self.gui.specPlot.yLeft, "Time (sec)")
# Set up FFT size combo box
self.fftsizes = ["128", "256", "512", "1024", "2048",
@@ -199,6 +202,7 @@ class gr_plot_qt(QtGui.QMainWindow):
# Set up initial color scheme
self.color_modes["Blue on Black"]()
+ # Connect a signal for when the sample rate changes
self.set_sample_rate(self.sample_rate)
self.connect(self.gui.sampleRateLineEdit,
Qt.SIGNAL("editingFinished()"),
@@ -338,6 +342,7 @@ class gr_plot_qt(QtGui.QMainWindow):
self.get_specgram()
self.update_time_curves()
self.update_psd_curves()
+ self.update_specgram_curves()
def set_file_pos_box(self, start, end):
tstart = start / self.sample_rate
@@ -483,6 +488,13 @@ class gr_plot_qt(QtGui.QMainWindow):
# since this is taken care of in the SpectrogramData class
self.specdata.set_data(self.spec_f, self.spec_t, self.iq_spec)
+ self.gui.specPlot.setAxisScale(self.gui.specPlot.xBottom,
+ min(self.spec_f),
+ max(self.spec_f))
+ self.gui.specPlot.setAxisScale(self.gui.specPlot.yLeft,
+ min(self.spec_t),
+ max(self.spec_t))
+
# Set the zoomer base to unzoom to the new axis
self.specZoomer.setZoomBase()