Merge branch 'master' of http://gnuradio.org/git/gnuradio into grc
authorJosh Blum <josh@joshknows.com>
Tue, 25 Aug 2009 23:51:45 +0000 (16:51 -0700)
committerJosh Blum <josh@joshknows.com>
Tue, 25 Aug 2009 23:51:45 +0000 (16:51 -0700)
gnuradio-core/src/python/gnuradio/optfir.py
gr-utils/src/python/Makefile.am
gr-utils/src/python/gr_filter_design.py [new file with mode: 0755]
gr-utils/src/python/gr_plot_qt.py [new file with mode: 0755]
gr-utils/src/python/pyqt_filter.py [new file with mode: 0644]
gr-utils/src/python/pyqt_filter.ui [new file with mode: 0644]
gr-utils/src/python/pyqt_plot.py [new file with mode: 0644]
gr-utils/src/python/pyqt_plot.ui [new file with mode: 0644]

index 06a0eea61462cfae177b7cce1b5ba9ffed2e0cca..aee1d2a0c19ac819aa7d6b2b632c2284d1915761 100644 (file)
@@ -27,7 +27,7 @@ For a great intro to how all this stuff works, see section 6.6 of
 and Barrie W. Jervis, Adison-Wesley, 1993.  ISBN 0-201-54413-X.
 '''
 
-import math
+import math, cmath
 from gnuradio import gr
 
 remez = gr.remez
@@ -56,8 +56,10 @@ def low_pass (gain, Fs, freq1, freq2, passband_ripple_db, stopband_atten_db,
 ##  Builds a band pass filter.
 #   @param gain  Filter gain in the passband (linear)
 #   @param Fs    Sampling rate (sps)
-#   @param freq1 End of stop band (in Hz)
-#   @param freq2 Start of pass band (in Hz)
+#   @param freq_sb1 End of stop band (in Hz)
+#   @param freq_pb1 Start of pass band (in Hz)
+#   @param freq_pb2 End of pass band (in Hz)
+#   @param freq_sb2 Start of stop band (in Hz)
 #   @param passband_ripple_db Pass band ripple in dB (should be small, < 1)
 #   @param stopband_atten_db  Stop band attenuation in dB (should be large, >= 60)
 #   @param nextra_taps  Extra taps to use in the filter (default=2)
@@ -75,6 +77,60 @@ def band_pass (gain, Fs, freq_sb1, freq_pb1, freq_pb2, freq_sb2,
     taps = gr.remez (n + nextra_taps, fo, ao, w, "bandpass")
     return taps
 
+
+##  Builds a band pass filter with complex taps by making an LPF and
+#   spinning it up to the right center frequency
+#   @param gain  Filter gain in the passband (linear)
+#   @param Fs    Sampling rate (sps)
+#   @param freq_sb1 End of stop band (in Hz)
+#   @param freq_pb1 Start of pass band (in Hz)
+#   @param freq_pb2 End of pass band (in Hz)
+#   @param freq_sb2 Start of stop band (in Hz)
+#   @param passband_ripple_db Pass band ripple in dB (should be small, < 1)
+#   @param stopband_atten_db  Stop band attenuation in dB (should be large, >= 60)
+#   @param nextra_taps  Extra taps to use in the filter (default=2)
+def complex_band_pass (gain, Fs, freq_sb1, freq_pb1, freq_pb2, freq_sb2,
+                       passband_ripple_db, stopband_atten_db,
+                       nextra_taps=2):
+    center_freq = (freq_pb2 + freq_pb1) / 2.0
+    lp_pb = (freq_pb2 - center_freq)/1.0
+    lp_sb = freq_sb2 - center_freq
+    lptaps = low_pass(gain, Fs, lp_pb, lp_sb, passband_ripple_db,
+                      stopband_atten_db, nextra_taps)
+    spinner = [cmath.exp(2j*cmath.pi*center_freq/Fs*i) for i in xrange(len(lptaps))]
+    taps = [s*t for s,t in zip(spinner, lptaps)]
+    return taps
+
+
+##  Builds a band reject filter
+#   spinning it up to the right center frequency
+#   @param gain  Filter gain in the passband (linear)
+#   @param Fs    Sampling rate (sps)
+#   @param freq_pb1 End of pass band (in Hz)
+#   @param freq_sb1 Start of stop band (in Hz)
+#   @param freq_sb2 End of stop band (in Hz)
+#   @param freq_pb2 Start of pass band (in Hz)
+#   @param passband_ripple_db Pass band ripple in dB (should be small, < 1)
+#   @param stopband_atten_db  Stop band attenuation in dB (should be large, >= 60)
+#   @param nextra_taps  Extra taps to use in the filter (default=2)
+def band_reject (gain, Fs, freq_pb1, freq_sb1, freq_sb2, freq_pb2,
+                 passband_ripple_db, stopband_atten_db,
+                 nextra_taps=2):
+    passband_dev = passband_ripple_to_dev (passband_ripple_db)
+    stopband_dev = stopband_atten_to_dev (stopband_atten_db)
+    desired_ampls = (gain, 0, gain)
+    desired_freqs = [freq_pb1, freq_sb1, freq_sb2, freq_pb2]
+    desired_ripple = [passband_dev, stopband_dev, passband_dev]
+    (n, fo, ao, w) = remezord (desired_freqs, desired_ampls,
+                               desired_ripple, Fs)
+    # Make sure we use an odd number of taps
+    if((n+nextra_taps)%2 == 1):
+        n += 1
+    # The remezord typically under-estimates the filter order, so add 2 taps by default
+    taps = gr.remez (n + nextra_taps, fo, ao, w, "bandpass")
+    return taps
+
+
 ##  Builds a high pass filter.
 #   @param gain  Filter gain in the passband (linear)
 #   @param Fs    Sampling rate (sps)
index 65cbd536cceeefee28e4f1d445edc32f5a48280b..59ca215a764a920392979754e8b5e46b715601fb 100644 (file)
@@ -23,12 +23,16 @@ include $(top_srcdir)/Makefile.common
 
 EXTRA_DIST = \
     $(bin_SCRIPTS) \
-    README.plot
+    README.plot \
+    pyqt_plot.ui \
+    pyqt_filter.ui
 
 ourpythondir = $(grpythondir)
 
 ourpython_PYTHON = \
-    plot_data.py
+    plot_data.py   \
+    pyqt_plot.py   \
+    pyqt_filter.py
 
 bin_SCRIPTS = \
     gr_plot_char.py \
@@ -43,6 +47,8 @@ bin_SCRIPTS = \
     gr_plot_int.py \
     gr_plot_iq.py \
     gr_plot_short.py \
+    gr_plot_qt.py \
+    gr_filter_design.py \
     lsusrp \
     qr_fft.py \
     usrp_fft.py \
@@ -57,3 +63,4 @@ bin_SCRIPTS = \
     usrp2_rx_cfile.py \
     usrp2_siggen.py \
     usrp2_siggen_gui.py
+
diff --git a/gr-utils/src/python/gr_filter_design.py b/gr-utils/src/python/gr_filter_design.py
new file mode 100755 (executable)
index 0000000..bf83cf6
--- /dev/null
@@ -0,0 +1,673 @@
+#!/usr/bin/env python
+
+import sys, os
+from optparse import OptionParser
+from gnuradio import gr, blks2, eng_notation
+
+try:
+    import scipy
+    from scipy import fftpack
+except ImportError:
+    print "Please install SciPy to run this script (http://www.scipy.org/)"
+    raise SystemExit, 1
+
+try:
+    from PyQt4 import Qt, QtCore, QtGui
+except ImportError:
+    print "Please install PyQt4 to run this script (http://www.riverbankcomputing.co.uk/software/pyqt/download)"
+    raise SystemExit, 1
+
+try:
+    import PyQt4.Qwt5 as Qwt
+except ImportError:
+    print "Please install PyQwt5 to run this script (http://pyqwt.sourceforge.net/)"
+    raise SystemExit, 1
+
+try:
+    from pyqt_filter import Ui_MainWindow
+except ImportError:
+    print "Could not import from pyqt_filter. Please build with \"pyuic4 pyqt_filter.ui -o pyqt_filter.py\""
+    raise SystemExit, 1
+
+
+class gr_plot_filter(QtGui.QMainWindow):
+    def __init__(self, qapp, options):
+        QtGui.QWidget.__init__(self, None)
+        self.gui = Ui_MainWindow()
+        self.gui.setupUi(self)
+
+        self.connect(self.gui.filterTypeComboBox,
+                     Qt.SIGNAL("currentIndexChanged(const QString&)"),
+                     self.changed_filter_type)
+        self.connect(self.gui.filterDesignTypeComboBox,
+                     Qt.SIGNAL("currentIndexChanged(const QString&)"),
+                     self.changed_filter_design_type)
+
+        self.connect(self.gui.designButton,
+                     Qt.SIGNAL("released()"),
+                     self.design)
+
+        self.connect(self.gui.tabGroup,
+                     Qt.SIGNAL("currentChanged(int)"),
+                     self.tab_changed)
+
+        self.connect(self.gui.nfftEdit,
+                     Qt.SIGNAL("textEdited(QString)"),
+                     self.nfft_edit_changed)
+
+        self.gui.designButton.setShortcut(QtCore.Qt.Key_Return)
+
+        self.taps = []
+        self.fftdB = []
+        self.fftDeg = []
+        self.groupDelay = []
+        self.nfftpts = int(10000)
+        self.gui.nfftEdit.setText(Qt.QString("%1").arg(self.nfftpts))
+
+        self.firFilters = ("Low Pass", "Band Pass", "Complex Band Pass", "Band Notch",
+                           "High Pass", "Root Raised Cosine", "Gaussian")
+        self.optFilters = ("Low Pass", "Band Pass", "Complex Band Pass",
+                           "Band Notch", "High Pass")
+        
+        self.set_windowed()
+                
+        # Initialize to LPF
+        self.gui.filterTypeWidget.setCurrentWidget(self.gui.firlpfPage)
+
+        # Set Axis labels
+        self.gui.freqPlot.setAxisTitle(self.gui.freqPlot.xBottom,
+                                       "Frequency (Hz)")
+        self.gui.freqPlot.setAxisTitle(self.gui.freqPlot.yLeft,
+                                       "Magnitude (dB)")
+        self.gui.timePlot.setAxisTitle(self.gui.timePlot.xBottom,
+                                       "Tap number")
+        self.gui.timePlot.setAxisTitle(self.gui.timePlot.yLeft,
+                                       "Amplitude")
+        self.gui.phasePlot.setAxisTitle(self.gui.phasePlot.xBottom,
+                                        "Frequency (Hz)")
+        self.gui.phasePlot.setAxisTitle(self.gui.phasePlot.yLeft,
+                                        "Phase (Radians)")
+        self.gui.groupPlot.setAxisTitle(self.gui.groupPlot.xBottom,
+                                        "Frequency (Hz)")
+        self.gui.groupPlot.setAxisTitle(self.gui.groupPlot.yLeft,
+                                        "Delay (sec)")
+
+        # Set up plot curves
+        self.rcurve = Qwt.QwtPlotCurve("Real")
+        self.rcurve.attach(self.gui.timePlot)
+        self.icurve = Qwt.QwtPlotCurve("Imag")
+        self.icurve.attach(self.gui.timePlot)
+
+        self.freqcurve = Qwt.QwtPlotCurve("PSD")
+        self.freqcurve.attach(self.gui.freqPlot)
+
+        self.phasecurve = Qwt.QwtPlotCurve("Phase")
+        self.phasecurve.attach(self.gui.phasePlot)
+
+        self.groupcurve = Qwt.QwtPlotCurve("Group Delay")
+        self.groupcurve.attach(self.gui.groupPlot)
+
+        # Create zoom functionality for the plots
+        self.timeZoomer = Qwt.QwtPlotZoomer(self.gui.timePlot.xBottom,
+                                            self.gui.timePlot.yLeft,
+                                            Qwt.QwtPicker.PointSelection,
+                                            Qwt.QwtPicker.AlwaysOn,
+                                            self.gui.timePlot.canvas())
+
+        self.freqZoomer = Qwt.QwtPlotZoomer(self.gui.freqPlot.xBottom,
+                                            self.gui.freqPlot.yLeft,
+                                            Qwt.QwtPicker.PointSelection,
+                                            Qwt.QwtPicker.AlwaysOn,
+                                            self.gui.freqPlot.canvas())
+
+        self.phaseZoomer = Qwt.QwtPlotZoomer(self.gui.phasePlot.xBottom,
+                                             self.gui.phasePlot.yLeft,
+                                             Qwt.QwtPicker.PointSelection,
+                                             Qwt.QwtPicker.AlwaysOn,
+                                             self.gui.phasePlot.canvas())
+
+        self.groupZoomer = Qwt.QwtPlotZoomer(self.gui.groupPlot.xBottom,
+                                             self.gui.groupPlot.yLeft,
+                                             Qwt.QwtPicker.PointSelection,
+                                             Qwt.QwtPicker.AlwaysOn,
+                                             self.gui.groupPlot.canvas())
+
+        # Set up pen for colors and line width
+        blue = QtGui.qRgb(0x00, 0x00, 0xFF)
+        blueBrush = Qt.QBrush(Qt.QColor(blue))
+        red = QtGui.qRgb(0xFF, 0x00, 0x00)
+        redBrush = Qt.QBrush(Qt.QColor(red))
+        self.freqcurve.setPen(Qt.QPen(blueBrush, 2))
+        self.rcurve.setPen(Qt.QPen(blueBrush, 2))
+        self.icurve.setPen(Qt.QPen(redBrush, 2))
+        self.phasecurve.setPen(Qt.QPen(blueBrush, 2))
+        self.groupcurve.setPen(Qt.QPen(blueBrush, 2))
+
+        # Set up validators for edit boxes
+        self.intVal = Qt.QIntValidator(None)
+        self.dblVal = Qt.QDoubleValidator(None)
+        self.gui.nfftEdit.setValidator(self.intVal)
+        self.gui.sampleRateEdit.setValidator(self.dblVal)
+        self.gui.filterGainEdit.setValidator(self.dblVal)
+        self.gui.endofLpfPassBandEdit.setValidator(self.dblVal)
+        self.gui.startofLpfStopBandEdit.setValidator(self.dblVal)
+        self.gui.lpfStopBandAttenEdit.setValidator(self.dblVal)
+        self.gui.lpfPassBandRippleEdit.setValidator(self.dblVal)
+        self.gui.startofBpfPassBandEdit.setValidator(self.dblVal)
+        self.gui.endofBpfPassBandEdit.setValidator(self.dblVal)
+        self.gui.bpfTransitionEdit.setValidator(self.dblVal)
+        self.gui.bpfStopBandAttenEdit.setValidator(self.dblVal)
+        self.gui.bpfPassBandRippleEdit.setValidator(self.dblVal)
+        self.gui.startofBnfStopBandEdit.setValidator(self.dblVal)
+        self.gui.endofBnfStopBandEdit.setValidator(self.dblVal)
+        self.gui.bnfTransitionEdit.setValidator(self.dblVal)
+        self.gui.bnfStopBandAttenEdit.setValidator(self.dblVal)
+        self.gui.bnfPassBandRippleEdit.setValidator(self.dblVal)
+        self.gui.endofHpfStopBandEdit.setValidator(self.dblVal)
+        self.gui.startofHpfPassBandEdit.setValidator(self.dblVal)
+        self.gui.hpfStopBandAttenEdit.setValidator(self.dblVal)
+        self.gui.hpfPassBandRippleEdit.setValidator(self.dblVal)
+        self.gui.rrcSymbolRateEdit.setValidator(self.dblVal)
+        self.gui.rrcAlphaEdit.setValidator(self.dblVal)
+        self.gui.rrcNumTapsEdit.setValidator(self.dblVal)
+        self.gui.gausSymbolRateEdit.setValidator(self.dblVal)
+        self.gui.gausBTEdit.setValidator(self.dblVal)
+        self.gui.gausNumTapsEdit.setValidator(self.dblVal)
+
+        self.gui.nTapsEdit.setText("0")
+
+        self.filterWindows = {"Hamming Window" : gr.firdes.WIN_HAMMING,
+                              "Hann Window" : gr.firdes.WIN_HANN,
+                              "Blackman Window" : gr.firdes.WIN_BLACKMAN,
+                              "Rectangular Window" : gr.firdes.WIN_RECTANGULAR,
+                              "Kaiser Window" : gr.firdes.WIN_KAISER,
+                              "Blackman-harris Window" : gr.firdes.WIN_BLACKMAN_hARRIS}
+
+        self.show()
+
+    def changed_filter_type(self, ftype):
+        strftype = str(ftype.toAscii())
+        if(ftype == "Low Pass"):
+            self.gui.filterTypeWidget.setCurrentWidget(self.gui.firlpfPage)
+        elif(ftype == "Band Pass"):
+            self.gui.filterTypeWidget.setCurrentWidget(self.gui.firbpfPage)
+        elif(ftype == "Complex Band Pass"):
+            self.gui.filterTypeWidget.setCurrentWidget(self.gui.firbpfPage)
+        elif(ftype == "Band Notch"):
+            self.gui.filterTypeWidget.setCurrentWidget(self.gui.firbnfPage)
+        elif(ftype == "High Pass"):
+            self.gui.filterTypeWidget.setCurrentWidget(self.gui.firhpfPage)
+        elif(ftype == "Root Raised Cosine"):
+            self.gui.filterTypeWidget.setCurrentWidget(self.gui.rrcPage)
+        elif(ftype == "Gaussian"):
+            self.gui.filterTypeWidget.setCurrentWidget(self.gui.gausPage)
+
+        self.design()
+        
+    def changed_filter_design_type(self, design):
+        if(design == "Equiripple"):
+            self.set_equiripple()
+        else:
+            self.set_windowed()
+            
+        self.design()
+
+    def set_equiripple(self):
+        # Stop sending the signal for this function
+        self.gui.filterTypeComboBox.blockSignals(True)
+        
+        self.equiripple = True
+        self.gui.lpfPassBandRippleLabel.setVisible(True)
+        self.gui.lpfPassBandRippleEdit.setVisible(True)
+        self.gui.bpfPassBandRippleLabel.setVisible(True)
+        self.gui.bpfPassBandRippleEdit.setVisible(True)
+        self.gui.bnfPassBandRippleLabel.setVisible(True)
+        self.gui.bnfPassBandRippleEdit.setVisible(True)
+        self.gui.hpfPassBandRippleLabel.setVisible(True)
+        self.gui.hpfPassBandRippleEdit.setVisible(True)
+
+        # Save current type and repopulate the combo box for
+        # filters this window type can handle
+        currenttype = self.gui.filterTypeComboBox.currentText()
+        items = self.gui.filterTypeComboBox.count()
+        for i in xrange(items):
+            self.gui.filterTypeComboBox.removeItem(0)
+        self.gui.filterTypeComboBox.addItems(self.optFilters)
+
+        # If the last filter type was valid for this window type,
+        # go back to it; otherwise, reset
+        try:
+            index = self.optFilters.index(currenttype)
+            self.gui.filterTypeComboBox.setCurrentIndex(index)
+        except ValueError:
+            pass
+
+        # Tell gui its ok to start sending this signal again
+        self.gui.filterTypeComboBox.blockSignals(False)
+        
+    def set_windowed(self):
+        # Stop sending the signal for this function
+        self.gui.filterTypeComboBox.blockSignals(True)
+        
+        self.equiripple = False
+        self.gui.lpfPassBandRippleLabel.setVisible(False)
+        self.gui.lpfPassBandRippleEdit.setVisible(False)
+        self.gui.bpfPassBandRippleLabel.setVisible(False)
+        self.gui.bpfPassBandRippleEdit.setVisible(False)
+        self.gui.bnfPassBandRippleLabel.setVisible(False)
+        self.gui.bnfPassBandRippleEdit.setVisible(False)
+        self.gui.hpfPassBandRippleLabel.setVisible(False)
+        self.gui.hpfPassBandRippleEdit.setVisible(False)
+
+        # Save current type and repopulate the combo box for
+        # filters this window type can handle
+        currenttype = self.gui.filterTypeComboBox.currentText()
+        items = self.gui.filterTypeComboBox.count()
+        for i in xrange(items):
+            self.gui.filterTypeComboBox.removeItem(0)
+        self.gui.filterTypeComboBox.addItems(self.firFilters)
+
+        # If the last filter type was valid for this window type,
+        # go back to it; otherwise, reset
+        try:
+            index = self.optFilters.index(currenttype)
+            self.gui.filterTypeComboBox.setCurrentIndex(index)
+        except ValueError:
+            pass
+
+        # Tell gui its ok to start sending this signal again
+        self.gui.filterTypeComboBox.blockSignals(False)
+
+    def design(self):
+        ret = True
+        fs,r = self.gui.sampleRateEdit.text().toDouble()
+        ret = r and ret
+        gain,r = self.gui.filterGainEdit.text().toDouble()
+        ret = r and ret
+
+        if(ret):
+            winstr = str(self.gui.filterDesignTypeComboBox.currentText().toAscii())
+            ftype = str(self.gui.filterTypeComboBox.currentText().toAscii())
+
+            if(winstr == "Equiripple"):
+                designer = {"Low Pass" : self.design_opt_lpf,
+                            "Band Pass" : self.design_opt_bpf,
+                            "Complex Band Pass" : self.design_opt_cbpf,
+                            "Band Notch" : self.design_opt_bnf,
+                            "High Pass" :  self.design_opt_hpf}
+                taps,r = designer[ftype](fs, gain)
+
+            else:
+                designer = {"Low Pass" : self.design_win_lpf,
+                            "Band Pass" : self.design_win_bpf,
+                            "Complex Band Pass" : self.design_win_cbpf,
+                            "Band Notch" : self.design_win_bnf,
+                            "High Pass" :  self.design_win_hpf,
+                            "Root Raised Cosine" :  self.design_win_rrc,
+                            "Gaussian" :  self.design_win_gaus}
+                wintype = self.filterWindows[winstr]
+                taps,r = designer[ftype](fs, gain, wintype)
+
+            if(r):
+                self.taps = scipy.array(taps)
+                self.get_fft(fs, self.taps, self.nfftpts)
+                self.update_time_curves()
+                self.update_freq_curves()
+                self.update_phase_curves()
+                self.update_group_curves()
+
+                self.gui.nTapsEdit.setText(Qt.QString("%1").arg(self.taps.size))
+
+
+    # Filter design functions using a window
+    def design_win_lpf(self, fs, gain, wintype):
+        ret = True
+        pb,r = self.gui.endofLpfPassBandEdit.text().toDouble()
+        ret = r and ret
+        sb,r = self.gui.startofLpfStopBandEdit.text().toDouble()
+        ret = r and ret
+        atten,r = self.gui.lpfStopBandAttenEdit.text().toDouble()
+        ret = r and ret
+
+        if(ret):
+            tb = sb - pb
+            
+            taps = gr.firdes.low_pass_2(gain, fs, pb, tb,
+                                        atten, wintype)
+            return (taps, ret)
+        else:
+            return ([], ret)
+    
+    def design_win_bpf(self, fs, gain, wintype):
+        ret = True
+        pb1,r = self.gui.startofBpfPassBandEdit.text().toDouble()
+        ret = r and ret
+        pb2,r = self.gui.endofBpfPassBandEdit.text().toDouble()
+        ret = r and ret
+        tb,r  = self.gui.bpfTransitionEdit.text().toDouble()
+        ret = r and ret
+        atten,r = self.gui.bpfStopBandAttenEdit.text().toDouble()
+        ret = r and ret
+
+        if(r):
+            taps = gr.firdes.band_pass_2(gain, fs, pb1, pb2, tb,
+                                         atten, wintype)
+            return (taps,r)
+        else:
+            return ([],r)
+
+    def design_win_cbpf(self, fs, gain, wintype):
+        ret = True
+        pb1,r = self.gui.startofBpfPassBandEdit.text().toDouble()
+        ret = r and ret
+        pb2,r = self.gui.endofBpfPassBandEdit.text().toDouble()
+        ret = r and ret
+        tb,r  = self.gui.bpfTransitionEdit.text().toDouble()
+        ret = r and ret
+        atten,r = self.gui.bpfStopBandAttenEdit.text().toDouble()
+        ret = r and ret
+
+        if(r):
+            taps = gr.firdes.complex_band_pass_2(gain, fs, pb1, pb2, tb,
+                                                 atten, wintype)
+            return (taps,r)
+        else:
+            return ([],r)
+
+    def design_win_bnf(self, fs, gain, wintype):
+        ret = True
+        pb1,r = self.gui.startofBnfStopBandEdit.text().toDouble()
+        ret = r and ret
+        pb2,r = self.gui.endofBnfStopBandEdit.text().toDouble()
+        ret = r and ret
+        tb,r  = self.gui.bnfTransitionEdit.text().toDouble()
+        ret = r and ret
+        atten,r = self.gui.bnfStopBandAttenEdit.text().toDouble()
+        ret = r and ret
+
+        if(r):
+            taps = gr.firdes.band_reject_2(gain, fs, pb1, pb2, tb,
+                                           atten, wintype)
+            return (taps,r)
+        else:
+            return ([],r)
+
+    def design_win_hpf(self, fs, gain, wintype):
+        ret = True
+        sb,r = self.gui.endofHpfStopBandEdit.text().toDouble()
+        ret = r and ret
+        pb,r = self.gui.startofHpfPassBandEdit.text().toDouble()
+        ret = r and ret
+        atten,r = self.gui.hpfStopBandAttenEdit.text().toDouble()
+        ret = r and ret
+
+        if(r):
+            tb = pb - sb
+            taps = gr.firdes.high_pass_2(gain, fs, pb, tb,
+                                         atten, wintype)            
+            return (taps,r)
+        else:
+            return ([],r)
+
+    def design_win_rrc(self, fs, gain, wintype):
+        ret = True
+        sr,r = self.gui.rrcSymbolRateEdit.text().toDouble()
+        ret = r and ret
+        alpha,r = self.gui.rrcAlphaEdit.text().toDouble()
+        ret = r and ret
+        ntaps,r = self.gui.rrcNumTapsEdit.text().toInt()
+        ret = r and ret
+
+        if(r):
+            taps = gr.firdes.root_raised_cosine(gain, fs, sr,
+                                                alpha, ntaps)
+            return (taps,r)
+        else:
+            return ([],r)
+
+    def design_win_gaus(self, fs, gain, wintype):
+        ret = True
+        sr,r = self.gui.gausSymbolRateEdit.text().toDouble()
+        ret = r and ret
+        bt,r = self.gui.gausBTEdit.text().toDouble()
+        ret = r and ret
+        ntaps,r = self.gui.gausNumTapsEdit.text().toInt()
+        ret = r and ret
+
+        if(r):
+            spb = fs / sr
+            taps = gr.firdes.gaussian(gain, spb, bt, ntaps)
+            return (taps,r)
+        else:
+            return ([],r)
+
+    # Design Functions for Equiripple Filters
+    def design_opt_lpf(self, fs, gain):
+        ret = True
+        pb,r = self.gui.endofLpfPassBandEdit.text().toDouble()
+        ret = r and ret
+        sb,r = self.gui.startofLpfStopBandEdit.text().toDouble()
+        ret = r and ret
+        atten,r = self.gui.lpfStopBandAttenEdit.text().toDouble()
+        ret = r and ret
+        ripple,r = self.gui.lpfPassBandRippleEdit.text().toDouble()
+        ret = r and ret
+
+        if(ret):
+            taps = blks2.optfir.low_pass(gain, fs, pb, sb,
+                                         ripple, atten)
+            return (taps, ret)
+        else:
+            return ([], ret)
+    
+    def design_opt_bpf(self, fs, gain):
+        ret = True
+        pb1,r = self.gui.startofBpfPassBandEdit.text().toDouble()
+        ret = r and ret
+        pb2,r = self.gui.endofBpfPassBandEdit.text().toDouble()
+        ret = r and ret
+        tb,r  = self.gui.bpfTransitionEdit.text().toDouble()
+        ret = r and ret
+        atten,r = self.gui.bpfStopBandAttenEdit.text().toDouble()
+        ret = r and ret
+        ripple,r = self.gui.bpfPassBandRippleEdit.text().toDouble()
+        ret = r and ret
+
+        if(r):
+            sb1 = pb1 - tb
+            sb2 = pb2 + tb
+            taps = blks2.optfir.band_pass(gain, fs, sb1, pb1, pb2, sb2,
+                                          ripple, atten)
+            return (taps,r)
+        else:
+            return ([],r)
+
+    def design_opt_cbpf(self, fs, gain):
+        ret = True
+        pb1,r = self.gui.startofBpfPassBandEdit.text().toDouble()
+        ret = r and ret
+        pb2,r = self.gui.endofBpfPassBandEdit.text().toDouble()
+        ret = r and ret
+        tb,r  = self.gui.bpfTransitionEdit.text().toDouble()
+        ret = r and ret
+        atten,r = self.gui.bpfStopBandAttenEdit.text().toDouble()
+        ret = r and ret
+        ripple,r = self.gui.bpfPassBandRippleEdit.text().toDouble()
+        ret = r and ret
+
+        if(r):
+            sb1 = pb1 - tb
+            sb2 = pb2 + tb
+            taps = blks2.optfir.complex_band_pass(gain, fs, sb1, pb1, pb2, sb2,
+                                                  ripple, atten)
+            return (taps,r)
+        else:
+            return ([],r)
+
+    def design_opt_bnf(self, fs, gain):
+        ret = True
+        sb1,r = self.gui.startofBnfStopBandEdit.text().toDouble()
+        ret = r and ret
+        sb2,r = self.gui.endofBnfStopBandEdit.text().toDouble()
+        ret = r and ret
+        tb,r  = self.gui.bnfTransitionEdit.text().toDouble()
+        ret = r and ret
+        atten,r = self.gui.bnfStopBandAttenEdit.text().toDouble()
+        ret = r and ret
+        ripple,r = self.gui.bnfPassBandRippleEdit.text().toDouble()
+        ret = r and ret
+
+        if(r):
+            pb1 = sb1 - tb
+            pb2 = sb2 + tb
+            taps = blks2.optfir.band_reject(gain, fs, pb1, sb1, sb2, pb2,
+                                            ripple, atten)
+            return (taps,r)
+        else:
+            return ([],r)
+
+    def design_opt_hpf(self, fs, gain):
+        ret = True
+        sb,r = self.gui.endofHpfStopBandEdit.text().toDouble()
+        ret = r and ret
+        pb,r = self.gui.startofHpfPassBandEdit.text().toDouble()
+        ret = r and ret
+        atten,r = self.gui.hpfStopBandAttenEdit.text().toDouble()
+        ret = r and ret
+        ripple,r = self.gui.hpfPassBandRippleEdit.text().toDouble()
+        ret = r and ret
+
+        if(r):
+            taps = blks2.optfir.high_pass(gain, fs, sb, pb,
+                                          atten, ripple)
+            return (taps,r)
+        else:
+            return ([],r)
+
+    def nfft_edit_changed(self, nfft):
+        infft,r = nfft.toInt()
+        if(r and (infft != self.nfftpts)):
+            self.nfftpts = infft
+            self.update_freq_curves()
+
+    def tab_changed(self, tab):
+        if(tab == 0):
+            self.update_freq_curves()
+        if(tab == 1):
+            self.update_time_curves()
+        if(tab == 2):
+            self.update_phase_curves()
+        if(tab == 3):
+            self.update_group_curves()
+        
+    def get_fft(self, fs, taps, Npts):
+        Ts = 1.0/fs
+        fftpts = fftpack.fft(taps, Npts)
+        self.freq = scipy.arange(0, fs, 1.0/(Npts*Ts))        
+        self.fftdB = 20.0*scipy.log10(abs(fftpts))
+        self.fftDeg = scipy.unwrap(scipy.angle(fftpts))
+        self.groupDelay = -scipy.diff(self.fftDeg)
+        
+    def update_time_curves(self):
+        ntaps = len(self.taps)
+        if(ntaps > 0):
+            if(type(self.taps[0]) == scipy.complex128):
+                self.rcurve.setData(scipy.arange(ntaps), self.taps.real)
+                self.icurve.setData(scipy.arange(ntaps), self.taps.imag)
+            else:
+                self.rcurve.setData(scipy.arange(ntaps), self.taps)
+
+            # Reset the x-axis to the new time scale
+            ymax = 1.5 * max(self.taps)
+            ymin = 1.5 * min(self.taps)
+            self.gui.timePlot.setAxisScale(self.gui.timePlot.xBottom,
+                                           0, ntaps)
+            self.gui.timePlot.setAxisScale(self.gui.timePlot.yLeft,
+                                           ymin, ymax)
+            
+            # Set the zoomer base to unzoom to the new axis
+            self.timeZoomer.setZoomBase()
+            
+            self.gui.timePlot.replot()
+        
+    def update_freq_curves(self):
+        npts = len(self.fftdB)
+        if(npts > 0):
+            self.freqcurve.setData(self.freq, self.fftdB)
+            
+            # Reset the x-axis to the new time scale
+            ymax = 1.5 * max(self.fftdB[0:npts/2])
+            ymin = 1.1 * min(self.fftdB[0:npts/2])
+            xmax = self.freq[npts/2]
+            xmin = self.freq[0]
+            self.gui.freqPlot.setAxisScale(self.gui.freqPlot.xBottom,
+                                           xmin, xmax)
+            self.gui.freqPlot.setAxisScale(self.gui.freqPlot.yLeft,
+                                           ymin, ymax)
+            
+            # Set the zoomer base to unzoom to the new axis
+            self.freqZoomer.setZoomBase()
+            
+            self.gui.freqPlot.replot()
+
+
+    def update_phase_curves(self):
+        npts = len(self.fftDeg)
+        if(npts > 0):
+            self.phasecurve.setData(self.freq, self.fftDeg)
+            
+            # Reset the x-axis to the new time scale
+            ymax = 1.5 * max(self.fftDeg[0:npts/2])
+            ymin = 1.1 * min(self.fftDeg[0:npts/2])
+            xmax = self.freq[npts/2]
+            xmin = self.freq[0]
+            self.gui.phasePlot.setAxisScale(self.gui.phasePlot.xBottom,
+                                            xmin, xmax)
+            self.gui.phasePlot.setAxisScale(self.gui.phasePlot.yLeft,
+                                            ymin, ymax)
+            
+            # Set the zoomer base to unzoom to the new axis
+            self.phaseZoomer.setZoomBase()
+            
+            self.gui.phasePlot.replot()
+
+    def update_group_curves(self):
+        npts = len(self.groupDelay)
+        if(npts > 0):
+            self.groupcurve.setData(self.freq, self.groupDelay)
+            
+            # Reset the x-axis to the new time scale
+            ymax = 1.5 * max(self.groupDelay[0:npts/2])
+            ymin = 1.1 * min(self.groupDelay[0:npts/2])
+            xmax = self.freq[npts/2]
+            xmin = self.freq[0]
+            self.gui.groupPlot.setAxisScale(self.gui.groupPlot.xBottom,
+                                            xmin, xmax)
+            self.gui.groupPlot.setAxisScale(self.gui.groupPlot.yLeft,
+                                            ymin, ymax)
+            
+            # Set the zoomer base to unzoom to the new axis
+            self.groupZoomer.setZoomBase()
+            
+            self.gui.groupPlot.replot()
+
+
+def setup_options():
+    usage="%prog: [options] (input_filename)"
+    description = ""
+
+    parser = OptionParser(conflict_handler="resolve",
+                          usage=usage, description=description)
+    return parser
+
+def main(args):
+    parser = setup_options()
+    (options, args) = parser.parse_args ()
+
+    app = Qt.QApplication(args)
+    gplt = gr_plot_filter(app, options)
+    app.exec_()
+
+if __name__ == '__main__':
+    main(sys.argv)
+
diff --git a/gr-utils/src/python/gr_plot_qt.py b/gr-utils/src/python/gr_plot_qt.py
new file mode 100755 (executable)
index 0000000..a5e3463
--- /dev/null
@@ -0,0 +1,643 @@
+#!/usr/bin/env python
+
+try:
+    import scipy
+    from scipy import fftpack
+except ImportError:
+    print "Please install SciPy to run this script (http://www.scipy.org/)"
+    raise SystemExit, 1
+
+import sys, os
+from PyQt4 import Qt, QtCore, QtGui
+import PyQt4.Qwt5 as Qwt
+from matplotlib import mlab
+from optparse import OptionParser
+from gnuradio import eng_notation
+
+from pyqt_plot import Ui_MainWindow
+
+class SpectrogramData(Qwt.QwtRasterData):
+
+    def __init__(self, f, t):
+        Qwt.QwtArrayData.__init__(self, Qt.QRectF(0, 0, 0, 0))
+        self.sp = scipy.array([[0], [0]])
+
+    def set_data(self, xfreq, ytime, data):
+        self.sp = data
+        self.freq = xfreq
+        self.time = ytime
+        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):
+        return Qt.QSize(self.sp.shape[0], self.sp.shape[1])
+        
+    def copy(self):
+        return self
+
+    def range(self):
+        
+        return Qwt.QwtDoubleInterval(self.sp.min(), self.sp.max())
+
+    def value(self, x, y):
+        f = int(self.freq.searchsorted(x))
+        t = int(self.time.searchsorted(y))
+        return self.sp[f][t-1]
+
+
+class gr_plot_qt(QtGui.QMainWindow):
+    def __init__(self, qapp, filename, options, parent=None):
+        QtGui.QWidget.__init__(self, parent)
+        self.gui = Ui_MainWindow()
+        self.gui.setupUi(self)
+                       
+        self.block_length = options.block_length
+        self.start = options.start
+        self.sample_rate = options.sample_rate
+        self.psdfftsize = options.psd_size
+        self.specfftsize = options.spec_size
+        self.winfunc = scipy.blackman
+        self.sizeof_data = 8
+        self.datatype = scipy.complex64
+        self.iq = list()
+        self.time = list()
+
+        # Set up basic plot attributes
+        self.gui.timePlot.setAxisTitle(self.gui.timePlot.xBottom, "Time (sec)")
+        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",
+                         "4096", "8192", "16384", "32768"]
+        self.gui.psdFFTComboBox.addItems(self.fftsizes)
+        self.gui.specFFTComboBox.addItems(self.fftsizes)
+        pos = self.gui.psdFFTComboBox.findText(Qt.QString("%1").arg(self.psdfftsize))
+        self.gui.psdFFTComboBox.setCurrentIndex(pos)
+        pos = self.gui.specFFTComboBox.findText(Qt.QString("%1").arg(self.specfftsize))
+        self.gui.specFFTComboBox.setCurrentIndex(pos)
+
+        self.connect(self.gui.psdFFTComboBox,
+                     Qt.SIGNAL("activated (const QString&)"),
+                     self.psdFFTComboBoxEdit)
+        self.connect(self.gui.specFFTComboBox,
+                     Qt.SIGNAL("activated (const QString&)"),
+                     self.specFFTComboBoxEdit)
+
+        # Set up color scheme box
+        self.color_modes = {"Black on White" : self.color_black_on_white,
+                            "White on Black" : self.color_white_on_black,
+                            "Blue on Black"  : self.color_blue_on_black,
+                            "Green on Black" : self.color_green_on_black}
+        self.gui.colorComboBox.addItems(self.color_modes.keys())
+        pos = self.gui.colorComboBox.findText("Blue on Black")
+        self.gui.colorComboBox.setCurrentIndex(pos)
+        self.connect(self.gui.colorComboBox,
+                     Qt.SIGNAL("activated (const QString&)"),
+                     self.colorComboBoxEdit)
+        
+        
+        # Create zoom functionality for the plots
+        self.timeZoomer = Qwt.QwtPlotZoomer(self.gui.timePlot.xBottom,
+                                            self.gui.timePlot.yLeft,
+                                            Qwt.QwtPicker.PointSelection,
+                                            Qwt.QwtPicker.AlwaysOn,
+                                            self.gui.timePlot.canvas())
+
+        self.freqZoomer = Qwt.QwtPlotZoomer(self.gui.freqPlot.xBottom,
+                                            self.gui.freqPlot.yLeft,
+                                            Qwt.QwtPicker.PointSelection,
+                                            Qwt.QwtPicker.AlwaysOn,
+                                            self.gui.freqPlot.canvas())
+
+        self.specZoomer = Qwt.QwtPlotZoomer(self.gui.specPlot.xBottom,
+                                            self.gui.specPlot.yLeft,
+                                            Qwt.QwtPicker.PointSelection,
+                                            Qwt.QwtPicker.AlwaysOn,
+                                            self.gui.specPlot.canvas())
+
+        self.picker = Qwt.QwtPlotPicker(self.gui.timePlot.xBottom,
+                                        self.gui.timePlot.yLeft,
+                                        Qwt.QwtPicker.PointSelection,
+                                        Qwt.QwtPlotPicker.CrossRubberBand,
+                                        Qwt.QwtPicker.AlwaysOn,
+                                        self.gui.timePlot.canvas())
+        self.picker.connect(self.picker,
+                            Qt.SIGNAL('selected(const QwtDoublePoint&)'),
+                            self.clickMe)
+
+        # Set up action when tab is changed
+        self.connect(self.gui.tabGroup,
+                     Qt.SIGNAL("currentChanged (int)"),
+                     self.tabChanged)
+
+        # Add a legend to the Time plot
+        legend_real = Qwt.QwtLegend()
+        self.gui.timePlot.insertLegend(legend_real)
+
+        # Set up slider
+        self.gui.plotHBar.setSingleStep(1)
+        self.gui.plotHBar.setPageStep(self.block_length)
+        self.gui.plotHBar.setMinimum(0)
+        self.gui.plotHBar.setMaximum(self.block_length)
+        self.connect(self.gui.plotHBar,
+                     Qt.SIGNAL("valueChanged(int)"),
+                     self.sliderMoved)
+
+        # Connect Open action to Open Dialog box
+        self.connect(self.gui.action_open,
+                     Qt.SIGNAL("activated()"),
+                     self.open_file)
+        
+        # Set up file position boxes to update current figure
+        self.connect(self.gui.filePosStartLineEdit,
+                     Qt.SIGNAL("editingFinished()"),
+                     self.file_position_changed)
+        self.connect(self.gui.filePosStopLineEdit,
+                     Qt.SIGNAL("editingFinished()"),
+                     self.file_position_changed)
+        self.connect(self.gui.filePosLengthLineEdit,
+                     Qt.SIGNAL("editingFinished()"),
+                     self.file_length_changed)
+
+        self.connect(self.gui.fileTimeStartLineEdit,
+                     Qt.SIGNAL("editingFinished()"),
+                     self.file_time_changed)
+        self.connect(self.gui.fileTimeStopLineEdit,
+                     Qt.SIGNAL("editingFinished()"),
+                     self.file_time_changed)
+        self.connect(self.gui.fileTimeLengthLineEdit,
+                     Qt.SIGNAL("editingFinished()"),
+                     self.file_time_length_changed)
+
+        self.rcurve = Qwt.QwtPlotCurve("Real")
+        self.icurve = Qwt.QwtPlotCurve("Imaginary")
+
+        self.icurve.attach(self.gui.timePlot)
+        self.rcurve.attach(self.gui.timePlot)
+
+        self.psdcurve = Qwt.QwtPlotCurve("PSD")
+        self.psdcurve.attach(self.gui.freqPlot)
+
+        # Set up specTab plot as a spectrogram
+        self.specdata = SpectrogramData(range(0, 10), range(0, 10))
+
+        colorMap = Qwt.QwtLinearColorMap(Qt.Qt.darkCyan, Qt.Qt.red)
+        colorMap.addColorStop(0.1, Qt.Qt.cyan)
+        colorMap.addColorStop(0.6, Qt.Qt.green)
+        colorMap.addColorStop(0.95, Qt.Qt.yellow)
+
+        self.spec = Qwt.QwtPlotSpectrogram()
+        self.spec.setColorMap(colorMap)
+        self.spec.attach(self.gui.specPlot)
+        self.spec.setDisplayMode(Qwt.QwtPlotSpectrogram.ImageMode, True)
+        self.spec.setData(self.specdata)
+
+        self.rightAxis = self.gui.specPlot.axisWidget(Qwt.QwtPlot.yRight)
+        self.rightAxis.setTitle("Magnitude (dBm)")
+        self.rightAxis.setColorBarEnabled(True)
+        self.rightAxis.setColorMap(self.spec.data().range(),
+                                   self.spec.colorMap())
+        self.gui.specPlot.enableAxis(Qwt.QwtPlot.yRight)
+
+        # 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()"),
+                     self.sample_rate_changed)
+
+        if(filename is not None):
+            self.initialize(filename)
+
+        self.show()
+
+    def open_file(self):
+        filename = Qt.QFileDialog.getOpenFileName(self, "Open", ".")
+        if(filename != ""):
+            print filename
+            self.initialize(filename)
+
+    def initialize(self, filename):
+        self.hfile = open(filename, "r")
+
+        self.setWindowTitle(("GNU Radio File Plot Utility: %s" % filename))
+
+        self.gui.filePosStartLineEdit.setText("0")
+        self.gui.filePosStopLineEdit.setText("0")
+        self.gui.fileTimeStartLineEdit.setText("0")
+        self.gui.fileTimeStopLineEdit.setText("0")
+
+        self.cur_start = 0
+        self.cur_stop = self.block_length
+
+        self.init_data_input()
+        self.get_data(self.cur_start, self.cur_stop)
+        self.get_psd()
+        self.get_specgram() 
+        self.gui.plotHBar.setSliderPosition(0)
+        self.gui.plotHBar.setMaximum(self.signal_size)
+
+
+        self.update_time_curves()
+        self.update_psd_curves()
+        self.update_specgram_curves()
+
+    def init_data_input(self):
+        self.hfile.seek(0, os.SEEK_END)
+        self.signal_size = self.hfile.tell()/self.sizeof_data
+        print "Sizeof File: ", self.signal_size
+        self.hfile.seek(0, os.SEEK_SET)
+        
+    def get_data(self, start, end):
+        if(end > start):
+            self.hfile.seek(start*self.sizeof_data, os.SEEK_SET)
+            self.position = start
+            try:
+                iq = scipy.fromfile(self.hfile, dtype=self.datatype,
+                                    count=end-start)
+
+                if(len(iq) < (end-start)):
+                    end = len(iq)
+                    self.gui.filePosLengthLineEdit.setText(Qt.QString("%1").arg(end))
+                    self.gui.plotHBar.setMaximum(end)
+                    self.gui.plotHBar.setSingleStep(end)
+                    self.file_length_changed()
+
+                tstep = 1.0 / self.sample_rate
+                self.iq = iq
+                self.time = [tstep*(self.position + i) for i in xrange(len(self.iq))]
+
+                self.set_file_pos_box(start, end)
+            except MemoryError:
+                pass
+        else:
+            # Do we want to do anything about this?
+            pass
+
+    def get_psd(self):
+        winpoints = self.winfunc(self.psdfftsize)
+        iq_psd, freq = mlab.psd(self.iq, Fs=self.sample_rate,
+                                NFFT=self.psdfftsize,
+                                noverlap=self.psdfftsize/4.0,
+                                window=winpoints,
+                                scale_by_freq=False)
+
+        self.iq_psd = 10.0*scipy.log10(abs(fftpack.fftshift(iq_psd)))
+        self.freq = freq - self.sample_rate/2.0
+
+    def get_specgram(self):
+        winpoints = self.winfunc(self.specfftsize)
+        iq_spec, f, t = mlab.specgram(self.iq, Fs=self.sample_rate,
+                                      NFFT=self.specfftsize,
+                                      noverlap=self.specfftsize/4.0,
+                                      window=winpoints,
+                                      scale_by_freq=False)
+        
+        self.iq_spec = 10.0*scipy.log10(abs(iq_spec))
+        self.spec_f = f
+        self.spec_t = t
+
+    def clickMe(self, qPoint):
+        print qPoint.x()
+
+    def psdFFTComboBoxEdit(self, fftSize):
+        self.psdfftsize = fftSize.toInt()[0]
+        self.get_psd()
+        self.update_psd_curves()
+
+    def specFFTComboBoxEdit(self, fftSize):
+        self.specfftsize = fftSize.toInt()[0]
+        self.get_specgram()
+        self.update_specgram_curves()
+        
+    def colorComboBoxEdit(self, colorSelection):
+        colorstr = str(colorSelection.toAscii())
+        color_func = self.color_modes[colorstr]
+        color_func()
+
+    def sliderMoved(self, value):
+        pos_start = value
+        pos_end = value + self.gui.plotHBar.pageStep()
+
+        self.get_data(pos_start, pos_end)
+        self.get_psd()
+        self.get_specgram()
+        self.update_time_curves()
+        self.update_psd_curves()
+        self.update_specgram_curves()
+
+    def set_sample_rate(self, sr):
+        self.sample_rate = sr
+        srstr = eng_notation.num_to_str(self.sample_rate)
+        self.gui.sampleRateLineEdit.setText(Qt.QString("%1").arg(srstr))
+
+    def sample_rate_changed(self):
+        srstr = self.gui.sampleRateLineEdit.text().toAscii()
+        self.sample_rate = eng_notation.str_to_num(srstr)
+        self.set_file_pos_box(self.cur_start, self.cur_stop)
+        self.get_data(self.cur_start, self.cur_stop)
+        self.get_psd()
+        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
+        tend = end / self.sample_rate
+
+        self.gui.filePosStartLineEdit.setText(Qt.QString("%1").arg(start))
+        self.gui.filePosStopLineEdit.setText(Qt.QString("%1").arg(end))
+        self.gui.filePosLengthLineEdit.setText(Qt.QString("%1").arg(end-start))
+
+        self.gui.fileTimeStartLineEdit.setText(Qt.QString("%1").arg(tstart))
+        self.gui.fileTimeStopLineEdit.setText(Qt.QString("%1").arg(tend))
+        self.gui.fileTimeLengthLineEdit.setText(Qt.QString("%1").arg(tend-tstart))
+
+    def file_position_changed(self):
+        start  = self.gui.filePosStartLineEdit.text().toInt()
+        end    = self.gui.filePosStopLineEdit.text().toInt()
+        if((start[1] == True) and (end[1] == True)):
+            self.cur_start = start[0]
+            self.cur_stop = end[0]
+
+            tstart = self.cur_start / self.sample_rate
+            tend = self.cur_stop / self.sample_rate
+            self.gui.fileTimeStartLineEdit.setText(Qt.QString("%1").arg(tstart))
+            self.gui.fileTimeStopLineEdit.setText(Qt.QString("%1").arg(tend))
+            
+            self.get_data(self.cur_start, self.cur_stop)
+
+            self.update_time_curves()
+            self.update_psd_curves()
+            self.update_specgram_curves()
+
+        # If there's a non-digit character, reset box
+        else:
+            self.set_file_pos_box(self.cur_start, self.cur_stop)
+
+    def file_time_changed(self):
+        tstart = self.gui.fileTimeStartLineEdit.text().toDouble()
+        tstop  = self.gui.fileTimeStopLineEdit.text().toDouble()
+        if((tstart[1] == True) and (tstop[1] == True)):
+            self.cur_start = int(tstart[0] * self.sample_rate)
+            self.cur_stop = int(tstop[0] * self.sample_rate)
+            self.get_data(self.cur_start, self.cur_stop)
+
+            self.gui.filePosStartLineEdit.setText(Qt.QString("%1").arg(self.cur_start))
+            self.gui.filePosStopLineEdit.setText(Qt.QString("%1").arg(self.cur_stop))
+
+            self.update_time_curves()
+            self.update_psd_curves()
+            self.update_specgram_curves()
+        # If there's a non-digit character, reset box
+        else:
+            self.set_file_pos_box(self.cur_start, self.cur_stop)
+
+    def file_length_changed(self):
+        start = self.gui.filePosStartLineEdit.text().toInt()
+        length = self.gui.filePosLengthLineEdit.text().toInt()
+
+        if((start[1] == True) and (length[1] == True)):
+            self.cur_start = start[0]
+            self.block_length = length[0]
+            self.cur_stop = self.cur_start + self.block_length
+
+            tstart = self.cur_start / self.sample_rate
+            tend = self.cur_stop / self.sample_rate
+            tlen = self.block_length / self.sample_rate
+            self.gui.fileTimeStartLineEdit.setText(Qt.QString("%1").arg(tstart))
+            self.gui.fileTimeStopLineEdit.setText(Qt.QString("%1").arg(tend))
+            self.gui.fileTimeLengthLineEdit.setText(Qt.QString("%1").arg(tlen))
+
+            self.gui.plotHBar.setPageStep(self.block_length)
+
+            self.get_data(self.cur_start, self.cur_stop)
+            self.get_psd()
+            self.get_specgram()
+
+            self.update_time_curves()
+            self.update_psd_curves()
+            self.update_specgram_curves()
+        # If there's a non-digit character, reset box
+        else:
+            self.set_file_pos_box(self.cur_start, self.cur_stop)
+
+    def file_time_length_changed(self):
+        tstart = self.gui.fileTimeStartLineEdit.text().toDouble()
+        tlength = self.gui.fileTimeLengthLineEdit.text().toDouble()
+        if((tstart[1] == True) and (tlength[1] == True)):
+            self.cur_start = int(tstart[0] * self.sample_rate)
+            self.block_length = int(tlength[0] * self.sample_rate)
+            self.cur_stop = self.cur_start + self.block_length
+
+            tstart = self.cur_start / self.sample_rate
+            tend = self.cur_stop / self.sample_rate
+            tlen = self.block_length / self.sample_rate
+            self.gui.fileTimeStartLineEdit.setText(Qt.QString("%1").arg(tstart))
+            self.gui.fileTimeStopLineEdit.setText(Qt.QString("%1").arg(tend))
+            self.gui.fileTimeLengthLineEdit.setText(Qt.QString("%1").arg(tlen))
+
+            self.get_data(self.cur_start, self.cur_stop)
+            self.get_psd()
+            self.get_specgram()
+
+            self.update_time_curves()
+            self.update_psd_curves()
+            self.update_specgram_curves()
+        # If there's a non-digit character, reset box
+        else:
+            self.set_file_pos_box(self.cur_start, self.cur_stop)
+
+
+    def update_time_curves(self):
+        self.icurve.setData(self.time, self.iq.imag)
+        self.rcurve.setData(self.time, self.iq.real)
+
+        # Reset the x-axis to the new time scale
+        iqmax = 1.5 * max(max(self.iq.real), max(self.iq.imag))
+        iqmin = 1.5 * min(min(self.iq.real), min(self.iq.imag))
+        self.gui.timePlot.setAxisScale(self.gui.timePlot.xBottom,
+                                       min(self.time),
+                                       max(self.time))
+        self.gui.timePlot.setAxisScale(self.gui.timePlot.yLeft,
+                                       iqmin,
+                                       iqmax)
+
+        # Set the zoomer base to unzoom to the new axis
+        self.timeZoomer.setZoomBase()
+    
+        self.gui.timePlot.replot()
+        
+    def update_psd_curves(self):
+        self.psdcurve.setData(self.freq, self.iq_psd)
+
+        self.gui.freqPlot.setAxisScale(self.gui.freqPlot.xBottom,
+                                       min(self.freq),
+                                       max(self.freq))
+                                       
+        # Set the zoomer base to unzoom to the new axis
+        self.freqZoomer.setZoomBase()
+
+        self.gui.freqPlot.replot()
+
+    def update_specgram_curves(self):
+        # We don't have to reset the data for the speccurve here
+        # since this is taken care of in the SpectrogramData class
+        self.specdata.set_data(self.spec_f, self.spec_t, self.iq_spec)
+
+        # Set the color map based on the new data
+        self.rightAxis.setColorMap(self.spec.data().range(),
+                                   self.spec.colorMap())
+
+        # Set the new axis base; include right axis for the intenisty color bar
+        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))
+        self.gui.specPlot.setAxisScale(self.gui.specPlot.yRight, 
+                                       self.iq_spec.min(),
+                                       self.iq_spec.max())
+        # Set the zoomer base to unzoom to the new axis
+        self.specZoomer.setZoomBase()
+
+        self.gui.specPlot.replot()
+
+    def tabChanged(self, index):
+        self.gui.timePlot.replot()
+        self.gui.freqPlot.replot()
+
+    def color_black_on_white(self):
+        blue = QtGui.qRgb(0x00, 0x00, 0xFF)
+        red = QtGui.qRgb(0xFF, 0x00, 0x00)
+
+        blackBrush = Qt.QBrush(Qt.QColor("black"))
+        blueBrush = Qt.QBrush(Qt.QColor(blue))
+        redBrush = Qt.QBrush(Qt.QColor(red))
+
+        self.gui.timePlot.setCanvasBackground(Qt.QColor("white"))
+        self.gui.freqPlot.setCanvasBackground(Qt.QColor("white"))
+        self.picker.setTrackerPen(Qt.QPen(blackBrush, 2))
+        self.timeZoomer.setTrackerPen(Qt.QPen(blackBrush, 2))
+        self.timeZoomer.setRubberBandPen(Qt.QPen(blackBrush, 2))
+        self.freqZoomer.setTrackerPen(Qt.QPen(blackBrush, 2))
+        self.freqZoomer.setRubberBandPen(Qt.QPen(blackBrush, 2))
+        self.psdcurve.setPen(Qt.QPen(blueBrush, 1))
+        self.rcurve.setPen(Qt.QPen(blueBrush, 2))
+        self.icurve.setPen(Qt.QPen(redBrush, 2))
+
+        self.gui.timePlot.replot()
+        self.gui.freqPlot.replot()
+
+    def color_white_on_black(self):
+        white = QtGui.qRgb(0xFF, 0xFF, 0xFF)
+        red = QtGui.qRgb(0xFF, 0x00, 0x00)
+
+        whiteBrush = Qt.QBrush(Qt.QColor("white"))
+        whiteBrush = Qt.QBrush(Qt.QColor(white))
+        redBrush = Qt.QBrush(Qt.QColor(red))
+        
+        self.gui.timePlot.setCanvasBackground(QtGui.QColor("black"))
+        self.gui.freqPlot.setCanvasBackground(QtGui.QColor("black"))
+        self.picker.setTrackerPen(Qt.QPen(whiteBrush, 2))
+        self.timeZoomer.setTrackerPen(Qt.QPen(whiteBrush, 2))
+        self.timeZoomer.setRubberBandPen(Qt.QPen(whiteBrush, 2))
+        self.freqZoomer.setTrackerPen(Qt.QPen(whiteBrush, 2))
+        self.freqZoomer.setRubberBandPen(Qt.QPen(whiteBrush, 2))
+        self.psdcurve.setPen(Qt.QPen(whiteBrush, 1))
+        self.rcurve.setPen(Qt.QPen(whiteBrush, 2))
+        self.icurve.setPen(Qt.QPen(redBrush, 2))
+
+        self.gui.timePlot.replot()
+        self.gui.freqPlot.replot()
+
+
+    def color_green_on_black(self):
+        green = QtGui.qRgb(0x00, 0xFF, 0x00)
+        red = QtGui.qRgb(0xFF, 0x00, 0x50)
+
+        whiteBrush = Qt.QBrush(Qt.QColor("white"))
+        greenBrush = Qt.QBrush(Qt.QColor(green))
+        redBrush = Qt.QBrush(Qt.QColor(red))
+        
+        self.gui.timePlot.setCanvasBackground(QtGui.QColor("black"))
+        self.gui.freqPlot.setCanvasBackground(QtGui.QColor("black"))
+        self.picker.setTrackerPen(Qt.QPen(whiteBrush, 2))
+        self.timeZoomer.setTrackerPen(Qt.QPen(whiteBrush, 2))
+        self.timeZoomer.setRubberBandPen(Qt.QPen(whiteBrush, 2))
+        self.freqZoomer.setTrackerPen(Qt.QPen(whiteBrush, 2))
+        self.freqZoomer.setRubberBandPen(Qt.QPen(whiteBrush, 2))
+        self.psdcurve.setPen(Qt.QPen(greenBrush, 1))
+        self.rcurve.setPen(Qt.QPen(greenBrush, 2))
+        self.icurve.setPen(Qt.QPen(redBrush, 2))
+
+        self.gui.timePlot.replot()
+        self.gui.freqPlot.replot()
+
+    def color_blue_on_black(self):
+        blue = QtGui.qRgb(0x00, 0x00, 0xFF)
+        red = QtGui.qRgb(0xFF, 0x00, 0x00)
+
+        whiteBrush = Qt.QBrush(Qt.QColor("white"))
+        blueBrush = Qt.QBrush(Qt.QColor(blue))
+        redBrush = Qt.QBrush(Qt.QColor(red))
+        
+        self.gui.timePlot.setCanvasBackground(QtGui.QColor("black"))
+        self.gui.freqPlot.setCanvasBackground(QtGui.QColor("black"))
+        self.picker.setTrackerPen(Qt.QPen(whiteBrush, 2))
+        self.timeZoomer.setTrackerPen(Qt.QPen(whiteBrush, 2))
+        self.timeZoomer.setRubberBandPen(Qt.QPen(whiteBrush, 2))
+        self.freqZoomer.setTrackerPen(Qt.QPen(whiteBrush, 2))
+        self.freqZoomer.setRubberBandPen(Qt.QPen(whiteBrush, 2))
+        self.psdcurve.setPen(Qt.QPen(blueBrush, 1))
+        self.rcurve.setPen(Qt.QPen(blueBrush, 2))
+        self.icurve.setPen(Qt.QPen(redBrush, 2))
+
+        self.gui.timePlot.replot()
+        self.gui.freqPlot.replot()
+
+def setup_options():
+    usage="%prog: [options] (input_filename)"
+    description = ""
+
+    parser = OptionParser(conflict_handler="resolve", usage=usage, description=description)
+    parser.add_option("-B", "--block-length", type="int", default=8192,
+                      help="Specify the block size [default=%default]")
+    parser.add_option("-s", "--start", type="int", default=0,
+                      help="Specify where to start in the file [default=%default]")
+    parser.add_option("-R", "--sample-rate", type="float", default=1.0,
+                      help="Set the sampler rate of the data [default=%default]")
+    parser.add_option("", "--psd-size", type="int", default=2048,
+                      help="Set the size of the PSD FFT [default=%default]")
+    parser.add_option("", "--spec-size", type="int", default=2048,
+                      help="Set the size of the spectrogram FFT [default=%default]")
+
+    return parser
+
+def main(args):
+    parser = setup_options()
+    (options, args) = parser.parse_args ()
+
+    if(len(args) == 1):
+        filename = args[0]
+    else:
+        filename = None
+
+    app = Qt.QApplication(args)
+    gplt = gr_plot_qt(app, filename, options)
+    app.exec_()
+
+if __name__ == '__main__':
+    main(sys.argv)
+
diff --git a/gr-utils/src/python/pyqt_filter.py b/gr-utils/src/python/pyqt_filter.py
new file mode 100644 (file)
index 0000000..12ad183
--- /dev/null
@@ -0,0 +1,426 @@
+# -*- coding: utf-8 -*-
+
+# Form implementation generated from reading ui file 'pyqt_filter.ui'
+#
+# Created: Tue Aug 25 11:13:57 2009
+#      by: PyQt4 UI code generator 4.4.3
+#
+# WARNING! All changes made in this file will be lost!
+
+from PyQt4 import QtCore, QtGui
+
+class Ui_MainWindow(object):
+    def setupUi(self, MainWindow):
+        MainWindow.setObjectName("MainWindow")
+        MainWindow.resize(1124, 696)
+        self.centralwidget = QtGui.QWidget(MainWindow)
+        self.centralwidget.setObjectName("centralwidget")
+        self.gridLayout = QtGui.QGridLayout(self.centralwidget)
+        self.gridLayout.setObjectName("gridLayout")
+        self.filterFrame = QtGui.QFrame(self.centralwidget)
+        self.filterFrame.setMinimumSize(QtCore.QSize(300, 0))
+        self.filterFrame.setMaximumSize(QtCore.QSize(300, 16777215))
+        self.filterFrame.setFrameShape(QtGui.QFrame.StyledPanel)
+        self.filterFrame.setFrameShadow(QtGui.QFrame.Raised)
+        self.filterFrame.setObjectName("filterFrame")
+        self.verticalLayout = QtGui.QVBoxLayout(self.filterFrame)
+        self.verticalLayout.setObjectName("verticalLayout")
+        self.filterTypeComboBox = QtGui.QComboBox(self.filterFrame)
+        self.filterTypeComboBox.setObjectName("filterTypeComboBox")
+        self.filterTypeComboBox.addItem(QtCore.QString())
+        self.filterTypeComboBox.addItem(QtCore.QString())
+        self.filterTypeComboBox.addItem(QtCore.QString())
+        self.filterTypeComboBox.addItem(QtCore.QString())
+        self.filterTypeComboBox.addItem(QtCore.QString())
+        self.filterTypeComboBox.addItem(QtCore.QString())
+        self.filterTypeComboBox.addItem(QtCore.QString())
+        self.verticalLayout.addWidget(self.filterTypeComboBox)
+        self.filterDesignTypeComboBox = QtGui.QComboBox(self.filterFrame)
+        self.filterDesignTypeComboBox.setObjectName("filterDesignTypeComboBox")
+        self.filterDesignTypeComboBox.addItem(QtCore.QString())
+        self.filterDesignTypeComboBox.addItem(QtCore.QString())
+        self.filterDesignTypeComboBox.addItem(QtCore.QString())
+        self.filterDesignTypeComboBox.addItem(QtCore.QString())
+        self.filterDesignTypeComboBox.addItem(QtCore.QString())
+        self.filterDesignTypeComboBox.addItem(QtCore.QString())
+        self.filterDesignTypeComboBox.addItem(QtCore.QString())
+        self.verticalLayout.addWidget(self.filterDesignTypeComboBox)
+        self.globalParamsLayout = QtGui.QFormLayout()
+        self.globalParamsLayout.setFieldGrowthPolicy(QtGui.QFormLayout.AllNonFixedFieldsGrow)
+        self.globalParamsLayout.setObjectName("globalParamsLayout")
+        self.sampleRateLabel = QtGui.QLabel(self.filterFrame)
+        self.sampleRateLabel.setMaximumSize(QtCore.QSize(16777215, 30))
+        self.sampleRateLabel.setObjectName("sampleRateLabel")
+        self.globalParamsLayout.setWidget(0, QtGui.QFormLayout.LabelRole, self.sampleRateLabel)
+        self.sampleRateEdit = QtGui.QLineEdit(self.filterFrame)
+        self.sampleRateEdit.setMaximumSize(QtCore.QSize(16777215, 30))
+        self.sampleRateEdit.setObjectName("sampleRateEdit")
+        self.globalParamsLayout.setWidget(0, QtGui.QFormLayout.FieldRole, self.sampleRateEdit)
+        self.filterGainLabel = QtGui.QLabel(self.filterFrame)
+        self.filterGainLabel.setObjectName("filterGainLabel")
+        self.globalParamsLayout.setWidget(1, QtGui.QFormLayout.LabelRole, self.filterGainLabel)
+        self.filterGainEdit = QtGui.QLineEdit(self.filterFrame)
+        self.filterGainEdit.setObjectName("filterGainEdit")
+        self.globalParamsLayout.setWidget(1, QtGui.QFormLayout.FieldRole, self.filterGainEdit)
+        self.verticalLayout.addLayout(self.globalParamsLayout)
+        self.filterTypeWidget = QtGui.QStackedWidget(self.filterFrame)
+        self.filterTypeWidget.setObjectName("filterTypeWidget")
+        self.firlpfPage = QtGui.QWidget()
+        self.firlpfPage.setObjectName("firlpfPage")
+        self.formLayout = QtGui.QFormLayout(self.firlpfPage)
+        self.formLayout.setObjectName("formLayout")
+        self.endofLpfPassBandLabel = QtGui.QLabel(self.firlpfPage)
+        self.endofLpfPassBandLabel.setObjectName("endofLpfPassBandLabel")
+        self.formLayout.setWidget(0, QtGui.QFormLayout.LabelRole, self.endofLpfPassBandLabel)
+        self.endofLpfPassBandEdit = QtGui.QLineEdit(self.firlpfPage)
+        self.endofLpfPassBandEdit.setObjectName("endofLpfPassBandEdit")
+        self.formLayout.setWidget(0, QtGui.QFormLayout.FieldRole, self.endofLpfPassBandEdit)
+        self.startofLpfStopBandLabel = QtGui.QLabel(self.firlpfPage)
+        self.startofLpfStopBandLabel.setObjectName("startofLpfStopBandLabel")
+        self.formLayout.setWidget(1, QtGui.QFormLayout.LabelRole, self.startofLpfStopBandLabel)
+        self.startofLpfStopBandEdit = QtGui.QLineEdit(self.firlpfPage)
+        self.startofLpfStopBandEdit.setObjectName("startofLpfStopBandEdit")
+        self.formLayout.setWidget(1, QtGui.QFormLayout.FieldRole, self.startofLpfStopBandEdit)
+        self.lpfStopBandAttenLabel = QtGui.QLabel(self.firlpfPage)
+        self.lpfStopBandAttenLabel.setObjectName("lpfStopBandAttenLabel")
+        self.formLayout.setWidget(2, QtGui.QFormLayout.LabelRole, self.lpfStopBandAttenLabel)
+        self.lpfStopBandAttenEdit = QtGui.QLineEdit(self.firlpfPage)
+        self.lpfStopBandAttenEdit.setObjectName("lpfStopBandAttenEdit")
+        self.formLayout.setWidget(2, QtGui.QFormLayout.FieldRole, self.lpfStopBandAttenEdit)
+        self.lpfPassBandRippleEdit = QtGui.QLineEdit(self.firlpfPage)
+        self.lpfPassBandRippleEdit.setObjectName("lpfPassBandRippleEdit")
+        self.formLayout.setWidget(3, QtGui.QFormLayout.FieldRole, self.lpfPassBandRippleEdit)
+        self.lpfPassBandRippleLabel = QtGui.QLabel(self.firlpfPage)
+        self.lpfPassBandRippleLabel.setObjectName("lpfPassBandRippleLabel")
+        self.formLayout.setWidget(3, QtGui.QFormLayout.LabelRole, self.lpfPassBandRippleLabel)
+        self.filterTypeWidget.addWidget(self.firlpfPage)
+        self.firbpfPage = QtGui.QWidget()
+        self.firbpfPage.setObjectName("firbpfPage")
+        self.formLayout_2 = QtGui.QFormLayout(self.firbpfPage)
+        self.formLayout_2.setObjectName("formLayout_2")
+        self.startofBpfPassBandLabel = QtGui.QLabel(self.firbpfPage)
+        self.startofBpfPassBandLabel.setObjectName("startofBpfPassBandLabel")
+        self.formLayout_2.setWidget(0, QtGui.QFormLayout.LabelRole, self.startofBpfPassBandLabel)
+        self.startofBpfPassBandEdit = QtGui.QLineEdit(self.firbpfPage)
+        self.startofBpfPassBandEdit.setObjectName("startofBpfPassBandEdit")
+        self.formLayout_2.setWidget(0, QtGui.QFormLayout.FieldRole, self.startofBpfPassBandEdit)
+        self.endofBpfPassBandLabel = QtGui.QLabel(self.firbpfPage)
+        self.endofBpfPassBandLabel.setObjectName("endofBpfPassBandLabel")
+        self.formLayout_2.setWidget(1, QtGui.QFormLayout.LabelRole, self.endofBpfPassBandLabel)
+        self.endofBpfPassBandEdit = QtGui.QLineEdit(self.firbpfPage)
+        self.endofBpfPassBandEdit.setObjectName("endofBpfPassBandEdit")
+        self.formLayout_2.setWidget(1, QtGui.QFormLayout.FieldRole, self.endofBpfPassBandEdit)
+        self.bpfStopBandAttenEdit = QtGui.QLineEdit(self.firbpfPage)
+        self.bpfStopBandAttenEdit.setObjectName("bpfStopBandAttenEdit")
+        self.formLayout_2.setWidget(3, QtGui.QFormLayout.FieldRole, self.bpfStopBandAttenEdit)
+        self.bpfStopBandAttenLabel = QtGui.QLabel(self.firbpfPage)
+        self.bpfStopBandAttenLabel.setObjectName("bpfStopBandAttenLabel")
+        self.formLayout_2.setWidget(3, QtGui.QFormLayout.LabelRole, self.bpfStopBandAttenLabel)
+        self.bpfTransitionLabel = QtGui.QLabel(self.firbpfPage)
+        self.bpfTransitionLabel.setObjectName("bpfTransitionLabel")
+        self.formLayout_2.setWidget(2, QtGui.QFormLayout.LabelRole, self.bpfTransitionLabel)
+        self.bpfTransitionEdit = QtGui.QLineEdit(self.firbpfPage)
+        self.bpfTransitionEdit.setObjectName("bpfTransitionEdit")
+        self.formLayout_2.setWidget(2, QtGui.QFormLayout.FieldRole, self.bpfTransitionEdit)
+        self.bpfPassBandRippleEdit = QtGui.QLineEdit(self.firbpfPage)
+        self.bpfPassBandRippleEdit.setObjectName("bpfPassBandRippleEdit")
+        self.formLayout_2.setWidget(4, QtGui.QFormLayout.FieldRole, self.bpfPassBandRippleEdit)
+        self.bpfPassBandRippleLabel = QtGui.QLabel(self.firbpfPage)
+        self.bpfPassBandRippleLabel.setObjectName("bpfPassBandRippleLabel")
+        self.formLayout_2.setWidget(4, QtGui.QFormLayout.LabelRole, self.bpfPassBandRippleLabel)
+        self.filterTypeWidget.addWidget(self.firbpfPage)
+        self.firbnfPage = QtGui.QWidget()
+        self.firbnfPage.setObjectName("firbnfPage")
+        self.formLayout_5 = QtGui.QFormLayout(self.firbnfPage)
+        self.formLayout_5.setFieldGrowthPolicy(QtGui.QFormLayout.AllNonFixedFieldsGrow)
+        self.formLayout_5.setObjectName("formLayout_5")
+        self.startofBnfStopBandLabel = QtGui.QLabel(self.firbnfPage)
+        self.startofBnfStopBandLabel.setObjectName("startofBnfStopBandLabel")
+        self.formLayout_5.setWidget(0, QtGui.QFormLayout.LabelRole, self.startofBnfStopBandLabel)
+        self.startofBnfStopBandEdit = QtGui.QLineEdit(self.firbnfPage)
+        self.startofBnfStopBandEdit.setObjectName("startofBnfStopBandEdit")
+        self.formLayout_5.setWidget(0, QtGui.QFormLayout.FieldRole, self.startofBnfStopBandEdit)
+        self.endofBnfStopBandLabel = QtGui.QLabel(self.firbnfPage)
+        self.endofBnfStopBandLabel.setObjectName("endofBnfStopBandLabel")
+        self.formLayout_5.setWidget(1, QtGui.QFormLayout.LabelRole, self.endofBnfStopBandLabel)
+        self.endofBnfStopBandEdit = QtGui.QLineEdit(self.firbnfPage)
+        self.endofBnfStopBandEdit.setObjectName("endofBnfStopBandEdit")
+        self.formLayout_5.setWidget(1, QtGui.QFormLayout.FieldRole, self.endofBnfStopBandEdit)
+        self.bnfTransitionLabel = QtGui.QLabel(self.firbnfPage)
+        self.bnfTransitionLabel.setObjectName("bnfTransitionLabel")
+        self.formLayout_5.setWidget(2, QtGui.QFormLayout.LabelRole, self.bnfTransitionLabel)
+        self.bnfTransitionEdit = QtGui.QLineEdit(self.firbnfPage)
+        self.bnfTransitionEdit.setObjectName("bnfTransitionEdit")
+        self.formLayout_5.setWidget(2, QtGui.QFormLayout.FieldRole, self.bnfTransitionEdit)
+        self.bnfStopBandAttenLabel = QtGui.QLabel(self.firbnfPage)
+        self.bnfStopBandAttenLabel.setObjectName("bnfStopBandAttenLabel")
+        self.formLayout_5.setWidget(3, QtGui.QFormLayout.LabelRole, self.bnfStopBandAttenLabel)
+        self.bnfStopBandAttenEdit = QtGui.QLineEdit(self.firbnfPage)
+        self.bnfStopBandAttenEdit.setObjectName("bnfStopBandAttenEdit")
+        self.formLayout_5.setWidget(3, QtGui.QFormLayout.FieldRole, self.bnfStopBandAttenEdit)
+        self.bnfPassBandRippleLabel = QtGui.QLabel(self.firbnfPage)
+        self.bnfPassBandRippleLabel.setObjectName("bnfPassBandRippleLabel")
+        self.formLayout_5.setWidget(4, QtGui.QFormLayout.LabelRole, self.bnfPassBandRippleLabel)
+        self.bnfPassBandRippleEdit = QtGui.QLineEdit(self.firbnfPage)
+        self.bnfPassBandRippleEdit.setObjectName("bnfPassBandRippleEdit")
+        self.formLayout_5.setWidget(4, QtGui.QFormLayout.FieldRole, self.bnfPassBandRippleEdit)
+        self.filterTypeWidget.addWidget(self.firbnfPage)
+        self.firhpfPage = QtGui.QWidget()
+        self.firhpfPage.setObjectName("firhpfPage")
+        self.formLayout_3 = QtGui.QFormLayout(self.firhpfPage)
+        self.formLayout_3.setFieldGrowthPolicy(QtGui.QFormLayout.AllNonFixedFieldsGrow)
+        self.formLayout_3.setObjectName("formLayout_3")
+        self.endofHpfStopBandLabel = QtGui.QLabel(self.firhpfPage)
+        self.endofHpfStopBandLabel.setObjectName("endofHpfStopBandLabel")
+        self.formLayout_3.setWidget(0, QtGui.QFormLayout.LabelRole, self.endofHpfStopBandLabel)
+        self.endofHpfStopBandEdit = QtGui.QLineEdit(self.firhpfPage)
+        self.endofHpfStopBandEdit.setObjectName("endofHpfStopBandEdit")
+        self.formLayout_3.setWidget(0, QtGui.QFormLayout.FieldRole, self.endofHpfStopBandEdit)
+        self.startofHpfPassBandLabel = QtGui.QLabel(self.firhpfPage)
+        self.startofHpfPassBandLabel.setObjectName("startofHpfPassBandLabel")
+        self.formLayout_3.setWidget(1, QtGui.QFormLayout.LabelRole, self.startofHpfPassBandLabel)
+        self.startofHpfPassBandEdit = QtGui.QLineEdit(self.firhpfPage)
+        self.startofHpfPassBandEdit.setObjectName("startofHpfPassBandEdit")
+        self.formLayout_3.setWidget(1, QtGui.QFormLayout.FieldRole, self.startofHpfPassBandEdit)
+        self.hpfStopBandAttenLabel = QtGui.QLabel(self.firhpfPage)
+        self.hpfStopBandAttenLabel.setObjectName("hpfStopBandAttenLabel")
+        self.formLayout_3.setWidget(2, QtGui.QFormLayout.LabelRole, self.hpfStopBandAttenLabel)
+        self.hpfStopBandAttenEdit = QtGui.QLineEdit(self.firhpfPage)
+        self.hpfStopBandAttenEdit.setObjectName("hpfStopBandAttenEdit")
+        self.formLayout_3.setWidget(2, QtGui.QFormLayout.FieldRole, self.hpfStopBandAttenEdit)
+        self.hpfPassBandRippleLabel = QtGui.QLabel(self.firhpfPage)
+        self.hpfPassBandRippleLabel.setObjectName("hpfPassBandRippleLabel")
+        self.formLayout_3.setWidget(3, QtGui.QFormLayout.LabelRole, self.hpfPassBandRippleLabel)
+        self.hpfPassBandRippleEdit = QtGui.QLineEdit(self.firhpfPage)
+        self.hpfPassBandRippleEdit.setObjectName("hpfPassBandRippleEdit")
+        self.formLayout_3.setWidget(3, QtGui.QFormLayout.FieldRole, self.hpfPassBandRippleEdit)
+        self.filterTypeWidget.addWidget(self.firhpfPage)
+        self.rrcPage = QtGui.QWidget()
+        self.rrcPage.setObjectName("rrcPage")
+        self.formLayout_6 = QtGui.QFormLayout(self.rrcPage)
+        self.formLayout_6.setObjectName("formLayout_6")
+        self.rrcSymbolRateLabel = QtGui.QLabel(self.rrcPage)
+        self.rrcSymbolRateLabel.setObjectName("rrcSymbolRateLabel")
+        self.formLayout_6.setWidget(0, QtGui.QFormLayout.LabelRole, self.rrcSymbolRateLabel)
+        self.rrcAlphaLabel = QtGui.QLabel(self.rrcPage)
+        self.rrcAlphaLabel.setObjectName("rrcAlphaLabel")
+        self.formLayout_6.setWidget(1, QtGui.QFormLayout.LabelRole, self.rrcAlphaLabel)
+        self.rrcNumTapsLabel = QtGui.QLabel(self.rrcPage)
+        self.rrcNumTapsLabel.setObjectName("rrcNumTapsLabel")
+        self.formLayout_6.setWidget(2, QtGui.QFormLayout.LabelRole, self.rrcNumTapsLabel)
+        self.rrcSymbolRateEdit = QtGui.QLineEdit(self.rrcPage)
+        self.rrcSymbolRateEdit.setObjectName("rrcSymbolRateEdit")
+        self.formLayout_6.setWidget(0, QtGui.QFormLayout.FieldRole, self.rrcSymbolRateEdit)
+        self.rrcAlphaEdit = QtGui.QLineEdit(self.rrcPage)
+        self.rrcAlphaEdit.setObjectName("rrcAlphaEdit")
+        self.formLayout_6.setWidget(1, QtGui.QFormLayout.FieldRole, self.rrcAlphaEdit)
+        self.rrcNumTapsEdit = QtGui.QLineEdit(self.rrcPage)
+        self.rrcNumTapsEdit.setObjectName("rrcNumTapsEdit")
+        self.formLayout_6.setWidget(2, QtGui.QFormLayout.FieldRole, self.rrcNumTapsEdit)
+        self.filterTypeWidget.addWidget(self.rrcPage)
+        self.gausPage = QtGui.QWidget()
+        self.gausPage.setObjectName("gausPage")
+        self.formLayout_7 = QtGui.QFormLayout(self.gausPage)
+        self.formLayout_7.setObjectName("formLayout_7")
+        self.gausSymbolRateLabel = QtGui.QLabel(self.gausPage)
+        self.gausSymbolRateLabel.setObjectName("gausSymbolRateLabel")
+        self.formLayout_7.setWidget(0, QtGui.QFormLayout.LabelRole, self.gausSymbolRateLabel)
+        self.gausSymbolRateEdit = QtGui.QLineEdit(self.gausPage)
+        self.gausSymbolRateEdit.setObjectName("gausSymbolRateEdit")
+        self.formLayout_7.setWidget(0, QtGui.QFormLayout.FieldRole, self.gausSymbolRateEdit)
+        self.gausBTLabel = QtGui.QLabel(self.gausPage)
+        self.gausBTLabel.setObjectName("gausBTLabel")
+        self.formLayout_7.setWidget(1, QtGui.QFormLayout.LabelRole, self.gausBTLabel)
+        self.gausBTEdit = QtGui.QLineEdit(self.gausPage)
+        self.gausBTEdit.setObjectName("gausBTEdit")
+        self.formLayout_7.setWidget(1, QtGui.QFormLayout.FieldRole, self.gausBTEdit)
+        self.gausNumTapsLabel = QtGui.QLabel(self.gausPage)
+        self.gausNumTapsLabel.setObjectName("gausNumTapsLabel")
+        self.formLayout_7.setWidget(2, QtGui.QFormLayout.LabelRole, self.gausNumTapsLabel)
+        self.gausNumTapsEdit = QtGui.QLineEdit(self.gausPage)
+        self.gausNumTapsEdit.setObjectName("gausNumTapsEdit")
+        self.formLayout_7.setWidget(2, QtGui.QFormLayout.FieldRole, self.gausNumTapsEdit)
+        self.filterTypeWidget.addWidget(self.gausPage)
+        self.verticalLayout.addWidget(self.filterTypeWidget)
+        self.filterPropsBox = QtGui.QGroupBox(self.filterFrame)
+        self.filterPropsBox.setObjectName("filterPropsBox")
+        self.formLayout_8 = QtGui.QFormLayout(self.filterPropsBox)
+        self.formLayout_8.setFieldGrowthPolicy(QtGui.QFormLayout.AllNonFixedFieldsGrow)
+        self.formLayout_8.setObjectName("formLayout_8")
+        self.nTapsLabel = QtGui.QLabel(self.filterPropsBox)
+        self.nTapsLabel.setMinimumSize(QtCore.QSize(150, 0))
+        self.nTapsLabel.setObjectName("nTapsLabel")
+        self.formLayout_8.setWidget(1, QtGui.QFormLayout.LabelRole, self.nTapsLabel)
+        self.nTapsEdit = QtGui.QLabel(self.filterPropsBox)
+        self.nTapsEdit.setMaximumSize(QtCore.QSize(100, 16777215))
+        self.nTapsEdit.setFrameShape(QtGui.QFrame.Box)
+        self.nTapsEdit.setFrameShadow(QtGui.QFrame.Raised)
+        self.nTapsEdit.setObjectName("nTapsEdit")
+        self.formLayout_8.setWidget(1, QtGui.QFormLayout.FieldRole, self.nTapsEdit)
+        self.verticalLayout.addWidget(self.filterPropsBox)
+        self.sysParamsBox = QtGui.QGroupBox(self.filterFrame)
+        self.sysParamsBox.setObjectName("sysParamsBox")
+        self.formLayout_4 = QtGui.QFormLayout(self.sysParamsBox)
+        self.formLayout_4.setObjectName("formLayout_4")
+        self.nfftEdit = QtGui.QLineEdit(self.sysParamsBox)
+        self.nfftEdit.setObjectName("nfftEdit")
+        self.formLayout_4.setWidget(1, QtGui.QFormLayout.FieldRole, self.nfftEdit)
+        self.nfftLabel = QtGui.QLabel(self.sysParamsBox)
+        self.nfftLabel.setMinimumSize(QtCore.QSize(150, 0))
+        self.nfftLabel.setObjectName("nfftLabel")
+        self.formLayout_4.setWidget(1, QtGui.QFormLayout.LabelRole, self.nfftLabel)
+        self.verticalLayout.addWidget(self.sysParamsBox)
+        self.designButton = QtGui.QPushButton(self.filterFrame)
+        self.designButton.setMinimumSize(QtCore.QSize(0, 0))
+        self.designButton.setMaximumSize(QtCore.QSize(200, 16777215))
+        self.designButton.setAutoDefault(True)
+        self.designButton.setDefault(True)
+        self.designButton.setObjectName("designButton")
+        self.verticalLayout.addWidget(self.designButton)
+        self.gridLayout.addWidget(self.filterFrame, 1, 0, 1, 1)
+        self.tabGroup = QtGui.QTabWidget(self.centralwidget)
+        self.tabGroup.setMinimumSize(QtCore.QSize(800, 0))
+        self.tabGroup.setObjectName("tabGroup")
+        self.freqTab = QtGui.QWidget()
+        self.freqTab.setObjectName("freqTab")
+        self.horizontalLayout_2 = QtGui.QHBoxLayout(self.freqTab)
+        self.horizontalLayout_2.setObjectName("horizontalLayout_2")
+        self.freqPlot = Qwt5.QwtPlot(self.freqTab)
+        self.freqPlot.setObjectName("freqPlot")
+        self.horizontalLayout_2.addWidget(self.freqPlot)
+        self.tabGroup.addTab(self.freqTab, "")
+        self.timeTab = QtGui.QWidget()
+        self.timeTab.setObjectName("timeTab")
+        self.horizontalLayout = QtGui.QHBoxLayout(self.timeTab)
+        self.horizontalLayout.setObjectName("horizontalLayout")
+        self.timePlot = Qwt5.QwtPlot(self.timeTab)
+        self.timePlot.setObjectName("timePlot")
+        self.horizontalLayout.addWidget(self.timePlot)
+        self.tabGroup.addTab(self.timeTab, "")
+        self.phaseTab = QtGui.QWidget()
+        self.phaseTab.setObjectName("phaseTab")
+        self.horizontalLayout_3 = QtGui.QHBoxLayout(self.phaseTab)
+        self.horizontalLayout_3.setObjectName("horizontalLayout_3")
+        self.phasePlot = Qwt5.QwtPlot(self.phaseTab)
+        self.phasePlot.setObjectName("phasePlot")
+        self.horizontalLayout_3.addWidget(self.phasePlot)
+        self.tabGroup.addTab(self.phaseTab, "")
+        self.groupTab = QtGui.QWidget()
+        self.groupTab.setObjectName("groupTab")
+        self.horizontalLayout_4 = QtGui.QHBoxLayout(self.groupTab)
+        self.horizontalLayout_4.setObjectName("horizontalLayout_4")
+        self.groupPlot = Qwt5.QwtPlot(self.groupTab)
+        self.groupPlot.setObjectName("groupPlot")
+        self.horizontalLayout_4.addWidget(self.groupPlot)
+        self.tabGroup.addTab(self.groupTab, "")
+        self.gridLayout.addWidget(self.tabGroup, 1, 1, 1, 1)
+        MainWindow.setCentralWidget(self.centralwidget)
+        self.menubar = QtGui.QMenuBar(MainWindow)
+        self.menubar.setGeometry(QtCore.QRect(0, 0, 1124, 24))
+        self.menubar.setObjectName("menubar")
+        self.menu_File = QtGui.QMenu(self.menubar)
+        self.menu_File.setObjectName("menu_File")
+        MainWindow.setMenuBar(self.menubar)
+        self.statusbar = QtGui.QStatusBar(MainWindow)
+        self.statusbar.setObjectName("statusbar")
+        MainWindow.setStatusBar(self.statusbar)
+        self.action_open = QtGui.QAction(MainWindow)
+        self.action_open.setObjectName("action_open")
+        self.action_exit = QtGui.QAction(MainWindow)
+        self.action_exit.setObjectName("action_exit")
+        self.menu_File.addAction(self.action_exit)
+        self.menubar.addAction(self.menu_File.menuAction())
+
+        self.retranslateUi(MainWindow)
+        self.filterTypeWidget.setCurrentIndex(0)
+        self.tabGroup.setCurrentIndex(0)
+        QtCore.QObject.connect(self.action_exit, QtCore.SIGNAL("activated()"), MainWindow.close)
+        QtCore.QMetaObject.connectSlotsByName(MainWindow)
+        MainWindow.setTabOrder(self.filterTypeComboBox, self.filterDesignTypeComboBox)
+        MainWindow.setTabOrder(self.filterDesignTypeComboBox, self.sampleRateEdit)
+        MainWindow.setTabOrder(self.sampleRateEdit, self.filterGainEdit)
+        MainWindow.setTabOrder(self.filterGainEdit, self.endofLpfPassBandEdit)
+        MainWindow.setTabOrder(self.endofLpfPassBandEdit, self.startofLpfStopBandEdit)
+        MainWindow.setTabOrder(self.startofLpfStopBandEdit, self.lpfStopBandAttenEdit)
+        MainWindow.setTabOrder(self.lpfStopBandAttenEdit, self.lpfPassBandRippleEdit)
+        MainWindow.setTabOrder(self.lpfPassBandRippleEdit, self.startofBpfPassBandEdit)
+        MainWindow.setTabOrder(self.startofBpfPassBandEdit, self.endofBpfPassBandEdit)
+        MainWindow.setTabOrder(self.endofBpfPassBandEdit, self.bpfTransitionEdit)
+        MainWindow.setTabOrder(self.bpfTransitionEdit, self.bpfStopBandAttenEdit)
+        MainWindow.setTabOrder(self.bpfStopBandAttenEdit, self.bpfPassBandRippleEdit)
+        MainWindow.setTabOrder(self.bpfPassBandRippleEdit, self.startofBnfStopBandEdit)
+        MainWindow.setTabOrder(self.startofBnfStopBandEdit, self.endofBnfStopBandEdit)
+        MainWindow.setTabOrder(self.endofBnfStopBandEdit, self.bnfTransitionEdit)
+        MainWindow.setTabOrder(self.bnfTransitionEdit, self.bnfStopBandAttenEdit)
+        MainWindow.setTabOrder(self.bnfStopBandAttenEdit, self.bnfPassBandRippleEdit)
+        MainWindow.setTabOrder(self.bnfPassBandRippleEdit, self.endofHpfStopBandEdit)
+        MainWindow.setTabOrder(self.endofHpfStopBandEdit, self.startofHpfPassBandEdit)
+        MainWindow.setTabOrder(self.startofHpfPassBandEdit, self.hpfStopBandAttenEdit)
+        MainWindow.setTabOrder(self.hpfStopBandAttenEdit, self.hpfPassBandRippleEdit)
+        MainWindow.setTabOrder(self.hpfPassBandRippleEdit, self.rrcSymbolRateEdit)
+        MainWindow.setTabOrder(self.rrcSymbolRateEdit, self.rrcAlphaEdit)
+        MainWindow.setTabOrder(self.rrcAlphaEdit, self.rrcNumTapsEdit)
+        MainWindow.setTabOrder(self.rrcNumTapsEdit, self.gausSymbolRateEdit)
+        MainWindow.setTabOrder(self.gausSymbolRateEdit, self.gausBTEdit)
+        MainWindow.setTabOrder(self.gausBTEdit, self.gausNumTapsEdit)
+        MainWindow.setTabOrder(self.gausNumTapsEdit, self.nfftEdit)
+        MainWindow.setTabOrder(self.nfftEdit, self.designButton)
+        MainWindow.setTabOrder(self.designButton, self.tabGroup)
+
+    def retranslateUi(self, MainWindow):
+        MainWindow.setWindowTitle(QtGui.QApplication.translate("MainWindow", "GNU Radio Filter Design Tool", None, QtGui.QApplication.UnicodeUTF8))
+        self.filterTypeComboBox.setItemText(0, QtGui.QApplication.translate("MainWindow", "Low Pass", None, QtGui.QApplication.UnicodeUTF8))
+        self.filterTypeComboBox.setItemText(1, QtGui.QApplication.translate("MainWindow", "Band Pass", None, QtGui.QApplication.UnicodeUTF8))
+        self.filterTypeComboBox.setItemText(2, QtGui.QApplication.translate("MainWindow", "Complex Band Pass", None, QtGui.QApplication.UnicodeUTF8))
+        self.filterTypeComboBox.setItemText(3, QtGui.QApplication.translate("MainWindow", "Band Notch", None, QtGui.QApplication.UnicodeUTF8))
+        self.filterTypeComboBox.setItemText(4, QtGui.QApplication.translate("MainWindow", "High Pass", None, QtGui.QApplication.UnicodeUTF8))
+        self.filterTypeComboBox.setItemText(5, QtGui.QApplication.translate("MainWindow", "Root Raised Cosine", None, QtGui.QApplication.UnicodeUTF8))
+        self.filterTypeComboBox.setItemText(6, QtGui.QApplication.translate("MainWindow", "Gaussian", None, QtGui.QApplication.UnicodeUTF8))
+        self.filterDesignTypeComboBox.setItemText(0, QtGui.QApplication.translate("MainWindow", "Hamming Window", None, QtGui.QApplication.UnicodeUTF8))
+        self.filterDesignTypeComboBox.setItemText(1, QtGui.QApplication.translate("MainWindow", "Hann Window", None, QtGui.QApplication.UnicodeUTF8))
+        self.filterDesignTypeComboBox.setItemText(2, QtGui.QApplication.translate("MainWindow", "Blackman Window", None, QtGui.QApplication.UnicodeUTF8))
+        self.filterDesignTypeComboBox.setItemText(3, QtGui.QApplication.translate("MainWindow", "Rectangular Window", None, QtGui.QApplication.UnicodeUTF8))
+        self.filterDesignTypeComboBox.setItemText(4, QtGui.QApplication.translate("MainWindow", "Kaiser Window", None, QtGui.QApplication.UnicodeUTF8))
+        self.filterDesignTypeComboBox.setItemText(5, QtGui.QApplication.translate("MainWindow", "Blackman-harris Window", None, QtGui.QApplication.UnicodeUTF8))
+        self.filterDesignTypeComboBox.setItemText(6, QtGui.QApplication.translate("MainWindow", "Equiripple", None, QtGui.QApplication.UnicodeUTF8))
+        self.sampleRateLabel.setText(QtGui.QApplication.translate("MainWindow", "Sample Rate (sps)", None, QtGui.QApplication.UnicodeUTF8))
+        self.filterGainLabel.setText(QtGui.QApplication.translate("MainWindow", "Filter Gain", None, QtGui.QApplication.UnicodeUTF8))
+        self.endofLpfPassBandLabel.setText(QtGui.QApplication.translate("MainWindow", "End of Pass Band (Hz)", None, QtGui.QApplication.UnicodeUTF8))
+        self.startofLpfStopBandLabel.setText(QtGui.QApplication.translate("MainWindow", "Start of Stop Band (Hz)", None, QtGui.QApplication.UnicodeUTF8))
+        self.lpfStopBandAttenLabel.setText(QtGui.QApplication.translate("MainWindow", "Stop Band Attenuation (dB)", None, QtGui.QApplication.UnicodeUTF8))
+        self.lpfPassBandRippleLabel.setText(QtGui.QApplication.translate("MainWindow", "Pass Band Ripple (dB)", None, QtGui.QApplication.UnicodeUTF8))
+        self.startofBpfPassBandLabel.setText(QtGui.QApplication.translate("MainWindow", "Start of Pass Band (Hz)", None, QtGui.QApplication.UnicodeUTF8))
+        self.endofBpfPassBandLabel.setText(QtGui.QApplication.translate("MainWindow", "End of Pass Band (Hz)", None, QtGui.QApplication.UnicodeUTF8))
+        self.bpfStopBandAttenLabel.setText(QtGui.QApplication.translate("MainWindow", "Stop Band Attenuation (dB)", None, QtGui.QApplication.UnicodeUTF8))
+        self.bpfTransitionLabel.setText(QtGui.QApplication.translate("MainWindow", "Transition Width (Hz)", None, QtGui.QApplication.UnicodeUTF8))
+        self.bpfPassBandRippleLabel.setText(QtGui.QApplication.translate("MainWindow", "Pass Band Ripple (dB)", None, QtGui.QApplication.UnicodeUTF8))
+        self.startofBnfStopBandLabel.setText(QtGui.QApplication.translate("MainWindow", "Start of Stop Band (Hz)", None, QtGui.QApplication.UnicodeUTF8))
+        self.endofBnfStopBandLabel.setText(QtGui.QApplication.translate("MainWindow", "End of Stop Band (Hz)", None, QtGui.QApplication.UnicodeUTF8))
+        self.bnfTransitionLabel.setText(QtGui.QApplication.translate("MainWindow", "Transition Width (Hz)", None, QtGui.QApplication.UnicodeUTF8))
+        self.bnfStopBandAttenLabel.setText(QtGui.QApplication.translate("MainWindow", "Stop Band Attenuation (dB)", None, QtGui.QApplication.UnicodeUTF8))
+        self.bnfPassBandRippleLabel.setText(QtGui.QApplication.translate("MainWindow", "Pass Band Ripple (dB)", None, QtGui.QApplication.UnicodeUTF8))
+        self.endofHpfStopBandLabel.setText(QtGui.QApplication.translate("MainWindow", "End of Stop Band (Hz)", None, QtGui.QApplication.UnicodeUTF8))
+        self.startofHpfPassBandLabel.setText(QtGui.QApplication.translate("MainWindow", "Start of Pass Band (Hz)", None, QtGui.QApplication.UnicodeUTF8))
+        self.hpfStopBandAttenLabel.setText(QtGui.QApplication.translate("MainWindow", "Stop Band Attenuation (dB)", None, QtGui.QApplication.UnicodeUTF8))
+        self.hpfPassBandRippleLabel.setText(QtGui.QApplication.translate("MainWindow", "Pass Band Ripple (dB)", None, QtGui.QApplication.UnicodeUTF8))
+        self.rrcSymbolRateLabel.setText(QtGui.QApplication.translate("MainWindow", "Symbol Rate (sps)", None, QtGui.QApplication.UnicodeUTF8))
+        self.rrcAlphaLabel.setText(QtGui.QApplication.translate("MainWindow", "Roll-off Factor", None, QtGui.QApplication.UnicodeUTF8))
+        self.rrcNumTapsLabel.setText(QtGui.QApplication.translate("MainWindow", "Number of Taps", None, QtGui.QApplication.UnicodeUTF8))
+        self.gausSymbolRateLabel.setText(QtGui.QApplication.translate("MainWindow", "Symbol Rate (sps)", None, QtGui.QApplication.UnicodeUTF8))
+        self.gausBTLabel.setText(QtGui.QApplication.translate("MainWindow", "Roll-off Factor", None, QtGui.QApplication.UnicodeUTF8))
+        self.gausNumTapsLabel.setText(QtGui.QApplication.translate("MainWindow", "Number of Taps", None, QtGui.QApplication.UnicodeUTF8))
+        self.filterPropsBox.setTitle(QtGui.QApplication.translate("MainWindow", "Filter Properties", None, QtGui.QApplication.UnicodeUTF8))
+        self.nTapsLabel.setText(QtGui.QApplication.translate("MainWindow", "Number of Taps:", None, QtGui.QApplication.UnicodeUTF8))
+        self.sysParamsBox.setTitle(QtGui.QApplication.translate("MainWindow", "System Parameters", None, QtGui.QApplication.UnicodeUTF8))
+        self.nfftLabel.setText(QtGui.QApplication.translate("MainWindow", "Num FFT points", None, QtGui.QApplication.UnicodeUTF8))
+        self.designButton.setText(QtGui.QApplication.translate("MainWindow", "Design", None, QtGui.QApplication.UnicodeUTF8))
+        self.tabGroup.setTabText(self.tabGroup.indexOf(self.freqTab), QtGui.QApplication.translate("MainWindow", "Frequency Domain", None, QtGui.QApplication.UnicodeUTF8))
+        self.tabGroup.setTabText(self.tabGroup.indexOf(self.timeTab), QtGui.QApplication.translate("MainWindow", "Time Domain", None, QtGui.QApplication.UnicodeUTF8))
+        self.tabGroup.setTabText(self.tabGroup.indexOf(self.phaseTab), QtGui.QApplication.translate("MainWindow", "Phase", None, QtGui.QApplication.UnicodeUTF8))
+        self.tabGroup.setTabText(self.tabGroup.indexOf(self.groupTab), QtGui.QApplication.translate("MainWindow", "Group Delay", None, QtGui.QApplication.UnicodeUTF8))
+        self.menu_File.setTitle(QtGui.QApplication.translate("MainWindow", "&File", None, QtGui.QApplication.UnicodeUTF8))
+        self.action_open.setText(QtGui.QApplication.translate("MainWindow", "&Open", None, QtGui.QApplication.UnicodeUTF8))
+        self.action_open.setShortcut(QtGui.QApplication.translate("MainWindow", "Ctrl+O", None, QtGui.QApplication.UnicodeUTF8))
+        self.action_exit.setText(QtGui.QApplication.translate("MainWindow", "E&xit", None, QtGui.QApplication.UnicodeUTF8))
+
+from PyQt4 import Qwt5
diff --git a/gr-utils/src/python/pyqt_filter.ui b/gr-utils/src/python/pyqt_filter.ui
new file mode 100644 (file)
index 0000000..9b31112
--- /dev/null
@@ -0,0 +1,676 @@
+<ui version="4.0" >
+ <class>MainWindow</class>
+ <widget class="QMainWindow" name="MainWindow" >
+  <property name="geometry" >
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>1124</width>
+    <height>696</height>
+   </rect>
+  </property>
+  <property name="windowTitle" >
+   <string>GNU Radio Filter Design Tool</string>
+  </property>
+  <widget class="QWidget" name="centralwidget" >
+   <layout class="QGridLayout" name="gridLayout" >
+    <item row="1" column="0" >
+     <widget class="QFrame" name="filterFrame" >
+      <property name="minimumSize" >
+       <size>
+        <width>300</width>
+        <height>0</height>
+       </size>
+      </property>
+      <property name="maximumSize" >
+       <size>
+        <width>300</width>
+        <height>16777215</height>
+       </size>
+      </property>
+      <property name="frameShape" >
+       <enum>QFrame::StyledPanel</enum>
+      </property>
+      <property name="frameShadow" >
+       <enum>QFrame::Raised</enum>
+      </property>
+      <layout class="QVBoxLayout" name="verticalLayout" >
+       <item>
+        <widget class="QComboBox" name="filterTypeComboBox" >
+         <item>
+          <property name="text" >
+           <string>Low Pass</string>
+          </property>
+         </item>
+         <item>
+          <property name="text" >
+           <string>Band Pass</string>
+          </property>
+         </item>
+         <item>
+          <property name="text" >
+           <string>Complex Band Pass</string>
+          </property>
+         </item>
+         <item>
+          <property name="text" >
+           <string>Band Notch</string>
+          </property>
+         </item>
+         <item>
+          <property name="text" >
+           <string>High Pass</string>
+          </property>
+         </item>
+         <item>
+          <property name="text" >
+           <string>Root Raised Cosine</string>
+          </property>
+         </item>
+         <item>
+          <property name="text" >
+           <string>Gaussian</string>
+          </property>
+         </item>
+        </widget>
+       </item>
+       <item>
+        <widget class="QComboBox" name="filterDesignTypeComboBox" >
+         <item>
+          <property name="text" >
+           <string>Hamming Window</string>
+          </property>
+         </item>
+         <item>
+          <property name="text" >
+           <string>Hann Window</string>
+          </property>
+         </item>
+         <item>
+          <property name="text" >
+           <string>Blackman Window</string>
+          </property>
+         </item>
+         <item>
+          <property name="text" >
+           <string>Rectangular Window</string>
+          </property>
+         </item>
+         <item>
+          <property name="text" >
+           <string>Kaiser Window</string>
+          </property>
+         </item>
+         <item>
+          <property name="text" >
+           <string>Blackman-harris Window</string>
+          </property>
+         </item>
+         <item>
+          <property name="text" >
+           <string>Equiripple</string>
+          </property>
+         </item>
+        </widget>
+       </item>
+       <item>
+        <layout class="QFormLayout" name="globalParamsLayout" >
+         <property name="fieldGrowthPolicy" >
+          <enum>QFormLayout::AllNonFixedFieldsGrow</enum>
+         </property>
+         <item row="0" column="0" >
+          <widget class="QLabel" name="sampleRateLabel" >
+           <property name="maximumSize" >
+            <size>
+             <width>16777215</width>
+             <height>30</height>
+            </size>
+           </property>
+           <property name="text" >
+            <string>Sample Rate (sps)</string>
+           </property>
+          </widget>
+         </item>
+         <item row="0" column="1" >
+          <widget class="QLineEdit" name="sampleRateEdit" >
+           <property name="maximumSize" >
+            <size>
+             <width>16777215</width>
+             <height>30</height>
+            </size>
+           </property>
+          </widget>
+         </item>
+         <item row="1" column="0" >
+          <widget class="QLabel" name="filterGainLabel" >
+           <property name="text" >
+            <string>Filter Gain</string>
+           </property>
+          </widget>
+         </item>
+         <item row="1" column="1" >
+          <widget class="QLineEdit" name="filterGainEdit" />
+         </item>
+        </layout>
+       </item>
+       <item>
+        <widget class="QStackedWidget" name="filterTypeWidget" >
+         <property name="currentIndex" >
+          <number>0</number>
+         </property>
+         <widget class="QWidget" name="firlpfPage" >
+          <layout class="QFormLayout" name="formLayout" >
+           <item row="0" column="0" >
+            <widget class="QLabel" name="endofLpfPassBandLabel" >
+             <property name="text" >
+              <string>End of Pass Band (Hz)</string>
+             </property>
+            </widget>
+           </item>
+           <item row="0" column="1" >
+            <widget class="QLineEdit" name="endofLpfPassBandEdit" />
+           </item>
+           <item row="1" column="0" >
+            <widget class="QLabel" name="startofLpfStopBandLabel" >
+             <property name="text" >
+              <string>Start of Stop Band (Hz)</string>
+             </property>
+            </widget>
+           </item>
+           <item row="1" column="1" >
+            <widget class="QLineEdit" name="startofLpfStopBandEdit" />
+           </item>
+           <item row="2" column="0" >
+            <widget class="QLabel" name="lpfStopBandAttenLabel" >
+             <property name="text" >
+              <string>Stop Band Attenuation (dB)</string>
+             </property>
+            </widget>
+           </item>
+           <item row="2" column="1" >
+            <widget class="QLineEdit" name="lpfStopBandAttenEdit" />
+           </item>
+           <item row="3" column="1" >
+            <widget class="QLineEdit" name="lpfPassBandRippleEdit" />
+           </item>
+           <item row="3" column="0" >
+            <widget class="QLabel" name="lpfPassBandRippleLabel" >
+             <property name="text" >
+              <string>Pass Band Ripple (dB)</string>
+             </property>
+            </widget>
+           </item>
+          </layout>
+         </widget>
+         <widget class="QWidget" name="firbpfPage" >
+          <layout class="QFormLayout" name="formLayout_2" >
+           <item row="0" column="0" >
+            <widget class="QLabel" name="startofBpfPassBandLabel" >
+             <property name="text" >
+              <string>Start of Pass Band (Hz)</string>
+             </property>
+            </widget>
+           </item>
+           <item row="0" column="1" >
+            <widget class="QLineEdit" name="startofBpfPassBandEdit" />
+           </item>
+           <item row="1" column="0" >
+            <widget class="QLabel" name="endofBpfPassBandLabel" >
+             <property name="text" >
+              <string>End of Pass Band (Hz)</string>
+             </property>
+            </widget>
+           </item>
+           <item row="1" column="1" >
+            <widget class="QLineEdit" name="endofBpfPassBandEdit" />
+           </item>
+           <item row="3" column="1" >
+            <widget class="QLineEdit" name="bpfStopBandAttenEdit" />
+           </item>
+           <item row="3" column="0" >
+            <widget class="QLabel" name="bpfStopBandAttenLabel" >
+             <property name="text" >
+              <string>Stop Band Attenuation (dB)</string>
+             </property>
+            </widget>
+           </item>
+           <item row="2" column="0" >
+            <widget class="QLabel" name="bpfTransitionLabel" >
+             <property name="text" >
+              <string>Transition Width (Hz)</string>
+             </property>
+            </widget>
+           </item>
+           <item row="2" column="1" >
+            <widget class="QLineEdit" name="bpfTransitionEdit" />
+           </item>
+           <item row="4" column="1" >
+            <widget class="QLineEdit" name="bpfPassBandRippleEdit" />
+           </item>
+           <item row="4" column="0" >
+            <widget class="QLabel" name="bpfPassBandRippleLabel" >
+             <property name="text" >
+              <string>Pass Band Ripple (dB)</string>
+             </property>
+            </widget>
+           </item>
+          </layout>
+         </widget>
+         <widget class="QWidget" name="firbnfPage" >
+          <layout class="QFormLayout" name="formLayout_5" >
+           <property name="fieldGrowthPolicy" >
+            <enum>QFormLayout::AllNonFixedFieldsGrow</enum>
+           </property>
+           <item row="0" column="0" >
+            <widget class="QLabel" name="startofBnfStopBandLabel" >
+             <property name="text" >
+              <string>Start of Stop Band (Hz)</string>
+             </property>
+            </widget>
+           </item>
+           <item row="0" column="1" >
+            <widget class="QLineEdit" name="startofBnfStopBandEdit" />
+           </item>
+           <item row="1" column="0" >
+            <widget class="QLabel" name="endofBnfStopBandLabel" >
+             <property name="text" >
+              <string>End of Stop Band (Hz)</string>
+             </property>
+            </widget>
+           </item>
+           <item row="1" column="1" >
+            <widget class="QLineEdit" name="endofBnfStopBandEdit" />
+           </item>
+           <item row="2" column="0" >
+            <widget class="QLabel" name="bnfTransitionLabel" >
+             <property name="text" >
+              <string>Transition Width (Hz)</string>
+             </property>
+            </widget>
+           </item>
+           <item row="2" column="1" >
+            <widget class="QLineEdit" name="bnfTransitionEdit" />
+           </item>
+           <item row="3" column="0" >
+            <widget class="QLabel" name="bnfStopBandAttenLabel" >
+             <property name="text" >
+              <string>Stop Band Attenuation (dB)</string>
+             </property>
+            </widget>
+           </item>
+           <item row="3" column="1" >
+            <widget class="QLineEdit" name="bnfStopBandAttenEdit" />
+           </item>
+           <item row="4" column="0" >
+            <widget class="QLabel" name="bnfPassBandRippleLabel" >
+             <property name="text" >
+              <string>Pass Band Ripple (dB)</string>
+             </property>
+            </widget>
+           </item>
+           <item row="4" column="1" >
+            <widget class="QLineEdit" name="bnfPassBandRippleEdit" />
+           </item>
+          </layout>
+         </widget>
+         <widget class="QWidget" name="firhpfPage" >
+          <layout class="QFormLayout" name="formLayout_3" >
+           <property name="fieldGrowthPolicy" >
+            <enum>QFormLayout::AllNonFixedFieldsGrow</enum>
+           </property>
+           <item row="0" column="0" >
+            <widget class="QLabel" name="endofHpfStopBandLabel" >
+             <property name="text" >
+              <string>End of Stop Band (Hz)</string>
+             </property>
+            </widget>
+           </item>
+           <item row="0" column="1" >
+            <widget class="QLineEdit" name="endofHpfStopBandEdit" />
+           </item>
+           <item row="1" column="0" >
+            <widget class="QLabel" name="startofHpfPassBandLabel" >
+             <property name="text" >
+              <string>Start of Pass Band (Hz)</string>
+             </property>
+            </widget>
+           </item>
+           <item row="1" column="1" >
+            <widget class="QLineEdit" name="startofHpfPassBandEdit" />
+           </item>
+           <item row="2" column="0" >
+            <widget class="QLabel" name="hpfStopBandAttenLabel" >
+             <property name="text" >
+              <string>Stop Band Attenuation (dB)</string>
+             </property>
+            </widget>
+           </item>
+           <item row="2" column="1" >
+            <widget class="QLineEdit" name="hpfStopBandAttenEdit" />
+           </item>
+           <item row="3" column="0" >
+            <widget class="QLabel" name="hpfPassBandRippleLabel" >
+             <property name="text" >
+              <string>Pass Band Ripple (dB)</string>
+             </property>
+            </widget>
+           </item>
+           <item row="3" column="1" >
+            <widget class="QLineEdit" name="hpfPassBandRippleEdit" />
+           </item>
+          </layout>
+         </widget>
+         <widget class="QWidget" name="rrcPage" >
+          <layout class="QFormLayout" name="formLayout_6" >
+           <item row="0" column="0" >
+            <widget class="QLabel" name="rrcSymbolRateLabel" >
+             <property name="text" >
+              <string>Symbol Rate (sps)</string>
+             </property>
+            </widget>
+           </item>
+           <item row="1" column="0" >
+            <widget class="QLabel" name="rrcAlphaLabel" >
+             <property name="text" >
+              <string>Roll-off Factor</string>
+             </property>
+            </widget>
+           </item>
+           <item row="2" column="0" >
+            <widget class="QLabel" name="rrcNumTapsLabel" >
+             <property name="text" >
+              <string>Number of Taps</string>
+             </property>
+            </widget>
+           </item>
+           <item row="0" column="1" >
+            <widget class="QLineEdit" name="rrcSymbolRateEdit" />
+           </item>
+           <item row="1" column="1" >
+            <widget class="QLineEdit" name="rrcAlphaEdit" />
+           </item>
+           <item row="2" column="1" >
+            <widget class="QLineEdit" name="rrcNumTapsEdit" />
+           </item>
+          </layout>
+         </widget>
+         <widget class="QWidget" name="gausPage" >
+          <layout class="QFormLayout" name="formLayout_7" >
+           <item row="0" column="0" >
+            <widget class="QLabel" name="gausSymbolRateLabel" >
+             <property name="text" >
+              <string>Symbol Rate (sps)</string>
+             </property>
+            </widget>
+           </item>
+           <item row="0" column="1" >
+            <widget class="QLineEdit" name="gausSymbolRateEdit" />
+           </item>
+           <item row="1" column="0" >
+            <widget class="QLabel" name="gausBTLabel" >
+             <property name="text" >
+              <string>Roll-off Factor</string>
+             </property>
+            </widget>
+           </item>
+           <item row="1" column="1" >
+            <widget class="QLineEdit" name="gausBTEdit" />
+           </item>
+           <item row="2" column="0" >
+            <widget class="QLabel" name="gausNumTapsLabel" >
+             <property name="text" >
+              <string>Number of Taps</string>
+             </property>
+            </widget>
+           </item>
+           <item row="2" column="1" >
+            <widget class="QLineEdit" name="gausNumTapsEdit" />
+           </item>
+          </layout>
+         </widget>
+        </widget>
+       </item>
+       <item>
+        <widget class="QGroupBox" name="filterPropsBox" >
+         <property name="title" >
+          <string>Filter Properties</string>
+         </property>
+         <layout class="QFormLayout" name="formLayout_8" >
+          <property name="fieldGrowthPolicy" >
+           <enum>QFormLayout::AllNonFixedFieldsGrow</enum>
+          </property>
+          <item row="1" column="0" >
+           <widget class="QLabel" name="nTapsLabel" >
+            <property name="minimumSize" >
+             <size>
+              <width>150</width>
+              <height>0</height>
+             </size>
+            </property>
+            <property name="text" >
+             <string>Number of Taps:</string>
+            </property>
+           </widget>
+          </item>
+          <item row="1" column="1" >
+           <widget class="QLabel" name="nTapsEdit" >
+            <property name="maximumSize" >
+             <size>
+              <width>100</width>
+              <height>16777215</height>
+             </size>
+            </property>
+            <property name="frameShape" >
+             <enum>QFrame::Box</enum>
+            </property>
+            <property name="frameShadow" >
+             <enum>QFrame::Raised</enum>
+            </property>
+            <property name="text" >
+             <string/>
+            </property>
+           </widget>
+          </item>
+         </layout>
+        </widget>
+       </item>
+       <item>
+        <widget class="QGroupBox" name="sysParamsBox" >
+         <property name="title" >
+          <string>System Parameters</string>
+         </property>
+         <layout class="QFormLayout" name="formLayout_4" >
+          <item row="1" column="1" >
+           <widget class="QLineEdit" name="nfftEdit" />
+          </item>
+          <item row="1" column="0" >
+           <widget class="QLabel" name="nfftLabel" >
+            <property name="minimumSize" >
+             <size>
+              <width>150</width>
+              <height>0</height>
+             </size>
+            </property>
+            <property name="text" >
+             <string>Num FFT points</string>
+            </property>
+           </widget>
+          </item>
+         </layout>
+        </widget>
+       </item>
+       <item>
+        <widget class="QPushButton" name="designButton" >
+         <property name="minimumSize" >
+          <size>
+           <width>0</width>
+           <height>0</height>
+          </size>
+         </property>
+         <property name="maximumSize" >
+          <size>
+           <width>200</width>
+           <height>16777215</height>
+          </size>
+         </property>
+         <property name="text" >
+          <string>Design</string>
+         </property>
+         <property name="autoDefault" >
+          <bool>true</bool>
+         </property>
+         <property name="default" >
+          <bool>true</bool>
+         </property>
+        </widget>
+       </item>
+      </layout>
+     </widget>
+    </item>
+    <item row="1" column="1" >
+     <widget class="QTabWidget" name="tabGroup" >
+      <property name="minimumSize" >
+       <size>
+        <width>800</width>
+        <height>0</height>
+       </size>
+      </property>
+      <property name="currentIndex" >
+       <number>0</number>
+      </property>
+      <widget class="QWidget" name="freqTab" >
+       <attribute name="title" >
+        <string>Frequency Domain</string>
+       </attribute>
+       <layout class="QHBoxLayout" name="horizontalLayout_2" >
+        <item>
+         <widget class="QwtPlot" name="freqPlot" />
+        </item>
+       </layout>
+      </widget>
+      <widget class="QWidget" name="timeTab" >
+       <attribute name="title" >
+        <string>Time Domain</string>
+       </attribute>
+       <layout class="QHBoxLayout" name="horizontalLayout" >
+        <item>
+         <widget class="QwtPlot" name="timePlot" />
+        </item>
+       </layout>
+      </widget>
+      <widget class="QWidget" name="phaseTab" >
+       <attribute name="title" >
+        <string>Phase</string>
+       </attribute>
+       <layout class="QHBoxLayout" name="horizontalLayout_3" >
+        <item>
+         <widget class="QwtPlot" name="phasePlot" />
+        </item>
+       </layout>
+      </widget>
+      <widget class="QWidget" name="groupTab" >
+       <attribute name="title" >
+        <string>Group Delay</string>
+       </attribute>
+       <layout class="QHBoxLayout" name="horizontalLayout_4" >
+        <item>
+         <widget class="QwtPlot" name="groupPlot" />
+        </item>
+       </layout>
+      </widget>
+     </widget>
+    </item>
+   </layout>
+  </widget>
+  <widget class="QMenuBar" name="menubar" >
+   <property name="geometry" >
+    <rect>
+     <x>0</x>
+     <y>0</y>
+     <width>1124</width>
+     <height>24</height>
+    </rect>
+   </property>
+   <widget class="QMenu" name="menu_File" >
+    <property name="title" >
+     <string>&amp;File</string>
+    </property>
+    <addaction name="action_exit" />
+   </widget>
+   <addaction name="menu_File" />
+  </widget>
+  <widget class="QStatusBar" name="statusbar" />
+  <action name="action_open" >
+   <property name="text" >
+    <string>&amp;Open</string>
+   </property>
+   <property name="shortcut" >
+    <string>Ctrl+O</string>
+   </property>
+  </action>
+  <action name="action_exit" >
+   <property name="text" >
+    <string>E&amp;xit</string>
+   </property>
+  </action>
+ </widget>
+ <customwidgets>
+  <customwidget>
+   <class>QwtPlot</class>
+   <extends>QFrame</extends>
+   <header>qwt_plot.h</header>
+  </customwidget>
+ </customwidgets>
+ <tabstops>
+  <tabstop>filterTypeComboBox</tabstop>
+  <tabstop>filterDesignTypeComboBox</tabstop>
+  <tabstop>sampleRateEdit</tabstop>
+  <tabstop>filterGainEdit</tabstop>
+  <tabstop>endofLpfPassBandEdit</tabstop>
+  <tabstop>startofLpfStopBandEdit</tabstop>
+  <tabstop>lpfStopBandAttenEdit</tabstop>
+  <tabstop>lpfPassBandRippleEdit</tabstop>
+  <tabstop>startofBpfPassBandEdit</tabstop>
+  <tabstop>endofBpfPassBandEdit</tabstop>
+  <tabstop>bpfTransitionEdit</tabstop>
+  <tabstop>bpfStopBandAttenEdit</tabstop>
+  <tabstop>bpfPassBandRippleEdit</tabstop>
+  <tabstop>startofBnfStopBandEdit</tabstop>
+  <tabstop>endofBnfStopBandEdit</tabstop>
+  <tabstop>bnfTransitionEdit</tabstop>
+  <tabstop>bnfStopBandAttenEdit</tabstop>
+  <tabstop>bnfPassBandRippleEdit</tabstop>
+  <tabstop>endofHpfStopBandEdit</tabstop>
+  <tabstop>startofHpfPassBandEdit</tabstop>
+  <tabstop>hpfStopBandAttenEdit</tabstop>
+  <tabstop>hpfPassBandRippleEdit</tabstop>
+  <tabstop>rrcSymbolRateEdit</tabstop>
+  <tabstop>rrcAlphaEdit</tabstop>
+  <tabstop>rrcNumTapsEdit</tabstop>
+  <tabstop>gausSymbolRateEdit</tabstop>
+  <tabstop>gausBTEdit</tabstop>
+  <tabstop>gausNumTapsEdit</tabstop>
+  <tabstop>nfftEdit</tabstop>
+  <tabstop>designButton</tabstop>
+  <tabstop>tabGroup</tabstop>
+ </tabstops>
+ <resources/>
+ <connections>
+  <connection>
+   <sender>action_exit</sender>
+   <signal>activated()</signal>
+   <receiver>MainWindow</receiver>
+   <slot>close()</slot>
+   <hints>
+    <hint type="sourcelabel" >
+     <x>-1</x>
+     <y>-1</y>
+    </hint>
+    <hint type="destinationlabel" >
+     <x>399</x>
+     <y>347</y>
+    </hint>
+   </hints>
+  </connection>
+ </connections>
+</ui>
diff --git a/gr-utils/src/python/pyqt_plot.py b/gr-utils/src/python/pyqt_plot.py
new file mode 100644 (file)
index 0000000..74c43c3
--- /dev/null
@@ -0,0 +1,206 @@
+# -*- coding: utf-8 -*-
+
+# Form implementation generated from reading ui file 'pyqt_plot.ui'
+#
+# Created: Tue Aug 25 18:18:14 2009
+#      by: PyQt4 UI code generator 4.4.3
+#
+# WARNING! All changes made in this file will be lost!
+
+from PyQt4 import QtCore, QtGui
+
+class Ui_MainWindow(object):
+    def setupUi(self, MainWindow):
+        MainWindow.setObjectName("MainWindow")
+        MainWindow.resize(927, 696)
+        self.centralwidget = QtGui.QWidget(MainWindow)
+        self.centralwidget.setObjectName("centralwidget")
+        self.gridLayout = QtGui.QGridLayout(self.centralwidget)
+        self.gridLayout.setObjectName("gridLayout")
+        self.plotHBar = QtGui.QScrollBar(self.centralwidget)
+        self.plotHBar.setOrientation(QtCore.Qt.Horizontal)
+        self.plotHBar.setObjectName("plotHBar")
+        self.gridLayout.addWidget(self.plotHBar, 2, 0, 1, 2)
+        self.tabGroup = QtGui.QTabWidget(self.centralwidget)
+        self.tabGroup.setObjectName("tabGroup")
+        self.timeTab = QtGui.QWidget()
+        self.timeTab.setObjectName("timeTab")
+        self.horizontalLayout = QtGui.QHBoxLayout(self.timeTab)
+        self.horizontalLayout.setObjectName("horizontalLayout")
+        self.timePlot = Qwt5.QwtPlot(self.timeTab)
+        self.timePlot.setObjectName("timePlot")
+        self.horizontalLayout.addWidget(self.timePlot)
+        self.tabGroup.addTab(self.timeTab, "")
+        self.freqTab = QtGui.QWidget()
+        self.freqTab.setObjectName("freqTab")
+        self.horizontalLayout_2 = QtGui.QHBoxLayout(self.freqTab)
+        self.horizontalLayout_2.setObjectName("horizontalLayout_2")
+        self.fftPropBox = QtGui.QGroupBox(self.freqTab)
+        self.fftPropBox.setMinimumSize(QtCore.QSize(160, 0))
+        self.fftPropBox.setObjectName("fftPropBox")
+        self.formLayout_4 = QtGui.QFormLayout(self.fftPropBox)
+        self.formLayout_4.setFieldGrowthPolicy(QtGui.QFormLayout.AllNonFixedFieldsGrow)
+        self.formLayout_4.setObjectName("formLayout_4")
+        self.psdFFTComboBox = QtGui.QComboBox(self.fftPropBox)
+        self.psdFFTComboBox.setMinimumSize(QtCore.QSize(96, 0))
+        self.psdFFTComboBox.setMaximumSize(QtCore.QSize(96, 16777215))
+        self.psdFFTComboBox.setObjectName("psdFFTComboBox")
+        self.formLayout_4.setWidget(0, QtGui.QFormLayout.FieldRole, self.psdFFTComboBox)
+        self.psdFFTSizeLabel = QtGui.QLabel(self.fftPropBox)
+        self.psdFFTSizeLabel.setObjectName("psdFFTSizeLabel")
+        self.formLayout_4.setWidget(0, QtGui.QFormLayout.LabelRole, self.psdFFTSizeLabel)
+        self.horizontalLayout_2.addWidget(self.fftPropBox)
+        self.freqPlot = Qwt5.QwtPlot(self.freqTab)
+        self.freqPlot.setObjectName("freqPlot")
+        self.horizontalLayout_2.addWidget(self.freqPlot)
+        self.tabGroup.addTab(self.freqTab, "")
+        self.specTab = QtGui.QWidget()
+        self.specTab.setObjectName("specTab")
+        self.horizontalLayout_3 = QtGui.QHBoxLayout(self.specTab)
+        self.horizontalLayout_3.setObjectName("horizontalLayout_3")
+        self.groupBox = QtGui.QGroupBox(self.specTab)
+        self.groupBox.setObjectName("groupBox")
+        self.formLayout_3 = QtGui.QFormLayout(self.groupBox)
+        self.formLayout_3.setObjectName("formLayout_3")
+        self.specFFTLabel = QtGui.QLabel(self.groupBox)
+        self.specFFTLabel.setObjectName("specFFTLabel")
+        self.formLayout_3.setWidget(1, QtGui.QFormLayout.LabelRole, self.specFFTLabel)
+        self.specFFTComboBox = QtGui.QComboBox(self.groupBox)
+        self.specFFTComboBox.setMinimumSize(QtCore.QSize(96, 0))
+        self.specFFTComboBox.setMaximumSize(QtCore.QSize(96, 16777215))
+        self.specFFTComboBox.setObjectName("specFFTComboBox")
+        self.formLayout_3.setWidget(1, QtGui.QFormLayout.FieldRole, self.specFFTComboBox)
+        self.horizontalLayout_3.addWidget(self.groupBox)
+        self.specPlot = Qwt5.QwtPlot(self.specTab)
+        self.specPlot.setObjectName("specPlot")
+        self.horizontalLayout_3.addWidget(self.specPlot)
+        self.tabGroup.addTab(self.specTab, "")
+        self.gridLayout.addWidget(self.tabGroup, 1, 0, 1, 1)
+        self.filePosBox = QtGui.QGroupBox(self.centralwidget)
+        self.filePosBox.setMinimumSize(QtCore.QSize(0, 120))
+        self.filePosBox.setObjectName("filePosBox")
+        self.formLayoutWidget_2 = QtGui.QWidget(self.filePosBox)
+        self.formLayoutWidget_2.setGeometry(QtCore.QRect(0, 20, 160, 92))
+        self.formLayoutWidget_2.setObjectName("formLayoutWidget_2")
+        self.filePosLayout = QtGui.QFormLayout(self.formLayoutWidget_2)
+        self.filePosLayout.setObjectName("filePosLayout")
+        self.filePosStartLabel = QtGui.QLabel(self.formLayoutWidget_2)
+        self.filePosStartLabel.setObjectName("filePosStartLabel")
+        self.filePosLayout.setWidget(0, QtGui.QFormLayout.LabelRole, self.filePosStartLabel)
+        self.filePosStartLineEdit = QtGui.QLineEdit(self.formLayoutWidget_2)
+        self.filePosStartLineEdit.setObjectName("filePosStartLineEdit")
+        self.filePosLayout.setWidget(0, QtGui.QFormLayout.FieldRole, self.filePosStartLineEdit)
+        self.filePosStopLabel = QtGui.QLabel(self.formLayoutWidget_2)
+        self.filePosStopLabel.setObjectName("filePosStopLabel")
+        self.filePosLayout.setWidget(1, QtGui.QFormLayout.LabelRole, self.filePosStopLabel)
+        self.filePosStopLineEdit = QtGui.QLineEdit(self.formLayoutWidget_2)
+        self.filePosStopLineEdit.setObjectName("filePosStopLineEdit")
+        self.filePosLayout.setWidget(1, QtGui.QFormLayout.FieldRole, self.filePosStopLineEdit)
+        self.filePosLengthLabel = QtGui.QLabel(self.formLayoutWidget_2)
+        self.filePosLengthLabel.setObjectName("filePosLengthLabel")
+        self.filePosLayout.setWidget(2, QtGui.QFormLayout.LabelRole, self.filePosLengthLabel)
+        self.filePosLengthLineEdit = QtGui.QLineEdit(self.formLayoutWidget_2)
+        self.filePosLengthLineEdit.setObjectName("filePosLengthLineEdit")
+        self.filePosLayout.setWidget(2, QtGui.QFormLayout.FieldRole, self.filePosLengthLineEdit)
+        self.formLayoutWidget_4 = QtGui.QWidget(self.filePosBox)
+        self.formLayoutWidget_4.setGeometry(QtCore.QRect(180, 20, 231, 92))
+        self.formLayoutWidget_4.setObjectName("formLayoutWidget_4")
+        self.fileTimeLayout = QtGui.QFormLayout(self.formLayoutWidget_4)
+        self.fileTimeLayout.setObjectName("fileTimeLayout")
+        self.fileTimeStartLabel = QtGui.QLabel(self.formLayoutWidget_4)
+        self.fileTimeStartLabel.setObjectName("fileTimeStartLabel")
+        self.fileTimeLayout.setWidget(0, QtGui.QFormLayout.LabelRole, self.fileTimeStartLabel)
+        self.fileTimeStartLineEdit = QtGui.QLineEdit(self.formLayoutWidget_4)
+        self.fileTimeStartLineEdit.setObjectName("fileTimeStartLineEdit")
+        self.fileTimeLayout.setWidget(0, QtGui.QFormLayout.FieldRole, self.fileTimeStartLineEdit)
+        self.fileTimeStopLabel = QtGui.QLabel(self.formLayoutWidget_4)
+        self.fileTimeStopLabel.setObjectName("fileTimeStopLabel")
+        self.fileTimeLayout.setWidget(1, QtGui.QFormLayout.LabelRole, self.fileTimeStopLabel)
+        self.fileTimeStopLineEdit = QtGui.QLineEdit(self.formLayoutWidget_4)
+        self.fileTimeStopLineEdit.setObjectName("fileTimeStopLineEdit")
+        self.fileTimeLayout.setWidget(1, QtGui.QFormLayout.FieldRole, self.fileTimeStopLineEdit)
+        self.fileTimeLengthLabel = QtGui.QLabel(self.formLayoutWidget_4)
+        self.fileTimeLengthLabel.setObjectName("fileTimeLengthLabel")
+        self.fileTimeLayout.setWidget(2, QtGui.QFormLayout.LabelRole, self.fileTimeLengthLabel)
+        self.fileTimeLengthLineEdit = QtGui.QLineEdit(self.formLayoutWidget_4)
+        self.fileTimeLengthLineEdit.setObjectName("fileTimeLengthLineEdit")
+        self.fileTimeLayout.setWidget(2, QtGui.QFormLayout.FieldRole, self.fileTimeLengthLineEdit)
+        self.sysGroupBox = QtGui.QGroupBox(self.filePosBox)
+        self.sysGroupBox.setGeometry(QtCore.QRect(530, 0, 200, 120))
+        self.sysGroupBox.setMinimumSize(QtCore.QSize(200, 0))
+        self.sysGroupBox.setObjectName("sysGroupBox")
+        self.formLayoutWidget_3 = QtGui.QWidget(self.sysGroupBox)
+        self.formLayoutWidget_3.setGeometry(QtCore.QRect(0, 20, 191, 91))
+        self.formLayoutWidget_3.setObjectName("formLayoutWidget_3")
+        self.formLayout_2 = QtGui.QFormLayout(self.formLayoutWidget_3)
+        self.formLayout_2.setObjectName("formLayout_2")
+        self.sampleRateLabel = QtGui.QLabel(self.formLayoutWidget_3)
+        self.sampleRateLabel.setObjectName("sampleRateLabel")
+        self.formLayout_2.setWidget(0, QtGui.QFormLayout.LabelRole, self.sampleRateLabel)
+        self.sampleRateLineEdit = QtGui.QLineEdit(self.formLayoutWidget_3)
+        self.sampleRateLineEdit.setMinimumSize(QtCore.QSize(0, 0))
+        self.sampleRateLineEdit.setObjectName("sampleRateLineEdit")
+        self.formLayout_2.setWidget(0, QtGui.QFormLayout.FieldRole, self.sampleRateLineEdit)
+        self.displayGroupBox = QtGui.QGroupBox(self.filePosBox)
+        self.displayGroupBox.setGeometry(QtCore.QRect(730, 0, 170, 120))
+        self.displayGroupBox.setMinimumSize(QtCore.QSize(170, 0))
+        self.displayGroupBox.setObjectName("displayGroupBox")
+        self.verticalLayoutWidget = QtGui.QWidget(self.displayGroupBox)
+        self.verticalLayoutWidget.setGeometry(QtCore.QRect(0, 20, 160, 91))
+        self.verticalLayoutWidget.setObjectName("verticalLayoutWidget")
+        self.verticalLayout = QtGui.QVBoxLayout(self.verticalLayoutWidget)
+        self.verticalLayout.setObjectName("verticalLayout")
+        self.colorComboBox = QtGui.QComboBox(self.verticalLayoutWidget)
+        self.colorComboBox.setObjectName("colorComboBox")
+        self.verticalLayout.addWidget(self.colorComboBox)
+        spacerItem = QtGui.QSpacerItem(20, 40, QtGui.QSizePolicy.Minimum, QtGui.QSizePolicy.Expanding)
+        self.verticalLayout.addItem(spacerItem)
+        self.gridLayout.addWidget(self.filePosBox, 3, 0, 1, 1)
+        MainWindow.setCentralWidget(self.centralwidget)
+        self.menubar = QtGui.QMenuBar(MainWindow)
+        self.menubar.setGeometry(QtCore.QRect(0, 0, 927, 24))
+        self.menubar.setObjectName("menubar")
+        self.menu_File = QtGui.QMenu(self.menubar)
+        self.menu_File.setObjectName("menu_File")
+        MainWindow.setMenuBar(self.menubar)
+        self.statusbar = QtGui.QStatusBar(MainWindow)
+        self.statusbar.setObjectName("statusbar")
+        MainWindow.setStatusBar(self.statusbar)
+        self.action_open = QtGui.QAction(MainWindow)
+        self.action_open.setObjectName("action_open")
+        self.action_exit = QtGui.QAction(MainWindow)
+        self.action_exit.setObjectName("action_exit")
+        self.menu_File.addAction(self.action_open)
+        self.menu_File.addAction(self.action_exit)
+        self.menubar.addAction(self.menu_File.menuAction())
+
+        self.retranslateUi(MainWindow)
+        self.tabGroup.setCurrentIndex(0)
+        QtCore.QObject.connect(self.action_exit, QtCore.SIGNAL("activated()"), MainWindow.close)
+        QtCore.QMetaObject.connectSlotsByName(MainWindow)
+
+    def retranslateUi(self, MainWindow):
+        MainWindow.setWindowTitle(QtGui.QApplication.translate("MainWindow", "MainWindow", None, QtGui.QApplication.UnicodeUTF8))
+        self.tabGroup.setTabText(self.tabGroup.indexOf(self.timeTab), QtGui.QApplication.translate("MainWindow", "Time Domain", None, QtGui.QApplication.UnicodeUTF8))
+        self.fftPropBox.setTitle(QtGui.QApplication.translate("MainWindow", "FFT Properties", None, QtGui.QApplication.UnicodeUTF8))
+        self.psdFFTSizeLabel.setText(QtGui.QApplication.translate("MainWindow", "FFT Size", None, QtGui.QApplication.UnicodeUTF8))
+        self.tabGroup.setTabText(self.tabGroup.indexOf(self.freqTab), QtGui.QApplication.translate("MainWindow", "Frequency Domain", None, QtGui.QApplication.UnicodeUTF8))
+        self.groupBox.setTitle(QtGui.QApplication.translate("MainWindow", "Spectrogram Properties", None, QtGui.QApplication.UnicodeUTF8))
+        self.specFFTLabel.setText(QtGui.QApplication.translate("MainWindow", "FFT Size", None, QtGui.QApplication.UnicodeUTF8))
+        self.tabGroup.setTabText(self.tabGroup.indexOf(self.specTab), QtGui.QApplication.translate("MainWindow", "Spectrogram", None, QtGui.QApplication.UnicodeUTF8))
+        self.filePosBox.setTitle(QtGui.QApplication.translate("MainWindow", "File Position", None, QtGui.QApplication.UnicodeUTF8))
+        self.filePosStartLabel.setText(QtGui.QApplication.translate("MainWindow", "Start", None, QtGui.QApplication.UnicodeUTF8))
+        self.filePosStopLabel.setText(QtGui.QApplication.translate("MainWindow", "Stop", None, QtGui.QApplication.UnicodeUTF8))
+        self.filePosLengthLabel.setText(QtGui.QApplication.translate("MainWindow", "Length", None, QtGui.QApplication.UnicodeUTF8))
+        self.fileTimeStartLabel.setText(QtGui.QApplication.translate("MainWindow", "time start (sec)", None, QtGui.QApplication.UnicodeUTF8))
+        self.fileTimeStopLabel.setText(QtGui.QApplication.translate("MainWindow", "time stop (sec)", None, QtGui.QApplication.UnicodeUTF8))
+        self.fileTimeLengthLabel.setText(QtGui.QApplication.translate("MainWindow", "time length (sec)", None, QtGui.QApplication.UnicodeUTF8))
+        self.sysGroupBox.setTitle(QtGui.QApplication.translate("MainWindow", "System Properties", None, QtGui.QApplication.UnicodeUTF8))
+        self.sampleRateLabel.setText(QtGui.QApplication.translate("MainWindow", "Sample Rate", None, QtGui.QApplication.UnicodeUTF8))
+        self.displayGroupBox.setTitle(QtGui.QApplication.translate("MainWindow", "Display Properties", None, QtGui.QApplication.UnicodeUTF8))
+        self.menu_File.setTitle(QtGui.QApplication.translate("MainWindow", "&File", None, QtGui.QApplication.UnicodeUTF8))
+        self.action_open.setText(QtGui.QApplication.translate("MainWindow", "&Open", None, QtGui.QApplication.UnicodeUTF8))
+        self.action_open.setShortcut(QtGui.QApplication.translate("MainWindow", "Ctrl+O", None, QtGui.QApplication.UnicodeUTF8))
+        self.action_exit.setText(QtGui.QApplication.translate("MainWindow", "E&xit", None, QtGui.QApplication.UnicodeUTF8))
+
+from PyQt4 import Qwt5
diff --git a/gr-utils/src/python/pyqt_plot.ui b/gr-utils/src/python/pyqt_plot.ui
new file mode 100644 (file)
index 0000000..19a62ad
--- /dev/null
@@ -0,0 +1,389 @@
+<ui version="4.0" >
+ <class>MainWindow</class>
+ <widget class="QMainWindow" name="MainWindow" >
+  <property name="geometry" >
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>927</width>
+    <height>696</height>
+   </rect>
+  </property>
+  <property name="windowTitle" >
+   <string>MainWindow</string>
+  </property>
+  <widget class="QWidget" name="centralwidget" >
+   <layout class="QGridLayout" name="gridLayout" >
+    <item row="2" column="0" colspan="2" >
+     <widget class="QScrollBar" name="plotHBar" >
+      <property name="orientation" >
+       <enum>Qt::Horizontal</enum>
+      </property>
+     </widget>
+    </item>
+    <item row="1" column="0" >
+     <widget class="QTabWidget" name="tabGroup" >
+      <property name="currentIndex" >
+       <number>0</number>
+      </property>
+      <widget class="QWidget" name="timeTab" >
+       <attribute name="title" >
+        <string>Time Domain</string>
+       </attribute>
+       <layout class="QHBoxLayout" name="horizontalLayout" >
+        <item>
+         <widget class="QwtPlot" name="timePlot" />
+        </item>
+       </layout>
+      </widget>
+      <widget class="QWidget" name="freqTab" >
+       <attribute name="title" >
+        <string>Frequency Domain</string>
+       </attribute>
+       <layout class="QHBoxLayout" name="horizontalLayout_2" >
+        <item>
+         <widget class="QGroupBox" name="fftPropBox" >
+          <property name="minimumSize" >
+           <size>
+            <width>160</width>
+            <height>0</height>
+           </size>
+          </property>
+          <property name="title" >
+           <string>FFT Properties</string>
+          </property>
+          <layout class="QFormLayout" name="formLayout_4" >
+           <property name="fieldGrowthPolicy" >
+            <enum>QFormLayout::AllNonFixedFieldsGrow</enum>
+           </property>
+           <item row="0" column="1" >
+            <widget class="QComboBox" name="psdFFTComboBox" >
+             <property name="minimumSize" >
+              <size>
+               <width>96</width>
+               <height>0</height>
+              </size>
+             </property>
+             <property name="maximumSize" >
+              <size>
+               <width>96</width>
+               <height>16777215</height>
+              </size>
+             </property>
+            </widget>
+           </item>
+           <item row="0" column="0" >
+            <widget class="QLabel" name="psdFFTSizeLabel" >
+             <property name="text" >
+              <string>FFT Size</string>
+             </property>
+            </widget>
+           </item>
+          </layout>
+         </widget>
+        </item>
+        <item>
+         <widget class="QwtPlot" name="freqPlot" />
+        </item>
+       </layout>
+      </widget>
+      <widget class="QWidget" name="specTab" >
+       <attribute name="title" >
+        <string>Spectrogram</string>
+       </attribute>
+       <layout class="QHBoxLayout" name="horizontalLayout_3" >
+        <item>
+         <widget class="QGroupBox" name="groupBox" >
+          <property name="title" >
+           <string>Spectrogram Properties</string>
+          </property>
+          <layout class="QFormLayout" name="formLayout_3" >
+           <item row="1" column="0" >
+            <widget class="QLabel" name="specFFTLabel" >
+             <property name="text" >
+              <string>FFT Size</string>
+             </property>
+            </widget>
+           </item>
+           <item row="1" column="1" >
+            <widget class="QComboBox" name="specFFTComboBox" >
+             <property name="minimumSize" >
+              <size>
+               <width>96</width>
+               <height>0</height>
+              </size>
+             </property>
+             <property name="maximumSize" >
+              <size>
+               <width>96</width>
+               <height>16777215</height>
+              </size>
+             </property>
+            </widget>
+           </item>
+          </layout>
+         </widget>
+        </item>
+        <item>
+         <widget class="QwtPlot" name="specPlot" />
+        </item>
+       </layout>
+       <zorder>specPlot</zorder>
+       <zorder>groupBox</zorder>
+      </widget>
+     </widget>
+    </item>
+    <item row="3" column="0" >
+     <widget class="QGroupBox" name="filePosBox" >
+      <property name="minimumSize" >
+       <size>
+        <width>0</width>
+        <height>120</height>
+       </size>
+      </property>
+      <property name="title" >
+       <string>File Position</string>
+      </property>
+      <widget class="QWidget" name="formLayoutWidget_2" >
+       <property name="geometry" >
+        <rect>
+         <x>0</x>
+         <y>20</y>
+         <width>160</width>
+         <height>92</height>
+        </rect>
+       </property>
+       <layout class="QFormLayout" name="filePosLayout" >
+        <item row="0" column="0" >
+         <widget class="QLabel" name="filePosStartLabel" >
+          <property name="text" >
+           <string>Start</string>
+          </property>
+         </widget>
+        </item>
+        <item row="0" column="1" >
+         <widget class="QLineEdit" name="filePosStartLineEdit" />
+        </item>
+        <item row="1" column="0" >
+         <widget class="QLabel" name="filePosStopLabel" >
+          <property name="text" >
+           <string>Stop</string>
+          </property>
+         </widget>
+        </item>
+        <item row="1" column="1" >
+         <widget class="QLineEdit" name="filePosStopLineEdit" />
+        </item>
+        <item row="2" column="0" >
+         <widget class="QLabel" name="filePosLengthLabel" >
+          <property name="text" >
+           <string>Length</string>
+          </property>
+         </widget>
+        </item>
+        <item row="2" column="1" >
+         <widget class="QLineEdit" name="filePosLengthLineEdit" />
+        </item>
+       </layout>
+      </widget>
+      <widget class="QWidget" name="formLayoutWidget_4" >
+       <property name="geometry" >
+        <rect>
+         <x>180</x>
+         <y>20</y>
+         <width>231</width>
+         <height>92</height>
+        </rect>
+       </property>
+       <layout class="QFormLayout" name="fileTimeLayout" >
+        <item row="0" column="0" >
+         <widget class="QLabel" name="fileTimeStartLabel" >
+          <property name="text" >
+           <string>time start (sec)</string>
+          </property>
+         </widget>
+        </item>
+        <item row="0" column="1" >
+         <widget class="QLineEdit" name="fileTimeStartLineEdit" />
+        </item>
+        <item row="1" column="0" >
+         <widget class="QLabel" name="fileTimeStopLabel" >
+          <property name="text" >
+           <string>time stop (sec)</string>
+          </property>
+         </widget>
+        </item>
+        <item row="1" column="1" >
+         <widget class="QLineEdit" name="fileTimeStopLineEdit" />
+        </item>
+        <item row="2" column="0" >
+         <widget class="QLabel" name="fileTimeLengthLabel" >
+          <property name="text" >
+           <string>time length (sec)</string>
+          </property>
+         </widget>
+        </item>
+        <item row="2" column="1" >
+         <widget class="QLineEdit" name="fileTimeLengthLineEdit" />
+        </item>
+       </layout>
+      </widget>
+      <widget class="QGroupBox" name="sysGroupBox" >
+       <property name="geometry" >
+        <rect>
+         <x>530</x>
+         <y>0</y>
+         <width>200</width>
+         <height>120</height>
+        </rect>
+       </property>
+       <property name="minimumSize" >
+        <size>
+         <width>200</width>
+         <height>0</height>
+        </size>
+       </property>
+       <property name="title" >
+        <string>System Properties</string>
+       </property>
+       <widget class="QWidget" name="formLayoutWidget_3" >
+        <property name="geometry" >
+         <rect>
+          <x>0</x>
+          <y>20</y>
+          <width>191</width>
+          <height>91</height>
+         </rect>
+        </property>
+        <layout class="QFormLayout" name="formLayout_2" >
+         <item row="0" column="0" >
+          <widget class="QLabel" name="sampleRateLabel" >
+           <property name="text" >
+            <string>Sample Rate</string>
+           </property>
+          </widget>
+         </item>
+         <item row="0" column="1" >
+          <widget class="QLineEdit" name="sampleRateLineEdit" >
+           <property name="minimumSize" >
+            <size>
+             <width>0</width>
+             <height>0</height>
+            </size>
+           </property>
+          </widget>
+         </item>
+        </layout>
+       </widget>
+      </widget>
+      <widget class="QGroupBox" name="displayGroupBox" >
+       <property name="geometry" >
+        <rect>
+         <x>730</x>
+         <y>0</y>
+         <width>170</width>
+         <height>120</height>
+        </rect>
+       </property>
+       <property name="minimumSize" >
+        <size>
+         <width>170</width>
+         <height>0</height>
+        </size>
+       </property>
+       <property name="title" >
+        <string>Display Properties</string>
+       </property>
+       <widget class="QWidget" name="verticalLayoutWidget" >
+        <property name="geometry" >
+         <rect>
+          <x>0</x>
+          <y>20</y>
+          <width>160</width>
+          <height>91</height>
+         </rect>
+        </property>
+        <layout class="QVBoxLayout" name="verticalLayout" >
+         <item>
+          <widget class="QComboBox" name="colorComboBox" />
+         </item>
+         <item>
+          <spacer name="verticalSpacer" >
+           <property name="orientation" >
+            <enum>Qt::Vertical</enum>
+           </property>
+           <property name="sizeHint" stdset="0" >
+            <size>
+             <width>20</width>
+             <height>40</height>
+            </size>
+           </property>
+          </spacer>
+         </item>
+        </layout>
+       </widget>
+      </widget>
+     </widget>
+    </item>
+   </layout>
+  </widget>
+  <widget class="QMenuBar" name="menubar" >
+   <property name="geometry" >
+    <rect>
+     <x>0</x>
+     <y>0</y>
+     <width>927</width>
+     <height>24</height>
+    </rect>
+   </property>
+   <widget class="QMenu" name="menu_File" >
+    <property name="title" >
+     <string>&amp;File</string>
+    </property>
+    <addaction name="action_open" />
+    <addaction name="action_exit" />
+   </widget>
+   <addaction name="menu_File" />
+  </widget>
+  <widget class="QStatusBar" name="statusbar" />
+  <action name="action_open" >
+   <property name="text" >
+    <string>&amp;Open</string>
+   </property>
+   <property name="shortcut" >
+    <string>Ctrl+O</string>
+   </property>
+  </action>
+  <action name="action_exit" >
+   <property name="text" >
+    <string>E&amp;xit</string>
+   </property>
+  </action>
+ </widget>
+ <customwidgets>
+  <customwidget>
+   <class>QwtPlot</class>
+   <extends>QFrame</extends>
+   <header>qwt_plot.h</header>
+  </customwidget>
+ </customwidgets>
+ <resources/>
+ <connections>
+  <connection>
+   <sender>action_exit</sender>
+   <signal>activated()</signal>
+   <receiver>MainWindow</receiver>
+   <slot>close()</slot>
+   <hints>
+    <hint type="sourcelabel" >
+     <x>-1</x>
+     <y>-1</y>
+    </hint>
+    <hint type="destinationlabel" >
+     <x>399</x>
+     <y>347</y>
+    </hint>
+   </hints>
+  </connection>
+ </connections>
+</ui>