git.gag.com Git - debian/gnuradio/blob - gr-utils/src/python/gr_plot_qt.py

   1 #!/usr/bin/env python
   2
   3 try:
   4     import scipy
   5     from scipy import fftpack
   6 except ImportError:
   7     print "Please install SciPy to run this script (http://www.scipy.org/)"
   8     raise SystemExit, 1
   9
  10 try:
  11     from matplotlib import mlab
  12 except ImportError:
  13     print "Please install Matplotlib to run this script (http://matplotlib.sourceforge.net)"
  14     raise SystemExit, 1
  15
  16 try:
  17     from PyQt4 import Qt, QtCore, QtGui
  18 except ImportError:
  19     print "Please install PyQt4 to run this script (http://www.riverbankcomputing.co.uk/software/pyqt/download)"
  20     raise SystemExit, 1
  21
  22 try:
  23     import PyQt4.Qwt5 as Qwt
  24 except ImportError:
  25     print "Please install PyQwt5 to run this script (http://pyqwt.sourceforge.net/)"
  26     raise SystemExit, 1
  27
  28 try:
  29     # FIXME: reenable this before committing
  30     #from gnuradio.pyqt_plot import Ui_MainWindow
  31     from pyqt_plot import Ui_MainWindow
  32 except ImportError:
  33     print "Could not import from pyqt_plot. Please build with \"pyuic4 pyqt_plot.ui -o pyqt_plot.py\""
  34     raise SystemExit, 1
  35
  36 import sys, os
  37 from optparse import OptionParser
  38 from gnuradio import eng_notation
  39
  40
  41 class SpectrogramData(Qwt.QwtRasterData):
  42
  43     def __init__(self, f, t):
  44         Qwt.QwtArrayData.__init__(self, Qt.QRectF(0, 0, 0, 0))
  45         self.sp = scipy.array([[0], [0]])
  46
  47     def set_data(self, xfreq, ytime, data):
  48         self.sp = data
  49         self.freq = xfreq
  50         self.time = ytime
  51         boundingBox = Qt.QRectF(self.freq.min(), self.time.min(),
  52                                 self.freq.max() - self.freq.min(),
  53                                 self.time.max() - self.time.min())
  54         self.setBoundingRect(boundingBox)
  55
  56     def rasterHint(self, rect):
  57         return Qt.QSize(self.sp.shape[0], self.sp.shape[1])
  58
  59     def copy(self):
  60         return self
  61
  62     def range(self):
  63
  64         return Qwt.QwtDoubleInterval(self.sp.min(), self.sp.max())
  65
  66     def value(self, x, y):
  67         try:
  68             f = int(self.freq.searchsorted(x))
  69             t = int(self.time.searchsorted(y))
  70             return self.sp[f][t-1]
  71         except AttributeError: # if no file loaded yet
  72             return 0
  73
  74
  75 class gr_plot_qt(QtGui.QMainWindow):
  76     def __init__(self, qapp, filename, options, parent=None):
  77         QtGui.QWidget.__init__(self, parent)
  78         self.gui = Ui_MainWindow()
  79         self.gui.setupUi(self)
  80
  81         self.filename = None
  82         self.block_length = options.block_length
  83         self.start = options.start
  84         self.sample_rate = options.sample_rate
  85         self.psdfftsize = options.psd_size
  86         self.specfftsize = options.spec_size
  87         self.winfunc = scipy.blackman
  88         self.sizeof_data = 8
  89         self.datatype = scipy.complex64
  90         self.pen_width = 1
  91         self.iq = list()
  92         self.time = list()
  93
  94         # Set up basic plot attributes
  95         self.gui.timePlot.setAxisTitle(self.gui.timePlot.xBottom, "Time (sec)")
  96         self.gui.timePlot.setAxisTitle(self.gui.timePlot.yLeft, "Amplitude (V)")
  97         self.gui.freqPlot.setAxisTitle(self.gui.freqPlot.xBottom, "Frequency (Hz)")
  98         self.gui.freqPlot.setAxisTitle(self.gui.freqPlot.yLeft, "Magnitude (dB)")
  99         self.gui.specPlot.setAxisTitle(self.gui.specPlot.xBottom, "Frequency (Hz)")
 100         self.gui.specPlot.setAxisTitle(self.gui.specPlot.yLeft, "Time (sec)")
 101
 102         # Set up FFT size combo box
 103         self.fftsizes = ["128", "256", "512", "1024", "2048",
 104                          "4096", "8192", "16384", "32768"]
 105         self.gui.psdFFTComboBox.addItems(self.fftsizes)
 106         self.gui.specFFTComboBox.addItems(self.fftsizes)
 107         pos = self.gui.psdFFTComboBox.findText(Qt.QString("%1").arg(self.psdfftsize))
 108         self.gui.psdFFTComboBox.setCurrentIndex(pos)
 109         pos = self.gui.specFFTComboBox.findText(Qt.QString("%1").arg(self.specfftsize))
 110         self.gui.specFFTComboBox.setCurrentIndex(pos)
 111
 112         self.connect(self.gui.psdFFTComboBox,
 113                      Qt.SIGNAL("activated (const QString&)"),
 114                      self.psdFFTComboBoxEdit)
 115         self.connect(self.gui.specFFTComboBox,
 116                      Qt.SIGNAL("activated (const QString&)"),
 117                      self.specFFTComboBoxEdit)
 118
 119         # Set up color scheme box
 120         self.color_modes = {"Black on White" : self.color_black_on_white,
 121                             "White on Black" : self.color_white_on_black,
 122                             "Blue on Black"  : self.color_blue_on_black,
 123                             "Green on Black" : self.color_green_on_black}
 124         self.gui.colorComboBox.addItems(self.color_modes.keys())
 125         pos = self.gui.colorComboBox.findText("Blue on Black")
 126         self.gui.colorComboBox.setCurrentIndex(pos)
 127         self.connect(self.gui.colorComboBox,
 128                      Qt.SIGNAL("activated (const QString&)"),
 129                      self.colorComboBoxEdit)
 130
 131
 132         # Set up line style combo box
 133         self.line_styles = {"None" : Qwt.QwtSymbol.NoSymbol,
 134                             "Circle" : Qwt.QwtSymbol.Ellipse,
 135                             "Diamond"  : Qwt.QwtSymbol.Rect,
 136                             "Triangle" : Qwt.QwtSymbol.Triangle}
 137         self.gui.lineStyleComboBox.addItems(self.line_styles.keys())
 138         pos = self.gui.lineStyleComboBox.findText("None")
 139         self.gui.lineStyleComboBox.setCurrentIndex(pos)
 140         self.connect(self.gui.lineStyleComboBox,
 141                      Qt.SIGNAL("activated (const QString&)"),
 142                      self.lineStyleComboBoxEdit)
 143
 144         # Create zoom functionality for the plots
 145         self.timeZoomer = Qwt.QwtPlotZoomer(self.gui.timePlot.xBottom,
 146                                             self.gui.timePlot.yLeft,
 147                                             Qwt.QwtPicker.PointSelection,
 148                                             Qwt.QwtPicker.AlwaysOn,
 149                                             self.gui.timePlot.canvas())
 150
 151         self.freqZoomer = Qwt.QwtPlotZoomer(self.gui.freqPlot.xBottom,
 152                                             self.gui.freqPlot.yLeft,
 153                                             Qwt.QwtPicker.PointSelection,
 154                                             Qwt.QwtPicker.AlwaysOn,
 155                                             self.gui.freqPlot.canvas())
 156
 157         self.specZoomer = Qwt.QwtPlotZoomer(self.gui.specPlot.xBottom,
 158                                             self.gui.specPlot.yLeft,
 159                                             Qwt.QwtPicker.PointSelection,
 160                                             Qwt.QwtPicker.AlwaysOn,
 161                                             self.gui.specPlot.canvas())
 162
 163         # Set up action when tab is changed
 164         self.connect(self.gui.tabGroup,
 165                      Qt.SIGNAL("currentChanged (int)"),
 166                      self.tabChanged)
 167
 168         # Add a legend to the Time plot
 169         legend_real = Qwt.QwtLegend()
 170         self.gui.timePlot.insertLegend(legend_real)
 171
 172         # Set up slider
 173         self.gui.plotHBar.setSingleStep(1)
 174         self.gui.plotHBar.setPageStep(self.block_length)
 175         self.gui.plotHBar.setMinimum(0)
 176         self.gui.plotHBar.setMaximum(self.block_length)
 177         self.connect(self.gui.plotHBar,
 178                      Qt.SIGNAL("valueChanged(int)"),
 179                      self.sliderMoved)
 180
 181         # Connect Open action to Open Dialog box
 182         self.connect(self.gui.action_open,
 183                      Qt.SIGNAL("activated()"),
 184                      self.open_file)
 185
 186         # Connect Reload action to reload the file
 187         self.connect(self.gui.action_reload,
 188                      Qt.SIGNAL("activated()"),
 189                      self.reload_file)
 190         self.gui.action_reload.setShortcut(QtGui.QApplication.translate("MainWindow", "Ctrl+R",
 191                                                                         None, QtGui.QApplication.UnicodeUTF8))
 192
 193         # Set up file position boxes to update current figure
 194         self.connect(self.gui.filePosStartLineEdit,
 195                      Qt.SIGNAL("editingFinished()"),
 196                      self.file_position_changed)
 197         self.connect(self.gui.filePosStopLineEdit,
 198                      Qt.SIGNAL("editingFinished()"),
 199                      self.file_position_changed)
 200         self.connect(self.gui.filePosLengthLineEdit,
 201                      Qt.SIGNAL("editingFinished()"),
 202                      self.file_length_changed)
 203
 204         self.connect(self.gui.fileTimeStartLineEdit,
 205                      Qt.SIGNAL("editingFinished()"),
 206                      self.file_time_changed)
 207         self.connect(self.gui.fileTimeStopLineEdit,
 208                      Qt.SIGNAL("editingFinished()"),
 209                      self.file_time_changed)
 210         self.connect(self.gui.fileTimeLengthLineEdit,
 211                      Qt.SIGNAL("editingFinished()"),
 212                      self.file_time_length_changed)
 213
 214         stylestr = str(self.gui.lineStyleComboBox.currentText().toAscii())
 215         style = self.line_styles[stylestr]
 216
 217         self.rcurve = Qwt.QwtPlotCurve("Real")
 218         self.icurve = Qwt.QwtPlotCurve("Imaginary")
 219         self.rsym = Qwt.QwtSymbol()
 220         self.rsym.setStyle(style)
 221         self.rsym.setSize(10)
 222         self.isym = Qwt.QwtSymbol()
 223         self.isym.setStyle(style)
 224         self.isym.setSize(10)
 225         self.rcurve.setSymbol(self.rsym)
 226         self.icurve.setSymbol(self.isym)
 227
 228
 229         self.icurve.attach(self.gui.timePlot)
 230         self.rcurve.attach(self.gui.timePlot)
 231
 232         self.psdcurve = Qwt.QwtPlotCurve("PSD")
 233         self.psdcurve.attach(self.gui.freqPlot)
 234
 235         # Set up specTab plot as a spectrogram
 236         self.specdata = SpectrogramData(range(0, 10), range(0, 10))
 237
 238         colorMap = Qwt.QwtLinearColorMap(Qt.Qt.darkCyan, Qt.Qt.red)
 239         colorMap.addColorStop(0.1, Qt.Qt.cyan)
 240         colorMap.addColorStop(0.6, Qt.Qt.green)
 241         colorMap.addColorStop(0.95, Qt.Qt.yellow)
 242
 243         self.spec = Qwt.QwtPlotSpectrogram()
 244         self.spec.setColorMap(colorMap)
 245         self.spec.attach(self.gui.specPlot)
 246         self.spec.setDisplayMode(Qwt.QwtPlotSpectrogram.ImageMode, True)
 247         self.spec.setData(self.specdata)
 248
 249         self.rightAxis = self.gui.specPlot.axisWidget(Qwt.QwtPlot.yRight)
 250         self.rightAxis.setTitle("Magnitude (dBm)")
 251         self.rightAxis.setColorBarEnabled(True)
 252         self.rightAxis.setColorMap(self.spec.data().range(),
 253                                    self.spec.colorMap())
 254         self.gui.specPlot.enableAxis(Qwt.QwtPlot.yRight)
 255
 256         # Set up initial color scheme
 257         self.color_modes["Blue on Black"]()
 258
 259         # When line width spin box changes, update the pen size
 260         self.connect(self.gui.lineWidthSpinBox,
 261                      Qt.SIGNAL("valueChanged(int)"),
 262                      self.change_pen_width)
 263         self.gui.lineWidthSpinBox.setRange(1, 10)
 264
 265         # When style size spin box changes, update the pen size
 266         self.connect(self.gui.styleSizeSpinBox,
 267                      Qt.SIGNAL("valueChanged(int)"),
 268                      self.change_style_size)
 269         self.gui.styleSizeSpinBox.setRange(1, 20)
 270         self.gui.styleSizeSpinBox.setValue(5)
 271
 272
 273         # Connect a signal for when the sample rate changes
 274         self.set_sample_rate(self.sample_rate)
 275         self.connect(self.gui.sampleRateLineEdit,
 276                      Qt.SIGNAL("editingFinished()"),
 277                      self.sample_rate_changed)
 278
 279         if(filename is not None):
 280             self.initialize(filename)
 281
 282         self.show()
 283
 284     def open_file(self):
 285         filename = Qt.QFileDialog.getOpenFileName(self, "Open", ".")
 286         if(filename != ""):
 287             #print filename
 288             self.initialize(filename)
 289
 290     def reload_file(self):
 291         if(self.filename):
 292             self.initialize(self.filename)
 293
 294     def initialize(self, filename):
 295         self.filename = filename
 296         self.hfile = open(filename, "r")
 297
 298         self.setWindowTitle(("GNU Radio File Plot Utility: %s" % filename))
 299
 300         self.gui.filePosStartLineEdit.setText("0")
 301         self.gui.filePosStopLineEdit.setText("0")
 302         self.gui.fileTimeStartLineEdit.setText("0")
 303         self.gui.fileTimeStopLineEdit.setText("0")
 304
 305         self.cur_start = 0
 306         self.cur_stop = self.block_length
 307
 308         self.init_data_input()
 309         self.get_data(self.cur_start, self.cur_stop)
 310         self.get_psd()
 311         self.get_specgram()
 312         self.gui.plotHBar.setSliderPosition(0)
 313         self.gui.plotHBar.setMaximum(self.signal_size-self.block_length)
 314
 315
 316         self.update_time_curves()
 317         self.update_psd_curves()
 318         self.update_specgram_curves()
 319
 320     def init_data_input(self):
 321         self.hfile.seek(0, os.SEEK_END)
 322         self.signal_size = self.hfile.tell()/self.sizeof_data
 323         #print "Sizeof File: ", self.signal_size
 324         self.hfile.seek(0, os.SEEK_SET)
 325
 326     def get_data(self, start, end):
 327         if(end > start):
 328             self.hfile.seek(start*self.sizeof_data, os.SEEK_SET)
 329             self.position = start
 330             try:
 331                 iq = scipy.fromfile(self.hfile, dtype=self.datatype,
 332                                     count=end-start)
 333
 334                 if(len(iq) < (end-start)):
 335                     end = start + len(iq)
 336                     self.gui.filePosLengthLineEdit.setText(Qt.QString("%1").arg(len(iq)))
 337                     self.file_length_changed()
 338
 339                 tstep = 1.0 / self.sample_rate
 340                 self.iq = iq
 341                 self.time = [tstep*(self.position + i) for i in xrange(len(self.iq))]
 342
 343                 self.set_file_pos_box(start, end)
 344             except MemoryError:
 345                 pass
 346         else:
 347             # Do we want to do anything about this?
 348             pass
 349
 350     def get_psd(self):
 351         winpoints = self.winfunc(self.psdfftsize)
 352         iq_psd, freq = mlab.psd(self.iq, Fs=self.sample_rate,
 353                                 NFFT=self.psdfftsize,
 354                                 noverlap=self.psdfftsize/4.0,
 355                                 window=winpoints,
 356                                 scale_by_freq=False)
 357
 358         self.iq_psd = 10.0*scipy.log10(abs(fftpack.fftshift(iq_psd)))
 359         self.freq = freq - self.sample_rate/2.0
 360
 361     def get_specgram(self):
 362         winpoints = self.winfunc(self.specfftsize)
 363         iq_spec, f, t = mlab.specgram(self.iq, Fs=self.sample_rate,
 364                                       NFFT=self.specfftsize,
 365                                       noverlap=self.specfftsize/4.0,
 366                                       window=winpoints,
 367                                       scale_by_freq=False)
 368
 369         self.iq_spec = 10.0*scipy.log10(abs(iq_spec))
 370         self.spec_f = f
 371         self.spec_t = t
 372
 373     def psdFFTComboBoxEdit(self, fftSize):
 374         self.psdfftsize = fftSize.toInt()[0]
 375         self.get_psd()
 376         self.update_psd_curves()
 377
 378     def specFFTComboBoxEdit(self, fftSize):
 379         self.specfftsize = fftSize.toInt()[0]
 380         self.get_specgram()
 381         self.update_specgram_curves()
 382
 383     def colorComboBoxEdit(self, colorSelection):
 384         colorstr = str(colorSelection.toAscii())
 385         color_func = self.color_modes[colorstr]
 386         color_func()
 387
 388     def lineStyleComboBoxEdit(self, styleSelection):
 389         stylestr = str(styleSelection.toAscii())
 390         self.rsym.setStyle(self.line_styles[stylestr])
 391         self.isym.setStyle(self.line_styles[stylestr])
 392         self.rcurve.setSymbol(self.rsym)
 393         self.icurve.setSymbol(self.isym)
 394         self.gui.timePlot.replot()
 395
 396     def sliderMoved(self, value):
 397         pos_start = value
 398         pos_end = value + self.gui.plotHBar.pageStep()
 399
 400         self.get_data(pos_start, pos_end)
 401         self.get_psd()
 402         self.get_specgram()
 403         self.update_time_curves()
 404         self.update_psd_curves()
 405         self.update_specgram_curves()
 406
 407     def set_sample_rate(self, sr):
 408         self.sample_rate = sr
 409         srstr = eng_notation.num_to_str(self.sample_rate)
 410         self.gui.sampleRateLineEdit.setText(Qt.QString("%1").arg(srstr))
 411
 412     def sample_rate_changed(self):
 413         srstr = self.gui.sampleRateLineEdit.text().toAscii()
 414         self.sample_rate = eng_notation.str_to_num(srstr)
 415         self.set_file_pos_box(self.cur_start, self.cur_stop)
 416         self.get_data(self.cur_start, self.cur_stop)
 417         self.get_psd()
 418         self.get_specgram()
 419         self.update_time_curves()
 420         self.update_psd_curves()
 421         self.update_specgram_curves()
 422
 423     def set_file_pos_box(self, start, end):
 424         tstart = start / self.sample_rate
 425         tend = end / self.sample_rate
 426
 427         self.gui.filePosStartLineEdit.setText(Qt.QString("%1").arg(start))
 428         self.gui.filePosStopLineEdit.setText(Qt.QString("%1").arg(end))
 429         self.gui.filePosLengthLineEdit.setText(Qt.QString("%1").arg(end-start))
 430
 431         self.gui.fileTimeStartLineEdit.setText(Qt.QString("%1").arg(tstart))
 432         self.gui.fileTimeStopLineEdit.setText(Qt.QString("%1").arg(tend))
 433         self.gui.fileTimeLengthLineEdit.setText(Qt.QString("%1").arg(tend-tstart))
 434
 435     def file_position_changed(self):
 436         start  = self.gui.filePosStartLineEdit.text().toInt()
 437         end    = self.gui.filePosStopLineEdit.text().toInt()
 438         if((start[1] == True) and (end[1] == True)):
 439             self.cur_start = start[0]
 440             self.cur_stop = end[0]
 441
 442             tstart = self.cur_start / self.sample_rate
 443             tend = self.cur_stop / self.sample_rate
 444             self.gui.fileTimeStartLineEdit.setText(Qt.QString("%1").arg(tstart))
 445             self.gui.fileTimeStopLineEdit.setText(Qt.QString("%1").arg(tend))
 446
 447             self.get_data(self.cur_start, self.cur_stop)
 448
 449             self.update_time_curves()
 450             self.update_psd_curves()
 451             self.update_specgram_curves()
 452
 453         # If there's a non-digit character, reset box
 454         else:
 455             try:
 456                 self.set_file_pos_box(self.cur_start, self.cur_stop)
 457             except AttributeError:
 458                 pass
 459
 460
 461     def file_time_changed(self):
 462         tstart = self.gui.fileTimeStartLineEdit.text().toDouble()
 463         tstop  = self.gui.fileTimeStopLineEdit.text().toDouble()
 464         if((tstart[1] == True) and (tstop[1] == True)):
 465             self.cur_start = int(tstart[0] * self.sample_rate)
 466             self.cur_stop = int(tstop[0] * self.sample_rate)
 467             self.get_data(self.cur_start, self.cur_stop)
 468
 469             self.gui.filePosStartLineEdit.setText(Qt.QString("%1").arg(self.cur_start))
 470             self.gui.filePosStopLineEdit.setText(Qt.QString("%1").arg(self.cur_stop))
 471
 472             self.update_time_curves()
 473             self.update_psd_curves()
 474             self.update_specgram_curves()
 475         # If there's a non-digit character, reset box
 476         else:
 477             self.set_file_pos_box(self.cur_start, self.cur_stop)
 478
 479     def file_length_changed(self):
 480         start = self.gui.filePosStartLineEdit.text().toInt()
 481         length = self.gui.filePosLengthLineEdit.text().toInt()
 482
 483         if((start[1] == True) and (length[1] == True)):
 484             self.cur_start = start[0]
 485             self.block_length = length[0]
 486             self.cur_stop = self.cur_start + self.block_length
 487
 488             tstart = self.cur_start / self.sample_rate
 489             tend = self.cur_stop / self.sample_rate
 490             tlen = self.block_length / self.sample_rate
 491             self.gui.fileTimeStartLineEdit.setText(Qt.QString("%1").arg(tstart))
 492             self.gui.fileTimeStopLineEdit.setText(Qt.QString("%1").arg(tend))
 493             self.gui.fileTimeLengthLineEdit.setText(Qt.QString("%1").arg(tlen))
 494
 495             self.gui.plotHBar.setPageStep(self.block_length)
 496
 497             self.get_data(self.cur_start, self.cur_stop)
 498             self.get_psd()
 499             self.get_specgram()
 500
 501             self.update_time_curves()
 502             self.update_psd_curves()
 503             self.update_specgram_curves()
 504         # If there's a non-digit character, reset box
 505         else:
 506             self.set_file_pos_box(self.cur_start, self.cur_stop)
 507
 508     def file_time_length_changed(self):
 509         tstart = self.gui.fileTimeStartLineEdit.text().toDouble()
 510         tlength = self.gui.fileTimeLengthLineEdit.text().toDouble()
 511         if((tstart[1] == True) and (tlength[1] == True)):
 512             self.cur_start = int(tstart[0] * self.sample_rate)
 513             self.block_length = int(tlength[0] * self.sample_rate)
 514             self.cur_stop = self.cur_start + self.block_length
 515
 516             tstart = self.cur_start / self.sample_rate
 517             tend = self.cur_stop / self.sample_rate
 518             tlen = self.block_length / self.sample_rate
 519             self.gui.fileTimeStartLineEdit.setText(Qt.QString("%1").arg(tstart))
 520             self.gui.fileTimeStopLineEdit.setText(Qt.QString("%1").arg(tend))
 521             self.gui.fileTimeLengthLineEdit.setText(Qt.QString("%1").arg(tlen))
 522
 523             self.get_data(self.cur_start, self.cur_stop)
 524             self.get_psd()
 525             self.get_specgram()
 526
 527             self.update_time_curves()
 528             self.update_psd_curves()
 529             self.update_specgram_curves()
 530         # If there's a non-digit character, reset box
 531         else:
 532             self.set_file_pos_box(self.cur_start, self.cur_stop)
 533
 534
 535     def update_time_curves(self):
 536         self.icurve.setData(self.time, self.iq.imag)
 537         self.rcurve.setData(self.time, self.iq.real)
 538
 539         # Reset the x-axis to the new time scale
 540         iqmax = 1.5 * max(max(self.iq.real), max(self.iq.imag))
 541         iqmin = 1.5 * min(min(self.iq.real), min(self.iq.imag))
 542         self.gui.timePlot.setAxisScale(self.gui.timePlot.xBottom,
 543                                        min(self.time),
 544                                        max(self.time))
 545         self.gui.timePlot.setAxisScale(self.gui.timePlot.yLeft,
 546                                        iqmin,
 547                                        iqmax)
 548
 549         # Set the zoomer base to unzoom to the new axis
 550         self.timeZoomer.setZoomBase()
 551
 552         self.gui.timePlot.replot()
 553
 554     def update_psd_curves(self):
 555         self.psdcurve.setData(self.freq, self.iq_psd)
 556
 557         self.gui.freqPlot.setAxisScale(self.gui.freqPlot.xBottom,
 558                                        min(self.freq),
 559                                        max(self.freq))
 560
 561         # Set the zoomer base to unzoom to the new axis
 562         self.freqZoomer.setZoomBase()
 563
 564         self.gui.freqPlot.replot()
 565
 566     def update_specgram_curves(self):
 567         # We don't have to reset the data for the speccurve here
 568         # since this is taken care of in the SpectrogramData class
 569         self.specdata.set_data(self.spec_f, self.spec_t, self.iq_spec)
 570
 571         # Set the color map based on the new data
 572         self.rightAxis.setColorMap(self.spec.data().range(),
 573                                    self.spec.colorMap())
 574
 575         # Set the new axis base; include right axis for the intenisty color bar
 576         self.gui.specPlot.setAxisScale(self.gui.specPlot.xBottom,
 577                                        min(self.spec_f),
 578                                        max(self.spec_f))
 579         self.gui.specPlot.setAxisScale(self.gui.specPlot.yLeft,
 580                                        min(self.spec_t),
 581                                        max(self.spec_t))
 582         self.gui.specPlot.setAxisScale(self.gui.specPlot.yRight,
 583                                        self.iq_spec.min(),
 584                                        self.iq_spec.max())
 585
 586         # Set the zoomer base to unzoom to the new axis
 587         self.specZoomer.setZoomBase()
 588
 589         self.gui.specPlot.replot()
 590
 591     def tabChanged(self, index):
 592         self.gui.timePlot.replot()
 593         self.gui.freqPlot.replot()
 594         self.gui.specPlot.replot()
 595
 596     def change_pen_width(self, width):
 597         self.pen_width = width
 598         colormode = str(self.gui.colorComboBox.currentText().toAscii())
 599         color_func = self.color_modes[colormode]()
 600
 601     def change_style_size(self, size):
 602         self.rsym.setSize(size)
 603         self.isym.setSize(size)
 604         self.rcurve.setSymbol(self.rsym)
 605         self.icurve.setSymbol(self.isym)
 606         self.gui.timePlot.replot()
 607
 608     def color_black_on_white(self):
 609         blue = QtGui.qRgb(0x00, 0x00, 0xFF)
 610         red = QtGui.qRgb(0xFF, 0x00, 0x00)
 611
 612         blackPen = Qt.QPen(Qt.QBrush(Qt.QColor("black")), self.pen_width)
 613         bluePen = Qt.QPen(Qt.QBrush(Qt.QColor(blue)), self.pen_width)
 614         redPen = Qt.QPen(Qt.QBrush(Qt.QColor(red)), self.pen_width)
 615
 616         self.gui.timePlot.setCanvasBackground(Qt.QColor("white"))
 617         self.gui.freqPlot.setCanvasBackground(Qt.QColor("white"))
 618         self.timeZoomer.setTrackerPen(blackPen)
 619         self.timeZoomer.setRubberBandPen(blackPen)
 620         self.freqZoomer.setTrackerPen(blackPen)
 621         self.freqZoomer.setRubberBandPen(blackPen)
 622         self.psdcurve.setPen(bluePen)
 623         self.rcurve.setPen(bluePen)
 624         self.icurve.setPen(redPen)
 625
 626         self.rsym.setPen(bluePen)
 627         self.isym.setPen(redPen)
 628
 629         self.gui.timePlot.replot()
 630         self.gui.freqPlot.replot()
 631
 632     def color_white_on_black(self):
 633         white = QtGui.qRgb(0xFF, 0xFF, 0xFF)
 634         red = QtGui.qRgb(0xFF, 0x00, 0x00)
 635
 636         whiteBrush = Qt.QBrush(Qt.QColor("white"))
 637         whiteBrush = Qt.QBrush(Qt.QColor(white))
 638         redBrush = Qt.QBrush(Qt.QColor(red))
 639
 640         self.gui.timePlot.setCanvasBackground(QtGui.QColor("black"))
 641         self.gui.freqPlot.setCanvasBackground(QtGui.QColor("black"))
 642         self.timeZoomer.setTrackerPen(Qt.QPen(whiteBrush, self.pen_width))
 643         self.timeZoomer.setRubberBandPen(Qt.QPen(whiteBrush, self.pen_width))
 644         self.freqZoomer.setTrackerPen(Qt.QPen(whiteBrush, self.pen_width))
 645         self.freqZoomer.setRubberBandPen(Qt.QPen(whiteBrush, self.pen_width))
 646         self.psdcurve.setPen(Qt.QPen(whiteBrush, self.pen_width))
 647         self.rcurve.setPen(Qt.QPen(whiteBrush, self.pen_width))
 648         self.icurve.setPen(Qt.QPen(redBrush, self.pen_width))
 649
 650         self.gui.timePlot.replot()
 651         self.gui.freqPlot.replot()
 652
 653
 654     def color_green_on_black(self):
 655         green = QtGui.qRgb(0x00, 0xFF, 0x00)
 656         red = QtGui.qRgb(0xFF, 0x00, 0x50)
 657
 658         whiteBrush = Qt.QBrush(Qt.QColor("white"))
 659         greenBrush = Qt.QBrush(Qt.QColor(green))
 660         redBrush = Qt.QBrush(Qt.QColor(red))
 661
 662         self.gui.timePlot.setCanvasBackground(QtGui.QColor("black"))
 663         self.gui.freqPlot.setCanvasBackground(QtGui.QColor("black"))
 664         self.timeZoomer.setTrackerPen(Qt.QPen(whiteBrush, self.pen_width))
 665         self.timeZoomer.setRubberBandPen(Qt.QPen(whiteBrush, self.pen_width))
 666         self.freqZoomer.setTrackerPen(Qt.QPen(whiteBrush, self.pen_width))
 667         self.freqZoomer.setRubberBandPen(Qt.QPen(whiteBrush, self.pen_width))
 668         self.psdcurve.setPen(Qt.QPen(greenBrush, self.pen_width))
 669         self.rcurve.setPen(Qt.QPen(greenBrush, self.pen_width))
 670         self.icurve.setPen(Qt.QPen(redBrush, self.pen_width))
 671
 672         self.gui.timePlot.replot()
 673         self.gui.freqPlot.replot()
 674
 675     def color_blue_on_black(self):
 676         blue = QtGui.qRgb(0x00, 0x00, 0xFF)
 677         red = QtGui.qRgb(0xFF, 0x00, 0x00)
 678
 679         whiteBrush = Qt.QBrush(Qt.QColor("white"))
 680         blueBrush = Qt.QBrush(Qt.QColor(blue))
 681         redBrush = Qt.QBrush(Qt.QColor(red))
 682
 683         self.gui.timePlot.setCanvasBackground(QtGui.QColor("black"))
 684         self.gui.freqPlot.setCanvasBackground(QtGui.QColor("black"))
 685         self.timeZoomer.setTrackerPen(Qt.QPen(whiteBrush, self.pen_width))
 686         self.timeZoomer.setRubberBandPen(Qt.QPen(whiteBrush, self.pen_width))
 687         self.freqZoomer.setTrackerPen(Qt.QPen(whiteBrush, self.pen_width))
 688         self.freqZoomer.setRubberBandPen(Qt.QPen(whiteBrush, self.pen_width))
 689         self.psdcurve.setPen(Qt.QPen(blueBrush, self.pen_width))
 690         self.rcurve.setPen(Qt.QPen(blueBrush, self.pen_width))
 691         self.icurve.setPen(Qt.QPen(redBrush, self.pen_width))
 692
 693         self.gui.timePlot.replot()
 694         self.gui.freqPlot.replot()
 695
 696 def setup_options():
 697     usage="%prog: [options] (input_filename)"
 698     description = ""
 699
 700     parser = OptionParser(conflict_handler="resolve", usage=usage, description=description)
 701     parser.add_option("-B", "--block-length", type="int", default=8192,
 702                       help="Specify the block size [default=%default]")
 703     parser.add_option("-s", "--start", type="int", default=0,
 704                       help="Specify where to start in the file [default=%default]")
 705     parser.add_option("-R", "--sample-rate", type="float", default=1.0,
 706                       help="Set the sampler rate of the data [default=%default]")
 707     parser.add_option("", "--psd-size", type="int", default=2048,
 708                       help="Set the size of the PSD FFT [default=%default]")
 709     parser.add_option("", "--spec-size", type="int", default=2048,
 710                       help="Set the size of the spectrogram FFT [default=%default]")
 711
 712     return parser
 713
 714 def main(args):
 715     parser = setup_options()
 716     (options, args) = parser.parse_args ()
 717
 718     if(len(args) == 1):
 719         filename = args[0]
 720     else:
 721         filename = None
 722
 723     app = Qt.QApplication(args)
 724     gplt = gr_plot_qt(app, filename, options)
 725     app.exec_()
 726
 727 if __name__ == '__main__':
 728     main(sys.argv)
 729