diff options
Diffstat (limited to 'gr-utils/src/python')
| -rwxr-xr-x | gr-utils/src/python/gr_plot_qt.py | 34 |
1 files changed, 25 insertions, 9 deletions
diff --git a/gr-utils/src/python/gr_plot_qt.py b/gr-utils/src/python/gr_plot_qt.py index 7c744f2c6..e772151f0 100755 --- a/gr-utils/src/python/gr_plot_qt.py +++ b/gr-utils/src/python/gr_plot_qt.py @@ -152,14 +152,20 @@ class gr_plot_qt(QtGui.QMainWindow): def open_file(self): filename = Qt.QFileDialog.getOpenFileName(self, "Open", ".") - print filename - self.initialize(filename) + 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 @@ -169,6 +175,7 @@ class gr_plot_qt(QtGui.QMainWindow): self.gui.plotHBar.setSliderPosition(0) self.gui.plotHBar.setMaximum(self.signal_size) + self.update_time_curves() self.update_psd_curves() @@ -182,16 +189,24 @@ class gr_plot_qt(QtGui.QMainWindow): if(end > start): self.hfile.seek(start*self.sizeof_data, os.SEEK_SET) self.position = start - iq = scipy.fromfile(self.hfile, dtype=self.datatype, - count=end-start) - if(len(iq) < (end-start)): - print "End of File" - else: + 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) + self.set_file_pos_box(start, end) + except MemoryError: + pass else: # Do we want to do anything about this? pass @@ -296,6 +311,7 @@ class gr_plot_qt(QtGui.QMainWindow): 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] |