/usr/bin/gr_constellation_plot is in gnuradio 3.7.9.1-2ubuntu1.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 | #!/usr/bin/python
#
# Copyright 2012 Free Software Foundation, Inc.
#
# This file is part of GNU Radio
#
# GNU Radio is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3, or (at your option)
# any later version.
#
# GNU Radio is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with GNU Radio; see the file COPYING. If not, write to
# the Free Software Foundation, Inc., 51 Franklin Street,
# Boston, MA 02110-1301, USA.
#
from gnuradio import gr
from gnuradio import blocks
from gnuradio.eng_option import eng_option
from optparse import OptionParser
import os, sys
try:
from gnuradio import qtgui
from PyQt4 import QtGui, QtCore
import sip
except ImportError:
print "Error: Program requires PyQt4 and gr-qtgui."
sys.exit(1)
try:
import scipy
except ImportError:
print "Error: Scipy required (www.scipy.org)."
sys.exit(1)
try:
from gnuradio.qtgui.plot_constellation_form import *
from gnuradio.qtgui.plot_base import *
except ImportError:
from plot_constellation_form import *
from plot_base import *
class my_top_block(gr.top_block):
def __init__(self, filelist, start, nsamples, max_nsamples):
gr.top_block.__init__(self)
self._filelist = filelist
self._samp_rate = 0
self._center_freq = 0
self._start = start
self._max_nsamps = max_nsamples
self._nsigs = len(self._filelist)
self._nsamps = nsamples
self._auto_scale = True
self._y_min = -20
self._y_max = 20
self._y_range = 4
self._y_value = 2
self.gui_y_axis = None
self.qapp = QtGui.QApplication(sys.argv)
self.skip = blocks.skiphead(gr.sizeof_gr_complex, self._start)
self.gui_snk = qtgui.const_sink_c(self._nsamps, "", self._nsigs)
n = 0
self.srcs = list()
self._data_min = sys.maxint
self._data_max = -sys.maxint - 1
for f in filelist:
data,_min,_max = read_samples_c(f, self._start, self._nsamps)
self.srcs.append(blocks.vector_source_c(data))
if(_min < self._data_min):
self._data_min = _min
if(_max > self._data_max):
self._data_max = _max
# Set default labels based on file names
fname = f.split("/")[-1]
self.gui_snk.set_line_label(n, "{0}".format(fname))
n += 1
self.connect(self.srcs[0], self.skip)
self.connect(self.skip, (self.gui_snk, 0))
for i,s in enumerate(self.srcs[1:]):
self.connect(s, (self.gui_snk, i+1))
self.gui_snk.enable_menu(False)
# Get Python Qt references
pyQt = self.gui_snk.pyqwidget()
self.pyWin = sip.wrapinstance(pyQt, QtGui.QWidget)
def get_gui(self):
return self.pyWin
def reset(self, newstart, newnsamps):
self.stop()
self.wait()
self._start = newstart
for s,f in zip(self.srcs, self._filelist):
data,_min,_max = read_samples_c(f, self._start, newnsamps)
s.set_data(data)
if(len(data) < newnsamps):
newnsamps = len(data)
self._nsamps = newnsamps
self.gui_snk.set_nsamps(self._nsamps)
self.start()
def set_y_axis(self, y_min, y_max):
y_min = -y_max
self.gui_snk.set_y_axis(y_min, y_max)
self.gui_snk.set_x_axis(y_min, y_max)
return y_min, y_max
def auto_scale(self, state):
if(state > 0):
self.set_y_axis(self._data_min, self._data_max)
self._auto_scale = True
self._y_value = self._data_max
self._y_range = self._data_max - self._data_min
self._y_min = 10*self._data_min
self._y_max = 10*self._data_max
if(self.gui_y_axis):
self.gui_y_axis(self._data_min, self._data_max)
else:
self._auto_scale = False
def main():
description = "Plots the constellations of a list of files."
parser = OptionParser(option_class=eng_option, description=description,
conflict_handler="resolve")
parser.add_option("-N", "--nsamples", type="int", default=1000000,
help="Set the number of samples to display [default=%default]")
parser.add_option("-S", "--start", type="int", default=0,
help="Starting sample number [default=%default]")
(options, args) = parser.parse_args()
if(len(args) < 1):
parser.print_help()
sys.exit(0)
filelist = list(args)
nsamples = options.nsamples
# Find the smallest number of samples in all files and use that as
# a maximum value possible.
filesizes = []
for f in filelist:
if(os.path.exists(f)):
filesizes.append(os.path.getsize(f) / gr.sizeof_gr_complex)
max_nsamples = min(filesizes)
tb = my_top_block(filelist,
options.start, nsamples, max_nsamples);
main_box = plot_constellation_form(tb, 'GNU Radio Constellation Plot', 10000.0)
for n in xrange(tb._nsigs):
main_box._style_edit[n].setCurrentIndex(0)
main_box.show()
tb.run()
tb.qapp.exec_()
if __name__ == "__main__":
try:
main()
except KeyboardInterrupt:
pass
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