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#!/usr/bin/env python
#
# Copyright 2013 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.
#
import sys
from gnuradio import filter
try:
from PyQt4 import QtGui, QtCore
import sip
except ImportError:
print "Error: Program requires PyQt4."
sys.exit(1)
try:
from gnuradio.qtgui.plot_from import plot_form
except ImportError:
from plot_form import plot_form
class plot_constellation_form(plot_form):
def __init__(self, top_block, title='', scale=1):
plot_form.__init__(self, top_block, title, scale)
self.right_col_layout = QtGui.QVBoxLayout()
self.right_col_form = QtGui.QFormLayout()
self.right_col_layout.addLayout(self.right_col_form)
self.layout.addLayout(self.right_col_layout, 1,4,1,1)
# Constellation resizing scales x and y together.
# Set the bar to go from 0.001 to max
self.ybar.setMinimum(1)
self.ybar.setMaximum(self._pos_scale*self.top_block._y_max)
self.ybar.setSingleStep(self._pos_scale*(max(self.top_block._y_range/10, 0.010)))
self.ybar.setPageStep(self._pos_scale*(max(self.top_block._y_range/2, 0.010)))
self.auto_scale = QtGui.QCheckBox("Auto Scale", self)
if(self.top_block._auto_scale):
self.auto_scale.setChecked(self.top_block._auto_scale)
self.set_auto_scale(self.top_block._auto_scale)
self.connect(self.auto_scale, QtCore.SIGNAL("stateChanged(int)"),
self.set_auto_scale)
self.right_col_layout.addWidget(self.auto_scale)
self.ybar.setValue(1000*self.top_block._y_value)
self.add_line_control(self.right_col_layout)
def set_auto_scale(self, state):
if(state):
self.top_block.auto_scale(True)
else:
self.top_block.auto_scale(False)
def update_samp_rate(self):
pass
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