#!/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_spectrogram_form(plot_form):
def __init__(self, top_block, title=''):
plot_form.__init__(self, top_block, title)
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)
self.psd_size_val = QtGui.QIntValidator(0, 2**18, self)
self.psd_size_edit = QtGui.QLineEdit(self)
self.psd_size_edit.setMinimumWidth(50)
self.psd_size_edit.setMaximumWidth(100)
self.psd_size_edit.setText(QtCore.QString("%1").arg(top_block._psd_size))
self.psd_size_edit.setValidator(self.psd_size_val)
self.right_col_form.addRow("FFT Size:", self.psd_size_edit)
self.connect(self.psd_size_edit, QtCore.SIGNAL("returnPressed()"),
self.update_psd_size)
self.psd_win_combo = QtGui.QComboBox(self)
self.psd_win_combo.addItems(["None", "Hamming", "Hann", "Blackman",
"Rectangular", "Kaiser", "Blackman-harris"])
self.psd_win_combo.setCurrentIndex(self.top_block.gui_snk.fft_window()+1)
self.right_col_form.addRow("Window:", self.psd_win_combo)
self.connect(self.psd_win_combo,
QtCore.SIGNAL("currentIndexChanged(int)"),
self.update_psd_win)
self.psd_avg_val = QtGui.QDoubleValidator(0, 1.0, 4, self)
self.psd_avg_edit = QtGui.QLineEdit(self)
self.psd_avg_edit.setMinimumWidth(50)
self.psd_avg_edit.setMaximumWidth(100)
self.psd_avg_edit.setText(QtCore.QString("%1").arg(top_block._avg))
self.psd_avg_edit.setValidator(self.psd_avg_val)
self.right_col_form.addRow("Average:", self.psd_avg_edit)
self.connect(self.psd_avg_edit, QtCore.SIGNAL("returnPressed()"),
self.update_psd_avg)
self.autoscale_button = QtGui.QPushButton("Auto Scale", self)
self.autoscale_button.setMaximumWidth(100)
self.right_col_layout.addWidget(self.autoscale_button)
self.connect(self.autoscale_button, QtCore.SIGNAL("clicked()"),
self.spectrogram_auto_scale)
self.add_spectrogram_control(self.right_col_layout)
def update_psd_size(self):
newpsdsize = self.psd_size_edit.text().toInt()[0]
if(newpsdsize != self.top_block._psd_size):
self.top_block.gui_snk.set_fft_size(newpsdsize)
self.top_block._psd_size = newpsdsize
self.top_block.reset(self.top_block._start,
self.top_block._nsamps)
def update_psd_win(self, index):
self.top_block.gui_snk.set_fft_window(index-1)
self.top_block.reset(self.top_block._start,
self.top_block._nsamps)
def update_psd_avg(self):
newpsdavg = self.psd_avg_edit.text().toDouble()[0]
if(newpsdavg != self.top_block._avg):
self.top_block.gui_snk.set_fft_average(newpsdavg)
self.top_block._avg = newpsdavg
self.top_block.reset(self.top_block._start,
self.top_block._nsamps)
def add_spectrogram_control(self, layout):
self._line_tabs = QtGui.QTabWidget()
self._line_pages = []
self._line_forms = []
self._label_edit = []
self._size_edit = []
self._color_edit = []
self._style_edit = []
self._marker_edit = []
self._alpha_edit = []
for n in xrange(self.top_block._nsigs):
self._line_pages.append(QtGui.QDialog())
self._line_forms.append(QtGui.QFormLayout(self._line_pages[-1]))
label = self.top_block.gui_snk.line_label(n)
self._label_edit.append(QtGui.QLineEdit(self))
self._label_edit[-1].setMinimumWidth(125)
self._label_edit[-1].setMaximumWidth(125)
self._label_edit[-1].setText(QtCore.QString("%1").arg(label))
self._line_forms[-1].addRow("Label:", self._label_edit[-1])
self.connect(self._label_edit[-1], QtCore.SIGNAL("returnPressed()"),
self.update_line_label)
self._qtcolormaps = ["Multi Color", "White Hot",
"Black Hot", "Incandescent"]
self._color_edit.append(QtGui.QComboBox(self))
self._color_edit[-1].addItems(self._qtcolormaps)
self._line_forms[-1].addRow("Color Map:", self._color_edit[-1])
self.connect(self._color_edit[-1],
QtCore.SIGNAL("currentIndexChanged(int)"),
self.update_color_map)
alpha_val = QtGui.QDoubleValidator(0, 1.0, 2, self)
alpha_val.setTop(1.0)
alpha = self.top_block.gui_snk.line_alpha(n)
self._alpha_edit.append(QtGui.QLineEdit(self))
self._alpha_edit[-1].setMinimumWidth(50)
self._alpha_edit[-1].setMaximumWidth(100)
self._alpha_edit[-1].setText(QtCore.QString("%1").arg(alpha))
self._alpha_edit[-1].setValidator(alpha_val)
self._line_forms[-1].addRow("Alpha:", self._alpha_edit[-1])
self.connect(self._alpha_edit[-1], QtCore.SIGNAL("returnPressed()"),
self.update_line_alpha)
self._line_tabs.addTab(self._line_pages[-1], "{0}".format(label))
layout.addWidget(self._line_tabs)
def update_color_map(self, c_index):
index = self._line_tabs.currentIndex()
self.top_block.gui_snk.set_color_map(index, c_index)
self.update_line_alpha()
def spectrogram_auto_scale(self):
self.top_block.gui_snk.auto_scale()
_min = self.top_block.gui_snk.min_intensity(0)
_max = self.top_block.gui_snk.max_intensity(0)
if(self.gui_y_axis):
self.gui_y_axis(_min, _max)