Source code for src.plots.power_spectral_density.power_spectral_density_view

#!/usr/bin/env python
# -*- coding: utf-8 -*-

"""
Power spectral density view
"""

from PyQt5.QtGui import QDoubleValidator
from PyQt5.QtWidgets import QWidget, QGridLayout, QLineEdit, QPushButton, QLabel

from utils.view.error_window import errorWindow


__author__ = "Lemahieu Antoine"
__copyright__ = "Copyright 2022"
__credits__ = ["Lemahieu Antoine"]
__license__ = "GNU General Public License v3.0"
__maintainer__ = "Lemahieu Antoine"
__email__ = "Antoine.Lemahieu@ulb.be"
__status__ = "Dev"


[docs]class powerSpectralDensityView(QWidget): def __init__(self, minimum_time, maximum_time): """ Window displaying the parameters for computing the power spectral density on the dataset. :param minimum_time: Minimum time of the epochs from which the power spectral density can be computed. :type minimum_time: float :param maximum_time: Maximum time of the epochs from which the power spectral density can be computed. :type maximum_time: float """ super().__init__() self.power_spectral_density_listener = None self.setWindowTitle("Power Spectral Density") self.grid_layout = QGridLayout() self.setLayout(self.grid_layout) # self.method_box = QComboBox() # self.method_box.addItems(["Welch", "Multitaper"]) self.minimum_frequency_line = QLineEdit("2,0") self.minimum_frequency_line.setValidator(QDoubleValidator()) self.maximum_frequency_line = QLineEdit("25,0") self.maximum_frequency_line.setValidator(QDoubleValidator()) self.minimum_time_line = QLineEdit(str(minimum_time)) self.minimum_time_line.setValidator(QDoubleValidator(minimum_time, maximum_time, 3)) self.maximum_time_line = QLineEdit(str(maximum_time)) self.maximum_time_line.setValidator(QDoubleValidator(minimum_time, maximum_time, 3)) self.time_points_line = QLineEdit("6 10 22") self.cancel = QPushButton("&Cancel", self) self.cancel.clicked.connect(self.cancel_power_spectral_density_trigger) self.confirm = QPushButton("&Confirm", self) self.confirm.clicked.connect(self.confirm_power_spectral_density_trigger) # self.grid_layout.addWidget(QLabel("Method for PSD : "), 0, 0) # self.grid_layout.addWidget(self.method_box, 0, 1) self.grid_layout.addWidget(QLabel("Minimum frequency of interest (Hz) : "), 1, 0) self.grid_layout.addWidget(self.minimum_frequency_line, 1, 1) self.grid_layout.addWidget(QLabel("Maximum frequency of interest (Hz) : "), 2, 0) self.grid_layout.addWidget(self.maximum_frequency_line, 2, 1) self.grid_layout.addWidget(QLabel("Minimum time of interest (sec) : "), 3, 0) self.grid_layout.addWidget(self.minimum_time_line, 3, 1) self.grid_layout.addWidget(QLabel("Maximum time of interest (sec) : "), 4, 0) self.grid_layout.addWidget(self.maximum_time_line, 4, 1) self.grid_layout.addWidget(QLabel("Time points for the topographies to plot (sec) : "), 5, 0) self.grid_layout.addWidget(self.time_points_line, 5, 1) self.grid_layout.addWidget(self.cancel, 6, 0) self.grid_layout.addWidget(self.confirm, 6, 1)
[docs] @staticmethod def plot_psd(psd_fig, topo_fig): """ Plot the power spectral density. :param psd_fig: The figure of the actual power spectral density's data computed :type psd_fig: matplotlib.Figure :param topo_fig: The figure of the topographies of the actual power spectral density's data computed :type topo_fig: matplotlib.Figure """ try: topo_fig.show() psd_fig.show() except Exception as error: error_message = "An error has occurred during the computation of the PSD" error_window = errorWindow(error_message, detailed_message=str(error)) error_window.show()
""" Triggers """
[docs] def cancel_power_spectral_density_trigger(self): """ Send the information to the controller that the computation is cancelled. """ self.power_spectral_density_listener.cancel_button_clicked()
[docs] def confirm_power_spectral_density_trigger(self): """ Retrieve the parameters and send the information to the controller. """ # method_psd = self.method_box.currentText() minimum_frequency = None maximum_frequency = None if self.minimum_frequency_line.hasAcceptableInput(): minimum_frequency = float(self.minimum_frequency_line.text().replace(',', '.')) if self.maximum_frequency_line.hasAcceptableInput(): maximum_frequency = float(self.maximum_frequency_line.text().replace(',', '.')) minimum_time = float(self.minimum_time_line.text().replace(',', '.')) maximum_time = float(self.maximum_time_line.text().replace(',', '.')) topo_time_points = self.create_array_from_time_points() self.power_spectral_density_listener.confirm_button_clicked(minimum_frequency, maximum_frequency, minimum_time, maximum_time, topo_time_points)
""" Utils """
[docs] def create_array_from_time_points(self): """ Create an array of time points depending on the time points given. :return: The time points for the topomaps. :rtype: list of float """ try: time_points = self.time_points_line.text() if time_points == "": return [6.0, 10.0, 22.0] else: split_time_points = time_points.split() float_time_points = [] for time_point in split_time_points: float_time_points.append(float(time_point.replace(',', '.'))) return float_time_points except Exception as error: error_message = "The time points provided are not following the right format, please use integer separated " \ "by spaces." error_window = errorWindow(error_message) error_window.show()
""" Setters """
[docs] def set_listener(self, listener): """ Set the listener to the controller. :param listener: Listener to the controller. :type listener: powerSpectralDensityController """ self.power_spectral_density_listener = listener