############################################################################# ## ## Copyright (C) 2019 The Qt Company Ltd. ## Contact: https://www.qt.io/licensing/ ## ## This file is part of the Qt for Python examples of the Qt Toolkit. ## ## $QT_BEGIN_LICENSE:LGPL$ ## Commercial License Usage ## Licensees holding valid commercial Qt licenses may use this file in ## accordance with the commercial license agreement provided with the ## Software or, alternatively, in accordance with the terms contained in ## a written agreement between you and The Qt Company. For licensing terms ## and conditions see https://www.qt.io/terms-conditions. For further ## information use the contact form at https://www.qt.io/contact-us. ## ## GNU Lesser General Public License Usage ## Alternatively, this file may be used under the terms of the GNU Lesser ## General Public License version 3 as published by the Free Software ## Foundation and appearing in the file LICENSE.LGPL3 included in the ## packaging of this file. Please review the following information to ## ensure the GNU Lesser General Public License version 3 requirements ## will be met: https://www.gnu.org/licenses/lgpl-3.0.html. ## ## GNU General Public License Usage ## Alternatively, this file may be used under the terms of the GNU ## General Public License version 2.0 or (at your option) the GNU General ## Public license version 3 or any later version approved by the KDE Free ## Qt Foundation. The licenses are as published by the Free Software ## Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 ## included in the packaging of this file. Please review the following ## information to ensure the GNU General Public License requirements will ## be met: https://www.gnu.org/licenses/gpl-2.0.html and ## https://www.gnu.org/licenses/gpl-3.0.html. ## ## $QT_END_LICENSE$ ## ############################################################################# import sys import numpy as np from matplotlib.backends.backend_qt5agg import FigureCanvas from matplotlib.figure import Figure from mpl_toolkits.mplot3d import axes3d from PySide2.QtCore import Qt, Slot from PySide2.QtGui import QKeySequence from PySide2.QtWidgets import (QAction, QApplication, QComboBox, QHBoxLayout, QHeaderView, QLabel, QMainWindow, QSlider, QTableWidget, QTableWidgetItem, QVBoxLayout, QWidget) """This example implements the interaction between Qt Widgets and a 3D matplotlib plot""" class ApplicationWindow(QMainWindow): def __init__(self, parent=None): QMainWindow.__init__(self, parent) self.column_names = ["Column A", "Column B", "Column C"] # Central widget self._main = QWidget() self.setCentralWidget(self._main) # Main menu bar self.menu = self.menuBar() self.menu_file = self.menu.addMenu("File") exit = QAction("Exit", self, triggered=qApp.quit) self.menu_file.addAction(exit) self.menu_about = self.menu.addMenu("&About") about = QAction("About Qt", self, shortcut=QKeySequence(QKeySequence.HelpContents), triggered=qApp.aboutQt) self.menu_about.addAction(about) # Figure (Left) self.fig = Figure(figsize=(5, 3)) self.canvas = FigureCanvas(self.fig) # Sliders (Left) self.slider_azim = QSlider(minimum=0, maximum=360, orientation=Qt.Horizontal) self.slider_elev = QSlider(minimum=0, maximum=360, orientation=Qt.Horizontal) self.slider_azim_layout = QHBoxLayout() self.slider_azim_layout.addWidget(QLabel("{}".format(self.slider_azim.minimum()))) self.slider_azim_layout.addWidget(self.slider_azim) self.slider_azim_layout.addWidget(QLabel("{}".format(self.slider_azim.maximum()))) self.slider_elev_layout = QHBoxLayout() self.slider_elev_layout.addWidget(QLabel("{}".format(self.slider_elev.minimum()))) self.slider_elev_layout.addWidget(self.slider_elev) self.slider_elev_layout.addWidget(QLabel("{}".format(self.slider_elev.maximum()))) # Table (Right) self.table = QTableWidget() header = self.table.horizontalHeader() header.setSectionResizeMode(QHeaderView.Stretch) # ComboBox (Right) self.combo = QComboBox() self.combo.addItems(["Wired", "Surface", "Triangular Surface", "Sphere"]) # Right layout rlayout = QVBoxLayout() rlayout.setContentsMargins(1, 1, 1, 1) rlayout.addWidget(QLabel("Plot type:")) rlayout.addWidget(self.combo) rlayout.addWidget(self.table) # Left layout llayout = QVBoxLayout() rlayout.setContentsMargins(1, 1, 1, 1) llayout.addWidget(self.canvas, 88) llayout.addWidget(QLabel("Azimuth:"), 1) llayout.addLayout(self.slider_azim_layout, 5) llayout.addWidget(QLabel("Elevation:"), 1) llayout.addLayout(self.slider_elev_layout, 5) # Main layout layout = QHBoxLayout(self._main) layout.addLayout(llayout, 70) layout.addLayout(rlayout, 30) # Signal and Slots connections self.combo.currentTextChanged.connect(self.combo_option) self.slider_azim.valueChanged.connect(self.rotate_azim) self.slider_elev.valueChanged.connect(self.rotate_elev) # Initial setup self.plot_wire() self._ax.view_init(30, 30) self.slider_azim.setValue(30) self.slider_elev.setValue(30) self.fig.canvas.mpl_connect("button_release_event", self.on_click) # Matplotlib slot method def on_click(self, event): azim, elev = self._ax.azim, self._ax.elev self.slider_azim.setValue(azim + 180) self.slider_elev.setValue(elev + 180) # Utils methods def set_table_data(self, X, Y, Z): for i in range(len(X)): self.table.setItem(i, 0, QTableWidgetItem("{:.2f}".format(X[i]))) self.table.setItem(i, 1, QTableWidgetItem("{:.2f}".format(Y[i]))) self.table.setItem(i, 2, QTableWidgetItem("{:.2f}".format(Z[i]))) def set_canvas_table_configuration(self, row_count, data): self.fig.set_canvas(self.canvas) self._ax = self.canvas.figure.add_subplot(projection="3d") self._ax.set_xlabel(self.column_names[0]) self._ax.set_ylabel(self.column_names[1]) self._ax.set_zlabel(self.column_names[2]) self.table.setRowCount(row_count) self.table.setColumnCount(3) self.table.setHorizontalHeaderLabels(self.column_names) self.set_table_data(data[0], data[1], data[2]) # Plot methods def plot_wire(self): # Data self.X, self.Y, self.Z = axes3d.get_test_data(0.03) self.set_canvas_table_configuration(len(self.X[0]), (self.X[0], self.Y[0], self.Z[0])) self._ax.plot_wireframe(self.X, self.Y, self.Z, rstride=10, cstride=10, cmap="viridis") self.canvas.draw() def plot_surface(self): # Data self.X, self.Y = np.meshgrid(np.linspace(-6, 6, 30), np.linspace(-6, 6, 30)) self.Z = np.sin(np.sqrt(self.X ** 2 + self.Y ** 2)) self.set_canvas_table_configuration(len(self.X[0]), (self.X[0], self.Y[0], self.Z[0])) self._ax.plot_surface(self.X, self.Y, self.Z, rstride=1, cstride=1, cmap="viridis", edgecolor="none") self.canvas.draw() def plot_triangular_surface(self): # Data radii = np.linspace(0.125, 1.0, 8) angles = np.linspace(0, 2 * np.pi, 36, endpoint=False)[..., np.newaxis] self.X = np.append(0, (radii * np.cos(angles)).flatten()) self.Y = np.append(0, (radii * np.sin(angles)).flatten()) self.Z = np.sin(-self.X * self.Y) self.set_canvas_table_configuration(len(self.X), (self.X, self.Y, self.Z)) self._ax.plot_trisurf(self.X, self.Y, self.Z, linewidth=0.2, antialiased=True) self.canvas.draw() def plot_sphere(self): # Data u = np.linspace(0, 2 * np.pi, 100) v = np.linspace(0, np.pi, 100) self.X = 10 * np.outer(np.cos(u), np.sin(v)) self.Y = 10 * np.outer(np.sin(u), np.sin(v)) self.Z = 9 * np.outer(np.ones(np.size(u)), np.cos(v)) self.set_canvas_table_configuration(len(self.X), (self.X[0], self.Y[0], self.Z[0])) self._ax.plot_surface(self.X, self.Y, self.Z) self.canvas.draw() # Slots @Slot() def combo_option(self, text): if text == "Wired": self.plot_wire() elif text == "Surface": self.plot_surface() elif text == "Triangular Surface": self.plot_triangular_surface() elif text == "Sphere": self.plot_sphere() @Slot() def rotate_azim(self, value): self._ax.view_init(self._ax.elev, value) self.fig.set_canvas(self.canvas) self.canvas.draw() @Slot() def rotate_elev(self, value): self._ax.view_init(value, self._ax.azim) self.fig.set_canvas(self.canvas) self.canvas.draw() if __name__ == "__main__": app = QApplication(sys.argv) w = ApplicationWindow() w.setFixedSize(1280, 720) w.show() app.exec_()