############################################################################# ## ## Copyright (C) 2020 The Qt Company Ltd. ## Contact: https://www.qt.io/licensing/ ## ## This file is part of the Qt for Python examples of the Qt Toolkit. ## ## $QT_BEGIN_LICENSE:BSD$ ## You may use this file under the terms of the BSD license as follows: ## ## "Redistribution and use in source and binary forms, with or without ## modification, are permitted provided that the following conditions are ## met: ## * Redistributions of source code must retain the above copyright ## notice, this list of conditions and the following disclaimer. ## * Redistributions in binary form must reproduce the above copyright ## notice, this list of conditions and the following disclaimer in ## the documentation and/or other materials provided with the ## distribution. ## * Neither the name of The Qt Company Ltd nor the names of its ## contributors may be used to endorse or promote products derived ## from this software without specific prior written permission. ## ## ## THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ## "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT ## LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR ## A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT ## OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, ## SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT ## LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, ## DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY ## THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT ## (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE ## OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." ## ## $QT_END_LICENSE$ ## ############################################################################# 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 PySide6.QtCore import Qt, Slot from PySide6.QtGui import QAction, QKeySequence from PySide6.QtWidgets import (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(f"{self.slider_azim.minimum()}")) self.slider_azim_layout.addWidget(self.slider_azim) self.slider_azim_layout.addWidget(QLabel(f"{self.slider_azim.maximum())) self.slider_elev_layout = QHBoxLayout() self.slider_elev_layout.addWidget(QLabel(f"{self.slider_elev.minimum())) self.slider_elev_layout.addWidget(self.slider_elev) self.slider_elev_layout.addWidget(QLabel(f"{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(f"{X[i]:.2f}")) self.table.setItem(i, 1, QTableWidgetItem(f"{Y[i]:.2f}")) self.table.setItem(i, 2, QTableWidgetItem(f"{Z[i]:.2f}")) 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()