jumeaux-numeriques/twin_plot_qt.py

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import sys
import random
import matplotlib
matplotlib.use('Qt5Agg')
from PyQt5 import QtCore, QtGui, QtWidgets
from matplotlib.backends.backend_qt5agg import FigureCanvasQTAgg, NavigationToolbar2QT as NavigationToolbar
from matplotlib.figure import Figure
###############################################################################
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# twin_plot_qt.py
# @title: Visualisation des données
# @project: Blender-EduTech
# @lang: fr
# @authors: Philippe Roy <philippe.roy@ac-grenoble.fr>
# @copyright: Copyright (C) 2023 Philippe Roy
# @license: GNU GPL
###############################################################################
# UPBGE scene
# scene = bge.logic.getCurrentScene()
# Récupérer le brochage du jumeau réel
# system=importlib.import_module(scene.objects['Doc']['system']) # Système
# pin_config = system.get_pin_config()
###############################################################################
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# Zone de dessin
###############################################################################
class MplCanvas(FigureCanvasQTAgg):
def __init__(self, parent=None, width=5, height=4, dpi=100):
fig = Figure(figsize=(width, height), dpi=dpi)
self.subplot = fig.add_subplot(111)
super(MplCanvas, self).__init__(fig)
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###############################################################################
# Graphique dynamique
###############################################################################
class DynamicPlot(QtWidgets.QMainWindow):
# Création du graphique
def __init__(self, *args, **kwargs):
super(MainWindow, self).__init__(*args, **kwargs)
self.canvas = MplCanvas(self, width=5, height=4, dpi=100)
self.setCentralWidget(self.canvas)
n_data = 50
# self.xdata = list(range(n_data))
# self.ydata = [random.randint(0, 10) for i in range(n_data)]
self.xdata = [0]
self.ydata = [0]
self.update_plot()
self.show()
# Timer pour le update_plot
fps = 120 # Blender est cadencé à 60 fps
self.timer = QtCore.QTimer()
# self.timer.setInterval(int(1000/fps))
self.timer.setInterval(1)
self.timer.timeout.connect(self.update_plot)
self.timer.start()
print("Qt : Canvas ready\n")
# Lecture des données et mise à jour du graphique
def update_plot(self):
plt = self.canvas.subplot
# Données
msg=""
for line in sys.stdin:
msg = line.rstrip()
break
print("Qt : ", msg)
# Essai
new_x=self.xdata[len(self.xdata)-1]+1
self.xdata.append(new_x)
self.ydata.append(random.randint(0, 10))
# Lecture du Pipe simple
# msg=""
# print (sys.stdin)
# contents = sys.stdin.read(1)
# # contents = sys.stdin.buffer
# print ("contents :", contents)
# for line in sys.stdin:
# msg = line.rstrip()
# break
# print(msg)
# X et Y
# FIXME : temps et une valeur
# msg_list=msg.split(',')
# print(msg_list)
# if msg_list[0] != "":
# self.xdata = self.xdata + [float(msg_list[0])]
# self.ydata = self.ydata + [float(msg_list[1])]
# # Lecture du Pipe
# # i=0
# # lines = sys.stdin.readlines()
# # print (lines)
# # print ("b")
# msg_line=""
# # msg_lines=[]
# for line in sys.stdin:
# # i+=1
# # print (i)
# msg_line = line.rstrip()
# # msg_lines.append(msg_line)
# # print("Qt msg_lines :", msg)
# # if i==2:
# # break
# break
# print("Qt :", msg_line)
# # print("Qt msg_lines :", msg_lines)
# # X et Y
# # FIXME : temps msg_list[0] et une seule valeur msg_list[1]
# msg_list=msg_line.split(',')
# # print(msg_list)
# if msg_list[0] != "":
# self.xdata = self.xdata + [float(msg_list[0])]
# self.ydata = self.ydata + [float(msg_list[1])]
# for line in msg_lines:
# msg_list=line.split(',')
# # print(msg_list)
# if msg_list[0] != "":
# self.xdata = self.xdata + [float(msg_list[0])]
# self.ydata = self.ydata + [float(msg_list[1])]
# for line in sys.stdin:
# msg_list=msg.split(',')
# print(msg_list)
# if msg_list[0] != "":
# self.xdata = self.xdata + [float(msg_list[0])]
# self.ydata = self.ydata + [float(msg_list[1])]
# self.ydata = self.ydata + [random.randint(0, 10)]
# Drop off the first y element, append a new one.
# self.ydata = self.ydata[1:] + [random.randint(0, 10)]
# Redraw
plt.cla()
plt.plot(self.xdata, self.ydata, 'r')
self.canvas.draw()
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###############################################################################
# Graphique statique
###############################################################################
class MainWindow(QtWidgets.QMainWindow):
# Création du graphique
def __init__(self, *args, **kwargs):
# Zone graphique (barre d'outil et graphique)
super(MainWindow, self).__init__(*args, **kwargs)
self.canvas = MplCanvas(self, width=5, height=4, dpi=100)
toolbar = NavigationToolbar(self.canvas, self)
plt = self.canvas.subplot
# Implantation
layout = QtWidgets.QVBoxLayout()
layout.addWidget(toolbar)
layout.addWidget(self.canvas)
widget = QtWidgets.QWidget()
widget.setLayout(layout)
self.setCentralWidget(widget)
# Lecture des données
print ("Qt : fichier de données :", sys.argv[1])
n_data = 50
self.xdata = list(range(n_data))
self.ydata = [random.randint(0, 10) for i in range(n_data)]
# Plot
plt.cla()
plt.plot(self.xdata, self.ydata, 'b')
# Redraw
self.canvas.draw()
self.show()
###############################################################################
# Application
###############################################################################
app = QtWidgets.QApplication(sys.argv)
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# w = DynamicPlot()
w = MainWindow() # StaticPlot()
app.exec_()