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| from PyQt5 import QtWidgets, uic
from pyqtgraph import PlotWidget, plot
import pyqtgraph as pg
import sys # We need sys so that we can pass argv to QApplication
import os
import pyqtgraph as pg
from collections import deque
from pyqtgraph.Qt import QtGui
import numpy as np
from PyQt5.QtWidgets import QListWidget, QLabel, QPushButton
from PyQt5.QtWidgets import QListWidgetItem
class MainWindow(QtWidgets.QMainWindow):
def __init__(self, *args, **kwargs):
super(MainWindow, self).__init__(*args, **kwargs)
#Load the UI Page
uic.loadUi('graph6.ui', self)
self.dat = deque()
self.maxLen = 50#max number of data points to show on graph
self.app = QtGui.QApplication([])
self.win = pg.GraphicsWindow()
self.win.setWindowTitle('graph1')
self.label = pg.LabelItem(justify='right')
self.win.addItem(self.label)
self.p1 = self.win.addPlot(row=1, col=0)
self.win.nextRow()
self.region = pg.LinearRegionItem()
self.region.setZValue(10)
self.p1.setAutoVisible(y=True)
#plt.axis([-1,1,-3,3])
self.x=np.linspace(0,23,15000)
self.data1 = np.sqrt(self.x)
self.fen.showGrid(x=True, y=True)
self.fen.plot(self.data1, pen="y")
self.p1.plot(self.data1, pen="y")
self.fen.resize(900,500)
self.fen.move(200,60)
self.MyUI()
self.listefichier()
def updateRegion(window, viewRange):
rgn = viewRange[0]
self.region.setRegion(rgn)
self.p1.sigRangeChanged.connect(updateRegion)
self.region.setRegion([1000, 2000])
vLine = pg.InfiniteLine(angle=90, movable=False)
hLine = pg.InfiniteLine(angle=0, movable=False)
self.p1.addItem(vLine, ignoreBounds=True)
self.p1.addItem(hLine, ignoreBounds=True)
vb = self.p1.vb
def mouseMoved(evt):
pos = evt[0] ## using signal proxy turns original arguments into a tuple
if self.p1.sceneBoundingRect().contains(pos):
mousePoint = vb.mapSceneToView(pos)
index = int(mousePoint.x())
if index > 0 and index < len(self.data1):
self.label.setText("<span style='font-size: 12pt'><span style='color: yellow'>x=%0.1f, <span style='color: yellow'>y1=%0.1f</span>" % (mousePoint.x(), self.data1[index]))
vLine.setPos(mousePoint.x())
hLine.setPos(mousePoint.y())
proxy = pg.SignalProxy(self.p1.scene().sigMouseMoved, rateLimit=60, slot=mouseMoved)
#QtGui.QApplication.instance().exec_()
"""
gestion de la liste
"""
def listefichier(self):
nb_fichier=10
#self.list_w.setGeometry(500, 740, 200, 60)
for a in range(nb_fichier):
itema = QListWidgetItem("fichier"+str(a+1))
self.list_w.addItem(itema)
"""
gestion des boutons
"""
def MyUI(self):
self.pushButton.clicked.connect(self.appui_bouton1)
#self.pushButton_2 = QPushButton("supprimer", self)
self.pushButton_2.clicked.connect(self.appui_bouton2)
#
# button3 = QPushButton("suivant", self)
self.pushButton_3.clicked.connect(self.appui_bouton3)
def appui_bouton1(self):
print("le fichier a été sauvergarder")
def appui_bouton2(self):
print("le fichier a été supprimer")
#os.remove("graph2.png")
def appui_bouton3(self):
print("suivant")
"""
appel dans le main
"""
def main():
app = QtWidgets.QApplication(sys.argv)
main = MainWindow()
main.show()
sys.exit(app.exec_())
if __name__ == '__main__':
main() |
