我正在尝试将PyQtGraphs嵌入到现有的Qt窗口中（使用Qt Designer设计并转换为.py文件）。我无法将PyQt GraphicLayoutView正确地调整到Qt组，而Qt组也在Tab中。
我之前曾设法使用MatPlotLib让图表工作，但是一旦数据集变大，它们的更新速度太慢，所以我决定切换到几个帖子建议的PyQtGraph。
我不确定是否正确嵌入图表，或者是否需要调整GrahpicLayoutView的大小以填充该组。
感谢任何帮助，附上代码和图片：
Image showing how the graphicsView doesnt size to fit the group
emgWindow_ui.py
# Form implementation generated from reading ui file 'emgWindow.ui'
#
# Created by: PyQt4 UI code generator 4.11.4
#
# WARNING! All changes made in this file will be lost!
from PyQt4 import QtCore, QtGui
import pyqtgraph as pg
import numpy as np
try:
_fromUtf8 = QtCore.QString.fromUtf8
except AttributeError:
def _fromUtf8(s):
return s
try:
_encoding = QtGui.QApplication.UnicodeUTF8
def _translate(context, text, disambig):
return QtGui.QApplication.translate(context, text, disambig, _encoding)
except AttributeError:
def _translate(context, text, disambig):
return QtGui.QApplication.translate(context, text, disambig)
class Ui_MainWindow(object):
def setupUi(self, MainWindow):
global win,curve
MainWindow.setObjectName(_fromUtf8("MainWindow"))
MainWindow.resize(1239, 796)
sizePolicy = QtGui.QSizePolicy(QtGui.QSizePolicy.Expanding, QtGui.QSizePolicy.Preferred)
sizePolicy.setHorizontalStretch(0)
sizePolicy.setVerticalStretch(0)
sizePolicy.setHeightForWidth(MainWindow.sizePolicy().hasHeightForWidth())
MainWindow.setSizePolicy(sizePolicy)
self.centralWidget = QtGui.QWidget(MainWindow)
sizePolicy = QtGui.QSizePolicy(QtGui.QSizePolicy.Expanding, QtGui.QSizePolicy.Expanding)
sizePolicy.setHorizontalStretch(0)
sizePolicy.setVerticalStretch(0)
sizePolicy.setHeightForWidth(self.centralWidget.sizePolicy().hasHeightForWidth())
self.centralWidget.setSizePolicy(sizePolicy)
self.centralWidget.setObjectName(_fromUtf8("centralWidget"))
self.gridLayout = QtGui.QGridLayout(self.centralWidget)
self.gridLayout.setMargin(11)
self.gridLayout.setSpacing(6)
self.gridLayout.setObjectName(_fromUtf8("gridLayout"))
self.tabWidget = QtGui.QTabWidget(self.centralWidget)
sizePolicy = QtGui.QSizePolicy(QtGui.QSizePolicy.Expanding, QtGui.QSizePolicy.Expanding)
sizePolicy.setHorizontalStretch(0)
sizePolicy.setVerticalStretch(0)
sizePolicy.setHeightForWidth(self.tabWidget.sizePolicy().hasHeightForWidth())
self.tabWidget.setSizePolicy(sizePolicy)
self.tabWidget.setObjectName(_fromUtf8("tabWidget"))
self.recordTab = QtGui.QWidget()
self.recordTab.setObjectName(_fromUtf8("recordTab"))
self.dirFrame = QtGui.QFrame(self.recordTab)
self.dirFrame.setGeometry(QtCore.QRect(10, 640, 711, 51))
self.dirFrame.setFrameShape(QtGui.QFrame.StyledPanel)
self.dirFrame.setFrameShadow(QtGui.QFrame.Raised)
self.dirFrame.setObjectName(_fromUtf8("dirFrame"))
self.dirTextBox = QtGui.QTextEdit(self.dirFrame)
self.dirTextBox.setGeometry(QtCore.QRect(10, 10, 511, 31))
self.dirTextBox.setObjectName(_fromUtf8("dirTextBox"))
self.recordBtn = QtGui.QPushButton(self.dirFrame)
self.recordBtn.setGeometry(QtCore.QRect(530, 10, 81, 31))
self.recordBtn.setObjectName(_fromUtf8("recordBtn"))
self.stopBtn = QtGui.QPushButton(self.dirFrame)
self.stopBtn.setGeometry(QtCore.QRect(620, 10, 81, 31))
self.stopBtn.setObjectName(_fromUtf8("stopBtn"))
self.trainingIMGBox = QtGui.QGroupBox(self.recordTab)
self.trainingIMGBox.setGeometry(QtCore.QRect(730, 400, 481, 291))
self.trainingIMGBox.setObjectName(_fromUtf8("trainingIMGBox"))
self.IMUBox = QtGui.QGroupBox(self.recordTab)
self.IMUBox.setGeometry(QtCore.QRect(730, 10, 481, 381))
self.IMUBox.setObjectName(_fromUtf8("IMUBox"))
self.EMGBox = QtGui.QGroupBox(self.recordTab)
self.EMGBox.setGeometry(QtCore.QRect(10, 10, 711, 621))
self.EMGBox.setObjectName(_fromUtf8("EMGBox"))
self.tabWidget.addTab(self.recordTab, _fromUtf8(""))
self.classifyTab = QtGui.QWidget()
self.classifyTab.setObjectName(_fromUtf8("classifyTab"))
self.frame_4 = QtGui.QFrame(self.classifyTab)
self.frame_4.setGeometry(QtCore.QRect(280, 10, 921, 681))
self.frame_4.setFrameShape(QtGui.QFrame.StyledPanel)
self.frame_4.setFrameShadow(QtGui.QFrame.Raised)
self.frame_4.setObjectName(_fromUtf8("frame_4"))
self.featuresBox = QtGui.QGroupBox(self.classifyTab)
self.featuresBox.setGeometry(QtCore.QRect(10, 10, 261, 191))
self.featuresBox.setObjectName(_fromUtf8("featuresBox"))
self.MAVCheck = QtGui.QCheckBox(self.featuresBox)
self.MAVCheck.setGeometry(QtCore.QRect(10, 20, 141, 17))
self.MAVCheck.setObjectName(_fromUtf8("MAVCheck"))
self.RMSCheck = QtGui.QCheckBox(self.featuresBox)
self.RMSCheck.setGeometry(QtCore.QRect(10, 40, 141, 17))
self.RMSCheck.setObjectName(_fromUtf8("RMSCheck"))
self.VARCheck = QtGui.QCheckBox(self.featuresBox)
self.VARCheck.setGeometry(QtCore.QRect(10, 60, 131, 17))
self.VARCheck.setObjectName(_fromUtf8("VARCheck"))
self.SSICheck = QtGui.QCheckBox(self.featuresBox)
self.SSICheck.setGeometry(QtCore.QRect(10, 80, 141, 17))
self.SSICheck.setObjectName(_fromUtf8("SSICheck"))
self.ZCCheck = QtGui.QCheckBox(self.featuresBox)
self.ZCCheck.setGeometry(QtCore.QRect(10, 100, 131, 17))
self.ZCCheck.setObjectName(_fromUtf8("ZCCheck"))
self.WLCheck = QtGui.QCheckBox(self.featuresBox)
self.WLCheck.setGeometry(QtCore.QRect(10, 120, 141, 17))
self.WLCheck.setObjectName(_fromUtf8("WLCheck"))
self.SSCCheck = QtGui.QCheckBox(self.featuresBox)
self.SSCCheck.setGeometry(QtCore.QRect(10, 140, 141, 17))
self.SSCCheck.setObjectName(_fromUtf8("SSCCheck"))
self.WACheck = QtGui.QCheckBox(self.featuresBox)
self.WACheck.setGeometry(QtCore.QRect(10, 160, 131, 17))
self.WACheck.setObjectName(_fromUtf8("WACheck"))
self.splitBox = QtGui.QGroupBox(self.classifyTab)
self.splitBox.setGeometry(QtCore.QRect(10, 210, 261, 91))
self.splitBox.setObjectName(_fromUtf8("splitBox"))
self.trainSpin = QtGui.QSpinBox(self.splitBox)
self.trainSpin.setGeometry(QtCore.QRect(110, 20, 42, 22))
self.trainSpin.setMinimum(1)
self.trainSpin.setMaximum(100)
self.trainSpin.setSingleStep(5)
self.trainSpin.setProperty("value", 70)
self.trainSpin.setObjectName(_fromUtf8("trainSpin"))
self.testSpin = QtGui.QSpinBox(self.splitBox)
self.testSpin.setGeometry(QtCore.QRect(110, 60, 42, 22))
self.testSpin.setMinimum(1)
self.testSpin.setMaximum(100)
self.testSpin.setSingleStep(5)
self.testSpin.setProperty("value", 30)
self.testSpin.setObjectName(_fromUtf8("testSpin"))
self.label = QtGui.QLabel(self.splitBox)
self.label.setGeometry(QtCore.QRect(10, 20, 91, 16))
self.label.setObjectName(_fromUtf8("label"))
self.label_2 = QtGui.QLabel(self.splitBox)
self.label_2.setGeometry(QtCore.QRect(10, 60, 91, 16))
self.label_2.setObjectName(_fromUtf8("label_2"))
self.splitBtn = QtGui.QPushButton(self.splitBox)
self.splitBtn.setGeometry(QtCore.QRect(170, 20, 75, 61))
self.splitBtn.setObjectName(_fromUtf8("splitBtn"))
self.trainBtn = QtGui.QPushButton(self.classifyTab)
self.trainBtn.setGeometry(QtCore.QRect(40, 310, 181, 41))
self.trainBtn.setAutoFillBackground(False)
self.trainBtn.setObjectName(_fromUtf8("trainBtn"))
self.resultsBox = QtGui.QGroupBox(self.classifyTab)
self.resultsBox.setGeometry(QtCore.QRect(10, 360, 261, 331))
self.resultsBox.setObjectName(_fromUtf8("resultsBox"))
self.resultsScroll = QtGui.QScrollArea(self.resultsBox)
self.resultsScroll.setGeometry(QtCore.QRect(10, 20, 241, 301))
self.resultsScroll.setVerticalScrollBarPolicy(QtCore.Qt.ScrollBarAlwaysOn)
self.resultsScroll.setHorizontalScrollBarPolicy(QtCore.Qt.ScrollBarAlwaysOff)
self.resultsScroll.setWidgetResizable(True)
self.resultsScroll.setObjectName(_fromUtf8("resultsScroll"))
self.scrollAreaWidgetContents = QtGui.QWidget()
self.scrollAreaWidgetContents.setGeometry(QtCore.QRect(0, 0, 222, 299))
self.scrollAreaWidgetContents.setObjectName(_fromUtf8("scrollAreaWidgetContents"))
self.resultsScroll.setWidget(self.scrollAreaWidgetContents)
self.tabWidget.addTab(self.classifyTab, _fromUtf8(""))
self.testTab = QtGui.QWidget()
self.testTab.setObjectName(_fromUtf8("testTab"))
self.detectBox = QtGui.QGroupBox(self.testTab)
self.detectBox.setGeometry(QtCore.QRect(600, 10, 191, 681))
self.detectBox.setObjectName(_fromUtf8("detectBox"))
self.gestureTable = QtGui.QTableWidget(self.detectBox)
self.gestureTable.setGeometry(QtCore.QRect(10, 20, 171, 651))
font = QtGui.QFont()
font.setPointSize(12)
self.gestureTable.setFont(font)
self.gestureTable.setVerticalScrollBarPolicy(QtCore.Qt.ScrollBarAlwaysOff)
self.gestureTable.setHorizontalScrollBarPolicy(QtCore.Qt.ScrollBarAlwaysOff)
self.gestureTable.setEditTriggers(QtGui.QAbstractItemView.NoEditTriggers)
self.gestureTable.setTextElideMode(QtCore.Qt.ElideMiddle)
self.gestureTable.setRowCount(10)
self.gestureTable.setColumnCount(1)
self.gestureTable.setObjectName(_fromUtf8("gestureTable"))
self.gestureTable.horizontalHeader().setVisible(False)
self.gestureTable.horizontalHeader().setDefaultSectionSize(170)
self.gestureTable.verticalHeader().setVisible(False)
self.gestureTable.verticalHeader().setDefaultSectionSize(65)
self.imgBox = QtGui.QFrame(self.testTab)
self.imgBox.setGeometry(QtCore.QRect(10, 10, 581, 571))
self.imgBox.setFrameShape(QtGui.QFrame.StyledPanel)
self.imgBox.setFrameShadow(QtGui.QFrame.Raised)
self.imgBox.setObjectName(_fromUtf8("imgBox"))
self.gestureSignal = QtGui.QLabel(self.testTab)
self.gestureSignal.setGeometry(QtCore.QRect(10, 590, 581, 21))
font = QtGui.QFont()
font.setPointSize(15)
font.setBold(True)
font.setWeight(75)
self.gestureSignal.setFont(font)
self.gestureSignal.setAlignment(QtCore.Qt.AlignCenter)
self.gestureSignal.setObjectName(_fromUtf8("gestureSignal"))
self.startBtn = QtGui.QPushButton(self.testTab)
self.startBtn.setGeometry(QtCore.QRect(230, 630, 71, 51))
self.startBtn.setObjectName(_fromUtf8("startBtn"))
self.stopBtn_2 = QtGui.QPushButton(self.testTab)
self.stopBtn_2.setGeometry(QtCore.QRect(310, 630, 75, 51))
self.stopBtn_2.setObjectName(_fromUtf8("stopBtn_2"))
self.currentBox = QtGui.QGroupBox(self.testTab)
self.currentBox.setGeometry(QtCore.QRect(800, 10, 411, 681))
self.currentBox.setObjectName(_fromUtf8("currentBox"))
self.tabWidget.addTab(self.testTab, _fromUtf8(""))
self.gridLayout.addWidget(self.tabWidget, 0, 0, 1, 1)
MainWindow.setCentralWidget(self.centralWidget)
self.menuBar = QtGui.QMenuBar(MainWindow)
self.menuBar.setGeometry(QtCore.QRect(0, 0, 1239, 21))
self.menuBar.setObjectName(_fromUtf8("menuBar"))
MainWindow.setMenuBar(self.menuBar)
self.mainToolBar = QtGui.QToolBar(MainWindow)
self.mainToolBar.setObjectName(_fromUtf8("mainToolBar"))
MainWindow.addToolBar(QtCore.Qt.TopToolBarArea, self.mainToolBar)
self.statusBar = QtGui.QStatusBar(MainWindow)
self.statusBar.setObjectName(_fromUtf8("statusBar"))
MainWindow.setStatusBar(self.statusBar)
self.win = pg.GraphicsLayoutWidget(self.EMGBox)
#self.win = pg.GraphicsWindow()
pg.setConfigOptions(antialias=True)
self.p6 = self.win.addPlot(title="My Plot")
self.curve = self.p6.plot(pen='r')
data1 = np.random.normal(size=300)
curve1 = self.p6.plot(data1)
ptr1 = 0
def update1():
global data1, ptr1
data1[:-1] = data1[1:] # shift data in the array one sample left
# (see also: np.roll)
data1[-1] = np.random.normal()
curve1.setData(data1)
ptr1 += 1
curve1.setData(data1)
self.retranslateUi(MainWindow)
self.tabWidget.setCurrentIndex(0)
QtCore.QMetaObject.connectSlotsByName(MainWindow)
def retranslateUi(self, MainWindow):
MainWindow.setWindowTitle(_translate("MainWindow", "EMG Gesute Classifier", None))
self.recordBtn.setText(_translate("MainWindow", "Record", None))
self.stopBtn.setText(_translate("MainWindow", "Stop", None))
self.trainingIMGBox.setTitle(_translate("MainWindow", "Gesture", None))
self.IMUBox.setTitle(_translate("MainWindow", "IMU Data", None))
self.EMGBox.setTitle(_translate("MainWindow", "EMG Data", None))
self.tabWidget.setTabText(self.tabWidget.indexOf(self.recordTab), _translate("MainWindow", "Record", None))
self.featuresBox.setTitle(_translate("MainWindow", "Features", None))
self.MAVCheck.setText(_translate("MainWindow", "Mean Absolute Value", None))
self.RMSCheck.setText(_translate("MainWindow", "Root Mean Square", None))
self.VARCheck.setText(_translate("MainWindow", "Variance", None))
self.SSICheck.setText(_translate("MainWindow", "Simple Square Integral", None))
self.ZCCheck.setText(_translate("MainWindow", "Zero Crossings", None))
self.WLCheck.setText(_translate("MainWindow", "Wave Length", None))
self.SSCCheck.setText(_translate("MainWindow", "Slope Sign Changes", None))
self.WACheck.setText(_translate("MainWindow", "Willison Amplitude", None))
self.splitBox.setTitle(_translate("MainWindow", "Split Data", None))
self.label.setText(_translate("MainWindow", "Training Dataset:", None))
self.label_2.setText(_translate("MainWindow", "Test Dataset:", None))
self.splitBtn.setText(_translate("MainWindow", "Split", None))
self.trainBtn.setText(_translate("MainWindow", "Train", None))
self.resultsBox.setTitle(_translate("MainWindow", "Results", None))
self.tabWidget.setTabText(self.tabWidget.indexOf(self.classifyTab), _translate("MainWindow", "Classify", None))
self.detectBox.setTitle(_translate("MainWindow", "Gesture Detected", None))
self.gestureSignal.setText(_translate("MainWindow", "SIGNAL", None))
self.startBtn.setText(_translate("MainWindow", "Start", None))
self.stopBtn_2.setText(_translate("MainWindow", "Stop", None))
self.currentBox.setTitle(_translate("MainWindow", "Current", None))
self.tabWidget.setTabText(self.tabWidget.indexOf(self.testTab), _translate("MainWindow", "Test", None))
全部从emgRun.py
执行import sys
import numpy as np
import pyqtgraph as pg
from PyQt4 import QtCore, QtGui
from emgesture import EMG_Classify as emg
from emgWindow_ui import Ui_MainWindow
data = emg.dataset
class MyForm(QtGui.QMainWindow):
def __init__(self, parent=None):
QtGui.QWidget.__init__(self, parent)
self.ui = Ui_MainWindow()
self.ui.setupUi(self)
if __name__ == "__main__":
app = QtGui.QApplication(sys.argv)
myapp = MyForm()
myapp.show()
sys.exit(app.exec_())