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GJEMSRDViewer.py
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GJEMSRDViewer.py
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import sys
from PyQt4 import QtGui, QtCore
import os
from mplwidget import MatplotlibWidget
from rawDataImport import RawDataViewer
import quantities as qu
mplPars = {
'axes.labelsize': 'large',
'axes.titlesize': 16,
# 'font.family': 'sans-serif',
# 'font.sans-serif': 'computer modern roman',
'font.size': 16,
'font.weight': 'black',
'xtick.labelsize': 14,
'ytick.labelsize': 14,
'legend.fontsize': 12,
}
class TitledText(QtGui.QGroupBox):
def __init__(self, title, parent=None):
QtGui.QGroupBox.__init__(self, title, parent)
self.line = QtGui.QLineEdit()
self.line.setMaxLength(120)
self.line.setMaximumHeight(30)
self.line.setSizePolicy(QtGui.QSizePolicy.Preferred, QtGui.QSizePolicy.Fixed)
hbox = QtGui.QHBoxLayout(self)
hbox.addWidget(self.line)
self.setLayout(hbox)
def setText(self, str):
self.line.setText(str)
def raiseInfo(self, str):
QtGui.QMessageBox.information(self.line, 'Warning!', str)
class PathSelect(QtGui.QGroupBox):
def getDir(self):
pass
def __init__(self, title, parent=None):
QtGui.QGroupBox.__init__(self, title, parent)
self.dirPathW = QtGui.QLineEdit()
self.dirPathW.setMaxLength(100)
self.dirPathW.setMaximumHeight(30)
self.dirPathW.setSizePolicy(QtGui.QSizePolicy.Preferred, QtGui.QSizePolicy.Fixed)
chooseDirPathB = QtGui.QPushButton('Select')
chooseDirPathB.setMaximumHeight(30)
chooseDirPathB.setSizePolicy(QtGui.QSizePolicy.Fixed, QtGui.QSizePolicy.Fixed)
self.connect(chooseDirPathB, QtCore.SIGNAL('clicked()'), self.getDir)
hbox = QtGui.QHBoxLayout()
hbox.addWidget(self.dirPathW)
hbox.addWidget(chooseDirPathB)
self.pathSet = False
self.dirPathW.setSizePolicy(QtGui.QSizePolicy.Preferred, QtGui.QSizePolicy.Fixed)
self.setMaximumHeight(60)
self.setLayout(hbox)
def raiseInfo(self, str):
QtGui.QMessageBox.information(self.dirPathW, 'Warning!', str)
def setText(self, str):
if os.path.isdir(str) or os.path.isfile(str):
self.dirPathW.setText(str)
else:
# self.raiseInfo('No such file or directory: ' + str)
pass
class FileSelect(PathSelect):
def getDir(self):
filePath = QtGui.QFileDialog.getOpenFileName(self, 'Select ' + self.title(), os.getcwd(),
self.fileType)
if filePath is None:
self.raiseInfo('Invalid Selection! Please try again.')
else:
self.setText(filePath)
def __init__(self, title, fileType, parent=None,):
PathSelect.__init__(self, title, parent)
self.fileType = fileType
class CentralWidget(QtGui.QWidget):
def __init__(self, parent):
QtGui.QWidget.__init__(self, parent)
iconsFolder = parent.iconsFolder
self.smrFileSelect = FileSelect('SMR File', 'SMR File( *.smr)')
fileSelectGrid = QtGui.QGridLayout()
fileSelectGrid.addWidget(self.smrFileSelect, 0, 0)
self.startW = TitledText('Start time in s')
self.endW = TitledText('End time in s')
startstopGrid = QtGui.QGridLayout()
startstopGrid.addWidget(self.startW, 0, 0)
startstopGrid.addWidget(self.endW, 0, 1)
self.vCalib = TitledText("Voltage Calibration Entry")
self.ints2Exclude = TitledText("Intervals to Exclude Entry")
calibrationExclGrid = QtGui.QGridLayout()
calibrationExclGrid.addWidget(self.vCalib, 0, 0)
calibrationExclGrid.addWidget(self.ints2Exclude, 0, 1)
self.mplPlot = MatplotlibWidget(parent=self, mplPars=mplPars)
prevButton = QtGui.QPushButton(QtGui.QIcon(os.path.join(iconsFolder, 'go-previous.png')), 'Previous', self)
nextButton = QtGui.QPushButton(QtGui.QIcon(os.path.join(iconsFolder, 'go-next.png')), 'Next', self)
self.connect(nextButton, QtCore.SIGNAL('clicked()'), self.plotNextInterval)
self.connect(prevButton, QtCore.SIGNAL('clicked()'), self.plotPrevInterval)
plotGrid = QtGui.QGridLayout()
plotGrid.addWidget(prevButton, 0, 0)
plotGrid.addWidget(self.mplPlot, 0, 1)
plotGrid.addWidget(nextButton, 0, 2)
vbox = QtGui.QVBoxLayout()
vbox.stretch(1)
vbox.addLayout(fileSelectGrid)
vbox.addLayout(startstopGrid)
vbox.addLayout(calibrationExclGrid)
vbox.addLayout(plotGrid)
self.setLayout(vbox)
def load(self):
vCalibStr = str(self.vCalib.line.text())
if vCalibStr == '':
vCalibStr = "20"
ints2Excl = str(self.ints2Exclude.line.text())
if ints2Excl == '':
ints2Excl = None
self.rdi = RawDataViewer(str(self.smrFileSelect.dirPathW.text()),
forceUnits=True,
voltageCalibStr=vCalibStr,
ints2Exclude=ints2Excl
)
tStart = min(self.rdi.vibrationSignal.t_start, self.rdi.voltageSignal.t_start)
if self.rdi.currentSignal is not None:
tStart = min(tStart, self.rdi.currentSignal.t_start)
tStart.units = qu.s
self.presentPlotStart = tStart
self.epochWidth = 20 * qu.s
self.draw(self.presentPlotStart, self.presentPlotStart + self.epochWidth)
def refresh(self):
if not hasattr(self, 'rdi'):
self.startW.raiseInfo('Please load the data first')
else:
startText = self.startW.line.text()
endText = self.endW.line.text()
if not startText:
self.startW.raiseInfo('Please enter a valid starting time.')
elif not endText:
self.endW.raiseInfo('Please enter a valid ending time')
else:
startTime = float(startText) * qu.s
endTime = float(endText) * qu.s
if startTime < self.rdi.vibrationSignal.t_start:
self.startW.raiseInfo('Signal Starts at ' + str(self.rdi.vibrationSignal.t_start)
+'. Please enter valid start value.' )
elif endTime > self.rdi.vibrationSignal.t_stop:
self.startW.raiseInfo('Signal End at ' + str(self.rdi.vibrationSignal.t_stop)
+'. Please enter valid end value.')
elif endTime == startTime:
self.startW.raiseInfo('Error: Start and End times are same')
else:
self.draw(startTime, endTime)
self.epochWidth = endTime - startTime
self.presentPlotStart = startTime
def draw(self, start=None, end=None):
if start:
self.presentPlotStart = start
self.mplPlot.axes.clear()
self.rdi.plotVibEpoch(self.mplPlot.axes, [start, end])
self.mplPlot.draw()
def plotNextInterval(self):
if self.presentPlotStart + 2 * self.epochWidth <= self.rdi.voltageSignal.t_stop:
self.draw(self.presentPlotStart + self.epochWidth, self.presentPlotStart + 2 * self.epochWidth)
def plotPrevInterval(self):
if self.presentPlotStart - self.epochWidth >= self.rdi.voltageSignal.t_start:
self.draw(self.presentPlotStart - self.epochWidth, self.presentPlotStart)
class MainWindow(QtGui.QMainWindow):
def __init__(self):
QtGui.QMainWindow.__init__(self)
self.iconsFolder = os.path.join(os.path.dirname(sys.executable), 'icons')
self.initUI()
def initUI(self):
self.statusBar().showMessage('Ready')
self.resizeAndCenter()
self.setWindowTitle('GinJang Data Viewer')
self.setWindowIcon(QtGui.QIcon(os.path.join(self.iconsFolder, 'LogoGJ.png')))
exit = QtGui.QAction(QtGui.QIcon(os.path.join(self.iconsFolder, 'cancel.png')), 'Exit', self)
exit.setShortcut('Ctrl+Q')
exit.setStatusTip('Exit application')
self.connect(exit, QtCore.SIGNAL('triggered()'), QtCore.SLOT('close()'))
toolbar = self.addToolBar('ToolBar')
toolbar.addAction(exit)
self.centralW = CentralWidget(self)
self.setCentralWidget(self.centralW)
loadData = QtGui.QAction(QtGui.QIcon(os.path.join(self.iconsFolder, 'document-save.png')), 'Load Data', self)
loadData.setShortcut('F4')
loadData.setStatusTip('Load data from the selected files')
self.connect(loadData, QtCore.SIGNAL('triggered()'), self.centralW.load)
toolbar.addAction(loadData)
refresh = QtGui.QAction(QtGui.QIcon(os.path.join(self.iconsFolder, 'dialog-apply.png')), 'Refresh plot', self)
refresh.setShortcut('F5')
refresh.setStatusTip('Refresh plot according to start stop times entered')
self.connect(refresh, QtCore.SIGNAL('triggered()'), self.centralW.refresh)
toolbar.addAction(refresh)
menubar = self.menuBar()
file = menubar.addMenu('&File')
file.addAction(loadData)
file.addAction(refresh)
file.addAction(exit)
def resizeAndCenter(self):
screen = QtGui.QDesktopWidget().screenGeometry()
self.resize(screen.width() / 2.0, screen.height() / 2.0)
size = self.geometry()
self.move((screen.width() - size.width())/2, (screen.height() - size.height())/2)
def closeEvent(self, event):
reply = QtGui.QMessageBox.question(self, 'Message',
"Really quit?", QtGui.QMessageBox.Yes |
QtGui.QMessageBox.No, QtGui.QMessageBox.No)
if reply == QtGui.QMessageBox.Yes:
event.accept()
else:
event.ignore()
def main():
app = QtGui.QApplication(sys.argv)
main = MainWindow()
main.show()
sys.exit(app.exec_())
if __name__ == '__main__':
main()