class clsDataView(QMainWindow, Ui_MainWindow):
def __init__(self):
super().__init__()
# 类成员变量初始化
self.colorDex = ['#7CFC00', '#B22222', '#E0FFFF', '#FFFF00', '#66FF00']
self.lPlottedItems = [] # list of plotItems in the dataplot area
self.currentPlotWin = '' # keep current selected plot window for next curve plotting
self.curLabelofYvalue = None # the label of Y value in current plot area
self.lPlotWindows = ['Plot1'] # list of plot window
self.lViewBoxes = [] # list of View box corresponding to the plotitem
self.lAxisItems = [] # list of axis item of the layout of plotItem
self.lPlottedCurves = [] # list of plotCurves of each plotItem
self.lDataFileName = [] # data file name list
self.shortfname = '' # data file name without path
self.bPlotted = False # not curve is plotted - could be replaced by len(lPlotItems) > 1
self.dataInRange_x = [] # keep the x ['TIME'] of data in range - first curve plotted
self.dataInRange_y = [] # keep the y of data in range - first curve plotted
self.lTestDATA = [] # the test data to be reviewed, each item is a class of data structure
# [testData1, testData2 ...]
# [(filename, column name, dataframe of data)
self.parColPlotted = [] # parameter column in plotting
self.minTimestamp = 1514764800.0 # the minimum of 20180101 08:00:00, ie. 1514764800.0 = datetime.datetime.strptime('2018-1-1 8:00:0', '%Y-%m-%d %H:%M:%S').timestamp()
self.maxTimestamp = 1514800800.0 # datetime.strptime('2018-1-1 18:00:0', '%Y-%m-%d %H:%M:%S').timestamp()
self.minYvalue = -20000
self.maxYvalue = 20000
# r'C:\onedrive\OneDrive - Honeywell\VPD\parameters code.csv'
self.dataparam = dataParam(self.resource_path('parameters_code.csv')) # data parameter definition
#self.dataparam = dateParam()
paramlist = self.dataparam.getParamName()
#self.dataparam.getParamInfo('ABCVIINR', 'paramDesc')
#self.dfData = pd.DataFrame() # pandas dataframes to be plot
# pyqtGraph 相关设置，必须要在self.setupUi之前
setConfigOption('background', 'w') # before loading widget
# # set the time axis of X
### TODO: need to comment the self.dataplot line in the mainUI.py if it is recreated
### or there is a error the plot widget being with no name of Plot1
xAxis = self.TimeAxisItem(orientation='bottom')
self.dataPlot = PlotWidget(self, axisItems={'bottom': xAxis}, name='Plot1') ### TODO: need to comment the self.dataplot line in the mainUI.py if it is recreated
self.setupUi(self)
self.initUI()
self.show()
#self.showMaximized() # max the window
def initUI(self):
# 添加打开菜单
selFileAction = QAction('&Open', self) # QAction(QIcon('open.png'), '&Open', self)
selFileAction.setShortcut('Ctrl+O')
selFileAction.setStatusTip('Open new File')
selFileAction.triggered.connect(self.openFile) # open data file
selFileAction.setIcon(QIcon(self.resource_path('import.png')))
exitAction = QAction('&Exit', self) #QtGui.QAction(QIcon('exit.png'), '&Exit', self)
exitAction.setShortcut('Ctrl+Q')
exitAction.setStatusTip('Exit the application')
#exitAction.triggered.connect(QtGui.qApp.quit)
exitAction.triggered.connect(self.exitAPP) # exit the application
exitAction.setIcon(QIcon(self.resource_path('exit.png')))
clearAction = QAction('Clear', self) # QtGui.QAction(QIcon('Clear.png'), 'Clear', self)
clearAction.triggered.connect(self.clearPlotArea)
clearAction.setIcon(QIcon(self.resource_path('clear.png')))
addPlotAction = QAction( 'Add a Plot', self) #QtGui.QAction(QIcon('Addplot.png'), 'Add a Plot', self)
addPlotAction.triggered.connect(self.addPlotAera)
addPlotAction.setIcon(QIcon(self.resource_path('addplot.png')))
removePlotAction = QAction('Remove the Plot', self) # QtGui.QAction(QIcon('Addplot.png'), 'Remove a Plot', self)
removePlotAction.triggered.connect(self.removeDataPlotWin)
removePlotAction.setIcon(QIcon(self.resource_path('remvplot.png')))
viewAllAction = QAction("View All", self)
viewAllAction.triggered.connect(self.autoRangeAllWins)
viewAllAction.setIcon(QIcon(self.resource_path('viewall.png')))
menubar = self.menuBar()
fileMenu = menubar.addMenu('&File') # add menu File
fileMenu.addAction(selFileAction) # link menu bar to openfile action with a menu item
fileMenu.addAction(exitAction) # add menu item exit
plotMenu = menubar.addMenu("Plot") # add menu Plot
plotMenu.addAction(clearAction) # add menu item of 'Clear' plot
plotMenu.addAction(addPlotAction) # add menu item of 'Add a Plot'
plotMenu.addAction(removePlotAction) # add menu item of 'Add a Plot'
helpMenu = menubar.addMenu("Help") # add menu help
helpAction = QAction('?', helpMenu)
helpAction.triggered.connect(self.helpme)
helpMenu.addAction(helpAction)
toolBar = self.addToolBar("Open")
toolBar.addAction(selFileAction) # link tool bar to openfile action
toolBar.addAction(clearAction)
toolBar.addAction(addPlotAction)
toolBar.addAction(removePlotAction)
toolBar.addAction(viewAllAction)
# toolBar = self.addToolBar('Exit')
# toolBar.addAction(selExitAction) # link menu bar to openfile action
# 设置dataPlot class: PlotWidget
self.dataPlot.plotItem.showGrid(True, True, 0.5)
#self.dataPlot.plotItem.addLegend()
self.dataPlot.setAutoVisible(y=True)
# 设置treeWidget的相关 class: QTreeWidget
self.treeWidget.setContextMenuPolicy(Qt.CustomContextMenu)
self.treeWidget.customContextMenuRequested.connect(self.showContextMenu)
self.treeWidget.treeContextMenu = QMenu(self)
self.actionA = self.treeWidget.treeContextMenu.addAction(u'Plot')
self.actionA.triggered.connect(
lambda: self.plotData(self.currSelctPlotWgt, self.treeWidget.selectedItems()))
self.treeWidget.setColumnCount(4)
self.treeWidget.setHeaderLabels(['#', 'Parameter', 'Parameter Name', 'Unit'])
self.treeWidget.setColumnWidth(0, 10)
self.treeWidget.setColumnWidth(1, 50)
self.treeWidget.setColumnWidth(2, 100)
### drag and drop
self.treeWidget.setDragDropMode(self.treeWidget.DragOnly)
# set up context menu of list widget
self.listWidget.setContextMenuPolicy(Qt.CustomContextMenu)
self.listWidget.customContextMenuRequested.connect(self.showListContextMenu)
self.listWidget.listContextMenu = QMenu(self)
self.actionB = self.listWidget.listContextMenu.addAction(u'Remove')
self.actionB.triggered.connect(
lambda: self.removeItemInPlot(self.listWidget.selectedItems()))
#################### get the test data from the import window
self.winImpData = clsImportData(self.dataparam, self.lTestDATA) # instance of the ImportData window
# # x axis for time
# xAxis = self.TimeAxisItem("bottom")
xAxis = self.dataPlot.plotItem.axes['bottom']['item']
# plotitem and viewbox
## at least one plotitem is used whioch holds its own viewbox and left axis
viewBox = self.dataPlot.plotItem.vb # reference to viewbox of the plotitem
viewBox.scaleBy(y=None)
# # link x axis to view box
xAxis.linkToView(viewBox)
self.dataPlot.plotItem.scene().sigMouseMoved.connect(self.mouseMove)
#self.dataPlot.plotItem.scene().sigMouseClicked.connect(self.mouseClick)
# self.dataPlot.HoverEnterEvent = self.hoverEnterEvent
## drag and drop
# self.dataPlot.dragEnterEvent = self.dragEnterEvent
# self.dataPlot.plotItem.setAcceptDrops(True)
# self.dataPlot.plotItem.dropEvent = self.dropEvent
vLine = InfiniteLine(angle=90, movable=False, name='vline')
hLine = InfiniteLine(angle=0, movable=False, name='hline')
self.dataPlot.addItem(vLine, ignoreBounds=True)
self.dataPlot.addItem(hLine, ignoreBounds=True)
# set the default plot range
self.dataPlot.setXRange(self.minTimestamp,self.maxTimestamp,padding=20)
self.dataPlot.setYRange(-10, 10, padding=20)
self.dataPlot.plotItem.getViewBox().setLimits()
self.dataPlot.plotItem.getAxis('left').setWidth(w=30)
self.dataPlot.plotItem.hideButtons()
#self.dataPlot.plotItem.scene().sigMouseLeave.connect(self.mouseLeave) # ##TODO: cleaning house job
self.dataPlot.installEventFilter(self)
txtY_value = TextItem("", fill=(0, 0, 255, 80), anchor=(0,1),color='w')
txtY_value.setParentItem(viewBox)
self.curLabelofYvalue = txtY_value
# #self.dataPlot.addItem(self.lableY_value)
# labelY_value.setPos(self.minTimestamp,100.0)
self.configPlotArea(self.dataPlot)
# set current selection plot window background
self.currSelctPlotWgt = self.dataPlot
self.currSelctPlotWgt.setBackground(0.95)
def eventFilter(self, source, event):
#print (event.type())
if event.type() == QEvent.Enter: #HoverEnter:
#print("Enter " + source.plotItem.vb.name)
self.currSelctPlotWgt.setBackground('default')
self.currSelctPlotWgt = source
self.currSelctPlotWgt.setBackground(0.95)
plotAreaName = source.plotItem.vb.name
#self.lPlottedItems.append({'Plot': plotWgtName, 'Curvename': curve_name, 'Filename': filename})
labelofYvalueExisting = False
plotAreaDirty = False
for i in self.lPlottedItems:
if i['Plot'] == plotAreaName: # there is at least a curve in the plot
plotAreaDirty = True
break
if plotAreaDirty:
# get the lable of labelY_value
for item in source.getViewBox().childItems():
if isinstance(item, graphicsItems.TextItem.TextItem): # the text label is linked to the viewbox, not showing up
self.curLabelofYvalue = item
source.addItem(self.curLabelofYvalue) # add the text label to show it up
labelofYvalueExisting = True
break
if not labelofYvalueExisting:
for item in source.plotItem.items: # the text label is in the plot item list
if isinstance(item, graphicsItems.TextItem.TextItem):
self.curLabelofYvalue = item
break
if event.type() == QEvent.Leave: # and source is self.dataPlot:
#print("Leave " + source.plotItem.vb.name)
for item in source.plotItem.items:
if isinstance(item, graphicsItems.TextItem.TextItem):
source.plotItem.removeItem(item) # remove the item
item.setParentItem(source.getViewBox()) # keep the link of the text label in the view box
break
# move the hline to 0
for iLine in source.items(): # loop for the hline
if hasattr(iLine, 'name'):
if iLine.name() == 'hline':
iLine.setPos(self.minTimestamp)
break
# print(event.type())
# if event.type() == QEvent.GraphicsSceneDragEnter:
# self.currSelctPlotWgt.setBackground('default')
# self.currSelctPlotWgt = source
# self.currSelctPlotWgt.setBackground(0.95)
return super(clsDataView,self).eventFilter(source,event)
def configPlotArea(self, plotWin):
vLine = InfiniteLine(angle=90, movable=False, name='vline')
hLine = InfiniteLine(angle=0, movable=False, name='hline')
plotWin.addItem(vLine, ignoreBounds=True)
plotWin.addItem(hLine, ignoreBounds=True)
#self.dataPlotRange.addItem(self.region, ignoreBounds=True)
def showContextMenu(self):
self.treeWidget.treeContextMenu.move(QCursor.pos())
self.treeWidget.treeContextMenu.show()
def dragEnterEvent(self, evt):
evt.accept()
# for i in range(self.dataPlotLayout.count()):
# plotAera = self.dataPlotLayout.itemAt(i).widget()
# print(plotAera.underMouse())
# if plotAera.underMouse():
# self.currSelctPlotWgt = plotAera
#
# break
# if self.currSelctPlotWgt.underMouse():
# else:
# evt.ignore()
def hoverEnterEvent(self,evet):
pass
def dropEvent(self, evt):
#self.emit(mouseEnter event)
#if self.currSelctPlotWgt.underMouse():
for i in range(self.dataPlotLayout.count()):
plotAera = self.dataPlotLayout.itemAt(i).widget()
print(plotAera.plotItem.vb.name)
print (plotAera.underMouse())
if plotAera.underMouse():
self.currSelctPlotWgt = plotAera
self.plotData(plotAera, self.treeWidget.selectedItems())
break
self.plotData(self.currSelctPlotWgt, self.treeWidget.selectedItems())
def showListContextMenu(self):
self.listWidget.listContextMenu.move(QCursor.pos())
self.listWidget.listContextMenu.show()
def autoRangeAllWins(self):
for i in range(self.dataPlotLayout.count()):
plotItem = self.dataPlotLayout.itemAt(i).widget()
plotItem.getViewBox().autoRange()
def mouseClick(self, evnt):
if self.currSelctPlotWgt:
self.currSelctPlotWgt.setBackground('default')
if evnt.currentItem is not None:
try:
self.currSelctPlotWgt = evnt.currentItem._viewWidget() # get the current selected widget
self.currSelctPlotWgt.setBackground(0.95)
except Exception as e:
pass
#QMessageBox.critical(self, "Error", e.__str__())
def clearPlotArea(self):
#self.dataPlot.plotItem.clear()
choice = QMessageBox.question(self, 'Plot1', "Remove all items in the first plot 1?",
QMessageBox.Yes | QMessageBox.No)
if choice == QMessageBox.Yes:
for item in self.dataPlot.items():
self.dataPlot.removeItem(item)
lstitems = self.listWidget.findItems('Plot1', Qt.MatchStartsWith)
if len(lstitems) > 0:
for iitem in lstitems:
self.listWidget.takeItem(self.listWidget.row(iitem))
for item in self.currSelctPlotWgt.scene().items():
if isinstance(item, graphicsItems.LegendItem.LegendItem): # remove items in the scene including the legend
self.currSelctPlotWgt.scene().removeItem(item)
#self.dataPlotRange.plotItem.clear()
self.bPlotted = False
self.configPlotArea(self.dataPlot)
def addPlotAera(self):
plotname = 'Plot' + str(len(self.lPlotWindows) + 1)
axis = self.TimeAxisItem(orientation='bottom')
vb = ViewBox()
newdataPlot = PlotWidget(self, viewBox=vb, axisItems={'bottom': axis}, name = plotname)
self.dataPlotLayout.addWidget(newdataPlot)
self.configPlotArea(newdataPlot)
newdataPlot.plotItem.scene().sigMouseClicked.connect(self.mouseClick)
newdataPlot.plotItem.scene().sigMouseMoved.connect(self.mouseMove)
## drag and drop
# newdataPlot.dragEnterEvent = self.dragEnterEvent
# newdataPlot.plotItem.setAcceptDrops(True)
# newdataPlot.plotItem.dropEvent = self.dropEvent
# set the default plot range
newdataPlot.setXRange(self.minTimestamp,self.maxTimestamp,padding=20)
newdataPlot.setYRange(-10, 10, padding=20)
newdataPlot.plotItem.getAxis('left').setWidth(w=30)
newdataPlot.plotItem.hideButtons()
newdataPlot.installEventFilter(self)
newdataPlot.plotItem.showGrid(True, True, 0.5)
vb.scaleBy(y=None)
# make it the current selection plot area
self.currSelctPlotWgt.setBackground('default')
self.currSelctPlotWgt = newdataPlot # set the current selection to plot1
self.currSelctPlotWgt.setBackground(0.95)
# link x axis to view box of the first data plot
viewBox = self.dataPlot.plotItem.vb # reference to viewbox of the plot 1
axis.linkToView(viewBox)
#axis.linkToView(vb)
# Link plot 1 X axia to the view box
lastplotItem = self.dataPlotLayout.itemAt(self.dataPlotLayout.count()-2).widget()
lastplotItem.getViewBox().setXLink(newdataPlot)
#lastplotItem.getViewBox().autoRange()
txtY_value = TextItem("", fill=(0, 0, 255, 80), anchor=(0, 1), color='w')
txtY_value.setParentItem(newdataPlot.plotItem.getViewBox())
self.autoRangeAllWins()
self.lPlotWindows.append(plotname)
def removeDataPlotWin(self):
curreSelctPlotWgtName = self.currSelctPlotWgt.getViewBox().name
if curreSelctPlotWgtName != 'Plot1' and curreSelctPlotWgtName in self.lPlotWindows: # can't delete plot1
choice = QMessageBox.question(self, curreSelctPlotWgtName, "Remove the selected plot window?",
QMessageBox.Yes | QMessageBox.No)
if choice == QMessageBox.Yes:
for item in self.currSelctPlotWgt.items(): # delete the items of the plot
self.currSelctPlotWgt.removeItem(item)
lstitems = self.listWidget.findItems(curreSelctPlotWgtName, Qt.MatchStartsWith) # delete the list in the list widget
if len(lstitems) > 0:
for iitem in lstitems:
self.listWidget.takeItem(self.listWidget.row(iitem))
for item in self.currSelctPlotWgt.scene().items(): # remove everything in the scene including the legend
self.currSelctPlotWgt.scene().removeItem(item)
self.dataPlotLayout.removeWidget(self.currSelctPlotWgt)
self.currSelctPlotWgt.deleteLater() #setHidden(True) # hide the selected widget, should be deleted, to be updated with delect command
self.currSelctPlotWgt = None
self.lPlotWindows.remove(curreSelctPlotWgtName) # remove the plot name from list of plot windows
self.currSelctPlotWgt = self.dataPlot # set the current selection to plot1
self.currSelctPlotWgt.setBackground(0.95)
def plotData(self, plotItem, selectedItems):
'''selectedItems: items selected in tree view
dfData: data frame of the selected data
'''
#plotItem = self.dataPlot.plotItem
# viewbox = pg.ViewBox()
# plotItem.scene().addItem(viewbox)
#plotItem = self.currSelctPlotWgt
plotItem.addLegend()
#plotItem.getAxis('bottom').setPen(pg.mkPen(color='#000000', width=1))
i = 0
for iItem in selectedItems:
if iItem.parent(): # not the root item
filename = iItem.parent().text(1) # get the parent item name - filename
for iData in self.lTestDATA: # find out the data from the data frame list by the filename
if filename == iData.fileName:
dfData = iData.data
break # break out of the loop for data
data_head = iItem.text(1) # get the column name of data for plotting
curve_name = data_head + '>>' + iItem.text(2) + '>>' + iItem.text(3) # parameter/parameter desc/unit
# y axis
data_2_plot = list(dfData[data_head])
# get the list of time column, for x axis
sTime = list(dfData['TIME'])
# convert the time in string to date time object
iTime = [self.sTimeToDateTime(j) for j in sTime]
i += 1 # for color index use
# example
# pw.plot(x=[x.timestamp() for x in iTime ], y= list(df['BCVIIN']), pen = 'r')
try:
plotcurve = PlotCurveItem(x=[x.timestamp() for x in iTime], y= data_2_plot, name = curve_name, pen=self.colorDex[i%5])
plotItem.addItem(plotcurve)
except Exception as e:
QMessageBox.critical(self, "Error", "Error with data to plot.\n" + e.__str__())
if not self.bPlotted:
self.bPlotted = True
plotWgtName = self.currSelctPlotWgt.getViewBox().name
if not plotWgtName: print("check the plotwidget definition in the mainUI.py, comment it!!!!")
self.lPlottedItems.append({'Plot': plotWgtName, 'Curvename': curve_name, 'Filename': filename })
self.listWidget.addItem(plotWgtName + '||' + curve_name + '||' + filename )
# labl = QLabel(curve_name)
# plotItem.addItem(labl)
for lgditem in plotItem.scene().items(): # remove the legend
if isinstance(lgditem, graphicsItems.LegendItem.ItemSample): #
lgditem.hide() # hide the sample of legend # plotItem.scene().items()[5].item is the curve itself
break
self.autoRangeAllWins()
def removeItemInPlot(self, selectedItem):
try:
if selectedItem[0]:
[plotname,itemname,filename] = selectedItem[0].text().split('||') #selectedItems()[0].text().split('||')
for i in range(self.dataPlotLayout.count()): # plot name = plot1 or plot2
plotWin = self.dataPlotLayout.itemAt(i).widget()
if plotname == plotWin.getViewBox().name: # get the plot item
break
for j in plotWin.plotItem.curves: # get the curve item
curvename = j.name()
if curvename == itemname:
curveFound = True
break
if curveFound:
plotWin.removeItem(j) # delete the curve from the plot
#plotWin.scene().removeItem(plotWin.plotItem.legend)
for item in plotWin.scene().items(): # remove the legend
if isinstance(item, graphicsItems.LegendItem.LegendItem): #isinstance(plotWin.scene().items()[6], pg.graphicsItems.LegendItem.LegendItem)
if item.items[0][1].text == curvename: # get the legend of the curve
plotWin.scene().removeItem(item)
break
self.listWidget.takeItem( self.listWidget.row(selectedItem[0])) # remove the item from the list
for iPlottedItem in self.lPlottedItems:
if iPlottedItem['Filename'] == filename and iPlottedItem['Curvename'] == curvename:
self.lPlottedItems.remove(iPlottedItem)
break
self.autoRangeAllWins()
except Exception as e:
print(e.__str__())
def mouseMove(self, evt):
#evtsender = self.sender()
try:
pos = evt # get the point of mouse
y_value = {} # to keep the y values of all curves
except Exception as e:
print('exception @ mousemove 1' + e.__str__())
if self.bPlotted:
try:
mousePoint = self.currSelctPlotWgt.plotItem.vb.mapSceneToView(pos) # map the mouse position to the view position
# mpOffset = plotWin.plotItem.vb.mapSceneToView(QPointF(0.0, 0.0)) # offset the mouse point
x = self.minTimestamp
timeIndex = datetime.fromtimestamp(x).strftime('%H:%M:%S:%f')[:12]
if mousePoint.x() < self.minTimestamp - 3600 or mousePoint.x() > self.maxTimestamp + 2 * 3600:
#self.curLabelofYvalue.setPos(self.minTimestamp, mousePoint.y())
self.currSelctPlotWgt.plotItem.removeItem(self.curLabelofYvalue) # remove the item
self.curLabelofYvalue.setParentItem(self.currSelctPlotWgt.getViewBox())
self.currSelctPlotWgt.plotItem.vb.autoRange()
return
if mousePoint.y() < self.minYvalue or mousePoint.y() > self.maxYval:
#self.curLabelofYvalue.setPos(mousePoint.x(), self.minYvalue)
self.currSelctPlotWgt.plotItem.removeItem(self.curLabelofYvalue) # remove the item
self.curLabelofYvalue.setParentItem(self.currSelctPlotWgt.getViewBox())
self.currSelctPlotWgt.plotItem.vb.autoRange()
#self.currSelctPlotWgt.scale(1,1,[{self.minTimestamp,self.minYvalue}])
return
except Exception as e:
pass
try:
#currentPlotArea = self.currSelctPlotWgt
# move the vline in all plot area
for i in range(self.dataPlotLayout.count()): # loop for each plot area
plotWin = self.dataPlotLayout.itemAt(i).widget()
if plotWin.plotItem.sceneBoundingRect().contains(pos): # mouse point in the plot aera
#print('Plot name: %s' % plotWin.getViewBox().name)
#print('view pos x: %0.1f + y: %0.1f' % (mousePoint.x(), mousePoint.y()))
# map the mouse position to the view position
mousePoint = plotWin.plotItem.vb.mapSceneToView(pos)
x = mousePoint.x()
# convert x coord from timestamp to time string
timeIndex = datetime.fromtimestamp(x).strftime('%H:%M:%S:%f')[:12]
#print('time: %s' % timeIndex)
for iLine in plotWin.items(): # loop for the vline
if hasattr(iLine, 'name'):
if iLine.name() == 'vline':
iLine.setPos(mousePoint.x())
break
#if plotWin.underMouse(): # check if the mouse is on the widget, True: current plot the mouse is in
#currentPlotArea = plotWin
# move both hline in current plot area
for iLine in self.currSelctPlotWgt.items(): # loop for the vline and hline
mousePoint = self.currSelctPlotWgt.plotItem.vb.mapSceneToView(pos)
if hasattr(iLine, 'name'):
if iLine.name() == 'hline':
iLine.setPos(mousePoint.y())
break
except Exception as e:
print('exception @ mousemove 2' + e.__str__())
# get the y value of all plotted curves
try:
if self.lPlottedItems.__len__() > 0:
curr_Y = [round(mousePoint.y(),2)]
for iCurve in self.lPlottedItems:
plotname = iCurve['Plot']
filename = iCurve["Filename"]
curvename = iCurve["Curvename"].split('>>')[0]
for dataset in self.lTestDATA:
dfData = dataset.data
startTime = datetime.strptime('2018 ' + dfData['TIME'].iloc[0],
'%Y %H:%M:%S:%f').timestamp()
endTime = datetime.strptime('2018 ' + dfData['TIME'].iloc[-1],
'%Y %H:%M:%S:%f').timestamp()
rate = dataset.rate
if x > startTime and x < endTime:
row = round((x - startTime) * rate) # the the row number
#print('row number: %d' % row)
y = dfData[curvename].iloc[row] # dfData[curvename].iloc()[row]
#print('y: %f' % y)
y_value[curvename] = y # keep the curve value in y to the list
if self.currSelctPlotWgt.getViewBox().name == plotname: # the data set of current plot area
curr_Y.append(round(y,2))
except Exception as e:
print('exception @ mousemove 3' + e.__str__())
# display the y value of all curves
try:
self.labelTime.setText("<span style='font-size: 11pt'>Time=%s" % (timeIndex))
if y_value:
# show the values of all curves shown in plots
self.labelValueY.setText("<span style='font-size: 11pt; color: red'>" + str(
["%s=%0.1f" % (k, v) for k, v in y_value.items()]))
except Exception as e:
print('exception @ mousemove 4' + e.__str__())
# show the label in current plot area
try:
if curr_Y.__len__() > 0:
# labelY_value = pg.TextItem("v")
# currentPlotArea.addItem(labelY_value)
# currentPlotArea.setPos(mousePoint.x(), mousePoint.y())
self.curLabelofYvalue.setText((''.join(str(e) + '\n' for e in curr_Y))[:-1]) # [:-1] to remove the last '\n'
self.curLabelofYvalue.setPos(mousePoint.x(), mousePoint.y())
#print(self.curLabelofYvalue.__str__)
#self.dataPlot.addItem(labelY_value)
except Exception as e:
print('exception @ mousemove 5' + e.__str__())
def openFile(self):
self.winImpData.exec_() # Run the imp data window in modal
self.treeUpdate()
def exitAPP(self):
choice = QMessageBox.question(self, 'Exit', "Close the application?",
QMessageBox.Yes | QMessageBox.No)
if choice == QMessageBox.Yes:
sys.exit()
else:
pass
def treeUpdate(self):
QTreeWidget.clear(self.treeWidget)
for tdataset in self.lTestDATA:
fname = tdataset.fileName #os.path.basename(self.winImpData.sDataFilePath)
rate = tdataset.rate
treeRoot = QTreeWidgetItem(self.treeWidget)
treeRoot.setText(1, fname)
treeRoot.setText(2, str(rate) + 'Hz')
self.treeItem = tdataset.header # list(self.winImpData.dfData)
self.numTree = tdataset.column #self.treeItem.__len__()
for i in range(1, len(self.treeItem)):
child = QTreeWidgetItem(treeRoot)
child.setText(0, str(i))
child.setText(1, self.treeItem[i])
child.setText(2, self.dataparam.getParamInfo(self.treeItem[i],'paramDesc'))
child.setText(3, self.dataparam.getParamInfo(self.treeItem[i],'unit'))
def helpme(self):
QMessageBox.information(self,'Wheel & Brake Test Data Explorer', 'Technical support:\nHON MS&C Shanghai.')
### for PyInataller use to bundle data file into one file
def resource_path(self, relative_path):
""" Get absolute path to resource, works for dev and for PyInstaller """
if hasattr(sys, '_MEIPASS'):
return path.join(sys._MEIPASS, relative_path)
return path.join(path.abspath("."), relative_path)
# base_path = getattr(sys, '_MEIPASS', os.path.dirname(os.path.abspath(__file__)))
# return os.path.join(base_path, relative_path)
class TimeAxisItem(AxisItem): #### class TimeAxisItem is used for overloading x axis as time
def tickStrings(self, values, scale, spacing):
strns = []
#rng = max(values) - min(values) # values are timestamp of date
#946656000 = datetime.strptime('2000', '%Y').timestamp() , handel dates after 2000 only
# if min(values) < 946656000: # Windows can't handle dates before 1970,
# # 1514764800.0 = datetime.datetime.strptime('2018-1-1 8:00:0', '%Y-%m-%d %H:%M:%S').timestamp()
# # 1514766600.0 = datetime.datetime.strptime('2018-1-1 8:30:0', '%Y-%m-%d %H:%M:%S').timestamp()
# #defaultValues = range(1514736000.0, 1514768400.0, 720)
#
# return pg.AxisItem.tickStrings(self, values, scale, spacing)
for x in values:
try:
if x < 946656000: x += 946656000 ## handle time starting from 1/1/2000
strns.append(datetime.fromtimestamp(x).strftime('%H:%M:%S'))
except ValueError: ## Windows can't handle dates before 1970
strns.append('')
return strns
# show hour:minute:second on the x axis
#return [datetime.fromtimestamp(value).strftime('%H:%M:%S') for value in values]
# 946656000 = datetime.strptime('2000', '%Y').timestamp()
def sTimeToDateTime(self, inTime): # convert time from string to datetime object
# inTime: '13:43:02:578' string type
# outTime: 2018-01-01 13:43:02.578000 datetime object
# '2018 ' + startTime, '%Y %H:%M:%S'
#itime = inTime[:8] + "." + inTime[10:12] # convert 13:43:02:578 to 13:43:02.578
# add date (2018-01-01)to the TIME for the sake of format of datetime class. could use real date of the data created
try:
outTime = datetime.strptime('2018 ' + inTime, '%Y %H:%M:%S:%f') # convert the time from string to the datetime format
except Exception as e:
QMessageBox.critical(self, "Error", "TIME format error.\n" + e.__str__())
outTime = datetime.now()
return outTime
class Design(QWidget):
colors = {"cathode": "#FF0000", "anode": "#0000FF", "full": "#000000"}
symbols = {"cathode": "o", "anode": "s", "full": "t"}
def __init__(self, parent):
super(Design, self).__init__()
self.parent = parent
self.core = parent.core
self.parameters = None
self.datas = None
self.renderWindow()
self.initPlotView()
self.setUpProcessUI()
self.bindEvents()
def bindEvents(self):
self.generate.clicked.connect(self.genCurve)
self.save.clicked.connect(self.saveCurve)
self.Sheme.currentIndexChanged.connect(self.selectScheme)
pass
def renderWindow(self):
#边框结构
self.setGeometry(80, 80, 800, 420)
size = self.geometry()
screen = QDesktopWidget().screenGeometry()
posX = (screen.width() - size.width()) / 2
posY = (screen.height() - size.height()) / 2
self.move(posX, posY)
#标题
self.setWindowTitle('Designer')
self.setWindowIcon(QIcon('resource/curve.ico'))
#布局
layout = QGridLayout()
self.graphicsView = QGridLayout()
layout.addLayout(self.graphicsView, 0, 0, 1, 1)
self.Process_Box = QGroupBox()
self.Process_Box.setMinimumSize(240, 440)
self.Process_Box.setFlat(True)
layout.addWidget(self.Process_Box, 0, 1, 1, 1)
self.setLayout(layout)
def setUpProcessUI(self):
layout = QGridLayout()
layout.setContentsMargins(10, 10, 10, 10)
layout.setSpacing(10)
self.Process_Box.setLayout(layout)
layout.addWidget(QLabel(self.translate('Standard Cathode')), 0, 0, 1,
3)
layout.addWidget(QLabel(self.translate('Standard Anode')), 1, 0, 1, 3)
layout.addWidget(QLabel(
self.translate('Capacity Ratio of 0.01C/0.2C')), 2, 0, 1, 3) #()
layout.addWidget(QLabel(self.translate('Capacity of 0.2C')), 3, 0, 1,
3)
layout.addWidget(QLabel(self.translate('1st Cycle Efficiency')), 4, 0,
1, 3)
layout.addWidget(QLabel(self.translate('Cathode Area')), 5, 0, 1, 3)
layout.addWidget(QLabel(self.translate('Cathode Coating Weight')), 6,
0, 1, 3)
layout.addWidget(QLabel(self.translate('Cathode Loading')), 7, 0, 1, 3)
layout.addWidget(QLabel(self.translate('Anode Coating Weight')), 8, 0,
1, 3)
layout.addWidget(QLabel(self.translate("Anode Loading")), 9, 0, 1, 3)
layout.addWidget(QLabel(self.translate("Sheme")), 10, 0, 1, 3)
layout.addWidget(QLabel(self.translate("Discharge Start Voltage")), 11,
0, 1, 3)
layout.addWidget(QLabel(self.translate("Discharge End Voltage")), 12,
0, 1, 3)
self.Cathodes = QComboBox()
self.Anodes = QComboBox()
keys = list(self.core.datas.keys())
keys.sort(key=lambda x: self.core.order.index(x))
for k in keys:
for tag in self.core.pos_tag:
if isStartWith(k, tag):
self.Cathodes.addItem(k)
break
for tag in self.core.neg_tag:
if isStartWith(k, tag):
self.Anodes.addItem(k)
break
self.Sheme = QComboBox()
self.Sheme.addItems([
self.translate("Discharge Start Voltage"),
self.translate("Discharge End Voltage")
])
self.Ratio = SpinBox(lower=0, upper=10, dec=4)
self.Capacity = SpinBox(lower=0, upper=10000, val=0, dec=4)
self.Efficiency = SpinBox(lower=0, upper=1, val=0.98, dec=4)
self.CathodeArea = SpinBox(lower=0, upper=1E9, dec=4)
self.CathodeCW = SpinBox(lower=0, upper=1E9, dec=4)
self.CathodeLoading = SpinBox(lower=0, upper=1, dec=4)
self.AnodeCW = SpinBox(lower=0, upper=1E9, dec=4)
self.AnodeLoading = SpinBox(lower=0, upper=1, dec=4)
self.StartVoltage = SpinBox(lower=0, upper=5, val=4.3, dec=4)
self.EndVoltage = SpinBox(lower=0, upper=5, val=2.7, dec=4)
layout.addWidget(self.Cathodes, 0, 3, 1, 3)
layout.addWidget(self.Anodes, 1, 3, 1, 3)
layout.addWidget(self.Ratio, 2, 3, 1, 3)
layout.addWidget(self.Capacity, 3, 3, 1, 3)
layout.addWidget(self.Efficiency, 4, 3, 1, 3)
layout.addWidget(self.CathodeArea, 5, 3, 1, 3)
layout.addWidget(self.CathodeCW, 6, 3, 1, 3)
layout.addWidget(self.CathodeLoading, 7, 3, 1, 3)
layout.addWidget(self.AnodeCW, 8, 3, 1, 3)
layout.addWidget(self.AnodeLoading, 9, 3, 1, 3)
layout.addWidget(self.Sheme, 10, 3, 1, 3)
layout.addWidget(self.StartVoltage, 11, 3, 1, 3)
layout.addWidget(self.EndVoltage, 12, 3, 1, 3)
self.load = QPushButton(self.translate("Load"))
self.generate = QPushButton(self.translate("Generate"))
self.save = QPushButton(self.translate("Save"))
self.load.setDisabled(True)
scheme = int(self.defaultSetting("Design/Sheme", 0))
self.Sheme.setCurrentIndex(scheme)
self.selectScheme()
layout.addWidget(self.load, 13, 0, 1, 2)
layout.addWidget(self.generate, 13, 2, 1, 2)
layout.addWidget(self.save, 13, 4, 1, 2)
pass
def initPlotView(self):
self.plot = PlotWidget(enableAutoRange=True)
self.plotLegand = self.plot.addLegend()
self.graphicsView.addWidget(self.plot)
self.setGraphViewStyle()
def setGraphViewStyle(self):
bgColor = self.defaultSetting('Graph/BackgroundColor', '#ffffff')
gridAlpha = float(self.defaultSetting('Graph/GridAlpha', 0.25))
axisColor = self.defaultSetting('Graph/AxisColor', '#000000')
axisWidth = float(self.defaultSetting('Graph/AxisWidth', 1.5))
self.plot.setAutoVisible(y=True)
self.plot.setBackground(bgColor)
self.plot.showGrid(x=True, y=True, alpha=gridAlpha)
self.plot.getAxis('bottom').setPen(color=axisColor, width=axisWidth)
self.plot.getAxis('left').setPen(color=axisColor, width=axisWidth)
def drawCurve(self, x, y, text):
self.plot.removeItem(text)
curveType = self.defaultSetting('Curve/type', 'line')
width = int(self.defaultSetting('Curve/width', 3))
size = int(self.defaultSetting('Curve/size', 5))
color = self.colors[text]
symbol = self.symbols[text]
pen = mkPen(color=color, width=width)
text = self.translate(text)
self.plotLegand.removeItem(text)
if curveType == 'scatter':
self.plot.plot(x,
y,
pen=pen,
symbolBrush=color,
symbolPen=color,
symbol=symbol,
symbolSize=size,
name=text)
else:
self.plot.plot(x, y, pen=pen, name=text)
self.plot.show()
def genCurve(self):
posName = self.Cathodes.currentText()
negName = self.Anodes.currentText()
capacity = self.Ratio.value() * self.Capacity.value()
posMass = self.CathodeArea.value() * self.CathodeCW.value(
) * self.CathodeLoading.value() / 1540.25
negMass = self.CathodeArea.value() * self.AnodeCW.value(
) * self.AnodeLoading.value() / 1540.25
efficiency = self.Efficiency.value()
if capacity * posMass * negMass * efficiency == 0 or posName == "" or negName == "":
self.critical("Invalid Parameters!")
return
posLoss = capacity * (1 / efficiency - 1)
#print(posMass,posLoss)
posData = self.core.get_data(posName).modify_x(posMass, 0)
posLoss = posData.x_max - capacity - posLoss
if posLoss < 0:
return self.cathodeLess()
posData = self.core.get_data(posName).modify_x(posMass, posLoss)
#print(posMass,posLoss)
if self.Sheme.currentIndex() == 1:
terminal = posData.posValue(capacity)
#print(terminal)
if terminal == None:
return self.cathodeLess()
delta = terminal - self.EndVoltage.value()
negData = self.core.get_data(negName).modify_x(negMass, 0)
terminal = negData.invert().posValue(delta)
if terminal == None or terminal < capacity:
return self.anodeLess()
negLoss = terminal - capacity
negData = self.core.get_data(negName).modify_x(negMass, negLoss)
else:
terminal = posData.posValue(0)
if terminal == None:
return self.cathodeLess()
delta = terminal - self.StartVoltage.value()
negData = self.core.get_data(negName).modify_x(negMass, 0)
#print(delta)
terminal = negData.invert().posValue(delta)
if terminal == None:
return self.anodeLess()
negLoss = terminal
negData = self.core.get_data(negName).modify_x(negMass, negLoss)
if negData.x_max < capacity:
return self.anodeLess()
fulDataX = np.linspace(0, capacity, 2000)
fulDataY = posData.interpolate(fulDataX).y_data - negData.interpolate(
fulDataX).y_data
self.parameters = [posMass, posLoss, negMass, negLoss]
self.datas = [posData, negData, posData.copy(fulDataX, fulDataY)]
for x in self.plot.items():
if isinstance(x, (ScatterPlotItem, PlotCurveItem, PlotDataItem)):
self.plot.removeItem(x)
self.drawCurve(*posData(), "cathode")
self.drawCurve(*negData(), "anode")
self.drawCurve(fulDataX, fulDataY, "full")
def saveCurve(self):
# (value, ok) = QInputDialog.getText(self, self.translate("Save Data"), self.translate("Please input data name"), QLineEdit.Normal, "")
# if not ok:
# return
# if self.parameters == None or self.datas == None:
# return
# if value == "":
# self.critical("Data name can not be empty string!")
# return
# elif re.match(r'(\:|\\|\/|\*|\?|\"|<|>|\|)',value):
# self.critical("There are invalid characters in the data name!")
# return
# if (value + "_full") in self.core.datas or (value + "_anode") in self.core.datas or (value + "_cathode") in self.core.datas:
# ok = self.warnning("Data with the same name already exists!\nDo you want to override old datas?")
# if not ok:
# return
# self.core.add_data((value + "_cathode"),self.datas[0],override=True)
# self.core.add_data((value + "_anode"),self.datas[1],override=True)
# self.core.add_data((value + "_full"),self.datas[2],override=True)
self.core.max_capacity = self.Ratio.value() * self.Capacity.value()
self.parent.setSetting('Core/MaxCapacity', self.core.max_capacity)
self.core.auto_cal_param(self.parameters[0], 0)
self.core.auto_cal_param(self.parameters[1], 1)
self.core.auto_cal_param(self.parameters[2], 2)
self.core.auto_cal_param(self.parameters[3], 3)
self.core.for_fitting = [
self.Cathodes.currentText(),
self.Anodes.currentText(), ""
]
self.core.triggle('change')
self.core.triggle('fitting')
def anodeLess(self):
self.critical(
"The theoretical maximum anode capacity is less than the design capacity!"
)
def cathodeLess(self):
self.critical(
"The theoretical maximum cathode capacity is less than the design capacity!"
)
def selectScheme(self, idx=0):
if self.Sheme.currentIndex() == 0:
self.EndVoltage.setDisabled(True)
self.StartVoltage.setEnabled(True)
else:
self.StartVoltage.setDisabled(True)
self.EndVoltage.setEnabled(True)
self.setSetting("Design/Sheme", self.Sheme.currentIndex())
def translate(self, text):
if self.parent:
self.langText = self.parent.langText
else:
self.langText = load(open('SCN.translation', encoding='utf-8'))
if text in self.langText:
return self.langText[text]
return text
def defaultSetting(self, key, value):
if self.parent:
return self.parent.defaultSetting(key, value)
return value
def setSetting(self, key, value):
if self.parent:
return self.parent.setSetting(key, value)
def critical(self, text):
QMessageBox.critical(self, self.translate("Critical"),
self.translate(text), QMessageBox.Yes)
def warnning(self, text):
return QMessageBox.warning(self, self.translate("Warning"),
self.translate(text),
QMessageBox.No | QMessageBox.Yes)