def getTimeSpan(self, dataArrayT):
datecol = getCol('Date')
timecol = getCol('Time')
datetimeTup = zip(dataArrayT[datecol], dataArrayT[timecol])
startStr = datetimeTup[0][0] + ' ' + datetimeTup[0][1]
endStr = datetimeTup[-1][0] + ' ' + datetimeTup[-1][1]
durationObj = date_helpers.dateObjFloat(endStr) - date_helpers.dateObjFloat(startStr)
return durationObj.total_seconds()
def firstPlot(self, yvarIns):
list_of_times = []
theAxes = yvarIns.axis
theYvar = yvarIns.varName
ydata = copy.deepcopy(DATA_DICT.get(theYvar))
time_array = copy.deepcopy(DATA_DICT.get(self.xvar))
date_array = copy.deepcopy(DATA_DICT.get("Date"))
for index in range(len(time_array)):
full_time = date_array[index] + " " + time_array[index]
formatted_time = date_helpers.dateObjFloat(full_time)
list_of_times += [formatted_time]
timeToPlot = matplotlib.dates.date2num(list_of_times)
# If reader is still reading, DATA_DICT is changing,
# and it is possible for timeToPlot to be a different
# length than ydata. In that case, we can wait for
# DATA_DICT to update and try again.
try:
theAxes.plot_date(timeToPlot, ydata, markerfacecolor=yvarIns.color, label = theYvar,
markeredgecolor=yvarIns.color)
self.timeFrame()
except ValueError:
time.sleep(0.5)
firstPlot(self, yvarIns)
def firstPlot(self, yvarIns):
list_of_times = []
theAxes = yvarIns.axis
theYvar = yvarIns.varName
ydata = copy.deepcopy(DATA_DICT.get(theYvar))
time_array = copy.deepcopy(DATA_DICT.get(self.xvar))
date_array = copy.deepcopy(DATA_DICT.get("Date"))
for index in range(len(time_array)):
full_time = date_array[index] + " " + time_array[index]
formatted_time = date_helpers.dateObjFloat(full_time)
list_of_times += [formatted_time]
timeToPlot = matplotlib.dates.date2num(list_of_times)
# If reader is still reading, DATA_DICT is changing,
# and it is possible for timeToPlot to be a different
# length than ydata. In that case, we can wait for
# DATA_DICT to update and try again.
try:
theAxes.plot_date(timeToPlot,
ydata,
markerfacecolor=yvarIns.color,
label=theYvar,
markeredgecolor=yvarIns.color)
self.timeFrame()
except ValueError:
time.sleep(0.5)
firstPlot(self, yvarIns)
def updatePlot(self, row):
# turn date/time strings into time objects
time_value = date_helpers.dateObjFloat(row[self.colNums[0]] + " " + row[self.colNums[1]])
# plot new point for all y-vars no matter which of the two axis
for axis in (self.yvarsL, self.yvarsR):
for graphPlots in axis:
graphPlots.axis.plot_date(time_value,row[graphPlots.columnNumber],
markerfacecolor=graphPlots.color,
markeredgecolor=graphPlots.color)
def updatePlot(self, row):
# turn date/time strings into time objects
time_value = date_helpers.dateObjFloat(row[self.colNums[0]] + " " +
row[self.colNums[1]])
# plot new point for all y-vars no matter which of the two axis
for axis in (self.yvarsL, self.yvarsR):
for graphPlots in axis:
graphPlots.axis.plot_date(time_value,
row[graphPlots.columnNumber],
markerfacecolor=graphPlots.color,
markeredgecolor=graphPlots.color)
