def __init__(self):
QMainWindow.__init__(self)
low = QtCharts.QBarSet("Min")
high = QtCharts.QBarSet("Max")
low.append([
-52, -50, -45.3, -37.0, -25.6, -8.0, -6.0, -11.8, -19.7, -32.8,
-43.0, -48.0
])
high.append([
11.9, 12.8, 18.5, 26.5, 32.0, 34.8, 38.2, 34.8, 29.8, 20.4, 15.1,
11.8
])
series = QtCharts.QStackedBarSeries()
series.append(low)
series.append(high)
chart = QtCharts.QChart()
chart.addSeries(series)
chart.setTitle("Temperature records in celcius")
chart.setAnimationOptions(QtCharts.QChart.SeriesAnimations)
categories = [
"Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep",
"Oct", "Nov", "Dec"
]
axisX = QtCharts.QBarCategoryAxis()
axisX.append(categories)
axisX.setTitleText("Month")
chart.addAxis(axisX, Qt.AlignBottom)
axisY = QtCharts.QValueAxis()
axisY.setRange(-52, 52)
axisY.setTitleText("Temperature [°C]")
chart.addAxis(axisY, Qt.AlignLeft)
series.attachAxis(axisX)
series.attachAxis(axisY)
chart.legend().setVisible(True)
chart.legend().setAlignment(Qt.AlignBottom)
chart_view = QtCharts.QChartView(chart)
chart_view.setRenderHint(QPainter.Antialiasing)
self.setCentralWidget(chart_view)
def createBarChart(self):
chart = QtCharts.QChart()
chart.setTitle("Bar chart")
series = QtCharts.QStackedBarSeries(chart)
for i in range(len(self.data_table)):
barset = QtCharts.QBarSet("Bar set {}".format(i))
for data in self.data_table[i]:
barset.append(data[0].y())
series.append(barset)
chart.addSeries(series)
chart.createDefaultAxes()
chart.axisY().setRange(0, self.value_max * 2)
# Add space to label to add space between labels and axis
chart.axisY().setLabelFormat("%.1f ")
return chart