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Timer Plot Demo

This commit is contained in:
jpk 2020-01-22 14:36:47 +01:00
parent ce060cac1a
commit 0cff7d6cca
2 changed files with 28 additions and 18 deletions
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2
.python-version
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@ -1 +1 @@
py3um24c
py3

44
src/um24clab.py
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@ -30,54 +30,65 @@ class UM24Lab(QMainWindow):
# --- Voltage ---
self.voltage = self.ui.plotVoltage
self.voltage_series = QtCharts.QLineSeries()
self.voltage_series = QtCharts.QLineSeries(self)
self.voltage_series.setName('Voltage over time')
self.voltage_series.setUseOpenGL(True)
self.voltage.addSeries(self.voltage_series)
axis_x = QtCharts.QValueAxis()
axis_x.setTickCount(60)
axis_x.setRange(0, 0)
# axis_x.setTickCount(1)
axis_x.setTickInterval(0.001)
axis_x.setTitleText('Seconds')
self.voltage.addAxis(axis_x, Qt.AlignBottom)
self.voltage_series.attachAxis(axis_x)
axis_y = QtCharts.QValueAxis()
axis_y.setTickCount(10)
# axis_y.setTickCount(1)
axis_y.setRange(0, 10)
axis_y.setTitleText('Voltage (V)')
self.voltage.addAxis(axis_y, Qt.AlignLeft)
self.voltage_series.attachAxis(axis_y)
# --- Current ---
self.current = self.ui.plotCurrent
self.current_series = QtCharts.QLineSeries()
self.current_series = QtCharts.QLineSeries(self)
self.current_series.setName('Current over time')
self.current_series.setUseOpenGL(True)
self.current.addSeries(self.current_series)
axis_x = QtCharts.QValueAxis()
axis_x.setTickCount(60)
axis_x.setRange(0, 60000)
# axis_x.setTickCount(1)
# axis_x.setTickInterval(1)
axis_x.setTitleText('Seconds')
self.current.addAxis(axis_x, Qt.AlignBottom)
self.current_series.attachAxis(axis_x)
axis_y = QtCharts.QValueAxis()
axis_y.setTickCount(10)
# axis_y.setTickCount(1)
axis_y.setRange(0, 10)
axis_y.setTitleText('Current (A)')
self.current.addAxis(axis_y, Qt.AlignLeft)
self.current_series.attachAxis(axis_y)
self.timer_step = 0
self.voltage_series.append(self.timer_step, 0)
self.current_series.append(self.timer_step, 0)
timer = QTimer()
timer = QTimer(self)
timer.timeout.connect(self.update_graphs)
timer.start(0)
timer.start(10)
def update_graphs(self):
self.voltage_series.append(self.timer_step, random.randint(0, 10))
self.current_series.append(self.timer_step, random.randint(0, 10))
self.ui.progressTempC.setValue(random.randint(0, 100))
self.timer_step += 1
self.update()
for axis in self.voltage_series.attachedAxes():
if axis.orientation() == Qt.Orientation.Horizontal:
axis.setRange(0, self.timer_step)
for axis in self.current_series.attachedAxes():
if axis.orientation() == Qt.Orientation.Horizontal:
# axis.setRange(0, self.timer_step)
pass
if __name__ == '__main__':
@ -86,13 +97,12 @@ if __name__ == '__main__':
labview = UM24Lab()
labview.show()
def idle_processor():
labview.update_graphs()
app.processEvents()
# print(labview.timer_step)
# def idle_processor():
# labview.update_graphs()
# app.processEvents()
# mainTimer = QTimer()
# mainTimer.timeout.connect(idle_processor)
# mainTimer.start(50)
# mainTimer.start(0)
sys.exit(app.exec_())