Move t_line setting to method, fixes 0°C bug

The 0 °C fix is an ugly one, ideally we should only update the label
when visibility returns.
zotino-tec
atse 2023-11-06 11:08:39 +08:00
parent 0e02803b98
commit 355cb8360a
1 changed files with 15 additions and 4 deletions

View File

@ -156,8 +156,8 @@ class ChannelGraphs:
self._i_plot = LiveLinePlot(name='Measured')
self._iset_plot = LiveLinePlot(name='Set', pen=pg.mkPen('r'))
self.t_line = self._t_widget.getPlotItem().addLine(label='{value} °C')
self.t_line.setVisible(False)
self._t_line = self._t_widget.getPlotItem().addLine(label='{value} °C')
self._t_line.setVisible(False)
for graph in t_widget, i_widget:
time_axis = LiveAxis('bottom', text="Time since Thermostat reset", **{Axis.TICK_FORMAT: Axis.DURATION})
@ -203,6 +203,17 @@ class ChannelGraphs:
for connector in self.t_connector, self.i_connector, self.iset_connector:
connector.clear()
def set_t_line(self, temp=None, visible=None):
if visible is not None:
self._t_line.setVisible(visible)
if temp is not None:
self._t_line.setValue(temp)
if visible is False:
# PyQtGraph does not update this text when the line
# is not visible, but we need it so that the temperature
# label doesn't display 0 °C despite not being at 0 °C.
self._t_line.label.setText(f"{temp} °C")
class MainWindow(QtWidgets.QMainWindow, Ui_MainWindow):
@ -809,7 +820,7 @@ class MainWindow(QtWidgets.QMainWindow, Ui_MainWindow):
self.params[channel].child("PID Config", "Max Current Output").setValue(settings["parameters"]["output_max"] * 1000)
self.params[channel].child("PID Config", "Min Current Output").setValue(settings["parameters"]["output_min"] * 1000)
self.params[channel].child("Output Config", "Control Method", "Set Temperature").setValue(settings["target"])
self.channel_graphs[channel].t_line.setValue(round(settings["target"], 6))
self.channel_graphs[channel].set_t_line(temp=round(settings["target"], 6))
@pyqtSlot(list)
def update_report(self, report_data):
@ -818,7 +829,7 @@ class MainWindow(QtWidgets.QMainWindow, Ui_MainWindow):
self.channel_graphs[channel].plot_append(settings)
with QSignalBlocker(self.params[channel]):
self.params[channel].child("Output Config", "Control Method").setValue("Temperature PID" if settings["pid_engaged"] else "Constant Current")
self.channel_graphs[channel].t_line.setVisible(settings["pid_engaged"])
self.channel_graphs[channel].set_t_line(visible=settings['pid_engaged'])
self.params[channel].child("Output Config", "Control Method", "Set Current").setValue(settings["i_set"] * 1000)
if settings['temperature'] is not None and settings['tec_i'] is not None:
self.params[channel].child("Temperature").setValue(settings['temperature'])