nqrduck/nqrduck-measurement
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Added fft view.

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This commit is contained in:
jupfi 2023-07-18 10:08:05 +02:00
parent d094d7eae9
commit ec9f40dad4
5 changed files with 154 additions and 26 deletions
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14
src/nqrduck_measurement/controller.py
View file

@ -1,4 +1,5 @@
import logging
from PyQt6.QtCore import pyqtSlot
from nqrduck.module.module_controller import ModuleController
from nqrduck_spectrometer.measurement import Measurement
@ -8,6 +9,16 @@ class MeasurementController(ModuleController):
def __init__(self, module):
super().__init__(module)
@pyqtSlot()
def change_view_mode(self):
logger.debug("Changing view mode.")
if self.module.model.view_mode == self.module.model.FFT_VIEW:
self.module.model.view_mode = self.module.model.TIME_VIEW
else:
self.module.model.view_mode = self.module.model.FFT_VIEW
logger.debug("View mode changed to: " + self.module.model.view_mode)
def start_measurement(self):
logger.debug("Start measurement clicked")
self.module.view.measurement_dialog.show()
@ -18,5 +29,6 @@ class MeasurementController(ModuleController):
if key == "measurement_data" and self.module.view.measurement_dialog.isVisible():
logger.debug("Received single measurement.")
self.module.model.single_measurement = value
self.module.model.displayed_measurement = value
self.module.model.add_measurement(value)
self.module.view.measurement_dialog.hide()

52
src/nqrduck_measurement/model.py
View file

@ -7,17 +7,53 @@ logger = logging.getLogger(__name__)
class MeasurementModel(ModuleModel):
single_measurement_changed = pyqtSignal(Measurement)
# This constants are used to determine which view is currently displayed.
FFT_VIEW = "fft"
TIME_VIEW = "time"
displayed_measurement_changed = pyqtSignal(Measurement)
measurements_changed = pyqtSignal(list)
view_mode_changed = pyqtSignal(str)
def __init__(self, module) -> None:
super().__init__(module)
self.view_mode = self.TIME_VIEW
self.measurements = []
@property
def single_measurement(self):
"""Single measurement data."""
return self._single_measurement
def view_mode(self):
"""View mode of the measurement view.
Can be either "time" or "fft"."""
return self._view_mode
@single_measurement.setter
def single_measurement(self, value : Measurement):
self._single_measurement = value
self.single_measurement_changed.emit(value)
@view_mode.setter
def view_mode(self, value : str):
self._view_mode = value
self.view_mode_changed.emit(value)
@property
def measurements(self):
"""List of measurements."""
return self._measurements
@measurements.setter
def measurements(self, value : list[Measurement]):
self._measurements = value
self.measurements_changed.emit(value)
def add_measurement(self, measurement : Measurement):
"""Add a measurement to the list of measurements."""
self.measurements.append(measurement)
self.measurements_changed.emit(self.measurements)
@property
def displayed_measurement(self):
"""Displayed measurement data.
This is the data that is displayed in the view.
It can be data in time domain or frequency domain."""
return self._displayed_measurement
@displayed_measurement.setter
def displayed_measurement(self, value : Measurement):
self._displayed_measurement = value
self.displayed_measurement_changed.emit(value)

42
src/nqrduck_measurement/resources/measurement_widget.ui
View file

@ -95,7 +95,7 @@
</layout>
</item>
<item>
<layout class="QVBoxLayout" name="plotterLayout" stretch="0">
<layout class="QVBoxLayout" name="plotterLayout" stretch="0,1">
<item>
<widget class="MplWidget" name="plotter" native="true">
<property name="sizePolicy">
@ -106,6 +106,46 @@
</property>
</widget>
</item>
<item>
<layout class="QHBoxLayout" name="horizontalLayout_3" stretch="0,1,0,0">
<item>
<spacer name="horizontalSpacer">
<property name="orientation">
<enum>Qt::Horizontal</enum>
</property>
<property name="sizeHint" stdset="0">
<size>
<width>40</width>
<height>20</height>
</size>
</property>
</spacer>
</item>
<item>
<widget class="QToolButton" name="fftButton">
<property name="text">
<string>FFT</string>
</property>
</widget>
</item>
<item>
<widget class="QSpinBox" name="selectionBox"/>
</item>
<item>
<spacer name="horizontalSpacer_2">
<property name="orientation">
<enum>Qt::Horizontal</enum>
</property>
<property name="sizeHint" stdset="0">
<size>
<width>40</width>
<height>20</height>
</size>
</property>
</spacer>
</item>
</layout>
</item>
</layout>
</item>
</layout>

56
src/nqrduck_measurement/view.py
View file

@ -14,6 +14,7 @@ class MeasurementView(ModuleView):
def __init__(self, module):
super().__init__(module)
# Set custom matplotlib parameters
mpl.rcParams.update({
"figure.facecolor": (0.0, 0.0, 0.0, 0.00), # transparent
"axes.facecolor": (0.0, 1.0, 0.0, 0.03), # green
@ -45,33 +46,56 @@ class MeasurementView(ModuleView):
self.measurement_dialog = self.MeasurementDialog()
# Connect signals
self.module.model.single_measurement_changed.connect(self.update_single_measurement)
self.module.model.displayed_measurement_changed.connect(self.update_displayed_measurement)
self.module.model.view_mode_changed.connect(self.update_displayed_measurement)
self._ui_form.buttonStart.clicked.connect(self.on_measurement_start_button_clicked)
self._ui_form.fftButton.clicked.connect(self.module.controller.change_view_mode)
def init_plotter(self):
plotter = self._ui_form.plotter
plotter.canvas.ax.clear()
plotter.canvas.ax.set_xlim(0, 100)
plotter.canvas.ax.set_ylim(0, 1)
plotter.canvas.ax.set_xlabel("Time (µs)")
plotter.canvas.ax.set_ylabel("Amplitude (a.u.)")
plotter.canvas.ax.set_title("Measurement data")
plotter.canvas.ax.set_title("Measurement data - Time domain")
plotter.canvas.ax.grid()
def change_to_time_view(self):
plotter = self._ui_form.plotter
plotter.canvas.ax.clear()
plotter.canvas.ax.set_xlabel("Time (µs)")
plotter.canvas.ax.set_ylabel("Amplitude (a.u.)")
plotter.canvas.ax.set_title("Measurement data - Time domain")
plotter.canvas.ax.grid()
def change_to_fft_view(self):
plotter = self._ui_form.plotter
plotter.canvas.ax.clear()
plotter.canvas.ax.set_xlabel("Frequency (MHz)")
plotter.canvas.ax.set_ylabel("Amplitude (a.u.)")
plotter.canvas.ax.set_title("Measurement data - Frequency domain")
plotter.canvas.ax.grid()
plotter.canvas.draw()
@pyqtSlot()
def update_single_measurement(self):
logger.debug("Updating single measurement view.")
# Set the x data
tdx = self.module.model.single_measurement.tdx
tdy = self.module.model.single_measurement.tdy
#correcting a offset in the time domain by subtracting the mean
tdy_mean = tdy[:,0]-np.mean(tdy)
self._ui_form.plotter.canvas.ax.set_xlabel("Time (µs)")
self._ui_form.plotter.canvas.ax.set_ylabel("Amplitude (a.u.)")
self._ui_form.plotter.canvas.ax.set_title("Measurement data")
self._ui_form.plotter.canvas.ax.clear() # Clear the axes for the new plot
self._ui_form.plotter.canvas.ax.plot(tdx, tdy_mean)
self._ui_form.plotter.canvas.ax.grid()
def update_displayed_measurement(self):
logger.debug("Updating displayed measurement view.")
plotter = self._ui_form.plotter
plotter.canvas.ax.clear()
try:
if self.module.model.view_mode == self.module.model.FFT_VIEW:
self.change_to_fft_view()
x = self.module.model.displayed_measurement.fdx
y = self.module.model.displayed_measurement.fdy
else:
self.change_to_time_view()
x = self.module.model.displayed_measurement.tdx
y = self.module.model.displayed_measurement.tdy
self._ui_form.plotter.canvas.ax.plot(x, y)
except AttributeError:
logger.debug("No measurement data to display.")
self._ui_form.plotter.canvas.draw()
@pyqtSlot()

16
src/nqrduck_measurement/widget.py
View file

@ -68,6 +68,21 @@ class Ui_Form(object):
self.plotter.setSizePolicy(sizePolicy)
self.plotter.setObjectName("plotter")
self.plotterLayout.addWidget(self.plotter)
self.horizontalLayout_3 = QtWidgets.QHBoxLayout()
self.horizontalLayout_3.setObjectName("horizontalLayout_3")
spacerItem1 = QtWidgets.QSpacerItem(40, 20, QtWidgets.QSizePolicy.Policy.Expanding, QtWidgets.QSizePolicy.Policy.Minimum)
self.horizontalLayout_3.addItem(spacerItem1)
self.fftButton = QtWidgets.QToolButton(parent=Form)
self.fftButton.setObjectName("fftButton")
self.horizontalLayout_3.addWidget(self.fftButton)
self.selectionBox = QtWidgets.QSpinBox(parent=Form)
self.selectionBox.setObjectName("selectionBox")
self.horizontalLayout_3.addWidget(self.selectionBox)
spacerItem2 = QtWidgets.QSpacerItem(40, 20, QtWidgets.QSizePolicy.Policy.Expanding, QtWidgets.QSizePolicy.Policy.Minimum)
self.horizontalLayout_3.addItem(spacerItem2)
self.horizontalLayout_3.setStretch(1, 1)
self.plotterLayout.addLayout(self.horizontalLayout_3)
self.plotterLayout.setStretch(1, 1)
self.horizontalLayout_2.addLayout(self.plotterLayout)
self.horizontalLayout_2.setStretch(1, 1)
self.horizontalLayout.addLayout(self.horizontalLayout_2)
@ -83,4 +98,5 @@ class Ui_Form(object):
self.label.setText(_translate("Form", "Target Frequency"))
self.label_2.setText(_translate("Form", "Averages"))
self.buttonStart.setText(_translate("Form", "Start Measurement"))
self.fftButton.setText(_translate("Form", "FFT"))
from nqrduck.contrib.mplwidget import MplWidget