WIP: Qudi spectrometer

config/example/default.cfg

@@ -83,6 +83,9 @@ hardware:
 
     cameradummy:
         module.Class: 'camera.camera_dummy.CameraDummy'
+
+    spectroscopy_camera_dummy:
+        module.Class: 'spectroscopy_camera_dummy.Main'
 logic:
     simpledatalogic:
         module.Class: 'simple_data_logic.SimpleDataLogic'

gui/PLspectrum/PL_spectrum_gui.py

@@ -0,0 +1,227 @@
+# -*- coding: utf-8 -*-
+"""
+This module contains a GUI for operating the spectrum logic module.
+
+Qudi is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+Qudi is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with Qudi. If not, see <http://www.gnu.org/licenses/>.
+
+Copyright (c) the Qudi Developers. See the COPYRIGHT.txt file at the
+top-level directory of this distribution and at <https://github.com/Ulm-IQO/qudi/>
+"""
+
+import os
+import pyqtgraph as pg
+import numpy as np
+
+from core.connector import Connector
+from core.statusvariable import StatusVar
+from core.util import units
+
+from gui.colordefs import QudiPalettePale as palette
+from gui.guibase import GUIBase
+from qtpy import QtCore
+from qtpy import QtWidgets
+from qtpy import uic
+
+
+class MainWindow(QtWidgets.QMainWindow):
+
+    def __init__(self):
+        """ Create the laser scanner window.
+        """
+        # Get the path to the *.ui file
+        this_dir = os.path.dirname(__file__)
+        ui_file = os.path.join(this_dir, 'ui_PLspectrum.ui')
+
+        # Load it
+        super().__init__()
+        uic.loadUi(ui_file, self)
+        self.show()
+
+
+class PLspectrumGUI(GUIBase):
+    """
+    """
+
+    # declare connectors
+    spectrumlogic = Connector(interface='SpectrumLogic')
+
+    def __init__(self, config, **kwargs):
+        super().__init__(config=config, **kwargs)
+
+    def on_activate(self):
+        """ Definition and initialisation of the GUI.
+        """
+
+        # connect the logic module from the declared connector
+        self._spectrum_logic = self.spectrumlogic()
+
+        # setting up the window
+        self._mw = MainWindow()
+        self._mw.centralwidget.hide()
+        self._mw.setDockNestingEnabled(True)
+
+
+        # giving the plots names allows us to link their axes together
+        self._spec = self._mw.spectrumPlot
+        self._img = self._mw.imagePlot
+        self._spec_item = self._spec.plotItem
+        self._img_item = self._img.ImageItem
+
+        # create a new ViewBox, link the right axis to its coordinate system
+        self._right_axis = pg.ViewBox() # Create a ViewBox right axis
+        self._spec_item.showAxis('right') # Show the right axis of plotItem
+        self._spec_item.scene().addItem(self._right_axis) # associate the ViewBox right axis to the plotItem
+        self._spec_item.getAxis('right').linkToView(self._right_axis) # link this right axis to the ViewBox
+        self._right_axis.setXLink(self._spec_item) # link the ViewBox object to the plotItem x axis
+
+        # create a new ViewBox, link the top axis to its coordinate system (same procedure)
+        self._top_axis = pg.ViewBox()
+        self._spec_item.showAxis('top')
+        self._spec_item.scene().addItem(self._top_axis)
+        self._spec_item.getAxis('top').linkToView(self._top_axis)
+        self._top_axis.setYLink(self._spec_item)
+        self._top_axis.invertX(b=True) # We force the x axis to be rightward
+
+        # label plot axis :
+
+        self._spec.setLabel('left', 'Signal intensity', units='counts/s')
+        self._spec.setLabel('right', 'Number of Points', units='#')
+        self._spec.setLabel('bottom', 'Wavelength', units='m')
+        self._spec.setLabel('top', 'Relative Frequency', units='Hz')
+
+        # Create 2 empty plot curve to be filled later, set its pen (curve style)
+        self._curve1 = self._spec.plot()
+        self._curve1.setPen(palette.c1, width=2)
+
+        # Connect signals :
+        # Action (spectro):
+        self._mw.actionRun.triggered.connect(self.run_spectrum_acquisition)
+        self._mw.actionStop_Run.triggered.connect(self.stop_spectrum_acquisition)
+        # Button (image):
+        #self._mw.runImageButton.clicked.connect(self.run_image_acquisition())
+        #self._mw.stopImageButton.clicked.connect(self.stop_image_acquisition())
+
+        self.read_settings()
+
+        self.show()
+
+        self._save_PNG = True
+
+    def read_settings(self):
+"""
+        # Initialize widgets slots :
+        self._mw.gratingNumCombo.setCurrentIndex(self._spectrum_logic.grating)
+        self._mw.inputPortCombo.setCurrentIndex(self._spectrum_logic.input_port)
+        self._mw.outputPortCombo.setCurrentIndex(self._spectrum_logic.output_port)
+        self._mw.readModeCombo.setCurrentIndex(self._spectrum_logic.read_mode)
+        self._mw.acquModeCombo.setCurrentIndex(self._spectrum_logic.acquisition_mode)
+        self._mw.triggerModeCombo.setCurrentIndex(self._spectrum_logic.trigger_mode)
+        self._mw.scanFreqCombo.setCurrentIndex(self._spectrum_logic.
+        self._mw.accumulationDelayDSpin.setCurrentIndex(self._spectrum_logic.
+
+        self._mw.cameraGainSpin.setValue(self._spectrum_logic._camera_gain)
+        self._mw.numAccumulatedSpin.setValue(self._spectrum_logic.
+        self._mw.numTrackSpin.setValue(self._spectrum_logic.
+        self._mw.trackHeightSpin.setValue(self._spectrum_logic.
+        self._mw.trackOffsetSpin.setValue(self._spectrum_logic.
+        self._mw.gratingOffsetSpin.setValue(self._spectrum_logic.
+
+        self._mw.exposureDSpin.setValue(self._spectrum_logic.
+        self._mw.numScanDSpin.setValue(self._spectrum_logic.
+        self._mw.temperatureDSpin.setValue(self._spectrum_logic.
+        self._mw.inputSlitWidthDSpin.setValue(self._spectrum_logic.
+        self._mw.outputSlitWidthDSpin.setValue(self._spectrum_logic.
+        self._mw.wavelengthDSpin.setValue(self._spectrum_logic.
+
+        self._mw.coolerButton
+
+        self._mw.wavelengthDSpin.setRange(self._spectrum_logic.wavelength_limit)
+        """
+
+    def update_settings(self):
+
+        self._spectrum_logic.center_wavelength = self._mw.wavelengthDSpin.value()
+        self._spectrum_logic.detector_offset = self._mw.detectorOffsetSpin.value()
+        self._spectrum_logic.grating = self._mw.gratingNumCombo.currentIndex()
+        self._spectrum_logic.input_slit = self._mw.inputSlitCombo.currentIndex()
+        self._spectrum_logic.input_slit_width = self._mw.inputSlitWidthDSpin.value()
+        self._spectrum_logic.output_slit = self._mw.outputSlitCombo.currentIndex()
+        self._spectrum_logic.output_slit_width = self._mw.outputSlitWidthDSpin.value()
+
+        self._mw.wavelengthDSpin.setRange(self._spectrum_logic.wavelength_limits)
+
+        self._mw.gratingNumCombo.setCurrentIndex(self._spectrum_logic.grating)
+        self._mw.inputPortCombo.setCurrentIndex(self._spectrum_logic.input_port)
+        self._mw.outputPortCombo.setCurrentIndex(self._spectrum_logic.output_port)
+        self._mw.readModeCombo.setCurrentIndex(self._spectrum_logic.read_mode)
+        self._mw.acquModeCombo.setCurrentIndex(self._spectrum_logic.acquisition_mode)
+        self._mw.triggerModeCombo.setCurrentIndex(self._spectrum_logic.trigger_mode)
+        self._mw.scanFreqCombo.setCurrentIndex(self._spectrum_logic.
+        self._mw.accumulationDelayDSpin.setCurrentIndex(self._spectrum_logic.
+
+        self._mw.cameraGainSpin.setValue(self._spectrum_logic._camera_gain)
+        self._mw.numAccumulatedSpin.setValue(self._spectrum_logic.
+        self._mw.numTrackSpin.setValue(self._spectrum_logic.
+        self._mw.trackHeightSpin.setValue(self._spectrum_logic.
+        self._mw.trackOffsetSpin.setValue(self._spectrum_logic.
+        self._mw.gratingOffsetSpin.setValue(self._spectrum_logic.
+
+        self._mw.exposureDSpin.setValue(self._spectrum_logic.
+        self._mw.numScanDSpin.setValue(self._spectrum_logic.
+        self._mw.temperatureDSpin.setValue(self._spectrum_logic.
+        self._mw.inputSlitWidthDSpin.setValue(self._spectrum_logic.
+        self._mw.outputSlitWidthDSpin.setValue(self._spectrum_logic.
+        self._mw.wavelengthDSpin.setValue(self._spectrum_logic.
+
+        self._mw.coolerButton
+
+        self._mw.wavelengthDSpin.setRange(self._spectrum_logic.wavelength_limit)
+
+    def on_deactivate(self):
+        """ Deinitialisation performed during deactivation of the module.
+        """
+
+        self._mw.close()
+
+    def show(self):
+        """Make window visible and put it above all other windows.
+        """
+        QtWidgets.QMainWindow.show(self._mw)
+        self._mw.activateWindow()
+        self._mw.raise_()
+
+    def run_spectrum_acquisition(self):
+        """Run the spectrum acquisition called from actionRun
+        and plot the spectrum data obtained.
+        """
+        self.update_settings()
+        self._spectrum_logic.start_acquisition()
+        data = self._spectrum_logic.spectrum_data
+        wavelength = np.linspace(0, 1, len(data))
+        self._curve1.setData(wavelength, data[:, 0])
+
+    def stop_spectrum_acquisition(self):
+        """Stop the spectrum acquisition called from actionStop_Run
+        """
+        self._spectrum_logic.stop_acquisition()
+
+    def run_image_acquisition(self):
+        """Run the image acquisition called from runImageButton
+        and plot the spectrum data obtained.
+        """
+        self._spectrum_logic.set_read_mode('IMAGE')
+        self._spectrum_logic.start_acquisition()
+        data = self._spectrum_logic._spectrum_data
+        self._img_item.setImage(data)
+