DTObs.py 15.3 KB
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#!/usr/bin/env python3

import sys
import csv
import logging
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from configparser import ConfigParser
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import subprocess
import traceback
import time
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import os.path
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import numpy as np

from PyQt5 import QtGui
from PyQt5.QtCore import QRunnable, QObject, pyqtSignal, pyqtSlot, QThreadPool
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from PyQt5.QtWidgets import (QFileDialog, QApplication, QMainWindow, QTableWidgetItem, QWidget)
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from ui.dtobswindow import Ui_mainWindow

from astropy import units as u
from astropy.coordinates import SkyCoord
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from telescope import telescope
from measurements import Measurements
from metadata import MetaData
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from backend import Backend
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from createpointings import CreatePointings
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#from createpointings import CreatePointings

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'''
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Setup config ini
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'''
config = ConfigParser()
config.readfp(open(os.path.join(os.path.dirname(__file__), 'dtobsgui.ini')))
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'''
Setup logging
'''
logger = logging.getLogger('root')
FORMAT = "[%(asctime)s%(filename)s:%(lineno)s - %(funcName)20s() ] %(message)s,filename='dtobsgui.log',filemode='w'"
logging.basicConfig(format=FORMAT)
logger.setLevel(logging.DEBUG)
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class WorkerSignals(QObject):
    """
    Defines the signals available from a running worker thread.

    Supported signals are:

    finished
        `int` of the setpoint number

    error
        `tuple` (exctype, value, traceback.format_exc() )

    result
        `object` data returned from processing, anything

    progress
        `int` inicating % progress
    """

    finished = pyqtSignal(int, str)
    allfinished = pyqtSignal()
    # error = pyqtSignal(tuple)
    # result = pyqtSignal(object)
    progress = pyqtSignal(int, int, str) # meas_num, percent_complete, remaining

class Worker(QRunnable):
    """ Execute a function asynchronously, connect to signals """

    def __init__(self, function_to_run, *args, **kwargs):
        super(Worker, self).__init__()
        # Store arguments
        self.function_to_run = function_to_run
        self.args = args
        self.kwargs = kwargs
        self.signals = WorkerSignals()

        self.kwargs['oneSetpointCompleteSignal'] = self.signals.finished
        self.kwargs['progressSignal'] = self.signals.progress

    @pyqtSlot()
    def run(self):
        """ Initialize the runner function with passed args, kwargs """

        self.function_to_run(*self.args, **self.kwargs)
        self.signals.allfinished.emit()

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class DTObservationProgram(Ui_mainWindow):    
  
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    def __init__(self, mainWindow):
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        logger.info('Initialization of DTObsGUI')
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        self.demo = config.getboolean('TestConfig','demo')
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        logger.debug('Demo status is: {}'.format(self.demo))
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        if not self.demo:
            if True or self.actualconsole:
                self.myDT = telescope(setmode='J2000', consoleHost='console')
            else:
                self.myDT = telescope(setmode='J2000', consoleHost='consoledemo.dmz.camras.nl')
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            self.telescopeMode = 'J2000'
            self.telescopeOffset = None
        else:
            self.telescopeMode = None
            self.telescopeOffset = None
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        self.myMeas = Measurements()
        self.myMetaData = MetaData()
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        self.myBackend = Backend(setmode='Pulsar')
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        self.radec = None
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        self.measProgramma = None
        self.integrationTime = None
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        self.inputFile = None
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        self.outputDir = None
        self.outputFile = None
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        self.GUIbackendMode = None
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        Ui_mainWindow.__init__(self)
        self.setupUi(mainWindow)
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        self.homedir = os.environ['HOME']
        self.lineEditOutputDir.setText(self.homedir)
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        self.formCreatePointings = QWidget()
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        '''
        Define slot and connections for GUI
        '''
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        self.actionNew.triggered.connect(self.newPointingsDialog)
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        self.actionOpen.triggered.connect(self.openFileNameDialog)
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        self.actionSave_As.triggered.connect(self.saveFileNameDialog)
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        self.actionClose.triggered.connect(self.closeMeasurement)
        self.actionQuit.triggered.connect(self.quitDTObs)
        self.pushButtonStartMeasurement.clicked.connect(self.startMeasurement)
        self.pushButtonStopMeasurement.clicked.connect(self.stopMeasurement)
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        self.pushButtonOutputDirectory.clicked.connect(self.selectOutputDirectory)
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        self.tableWidgetPointings.itemDoubleClicked.connect(self.viewResultMeasurement)
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        '''
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        Read the available tools from measurement Class and store them in the 
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        comboBoxProgramma for selection.
        '''
        indexNR=0
        for tool in self.myMeas.getTools():
            self.comboBoxProgramma.setItemText(indexNR, tool)
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            indexNR+=1
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        self.threadpool = QThreadPool()
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    def newPointingsDialog(self):
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        self.myForm = CreatePointings(self.formCreatePointings)
        self.formCreatePointings.show()
        
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    def openFileNameDialog(self):
        '''
        Clear tableWidget and read pointings from file
        '''
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        self.inputFile,_ = QFileDialog.getOpenFileName(None, 'Open File', "templates","Pointing Files (*.pnt);;All Files (*)")
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        if self.inputFile:
            self.loadPointingsInTable(self.inputFile)
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        logger.info('Selected data file is: {}'.format(self.inputFile))
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    def saveFileNameDialog(self):
        '''
        Clear tableWidget and read pointings from file
        '''
        saveFile,_ = QFileDialog.getSaveFileName(None, '|Save File', "templates","Pointing Files (*.pnt);;All Files (*)")
        saveFile = open(saveFile,'w')
        for meas in range(0,self.tableWidgetPointings.rowCount()):
            ra  = self.tableWidgetPointings.item(meas, 0).text()
            dec = self.tableWidgetPointings.item(meas, 1).text()
            pointing = SkyCoord(ra, dec, frame='icrs')
            saveFile.write('{}\t{}\t{}\n'.format(meas, pointing.ra.deg, pointing.dec.deg))
            logger.debug('{}\t{}\t{}\n'.format(meas, ra, dec))                 
            saveFile.flush()   
            
        logger.info('Save file as is: {}'.format(saveFile))
    
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    def loadPointingsInTable(self,fileName):
        reader = csv.reader(open(self.inputFile),delimiter='\t')
        rowPosition = self.tableWidgetPointings.rowCount()    
        for meas, ra, dec in reader:
            self.radec = SkyCoord(float(ra)*u.degree, float(dec)*u.degree, frame='icrs')
            (raStr, decStr)  = self.radec.to_string('hmsdms').split()
              
            self.tableWidgetPointings.insertRow(rowPosition)
            self.tableWidgetPointings.setItem(rowPosition, 0, QTableWidgetItem(raStr))
            self.tableWidgetPointings.setItem(rowPosition, 1, QTableWidgetItem(decStr))
            self.tableWidgetPointings.setItem(rowPosition, 2, QTableWidgetItem(""))
            self.tableWidgetPointings.setItem(rowPosition, 3, QTableWidgetItem(""))

            rowPosition += 1
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        self.tableWidgetPointings.resizeColumnsToContents()
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        logger.info('Imported {} pointings'.format(rowPosition))
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    def selectOutputDirectory(self):
        '''
        Select the output directory to store the measurements
        '''
        dialog = QFileDialog()
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        folder_path = dialog.getExistingDirectory(None, "Select Folder",self.homedir)
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        self.lineEditOutputDir.setText(folder_path)
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    def closeMeasurement(self):
        for rowPosition in range(self.tableWidgetPointings.rowCount(),-1,-1):
            self.tableWidgetPointings.removeRow(rowPosition)

    def quitDTObs(self):
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        logger.shutdown()
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        sys.exit(app.exec_())

    def allCompleted(self):
        """ Callback function when all pointings completed """
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        logger.info("All pointings completed")
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    def measCompleted(self, meas_num, status):
        """ Make the meas_num-th row of the table green """
        colors = {'Completed': QtGui.QColor('green'),
                  'Slewing'  : QtGui.QColor('yellow'),
                  'Measuring': QtGui.QColor('cyan')}
        self.tableWidgetPointings.item(meas_num, 2).setText(status)
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        self.tableWidgetPointings.setItem(meas_num, 3, QTableWidgetItem(self.outputFile))
        
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        '''
        TODO
        '''
        #self.tableWidgetPointings.item(meas_num, 3).setText(measFile.name))

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        for column in range(4):
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            self.tableWidgetPointings.item(meas_num,column).setBackground(colors[status])
        self.tableWidgetPointings.resizeColumnsToContents()

    def goToSetpoints(self, setpoints, oneSetpointCompleteSignal=None, progressSignal=None):
        """ Send a list of setpoints to the telescope """
        for setpoint_nr, setpoint in enumerate(setpoints):
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            if self.demo == False:
                self.myDT.setRaDec(setpoint)
                oneSetpointCompleteSignal.emit(setpoint_nr, 'Slewing')
                time.sleep(3)
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                dist = np.sqrt(self.myDT.dist_el**2+self.myDT.dist_az**2)
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                firstDist = dist
                while not dist < 0.01*u.deg:
                    percentSlew = max(100 - dist/firstDist*100, 0)
                    progressSignal.emit(setpoint_nr, percentSlew, "{:.3f}°".format(dist.value))
                    #print("{:.3f}".format(dist))
                    #print("{:2.0f}".format(percentSlew.value))
                    self.myDT.getDistance(waitForUpdate=True)
                    dist = np.sqrt(self.myDT.dist_el**2+self.myDT.dist_az**2)
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            oneSetpointCompleteSignal.emit(setpoint_nr, 'Measuring')
            self.doMeasurement(setpoint_nr, progressSignal=progressSignal)
            oneSetpointCompleteSignal.emit(setpoint_nr, 'Completed')

    def updateProgress(self, meas_num, progress_percent, remaining_str):
        """
        Update the table with some progress indicator

        meas_num: the row which needs to be updated
        progress_percent: integer giving the percentage complete
        remaining_str: string indicating how much remaining, e.g. "1:30" or "3°"
        """
        #self.tableWidgetPointings.item(meas_num, 2).setText(remaining_str)
        self.tableWidgetPointings.item(meas_num, 2).setText(str(progress_percent)+"%")

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    def setMetaData(self):
        '''
        Define metadata
        '''   
        self.myMetaData.description = self.textEditDescription.toPlainText()
        self.myMetaData.startTime = time.strftime("%Y%m%d-%H%M%S")
        self.myMetaData.operator1 = self.lineEditOperator1.text()
        self.myMetaData.operator2 = self.lineEditOperator2.text()
        self.myMetaData.operator3 = self.lineEditOperator3.text()
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        self.myMetaData.tool = self.measProgramme 
        self.myMetaData.integrationTime = self.integrationTime        
        self.myMetaData.outputDirectory = self.outputDir
        self.myMetaData.outputFile = self.outputFile
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        self.myMetaData.radecSetpoint = self.radec
        self.myMetaData.radecActual = self.radec
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        self.myMetaData.telescopeMode = self.telescopeMode
        self.myMetaData.telescopeOffset = self.telescopeOffset
        
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        '''
        TODO: read radec Actual from telescope class
        '''
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        self.myMetaData.refractionEnabled = self.checkBoxRefraction.isChecked()
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        logger.debug('checkBoxRefraction Setting is {}:'.format(self.checkBoxRefraction.isChecked()))
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        self.myMetaData.DTModelEnabled = self.checkBoxDTModel.isChecked()
        self.myMetaData.mode = self.GUIbackendMode
        self.myMetaData.LSREnabled = self.radioButtonLSR.isChecked()
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    def writeMetaData(self,file):
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        myMetaData = self.myMetaData.getMetaData()
        for data in myMetaData:
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            logger.info('#{:20}: {:40}'.format(data[0],str(data[1])))
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            file.write('#{:20}: {:40}\n'.format(data[0],str(data[1])))      
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    def doMeasurement(self, measnum, progressSignal=None):
        """ 
        Dumping data into file including meta-data
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        measProgramme: cli command read from comboBoxProgramma
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        integrationTime: string read from spinBoxIntTime
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        measurement: result of measurement of which 
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        data: is the stdout result which need to be stored line by line
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        measFile: result file storing the stdout results including meta data
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        """
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        self.integrationTime = self.spinBoxIntTime.value()
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        self.centralFrequency = self.spinBoxCentralFrequency.value()
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        self.measProgramme = self.comboBoxProgramma.currentText()
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        self.outputDir = self.lineEditOutputDir.text() + '/'
        self.outputFile = 'DT-' + '{:03d}'.format(measnum) + '-' + time.strftime("%Y%m%d") + '.dat'
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        measFile = open(self.outputDir + self.outputFile,'w')
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        self.setMetaData()
        self.writeMetaData(measFile)
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        logger.info("Output to file: {}".format(measFile))
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        self.myMeas.startMeasurement(self.measProgramme, self.centralFrequency, self.integrationTime, measFile)
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        for sec in range(self.integrationTime):
            remainstring =  str(int((self.integrationTime-sec)/60)) + ":"
            remainstring += "{:02}".format((self.integrationTime-sec)%60)
            progressSignal.emit(measnum, int(float(sec)/self.integrationTime*100), remainstring)
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            time.sleep(1)
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        measFile.close()      
    
    def readGUIBackendMode(self):
        '''
        Read the selected Backend mode from the GUI backend checkbox group
        '''
        if self.checkBoxPulsar.isChecked():
            self.GUIbackendMode = 'Pulsar'
        if self.checkBoxHI.isChecked():
            self.GUIbackendMode = 'Hydrogen'
        if self.checkBoxSDR.isChecked():
            self.GUIbackendMode = 'SDR'
        if self.checkBoxRaw.isChecked():
            self.GUIbackendMode = 'Raw'
                    
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    def startMeasurement(self):
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        '''
        Put backend in proper mode
        '''
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        logger.info('Start Measurement')
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        self.readGUIBackendMode()
        self.myBackend.setMode(self.GUIbackendMode)       
        
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        setpoints = []
        for meas in range(0,self.tableWidgetPointings.rowCount()):
            ra  = self.tableWidgetPointings.item(meas, 0).text()
            dec = self.tableWidgetPointings.item(meas, 1).text()

            self.tableWidgetPointings.item(meas, 2).setText("Scheduled")
            self.tableWidgetPointings.resizeColumnsToContents()
            setpoint = SkyCoord(ra, dec, frame='icrs')
            setpoints.append(setpoint)

        worker = Worker(self.goToSetpoints, setpoints)
        worker.signals.finished.connect(self.measCompleted)
        worker.signals.allfinished.connect(self.allCompleted)
        worker.signals.progress.connect(self.updateProgress)
        self.threadpool.start(worker)

    def stopMeasurement(self):
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        worker.signals.allfinished.connect(self.allCompleted)
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        logger.info("Measurement stopped")
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    def viewResultMeasurement(self):
        currentRow = self.tableWidgetPointings.currentRow()
        resultFile = self.tableWidgetPointings.item(currentRow,3).text()
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        logger.debug('Selected row is: {}'.format(currentRow))
        logger.info('Show result in gnuplot for file: {}'.format(resultFile))
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        '''
        TODO:
        Create a plot file:
        marc@gamma2:~> cat temp.plg 
        set title datafile
        set grid
        plot datafile w l
        pause -1

        and call gnuplot as:
        gnuplot -e "datafile='DT-002-20171029.dat'" temp.plg
        '''
               
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if __name__ == '__main__':
    app = QApplication(sys.argv)
    mainWindow = QMainWindow()
    prog = DTObservationProgram(mainWindow)
    mainWindow.show()
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    sys.exit(app.exec_())