Example #1
0
    def test_mms_scan_spw_partition(self):
        '''mstransform: Create MMS and part by scan/spw'''
        self.outputms = '3cscanspw02.mms'
        mstransform(vis=self.vis, outputvis=self.outputms, datacolumn='data', spw='0,2',
                    createmms=True, disableparallel=True, separationaxis='auto')

        # Verify the input versus the output
        msmdt = msmdtool()
        msmdt.open(self.outputms)
        out_dds = msmdt.datadescids()
        msmdt.done()

        ref = [0,1,2]
        for i in out_dds:
            self.assertEqual(out_dds[i], ref[i])

        # Verify that DATA_DESCRIPTION table is properly re-indexed.
        spw_col = th.getVarCol(self.outputms+'/DATA_DESCRIPTION', 'SPECTRAL_WINDOW_ID')
        self.assertEqual(spw_col.keys().__len__(), 3, 'Wrong number of rows in DD table')
        self.assertEqual(spw_col['r1'][0], 0,'Error re-indexing SPECTRAL_WINDOW_ID of DATA_DESCRIPTION table')
        self.assertEqual(spw_col['r2'][0], 0,'Error re-indexing SPECTRAL_WINDOW_ID of DATA_DESCRIPTION table')
        self.assertEqual(spw_col['r3'][0], 1,'Error re-indexing SPECTRAL_WINDOW_ID of DATA_DESCRIPTION table')
        
        # Check the FEED table
        out_feed_spw = th.getVarCol(self.outputms+'/FEED', 'SPECTRAL_WINDOW_ID')
        self.assertEqual(out_feed_spw['r1'],[0])
        self.assertEqual(out_feed_spw['r26'],[0])
        self.assertEqual(out_feed_spw['r27'],[1])
        self.assertEqual(out_feed_spw['r28'],[1])
        self.assertEqual(out_feed_spw['r51'],[1])
        self.assertEqual(len(out_feed_spw.keys()), 52)
Example #2
0
    def test_mms_spw_selection3(self):
        '''mstransform: Create MMS and select three spws with numsubms=2'''
        self.outputms = '3cspw012.mms'
        mstransform(vis=self.vis, outputvis=self.outputms, datacolumn='data', spw='0,1,2',
                    createmms=True, separationaxis='spw', numsubms=2)

        # Verify the input versus the output
        msmdt = msmdtool()
        msmdt.open(self.outputms)
        out_dds = msmdt.datadescids()
        out_nrow = msmdt.nrows()
        msmdt.done()

        self.assertTrue(out_nrow,5200)
        ref = [0,1,2,3]
        for i in out_dds:
            self.assertEqual(out_dds[i], ref[i])

        # Verify that DATA_DESCRIPTION table is properly re-indexed.
        spw_col = th.getVarCol(self.outputms+'/DATA_DESCRIPTION', 'SPECTRAL_WINDOW_ID')
        self.assertEqual(spw_col.keys().__len__(), 4, 'Wrong number of rows in DD table')
        self.assertEqual(spw_col['r1'][0], 0,'Error re-indexing SPECTRAL_WINDOW_ID of DATA_DESCRIPTION table')
        self.assertEqual(spw_col['r2'][0], 0,'Error re-indexing SPECTRAL_WINDOW_ID of DATA_DESCRIPTION table')
        self.assertEqual(spw_col['r3'][0], 1,'Error re-indexing SPECTRAL_WINDOW_ID of DATA_DESCRIPTION table')
        self.assertEqual(spw_col['r4'][0], 2,'Error re-indexing SPECTRAL_WINDOW_ID of DATA_DESCRIPTION table')
        
        in_feed_tb = th.getVarCol(self.vis+'/FEED', 'SPECTRAL_WINDOW_ID')
        out_feed_tb = th.getVarCol(self.outputms+'/FEED', 'SPECTRAL_WINDOW_ID')
        
        # Check the FEED table
        th.compTables(self.vis+'/FEED', self.outputms+'/FEED', ['FOCUS_LENGTH'])
Example #3
0
    def test_mms_XXYY_selection(self):
        '''mstransform: correlation='RR,LL' should select and re-index properly'''
        self.outputms = '3cRRLL.mms'
        # spw 0 should not be processed. The selection should happen before the MMS work
        mstransform(vis=self.vis, outputvis=self.outputms, datacolumn='data', correlation='RR,LL',
                    createmms=True, separationaxis='auto')
        
        msmdt = msmdtool()
        msmdt.open(self.outputms)
        out_dds = msmdt.datadescids()
        msmdt.done()
        
        ref = [0,1]
        for i in out_dds:
            self.assertEqual(out_dds[i], ref[i])
        
        pol_col = th.getVarCol(self.outputms+'/POLARIZATION','NUM_CORR')
        self.assertEqual(pol_col['r1'][0], 0,'Error in NUM_CORR of POLARIZATION table')
        self.assertEqual(pol_col['r2'][0], 0,'Error in NUM_CORR of POLARIZATION table')
        self.assertEqual(pol_col['r3'][0], 2,'Error in NUM_CORR of POLARIZATION table')
        self.assertEqual(pol_col['r4'][0], 2,'Error in NUM_CORR of POLARIZATION table')

        # Verify that POLARIZATION table is not re-sized.
        corr_col = th.getVarCol(self.outputms+'/POLARIZATION', 'NUM_CORR')
        self.assertEqual(corr_col.keys().__len__(), 4, 'Wrong number of rows in POLARIZATION table')

        # Check the FEED table
#        out_feed_spw = th.getVarCol(self.outputms+'/FEED', 'SPECTRAL_WINDOW_ID')
#        self.assertEqual(len(out_feed_spw.keys()), 52)
        
        # listobs, listpartition should not fail
        listobs(self.outputms, listfile='3c_1.obs')
        self.assertTrue(os.path.exists('3c_1.obs'), 'Probable error in sub-table re-indexing')
        listpartition(self.outputms, listfile='3c_2.obs')
        self.assertTrue(os.path.exists('3c_2.obs'), 'Probable error in sub-table re-indexing')
Example #4
0
    def test8(self):
        """hanningsmooth - Test 8: Flagging should be correct when hanning smoothing within mstransform (with regrid)"""
        self.outputms = "cvelngc.ms"

        # check correct flagging (just for one row as a sample)
        flag_col = th.getVarCol(self.msfile, "FLAG")
        self.assertTrue(flag_col["r1"][0][0] == [False])
        self.assertTrue(flag_col["r1"][0][1] == [False])
        self.assertTrue(flag_col["r1"][0][61] == [False])
        self.assertTrue(flag_col["r1"][0][62] == [False])

        # CAS-4114 cvel doesn't support MMS. Compare with mstransform instead.
        #        cvel(vis=self.msfile, outputvis=self.outputms, hanning=True, outframe='cmb')
        mstransform(
            vis=self.msfile, outputvis=self.outputms, datacolumn="data", hanning=True, regridms=True, outframe="cmb"
        )

        # check correct flagging (just for one row as a sample)
        flag_col = th.getVarCol(self.outputms, "FLAG")
        self.assertTrue(flag_col["r1"][0][0] == [True])
        self.assertTrue(flag_col["r1"][0][1] == [False])
        self.assertTrue(flag_col["r1"][0][2] == [False])
        self.assertTrue(flag_col["r1"][0][60] == [False])
        self.assertTrue(flag_col["r1"][0][61] == [True])
        self.assertTrue(flag_col["r1"][0][62] == [True])
Example #5
0
    def test8(self):
        '''hanningsmooth - Test 8: Flagging should be correct when hanning smoothing within mstransform (with regrid)'''
        self.outputms = 'cvelngc.ms'

        # check correct flagging (just for one row as a sample)
        flag_col = th.getVarCol(self.msfile, 'FLAG')
        self.assertTrue(flag_col['r1'][0][0] == [False])
        self.assertTrue(flag_col['r1'][0][1] == [False])
        self.assertTrue(flag_col['r1'][0][61] == [False])
        self.assertTrue(flag_col['r1'][0][62] == [False])

        # CAS-4114 cvel doesn't support MMS. Compare with mstransform instead.
        #        cvel(vis=self.msfile, outputvis=self.outputms, hanning=True, outframe='cmb')
        mstransform(vis=self.msfile,
                    outputvis=self.outputms,
                    datacolumn='data',
                    hanning=True,
                    regridms=True,
                    outframe='cmb')

        # check correct flagging (just for one row as a sample)
        flag_col = th.getVarCol(self.outputms, 'FLAG')
        self.assertTrue(flag_col['r1'][0][0] == [True])
        self.assertTrue(flag_col['r1'][0][1] == [False])
        self.assertTrue(flag_col['r1'][0][2] == [False])
        self.assertTrue(flag_col['r1'][0][60] == [False])
        self.assertTrue(flag_col['r1'][0][61] == [True])
        self.assertTrue(flag_col['r1'][0][62] == [True])
Example #6
0
    def test_mms_spw_selection(self):
        '''mstransform: Create MMS and select two spws with different polarization shapes'''
        self.outputms = '3cspw12.mms'
        mstransform(vis=self.vis, outputvis=self.outputms, datacolumn='data', spw='1,2',
                    createmms=True, separationaxis='spw')

        # Verify the input versus the output
        myms = mstool()
        myms.open(self.vis)
        myms.msselect({'spw':'1,2'})
        inp_nrow = myms.nrow()
        myms.close()

        myms.open(self.outputms)
        out_nrow = myms.nrow()
        myms.close()
        self.assertEqual(inp_nrow, out_nrow)

        # Verify that DATA_DESCRIPTION table is properly re-indexed.
        spw_col = th.getVarCol(self.outputms+'/DATA_DESCRIPTION', 'SPECTRAL_WINDOW_ID')
        self.assertEqual(spw_col.keys().__len__(), 2, 'Wrong number of rows in DD table')
        self.assertEqual(spw_col['r1'][0], 0,'Error re-indexing SPECTRAL_WINDOW_ID of DATA_DESCRIPTION table')
        self.assertEqual(spw_col['r2'][0], 1,'Error re-indexing SPECTRAL_WINDOW_ID of DATA_DESCRIPTION table')

        pol_col = th.getVarCol(self.outputms+'/DATA_DESCRIPTION', 'POLARIZATION_ID')
        self.assertEqual(pol_col['r1'][0], 2,'Error in POLARIZATION_ID of DATA_DESCRIPTION table')
        self.assertEqual(pol_col['r2'][0], 3,'Error in POLARIZATION_ID of DATA_DESCRIPTION table')

        # Verify that POLARIZATION table is not re-sized.
        corr_col = th.getVarCol(self.outputms+'/POLARIZATION', 'NUM_CORR')
        self.assertEqual(corr_col.keys().__len__(), 4, 'Wrong number of rows in POLARIZATION table')

        # Check the FEED table
        out_feed_spw = th.getVarCol(self.outputms+'/FEED', 'SPECTRAL_WINDOW_ID')
        self.assertEqual(len(out_feed_spw.keys()), 52)
Example #7
0
    def test_corrected_col(self):
        '''hanningsmooth: Apply smoothing in CORRECTED column'''
        self.outputms = 'hanncorr.ms'

        # check correct flagging before (just for one row as a sample)
        flag_col = th.getVarCol(self.msfile, 'FLAG')
        self.assertTrue(flag_col['r1'][0][0] == [False])
        self.assertTrue(flag_col['r1'][0][1] == [False])
        self.assertTrue(flag_col['r1'][0][3838] == [False])
        self.assertTrue(flag_col['r1'][0][3839] == [False])

        # input column
        data_col = th.getVarCol(self.msfile, 'CORRECTED_DATA')

        hanningsmooth(vis=self.msfile,
                      outputvis=self.outputms,
                      datacolumn='corrected')

        # output smoothed column
        corr_col = th.getVarCol(self.outputms, 'DATA')
        nrows = len(corr_col)

        # check correct flagging after (just for one row as a sample)
        flag_col = th.getVarCol(self.outputms, 'FLAG')
        self.assertTrue(flag_col['r1'][0][0] == [True])
        self.assertTrue(flag_col['r1'][0][1] == [False])
        self.assertTrue(flag_col['r1'][0][3838] == [False])
        self.assertTrue(flag_col['r1'][0][3839] == [True])

        # Loop over every 2nd row,pol and get the data for each channel
        max = 1e-04
        for i in range(1, nrows, 2):
            row = 'r%s' % i
            # polarization is 0-1
            for pol in range(0, 2):
                # array's channels is 0-3840
                for chan in range(1, 3839):
                    # channels must start from second and end before the last
                    data = data_col[row][pol][chan]
                    dataB = data_col[row][pol][chan - 1]
                    dataA = data_col[row][pol][chan + 1]

                    Smoothed = th.calculateHanning(dataB, data, dataA)
                    CorData = corr_col[row][pol][chan]

                    # Check the difference
                    self.assertTrue(
                        abs(CorData - Smoothed) < max,
                        'CorData=%s Smoothed=%s in row=%s pol=%s chan=%s' %
                        (CorData, Smoothed, row, pol, chan))
Example #8
0
    def test_corrected_col(self):
        """hanningsmooth: Apply smoothing in CORRECTED column"""
        self.outputms = "hanncorr.ms"

        # check correct flagging before (just for one row as a sample)
        flag_col = th.getVarCol(self.msfile, "FLAG")
        self.assertTrue(flag_col["r1"][0][0] == [False])
        self.assertTrue(flag_col["r1"][0][1] == [False])
        self.assertTrue(flag_col["r1"][0][3838] == [False])
        self.assertTrue(flag_col["r1"][0][3839] == [False])

        # input column
        data_col = th.getVarCol(self.msfile, "CORRECTED_DATA")

        hanningsmooth(vis=self.msfile, outputvis=self.outputms, datacolumn="corrected")

        # output smoothed column
        corr_col = th.getVarCol(self.outputms, "DATA")
        nrows = len(corr_col)

        # check correct flagging after (just for one row as a sample)
        flag_col = th.getVarCol(self.outputms, "FLAG")
        self.assertTrue(flag_col["r1"][0][0] == [True])
        self.assertTrue(flag_col["r1"][0][1] == [False])
        self.assertTrue(flag_col["r1"][0][3838] == [False])
        self.assertTrue(flag_col["r1"][0][3839] == [True])

        # Loop over every 2nd row,pol and get the data for each channel
        max = 1e-04
        for i in range(1, nrows, 2):
            row = "r%s" % i
            # polarization is 0-1
            for pol in range(0, 2):
                # array's channels is 0-3840
                for chan in range(1, 3839):
                    # channels must start from second and end before the last
                    data = data_col[row][pol][chan]
                    dataB = data_col[row][pol][chan - 1]
                    dataA = data_col[row][pol][chan + 1]

                    Smoothed = th.calculateHanning(dataB, data, dataA)
                    CorData = corr_col[row][pol][chan]

                    # Check the difference
                    self.assertTrue(
                        abs(CorData - Smoothed) < max,
                        "CorData=%s Smoothed=%s in row=%s pol=%s chan=%s" % (CorData, Smoothed, row, pol, chan),
                    )
Example #9
0
    def test_freqavg7(self):
        '''mstranform: Average using different bins for several spws, output MMS'''
        # same as test_freqavg4
        self.outputms = "favg7.ms"
        mstransform(vis=self.vis, outputvis=self.outputms, spw='10,12,20', chanaverage=True,
                    chanbin=[128,4,10], createmms=True, separationaxis='scan', disableparallel=True)

        self.assertTrue(os.path.exists(self.outputms))

        # Output should be:
        # spw=0 1 channel
        # spw=1 32 channels
        # spw=3 13 channels
        ret = th.verifyMS(self.outputms, 3, 1, 0, ignoreflags=True)
        self.assertTrue(ret[0],ret[1])
        ret = th.verifyMS(self.outputms, 3, 32, 1, ignoreflags=True)
        self.assertTrue(ret[0],ret[1])
        ret = th.verifyMS(self.outputms, 3, 12, 2, ignoreflags=True)
        self.assertTrue(ret[0],ret[1])

        # Verify that some sub-tables are properly re-indexed.
        spw_col = th.getVarCol(self.outputms+'/DATA_DESCRIPTION', 'SPECTRAL_WINDOW_ID')
        self.assertEqual(spw_col.keys().__len__(), 3, 'Wrong number of rows in DD table')
        self.assertEqual(spw_col['r1'][0], 0,'Error re-indexing DATA_DESCRIPTION table')
        self.assertEqual(spw_col['r2'][0], 1,'Error re-indexing DATA_DESCRIPTION table')
        self.assertEqual(spw_col['r3'][0], 2,'Error re-indexing DATA_DESCRIPTION table')
Example #10
0
    def test_freqavg10(self):
        '''mstranform: Average using different bins, channel selection, both axes, output MMS'''
        self.outputms = "favg10.ms"
        mstransform(vis=self.vis, outputvis=self.outputms, spw='2,12,10:1~10', chanaverage=True,
                    chanbin=[32,128,5], createmms=True, separationaxis='auto', numsubms=6)

        self.assertTrue(os.path.exists(self.outputms))

        # Should create 6 subMSs
        mslocal = mstool()
        mslocal.open(thems=self.outputms)
        sublist = mslocal.getreferencedtables()
        mslocal.close()
        self.assertEqual(sublist.__len__(), 6, 'Should have created 6 subMSs')

        # Output should be:
        # spw=0 4 channels
        # spw=1 1 channel
        # spw=2 2 channels
        ret = th.verifyMS(self.outputms, 3, 4, 0, ignoreflags=True)
        self.assertTrue(ret[0],ret[1])
        ret = th.verifyMS(self.outputms, 3, 1, 1, ignoreflags=True)
        self.assertTrue(ret[0],ret[1])
        ret = th.verifyMS(self.outputms, 3, 2, 2, ignoreflags=True)
        self.assertTrue(ret[0],ret[1])

        # Verify that some sub-tables are properly re-indexed.
        spw_col = th.getVarCol(self.outputms+'/DATA_DESCRIPTION', 'SPECTRAL_WINDOW_ID')
        self.assertEqual(spw_col.keys().__len__(), 3, 'Wrong number of rows in DD table')
        self.assertEqual(spw_col['r1'][0], 0,'Error re-indexing DATA_DESCRIPTION table')
        self.assertEqual(spw_col['r2'][0], 1,'Error re-indexing DATA_DESCRIPTION table')
        self.assertEqual(spw_col['r3'][0], 2,'Error re-indexing DATA_DESCRIPTION table')
Example #11
0
    def test_freqavg9(self):
        '''mstranform: Average using different bins and a channel selection, output MMS'''
        self.outputms = "favg9.ms"
        mstransform(vis=self.vis, outputvis=self.outputms, spw='2,12,10:1~10', chanaverage=True,
                    chanbin=[32,128,5], createmms=True, separationaxis='spw')

        self.assertTrue(os.path.exists(self.outputms))

        # Output should be:
        # spw=0 4 channels
        # spw=1 1 channel
        # spw=2 2 channels
        ret = th.verifyMS(self.outputms, 3, 4, 0, ignoreflags=True)
        self.assertTrue(ret[0],ret[1])
        ret = th.verifyMS(self.outputms, 3, 1, 1, ignoreflags=True)
        self.assertTrue(ret[0],ret[1])
        ret = th.verifyMS(self.outputms, 3, 2, 2, ignoreflags=True)
        self.assertTrue(ret[0],ret[1])

        # Verify that some sub-tables are properly re-indexed.
        spw_col = th.getVarCol(self.outputms+'/DATA_DESCRIPTION', 'SPECTRAL_WINDOW_ID')
        self.assertEqual(spw_col.keys().__len__(), 3, 'Wrong number of rows in DD table')
        self.assertEqual(spw_col['r1'][0], 0,'Error re-indexing DATA_DESCRIPTION table')
        self.assertEqual(spw_col['r2'][0], 1,'Error re-indexing DATA_DESCRIPTION table')
        self.assertEqual(spw_col['r3'][0], 2,'Error re-indexing DATA_DESCRIPTION table')
Example #12
0
    def test_regrid1_3(self):
        '''mstransform: Default regridms with spw selection using input MMS'''
        # same as test_regrid1_1
        mmsfile = 'testmms13.mms'
        # Create input MMS
        mstransform(vis=self.vis, outputvis=mmsfile, createmms=True, disableparallel=True,
                    separationaxis='scan')

        self.outputms = "reg13.ms"
        mstransform(vis=mmsfile, outputvis=self.outputms, regridms=True, spw='1,3,5,7',
                    datacolumn='DATA')
        self.assertTrue(os.path.exists(self.outputms))

        # The regriding should be the same as the input
        for i in range(4):
            ret = th.verifyMS(self.outputms, 4, 64, i)
            self.assertTrue(ret[0],ret[1])

        listobs(self.outputms)

        # Verify that some sub-tables are properly re-indexed.
        spw_col = th.getVarCol(self.outputms+'/DATA_DESCRIPTION', 'SPECTRAL_WINDOW_ID')
        self.assertEqual(spw_col.keys().__len__(), 4, 'Wrong number of rows in DD table')
        self.assertEqual(spw_col['r1'][0], 0,'Error re-indexing DATA_DESCRIPTION table')
        self.assertEqual(spw_col['r2'][0], 1,'Error re-indexing DATA_DESCRIPTION table')
        self.assertEqual(spw_col['r3'][0], 2,'Error re-indexing DATA_DESCRIPTION table')
        self.assertEqual(spw_col['r4'][0], 3,'Error re-indexing DATA_DESCRIPTION table')
Example #13
0
    def test3(self):
        '''hanningsmooth - Test 3: Check theoretical and calculated values on non-existing CORRECTED column'''
        self.outputms = 'hann3.ms'

        # check correct flagging (just for one row as a sample)
        flag_col = th.getVarCol(self.msfile, 'FLAG')
        self.assertTrue(flag_col['r1'][0][0] == [False])
        self.assertTrue(flag_col['r1'][0][1] == [False])
        self.assertTrue(flag_col['r1'][0][61] == [False])
        self.assertTrue(flag_col['r1'][0][62] == [False])

        # It should fall-back and use the input DATA column
        hanningsmooth(vis=self.msfile,
                      outputvis=self.outputms,
                      datacolumn='corrected')

        # check correct flagging (just for one row as a sample)
        flag_col = th.getVarCol(self.outputms, 'FLAG')
        self.assertTrue(flag_col['r1'][0][0] == [True])
        self.assertTrue(flag_col['r1'][0][1] == [False])
        self.assertTrue(flag_col['r1'][0][61] == [False])
        self.assertTrue(flag_col['r1'][0][62] == [True])

        data_col = th.getVarCol(self.msfile, 'DATA')
        corr_col = th.getVarCol(self.outputms, 'DATA')
        nrows = len(corr_col)

        # Loop over every 2nd row,pol and get the data for each channel
        max = 1e-05
        for i in range(1, nrows, 2):
            row = 'r%s' % i
            # polarization is 0-1
            for pol in range(0, 2):
                # array's channels is 0-63
                for chan in range(1, 62):
                    # channels must start from second and end before the last
                    data = data_col[row][pol][chan]
                    dataB = data_col[row][pol][chan - 1]
                    dataA = data_col[row][pol][chan + 1]

                    Smoothed = th.calculateHanning(dataB, data, dataA)
                    CorData = corr_col[row][pol][chan]

                    # Check the difference
                    self.assertTrue(abs(CorData - Smoothed) < max)
Example #14
0
    def test6(self):
        """hanningsmooth - Test 6: Flagging should be correct with datacolumn==ALL"""
        self.outputms = "hann6.ms"

        # check correct flagging (just for one row as a sample)
        flag_col = th.getVarCol(self.msfile, "FLAG")
        self.assertTrue(flag_col["r1"][0][0] == [False])
        self.assertTrue(flag_col["r1"][0][1] == [False])
        self.assertTrue(flag_col["r1"][0][61] == [False])
        self.assertTrue(flag_col["r1"][0][62] == [False])

        hanningsmooth(vis=self.msfile, outputvis=self.outputms, datacolumn="all")

        # check correct flagging (just for one row as a sample)
        flag_col = th.getVarCol(self.outputms, "FLAG")
        self.assertTrue(flag_col["r1"][0][0] == [True])
        self.assertTrue(flag_col["r1"][0][1] == [False])
        self.assertTrue(flag_col["r1"][0][61] == [False])
        self.assertTrue(flag_col["r1"][0][62] == [True])
Example #15
0
    def test7(self):
        '''Test 7: Flagging should be correct when hanning smoothing within cvel (no transform)'''
        clearcal(vis=self.msfile)
        
      # check correct flagging (just for one row as a sample)
        flag_col = th.getVarCol(self.msfile, 'FLAG')
        self.assertTrue(flag_col['r1'][0][0] == [False])
        self.assertTrue(flag_col['r1'][0][1] == [False])
        self.assertTrue(flag_col['r1'][0][61] == [False])
        self.assertTrue(flag_col['r1'][0][62] == [False])

        self.res = cvel(vis=self.msfile, outputvis='cvelngc.ms', hanning=True)

      # check correct flagging (just for one row as a sample)
        flag_col = th.getVarCol('cvelngc.ms', 'FLAG')
        self.assertTrue(flag_col['r1'][0][0] == [True])
        self.assertTrue(flag_col['r1'][0][1] == [False])
        self.assertTrue(flag_col['r1'][0][61] == [False])
        self.assertTrue(flag_col['r1'][0][62] == [True])
Example #16
0
    def test6(self):
        '''Test 6: Flagging should be correct with datacolumn==ALL'''
        clearcal(vis=self.msfile)

        # check correct flagging (just for one row as a sample)
        flag_col = th.getVarCol(self.msfile, 'FLAG')
        self.assertTrue(flag_col['r1'][0][0] == [False])
        self.assertTrue(flag_col['r1'][0][1] == [False])
        self.assertTrue(flag_col['r1'][0][61] == [False])
        self.assertTrue(flag_col['r1'][0][62] == [False])

        self.res = oldhanningsmooth(vis=self.msfile, datacolumn='all')

        # check correct flagging (just for one row as a sample)
        flag_col = th.getVarCol(self.msfile, 'FLAG')
        self.assertTrue(flag_col['r1'][0][0] == [True])
        self.assertTrue(flag_col['r1'][0][1] == [False])
        self.assertTrue(flag_col['r1'][0][61] == [False])
        self.assertTrue(flag_col['r1'][0][62] == [True])
Example #17
0
    def test3(self):
        '''hanningsmooth2 - Test 3: Check theoretical and calculated values on non-existing CORRECTED column'''
        self.outputms = 'hann3.ms'

      # check correct flagging (just for one row as a sample)
        flag_col = th.getVarCol(self.msfile, 'FLAG')
        self.assertTrue(flag_col['r1'][0][0] == [False])
        self.assertTrue(flag_col['r1'][0][1] == [False])
        self.assertTrue(flag_col['r1'][0][61] == [False])
        self.assertTrue(flag_col['r1'][0][62] == [False])

        # It should fall-back and use the input DATA column
        hanningsmooth2(vis=self.msfile, outputvis=self.outputms, datacolumn='corrected')

      # check correct flagging (just for one row as a sample)
        flag_col = th.getVarCol(self.outputms, 'FLAG')
        self.assertTrue(flag_col['r1'][0][0] == [True])
        self.assertTrue(flag_col['r1'][0][1] == [False])
        self.assertTrue(flag_col['r1'][0][61] == [False])
        self.assertTrue(flag_col['r1'][0][62] == [True])

        data_col = th.getVarCol(self.msfile, 'DATA')
        corr_col = th.getVarCol(self.outputms, 'DATA')
        nrows = len(corr_col)
        
      # Loop over every 2nd row,pol and get the data for each channel
        max = 1e-05
        for i in range(1,nrows,2) :
            row = 'r%s'%i            
            # polarization is 0-1
            for pol in range(0,2) :
                # array's channels is 0-63
                for chan in range(1,62) :
                    # channels must start from second and end before the last
                    data = data_col[row][pol][chan]
                    dataB = data_col[row][pol][chan-1]
                    dataA = data_col[row][pol][chan+1]
        
                    Smoothed = th.calculateHanning(dataB,data,dataA)
                    CorData = corr_col[row][pol][chan]
                    
                    # Check the difference
                    self.assertTrue(abs(CorData-Smoothed) < max )
Example #18
0
    def test6(self):
        '''Test 6: Flagging should be correct with datacolumn==ALL'''
        clearcal(vis=self.msfile)
        
      # check correct flagging (just for one row as a sample)
        flag_col = th.getVarCol(self.msfile, 'FLAG')
        self.assertTrue(flag_col['r1'][0][0] == [False])
        self.assertTrue(flag_col['r1'][0][1] == [False])
        self.assertTrue(flag_col['r1'][0][61] == [False])
        self.assertTrue(flag_col['r1'][0][62] == [False])

        self.res = hanningsmooth(vis=self.msfile,datacolumn='all')

      # check correct flagging (just for one row as a sample)
        flag_col = th.getVarCol(self.msfile, 'FLAG')
        self.assertTrue(flag_col['r1'][0][0] == [True])
        self.assertTrue(flag_col['r1'][0][1] == [False])
        self.assertTrue(flag_col['r1'][0][61] == [False])
        self.assertTrue(flag_col['r1'][0][62] == [True])
Example #19
0
    def test6(self):
        '''hanningsmooth2 - Test 6: Flagging should be correct with datacolumn==ALL'''
        self.outputms = 'hann6.ms'
        
      # check correct flagging (just for one row as a sample)
        flag_col = th.getVarCol(self.msfile, 'FLAG')
        self.assertTrue(flag_col['r1'][0][0] == [False])
        self.assertTrue(flag_col['r1'][0][1] == [False])
        self.assertTrue(flag_col['r1'][0][61] == [False])
        self.assertTrue(flag_col['r1'][0][62] == [False])

        hanningsmooth2(vis=self.msfile,outputvis=self.outputms, datacolumn='all')

      # check correct flagging (just for one row as a sample)
        flag_col = th.getVarCol(self.outputms, 'FLAG')
        self.assertTrue(flag_col['r1'][0][0] == [True])
        self.assertTrue(flag_col['r1'][0][1] == [False])
        self.assertTrue(flag_col['r1'][0][61] == [False])
        self.assertTrue(flag_col['r1'][0][62] == [True])
Example #20
0
    def test3(self):
        '''Test 3: Theoretical and calculated values should be the same with datacolumn==CORRECTED'''

        # check correct flagging (just for one row as a sample)
        flag_col = th.getVarCol(self.msfile, 'FLAG')
        self.assertTrue(flag_col['r1'][0][0] == [False])
        self.assertTrue(flag_col['r1'][0][1] == [False])
        self.assertTrue(flag_col['r1'][0][61] == [False])
        self.assertTrue(flag_col['r1'][0][62] == [False])

        self.res = oldhanningsmooth(vis=self.msfile, datacolumn='corrected')

        # check correct flagging (just for one row as a sample)
        flag_col = th.getVarCol(self.msfile, 'FLAG')
        self.assertTrue(flag_col['r1'][0][0] == [True])
        self.assertTrue(flag_col['r1'][0][1] == [False])
        self.assertTrue(flag_col['r1'][0][61] == [False])
        self.assertTrue(flag_col['r1'][0][62] == [True])

        cd = th.getColDesc(self.msfile, 'CORRECTED_DATA')
        self.assertTrue(len(cd))
        data_col = th.getVarCol(self.msfile, 'DATA')
        corr_col = th.getVarCol(self.msfile, 'CORRECTED_DATA')
        nrows = len(corr_col)

        # Loop over every 2nd row,pol and get the data for each channel
        max = 1e-05
        for i in range(1, nrows, 2):
            row = 'r%s' % i
            # polarization is 0-1
            for pol in range(0, 2):
                # array's channels is 0-63
                for chan in range(1, 62):
                    # channels must start from second and end before the last
                    data = data_col[row][pol][chan]
                    dataB = data_col[row][pol][chan - 1]
                    dataA = data_col[row][pol][chan + 1]

                    Smoothed = th.calculateHanning(dataB, data, dataA)
                    CorData = corr_col[row][pol][chan]

                    # Check the difference
                    self.assertTrue(abs(CorData - Smoothed) < max)
Example #21
0
    def test7(self):
        '''Test 7: Flagging should be correct when hanning smoothing within cvel (no transform)'''
        clearcal(vis=self.msfile)

        # check correct flagging (just for one row as a sample)
        flag_col = th.getVarCol(self.msfile, 'FLAG')
        self.assertTrue(flag_col['r1'][0][0] == [False])
        self.assertTrue(flag_col['r1'][0][1] == [False])
        self.assertTrue(flag_col['r1'][0][61] == [False])
        self.assertTrue(flag_col['r1'][0][62] == [False])

        self.res = cvel(vis=self.msfile, outputvis='cvelngc.ms', hanning=True)

        # check correct flagging (just for one row as a sample)
        flag_col = th.getVarCol('cvelngc.ms', 'FLAG')
        self.assertTrue(flag_col['r1'][0][0] == [True])
        self.assertTrue(flag_col['r1'][0][1] == [False])
        self.assertTrue(flag_col['r1'][0][61] == [False])
        self.assertTrue(flag_col['r1'][0][62] == [True])
Example #22
0
    def test3(self):
        '''Test 3: Theoretical and calculated values should be the same with datacolumn==CORRECTED'''

      # check correct flagging (just for one row as a sample)
        flag_col = th.getVarCol(self.msfile, 'FLAG')
        self.assertTrue(flag_col['r1'][0][0] == [False])
        self.assertTrue(flag_col['r1'][0][1] == [False])
        self.assertTrue(flag_col['r1'][0][61] == [False])
        self.assertTrue(flag_col['r1'][0][62] == [False])

        self.res = hanningsmooth(vis=self.msfile, datacolumn='corrected')

      # check correct flagging (just for one row as a sample)
        flag_col = th.getVarCol(self.msfile, 'FLAG')
        self.assertTrue(flag_col['r1'][0][0] == [True])
        self.assertTrue(flag_col['r1'][0][1] == [False])
        self.assertTrue(flag_col['r1'][0][61] == [False])
        self.assertTrue(flag_col['r1'][0][62] == [True])

        cd = th.getColDesc(self.msfile, 'CORRECTED_DATA')
        self.assertTrue(len(cd))
        data_col = th.getVarCol(self.msfile, 'DATA')
        corr_col = th.getVarCol(self.msfile, 'CORRECTED_DATA')
        nrows = len(corr_col)
        
      # Loop over every 2nd row,pol and get the data for each channel
        max = 1e-05
        for i in range(1,nrows,2) :
            row = 'r%s'%i            
            # polarization is 0-1
            for pol in range(0,2) :
                # array's channels is 0-63
                for chan in range(1,62) :
                    # channels must start from second and end before the last
                    data = data_col[row][pol][chan]
                    dataB = data_col[row][pol][chan-1]
                    dataA = data_col[row][pol][chan+1]
        
                    Smoothed = th.calculateHanning(dataB,data,dataA)
                    CorData = corr_col[row][pol][chan]
                    
                    # Check the difference
                    self.assertTrue(abs(CorData-Smoothed) < max )
Example #23
0
    def test7(self):
        """hanningsmooth - Test 7: Flagging should be correct when hanning smoothing within cvel (no transform)"""
        self.outputms = "cvelngc.ms"
        clearcal(vis=self.msfile)

        # check correct flagging (just for one row as a sample)
        flag_col = th.getVarCol(self.msfile, "FLAG")
        self.assertTrue(flag_col["r1"][0][0] == [False])
        self.assertTrue(flag_col["r1"][0][1] == [False])
        self.assertTrue(flag_col["r1"][0][61] == [False])
        self.assertTrue(flag_col["r1"][0][62] == [False])

        cvel(vis=self.msfile, outputvis=self.outputms, hanning=True)

        # check correct flagging (just for one row as a sample)
        flag_col = th.getVarCol(self.outputms, "FLAG")
        self.assertTrue(flag_col["r1"][0][0] == [True])
        self.assertTrue(flag_col["r1"][0][1] == [False])
        self.assertTrue(flag_col["r1"][0][61] == [False])
        self.assertTrue(flag_col["r1"][0][62] == [True])
Example #24
0
    def test6(self):
        '''hanningsmooth - Test 6: Flagging should be correct with datacolumn==ALL'''
        self.outputms = 'hann6.ms'

        # check correct flagging (just for one row as a sample)
        flag_col = th.getVarCol(self.msfile, 'FLAG')
        self.assertTrue(flag_col['r1'][0][0] == [False])
        self.assertTrue(flag_col['r1'][0][1] == [False])
        self.assertTrue(flag_col['r1'][0][61] == [False])
        self.assertTrue(flag_col['r1'][0][62] == [False])

        hanningsmooth(vis=self.msfile,
                      outputvis=self.outputms,
                      datacolumn='all')

        # check correct flagging (just for one row as a sample)
        flag_col = th.getVarCol(self.outputms, 'FLAG')
        self.assertTrue(flag_col['r1'][0][0] == [True])
        self.assertTrue(flag_col['r1'][0][1] == [False])
        self.assertTrue(flag_col['r1'][0][61] == [False])
        self.assertTrue(flag_col['r1'][0][62] == [True])
Example #25
0
    def test8(self):
        '''hanningsmooth2 - Test 8: Flagging should be correct when hanning smoothing within mstransform (with regrid)'''
        self.outputms = 'cvelngc.ms'
        
      # check correct flagging (just for one row as a sample)
        flag_col = th.getVarCol(self.msfile, 'FLAG')
        self.assertTrue(flag_col['r1'][0][0] == [False])
        self.assertTrue(flag_col['r1'][0][1] == [False])
        self.assertTrue(flag_col['r1'][0][61] == [False])
        self.assertTrue(flag_col['r1'][0][62] == [False])

        # CAS-4114 cvel doesn't support MMS. Compare with mstransform instead.
#        cvel(vis=self.msfile, outputvis=self.outputms, hanning=True, outframe='cmb')
        mstransform(vis=self.msfile, outputvis=self.outputms, datacolumn='data',
                    hanning=True, regridms=True, outframe='cmb')

        # check correct flagging (just for one row as a sample)
        flag_col = th.getVarCol(self.outputms, 'FLAG')
        self.assertTrue(flag_col['r1'][0][0] == [True])
        self.assertTrue(flag_col['r1'][0][1] == [False])
        self.assertTrue(flag_col['r1'][0][2] == [False])
        self.assertTrue(flag_col['r1'][0][60] == [False])
        self.assertTrue(flag_col['r1'][0][61] == [True])
        self.assertTrue(flag_col['r1'][0][62] == [True])
Example #26
0
    def test_parallel4(self):
        '''mstransform: verify spw sub-table consolidation in sequential'''
        self.outputms = "parallel4.mms"
        mstransform(vis=self.vis, outputvis=self.outputms, spw='3,5:10~20,7,9,15',createmms=True,
                    separationaxis='spw', numsubms=5)
        self.assertTrue(os.path.exists(self.outputms))

        # spw=5 should be spw=1 after consolidation, with 10 channels
        ret = th.verifyMS(self.outputms, 7, 10, 1, ignoreflags=True)
        
        # Check the FEED table
        out_feed_spw = th.getVarCol(self.outputms+'/FEED', 'SPECTRAL_WINDOW_ID')
        self.assertEqual(len(out_feed_spw.keys()), 20)
        self.assertEqual(out_feed_spw['r1'], 0)
        self.assertEqual(out_feed_spw['r5'], 1)
        self.assertEqual(out_feed_spw['r9'], 2)
        self.assertEqual(out_feed_spw['r13'], 3)
        self.assertEqual(out_feed_spw['r17'], 4)
Example #27
0
    def test_parallel2(self):
        '''mstransform: create MMS with spw/scan separation and channel selections in parallel'''
        self.outputms = "parallel2.mms"
        mstransform(vis=self.vis, outputvis=self.outputms, spw='0:0~10,1:60~63',createmms=True,
                    separationaxis='auto')

        self.assertTrue(os.path.exists(self.outputms))

        # It should create 4 subMS, with spw=0~1
        # spw=0 has 11 channels, spw=1 has 4 channels
        ret = th.verifyMS(self.outputms, 2, 11, 0, ignoreflags=True)
        self.assertTrue(ret[0],ret[1])
        ret = th.verifyMS(self.outputms, 2, 4, 1, ignoreflags=True)
        self.assertTrue(ret[0],ret[1])

        # Check the FEED table
        out_feed_spw = th.getVarCol(self.outputms+'/FEED', 'SPECTRAL_WINDOW_ID')
        self.assertEqual(len(out_feed_spw.keys()), 8)
        self.assertEqual(out_feed_spw['r1'], 0)
        self.assertEqual(out_feed_spw['r5'], 1)
Example #28
0
    def test_channels_mms2(self):
        '''mstransform: create MMS with spw/scan separation and channel selections'''
        self.outputms = "testmms2.mms"
        mstransform(vis=self.vis, outputvis=self.outputms, spw='0:0~10,1:60~63',createmms=True,
                    separationaxis='auto', disableparallel=True)

        self.assertTrue(os.path.exists(self.outputms))

        # It should create 4 subMS, with spw=0~1
        # spw=0 has 11 channels, spw=1 has 4 channels
        ret = th.verifyMS(self.outputms, 2, 11, 0, ignoreflags=True)
        self.assertTrue(ret[0],ret[1])
        ret = th.verifyMS(self.outputms, 2, 4, 1, ignoreflags=True)
        self.assertTrue(ret[0],ret[1])

        # Verify that some sub-tables are properly re-indexed.
        spw_col = th.getVarCol(self.outputms+'/DATA_DESCRIPTION', 'SPECTRAL_WINDOW_ID')
        self.assertEqual(spw_col.keys().__len__(), 2, 'Wrong number of rows in DD table')
        self.assertEqual(spw_col['r1'][0], 0,'Error re-indexing DATA_DESCRIPTION table')
        self.assertEqual(spw_col['r2'][0], 1,'Error re-indexing DATA_DESCRIPTION table')

        # The separation axis should be written to the output MMS
        sepaxis = ph.axisType(self.outputms)
        self.assertEqual(sepaxis, 'scan,spw', 'AxisType is not correctly written to output MMS')
Example #29
0
    def test4(self):
        '''hanningsmooth2 - Test 4: Theoretical and calculated values should be the same for MMS-case'''
	
        # Split the input to decrease the running time
        split2(self.msfile, outputvis='splithan.ms',scan='1,2',datacolumn='data')
        self.msfile = 'splithan.ms'
        
        # create a test MMS. It creates self.testmms
        self.createMMS(self.msfile)
        self.outputms = 'hann4.mms'
        
      # check correct flagging (just for one row as a sample)
        mslocal = mstool()
        mslocal.open(self.msfile)
        mslocal.sort('sorted.ms',['OBSERVATION_ID','ARRAY_ID','SCAN_NUMBER','FIELD_ID','DATA_DESC_ID','ANTENNA1','ANTENNA2','TIME'])
        mslocal.close()
        self.msfile = 'sorted.ms'
        flag_col = th.getVarCol(self.msfile, 'FLAG')
        self.assertTrue(flag_col['r1'][0][0] == [False])
        self.assertTrue(flag_col['r1'][0][1] == [False])
        self.assertTrue(flag_col['r1'][0][61] == [False])
        self.assertTrue(flag_col['r1'][0][62] == [False])
        
        data_col = th.getVarCol(self.msfile, 'DATA')        
        hanningsmooth2(vis=self.testmms, outputvis=self.outputms, datacolumn='data', keepmms=True)
        self.assertTrue(ParallelDataHelper.isParallelMS(self.outputms), 'Output should be an MMS')

      # Sort the MMS
        mslocal.open(self.outputms)
        mslocal.sort('sorted.mms',['OBSERVATION_ID','ARRAY_ID','SCAN_NUMBER','FIELD_ID','DATA_DESC_ID','ANTENNA1','ANTENNA2','TIME'])
        mslocal.close()
        self.outputms = 'sorted.mms'
        
        corr_col = th.getVarCol(self.outputms, 'DATA')
        nrows = len(corr_col)

      # check correct flagging (just for one row as a sample)
        flag_col = th.getVarCol(self.outputms, 'FLAG')
        self.assertTrue(flag_col['r1'][0][0] == [True])
        self.assertTrue(flag_col['r1'][0][1] == [False])
        self.assertTrue(flag_col['r1'][0][61] == [False])
        self.assertTrue(flag_col['r1'][0][62] == [True])
        
      # Loop over every 2nd row,pol and get the data for each channel
        max = 1e-05
        for i in range(1,nrows,2) :
            row = 'r%s'%i            
            # polarization is 0-1
            for pol in range(0,2) :
                # array's channels is 0-63
                for chan in range(1,62) :
                    # channels must start from second and end before the last
                    data = data_col[row][pol][chan]
                    dataB = data_col[row][pol][chan-1]
                    dataA = data_col[row][pol][chan+1]
        
                    Smoothed = th.calculateHanning(dataB,data,dataA)
                    CorData = corr_col[row][pol][chan]
                    
                    # Check the difference
                    self.assertTrue(abs(CorData-Smoothed) < max )
Example #30
0
    def test4(self):
        """hanningsmooth - Test 4: Theoretical and calculated values should be the same for MMS-case"""

        # Split the input to decrease the running time
        split(self.msfile, outputvis="splithan.ms", scan="1,2", datacolumn="data")
        self.msfile = "splithan.ms"

        # create a test MMS. It creates self.testmms
        self.createMMS(self.msfile)
        self.outputms = "hann4.mms"

        # check correct flagging (just for one row as a sample)
        mslocal = mstool()
        mslocal.open(self.msfile)
        mslocal.sort(
            "sorted.ms",
            ["OBSERVATION_ID", "ARRAY_ID", "SCAN_NUMBER", "FIELD_ID", "DATA_DESC_ID", "ANTENNA1", "ANTENNA2", "TIME"],
        )
        mslocal.close()
        self.msfile = "sorted.ms"
        flag_col = th.getVarCol(self.msfile, "FLAG")
        self.assertTrue(flag_col["r1"][0][0] == [False])
        self.assertTrue(flag_col["r1"][0][1] == [False])
        self.assertTrue(flag_col["r1"][0][61] == [False])
        self.assertTrue(flag_col["r1"][0][62] == [False])

        data_col = th.getVarCol(self.msfile, "DATA")
        hanningsmooth(vis=self.testmms, outputvis=self.outputms, datacolumn="data", keepmms=True)
        self.assertTrue(ParallelDataHelper.isParallelMS(self.outputms), "Output should be an MMS")

        # Sort the MMS
        mslocal.open(self.outputms)
        mslocal.sort(
            "sorted.mms",
            ["OBSERVATION_ID", "ARRAY_ID", "SCAN_NUMBER", "FIELD_ID", "DATA_DESC_ID", "ANTENNA1", "ANTENNA2", "TIME"],
        )
        mslocal.close()
        self.outputms = "sorted.mms"

        corr_col = th.getVarCol(self.outputms, "DATA")
        nrows = len(corr_col)

        # check correct flagging (just for one row as a sample)
        flag_col = th.getVarCol(self.outputms, "FLAG")
        self.assertTrue(flag_col["r1"][0][0] == [True])
        self.assertTrue(flag_col["r1"][0][1] == [False])
        self.assertTrue(flag_col["r1"][0][61] == [False])
        self.assertTrue(flag_col["r1"][0][62] == [True])

        # Loop over every 2nd row,pol and get the data for each channel
        max = 1e-05
        for i in range(1, nrows, 2):
            row = "r%s" % i
            # polarization is 0-1
            for pol in range(0, 2):
                # array's channels is 0-63
                for chan in range(1, 62):
                    # channels must start from second and end before the last
                    data = data_col[row][pol][chan]
                    dataB = data_col[row][pol][chan - 1]
                    dataA = data_col[row][pol][chan + 1]

                    Smoothed = th.calculateHanning(dataB, data, dataA)
                    CorData = corr_col[row][pol][chan]

                    # Check the difference
                    self.assertTrue(abs(CorData - Smoothed) < max)
Example #31
0
    def test4(self):
        '''hanningsmooth - Test 4: Theoretical and calculated values should be the same for MMS-case'''

        # Split the input to decrease the running time
        split(self.msfile,
              outputvis='splithan.ms',
              scan='1,2',
              datacolumn='data')
        self.msfile = 'splithan.ms'

        # create a test MMS. It creates self.testmms
        self.createMMS(self.msfile)
        self.outputms = 'hann4.mms'

        # check correct flagging (just for one row as a sample)
        mslocal = mstool()
        mslocal.open(self.msfile)
        mslocal.sort('sorted.ms', [
            'OBSERVATION_ID', 'ARRAY_ID', 'SCAN_NUMBER', 'FIELD_ID',
            'DATA_DESC_ID', 'ANTENNA1', 'ANTENNA2', 'TIME'
        ])
        mslocal.close()
        self.msfile = 'sorted.ms'
        flag_col = th.getVarCol(self.msfile, 'FLAG')
        self.assertTrue(flag_col['r1'][0][0] == [False])
        self.assertTrue(flag_col['r1'][0][1] == [False])
        self.assertTrue(flag_col['r1'][0][61] == [False])
        self.assertTrue(flag_col['r1'][0][62] == [False])

        data_col = th.getVarCol(self.msfile, 'DATA')
        hanningsmooth(vis=self.testmms,
                      outputvis=self.outputms,
                      datacolumn='data',
                      keepmms=True)
        self.assertTrue(ParallelDataHelper.isParallelMS(self.outputms),
                        'Output should be an MMS')

        # Sort the MMS
        mslocal.open(self.outputms)
        mslocal.sort('sorted.mms', [
            'OBSERVATION_ID', 'ARRAY_ID', 'SCAN_NUMBER', 'FIELD_ID',
            'DATA_DESC_ID', 'ANTENNA1', 'ANTENNA2', 'TIME'
        ])
        mslocal.close()
        self.outputms = 'sorted.mms'

        corr_col = th.getVarCol(self.outputms, 'DATA')
        nrows = len(corr_col)

        # check correct flagging (just for one row as a sample)
        flag_col = th.getVarCol(self.outputms, 'FLAG')
        self.assertTrue(flag_col['r1'][0][0] == [True])
        self.assertTrue(flag_col['r1'][0][1] == [False])
        self.assertTrue(flag_col['r1'][0][61] == [False])
        self.assertTrue(flag_col['r1'][0][62] == [True])

        # Loop over every 2nd row,pol and get the data for each channel
        max = 1e-05
        for i in range(1, nrows, 2):
            row = 'r%s' % i
            # polarization is 0-1
            for pol in range(0, 2):
                # array's channels is 0-63
                for chan in range(1, 62):
                    # channels must start from second and end before the last
                    data = data_col[row][pol][chan]
                    dataB = data_col[row][pol][chan - 1]
                    dataA = data_col[row][pol][chan + 1]

                    Smoothed = th.calculateHanning(dataB, data, dataA)
                    CorData = corr_col[row][pol][chan]

                    # Check the difference
                    self.assertTrue(abs(CorData - Smoothed) < max)