Example #1
0
 def test_tsdsmooth_fail04(self):
     """test_tsdsmooth_fail04 --- outfile exists (overwrite=False)"""
     shutil.copytree(self.infile, self.outfile)
     self.result = tsdsmooth(infile=self.infile,
                             kernel='gaussian',
                             outfile=self.outfile,
                             overwrite=False)
Example #2
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 def test000(self):
     # testing kwidth from 1 to 5.
     for kwidth in range(1,6):
         result = tsdsmooth(infile=self.infile, outfile=self.outfile,
                            datacolumn=self.datacolumn, overwrite=True,
                            kernel='boxcar', kwidth = kwidth)
         with sdutil.tbmanager(self.outfile) as tb:
             for irow in range(tb.nrows()):
                 spec = tb.getcell(self.datacolumn.upper(), irow)
                 for ipol in range(len(spec)):
                     center = self.centers[str(irow)+str(ipol)]
                     self._checkResult(spec[ipol], kwidth, center)
Example #3
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 def test_tsdsmooth_fail05(self):
     """test_tsdsmooth_fail05 --- empty outfile"""
     self.result = tsdsmooth(infile=self.infile, kernel='gaussian', outfile='')
Example #4
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 def test_tsdsmooth_fail04(self):
     """test_tsdsmooth_fail04 --- outfile exists (overwrite=False)"""
     shutil.copytree(self.infile, self.outfile)
     self.result = tsdsmooth(infile=self.infile, kernel='gaussian', outfile=self.outfile, overwrite=False)
Example #5
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 def test_tsdsmooth_fail03(self):
     """test_tsdsmooth_fail03 --- invalid selection (empty selection result)"""
     self.result = tsdsmooth(infile=self.infile, kernel='gaussian', outfile=self.outfile, spw='3')
Example #6
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 def test_tsdsmooth_fail02(self):
     """test_tsdsmooth_fail02 --- invalid kernel type"""
     self.result = tsdsmooth(infile=self.infile, kernel='normal', outfile=self.outfile)
Example #7
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 def test_tsdsmooth_fail01(self):
     """test_tsdsmooth_fail01 --- default parameters (raises an error)"""
     self.result = tsdsmooth()
Example #8
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 def test_tsdsmooth_fail01(self):
     """test_tsdsmooth_fail01 --- default parameters (raises an error)"""
     self.result = tsdsmooth()
Example #9
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 def test_tsdsmooth_float_fail01(self):
     """test_tsdsmooth_complex_fail01 --- non-existing data column (DATA)"""
     self.result = tsdsmooth(infile=self.infile,
                             outfile=self.outfile,
                             kernel='gaussian',
                             datacolumn='data')
Example #10
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 def test_tsdsmooth_fail06(self):
     """test_tsdsmooth_fail06 --- invalid data column name"""
     self.result = tsdsmooth(infile=self.infile,
                             outfile=self.outfile,
                             kernel='gaussian',
                             datacolumn='spectra')
Example #11
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 def test_tsdsmooth_fail05(self):
     """test_tsdsmooth_fail05 --- empty outfile"""
     self.result = tsdsmooth(infile=self.infile,
                             kernel='gaussian',
                             outfile='')
Example #12
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 def test_tsdsmooth_fail03(self):
     """test_tsdsmooth_fail03 --- invalid selection (empty selection result)"""
     self.result = tsdsmooth(infile=self.infile,
                             kernel='gaussian',
                             outfile=self.outfile,
                             spw='3')
Example #13
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 def test_tsdsmooth_fail02(self):
     """test_tsdsmooth_fail02 --- invalid kernel type"""
     self.result = tsdsmooth(infile=self.infile,
                             kernel='normal',
                             outfile=self.outfile)
Example #14
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 def test_tsdsmooth_fail06(self):
     """test_tsdsmooth_fail06 --- invalid data column name"""
     self.result = tsdsmooth(infile=self.infile, outfile=self.outfile, kernel='gaussian', datacolumn='spectra')
Example #15
0
    def run_test(self, *args, **kwargs):
        datacol_name = self.datacolumn.upper()
        
        if kwargs.has_key('kwidth'):
            kwidth = kwargs['kwidth']
        else:
            kwidth = 5
        
        self.result = tsdsmooth(infile=self.infile, outfile=self.outfile, kernel='gaussian', datacolumn=self.datacolumn, **kwargs)

        # sanity check
        self.assertIsNone(self.result, msg='The task must complete without error')
        self.assertTrue(os.path.exists(self.outfile), msg='Output file is not properly created.')

        if kwargs.has_key('spw'):
            spw = kwargs['spw']
        else:
            spw = ''
        dd_selection = None
        if len(spw) == 0:
            expected_nrow = 2
            with sdutil.tbmanager(self.infile) as tb:
                data_in = tb.getvarcol(datacol_name)
                flag_in = tb.getvarcol('FLAG')
        else:
            myms = gentools(['ms'])[0]
            a = myms.msseltoindex(self.infile, spw=spw)
            spw_selection = a['spw']
            dd_selection = a['dd']
            expected_nrow = len(spw_selection)
            with sdutil.tbmanager(self.infile) as tb:
                try:
                    tsel = tb.query('DATA_DESC_ID IN %s'%(dd_selection.tolist()))
                    data_in = tsel.getvarcol(datacol_name)
                    flag_in = tsel.getvarcol('FLAG')
                finally:
                    tsel.close()

        with sdutil.tbmanager(self.outfile) as tb:
            nrow = tb.nrows()
            data_out = tb.getvarcol(datacol_name)
            flag_out = tb.getvarcol('FLAG')
            
        # verify nrow
        self.assertEqual(nrow, expected_nrow, msg='Number of rows mismatch (expected %s actual %s)'%(expected_nrow, nrow))

        # verify data
        eps = 1.0e-6
        for key in data_out.keys():
            row_in = data_in[key]
            flg_in = flag_in[key]
            row_in[numpy.where(flg_in == True)] = 0.0
            row_out = data_out[key]
            self.assertEqual(row_in.shape, row_out.shape, msg='Shape mismatch in row %s'%(key))
            
            nchan = row_out.shape[1]
            kernel_array = gaussian_kernel(nchan, kwidth)
            expected = numpy.convolve(row_in[0,:,0], kernel_array, mode='same')
            output = row_out[0,:,0]
            zero_index = numpy.where(numpy.abs(expected) <= eps)
            self.assertTrue(all(numpy.abs(output[zero_index]) < eps), msg='Failed to verify zero values: row %s'%(key))
            nonzero_index= numpy.where(numpy.abs(expected) > eps)
            diff = numpy.abs((output[nonzero_index] - expected[nonzero_index]) / expected[nonzero_index].max())
            #print diff
            #print output[nonzero_index]
            #print expected[nonzero_index]
            self.assertTrue(all(diff < eps), msg='Failed to verify nonzero values: row %s'%(key))
Example #16
0
 def test_tsdsmooth_float_fail01(self):
     """test_tsdsmooth_complex_fail01 --- non-existing data column (DATA)"""
     self.result = tsdsmooth(infile=self.infile, outfile=self.outfile, kernel='gaussian', datacolumn='data')
Example #17
0
    def run_test(self, *args, **kwargs):
        datacol_name = self.datacolumn.upper()
        weight_mode = hasattr(self, 'weight_propagation') and getattr(self, 'weight_propagation') is True
        
        if kwargs.has_key('kwidth'):
            kwidth = kwargs['kwidth']
        else:
            kwidth = 5
        
        self.result = tsdsmooth(infile=self.infile, outfile=self.outfile, kernel='gaussian', datacolumn=self.datacolumn, **kwargs)

        # sanity check
        self.assertIsNone(self.result, msg='The task must complete without error')
        self.assertTrue(os.path.exists(self.outfile), msg='Output file is not properly created.')

        if kwargs.has_key('spw'):
            spw = kwargs['spw']
        else:
            spw = ''
        dd_selection = None
        if len(spw) == 0:
            expected_nrow = 2
            with sdutil.tbmanager(self.infile) as tb:
                data_in = tb.getvarcol(datacol_name)
                flag_in = tb.getvarcol('FLAG')
                if weight_mode is True:
                    weight_in = tb.getvarcol('WEIGHT_SPECTRUM')
        else:
            myms = gentools(['ms'])[0]
            a = myms.msseltoindex(self.infile, spw=spw)
            spw_selection = a['spw']
            dd_selection = a['dd']
            expected_nrow = len(spw_selection)
            with sdutil.tbmanager(self.infile) as tb:
                try:
                    tsel = tb.query('DATA_DESC_ID IN %s'%(dd_selection.tolist()))
                    data_in = tsel.getvarcol(datacol_name)
                    flag_in = tsel.getvarcol('FLAG')
                    if weight_mode is True:
                        weight_in = tsel.getvarcol('WEIGHT_SPECTRUM')
                finally:
                    tsel.close()

        with sdutil.tbmanager(self.outfile) as tb:
            nrow = tb.nrows()
            data_out = tb.getvarcol(datacol_name)
            flag_out = tb.getvarcol('FLAG')
            if weight_mode is True:
                weight_out = tb.getvarcol('WEIGHT_SPECTRUM')
            
        # verify nrow
        self.assertEqual(nrow, expected_nrow, msg='Number of rows mismatch (expected %s actual %s)'%(expected_nrow, nrow))

        # verify data
        eps = 1.0e-6
        for key in data_out.keys():
            row_in = data_in[key]
            flg_in = flag_in[key]
            row_in[numpy.where(flg_in == True)] = 0.0
            row_out = data_out[key]
            self.assertEqual(row_in.shape, row_out.shape, msg='Shape mismatch in row %s'%(key))
            
            npol, nchan, _ = row_out.shape
            kernel_array = gaussian_kernel(nchan, kwidth)
            expected = numpy.convolve(row_in[0,:,0], kernel_array, mode='same')
            output = row_out[0,:,0]
            zero_index = numpy.where(numpy.abs(expected) <= eps)
            self.assertTrue(all(numpy.abs(output[zero_index]) < eps), msg='Failed to verify zero values: row %s'%(key))
            nonzero_index= numpy.where(numpy.abs(expected) > eps)
            diff = numpy.abs((output[nonzero_index] - expected[nonzero_index]) / expected[nonzero_index].max())
            #print diff
            #print output[nonzero_index]
            #print expected[nonzero_index]
            self.assertTrue(all(diff < eps), msg='Failed to verify nonzero values: row %s'%(key))
            #print 'row_in', row_in[0,:,0].tolist()
            #print 'gaussian', kernel_array.tolist()
            #print 'expected', expected.tolist() 
            #print 'result', row_out[0,:,0].tolist()
            
            # weight check if this is weight test
            if weight_mode is True:
                #print 'Weight propagation test'
                wgt_in = weight_in[key]
                wgt_out = weight_out[key]
                wkwidth = int(kwidth + 0.5)
                wkwidth += (1 if wkwidth % 2 == 0 else 0)
                half_width = wkwidth / 2
                peak_chan = kernel_array.argmax()
                start_chan = peak_chan - half_width
                wkernel = kernel_array[start_chan:start_chan+wkwidth].copy()
                wkernel /= sum(wkernel)
                weight_expected = wgt_in.copy()
                for ichan in xrange(half_width, nchan-half_width):
                    s = numpy.zeros(npol, dtype=float)
                    for jchan in xrange(wkwidth):
                        s += wkernel[jchan] * wkernel[jchan] / wgt_in[:,ichan-half_width+jchan,0]
                    weight_expected[:,ichan,0] = 1.0 / s
                #print weight_expected[:,:10]
                diff = numpy.abs((wgt_out - weight_expected) / weight_expected)
                self.assertTrue(all(diff.flatten() < eps), msg='Failed to verify spectral weight: row %s'%(key))
Example #18
0
 def run_test(self, sel_param, datacolumn):
     inparams = self._get_selection_string(sel_param)
     inparams.update(self.common_param)
     tsdsmooth(datacolumn=datacolumn, **inparams)
     self._test_result(inparams["outfile"], sel_param, datacolumn)
Example #19
0
    def run_test(self, *args, **kwargs):
        datacol_name = self.datacolumn.upper()

        if kwargs.has_key('kwidth'):
            kwidth = kwargs['kwidth']
        else:
            kwidth = 5

        self.result = tsdsmooth(infile=self.infile,
                                outfile=self.outfile,
                                kernel='gaussian',
                                datacolumn=self.datacolumn,
                                **kwargs)

        # sanity check
        self.assertIsNone(self.result,
                          msg='The task must complete without error')
        self.assertTrue(os.path.exists(self.outfile),
                        msg='Output file is not properly created.')

        if kwargs.has_key('spw'):
            spw = kwargs['spw']
        else:
            spw = ''
        dd_selection = None
        if len(spw) == 0:
            expected_nrow = 2
            with sdutil.tbmanager(self.infile) as tb:
                data_in = tb.getvarcol(datacol_name)
                flag_in = tb.getvarcol('FLAG')
        else:
            myms = gentools(['ms'])[0]
            a = myms.msseltoindex(self.infile, spw=spw)
            spw_selection = a['spw']
            dd_selection = a['dd']
            expected_nrow = len(spw_selection)
            with sdutil.tbmanager(self.infile) as tb:
                try:
                    tsel = tb.query('DATA_DESC_ID IN %s' %
                                    (dd_selection.tolist()))
                    data_in = tsel.getvarcol(datacol_name)
                    flag_in = tsel.getvarcol('FLAG')
                finally:
                    tsel.close()

        with sdutil.tbmanager(self.outfile) as tb:
            nrow = tb.nrows()
            data_out = tb.getvarcol(datacol_name)
            flag_out = tb.getvarcol('FLAG')

        # verify nrow
        self.assertEqual(
            nrow,
            expected_nrow,
            msg='Number of rows mismatch (expected %s actual %s)' %
            (expected_nrow, nrow))

        # verify data
        eps = 1.0e-6
        for key in data_out.keys():
            row_in = data_in[key]
            flg_in = flag_in[key]
            row_in[numpy.where(flg_in == True)] = 0.0
            row_out = data_out[key]
            self.assertEqual(row_in.shape,
                             row_out.shape,
                             msg='Shape mismatch in row %s' % (key))

            nchan = row_out.shape[1]
            kernel_array = gaussian_kernel(nchan, kwidth)
            expected = numpy.convolve(row_in[0, :, 0],
                                      kernel_array,
                                      mode='same')
            output = row_out[0, :, 0]
            zero_index = numpy.where(numpy.abs(expected) <= eps)
            self.assertTrue(all(numpy.abs(output[zero_index]) < eps),
                            msg='Failed to verify zero values: row %s' % (key))
            nonzero_index = numpy.where(numpy.abs(expected) > eps)
            diff = numpy.abs(
                (output[nonzero_index] - expected[nonzero_index]) /
                expected[nonzero_index].max())
            #print diff
            #print output[nonzero_index]
            #print expected[nonzero_index]
            self.assertTrue(all(diff < eps),
                            msg='Failed to verify nonzero values: row %s' %
                            (key))