1 | #!/usr/bin/env python |
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2 | from asap import * |
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3 | |
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4 | rcParams['verbose'] = 0 |
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5 | |
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6 | # Don't plot to the screen... |
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7 | del plotter |
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8 | plotter = asapplotter(False) |
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9 | |
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10 | print "Test of Parkes polarimetry (P484)" |
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11 | |
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12 | data_1665 = scantable('data/parkes-pol.rpf') |
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13 | data_1665.rotate_linpolphase(-45) |
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14 | data_1665.rotate_xyphase(-2) |
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15 | data_1665.set_unit('km/s') |
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16 | data_1665.set_freqframe('LSRK') |
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17 | |
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18 | # Make a copy for the 1667 transition |
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19 | data_1667 = data_1665.copy() |
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20 | data_1667.set_restfreqs(lines = ['OH1667']) |
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21 | data_1667.set_unit('km/s') |
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22 | data_1667.set_freqframe('LSRK') |
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23 | |
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24 | |
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25 | # Look at the first scan |
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26 | d1_5 = data_1665.get_scan(0) |
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27 | d1_7 = data_1667.get_scan(0) |
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28 | |
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29 | # Baseline |
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30 | msk = d1_5.create_mask([-30,-25],[-5,0]) |
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31 | d1_5.poly_baseline(msk,1) |
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32 | msk = d1_7.create_mask([-30,-25],[-5,0]) |
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33 | d1_7.poly_baseline(msk,1) |
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34 | |
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35 | # Plot the results |
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36 | plotter.plot(d1_5,d1_7) |
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37 | plotter.set_mode('p','s') |
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38 | plotter.set_layout(2,1) |
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39 | plotter.set_range(-30,0) |
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40 | plotter.set_cursor(pol=['I','Q','U','V']) |
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41 | plotter.set_cursor(pol=['I','Plinear']) |
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42 | plotter.set_cursor(pol=['RR','LL']) |
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43 | plotter.save('output/parkes_rrll.png') |
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44 | |
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45 | print "Parkes-Pol Test successful" |
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