| 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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