source: trunk/test/parkes-pol.py@ 2171

Last change on this file since 2171 was 1847, checked in by Malte Marquarding, 14 years ago

Add parallactify flag

  • Property svn:eol-style set to native
  • Property svn:executable set to *
  • Property svn:keywords set to Author Date Id Revision
File size: 1.5 KB
Line 
1#!/usr/bin/env python
2from asap import *
3
4import os
5outdir = "./output"
6if not os.path.exists(outdir):
7 os.mkdir(outdir)
8
9rcParams['verbose'] = 0
10rcParams['plotter.ganged'] = 0
11
12# Don't plot to the screen...
13del plotter
14plotter = asapplotter(False)
15
16print "Test of Parkes polarimetry (P484)"
17
18data_1665 = scantable('data/parkes-pol.rpf')
19data_1665.parallactify(True)
20data_1665.rotate_linpolphase(-45)
21data_1665.rotate_xyphase(-2)
22data_1665.set_unit('km/s')
23data_1665.set_freqframe('LSRK')
24
25# Look at the first scan
26selection = selector()
27selection.set_scans(0)
28data_1665.set_selection(selection)
29
30d1_5 = data_1665.copy()
31d1_7 = data_1665.copy()
32
33d1_7.set_restfreqs([1667.3590],'MHz')
34
35# Baseline both
36msk = d1_5.create_mask([-30,-25],[-5,0])
37d1_5.poly_baseline(msk,1)
38msk = d1_7.create_mask([-30,-25],[-5,0])
39d1_7.poly_baseline(msk,1)
40
41# merge the two scans back together into a new scantable
42plotscans = merge(d1_5,d1_7)
43print plotscans.summary()
44del d1_5,d1_7,data_1665
45# Plot the results
46plotter.set_mode('p','s')
47plotter.set_layout(2,1)
48plotter.set_range(-30,0)
49selection.reset()
50plotter.plot(plotscans)
51selection.set_polarisations(['I','Q', 'U', 'V'])
52plotter.set_selection(selection)
53plotter.save('output/parkes_iquv.png',dpi=80)
54selection.set_polarisations(['I','Plinear'])
55plotter.set_selection(selection)
56plotter.save('output/parkes_iplin.png',dpi=80)
57selection.set_polarisations(['RR','LL'])
58plotter.set_selection(selection)
59plotter.save('output/parkes_rrll.png',dpi=80)
60
61print "Parkes-Pol Test successful"
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