Last change
on this file since 2680 was 2676, checked in by Malte Marquarding, 12 years ago |
Add inital estimate for fit
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File size:
1.2 KB
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1 | #!/usr/bin/env python
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2 | import os
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3 | from asap import *
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4 | from nose.tools import assert_almost_equals
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5 | rcParams['verbose'] = 0
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6 | rcParams['plotter.gui'] = 0
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7 | # HOBART specific
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8 | rcParams["scantable.reference"] = ".*(e|w|_R|\+R|\-R)$"
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9 |
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10 | if not os.path.exists("output"):
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11 | os.makedirs("output")
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12 |
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13 | DATA=os.path.join(os.path.split(__file__)[0], "..", "data",
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14 | "hobart.rpf")
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15 |
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16 | class TestHobart(object):
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17 | def setup(self):
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18 | self.st = scantable(DATA)
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19 |
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20 | def _plotfit(self, scan, polno):
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21 | scan.set_selection(pols=[polno])
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22 | f = fitter()
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23 | f.set_scan(scan)
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24 | f.set_function(gauss=1) # fit gaussian(s)
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25 | f.set_parameters(params=[2,11,1])
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26 | f.fit()
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27 | f.plot(filename='output/hobartfit_pol%d.png' % polno)
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28 | fp = f.get_parameters()
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29 | assert True
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30 |
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31 | def test_reduction(self):
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32 | q = self.st.auto_quotient()
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33 | q.set_unit("km/s") # set the unit to be used from now on
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34 | q.set_freqframe("LSRK") # set frequency frame
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35 | q.auto_poly_baseline(insitu=True, order=1)
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36 | q.set_selection(scans=[0])
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37 | for polno in q.getpolnos():
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38 | self._plotfit(q, polno)
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