| 1 | #!/usr/bin/env python
|
|---|
| 2 | import os
|
|---|
| 3 | from asap import *
|
|---|
| 4 | from nose.tools import assert_almost_equals
|
|---|
| 5 | rcParams['verbose'] = 0
|
|---|
| 6 | rcParams['plotter.gui'] = 0
|
|---|
| 7 |
|
|---|
| 8 |
|
|---|
| 9 | DATA=os.path.join(os.path.split(__file__)[0], "..", "data",
|
|---|
| 10 | "mopra_dualif.rpf")
|
|---|
| 11 |
|
|---|
| 12 |
|
|---|
| 13 | class TestMopra(object):
|
|---|
| 14 | def setup(self):
|
|---|
| 15 | self.st = scantable(DATA)
|
|---|
| 16 |
|
|---|
| 17 | def _plotfit(self, scan, ifno):
|
|---|
| 18 | scan.set_selection(ifs=ifno)
|
|---|
| 19 | f = fitter()
|
|---|
| 20 | f.set_scan(scan)
|
|---|
| 21 | f.set_function(gauss=ifno+1) # fit gaussian(s)
|
|---|
| 22 | f.fit()
|
|---|
| 23 | f.plot(filename='output/moprafit_if%d.png' % ifno)
|
|---|
| 24 | fp = f.get_parameters()
|
|---|
| 25 | assert True
|
|---|
| 26 |
|
|---|
| 27 | def test_reduction(self):
|
|---|
| 28 | restfreqs = [110.201, 86.243] # 13CO-1/0, SiO the two IF
|
|---|
| 29 | self.st.set_restfreqs(restfreqs,"GHz")
|
|---|
| 30 | q = self.st.auto_quotient()
|
|---|
| 31 | q.set_unit("km/s") # set the unit to be used from now on
|
|---|
| 32 | q.set_freqframe("LSRK") # set frequency frame
|
|---|
| 33 | q.auto_poly_baseline(insitu=True) # determine and subtract a poly
|
|---|
| 34 | # baseline automatically
|
|---|
| 35 | q.convert_flux() # K -> Jy
|
|---|
| 36 | msk = q.create_mask([-70,20], [20,70]) # line free region - two windows
|
|---|
| 37 | rms = q.stats("rms", msk)
|
|---|
| 38 | med = q.stats("median", msk)
|
|---|
| 39 | regrms = [35.801266, 38.808666]
|
|---|
| 40 | regmed = [1.197934, 2.593804]
|
|---|
| 41 | for i in range(len(rms)):
|
|---|
| 42 | assert_almost_equals(rms[i], regrms[i], 6)
|
|---|
| 43 | assert_almost_equals(med[i], regmed[i], 6)
|
|---|
| 44 |
|
|---|
| 45 | for ifno in q.getifnos():
|
|---|
| 46 | self._plotfit(q, ifno)
|
|---|
