Exemplo n.º 1
0
 def __init__(self, ms, pred_path, fpath, pset_loc):
     self.ms = ms
     self.DEBUG = False
     self.pred_path = pred_path 
     self.fpath = fpath
     self.pset_loc = pset_loc
     self.log = jp.Locker(fpath+'log')
Exemplo n.º 2
0
def main(fpath, redsteps, nlist):
    logger = jp.Locker(fpath + 'log')
    logger.add_calls('quality_check')

    dirlist = rebuild_dirlist(redsteps, nlist)
    rms = []
    maxmin = []
    snrs = []
    for run in dirlist:
        try:
            data = fits.getdata(fpath + run + '/ws-image.fits')[0, 0, :, :]
        except:
            data = fits.getdata(fpath + run + '/ws-MFS-image.fits')[0, 0, :, :]
        rms.append(calcrms(data))
        maxmin.append(max_min(data))
        snrs.append(snr(data))
    copy_images(fpath, redsteps)

    logger.rms = rms
    logger.maxmin = maxmin
    logger.snrs = snrs

    plotter('RMS', dirlist, rms, fpath + 'rms.pdf')
    plotter('I_max/I_min', dirlist, maxmin, fpath + 'maxmin.pdf')
    plotter('Signal to noise (max/rms)', dirlist, snrs, fpath + 'snr.pdf')

    logger.save()
Exemplo n.º 3
0
 def __init__(self, n, ms, fpath, pset_loc='./'):
     self.n = n
     self.ms = ms
     self.fpath = fpath
     self.initialized = False
     self.pset_loc = pset_loc
     self.log = jp.Locker(fpath + 'log')
     self.DEBUG = False
     assert fpath[-1] == '/'
     assert ms[-1] == '/'
     assert pset_loc[-1] == '/'
Exemplo n.º 4
0
 def __init__(self, n, ms, fpath, pset_loc = './', predict_path = './model.fits'):
     self.ms = ms
     self.fpath = fpath
     self.initialized = False
     self.pset_loc = pset_loc
     self.log = jp.Locker(fpath+'log')
     self.predict_path = predict_path
     self.DEBUG = False
     assert fpath[-1] == '/'
     assert ms[-1] == '/'
     assert pset_loc[-1] == '/'
     assert n == 1
Exemplo n.º 5
0
def main(parsed, cwd):
    os.environ['OMP_NUM_THREADS'] = '1'
    if parsed.s == 'h':
        print('''
            The following reduction steps have (so far) been implemented:
            p  |   Phase only calibration
            d  |   Diagonal calibration, meaning one phase and one diagonal calibration
            t  |   TEC calibration for the ionosphere, basically a constraint on the
               |   phase-only calibration
            u  |   Phase-up: mash all short baselines together to one single base station
               |   Requires a model.
            m  |   Predict using a new model - requires a model
            a  |   Solve for both TEC and Phase at the same time 
            l  |   Apply lin2circ: converts from linear to circular basis
            _____________________________________________________________________________
        ''')

    # Load the sequence of reductions
    redsteps = list(parsed.s)
    uni_redsteps = np.unique(redsteps)
    nlist = np.zeros(len(redsteps))
    for chara in uni_redsteps:
        mask = chara == np.asarray(redsteps)
        nlist[mask] = np.arange(1, int(1 + sum(mask)))

    if 'u' in redsteps and not parsed.y:
        print(
            "This reduction strings contains a phase-up. Phase-ups are destructive - so please make sure that you have backed your system up. Type 'ok' to continue: "
        )
        ans = raw_input()
        if ans != 'ok':
            sys.exit()

    if 'u' in redsteps or 'm' in redsteps:
        assert parsed.m != None

    # Load all ms
    if parsed.multims:
        mslist = [parsed.ms + ms + '/' for ms in os.listdir(parsed.ms)]
    else:
        mslist = [parsed.ms]

    pool = mp.Pool(4)  # Maybe make this a function or something?
    # Perform the reductions
    # TODO: need to fix all the necessary reductions, at least 'd' and 'm'
    for red, n in zip(redsteps, nlist):
        n = int(n)
        if red == 'p':
            callist = [
                pc.PhaseCalibrator(n, ms, parsed.p, '{}/parsets/'.format(cwd))
                for ms in mslist
            ]
            pool.map(executeCalibration, callist)
            imgcall = callist[0].prep_img()
            imgcall += ' '.join(mslist)
            callist[0].pickle_and_call(imgcall)
        elif red == 'd':
            callist = [
                dc.DiagonalCalibrator(n, ms, parsed.p,
                                      '{}/parsets/'.format(cwd))
                for ms in mslist
            ]
            pool.map(executeCalibration, callist)
            callist[0].run_img(mslist)
        elif red == 't':
            callist = [
                tc.TecCalibrator(n, ms, parsed.p, '{}/parsets/'.format(cwd))
                for ms in mslist
            ]
            pool.map(executeCalibration, callist)
            imgcall = callist[0].prep_img()
            imgcall += ' '.join(mslist)
            callist[0].pickle_and_call(imgcall)
        elif red == 'u':
            for ms in mslist:
                cal = pu.PhaseUp(n, ms, parsed.p, '{}/parsets/'.format(cwd),
                                 parsed.m)
                cal.initialize()
                cal.execute()
        elif red == 'm':
            callist = [
                pr.Predictor(ms, parsed.m, parsed.p, '{}/parsets/'.format(cwd))
                for ms in mslist
            ]
            pool.map(executePredict, callist)
        elif red == 'a':
            callist = [
                tp.TecPhaseCalibrator(n, ms, parsed.p,
                                      '{}/parsets/'.format(cwd))
                for ms in mslist
            ]
            pool.map(executeCalibration, callist)
            imgcall = callist[0].prep_img()
            imgcall += ' '.join(mslist)
            callist[0].pickle_and_call(imgcall)
        elif red == 'l':
            callist = [
                lc.LinToCirc(n, ms, parsed.p, '{}/parsets/'.format(cwd))
                for ms in mslist
            ]
            pool.map(executeCalibration, callist)
        else:
            print("Reduction step {} not implemented".format(red))
        if parsed.d:
            cal.DEBUG = True
        #if not parsed.multims:
        #    cal.initialize()
        #    cal.execute()

    qc.main(parsed.p, redsteps, nlist)

    log = jp.Locker(parsed.p + 'log')
    log['ms'] = parsed.ms
    log['last_edit'] = datetime.datetime.now().strftime("%Y_%m_%d_%H_$M")
    log.save()