Python TiggerSkyModel Examples

Example #1

File: pkgw.py Project: catherinezucker/pwpy

def meqmaker_compile_options():
    meqmaker = MeqMaker.MeqMaker(solvable=True,
                                 use_jones_inspectors=True,
                                 use_skyjones_visualizers=False,
                                 use_decomposition=False)

    if TiggerSkyModel is not None:
        tsm = [TiggerSkyModel()]
    else:
        tsm = []

    meqmaker.add_sky_models(tsm +
                            [central_point_source, fitsimage_sky, gridded_sky])
    meqmaker.add_sky_jones('dE', 'differential gains', [
        solvable_sky_jones.DiagRealImag('dE'),
        solvable_sky_jones.FullRealImag('dE'),
        solvable_sky_jones.DiagAmplPhase('dE')
    ])
    meqmaker.add_uv_jones('P', 'feed orientation', [feed_angle])
    meqmaker.add_uv_jones('B', 'bandpass', [
        solvable_jones.DiagRealImag('B'),
        solvable_jones.FullRealImag('B'),
        solvable_jones.DiagAmplPhase('B')
    ])
    meqmaker.add_uv_jones('G', 'receiver gains/phases', [
        solvable_jones.DiagRealImag('G'),
        solvable_jones.FullRealImag('G'),
        solvable_jones.DiagAmplPhase('G')
    ])
    meqmaker.add_vis_proc_module('IG', 'multiplicative IFR errors',
                                 [ifr_based_errors.IfrGains()])
    meqmaker.add_vis_proc_module('IC', 'additive IFR errors',
                                 [ifr_based_errors.IfrBiases()])

    TDLCompileOptions(*meqmaker.compile_options())
    return meqmaker

Example #2

File: turbo-sim.py Project: ska-sa/simulator

# these will show up in the menu automatically
from Siamese.OMS import gridded_sky
from Siamese.AGW import azel_sky
from Siamese.OMS import transient_sky
from Siamese.OMS import fitsimage_sky

## OMS: time to retire this one
#import Meow.LSM
#lsm = Meow.LSM.MeowLSM(include_options=False);

models = [gridded_sky, azel_sky, transient_sky, fitsimage_sky]
# ,lsm ];

try:
    from Siamese.OMS.tigger_lsm import TiggerSkyModel
    models.insert(0, TiggerSkyModel())
except:
    print 'Failure to import TiggerSkyModel module'
    print 'Is the location of Tigger defined in your PYTHONPATH environment variable?'
    pass

meqmaker.add_sky_models(models)

# now add optional Jones terms
# these will show up in the menu automatically

# Ncorr - correct for N
from Siamese.OMS import oms_n_inverse
meqmaker.add_sky_jones('Ncorr', 'n-term correction', oms_n_inverse)

# Z - ionosphere

Example #3

def enable_calibration(enable):
    meqmaker.use_decomposition_opt.show(not enable)
    if enable:
        meqmaker.use_decomposition_opt.set(False)


cal_toggle.when_changed(enable_calibration)

# specify available sky models
# these will show up in the menu automatically
from Calico.OMS import central_point_source
from Siamese.OMS import fitsimage_sky
from Siamese.OMS.tigger_lsm import TiggerSkyModel

meqmaker.add_sky_models(
    [TiggerSkyModel(), central_point_source, fitsimage_sky])

# now add optional Jones terms
# these will show up in the menu automatically

# E - beam
# add a fixed primary beam first
from Calico.OMS import wsrt_beams
from Calico.OMS import solvable_pointing_errors
meqmaker.add_sky_jones('E',
                       'primary beam', [wsrt_beams],
                       pointing=solvable_pointing_errors)
# then add differential gains
from Calico.OMS import solvable_sky_jones
meqmaker.add_sky_jones('dE', 'differential gains',
                       [solvable_sky_jones.FullRealImag('dE')])

Example #4

File: testing-sim.py Project: gitter-badger/meqtrees-cattery

# now load optional modules for the ME maker
from Meow import MeqMaker
meqmaker = MeqMaker.MeqMaker()

# specify available sky models
# these will show up in the menu automatically
from Siamese.OMS import gridded_sky
from Siamese.OMS import transient_sky
from Siamese.OMS import fitsimage_sky
import Meow.LSM
from Siamese.OMS.tigger_lsm import TiggerSkyModel
lsm = Meow.LSM.MeowLSM(include_options=False)

meqmaker.add_sky_models([
    gridded_sky, transient_sky, fitsimage_sky, lsm,
    TiggerSkyModel(verbose=2)
])

# now add optional Jones terms
# these will show up in the menu automatically

# Ncorr - correct for N
from Siamese.OMS import oms_n_inverse
meqmaker.add_sky_jones('Ncorr', 'n-term correction', oms_n_inverse)

# Z - ionosphere
from Siamese.OMS import oms_ionosphere
meqmaker.add_sky_jones('Z', 'ionosphere', oms_ionosphere)

# L - dipole projection
from Siamese.OMS import oms_dipole_projection