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casa
$Rev:20696$
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casa
$Rev:20696$
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Public Member Functions | |
| def | __init__ |
| def | open |
| def | openfromms |
| def | close |
| def | done |
| def | name |
| def | summary |
| def | type |
| def | settimes |
| def | observe |
| def | observemany |
| def | setlimits |
| def | setauto |
| def | setconfig |
| def | setknownconfig |
| def | setfeed |
| def | setfield |
| def | setmosaicfield |
| def | setspwindow |
| def | setdata |
| def | predict |
| def | setoptions |
| def | setvp |
| def | corrupt |
| def | reset |
| def | setbandpass |
| def | setapply |
| def | setgain |
| def | settrop |
| def | setpointingerror |
| def | setleakage |
| def | oldsetnoise |
| def | setnoise |
| def | setpa |
| def | setseed |
Public Attributes | |
| this | |
Static Private Attributes | |
| dictionary | __swig_setmethods__ |
| tuple | __setattr__ |
| dictionary | __swig_getmethods__ |
| tuple | __getattr__ |
| __repr__ | |
| __swig_destroy__ | |
| __del__ | |
Proxy of C++ casac::simulator class
Definition at line 70 of file simulator.py.
| def __casac__.simulator.simulator.__init__ | ( | self | ) |
__init__(self) -> simulator
Definition at line 77 of file simulator.py.
| def __casac__.simulator.simulator.close | ( | self | ) |
close(self) -> bool Summary Close the newsimulator tool --------------------------------------------------------------------------------
Definition at line 114 of file simulator.py.
| def __casac__.simulator.simulator.corrupt | ( | self | ) |
corrupt(self) -> bool Summary Corrupt the data with visibility errors --------------------------------------------------------------------------------
Definition at line 488 of file simulator.py.
| def __casac__.simulator.simulator.done | ( | self | ) |
done(self) -> bool Summary Close the newsimulator tool --------------------------------------------------------------------------------
Definition at line 125 of file simulator.py.
| def __casac__.simulator.simulator.name | ( | self | ) |
name(self) -> string Summary Provide the name of the attached MeasurementSet --------------------------------------------------------------------------------
Definition at line 136 of file simulator.py.
| def __casac__.simulator.simulator.observe | ( | self, | |
| args, | |||
| kwargs | |||
| ) |
observe(self, sourcename=string(""), spwname=string(""), starttime=initialize_variant("0s"), stoptime=initialize_variant("3600s"),
add_observation=False, state_sig=True,
state_ref=False, state_cal=0.0, state_load=0.0, state_sub_scan=0, state_obs_mode=string("OBSERVE_TARGET.ON_SOURCE"),
observer=string("CASA simulator"),
project=string("CASA simulation")) -> bool
Summary
Observe a given configuration
Input Parameters:
sourcename Name of source or field (must be specified) None
spwname Unique user-supplied name for this spectral window None
starttime Start time referenced to referenceepoch 0s
stoptime Stop time referenced to referenceepoch 3600s
add_observation Add a new line to the OBSERVATION subtable for this call false
state_sig a new line will be added to STATE if the following don't match true
state_ref false
state_cal 0.0
state_load 0.0
state_sub_scan 0
state_obs_mode OBSERVE_TARGET.ON_SOURCE
observer CASA simulator
project CASA simulation
--------------------------------------------------------------------------------Definition at line 186 of file simulator.py.
| def __casac__.simulator.simulator.observemany | ( | self, | |
| args, | |||
| kwargs | |||
| ) |
observemany(self, sourcenames=std::vector< string >(1, ""), spwname=string(""), starttimes=std::vector< string >(1, ""),
stoptimes=std::vector< string >(1, ""), directions=std::vector< string >(1, ""),
add_observation=False, state_sig=True, state_ref=False,
state_cal=0.0, state_load=0.0, state_sub_scan=0, state_obs_mode=string("OBSERVE_TARGET.ON_SOURCE"),
observer=string("CASA simulator"), project=string("CASA simulation")) -> bool
Summary
Observe a given configuration
Input Parameters:
sourcenames Name of sources None
spwname Unique user-supplied name for this spectral window None
starttimes Start times referenced to referenceepoch 0s
stoptimes Stop time referenced to referenceepoch 3600s
directions
add_observation Add a new line to the OBSERVATION subtable for this call false
state_sig a new line will be added to STATE if the following don't match true
state_ref false
state_cal 0.0
state_load 0.0
state_sub_scan 0
state_obs_mode OBSERVE_TARGET.ON_SOURCE
observer CASA simulator
project CASA simulation
--------------------------------------------------------------------------------Definition at line 217 of file simulator.py.
| def __casac__.simulator.simulator.oldsetnoise | ( | self, | |
| args, | |||
| kwargs | |||
| ) |
oldsetnoise(self, mode=string("calculate"), table=string(""), simplenoise=initialize_variant("0.0Jy"),
antefficiency=0.8, correfficiency=0.85, spillefficiency=0.85, tau=0.1,
trx=50, tatmos=230.0, tcmb=2.7) -> bool
Summary
Set the noise level fixed sigma (mode=simplenoise) or
Brown's equation (mode=calculate) OBSOLETE VERSION
Input Parameters:
mode Mode of operation. String: 'simplenoise'|'calculate' calculate 'simplenoise' 'calculate'
table Name of noise table - not currently implemented ''
simplenoise Level of noise if simplenoise 0.0Jy
antefficiency antenna efficiency 0.8 0.8
correfficiency Correlation efficiency 0.85 0.85
spillefficiency Forward spillover efficiency 0.85 0.85
tau Atmospheric Opacity 0.1 0.1
trx Receiver temp (ie, all non-atmospheric Tsys contributions) [K] 50 50
tatmos (Physical, not Brightness) Temperature of atmosphere [K] 230.0 230.0
tcmb Temperature of cosmic microwave background [K] 2.7 2.7
--------------------------------------------------------------------------------Definition at line 628 of file simulator.py.
| def __casac__.simulator.simulator.open | ( | self, | |
| args, | |||
| kwargs | |||
| ) |
open(self, ms=string("")) -> bool
Summary
Construct a simulator tool and creating a new MeasurementSet
Input Parameters:
ms MeasurementSet to be created
--------------------------------------------------------------------------------Definition at line 84 of file simulator.py.
| def __casac__.simulator.simulator.openfromms | ( | self, | |
| args, | |||
| kwargs | |||
| ) |
openfromms(self, ms=string("")) -> bool
Summary
Construct a simulator tool using an already existing MS
Input Parameters:
ms MeasurementSet to be processed 'MS'
--------------------------------------------------------------------------------Definition at line 99 of file simulator.py.
| def __casac__.simulator.simulator.predict | ( | self, | |
| args, | |||
| kwargs | |||
| ) |
predict(self, imagename=std::vector< string >(1, ""), complist=string(""), incremental=False) -> bool
Summary
Predict astronomical data from an image
Input Parameters:
imagename Name of image from which to predict visibilities
complist Name of component list String
incremental Add this model to the existing Data Visibilities? false
--------------------------------------------------------------------------------Definition at line 425 of file simulator.py.
| def __casac__.simulator.simulator.reset | ( | self | ) |
reset(self) -> bool Summary Reset the corruption terms --------------------------------------------------------------------------------
Definition at line 499 of file simulator.py.
| def __casac__.simulator.simulator.setapply | ( | self, | |
| args, | |||
| kwargs | |||
| ) |
setapply(self, table=string(""), type=string(""), t=0.0, field=initialize_variant(""), interp=string("linear"),
select=string(""), calwt=False, spwmap=initialize_vector(1, (int)-1),
opacity=0.0) -> bool
Summary
Arrange for corruption by existing cal tables
Input Parameters:
table Calibration table name
type Component type B BPOLY G GSPLINE D P T TOPAC GAINCURVE
t Interpolation interval (seconds) 0.0
field Select on field
interp Interpolation type (in time) aipslin nearest linear
select TAQL selection string. Default is no selection.
calwt Calibrate weights? false
spwmap Spectral windows to apply -1
opacity Array-wide zenith opacity (for type='TOPAC') 0.0
--------------------------------------------------------------------------------Definition at line 529 of file simulator.py.
| def __casac__.simulator.simulator.setauto | ( | self, | |
autocorrwt = 0.0 |
|||
| ) |
setauto(self, autocorrwt=0.0) -> bool Summary Set autocorrelation weight Input Parameters: autocorrwt Weight to assign autocorrelations (0=none) 0.0 0.0 --------------------------------------------------------------------------------
Definition at line 265 of file simulator.py.
| def __casac__.simulator.simulator.setbandpass | ( | self, | |
| args, | |||
| kwargs | |||
| ) |
setbandpass(self, mode=string("calculate"), table=string(""), interval=initialize_variant("3600s"),
amplitude=initialize_vector(1, (double)0.0)) -> bool
Summary
Set the bandpasses
Input Parameters:
mode Mode of operation. String: 'calculate'|'table' calculate 'calculate'
table Name of table ''
interval Coherence interval e.g. '1h' 3600s
amplitude Variances errors in amplitude and phase 0.0
--------------------------------------------------------------------------------Definition at line 510 of file simulator.py.
| def __casac__.simulator.simulator.setconfig | ( | self, | |
| args, | |||
| kwargs | |||
| ) |
setconfig(self, telescopename=string("VLA"), x=initialize_vector(1, (double)0), y=initialize_vector(1, (double)0),
z=initialize_vector(1, (double)0), dishdiameter=initialize_vector(1, (double)0),
offset=initialize_vector(1, (double)0), mount=std::vector< string >(1, ""),
antname=std::vector< string >(1, ""), padname=std::vector< string >(1, ""),
coordsystem=string("global"), referencelocation=initialize_variant("ALMA")) -> bool
Summary
Set the antenna configuration
Input Parameters:
telescopename Name of the telescope we are simulating (determines VP) VLA 'VLA'
x Vector of x values of all antennas [currently m] 0 []
y Vector of y values of all antennas [currently m] 0 []
z Vector of z values of all antennas [currently m] 0 []
dishdiameter Vector of diameters of all antennas [currently m] 0 []
offset Vector of offset of all antennas [currently m] 0 []
mount Vector of mount types of all antennas (recognized mounts are 'ALT-AZ', 'EQUATORIAL', 'X-Y', 'ORBITING', 'BIZARRE' ALT-AZ []
antname Vector of names of all antennas A []
padname Vector of names of pads or stations P []
coordsystem Coordinate system of antenna positions [x,y,z], possibilities are 'global', 'local' , 'longlat' global 'global'
referencelocation Reference location [required for local coords] Position Measure of Coordinates of array location. E.g me.position('ITRF', '30.5deg', -20.2deg', 6000km') or me.observatory('ALMA') ALMA position measure
--------------------------------------------------------------------------------Definition at line 280 of file simulator.py.
| def __casac__.simulator.simulator.setdata | ( | self, | |
| args, | |||
| kwargs | |||
| ) |
setdata(self, spwid=initialize_vector(1, (int)0), fieldid=initialize_vector(1, (int)0), msselect=string("")) -> bool
Summary
Set the data parameters selection for subsequent processing
Input Parameters:
spwid Spectral Window Ids (0 relative) to select 0
fieldid Field Ids (0 relative) to select 0
msselect TQL select string applied as a logical 'and' with the other selections String
--------------------------------------------------------------------------------Definition at line 408 of file simulator.py.
| def __casac__.simulator.simulator.setfeed | ( | self, | |
| args, | |||
| kwargs | |||
| ) |
setfeed(self, mode=string(""), x=initialize_vector(1, (double)0), y=initialize_vector(1, (double)0),
pol=std::vector< string >(1, "")) -> bool
Summary
Set the feed parameters
Input Parameters:
mode Mode for specifying feed parameters (currently, perfect only)
x Some very secretive feed array parameter x 0
y Some more very secretive feed array parameter y 0
pol Guess its the polarization of feed arrays... your guess is as good as mine....if you know better let us know please ! R
--------------------------------------------------------------------------------Definition at line 325 of file simulator.py.
| def __casac__.simulator.simulator.setfield | ( | self, | |
| args, | |||
| kwargs | |||
| ) |
setfield(self, sourcename=string("SOURCE"), sourcedirection=initialize_variant(""), calcode=string(""),
distance=initialize_variant("0m")) -> bool
Summary
Set one or more observed fields
Input Parameters:
sourcename Name of source or field (must be specified) SOURCE 'unknown'
sourcedirection Direction Measure of Coordinates of source to be observed. E.g me.direction('J2000', '30.5deg','-20.2deg').
calcode Calibration code 'OBJ'
distance Distance to the object 0m
--------------------------------------------------------------------------------Definition at line 344 of file simulator.py.
| def __casac__.simulator.simulator.setgain | ( | self, | |
| args, | |||
| kwargs | |||
| ) |
setgain(self, mode=string("fbm"), table=string(""), interval=initialize_variant("10s"), amplitude=initialize_vector(1, (double)0.01)) -> bool
Summary
Set the gains
Input Parameters:
mode Mode of operation. String: 'fbm' fbm 'fbm'
table Optional name of table to write ''
interval timescale for gain variations NOT USED 10s
amplitude amplitude scale (RMS) for gain variations [real,imag] or scalar 0.01 []
--------------------------------------------------------------------------------Definition at line 554 of file simulator.py.
| def __casac__.simulator.simulator.setknownconfig | ( | self, | |
| args, | |||
| kwargs | |||
| ) |
setknownconfig(self, arrayname=string("VLA")) -> bool
Summary
Set the antenna configuration to a
known array
Input Parameters:
arrayname Name of the telescope configurationwe are simulating VLA 'VLA'
--------------------------------------------------------------------------------Definition at line 309 of file simulator.py.
| def __casac__.simulator.simulator.setleakage | ( | self, | |
| args, | |||
| kwargs | |||
| ) |
setleakage(self, mode=string("constant"), table=string(""), amplitude=initialize_vector(1, (double)0.01),
offset=initialize_vector(1, (double)0.)) -> bool
Summary
Set the polarization leakage
Input Parameters:
mode Mode of operation. String: 'constant' constant 'constant'
table Optional name of table to write ''
amplitude Magnitude of pol leakage [real,imag] 0.01 []
offset Meam of pol leakage [real,imag] 0. []
--------------------------------------------------------------------------------Definition at line 609 of file simulator.py.
| def __casac__.simulator.simulator.setlimits | ( | self, | |
| args, | |||
| kwargs | |||
| ) |
setlimits(self, shadowlimit=1e-6, elevationlimit=initialize_variant("10deg")) -> bool
Summary
Set limits for observing
Input Parameters:
shadowlimit Maximum fraction of geometrically shadowed area before flagging occurs 1e-6 1e-6
elevationlimit Minimum elevation angle before flagging occurs 10deg
--------------------------------------------------------------------------------Definition at line 249 of file simulator.py.
| def __casac__.simulator.simulator.setmosaicfield | ( | self, | |
| args, | |||
| kwargs | |||
| ) |
setmosaicfield(self, sourcename=string("SOURCE"), calcode=string(""), fieldcenter=initialize_variant(""),
xmosp=1, ymosp=1, mosspacing=initialize_variant("1arcsec"), distance=initialize_variant("0m")) -> bool
Summary
Set observed mosaic fields
Input Parameters:
sourcename Name of source or field (must be specified). SOURCE 'unknown'
calcode Calibration code ''
fieldcenter Coordinates of mosaic field center MDirection
xmosp Number of mosaic pointing in horizontal direction 1
ymosp Number of mosaic pointing in vertical direction 1
mosspacing Spacing between mosaic pointings 1arcsec
distance Distance to the object 0m
--------------------------------------------------------------------------------Definition at line 363 of file simulator.py.
| def __casac__.simulator.simulator.setnoise | ( | self, | |
| args, | |||
| kwargs | |||
| ) |
setnoise(self, mode=string("simplenoise"), table=string(""), simplenoise=initialize_variant("0.1Jy"),
pground=initialize_variant("560mbar"), relhum=20.0, altitude=initialize_variant("5000m"),
waterheight=initialize_variant("200m"), pwv=initialize_variant("1mm"),
tatmos=250.0, tau=0.1, antefficiency=0.8, spillefficiency=0.85,
correfficiency=0.88, trx=50, tground=270.0, tcmb=2.73, OTF=True, senscoeff=0.,
rxtype=0) -> bool
Summary
Set the noise level fixed sigma (mode=simplenoise) or
Brown's equation using the ATM model for frequency-dependent atmospheric
opacity (mode=tsys-atm) or Brown's equation, manually specifying the zenith
opacity (constant across the band) and atmospheric temperature
(mode=tsys-manual)
Input Parameters:
mode Mode of operation. simplenoise 'simplenoise' 'tsys-atm' 'tsys-manual'
table Name of optional cal table to write ''
simplenoise Level of noise if not calculated 0.1Jy
pground Ground pressure for ATM model (if tsys-atm) 560mbar
relhum ground relative humidity for ATM model (if tsys-atm) 20.0
altitude site altitude for ATM model (if tsys-atm) 5000m
waterheight Height of water layer for ATM model (if tsys-atm) 200m
pwv Precipitable Water Vapor ATM model (if tsys-atm) 1mm
tatmos Temperature of atmosphere [K] (if tsys-manual) 250.0
tau Zenith Atmospheric Opacity (if tsys-manual) 0.1
antefficiency Antenna efficiency 0.8
spillefficiency Forward spillover efficiency 0.85
correfficiency Correlation efficiency 0.88
trx Receiver temp (ie, all non-atmospheric Tsys contributions) [K] 50
tground Temperature of ground/spill [K] 270.0
tcmb Temperature of cosmic microwave background [K] 2.73
OTF calculate noise on-the-fly (WARNING: only experts with high-RAM machines should use False) true
senscoeff sensitivity constant (1./sqrt(2) for interferometer [default]; 1. for total power) 0.
rxtype Receiver type; 0=2SB, 1=DSB e.g. ALMA B9 0
--------------------------------------------------------------------------------Definition at line 655 of file simulator.py.
| def __casac__.simulator.simulator.setoptions | ( | self, | |
| args, | |||
| kwargs | |||
| ) |
setoptions(self, ftmachine=string("ft"), cache=0, tile=16, gridfunction=string("SF"), location=initialize_variant("ALMA"),
padding=1.3, facets=1, maxdata=2000.0, wprojplanes=1) -> bool
Summary
Set various processing options
Input Parameters:
ftmachine Fourier transform machine. Possibilities are 'ft', 'sd' ft 'ft'
cache Size of gridding cache in complex pixels 0
tile Size of a gridding tile in pixels (in 1 dimension) 16
gridfunction Gridding function. String: 'SF'|'BOX'|'PB' SF 'SF'
location Location used in phase rotations. Position Measure of Coordinates of array location. E.g me.position('ITRF', '30.5deg', '-20.2deg', '6000km') or me.observatory('ALMA') ALMA position measure
padding Padding factor in image plane (>=1.0) 1.3
facets Number of facets 1
maxdata Maximum data to write to a single TSM file (MB) 2000.0
wprojplanes Number of projection planes when using wproject as the ft-machine 1
--------------------------------------------------------------------------------Definition at line 442 of file simulator.py.
| def __casac__.simulator.simulator.setpa | ( | self, | |
| args, | |||
| kwargs | |||
| ) |
setpa(self, mode=string("calculate"), table=string(""), interval=initialize_variant("10s")) -> bool
Summary
Corrupt phase by the parallactic angle
Input Parameters:
mode Mode of operation. String: 'calculate'|'table' calculate 'calculate'
table Name of table ''
interval Interval for parallactic angle application, e.g. '10s' 10s
--------------------------------------------------------------------------------Definition at line 697 of file simulator.py.
| def __casac__.simulator.simulator.setpointingerror | ( | self, | |
| args, | |||
| kwargs | |||
| ) |
setpointingerror(self, epjtablename=string(""), applypointingoffsets=False, dopbcorrection=False) -> bool
Summary
Set the Pointing error
Input Parameters:
epjtablename Name of a table that has E-Jones errors for Pointing
applypointingoffsets Apply pointing offsets false
dopbcorrection apply primary beam correction false
--------------------------------------------------------------------------------Definition at line 592 of file simulator.py.
| def __casac__.simulator.simulator.setseed | ( | self, | |
seed = 185349251 |
|||
| ) |
setseed(self, seed=185349251) -> bool Summary Set the seed for the random number generator Input Parameters: seed Seed 185349251 185349251 --------------------------------------------------------------------------------
Definition at line 714 of file simulator.py.
| def __casac__.simulator.simulator.setspwindow | ( | self, | |
| args, | |||
| kwargs | |||
| ) |
setspwindow(self, spwname=string("XBAND"), freq=initialize_variant("8.0e9Hz"), deltafreq=initialize_variant("50e6Hz"),
freqresolution=initialize_variant("50.e6Hz"), refcode=string("TOPO"),
nchannels=1, stokes=string("RR LL")) -> bool
Summary
Set one or more spectral windows
Input Parameters:
spwname Unique user-supplied name for this spectral window XBAND 'XBAND'
freq Starting frequency 8.0e9Hz
deltafreq Frequency increment per channel 50e6Hz
freqresolution Frequency resolution per channel 50.e6Hz
refcode Spectral reference code e.g. LSRK, TOPO, BARY TOPO LSRK LSRD BARY GEO TOPO GALACTO LGROUP CMB
nchannels Number of channels 1
stokes Stokes types to simulate RR LL 'RR LL'
--------------------------------------------------------------------------------Definition at line 385 of file simulator.py.
| def __casac__.simulator.simulator.settimes | ( | self, | |
| args, | |||
| kwargs | |||
| ) |
settimes(self, integrationtime=initialize_variant("10s"), usehourangle=True, referencetime=initialize_variant("50000.0d")) -> bool
Summary
Set integration time, {em etc.}
Input Parameters:
integrationtime Integration time 10s
usehourangle Use starttime/stoptime as hour angles - else they are referenced to referencetime true
referencetime Reference time for starttime and stoptime. Epoch Measure . E.g me.epoch('UTC', '50000.0d') 50000.0d epoch measure
--------------------------------------------------------------------------------Definition at line 169 of file simulator.py.
| def __casac__.simulator.simulator.settrop | ( | self, | |
| args, | |||
| kwargs | |||
| ) |
settrop(self, mode=string("screen"), table=string(""), pwv=3.0, deltapwv=0.15, beta=1.1, windspeed=7.) -> bool
Summary
Set tropospheric gain corruptions
Input Parameters:
mode Mode of operation - screen or individual antennas screen 'screen'
table Name of cal table ''
pwv total precipitable water vapour in mm 3.0
deltapwv RMS PWV fluctuations *as a fraction of PWV parameter* 0.15
beta exponent of fractional brownian motion 1.1
windspeed wind speed for screen type corruption (m/s) 7.
--------------------------------------------------------------------------------Definition at line 572 of file simulator.py.
| def __casac__.simulator.simulator.setvp | ( | self, | |
| args, | |||
| kwargs | |||
| ) |
setvp(self, dovp=True, usedefaultvp=True, vptable=string(""), dosquint=True, parangleinc=initialize_variant("360deg"),
skyposthreshold=initialize_variant("180deg"), pblimit=1.0e-2) -> bool
Summary
Set the voltage pattern model for subsequent processing
Input Parameters:
dovp Multiply by the voltage pattern (ie, primary beam) when simulating true
usedefaultvp Look up the default VP for this telescope and frequency? true
vptable If usedefaultvp is false, provide a VP Table made with vpmanager Table
dosquint Activate the beam squint in the VP model true
parangleinc Parallactice angle increment for squint application 360deg
skyposthreshold Position threshold on the sky for feed arrays ?? 180deg
pblimit Primary beam limit to use in feed arrays ? 1.0e-2
--------------------------------------------------------------------------------Definition at line 466 of file simulator.py.
| def __casac__.simulator.simulator.summary | ( | self | ) |
summary(self) -> bool Summary Summarize the current state --------------------------------------------------------------------------------
Definition at line 147 of file simulator.py.
| def __casac__.simulator.simulator.type | ( | self | ) |
type(self) -> string Summary Return the type of this tool --------------------------------------------------------------------------------
Definition at line 158 of file simulator.py.
__casac__.simulator.simulator.__del__ [static, private] |
Definition at line 83 of file simulator.py.
tuple __casac__.simulator.simulator.__getattr__ [static, private] |
Definition at line 75 of file simulator.py.
__casac__.simulator.simulator.__repr__ [static, private] |
Definition at line 76 of file simulator.py.
tuple __casac__.simulator.simulator.__setattr__ [static, private] |
Definition at line 73 of file simulator.py.
__casac__.simulator.simulator.__swig_destroy__ [static, private] |
Definition at line 82 of file simulator.py.
dictionary __casac__.simulator.simulator.__swig_getmethods__ [static, private] |
Definition at line 74 of file simulator.py.
dictionary __casac__.simulator.simulator.__swig_setmethods__ [static, private] |
Definition at line 72 of file simulator.py.
Definition at line 81 of file simulator.py.
1.8.0