# cannot do this because taskinit contain # other functions the engines do not need # we load tools and tasks explicitly ## ## finally load tools #### # jagonzal: Import tasks but don't load task manager and dbus os.environ['CASA_ENGINE']="YES" from tasks import * casalog = casac.logsink() casalog.setglobal(True) quanta = casac.quanta() measures = casac.measures() imager = casac.imager() calibrater = casac.calibrater() ms = casac.ms() tableplot = casac.tableplot() msplot = casac.msplot() calplot = casac.calplot() table = casac.table() #flagger = casac.flagger() agentflagger = casac.agentflagger() image = casac.image() imagepol = casac.imagepol() simulator = casac.simulator() componentlist = casac.componentlist() coordsys = casac.coordsys() regionmanager = casac.regionmanager()
# # Correspondence concerning AIPS++ should be addressed as follows: # Internet email: [email protected]. # Postal address: AIPS++ Project Office # National Radio Astronomy Observatory # 520 Edgemont Road # Charlottesville, VA 22903-2475 USA # # $kgolap$ import dateutil from datetime import datetime import numpy as np import pylab as pl from casac import casac qa=casac.quanta() me=casac.measures() def specframeconvert(val='344.84e9Hz', inframe='TOPO', indoppler='RADIO', restfreq='1.410GHz', timebeg='2011/5/28/01h00m00', timeend='', direction='J2000 12h01m51 -18d52m00', observatory='VLA', outframe='LSRK', npoints=100, doplot=False): """ val= frequency or velocity quantity (e.g '113GHz' or '-25km/s') inframe=frame of input value (e.g 'TOPO', 'GEO', BARY') indoppler=doppler velocity definition if val is velocity ('RADIO', 'OPTICAL', 'Z' etc) restfrequency=line rest frequency if val is in velocity units timebeg=start of time range in UTC e.g '2012/12/25/00h00m00' timeend=end of time range in UTC or '' if only one value is needed direction=Source direction of interest (e.g 'J2000 12h01m51 -18d52m00') observatory=name of observatory to know where on earth this calculation is for outframe=frame of the output frequencies for the time range requested npoints= number of points to have values calculated in time range doplot=True or False (if Frequecy v/s Time plot is needed) """ me.doframe(me.observatory(observatory))
