def selfcalSource( ) :
sourceName = SAC.queryString("Control.Subarray1.Source")
try :
for n in range (1,33) :
if ( sourceName == SAC.queryString("Control.SpectralLineCorrelator.Obsblock.ObsObject"+str(n)+".name") ) :
return SAC.queryBool("Control.SpectralLineCorrelator.Obsblock.ObsObject"+str(n)+".selfCalibratable")
return False
except :
return False
def waitForNewData( ) :
elapsed = 0.
# wait until we are integrating on a valid selfcal source (not Noise, not Pointing)
while not ( selfcalSource( ) and SAC.queryBool("SlPipeline.IntegratorStageContainer.IntegratorStage.integrating") ) :
if (elapsed > 20. ) :
print ".. waiting for integration to begin on a valid selfcal source"
elapsed = 0. # so message is refreshed every 20 sec
SAC.sleep(1.)
elapsed = elapsed + 1.
print " .. waiting for integration to complete"
elapsed = 0.
# fresh selfcal data should be available when the integration number changes
LastIntNumber = SAC.queryInt("SlPipeline.IntegratorStageContainer.IntegratorStage.IntegrationNumber")
IntNumber = LastIntNumber
while (IntNumber == LastIntNumber) :
if (elapsed > 20. ) :
print " .. waiting for integration to complete"
elapsed = 0. # so message is refreshed every 20 sec
SAC.sleep(0.5)
elapsed = elapsed + 0.5
IntNumber = SAC.queryInt("SlPipeline.IntegratorStageContainer.IntegratorStage.IntegrationNumber")
SAC.sleep(0.1) # to be safe, allow extra 0.1 sec to make sure selfcal results are updated
print " .. fresh selfcal data available"
