def pf( source, point=False, startNominal=True, apply=False ) :
SAC.track( source )
if point :
rp.radioPoint( source, type='triangle', timeLimit=5. )
SAC.intent(source,"S")
antList = SAC.currentAntennaNumbers()
SAC.tsys()
refocus( antList, '/array/rt/focus/focusCurves', startNominal, apply )
if not apply :
restoreFocus( )
def restoreFocus( ) :
antList = SAC.currentAntennaNumbers()
for ant in antList :
SAC.focus( None, None, f0[ant-1], ant )
if focusMoving( antList) :
print "hey - timed out and a focus is still changing!"
