new_contents: from telopt import *
  
  #
  # Radius=1/2 FWZ ~ FWHM
  #
  ts=TelSources()
  ts.construct(nsources=20, radius=6.0/35.0)
  
  lowrand=TelArray()
  lowrand.construct('LOW_RANDOM', nstations=1024, nhalo=45, rhalo=40)
  lowrand.plot()
  
  low=TelArray()
  low.readLOWL1('LOW_L1')
  low.plot()
  
  lofar=TelArray()
  lofar.readLOFAR('LOFAR')
  lofar.plot()
  
  tp=TelPiercings()
  tp.construct(ts,lowrand,hiono=400)
  tp.plot()
  tp.assess(nnoll=100)
  tp=False
  
  tplow=TelPiercings()
  tplow.construct(ts,low,hiono=400)
  tplow.plot()
  tplow.assess(nnoll=100)
  tplow=False
  
  tplofar=TelPiercings()
  tplofar.construct(ts,lofar,hiono=400)
  tplofar.plot()
  tplofar.assess(nnoll=100)
  tplofar=False
  
  
subject: Split off library