def testconfigs(avgsepsf="configs.avgsep"):
    """
    Test ALMA configurations.
    """
    # read avgseps.
    try:
        avsfile = open(avgsepsf, 'r')
        avgseps = map(float, avsfile.readlines())
        avsfile.close()
    except:
        print "Could not read", avgsepsf
        return
    
    dec = -23
    direcshun = "J2000 18h00m00.03s %sd0m0.0s" % dec
#    cl.addcomponent(dir=direcshun,flux=1.0, freq='672.0GHz')
    compname = "star672GHz_dec%s.cl" % dec
#    cl.rename(compname)
#    cl.done()
#    for (ttime, integrity) in zip(('30s', '14400s'), ('10s', '300s')):
    ttime = '14400s'
    integrity = '300s'
    for confnum in range(1, 29):
        confname = "out%02d" % confnum
        print "confname:", confname
        pixelsize = 0.1 * avgseps[0] / avgseps[confnum - 1]
        cell = "%farcsec" % pixelsize
        antlist = "almaconfig.%s" % confname
        project = "testalmaconfig_%s_%s_%s_briggs_nn" % (confname, ttime, dec)
        print "Starting", project
        almasimmos(project=project,
                   modelimage="",
                   complist=compname,
                   antennalist=antlist,
                   direction=direcshun,
                   nmosx=1,
                   nmosy=1,
                   pointingspacing="0.01arcsec",
                   refdate="2008/06/21/03:25:00",
                   totaltime=ttime,
                   integration=integrity,
                   mode="none",
                   alg="clark",
                   niter=50,
                   nchan=-1,
                   startfreq="668.0GHz",
                   chanwidth="8.0GHz",
                   cell=cell,
                   imsize=[256, 256],
                   stokes="I",
                   weighting="briggs",
                   rmode="norm",
                   robust=0.0,
                   display=False)
        print "Finished", project