コード例 #1
0
 def combine_ms(target_info):
     output = os.path.join(mkdtemp(dir=scratch), "combined.MS")
     run_ndppp(get_parset_subset(input_parset, "combine.parset", scratch), {
         "msin": str(target_info["datafiles"]),
         "msout": output
     })
     target_info["combined_ms"] = output
コード例 #2
0
 def combine_ms(target_info):
     output = os.path.join(mkdtemp(dir=scratch), "combined.MS")
     run_ndppp(
         get_parset_subset(input_parset, "combine.parset", scratch),
         {"msin": str(target_info["datafiles"]), "msout": output},
     )
     target_info["combined_ms"] = output
コード例 #3
0
 def phaseonly(target_info):
     # We chdir to the scratch directory initially, so that logs get dumped
     # there, then we'll copy the logs to the output directory when we're
     # done.
     try:
         os.chdir(os.path.dirname(target_info["combined_ms"]))
         run_calibrate_standalone(
             get_parset_subset(input_parset, "phaseonly.parset", scratch),
             target_info["combined_ms"], target_info["skymodel"])
         for logfile in glob.glob(
                 os.path.join(os.path.dirname(target_info["combined_ms"]),
                              "*log")):
             shutil.copy(logfile, target_info["output_dir"])
     except Exception, e:
         print "Error in phaseonly with %s" % (target_info["combined_ms"])
         print str(e)
         raise
コード例 #4
0
 def phaseonly(target_info):
     # We chdir to the scratch directory initially, so that logs get dumped
     # there, then we'll copy the logs to the output directory when we're
     # done.
     try:
         os.chdir(os.path.dirname(target_info["combined_ms"]))
         run_calibrate_standalone(
             get_parset_subset(input_parset, "phaseonly.parset", scratch),
             target_info["combined_ms"],
             target_info["skymodel"],
         )
         for logfile in glob.glob(os.path.join(os.path.dirname(target_info["combined_ms"]), "*log")):
             shutil.copy(logfile, target_info["output_dir"])
     except Exception, e:
         print "Error in phaseonly with %s" % (target_info["combined_ms"])
         print str(e)
         raise
コード例 #5
0
            ms_target["SAP00%d_band%d" % (beam, band)] = target_info
            start_sb += band_size

    # Copy to working directories
    for name in ms_target.iterkeys():
        print "Copying %s to scratch area" % (name, )
        ms_target[name]["datafiles"] = copy_to_work_area(
            ms_target[name]["datafiles"], scratch)

    # We'll run as many simultaneous jobs as we have CPUs
    pool = ThreadPool(cpu_count())

    # Calibration of each calibrator subband
    os.chdir(ms_cal['output_dir'])  # Logs will get dumped here
    clear_calibrate_stand_alone_logs()
    calcal_parset = get_parset_subset(input_parset, "calcal.parset", scratch)

    def calibrate_calibrator(cal):
        source = table(
            "%s::OBSERVATION" %
            (cal, )).getcol("LOFAR_TARGET")['array'][0].lower().replace(
                ' ', '')
        skymodel = os.path.join(input_parset.getString("skymodel_dir"),
                                "%s.skymodel" % (source, ))
        print "Calibrating %s with skymodel %s" % (cal, skymodel)
        run_calibrate_standalone(calcal_parset,
                                 cal,
                                 skymodel,
                                 replace_parmdb=True,
                                 replace_sourcedb=True)
コード例 #6
0
            assert os.path.exists(target_info["skymodel"])
            ms_target["SAP00%d_band%d" % (beam, band)] = target_info
            start_sb += band_size

    # Copy to working directories
    for name in ms_target.iterkeys():
        print "Copying %s to scratch area" % (name,)
        ms_target[name]["datafiles"] = copy_to_work_area(ms_target[name]["datafiles"], scratch)

    # We'll run as many simultaneous jobs as we have CPUs
    pool = ThreadPool(cpu_count())

    # Calibration of each calibrator subband
    os.chdir(ms_cal["output_dir"])  # Logs will get dumped here
    clear_calibrate_stand_alone_logs()
    calcal_parset = get_parset_subset(input_parset, "calcal.parset", scratch)

    def calibrate_calibrator(cal):
        source = table("%s::OBSERVATION" % (cal,)).getcol("LOFAR_TARGET")["array"][0].lower().replace(" ", "")
        skymodel = os.path.join(input_parset.getString("skymodel_dir"), "%s.skymodel" % (source,))
        print "Calibrating %s with skymodel %s" % (cal, skymodel)
        run_calibrate_standalone(calcal_parset, cal, skymodel, replace_parmdb=True, replace_sourcedb=True)

    with time_code("Calibration of calibrator"):
        pool.map(calibrate_calibrator, ms_cal["datafiles"])

    # Clip calibrator parmdbs
    def clip_parmdb(sb):
        run_process(
            input_parset.getString("pdbclip.executable"),
            "--auto",