casa6

//# VBGContinuumSubtractor.cc: Subtract the continuum from VisBuffGroups and

//# write them to a different MS.

//# Copyright (C) 2011

//# Associated Universities, Inc. Washington DC, USA.

//#

//# This library is free software; you can redistribute it and/or modify it

//# under the terms of the GNU Library General Public License as published by

//# the Free Software Foundation; either version 2 of the License, or (at your

//# option) any later version.

//#

//# This library is distributed in the hope that it will be useful, but WITHOUT

//# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

//# FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Library General Public

//# License for more details.

//#

//# You should have received a copy of the GNU Library General Public License

//# along with this library; if not, write to the Free Software Foundation,

//# Inc., 675 Massachusetts Ave, Cambridge, MA 02139, USA.

//#

//# Correspondence concerning AIPS++ should be addressed as follows:

//#        Internet email: aips2-request@nrao.edu.

//#        Postal address: AIPS++ Project Office

//#                        National Radio Astronomy Observatory

//#                        520 Edgemont Road

//#                        Charlottesville, VA 22903-2475 USA

//#

​

#include <msvis/MSVis/VBGContinuumSubtractor.h>

#include <msvis/MSVis/VBContinuumSubtractor.h>

#include <msvis/MSVis/VBRemapper.h>

#include <msvis/MSVis/SubMS.h>

#include <msvis/MSVis/VisBufferComponents.h>

#include <msvis/MSVis/VisBuffGroup.h>

#include <msvis/MSVis/VisBuffGroupAcc.h>

#include <casacore/casa/Exceptions/Error.h>

#include <casacore/casa/Logging/LogIO.h>

#include <casacore/ms/MSSel/MSSelection.h>

​

using namespace casacore;

namespace casa {

​

VBGContinuumSubtractor::VBGContinuumSubtractor(MeasurementSet& outms,

                                               MSColumns *msc,

                                               const VBRemapper& remapper,

                                               const ROVisibilityIterator& invi,

                                               const uInt fitorder,

                                               const MS::PredefinedColumns datacol,

                                               const String& fitspw,

                                               const String& outspw) :

  GroupWriteToNewMS(outms, msc, remapper),

  fitorder_p(fitorder),

  datacol_p(datacol),

  outspw_p(outspw),

  rowsdone_p(0),

  tvi_debug(False),

  want_cont_p(False)

{

  doWS_p = invi.existsWeightSpectrum();

  doFC_p = invi.existsFlagCategory();

​

  // Almost everything except the derived columns.

  prefetchColumns_p = asyncio::PrefetchColumns::prefetchColumns(

                                  VisBufferComponents::Ant1,