casa6

//# KJones.h: Declaration of delay-like (geometry) calibration types

//# Copyright (C) 1996,1997,2000,2001,2002,2003,2011

//# 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 adressed 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

//#

//#

​

#ifndef SYNTHESIS_KJONES_H

#define SYNTHESIS_KJONES_H

​

#include <casa/aips.h>

#include <synthesis/MeasurementComponents/StandardVisCal.h>

​

namespace casa { //# NAMESPACE CASA - BEGIN

​

class DelayFFT {

public:

  // Construct from freq info and data-like casacore::Cube<casacore::Complex>

  //  (for generic testing w/out casacore::MS data)

  DelayFFT(casacore::Double f0, casacore::Double df, casacore::Double padBW, 

       casacore::Cube<casacore::Complex> V, 

       casacore::Cube<casacore::Float> wt=casacore::Cube<casacore::Float>());

​

  // Construct from freq info and shape, w/ initialization

  //   (for accumulation)

  DelayFFT(casacore::Double f0, casacore::Double df, casacore::Double padBW, 

       casacore::Int nCorr, casacore::Int nElem, casacore::Int refant, 

       casacore::Complex v0, casacore::Float wt=1.0);

​

  // Construct from a VB

  DelayFFT(const VisBuffer& vb,casacore::Double padBW,casacore::Int refant);

​

  // Construct from a VB2

  DelayFFT(SolveDataBuffer& sdb,casacore::Double padBW,casacore::Int refant,casacore::Int nElem);

​

  // Perform FFT

  void FFT();

​

  // Apply shift theorem

  void shift(casacore::Double f);

​

  // Accumulate another DelayFFT

  void add(const DelayFFT& other);