Line data    Source code

       1             : //# CTTimeInterp1.h: Definition for Single-element Cal Interpolation time
       2             : //# Copyright (C) 1996,1997,1998,1999,2000,2001,2002,2003
       3             : //# Associated Universities, Inc. Washington DC, USA.
       4             : //#
       5             : //# This library is free software; you can redistribute it and/or modify it
       6             : //# under the terms of the GNU Library General Public License as published by
       7             : //# the Free Software Foundation; either version 2 of the License, or (at your
       8             : //# option) any later version.
       9             : //#
      10             : //# This library is distributed in the hope that it will be useful, but WITHOUT
      11             : //# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
      12             : //# FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Library General Public
      13             : //# License for more details.
      14             : //#
      15             : //# You should have received a copy of the GNU Library General Public License
      16             : //# along with this library; if not, write to the Free Software Foundation,
      17             : //# Inc., 675 Massachusetts Ave, Cambridge, MA 02139, USA.
      18             : //#
      19             : //# Correspondence concerning AIPS++ should be adressed as follows:
      20             : //#        Internet email: casa-feedback@nrao.edu.
      21             : //#        Postal address: AIPS++ Project Office
      22             : //#                        National Radio Astronomy Observatory
      23             : //#                        520 Edgemont Road
      24             : //#                        Charlottesville, VA 22903-2475 USA
      25             : //#
      26             : //#
      27             : 
      28             : #ifndef CALTABLES_CTTIMEINTERP1_H
      29             : #define CALTABLES_CTTIMEINTERP1_H
      30             : 
      31             : #include <casacore/casa/aips.h>
      32             : 
      33             : #include <synthesis/CalTables/NewCalTable.h>
      34             : #include <synthesis/CalTables/RIorAParray.h>
      35             : #include <casacore/casa/Arrays/Cube.h>
      36             : #include <casacore/scimath/Functionals/Interpolate1D.h>
      37             : #include <casacore/casa/Logging/LogMessage.h>
      38             : #include <casacore/casa/Logging/LogSink.h>
      39             : 
      40             : namespace casa { //# NAMESPACE CASA - BEGIN
      41             : 
      42             : 
      43             : class CTTimeInterp1
      44             : {
      45             : public:
      46             : 
      47             :   // Null ctor 
      48             :   //  CTTimeInterp1();  // TBD: make private?
      49             : 
      50             :   // From NewCalTable
      51             :   CTTimeInterp1(NewCalTable& ct,
      52             :                 const casacore::String& timetype,
      53             :                 casacore::Array<casacore::Float>& result,
      54             :                 casacore::Array<casacore::Bool>& rflag);
      55             : 
      56             :   // Destructor
      57             :   virtual ~CTTimeInterp1();
      58             : 
      59             :   // Some state info
      60             :   casacore::Double timeRef() const { return timeRef_; };
      61       12625 :   casacore::String timeType() const { return timeType_; };
      62             :   casacore::Vector<casacore::Double> domain() const { return domain_; };
      63             : 
      64             :   // Interpolate, given timestamp; returns T if new result
      65             :   virtual casacore::Bool interpolate(casacore::Double time);
      66             : 
      67             :   // Interpolate, given timestamp and fiducial freq; returns T if new result
      68             :   virtual casacore::Bool interpolate(casacore::Double newtime, casacore::Double freq);
      69             : 
      70             :   virtual void state(casacore::Bool verbose=false);
      71             : 
      72             :   // static factory method to make CTTimeInterp1
      73         269 :   static CTTimeInterp1* factory(NewCalTable& ct,
      74             :                                 const casacore::String& timetype,
      75             :                                 casacore::Array<casacore::Float>& result,
      76             :                                 casacore::Array<casacore::Bool>& rflag) {
      77         269 :     return new casa::CTTimeInterp1(ct,timetype,result,rflag); }
      78             : 
      79             :   // Set interpolation type
      80             :   void setInterpType(casacore::String strtype);
      81             : 
      82             : protected:
      83             : 
      84             :   // Find time registration
      85             :   casacore::Bool findTimeRegistration(casacore::Int& idx,casacore::Bool& exact,casacore::Float newtime);
      86             : 
      87             :   // Do phase delay math
      88             :   void applyPhaseDelay(casacore::Double freq);
      89             : 
      90             : 
      91             :   // The CalTable 
      92             :   //  Should be a single antenna, spw
      93             :   NewCalTable ct_;
      94             : 
      95             :   // Access to columns
      96             :   ROCTMainColumns *mcols_p;
      97             : 
      98             :   // Interpolation modes
      99             :   casacore::String timeType_;
     100             : 
     101             :   // Current time, idx
     102             :   casacore::Double currTime_;
     103             :   casacore::Int currIdx_;
     104             :   casacore::Bool lastWasExact_;
     105             : 
     106             :   // casacore::Time list
     107             :   casacore::Double timeRef_;
     108             :   casacore::Vector<casacore::Float> timelist_;
     109             :   casacore::Vector<casacore::Double> domain_;
     110             : 
     111             :   // Flags list
     112             :   casacore::Cube<casacore::Bool> flaglist_;
     113             : 
     114             :   // Pointer to the time interpolator
     115             :   casacore::Interpolate1D<casacore::Float,casacore::Array<casacore::Float> > *tInterpolator_p;
     116             : 
     117             :   // Phase-delay correction info
     118             :   casacore::Double cfreq_;
     119             :   casacore::Cube<casacore::Float> cycles_;   // [npar,nchan,ntime]
     120             :   
     121             :   // Arrays in which to deposit results
     122             :   //  (ordinarily, these (CASA-casacore::Array) reference external Arrays)
     123             :   casacore::Array<casacore::Float> result_;
     124             :   casacore::Array<casacore::Bool> rflag_;
     125             : 
     126             : };
     127             : 
     128             : // Pointer to static factory methods for CTTimeInterp1
     129             : typedef CTTimeInterp1* (*CTTIFactoryPtr)(NewCalTable&,
     130             :                                          const casacore::String&,
     131             :                                          casacore::Array<casacore::Float>&,
     132             :                                          casacore::Array<casacore::Bool>&);
     133             : 
     134             : } //# NAMESPACE CASA - END
     135             : 
     136             : #endif