Line data    Source code

       1             : //# MSMetaInfoForCal.h: MS Meta info services in Calibraiton context
       2             : //# Copyright (C) 2016
       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 SYNTHESIS_MSMETAINFOFORCAL_H
      29             : #define SYNTHESIS_MSMETAINFOFORCAL_H
      30             : 
      31             : #include <casacore/casa/aips.h>
      32             : #include <iostream>
      33             : #include <casacore/casa/BasicSL/String.h>
      34             : #include <casacore/ms/MeasurementSets/MeasurementSet.h>
      35             : #include <msvis/MSVis/SimpleSimVi2.h>
      36             : 
      37             : namespace casacore {
      38             : 
      39             : class MSMetaData;
      40             : 
      41             : }
      42             : 
      43             : namespace casa { //# NAMESPACE CASA - BEGIN
      44             : 
      45             : class MSMetaInfoForCal {
      46             :   
      47             : public:
      48             : 
      49             :   // Construct from the filename of an MS
      50             :   //  (If the MS doesn't exist, services will be trivialized)
      51             :   MSMetaInfoForCal(casacore::String msname);
      52             : 
      53             :   // Construct from a supplied MS object
      54             :   MSMetaInfoForCal(const casacore::MeasurementSet& ms);
      55             :   MSMetaInfoForCal(const casacore::MeasurementSet& ms,
      56             :                    casacore::String msname);
      57             : 
      58             :   // Construct from nAnt,nSpw
      59             :   MSMetaInfoForCal(casacore::uInt nAnt,casacore::uInt nSpw,casacore::uInt nFld);
      60             : 
      61             :   // Construct from SimpleSimVi2Paremeters
      62             :   //   (useful for testing w/ actual (spoofed) data iteration
      63             :   MSMetaInfoForCal(const vi::SimpleSimVi2Parameters& sspar);
      64             : 
      65             :   // Dtor
      66             :   ~MSMetaInfoForCal();
      67             : 
      68             :   // The MS name
      69         644 :   casacore::String msname() const { return msname_; };
      70             : 
      71             :   // Signal if a real MS was specified in ctor
      72         165 :   casacore::Bool msOk() const { return msOk_; };
      73             : 
      74             :   // Return access to MSMetaData object (if avail)
      75             :   //  Would like this to be const, but many methods in MSMetaData aren't....
      76             :   casacore::MSMetaData& msmd() const;
      77             : 
      78             :   // Return accss to SimpleSimVi2Parameters object (if avail)
      79             :   const vi::SimpleSimVi2Parameters& ssp() const;
      80             : 
      81             :   // The number of antennas
      82       28784 :   casacore::uInt nAnt() const { return nAnt_;};
      83             : 
      84             :   // Antenna name, by index
      85             :   casacore::String antennaName(casacore::uInt iant) const;
      86             : 
      87             :   // All antenna names, as vector
      88             :   void antennaNames(casacore::Vector<casacore::String>& antnames) const;
      89             : 
      90             :   // The number of spws
      91        3502 :   casacore::uInt nSpw() const { return nSpw_;};
      92             : 
      93             :   // Spw name, by index
      94             :   casacore::String spwName(casacore::uInt ispw) const;
      95             : 
      96             :   // The number of fields
      97           0 :   casacore::uInt nFld() const { return nFld_;};
      98             : 
      99             :   // Field name, by index
     100             :   casacore::String fieldName(casacore::uInt ifld) const;
     101             : 
     102             :   // All field names, as vector
     103             :   void fieldNames(casacore::Vector<casacore::String>& fldnames) const;
     104             : 
     105             :   // Field id at time
     106             :   casacore::Int fieldIdAtTime(casacore::Double time) const;
     107             : 
     108             :   // Scan number at time
     109             :   casacore::Int scanNumberAtTime(casacore::Double time) const;
     110             : 
     111             :   // Center freq for specified spw
     112             :   casacore::Double centerFreq(casacore::uInt ispw) const;
     113             :   
     114             : 
     115             : private:
     116             : 
     117             :   // The supplied MS name
     118             :   casacore::String msname_;
     119             : 
     120             :   // Is the MS available (else spoof)
     121             :   bool msOk_;
     122             : 
     123             :   // Remember basic shapes
     124             :   casacore::uInt nAnt_, nSpw_, nFld_;
     125             : 
     126             :   // Spw absolute center frequencies
     127             :   //  (this gets filled OTF, if necessary)
     128             :   mutable casacore::Vector<casacore::Double> centerFreqs_;
     129             : 
     130             :   // MS pointer
     131             :   casacore::MeasurementSet *ms_;
     132             : 
     133             :   // MSMetaData pointer
     134             :   casacore::MSMetaData *msmd_;
     135             : 
     136             :   // SimpleSimVi2Parameters pointer
     137             :   vi::SimpleSimVi2Parameters* ssp_;
     138             : 
     139             : 
     140             : };
     141             : 
     142             : 
     143             : } //# NAMESPACE CASA - END
     144             : 
     145             : #endif
     146             : 
     147             :