Line data    Source code

       1             : //# CalTableDesc.h: Define the format of calibration tables
       2             : //# Copyright (C) 1996,1997,1998,2002
       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             : //# $Id$
      28             : 
      29             : #ifndef CALIBRATION_CALTABLEDESC_H
      30             : #define CALIBRATION_CALTABLEDESC_H
      31             : 
      32             : #include <casacore/casa/aips.h>
      33             : #include <casacore/tables/Tables/Table.h>
      34             : #include <casacore/tables/Tables/TableDesc.h>
      35             : 
      36             : namespace casa { //# NAMESPACE CASA - BEGIN
      37             : 
      38             : // <summary> 
      39             : // CalTableDesc: Define the format of calibration tables
      40             : // </summary>
      41             : 
      42             : // <use visibility=export>
      43             : 
      44             : // <reviewed reviewer="" date="" tests="" demos="">
      45             : 
      46             : // <prerequisite>
      47             : //   <li> <linkto class="CalTable">CalTable</linkto> module
      48             : // </prerequisite>
      49             : //
      50             : // <etymology>
      51             : // From "Calibration table" and "descriptor".
      52             : // </etymology>
      53             : //
      54             : // <synopsis>
      55             : // CalTableDesc defines the format of calibration tables in terms
      56             : // of table descriptors <linkto class="casacore::TableDesc">casacore::TableDesc</linkto>, as
      57             : // defined in the casacore::Table system. This is a base class and defines the
      58             : // overall calibration table structure. Specializations for both
      59             : // antenna-based (ViJones and SkyJones) and baseline-based (MJones)
      60             : // calibration tables are provided through inheritance. At present this 
      61             : // set of classes returns the default calibration table descriptors for a 
      62             : // given calibration table type.
      63             : // </etymology>
      64             : //
      65             : // <example>
      66             : // <srcblock>
      67             : // </srcblock>
      68             : // </example>
      69             : //
      70             : // <motivation>
      71             : // This inheritance tree defines the format of all calibration
      72             : // table types, both antenna- and baseline-based, to provide
      73             : // a unified and consistent interface to their representation
      74             : // as aips++ tables. An overall structure common to all calibration
      75             : // tables is maintained as far as possible, with common column
      76             : // names throughout. This class tree is primarily used by
      77             : // the <linkto class="CalTable"> CalTable</linkto> classes.
      78             : // </motivation>
      79             : //
      80             : // <todo asof="98/01/01">
      81             : // Generate the calibration table descriptors from a VisSet or VisBuffer object
      82             : // </todo>
      83             : 
      84             : class CalTableDesc 
      85             : {
      86             :  public:
      87             :    // Default null constructor, and destructor
      88             :    CalTableDesc();
      89           0 :    virtual ~CalTableDesc() {};
      90             : 
      91             :    // Construct from the Jones table type
      92             :    CalTableDesc (const casacore::String& type);
      93             : 
      94             :    // Return the table descriptors for the main calibration table
      95             :    // and the cal_history and cal_desc sub-tables
      96             :    virtual casacore::TableDesc calMainDesc();
      97             :    virtual casacore::TableDesc calHistoryDesc();
      98             :    virtual casacore::TableDesc calDescDesc();
      99             : 
     100             :  protected:
     101             :    // Generate the default table descriptor for fit parameters
     102             :    casacore::TableDesc defaultFitDesc();
     103             : 
     104             :    // Generate the default table descriptor for general polynomial parameters
     105             :    casacore::TableDesc defaultPolyDesc();
     106             : 
     107             :    // Generate the default table descriptor for spline polynomial parameters
     108             :    casacore::TableDesc defaultSplineDesc();
     109             : 
     110             :    // Method to insert one table descriptor into another after
     111             :    // a specified column name.
     112             :    casacore::TableDesc insertDesc (const casacore::TableDesc& tableDesc, const casacore::TableDesc& insert,
     113             :                          const casacore::String& insertAfter);
     114             : 
     115             :  private:
     116             :    // Generate the default sub-table descriptors
     117             :    casacore::TableDesc defaultCalMain (const casacore::String& type);
     118             :    casacore::TableDesc defaultCalDesc();
     119             :    casacore::TableDesc defaultCalHistory();
     120             : 
     121             :    // casacore::Table descriptors
     122             :    casacore::TableDesc itsCalMainDesc;
     123             :    casacore::TableDesc itsCalHistoryDesc;
     124             :    casacore::TableDesc itsCalDescDesc;
     125             : 
     126             :  };
     127             : 
     128             : 
     129             : } //# NAMESPACE CASA - END
     130             : 
     131             : #endif
     132             :    
     133             :   
     134             : 
     135             : 
     136             :