Line data    Source code

       1             : //# RFAUVBinner.h: this defines RFAUVBinner
       2             : //# Copyright (C) 2000,2001
       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 addressed 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             : //# $Id$
      27             : #ifndef FLAGGING_RFAUVBINNER_H
      28             : #define FLAGGING_RFAUVBINNER_H
      29             : 
      30             : #include <flagging/Flagging/RFAFlagCubeBase.h> 
      31             : #include <flagging/Flagging/RFDataMapper.h> 
      32             : #include <flagging/Flagging/RFFloatLattice.h>
      33             : #include <flagging/Flagging/RFFlagCube.h> 
      34             : #include <flagging/Flagging/RFRowClipper.h> 
      35             : #include <casacore/scimath/Mathematics/RigidVector.h>
      36             :     
      37             : namespace casa { //# NAMESPACE CASA - BEGIN
      38             : 
      39             : // <summary>
      40             : // RFAUVBinner: flagging via UV binning
      41             : // </summary>
      42             : 
      43             : // <use visibility=local>
      44             : 
      45             : // <reviewed reviewer="" date="" tests="" demos="">
      46             : // </reviewed>
      47             : 
      48             : // <prerequisite>
      49             : //   <li> RFDataMapper
      50             : //   <li> RFFlagCubeBase
      51             : //   <li> RFCubeLattice
      52             : // </prerequisite>
      53             : //
      54             : // <synopsis>
      55             : // </synopsis>
      56             : //
      57             : // <todo asof="2001/04/16">
      58             : //   <li> make UV-distance matrix static, to share between multiple instances
      59             : //   <li> collect population statistics across all channels
      60             : //   <li> 3D bins (ampl-UVdist-channel)?
      61             : //   <li> think how to solve "encroaching" problem to achieve a better
      62             : //        probability distribution. Perhaps two sets of staggered bins,
      63             : //        and for each point use the count of the bigger bin?
      64             : // </todo>
      65             : 
      66             : class RFAUVBinner : public RFAFlagCubeBase, public RFDataMapper
      67             : {
      68             : public:
      69             :   RFAUVBinner  ( RFChunkStats &ch,const casacore::RecordInterface &parm ); 
      70           0 :   virtual ~RFAUVBinner () {};
      71             :   
      72             :   virtual casacore::uInt estimateMemoryUse ();
      73             :   virtual casacore::Bool newChunk (casacore::Int &maxmem);
      74             :   virtual void endChunk ();
      75             :   virtual void startData (bool verbose);
      76             :   virtual void startDry (bool verbose);
      77             :   virtual IterMode iterTime (casacore::uInt it);
      78             :   virtual IterMode iterRow  (casacore::uInt ir);
      79             :   virtual IterMode iterDry  (casacore::uInt it);
      80             :   virtual IterMode endData  ();
      81             :   virtual IterMode endDry  ();
      82             : 
      83             :   virtual casacore::String getDesc ();
      84             :   static const casacore::RecordInterface & getDefaults ();
      85             :   
      86             : protected:
      87             :   casacore::IPosition computeBin( casacore::Float uv,casacore::Float y,casacore::uInt ich );
      88             : 
      89             :   casacore::Double  threshold;
      90             :   casacore::uInt    min_population;
      91             :   casacore::uInt    nbin_y,nbin_uv;
      92             :   casacore::Bool    binned;
      93             :   
      94             : // current UVW column
      95             :   casacore::Vector< casacore::RigidVector<casacore::Double,3> > *puvw;
      96             : 
      97             : // lattice of yvalues [NCH,NIFR,NTIME]
      98             :   RFFloatLattice yvalue;
      99             : // matrix of UV distances [NIFR,NTIME]
     100             :   casacore::Matrix<casacore::Float> uvdist;
     101             : 
     102             : // ranges and bin sizes
     103             :   casacore::Vector<casacore::Float> ymin,ymax,ybinsize,
     104             : // for UV, we have individual ranges/bins per each channel
     105             :                uvmin,uvmax,uvbinsize;
     106             : // bin counts
     107             :   casacore::Cube<casacore::Int> bincounts;
     108             :   casacore::Vector<casacore::Int> totcounts;
     109             : };
     110             : 
     111             : 
     112             : } //# NAMESPACE CASA - END
     113             : 
     114             : #endif