Line data    Source code

       1             : //# FlagAgentAntennaIntegrations.h: This file contains the interface definition of the FlagAgentAntennaIntegrations class.
       2             : //#
       3             : //#  CASA - Common Astronomy Software Applications (http://casa.nrao.edu/)
       4             : //#  Copyright (C) Associated Universities, Inc. Washington DC, USA 2017, All rights reserved.
       5             : //#  Copyright (C) European Southern Observatory, 2017, All rights reserved.
       6             : //#
       7             : //#  This library is free software; you can redistribute it and/or
       8             : //#  modify it under the terms of the GNU Lesser General Public
       9             : //#  License as published by the Free software Foundation; either
      10             : //#  version 2.1 of the License, or (at your option) any later version.
      11             : //#
      12             : //#  This library is distributed in the hope that it will be useful,
      13             : //#  but WITHOUT ANY WARRANTY, without even the implied warranty of
      14             : //#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      15             : //#  Lesser General Public License for more details.
      16             : //#
      17             : //#  You should have received a copy of the GNU Lesser General Public
      18             : //#  License along with this library; if not, write to the Free Software
      19             : //#  Foundation, Inc., 59 Temple Place, Suite 330, Boston,
      20             : //#  MA 02111-1307  USA
      21             : //# $Id: $
      22             : 
      23             : #ifndef FlagAgentAntennaIntegrations_H_
      24             : #define FlagAgentAntennaIntegrations_H_
      25             : 
      26             : #include <flagging/Flagging/FlagAgentBase.h>
      27             : #include <unordered_map>
      28             : 
      29             : namespace casa { //# NAMESPACE CASA - BEGIN
      30             : 
      31             : /**
      32             :  * <summary>
      33             :  * A flag agent that implements the 'antint' flagdata mode.
      34             :  * </summary>
      35             :  *
      36             :  * Uses the FlagAgentBase::ROWS_PREPROCESS_BUFFER iteration approach.
      37             :  *
      38             :  * The pre-processing in preProcessBuffer() checks what channels are
      39             :  * flagged for every baseline and saves in a data structure what times
      40             :  * should be flagged.
      41             :  * Then computeRowFlags() flags/returns true for all the rows with
      42             :  * times/integrations that should be flagged. Following the 'antint'
      43             :  * approach.
      44             :  *
      45             :  * This implementation uses as reference the task 'antintflag'
      46             :  * (https://doi.org/10.5281/zenodo.163546,
      47             :  * https://github.com/chrishales/antintflag)
      48             :  */
      49             : class FlagAgentAntennaIntegrations : public FlagAgentBase {
      50             : 
      51             :   public:
      52             : 
      53             :     FlagAgentAntennaIntegrations(FlagDataHandler *dh, casacore::Record config, casacore::Bool writePrivateFlagCube = false, casacore::Bool flag = true);
      54             : 
      55          16 :     ~FlagAgentAntennaIntegrations() = default;
      56             : 
      57             :   private:
      58             : 
      59             :     void setAgentParameters(casacore::Record config,
      60             :                             casacore::Vector<casacore::String> *antennaNames);
      61             : 
      62             :     // To use iteration approach FlagAgentBase::ROWS_PREPROCESS_BUFFER
      63             :     void preProcessBuffer(const vi::VisBuffer2 &visBuffer);
      64             : 
      65             :     // Compute flags afor a given mapped visibility point
      66             :     bool computeRowFlags(const vi::VisBuffer2 &visBuffer, FlagMapper &flags, casacore::uInt row);
      67             : 
      68             :     typedef std::unordered_map<casacore::Double, bool> FlaggedTimesMap;
      69             : 
      70             :     typedef std::vector<std::vector<bool>> TableFlagPerBaselinePerChannel;
      71             : 
      72             :     void doPreProcessingTimePoint(FlaggedTimesMap &flaggedTimes, 
      73             :                                   casacore::Double rowTime,
      74             :                                   TableFlagPerBaselinePerChannel &flagPerBaselinePerChannel);
      75             : 
      76             :     void doPreProcessingTimePointMultiChannel(FlaggedTimesMap &flaggedTimes, 
      77             :                                               casacore::Double rowTime,
      78             :                                               const TableFlagPerBaselinePerChannel &flagPerBaselinePerChannel);
      79             : 
      80             :     void doPreProcessingTimePointSingleChannel(FlaggedTimesMap &flaggedTimes, 
      81             :                                                casacore::Double rowTime,
      82             :                                                const TableFlagPerBaselinePerChannel &flagPerBaselinePerChannel);
      83             : 
      84             :     void checkAnyPolarizationFlagged(const casacore::Cube<casacore::Bool> &polChanRowFlags, 
      85             :                                      TableFlagPerBaselinePerChannel &flagPerBaselinePerChannel,
      86             :                                      casacore::uInt row, casacore::uInt baselineIdx);
      87             : 
      88             : 
      89             :     casacore::uInt
      90             :     findAntennaID(const casacore::String &name,
      91             :                   const casacore::Vector<casacore::String> *antennaNames);
      92             : 
      93             :     // Time points that should be flagged
      94             :     FlaggedTimesMap doFlagTime_p;
      95             : 
      96             :     // The antenna of interest. Pairs with this one are checked against the flag-threshold
      97             :     casacore::Int antIdx_p;
      98             :     // what fraction of channels need to be flagged to consider a
      99             :     // polarization product flagged
     100             :     casacore::Double minChanThreshold_p = 0.6;
     101             :     // verbosity
     102             :     bool verbose_p = false;
     103             : };
     104             : 
     105             : 
     106             : } //# NAMESPACE CASA - END
     107             : 
     108             : #endif /* FlagAgentAntennaIntegrations_H_ */