//# FlagMSHandler.h: This file contains the interface definition of the FlagMSHandler class. //# //# CASA - Common Astronomy Software Applications (http://casa.nrao.edu/) //# Copyright (C) Associated Universities, Inc. Washington DC, USA 2011, All rights reserved. //# Copyright (C) European Southern Observatory, 2011, All rights reserved. //# //# This library is free software; you can redistribute it and/or //# modify it under the terms of the GNU Lesser General Public //# License as published by the Free software Foundation; either //# version 2.1 of the License, or (at your option) any later version. //# //# This library is distributed in the hope that it will be useful, //# but WITHOUT ANY WARRANTY, without even the implied warranty of //# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU //# Lesser General Public License for more details. //# //# You should have received a copy of the GNU Lesser General Public //# License along with this library; if not, write to the Free Software //# Foundation, Inc., 59 Temple Place, Suite 330, Boston, //# MA 02111-1307 USA //# $Id: $ #ifndef FlagMSHandler_H_ #define FlagMSHandler_H_ #include <flagging/Flagging/FlagDataHandler.h> #include <msvis/MSVis/ViFrequencySelection.h> namespace casa { //# NAMESPACE CASA - BEGIN // Flag casacore::Data Handler class definition class FlagMSHandler: public FlagDataHandler { public: // Default constructor // NOTE: casacore::Time interval 0 groups all time steps together in one chunk. FlagMSHandler(string msname, casacore::uShort iterationApproach = SUB_INTEGRATION, casacore::Double timeInterval = 0); // Default destructor ~FlagMSHandler(); // Open Measurement Set bool open(); // Close Measurement Set bool close(); // Generate selected Measurement Set bool selectData(); // Parse casacore::MSSelection expression bool parseExpression(casacore::MSSelection &parser); // Generate Visibility Iterator bool generateIterator(); // Move to next chunk bool nextChunk(); // Move to next buffer bool nextBuffer(); // Write flag cube into MS bool flushFlags(); // Provide table name (for flag version) casacore::String getTableName(); // Check if a given column is available in the MS // (typically for checking existence of CORRECTED_DATA bool checkIfColumnExists(casacore::String column); // Signal true when a progress summary has to be printed bool summarySignal(); // Get the casacore::MS PROCESSOR sub-table bool processorTable(); // Get a casacore::Float visCube and return a casacore::Complex one casacore::Cube<casacore::Complex>& weightVisCube(); casacore::Cube<casacore::Complex> weight_spectrum_p; private: // Mapping functions virtual void generateScanStartStopMap(); // Swap casacore::MS to check what is the maximum RAM memory needed void preSweep(); // Apply channel selection for asyn or normal iterator // NOTE: We always have to do this, even if there is no SPW:channel selection void applyChannelSelection(vi::VisibilityIterator2 *visIter); // Measurement set section casacore::MeasurementSet *selectedMeasurementSet_p; casacore::MeasurementSet *originalMeasurementSet_p; // RO Visibility Iterator vi::VisibilityIterator2 *preAveragingVI_p; vi::VisibilityIterator2 *visibilityIterator_p; vi::FrequencySelectionUsingChannels *channelSelector_p; }; } //# NAMESPACE CASA - END #endif /* FlagMSHandler_H_ */