/usr/include/casacore/ms/MeasurementSets/MSFeedColumns.h is in casacore-dev 2.2.0-2.
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//# Copyright (C) 1996,1999,2000
//# Associated Universities, Inc. Washington DC, USA.
//#
//# This library is free software; you can redistribute it and/or modify it
//# under the terms of the GNU Library General Public License as published by
//# the Free Software Foundation; either version 2 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 Library General Public
//# License for more details.
//#
//# You should have received a copy of the GNU Library General Public License
//# along with this library; if not, write to the Free Software Foundation,
//# Inc., 675 Massachusetts Ave, Cambridge, MA 02139, USA.
//#
//# Correspondence concerning AIPS++ should be addressed as follows:
//# Internet email: aips2-request@nrao.edu.
//# Postal address: AIPS++ Project Office
//# National Radio Astronomy Observatory
//# 520 Edgemont Road
//# Charlottesville, VA 22903-2475 USA
//#
//# $Id$
#ifndef MS_MSFEEDCOLUMNS_H
#define MS_MSFEEDCOLUMNS_H
#include <casacore/casa/aips.h>
#include <casacore/casa/BasicSL/Complex.h>
#include <casacore/measures/Measures/MDirection.h>
#include <casacore/measures/Measures/MEpoch.h>
#include <casacore/measures/Measures/MPosition.h>
#include <casacore/measures/Measures/MCDirection.h>
#include <casacore/measures/Measures/MCEpoch.h>
#include <casacore/measures/Measures/MCPosition.h>
#include <casacore/measures/TableMeasures/ArrayMeasColumn.h>
#include <casacore/measures/TableMeasures/ArrayQuantColumn.h>
#include <casacore/measures/TableMeasures/ScalarMeasColumn.h>
#include <casacore/measures/TableMeasures/ScalarQuantColumn.h>
#include <casacore/tables/Tables/ArrayColumn.h>
#include <casacore/tables/Tables/ScalarColumn.h>
#include <casacore/casa/BasicSL/String.h>
namespace casacore { //# NAMESPACE CASACORE - BEGIN
class MSFeed;
// <summary>
// A class to provide easy read-only access to MSFeed columns
// </summary>
// <use visibility=export>
// <reviewed reviewer="Bob Garwood" date="1997/02/01" tests="" demos="">
// </reviewed>
// <prerequisite>
// <li> MSFeed
// <li> ArrayColumn
// <li> ScalarColumn
// </prerequisite>
//
// <etymology>
// ROMSFeedColumns stands for Read-Only MeasurementSet Feed Table columns.
// </etymology>
//
// <synopsis>
// This class provides read-only access to the columns in the MSFeed Table.
// It does the declaration of all the Scalar and ArrayColumns with the
// correct types, so the application programmer doesn't have to
// worry about getting those right. There is an access function
// for every predefined column. Access to non-predefined columns will still
// have to be done with explicit declarations.
// See <linkto class=ROMSColumns> ROMSColumns</linkto> for an example.
// </synopsis>
//
// <motivation>
// See <linkto class=MSColumns> MSColumns</linkto> for the motivation.
// </motivation>
class ROMSFeedColumns
{
public:
// Create a columns object that accesses the data in the specified Table
ROMSFeedColumns(const MSFeed& msFeed);
// The destructor does nothing special
~ROMSFeedColumns();
// Access to required columns
// <group>
const ROScalarColumn<Int>& antennaId() const {return antennaId_p;}
const ROScalarColumn<Int>& beamId() const {return beamId_p;}
const ROArrayColumn<Double>& beamOffset() const {return beamOffset_p;}
const ROArrayQuantColumn<Double>& beamOffsetQuant() const {
return beamOffsetQuant_p;}
const ROArrayMeasColumn<MDirection>& beamOffsetMeas() const
{return beamOffsetMeas_p;}
const ROScalarColumn<Int>& feedId() const {return feedId_p;}
const ROScalarColumn<Double>& interval() const {return interval_p;}
const ROScalarQuantColumn<Double>& intervalQuant() const {
return intervalQuant_p;}
const ROScalarColumn<Int>& numReceptors() const {return numReceptors_p;}
const ROArrayColumn<Complex>& polResponse() const {return polResponse_p;}
const ROArrayColumn<String>& polarizationType() const {
return polarizationType_p;}
const ROArrayColumn<Double>& position() const {return position_p;}
const ROArrayQuantColumn<Double>& positionQuant() const {
return positionQuant_p;}
const ROScalarMeasColumn<MPosition>& positionMeas() const
{ return positionMeas_p;}
const ROArrayColumn<Double>& receptorAngle() const {return receptorAngle_p;}
const ROArrayQuantColumn<Double>& receptorAngleQuant() const {
return receptorAngleQuant_p;}
const ROScalarColumn<Int>& spectralWindowId() const {
return spectralWindowId_p;}
const ROScalarColumn<Double>& time() const {return time_p;}
const ROScalarQuantColumn<Double>& timeQuant() const {
return timeQuant_p;}
const ROScalarMeasColumn<MEpoch>& timeMeas() const {return timeMeas_p;}
// </group>
// Access to optional columns
// <group>
const ROScalarColumn<Double>& focusLength() const {return focusLength_p;}
const ROScalarQuantColumn<Double>& focusLengthQuant() const {
return focusLengthQuant_p;}
const ROScalarColumn<Int>& phasedFeedId() const {return phasedFeedId_p;}
// </group>
// Convenience function that returns the number of rows in any of the columns
uInt nrow() const {return antennaId_p.nrow();}
// Returns the last row that contains a feed with the specified values.
// If no matching row can be found, but a match is possible if the validity
// time interval is widened, return that row and the suggestion for the
// new time information.
// If no change to time is necessary, newTimeQ and newIntervalQ are zero.
// Returns -1 if no match could be found.
// Ignore the Feed table rows contained in vector ignoreRows.
// focusLengthQ is only compared if this optional column is present and
// if the value of focusLengthQ is not dimensionless.
Int matchFeed(Quantum<Double>& newTimeQ,
Quantum<Double>& newIntervalQ,
const Int& antId,
const Int& fId, // feedId
const Int& spwId,
const Quantum<Double>& timeQ,
const Quantum<Double>& intervalQ,
const Int& numRec,
const Array<Quantum<Double> >& beamOffsetQ,
const Array<String>& polType,
const Array<Complex>& polResp,
const Array<Quantum<Double> >& positionQ,
const Array<Quantum<Double> >& receptorAngleQ,
const Vector<uInt>& ignoreRows,
const Quantum<Double>& focusLengthQ=Quantum<Double>()
);
protected:
//# default constructor creates a object that is not usable. Use the attach
//# function correct this.
ROMSFeedColumns();
//# attach this object to the supplied table.
void attach(const MSFeed& msFeed);
private:
//# Make the assignment operator and the copy constructor private to prevent
//# any compiler generated one from being used.
ROMSFeedColumns(const ROMSFeedColumns&);
ROMSFeedColumns& operator=(const ROMSFeedColumns&);
//# Check if any optional columns exist and if so attach them.
void attachOptionalCols(const MSFeed& msFeed);
//# required columns
ROScalarColumn<Int> antennaId_p;
ROScalarColumn<Int> beamId_p;
ROArrayColumn<Double> beamOffset_p;
ROScalarColumn<Int> feedId_p;
ROScalarColumn<Double> interval_p;
ROScalarColumn<Int> numReceptors_p;
ROArrayColumn<Complex> polResponse_p;
ROArrayColumn<String> polarizationType_p;
ROArrayColumn<Double> position_p;
ROArrayColumn<Double> receptorAngle_p;
ROScalarColumn<Int> spectralWindowId_p;
ROScalarColumn<Double> time_p;
//# optional columns
ROScalarColumn<Double> focusLength_p;
ROScalarColumn<Int> phasedFeedId_p;
// Access to Measure columns
ROArrayMeasColumn<MDirection> beamOffsetMeas_p;
ROScalarMeasColumn<MPosition> positionMeas_p;
ROScalarMeasColumn<MEpoch> timeMeas_p;
// Access to Quantum columns
ROArrayQuantColumn<Double> beamOffsetQuant_p;
ROScalarQuantColumn<Double> intervalQuant_p;
ROArrayQuantColumn<Double> positionQuant_p;
ROArrayQuantColumn<Double> receptorAngleQuant_p;
ROScalarQuantColumn<Double> timeQuant_p;
//# optional Quantum columns
ROScalarQuantColumn<Double> focusLengthQuant_p;
};
// <summary>
// A class to provide easy read-write access to MSFeed columns
// </summary>
// <use visibility=export>
// <reviewed reviewer="Bob Garwood" date="1997/02/01" tests="" demos="">
// </reviewed>
// <prerequisite>
// <li> MSFeed
// <li> ArrayColumn
// <li> ScalarColumn
// </prerequisite>
//
// <etymology>
// MSFeedColumns stands for MeasurementSet Feed Table columns.
// </etymology>
//
// <synopsis>
// This class provides access to the columns in the MSFeed Table,
// it does the declaration of all the Scalar and ArrayColumns with the
// correct types, so the application programmer doesn't have to
// worry about getting those right. There is an access function
// for every predefined column. Access to non-predefined columns will still
// have to be done with explicit declarations.
// See <linkto class=MSColumns> MSColumns</linkto> for an example.
// </synopsis>
//
// <motivation>
// See <linkto class=MSColumns> MSColumns</linkto> for the motivation.
// </motivation>
class MSFeedColumns: public ROMSFeedColumns
{
public:
// Create a columns object that accesses the data in the specified Table
MSFeedColumns(MSFeed& msFeed);
// The desctructor does nothing special
~MSFeedColumns();
// Read-write access to required columns
// <group>
ScalarColumn<Int>& antennaId() {return antennaId_p;}
ScalarColumn<Int>& beamId() {return beamId_p;}
ArrayColumn<Double>& beamOffset() {return beamOffset_p;}
ArrayQuantColumn<Double>& beamOffsetQuant() { return beamOffsetQuant_p;}
ArrayMeasColumn<MDirection>& beamOffsetMeas()
{return beamOffsetMeas_p;}
ScalarColumn<Int>& feedId() {return feedId_p;}
ScalarColumn<Double>& interval() {return interval_p;}
ScalarQuantColumn<Double>& intervalQuant() { return intervalQuant_p;}
ScalarColumn<Int>& numReceptors() {return numReceptors_p;}
ArrayColumn<Complex>& polResponse() {return polResponse_p;}
ArrayColumn<String>& polarizationType() {return polarizationType_p;}
ArrayColumn<Double>& position() {return position_p;}
ArrayQuantColumn<Double>& positionQuant() {return positionQuant_p;}
ScalarMeasColumn<MPosition>& positionMeas()
{ return positionMeas_p;}
ArrayColumn<Double>& receptorAngle() {return receptorAngle_p;}
ArrayQuantColumn<Double>& receptorAngleQuant() {
return receptorAngleQuant_p;}
ScalarColumn<Int>& spectralWindowId() {return spectralWindowId_p;}
ScalarColumn<Double>& time() {return time_p;}
ScalarQuantColumn<Double>& timeQuant() { return timeQuant_p;}
ScalarMeasColumn<MEpoch>& timeMeas() { return timeMeas_p;}
// </group>
// Read-write access to optional columns
// <group>
ScalarColumn<Double>& focusLength() {return focusLength_p;}
ScalarQuantColumn<Double>& focusLengthQuant() { return focusLengthQuant_p;}
ScalarColumn<Int>& phasedFeedId() {return phasedFeedId_p;}
// </group>
// Read-only access to required columns
// <group>
const ROScalarColumn<Int>& antennaId() const {
return ROMSFeedColumns::antennaId();}
const ROScalarColumn<Int>& beamId() const {
return ROMSFeedColumns::beamId();}
const ROArrayColumn<Double>& beamOffset() const {
return ROMSFeedColumns::beamOffset();}
const ROArrayQuantColumn<Double>& beamOffsetQuant() const {
return ROMSFeedColumns::beamOffsetQuant();}
const ROArrayMeasColumn<MDirection>& beamOffsetMeas() const {
return ROMSFeedColumns::beamOffsetMeas();}
const ROScalarColumn<Int>& feedId() const {
return ROMSFeedColumns::feedId();}
const ROScalarColumn<Double>& interval() const {
return ROMSFeedColumns::interval();}
const ROScalarQuantColumn<Double>& intervalQuant() const {
return ROMSFeedColumns::intervalQuant();}
const ROScalarColumn<Int>& numReceptors() const {
return ROMSFeedColumns::numReceptors();}
const ROArrayColumn<Complex>& polResponse() const {
return ROMSFeedColumns::polResponse();}
const ROArrayColumn<String>& polarizationType() const {
return ROMSFeedColumns::polarizationType();}
const ROArrayColumn<Double>& position() const {
return ROMSFeedColumns::position();}
const ROArrayQuantColumn<Double>& positionQuant() const {
return ROMSFeedColumns::positionQuant();}
const ROScalarMeasColumn<MPosition>& positionMeas() const {
return ROMSFeedColumns::positionMeas();}
const ROArrayColumn<Double>& receptorAngle() const {
return ROMSFeedColumns::receptorAngle();}
const ROArrayQuantColumn<Double>& receptorAngleQuant() const {
return ROMSFeedColumns::receptorAngleQuant();}
const ROScalarColumn<Int>& spectralWindowId() const {
return ROMSFeedColumns::spectralWindowId();}
const ROScalarColumn<Double>& time() const {
return ROMSFeedColumns::time();}
const ROScalarQuantColumn<Double>& timeQuant() const {
return ROMSFeedColumns::timeQuant();}
const ROScalarMeasColumn<MEpoch>& timeMeas() const {
return ROMSFeedColumns::timeMeas();}
// </group>
// Read-only access to optional columns
// <group>
const ROScalarColumn<Double>& focusLength() const {
return ROMSFeedColumns::focusLength();}
const ROScalarQuantColumn<Double>& focusLengthQuant() const {
return ROMSFeedColumns::focusLengthQuant();}
const ROScalarColumn<Int>& phasedFeedId() const {
return ROMSFeedColumns::phasedFeedId();}
// </group>
// set the epoch type for the TIME column.
// <note role=tip>
// In principle this function can only be used if the table is empty,
// otherwise already written values may thereafter have an incorrect
// reference, offset, or unit. However, it is possible that part of the
// table gets written before these values are known. In that case the
// reference, offset, or units can be set by using a False
// <src>tableMustBeEmpty</src> argument.
// </note>
void setEpochRef(MEpoch::Types ref, Bool tableMustBeEmpty=True);
// set the direction type for the BEAM_OFFSET column. This can only be done
// when the table has no rows. Trying to do so at other times will throw an
// exception.
void setDirectionRef(MDirection::Types ref);
// set the position type for the POSITION column. This can only be done when
// the table has no rows. Trying to do so at other times will throw an
// exception.
void setPositionRef(MPosition::Types ref);
protected:
//# default constructor creates a object that is not usable. Use the attach
//# function correct this.
MSFeedColumns();
//# attach this object to the supplied table.
void attach(MSFeed& msFeed);
private:
//# Make the assignment operator and the copy constructor private to prevent
//# any compiler generated one from being used.
MSFeedColumns(const MSFeedColumns&);
MSFeedColumns& operator=(const MSFeedColumns&);
//# Check if any optional columns exist and if so attach them.
void attachOptionalCols(MSFeed& msFeed);
//# required columns
ScalarColumn<Int> antennaId_p;
ScalarColumn<Int> beamId_p;
ArrayColumn<Double> beamOffset_p;
ScalarColumn<Int> feedId_p;
ScalarColumn<Double> interval_p;
ScalarColumn<Int> numReceptors_p;
ArrayColumn<Complex> polResponse_p;
ArrayColumn<String> polarizationType_p;
ArrayColumn<Double> position_p;
ArrayColumn<Double> receptorAngle_p;
ScalarColumn<Int> spectralWindowId_p;
ScalarColumn<Double> time_p;
//# optional columns
ScalarColumn<Double> focusLength_p;
ScalarColumn<Int> phasedFeedId_p;
//# Access to Measure columns
ArrayMeasColumn<MDirection> beamOffsetMeas_p;
ScalarMeasColumn<MPosition> positionMeas_p;
ScalarMeasColumn<MEpoch> timeMeas_p;
//# Access to Quantum columns
ArrayQuantColumn<Double> beamOffsetQuant_p;
ScalarQuantColumn<Double> intervalQuant_p;
ArrayQuantColumn<Double> positionQuant_p;
ArrayQuantColumn<Double> receptorAngleQuant_p;
ScalarQuantColumn<Double> timeQuant_p;
//# optional Quantum columns
ScalarQuantColumn<Double> focusLengthQuant_p;
};
} //# NAMESPACE CASACORE - END
#endif
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