/usr/include/casacore/ms/MSSel/MSSelectionKeywords.h is in casacore-dev 2.2.0-2.
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//# Copyright (C) 1997,1998,1999,2000,2001
//# 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_MSSELECTIONKEYWORDS_H
#define MS_MSSELECTIONKEYWORDS_H
#include <casacore/casa/aips.h>
namespace casacore { //# NAMESPACE CASACORE - BEGIN
template <class K, class V> class SimpleOrderedMap;
template <class T> class Block;
// forward declare the class so we can typedef it
class MSSelectionKeywords;
class String;
// Define a shorthand notation for this class, so enums can be specified
// easily.
typedef MSSelectionKeywords MSS;
// <summary>
// MSSelectionKeywords specifies selection keywords for the MeasurementSet
// </summary>
// <use visibility=export>
// <reviewed reviewer="" date="yyyy/mm/dd" tests="" demos="">
// </reviewed>
// <prerequisite>
// <li> MeasurementSet
// <li> MSSelector
// </prerequisite>
//
// <etymology>
// MSSelectionKeywords is a class that defines selection keywords
// </etymology>
//
// <synopsis>
// This class is used to specify selections on a MeasurementSet.
// It is a purely static class that just defines a mapping from
// Strings to Enums, and provides these for use by classes like
// MSSelector and MSRange
//
// <example> <srcblock>
// </srcblock></example>
// </synopsis>
//
// <motivation>
// Selection keywords are needed for several classes, this class provides
// them to all, avoiding duplication in each class.
// </motivation>
//
// <thrown>
// <li>
// <li>
// </thrown>
//
// <todo asof="yyyy/mm/dd">
// <li> add this feature
// </todo>
class MSSelectionKeywords
{
public:
// The fields in the MS for which selection and range operations are
// defined. Some of these directly correspond to columns in the table,
// others are derived quantities or columns in subtables.
enum Field {
// undefined field
UNDEFINED=0,
// the range of visibility amplitude
AMPLITUDE,
// the range of corrected vis amplitude
CORRECTED_AMPLITUDE,
// the range of model vis amplitude
MODEL_AMPLITUDE,
// the amplitude of the ratio corrected data/model data
RATIO_AMPLITUDE,
// the residual vis amplitude (corrected-model)
RESIDUAL_AMPLITUDE,
// the observed residual vis amplitude (observed-model)
OBS_RESIDUAL_AMPLITUDE,
// the list of antenna1 id values
ANTENNA1,
// the list of antenna2 id values
ANTENNA2,
// the list of antenna names
ANTENNAS,
// the list of array id values
ARRAY_ID,
// description of the data axes
AXIS_INFO,
// the channel frequencies, a vector for each selected spectral window
CHAN_FREQ,
// the list of polarizations present, this gives the String values
CORR_NAMES,
// the list of polarizations present, this gives the Stokes enum values
CORR_TYPES,
// the complex data
DATA,
// the complex corrected data
CORRECTED_DATA,
//the complex model data
MODEL_DATA,
// the ratio corrected data/model data
RATIO_DATA,
// the residual data (corrected - model)
RESIDUAL_DATA,
// the observed residual data (observed - model)
OBS_RESIDUAL_DATA,
// the list of dataDescription id values
DATA_DESC_ID,
// the list of feed1 id values
FEED1,
// the list of feed2 id values
FEED2,
// the list of field_id values
FIELD_ID,
// the list of field names
FIELDS,
// the flags
FLAG,
// the row flags
FLAG_ROW,
// a summary of flags (flag count summed over rows)
FLAG_SUM,
// the float data (optional single dish column)
FLOAT_DATA,
// Hour angle
HA,
// the list of interferometers (= 1000*ant1+ant2) present
IFR_NUMBER,
// the (range of the) imaginary part of the visibilities
IMAGINARY,
// the (range of the) imaginary part of the corrected visibilities
CORRECTED_IMAGINARY,
// the (range of the) imaginary part of the model visibilities
MODEL_IMAGINARY,
// the imaginary part of the ratio corrected data/model data
RATIO_IMAGINARY,
// the (range of the) imaginary part of the residual visibilities
RESIDUAL_IMAGINARY,
// the (range of the) imaginary part of the observed residual visibilities
OBS_RESIDUAL_IMAGINARY,
// Local Apparent Sidereal Time
LAST,
// the number of correlation products (polarizations) for selected spectral window
NUM_CORR,
// the number of spectral channels for selected spectral window
NUM_CHAN,
// the (range of the) phase of the visibilities
PHASE,
// the (range of the) phase of the corrected visibilities
CORRECTED_PHASE,
// the (range of the) phase of the model visibilities
MODEL_PHASE,
// the phase of the ratio corrected data/model data
RATIO_PHASE,
// the (range of the) phase of the residual visibilities
RESIDUAL_PHASE,
// the (range of the) phase of the observed residual visibilities
OBS_RESIDUAL_PHASE,
// the phase center direction for each field (matrix + epoch)
PHASE_DIR,
// the (range of the) real part of the visibilities
REAL,
// the (range of the) real part of the corrected visibilities
CORRECTED_REAL,
// the (range of the) real part of the model visibilities
MODEL_REAL,
// the real part of the ratio corrected data/model data
RATIO_REAL,
// the real part of the residual visibilities (corrected-model)
RESIDUAL_REAL,
// the real part of the observed residuals (observed-model)
OBS_RESIDUAL_REAL,
// the reference frequency for selected spectral window (or vector with all)
REF_FREQUENCY,
// the list of row numbers in the original MS
ROWS,
// the list of scan_number values
SCAN_NUMBER,
//# the list of spectral window id values
//# SPECTRAL_WINDOW_ID,
// the per spectrum sigmas
SIGMA,
// the range of times
TIME,
// the list of time values
TIMES,
// UT time (seconds of current day)
UT,
// the uvw coordinates
UVW,
// the (range of the) U coordinate (m)
//# Note:order of U, V and W is important, no intervening items allowed
//# without changing select() code.
U,
// the (range of the) V coordinate (m)
V,
// the (range of the) W coordinate (m)
W,
// the (range of the) UV-distance (m)
UVDIST,
// the weights
WEIGHT,
// Number of keywords
NUMBER_KEYWORDS
};
// convert a keyword string to the corresponding enum
static Field field(const String& keyword);
// convert an enum value to the corresponding keyword string
static const String& keyword(Field field);
protected:
// This class is purely static, no instances are allowed.
MSSelectionKeywords();
MSSelectionKeywords(const MSSelectionKeywords& other);
MSSelectionKeywords& operator=(const MSSelectionKeywords& other);
// initialization function for the string to enum mapping
static void initMap(SimpleOrderedMap<String,Int>*& fieldMap,
Block<Int>*& reverseMap);
};
} //# NAMESPACE CASACORE - END
#endif
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