| 1 | //#---------------------------------------------------------------------------
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| 2 | //# PKSreader.h: Class to read Parkes multibeam data.
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| 3 | //#---------------------------------------------------------------------------
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| 4 | //# Copyright (C) 2000-2006
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| 5 | //# Associated Universities, Inc. Washington DC, USA.
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| 6 | //#
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| 7 | //# This library is free software; you can redistribute it and/or modify it
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| 8 | //# under the terms of the GNU Library General Public License as published by
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| 9 | //# the Free Software Foundation; either version 2 of the License, or (at your
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| 10 | //# option) any later version.
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| 11 | //#
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| 12 | //# This library is distributed in the hope that it will be useful, but WITHOUT
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| 13 | //# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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| 14 | //# FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public
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| 15 | //# License for more details.
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| 16 | //#
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| 17 | //# You should have received a copy of the GNU Library General Public License
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| 18 | //# along with this library; if not, write to the Free Software Foundation,
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| 19 | //# Inc., 675 Massachusetts Ave, Cambridge, MA 02139, USA.
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| 20 | //#
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| 21 | //# Correspondence concerning AIPS++ should be addressed as follows:
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| 22 | //# Internet email: aips2-request@nrao.edu.
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| 23 | //# Postal address: AIPS++ Project Office
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| 24 | //# National Radio Astronomy Observatory
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| 25 | //# 520 Edgemont Road
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| 26 | //# Charlottesville, VA 22903-2475 USA
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| 27 | //#
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| 28 | //# $Id$
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| 29 | //#---------------------------------------------------------------------------
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| 30 | //# Original: 2000/08/02, Mark Calabretta, ATNF
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| 31 | //#---------------------------------------------------------------------------
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| 32 |
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| 33 | #ifndef ATNF_PKSREADER_H
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| 34 | #define ATNF_PKSREADER_H
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| 35 |
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| 36 | #include <casa/aips.h>
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| 37 | #include <casa/Arrays/Matrix.h>
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| 38 | #include <casa/Arrays/Vector.h>
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| 39 | #include <casa/BasicSL/Complex.h>
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| 40 | #include <casa/BasicSL/String.h>
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| 41 |
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| 42 | // <summary>
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| 43 | // Class to read Parkes multibeam data.
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| 44 | // </summary>
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| 45 |
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| 46 | #include <casa/namespace.h>
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| 47 |
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| 48 | // Open an appropriate PKSreader for a Parkes Multibeam dataset.
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| 49 | class PKSreader* getPKSreader(
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| 50 | const String name,
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| 51 | const Int retry,
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| 52 | const Int interpolate,
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| 53 | String &format,
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| 54 | Vector<Bool> &beams,
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| 55 | Vector<Bool> &IFs,
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| 56 | Vector<uInt> &nChan,
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| 57 | Vector<uInt> &nPol,
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| 58 | Vector<Bool> &haveXPol,
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| 59 | Bool &haveBase,
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| 60 | Bool &haveSpectra);
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| 61 |
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| 62 | // As above, but search a list of directories for it.
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| 63 | class PKSreader* getPKSreader(
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| 64 | const String name,
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| 65 | const Vector<String> directories,
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| 66 | const Int retry,
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| 67 | const Int interpolate,
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| 68 | Int &iDir,
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| 69 | String &format,
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| 70 | Vector<Bool> &beams,
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| 71 | Vector<Bool> &IFs,
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| 72 | Vector<uInt> &nChan,
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| 73 | Vector<uInt> &nPol,
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| 74 | Vector<Bool> &haveXPol,
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| 75 | Bool &haveBase,
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| 76 | Bool &haveSpectra);
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| 77 |
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| 78 |
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| 79 | class PKSreader
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| 80 | {
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| 81 | public:
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| 82 | // Destructor.
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| 83 | virtual ~PKSreader() {};
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| 84 |
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| 85 | // Open the dataset.
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| 86 | virtual Int open(
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| 87 | const String inName,
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| 88 | Vector<Bool> &beams,
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| 89 | Vector<Bool> &IFs,
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| 90 | Vector<uInt> &nChan,
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| 91 | Vector<uInt> &nPol,
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| 92 | Vector<Bool> &haveXPol,
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| 93 | Bool &haveBase,
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| 94 | Bool &haveSpectra) = 0;
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| 95 |
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| 96 | // Get parameters describing the data.
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| 97 | virtual Int getHeader(
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| 98 | String &observer,
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| 99 | String &project,
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| 100 | String &antName,
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| 101 | Vector<Double> &antPosition,
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| 102 | String &obsType,
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| 103 | Float &equinox,
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| 104 | String &dopplerFrame,
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| 105 | Double &mjd,
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| 106 | Double &refFreq,
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| 107 | Double &bandwidth,
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| 108 | String &fluxunit) = 0;
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| 109 |
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| 110 | // Get frequency parameters for each IF.
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| 111 | virtual Int getFreqInfo(
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| 112 | Vector<Double> &startFreq,
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| 113 | Vector<Double> &endFreq) = 0;
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| 114 |
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| 115 | // Set data selection criteria. Channel numbering is 1-relative, zero or
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| 116 | // negative channel numbers are taken to be offsets from the last channel.
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| 117 | virtual uInt select(
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| 118 | const Vector<Bool> beamSel,
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| 119 | const Vector<Bool> IFsel,
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| 120 | const Vector<Int> startChan,
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| 121 | const Vector<Int> endChan,
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| 122 | const Vector<Int> refChan,
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| 123 | const Bool getSpectra = True,
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| 124 | const Bool getXPol = False,
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| 125 | const Bool getFeedPos = False) = 0;
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| 126 |
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| 127 | // Find the range of the data selected in time and position.
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| 128 | virtual Int findRange(
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| 129 | Int &nRow,
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| 130 | Int &nSel,
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| 131 | Vector<Double> &timeSpan,
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| 132 | Matrix<Double> &positions) = 0;
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| 133 |
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| 134 | // Read the next data record.
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| 135 | virtual Int read(
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| 136 | Int &scanNo,
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| 137 | Int &cycleNo,
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| 138 | Double &mjd,
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| 139 | Double &interval,
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| 140 | String &fieldName,
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| 141 | String &srcName,
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| 142 | Vector<Double> &srcDir,
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| 143 | Vector<Double> &srcPM,
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| 144 | Double &srcVel,
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| 145 | String &obsType,
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| 146 | Int &IFno,
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| 147 | Double &refFreq,
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| 148 | Double &bandwidth,
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| 149 | Double &freqInc,
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| 150 | Vector<Double> &restFreq,
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| 151 | Vector<Float> &tcal,
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| 152 | String &tcalTime,
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| 153 | Float &azimuth,
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| 154 | Float &elevation,
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| 155 | Float &parAngle,
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| 156 | Float &focusAxi,
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| 157 | Float &focusTan,
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| 158 | Float &focusRot,
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| 159 | Float &temperature,
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| 160 | Float &pressure,
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| 161 | Float &humidity,
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| 162 | Float &windSpeed,
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| 163 | Float &windAz,
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| 164 | Int &refBeam,
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| 165 | Int &beamNo,
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| 166 | Vector<Double> &direction,
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| 167 | Vector<Double> &scanRate,
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| 168 | Vector<Float> &tsys,
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| 169 | Vector<Float> &sigma,
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| 170 | Vector<Float> &calFctr,
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| 171 | Matrix<Float> &baseLin,
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| 172 | Matrix<Float> &baseSub,
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| 173 | Matrix<Float> &spectra,
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| 174 | Matrix<uChar> &flagged,
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| 175 | Complex &xCalFctr,
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| 176 | Vector<Complex> &xPol) = 0;
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| 177 |
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| 178 | // Read the next data record, just the basics.
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| 179 | virtual Int read(
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| 180 | Int &IFno,
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| 181 | Vector<Float> &tsys,
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| 182 | Vector<Float> &calFctr,
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| 183 | Matrix<Float> &baseLin,
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| 184 | Matrix<Float> &baseSub,
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| 185 | Matrix<Float> &spectra,
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| 186 | Matrix<uChar> &flagged) = 0;
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| 187 |
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| 188 | // Close the input file.
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| 189 | virtual void close() = 0;
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| 190 |
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| 191 | protected:
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| 192 | Bool cGetFeedPos, cGetSpectra, cGetXPol;
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| 193 |
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| 194 | Vector<uInt> cNChan, cNPol;
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| 195 | Vector<Bool> cHaveXPol;
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| 196 | };
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| 197 |
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| 198 | #endif
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