[2] | 1 | //#--------------------------------------------------------------------------- |
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| 2 | //# SDMath.cc: A collection of single dish mathematical operations |
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| 3 | //#--------------------------------------------------------------------------- |
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| 4 | //# Copyright (C) 2004 |
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| 5 | //# Malte Marquarding, ATNF |
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| 6 | //# |
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| 7 | //# This program is free software; you can redistribute it and/or modify it |
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| 8 | //# under the terms of the GNU General Public License as published by the Free |
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| 9 | //# Software Foundation; either version 2 of the License, or (at your option) |
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| 10 | //# any later version. |
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| 11 | //# |
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| 12 | //# This program is distributed in the hope that it will be useful, but |
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| 13 | //# WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 14 | //# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General |
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| 15 | //# Public License for more details. |
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| 16 | //# |
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| 17 | //# You should have received a copy of the GNU General Public License along |
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| 18 | //# with this program; if not, write to the Free Software Foundation, Inc., |
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| 19 | //# 675 Massachusetts Ave, Cambridge, MA 02139, USA. |
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| 20 | //# |
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| 21 | //# Correspondence concerning this software should be addressed as follows: |
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| 22 | //# Internet email: Malte.Marquarding@csiro.au |
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| 23 | //# Postal address: Malte Marquarding, |
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| 24 | //# Australia Telescope National Facility, |
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| 25 | //# P.O. Box 76, |
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| 26 | //# Epping, NSW, 2121, |
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| 27 | //# AUSTRALIA |
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| 28 | //# |
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| 29 | //# $Id: |
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| 30 | //#--------------------------------------------------------------------------- |
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[38] | 31 | #include <vector> |
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| 32 | |
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[2] | 33 | #include <aips/aips.h> |
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| 34 | #include <aips/Utilities/String.h> |
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| 35 | #include <aips/Arrays/IPosition.h> |
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| 36 | #include <aips/Arrays/Array.h> |
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[38] | 37 | #include <aips/Arrays/ArrayAccessor.h> |
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| 38 | #include <aips/Arrays/Slice.h> |
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[2] | 39 | #include <aips/Arrays/ArrayMath.h> |
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| 40 | #include <aips/Arrays/ArrayLogical.h> |
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| 41 | #include <aips/Arrays/MaskedArray.h> |
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| 42 | #include <aips/Arrays/MaskArrMath.h> |
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| 43 | #include <aips/Arrays/MaskArrLogi.h> |
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| 44 | |
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| 45 | #include <aips/Tables/Table.h> |
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| 46 | #include <aips/Tables/ScalarColumn.h> |
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| 47 | #include <aips/Tables/ArrayColumn.h> |
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| 48 | |
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[38] | 49 | #include <aips/Fitting.h> |
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| 50 | #include <trial/Fitting/LinearFit.h> |
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| 51 | #include <trial/Functionals/CompiledFunction.h> |
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[48] | 52 | #include <trial/Images/ImageUtilities.h> |
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| 53 | #include <trial/Coordinates/SpectralCoordinate.h> |
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[38] | 54 | #include <aips/Mathematics/AutoDiff.h> |
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| 55 | #include <aips/Mathematics/AutoDiffMath.h> |
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| 56 | |
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| 57 | #include "MathUtils.h" |
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[2] | 58 | #include "SDContainer.h" |
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| 59 | #include "SDMemTable.h" |
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| 60 | |
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| 61 | #include "SDMath.h" |
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| 62 | |
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| 63 | using namespace atnf_sd; |
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| 64 | |
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| 65 | static CountedPtr<SDMemTable> SDMath::average(const CountedPtr<SDMemTable>& in) { |
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| 66 | Table t = in->table(); |
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| 67 | ROArrayColumn<Float> tsys(t, "TSYS"); |
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| 68 | ROScalarColumn<Double> mjd(t, "TIME"); |
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| 69 | ROScalarColumn<String> srcn(t, "SRCNAME"); |
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[15] | 70 | ROScalarColumn<Double> integr(t, "INTERVAL"); |
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[38] | 71 | ROArrayColumn<uInt> freqidc(t, "FREQID"); |
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[2] | 72 | IPosition ip = in->rowAsMaskedArray(0).shape(); |
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| 73 | Array<Float> outarr(ip); outarr =0.0; |
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| 74 | Array<Float> narr(ip);narr = 0.0; |
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| 75 | Array<Float> narrinc(ip);narrinc = 1.0; |
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| 76 | |
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| 77 | Array<Float> tsarr(tsys.shape(0)); |
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| 78 | Array<Float> outtsarr(tsys.shape(0)); |
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[48] | 79 | outtsarr =0.0; |
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| 80 | tsys.get(0, tsarr);// this is probably unneccessary as tsys should |
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[2] | 81 | Double tme = 0.0; |
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[15] | 82 | Double inttime = 0.0; |
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[2] | 83 | |
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| 84 | for (uInt i=0; i < t.nrow(); i++) { |
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| 85 | // data stuff |
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| 86 | MaskedArray<Float> marr(in->rowAsMaskedArray(i)); |
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| 87 | outarr += marr; |
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| 88 | MaskedArray<Float> n(narrinc,marr.getMask()); |
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| 89 | narr += n; |
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| 90 | // get |
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| 91 | tsys.get(i, tsarr);// this is probably unneccessary as tsys should |
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| 92 | outtsarr += tsarr; // be constant |
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| 93 | Double tmp; |
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| 94 | mjd.get(i,tmp); |
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| 95 | tme += tmp;// average time |
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[15] | 96 | integr.get(i,tmp); |
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| 97 | inttime += tmp; |
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[2] | 98 | } |
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| 99 | // averaging using mask |
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[9] | 100 | MaskedArray<Float> nma(narr,(narr > Float(0))); |
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[2] | 101 | outarr /= nma; |
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[9] | 102 | Array<Bool> outflagsb = !(nma.getMask()); |
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| 103 | Array<uChar> outflags(outflagsb.shape()); |
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| 104 | convertArray(outflags,outflagsb); |
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[48] | 105 | SDContainer sc = in->getSDContainer(); |
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[2] | 106 | Int n = t.nrow(); |
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[48] | 107 | outtsarr /= Float(n); |
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| 108 | sc.timestamp = tme/Double(n); |
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| 109 | sc.interval = inttime; |
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[15] | 110 | String tstr; srcn.getScalar(0,tstr);// get sourcename of "mid" point |
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[2] | 111 | sc.sourcename = tstr; |
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[38] | 112 | Vector<uInt> tvec; |
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| 113 | freqidc.get(0,tvec); |
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| 114 | sc.putFreqMap(tvec); |
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[48] | 115 | sc.putTsys(outtsarr); |
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[38] | 116 | sc.scanid = 0; |
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[2] | 117 | sc.putSpectrum(outarr); |
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[9] | 118 | sc.putFlags(outflags); |
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[15] | 119 | SDMemTable* sdmt = new SDMemTable(*in,True); |
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[2] | 120 | sdmt->putSDContainer(sc); |
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| 121 | return CountedPtr<SDMemTable>(sdmt); |
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| 122 | } |
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[9] | 123 | |
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| 124 | static CountedPtr<SDMemTable> |
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| 125 | SDMath::quotient(const CountedPtr<SDMemTable>& on, |
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| 126 | const CountedPtr<SDMemTable>& off) { |
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| 127 | |
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| 128 | Table ton = on->table(); |
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| 129 | Table toff = off->table(); |
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[15] | 130 | ROArrayColumn<Float> tsys(toff, "TSYS"); |
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[9] | 131 | ROScalarColumn<Double> mjd(ton, "TIME"); |
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[15] | 132 | ROScalarColumn<Double> integr(ton, "INTERVAL"); |
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[9] | 133 | ROScalarColumn<String> srcn(ton, "SRCNAME"); |
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[38] | 134 | ROArrayColumn<uInt> freqidc(ton, "FREQID"); |
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| 135 | |
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[9] | 136 | MaskedArray<Float> mon(on->rowAsMaskedArray(0)); |
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| 137 | MaskedArray<Float> moff(off->rowAsMaskedArray(0)); |
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| 138 | IPosition ipon = mon.shape(); |
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| 139 | IPosition ipoff = moff.shape(); |
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[48] | 140 | Array<Float> tsarr;//(tsys.shape(0)); |
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| 141 | tsys.get(0, tsarr); |
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[9] | 142 | if (ipon != ipoff && ipon != tsarr.shape()) |
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| 143 | cerr << "on/off not conformant" << endl; |
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| 144 | |
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| 145 | MaskedArray<Float> tmp = (mon-moff); |
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| 146 | Array<Float> out(tmp.getArray()); |
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| 147 | out /= moff; |
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| 148 | out *= tsarr; |
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| 149 | Array<Bool> outflagsb = !(mon.getMask() && moff.getMask()); |
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| 150 | Array<uChar> outflags(outflagsb.shape()); |
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| 151 | convertArray(outflags,outflagsb); |
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[48] | 152 | SDContainer sc = on->getSDContainer(); |
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| 153 | sc.putTsys(tsarr); |
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[38] | 154 | sc.scanid = 0; |
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[9] | 155 | sc.putSpectrum(out); |
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[48] | 156 | sc.putFlags(outflags); |
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[15] | 157 | SDMemTable* sdmt = new SDMemTable(*on, True); |
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[9] | 158 | sdmt->putSDContainer(sc); |
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| 159 | return CountedPtr<SDMemTable>(sdmt); |
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| 160 | } |
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[48] | 161 | |
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[15] | 162 | static CountedPtr<SDMemTable> |
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| 163 | SDMath::multiply(const CountedPtr<SDMemTable>& in, Float factor) { |
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| 164 | SDMemTable* sdmt = new SDMemTable(*in); |
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| 165 | Table t = sdmt->table(); |
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| 166 | ArrayColumn<Float> spec(t,"SPECTRA"); |
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[9] | 167 | |
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[15] | 168 | for (uInt i=0; i < t.nrow(); i++) { |
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| 169 | // data stuff |
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| 170 | MaskedArray<Float> marr(sdmt->rowAsMaskedArray(i)); |
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| 171 | marr *= factor; |
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| 172 | spec.put(i, marr.getArray()); |
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| 173 | } |
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| 174 | return CountedPtr<SDMemTable>(sdmt); |
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| 175 | } |
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[48] | 176 | |
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| 177 | static bool SDMath::fit(Vector<Float>& thefit, const Vector<Float>& data, |
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| 178 | const Vector<Bool>& mask, |
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| 179 | const std::string& fitexpr) { |
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| 180 | |
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[38] | 181 | LinearFit<Float> fitter; |
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[48] | 182 | Vector<Float> x(data.nelements()); |
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[38] | 183 | indgen(x); |
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| 184 | CompiledFunction<AutoDiff<Float> > fn; |
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| 185 | fn.setFunction(String(fitexpr)); |
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| 186 | fitter.setFunction(fn); |
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| 187 | Vector<Float> out,out1; |
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[48] | 188 | out = fitter.fit(x,data,&mask); |
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| 189 | thefit = data; |
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| 190 | fitter.residual(thefit, x); |
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| 191 | cout << "Parameter solution = " << out << endl; |
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| 192 | return True; |
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[38] | 193 | } |
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| 194 | |
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[48] | 195 | static CountedPtr<SDMemTable> |
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| 196 | SDMath::baseline(const CountedPtr<SDMemTable>& in, |
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| 197 | const std::string& fitexpr, |
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| 198 | const std::vector<bool>& mask) { |
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| 199 | |
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| 200 | IPosition ip = in->rowAsMaskedArray(0).shape(); |
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| 201 | SDContainer sc = in->getSDContainer(); |
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| 202 | String sname(in->getSourceName()); |
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| 203 | String stim(in->getTime()); |
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| 204 | cout << "Fitting: " << String(fitexpr) << " to " |
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| 205 | << sname << " [" << stim << "]" << ":" <<endl; |
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| 206 | MaskedArray<Float> marr(in->rowAsMaskedArray(0)); |
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| 207 | Vector<Bool> inmask(mask); |
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| 208 | Array<Float> arr = marr.getArray(); |
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| 209 | Array<Bool> barr = marr.getMask(); |
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| 210 | for (uInt i=0; i<in->nBeam();++i) { |
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| 211 | for (uInt j=0; j<in->nIF();++j) { |
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| 212 | for (uInt k=0; k<in->nPol();++k) { |
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| 213 | IPosition start(4,i,j,k,0); |
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| 214 | IPosition end(4,i,j,k,in->nChan()-1); |
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| 215 | Array<Float> subArr(arr(start,end)); |
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| 216 | Array<Bool> subMask(barr(start,end)); |
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| 217 | Vector<Float> outv; |
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| 218 | Vector<Float> v(subArr.nonDegenerate()); |
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| 219 | Vector<Bool> m(subMask.nonDegenerate()); |
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| 220 | cout << "\t Polarisation " << k << "\t"; |
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| 221 | SDMath::fit(outv, v, m&&inmask, fitexpr); |
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| 222 | ArrayAccessor<Float, Axis<0> > aa0(outv); |
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| 223 | for (ArrayAccessor<Float, Axis<3> > aa(subArr); aa != aa.end();++aa) { |
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| 224 | (*aa) = (*aa0); |
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| 225 | aa0++; |
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| 226 | } |
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| 227 | } |
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| 228 | } |
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| 229 | } |
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| 230 | Array<uChar> outflags(barr.shape()); |
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| 231 | convertArray(outflags,!barr); |
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| 232 | sc.putSpectrum(arr); |
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| 233 | sc.putFlags(outflags); |
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| 234 | SDMemTable* sdmt = new SDMemTable(*in,True); |
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| 235 | sdmt->putSDContainer(sc); |
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| 236 | return CountedPtr<SDMemTable>(sdmt); |
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| 237 | } |
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[38] | 238 | |
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[48] | 239 | |
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[38] | 240 | static CountedPtr<SDMemTable> |
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| 241 | SDMath::hanning(const CountedPtr<SDMemTable>& in) { |
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[48] | 242 | |
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[38] | 243 | IPosition ip = in->rowAsMaskedArray(0).shape(); |
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| 244 | MaskedArray<Float> marr(in->rowAsMaskedArray(0)); |
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| 245 | |
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| 246 | Array<Float> arr = marr.getArray(); |
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| 247 | Array<Bool> barr = marr.getMask(); |
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| 248 | for (uInt i=0; i<in->nBeam();++i) { |
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| 249 | for (uInt j=0; j<in->nIF();++j) { |
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| 250 | for (uInt k=0; k<in->nPol();++k) { |
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| 251 | IPosition start(4,i,j,k,0); |
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| 252 | IPosition end(4,i,j,k,in->nChan()-1); |
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| 253 | Array<Float> subArr(arr(start,end)); |
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| 254 | Array<Bool> subMask(barr(start,end)); |
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| 255 | Vector<Float> outv; |
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| 256 | Vector<Bool> outm; |
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| 257 | Vector<Float> v(subArr.nonDegenerate()); |
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| 258 | Vector<Bool> m(subMask.nonDegenerate()); |
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| 259 | ::hanning(outv,outm,v,m); |
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| 260 | ArrayAccessor<Float, Axis<0> > aa0(outv); |
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| 261 | ArrayAccessor<Bool, Axis<0> > ba0(outm); |
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| 262 | ArrayAccessor<Bool, Axis<3> > ba(subMask); |
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| 263 | for (ArrayAccessor<Float, Axis<3> > aa(subArr); aa != aa.end();++aa) { |
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| 264 | (*aa) = (*aa0); |
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| 265 | (*ba) = (*ba0); |
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| 266 | aa0++; |
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| 267 | ba0++; |
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| 268 | ba++; |
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| 269 | } |
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| 270 | } |
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| 271 | } |
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| 272 | } |
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| 273 | Array<uChar> outflags(barr.shape()); |
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| 274 | convertArray(outflags,!barr); |
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| 275 | SDContainer sc = in->getSDContainer(); |
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| 276 | sc.putSpectrum(arr); |
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| 277 | sc.putFlags(outflags); |
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| 278 | SDMemTable* sdmt = new SDMemTable(*in,True); |
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| 279 | sdmt->putSDContainer(sc); |
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| 280 | return CountedPtr<SDMemTable>(sdmt); |
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| 281 | } |
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| 282 | |
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[48] | 283 | static CountedPtr<SDMemTable> |
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| 284 | SDMath::averages(const Block<CountedPtr<SDMemTable> >& in, |
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| 285 | const Vector<Bool>& mask) { |
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| 286 | IPosition ip = in[0]->rowAsMaskedArray(0).shape(); |
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| 287 | Array<Float> arr(ip); |
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| 288 | Array<Bool> barr(ip); |
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| 289 | Double inttime = 0.0; |
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[15] | 290 | |
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[48] | 291 | uInt n = in[0]->nChan(); |
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| 292 | for (uInt i=0; i<in[0]->nBeam();++i) { |
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| 293 | for (uInt j=0; j<in[0]->nIF();++j) { |
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| 294 | for (uInt k=0; k<in[0]->nPol();++k) { |
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| 295 | Float stdevsqsum = 0.0; |
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| 296 | Vector<Float> initvec(n);initvec = 0.0; |
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| 297 | Vector<Bool> initmask(n);initmask = True; |
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| 298 | MaskedArray<Float> outmarr(initvec,initmask); |
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| 299 | for (uInt bi=0; bi< in.nelements(); ++bi) { |
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| 300 | MaskedArray<Float> marr(in[bi]->rowAsMaskedArray(0)); |
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| 301 | inttime += in[bi]->getInterval(); |
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| 302 | Array<Float> arr = marr.getArray(); |
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| 303 | Array<Bool> barr = marr.getMask(); |
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| 304 | IPosition start(4,i,j,k,0); |
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| 305 | IPosition end(4,i,j,k,n-1); |
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| 306 | Array<Float> subArr(arr(start,end)); |
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| 307 | Array<Bool> subMask(barr(start,end)); |
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| 308 | Vector<Float> outv; |
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| 309 | Vector<Bool> outm; |
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| 310 | Vector<Float> v(subArr.nonDegenerate()); |
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| 311 | Vector<Bool> m(subMask.nonDegenerate()); |
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| 312 | MaskedArray<Float> tmparr(v,m); |
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| 313 | MaskedArray<Float> tmparr2(tmparr(mask)); |
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| 314 | Float stdvsq = pow(stddev(tmparr2),2); |
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| 315 | stdevsqsum+=1.0/stdvsq; |
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| 316 | tmparr /= stdvsq; |
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| 317 | outmarr += tmparr; |
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| 318 | } |
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| 319 | outmarr /= stdevsqsum; |
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| 320 | Array<Float> tarr(outmarr.getArray()); |
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| 321 | Array<Bool> tbarr(outmarr.getMask()); |
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| 322 | IPosition start(4,i,j,k,0); |
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| 323 | IPosition end(4,i,j,k,n-1); |
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| 324 | Array<Float> subArr(arr(start,end)); |
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| 325 | Array<Bool> subMask(barr(start,end)); |
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| 326 | ArrayAccessor<Float, Axis<0> > aa0(tarr); |
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| 327 | ArrayAccessor<Bool, Axis<0> > ba0(tbarr); |
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| 328 | ArrayAccessor<Bool, Axis<3> > ba(subMask); |
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| 329 | for (ArrayAccessor<Float, Axis<3> > aa(subArr); aa != aa.end();++aa) { |
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| 330 | (*aa) = (*aa0); |
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| 331 | (*ba) = (*ba0); |
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| 332 | aa0++; |
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| 333 | ba0++; |
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| 334 | ba++; |
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| 335 | } |
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| 336 | } |
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| 337 | } |
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| 338 | } |
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| 339 | Array<uChar> outflags(barr.shape()); |
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| 340 | convertArray(outflags,!barr); |
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| 341 | SDContainer sc = in[0]->getSDContainer(); |
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| 342 | sc.putSpectrum(arr); |
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| 343 | sc.putFlags(outflags); |
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| 344 | sc.interval = inttime; |
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| 345 | SDMemTable* sdmt = new SDMemTable(*in[0],True); |
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| 346 | sdmt->putSDContainer(sc); |
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| 347 | return CountedPtr<SDMemTable>(sdmt); |
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[15] | 348 | } |
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[48] | 349 | |
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| 350 | static CountedPtr<SDMemTable> |
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| 351 | SDMath::averagePol(const CountedPtr<SDMemTable>& in, |
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| 352 | const Vector<Bool>& mask) { |
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| 353 | MaskedArray<Float> marr(in->rowAsMaskedArray(0)); |
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| 354 | uInt n = in->nChan(); |
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| 355 | IPosition ip = marr.shape(); |
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| 356 | Array<Float> arr = marr.getArray(); |
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| 357 | Array<Bool> barr = marr.getMask(); |
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| 358 | for (uInt i=0; i<in->nBeam();++i) { |
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| 359 | for (uInt j=0; j<in->nIF();++j) { |
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| 360 | Float stdevsqsum = 0.0; |
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| 361 | Vector<Float> initvec(n);initvec = 0.0; |
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| 362 | Vector<Bool> initmask(n);initmask = True; |
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| 363 | MaskedArray<Float> outmarr(initvec,initmask); |
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| 364 | for (uInt k=0; k<in->nPol();++k) { |
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| 365 | IPosition start(4,i,j,k,0); |
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| 366 | IPosition end(4,i,j,k,in->nChan()-1); |
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| 367 | Array<Float> subArr(arr(start,end)); |
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| 368 | Array<Bool> subMask(barr(start,end)); |
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| 369 | Vector<Float> outv; |
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| 370 | Vector<Bool> outm; |
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| 371 | Vector<Float> v(subArr.nonDegenerate()); |
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| 372 | Vector<Bool> m(subMask.nonDegenerate()); |
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| 373 | MaskedArray<Float> tmparr(v,m); |
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| 374 | MaskedArray<Float> tmparr2(tmparr(mask)); |
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| 375 | Float stdvsq = pow(stddev(tmparr2),2); |
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| 376 | stdevsqsum+=1.0/stdvsq; |
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| 377 | tmparr /= stdvsq; |
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| 378 | outmarr += tmparr; |
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| 379 | } |
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| 380 | outmarr /= stdevsqsum; |
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| 381 | Array<Float> tarr(outmarr.getArray()); |
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| 382 | Array<Bool> tbarr(outmarr.getMask()); |
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| 383 | // write averaged pol into all pols - fix up to refrom array |
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| 384 | for (uInt k=0; k<in->nPol();++k) { |
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| 385 | IPosition start(4,i,j,k,0); |
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| 386 | IPosition end(4,i,j,k,n-1); |
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| 387 | Array<Float> subArr(arr(start,end)); |
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| 388 | Array<Bool> subMask(barr(start,end)); |
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| 389 | ArrayAccessor<Float, Axis<0> > aa0(tarr); |
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| 390 | ArrayAccessor<Bool, Axis<0> > ba0(tbarr); |
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| 391 | ArrayAccessor<Bool, Axis<3> > ba(subMask); |
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| 392 | for (ArrayAccessor<Float, Axis<3> > aa(subArr); aa != aa.end();++aa) { |
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| 393 | (*aa) = (*aa0); |
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| 394 | (*ba) = (*ba0); |
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| 395 | aa0++; |
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| 396 | ba0++; |
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| 397 | ba++; |
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| 398 | } |
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| 399 | } |
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| 400 | } |
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| 401 | } |
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| 402 | |
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| 403 | Array<uChar> outflags(barr.shape()); |
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| 404 | convertArray(outflags,!barr); |
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| 405 | SDContainer sc = in->getSDContainer(); |
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| 406 | sc.putSpectrum(arr); |
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| 407 | sc.putFlags(outflags); |
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| 408 | SDMemTable* sdmt = new SDMemTable(*in,True); |
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| 409 | sdmt->putSDContainer(sc); |
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| 410 | return CountedPtr<SDMemTable>(sdmt); |
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| 411 | } |
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| 412 | |
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| 413 | |
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| 414 | static Float SDMath::rms(const CountedPtr<SDMemTable>& in, |
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| 415 | const std::vector<bool>& mask) { |
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| 416 | Float rmsval; |
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| 417 | Vector<Bool> msk(mask); |
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| 418 | IPosition ip = in->rowAsMaskedArray(0).shape(); |
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| 419 | MaskedArray<Float> marr(in->rowAsMaskedArray(0)); |
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| 420 | |
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| 421 | Array<Float> arr = marr.getArray(); |
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| 422 | Array<Bool> barr = marr.getMask(); |
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| 423 | uInt i,j,k; |
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| 424 | i = in->getBeam(); |
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| 425 | j = in->getIF(); |
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| 426 | k = in->getPol(); |
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| 427 | IPosition start(4,i,j,k,0); |
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| 428 | IPosition end(4,i,j,k,in->nChan()-1); |
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| 429 | Array<Float> subArr(arr(start,end)); |
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| 430 | Array<Bool> subMask(barr(start,end)); |
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| 431 | Array<Float> v(subArr.nonDegenerate()); |
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| 432 | Array<Bool> m(subMask.nonDegenerate()); |
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| 433 | MaskedArray<Float> tmp; |
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| 434 | if (msk.nelements() == m.nelements() ) { |
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| 435 | tmp.setData(v,m&&msk); |
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| 436 | } else { |
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| 437 | tmp.setData(v,m); |
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| 438 | } |
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| 439 | rmsval = stddev(tmp); |
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| 440 | return rmsval; |
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| 441 | } |
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| 442 | |
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| 443 | static CountedPtr<SDMemTable> SDMath::bin(const CountedPtr<SDMemTable>& in, |
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| 444 | Int width) { |
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| 445 | |
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| 446 | MaskedArray<Float> marr(in->rowAsMaskedArray(0)); |
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| 447 | SpectralCoordinate coord(in->getCoordinate(0)); |
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| 448 | SDContainer sc = in->getSDContainer(); |
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| 449 | Array<Float> arr = marr.getArray(); |
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| 450 | Array<Bool> barr = marr.getMask(); |
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| 451 | SpectralCoordinate outcoord,outcoord2; |
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| 452 | MaskedArray<Float> marrout; |
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| 453 | ImageUtilities::bin(marrout, outcoord, marr, coord, 3, width); |
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| 454 | IPosition ip = marrout.shape(); |
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| 455 | sc.resize(ip); |
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| 456 | sc.putSpectrum(marrout.getArray()); |
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| 457 | Array<uChar> outflags(ip); |
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| 458 | convertArray(outflags,!(marrout.getMask())); |
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| 459 | sc.putFlags(outflags); |
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| 460 | MaskedArray<Float> tsys,tsysout; |
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| 461 | Array<Bool> dummy(ip);dummy = True; |
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| 462 | tsys.setData(sc.getTsys(),dummy); |
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| 463 | ImageUtilities::bin(tsysout, outcoord2, marr, outcoord, 3, width); |
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| 464 | sc.putTsys(tsysout.getArray()); |
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| 465 | SDHeader sh = in->getSDHeader(); |
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| 466 | sh.nchan = ip(3); |
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| 467 | SDMemTable* sdmt = new SDMemTable(*in,True); |
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| 468 | sdmt->setCoordinate(outcoord,0); |
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| 469 | sdmt->putSDContainer(sc); |
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| 470 | sdmt->putSDHeader(sh); |
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| 471 | return CountedPtr<SDMemTable>(sdmt); |
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| 472 | } |
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