[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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[81] | 33 | #include <casa/aips.h> |
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| 34 | #include <casa/BasicSL/String.h> |
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| 35 | #include <casa/Arrays/IPosition.h> |
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| 36 | #include <casa/Arrays/Array.h> |
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| 37 | #include <casa/Arrays/ArrayAccessor.h> |
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| 38 | #include <casa/Arrays/Slice.h> |
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| 39 | #include <casa/Arrays/ArrayMath.h> |
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| 40 | #include <casa/Arrays/ArrayLogical.h> |
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| 41 | #include <casa/Arrays/MaskedArray.h> |
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| 42 | #include <casa/Arrays/MaskArrMath.h> |
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| 43 | #include <casa/Arrays/MaskArrLogi.h> |
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[2] | 44 | |
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[81] | 45 | #include <tables/Tables/Table.h> |
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| 46 | #include <tables/Tables/ScalarColumn.h> |
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| 47 | #include <tables/Tables/ArrayColumn.h> |
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[2] | 48 | |
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[81] | 49 | #include <scimath/Fitting.h> |
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| 50 | #include <scimath/Fitting/LinearFit.h> |
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| 51 | #include <scimath/Functionals/CompiledFunction.h> |
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| 52 | #include <images/Images/ImageUtilities.h> |
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| 53 | #include <coordinates/Coordinates/SpectralCoordinate.h> |
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| 54 | #include <scimath/Mathematics/AutoDiff.h> |
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| 55 | #include <scimath/Mathematics/AutoDiffMath.h> |
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[38] | 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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[83] | 63 | using namespace asap; |
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| 64 | //using namespace asap::SDMath; |
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[2] | 65 | |
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[66] | 66 | CountedPtr<SDMemTable> SDMath::average(const CountedPtr<SDMemTable>& in) { |
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[2] | 67 | Table t = in->table(); |
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| 68 | ROArrayColumn<Float> tsys(t, "TSYS"); |
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| 69 | ROScalarColumn<Double> mjd(t, "TIME"); |
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| 70 | ROScalarColumn<String> srcn(t, "SRCNAME"); |
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[15] | 71 | ROScalarColumn<Double> integr(t, "INTERVAL"); |
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[38] | 72 | ROArrayColumn<uInt> freqidc(t, "FREQID"); |
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[2] | 73 | IPosition ip = in->rowAsMaskedArray(0).shape(); |
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| 74 | Array<Float> outarr(ip); outarr =0.0; |
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| 75 | Array<Float> narr(ip);narr = 0.0; |
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| 76 | Array<Float> narrinc(ip);narrinc = 1.0; |
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| 77 | |
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| 78 | Array<Float> tsarr(tsys.shape(0)); |
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| 79 | Array<Float> outtsarr(tsys.shape(0)); |
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[48] | 80 | outtsarr =0.0; |
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| 81 | tsys.get(0, tsarr);// this is probably unneccessary as tsys should |
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[2] | 82 | Double tme = 0.0; |
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[15] | 83 | Double inttime = 0.0; |
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[2] | 84 | |
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| 85 | for (uInt i=0; i < t.nrow(); i++) { |
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| 86 | // data stuff |
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| 87 | MaskedArray<Float> marr(in->rowAsMaskedArray(i)); |
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| 88 | outarr += marr; |
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| 89 | MaskedArray<Float> n(narrinc,marr.getMask()); |
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| 90 | narr += n; |
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| 91 | // get |
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| 92 | tsys.get(i, tsarr);// this is probably unneccessary as tsys should |
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| 93 | outtsarr += tsarr; // be constant |
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| 94 | Double tmp; |
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| 95 | mjd.get(i,tmp); |
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| 96 | tme += tmp;// average time |
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[15] | 97 | integr.get(i,tmp); |
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| 98 | inttime += tmp; |
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[2] | 99 | } |
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| 100 | // averaging using mask |
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[9] | 101 | MaskedArray<Float> nma(narr,(narr > Float(0))); |
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[2] | 102 | outarr /= nma; |
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[9] | 103 | Array<Bool> outflagsb = !(nma.getMask()); |
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| 104 | Array<uChar> outflags(outflagsb.shape()); |
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| 105 | convertArray(outflags,outflagsb); |
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[48] | 106 | SDContainer sc = in->getSDContainer(); |
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[2] | 107 | Int n = t.nrow(); |
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[48] | 108 | outtsarr /= Float(n); |
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| 109 | sc.timestamp = tme/Double(n); |
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| 110 | sc.interval = inttime; |
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[15] | 111 | String tstr; srcn.getScalar(0,tstr);// get sourcename of "mid" point |
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[2] | 112 | sc.sourcename = tstr; |
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[38] | 113 | Vector<uInt> tvec; |
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| 114 | freqidc.get(0,tvec); |
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| 115 | sc.putFreqMap(tvec); |
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[48] | 116 | sc.putTsys(outtsarr); |
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[38] | 117 | sc.scanid = 0; |
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[2] | 118 | sc.putSpectrum(outarr); |
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[9] | 119 | sc.putFlags(outflags); |
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[15] | 120 | SDMemTable* sdmt = new SDMemTable(*in,True); |
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[2] | 121 | sdmt->putSDContainer(sc); |
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| 122 | return CountedPtr<SDMemTable>(sdmt); |
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| 123 | } |
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[9] | 124 | |
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[66] | 125 | CountedPtr<SDMemTable> |
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[9] | 126 | SDMath::quotient(const CountedPtr<SDMemTable>& on, |
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| 127 | const CountedPtr<SDMemTable>& off) { |
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| 128 | |
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| 129 | Table ton = on->table(); |
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| 130 | Table toff = off->table(); |
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[15] | 131 | ROArrayColumn<Float> tsys(toff, "TSYS"); |
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[9] | 132 | ROScalarColumn<Double> mjd(ton, "TIME"); |
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[15] | 133 | ROScalarColumn<Double> integr(ton, "INTERVAL"); |
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[9] | 134 | ROScalarColumn<String> srcn(ton, "SRCNAME"); |
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[38] | 135 | ROArrayColumn<uInt> freqidc(ton, "FREQID"); |
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| 136 | |
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[9] | 137 | MaskedArray<Float> mon(on->rowAsMaskedArray(0)); |
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| 138 | MaskedArray<Float> moff(off->rowAsMaskedArray(0)); |
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| 139 | IPosition ipon = mon.shape(); |
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| 140 | IPosition ipoff = moff.shape(); |
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[48] | 141 | Array<Float> tsarr;//(tsys.shape(0)); |
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| 142 | tsys.get(0, tsarr); |
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[9] | 143 | if (ipon != ipoff && ipon != tsarr.shape()) |
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| 144 | cerr << "on/off not conformant" << endl; |
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| 145 | |
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| 146 | MaskedArray<Float> tmp = (mon-moff); |
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| 147 | Array<Float> out(tmp.getArray()); |
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| 148 | out /= moff; |
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| 149 | out *= tsarr; |
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| 150 | Array<Bool> outflagsb = !(mon.getMask() && moff.getMask()); |
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| 151 | Array<uChar> outflags(outflagsb.shape()); |
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| 152 | convertArray(outflags,outflagsb); |
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[48] | 153 | SDContainer sc = on->getSDContainer(); |
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| 154 | sc.putTsys(tsarr); |
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[38] | 155 | sc.scanid = 0; |
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[9] | 156 | sc.putSpectrum(out); |
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[48] | 157 | sc.putFlags(outflags); |
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[15] | 158 | SDMemTable* sdmt = new SDMemTable(*on, True); |
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[9] | 159 | sdmt->putSDContainer(sc); |
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| 160 | return CountedPtr<SDMemTable>(sdmt); |
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| 161 | } |
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[48] | 162 | |
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[66] | 163 | CountedPtr<SDMemTable> |
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[15] | 164 | SDMath::multiply(const CountedPtr<SDMemTable>& in, Float factor) { |
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| 165 | SDMemTable* sdmt = new SDMemTable(*in); |
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| 166 | Table t = sdmt->table(); |
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| 167 | ArrayColumn<Float> spec(t,"SPECTRA"); |
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[9] | 168 | |
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[15] | 169 | for (uInt i=0; i < t.nrow(); i++) { |
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| 170 | // data stuff |
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| 171 | MaskedArray<Float> marr(sdmt->rowAsMaskedArray(i)); |
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| 172 | marr *= factor; |
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| 173 | spec.put(i, marr.getArray()); |
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| 174 | } |
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| 175 | return CountedPtr<SDMemTable>(sdmt); |
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| 176 | } |
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[48] | 177 | |
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[66] | 178 | bool SDMath::fit(Vector<Float>& thefit, const Vector<Float>& data, |
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| 179 | const Vector<Bool>& mask, |
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| 180 | const std::string& fitexpr) { |
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[48] | 181 | |
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[38] | 182 | LinearFit<Float> fitter; |
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[48] | 183 | Vector<Float> x(data.nelements()); |
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[38] | 184 | indgen(x); |
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| 185 | CompiledFunction<AutoDiff<Float> > fn; |
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| 186 | fn.setFunction(String(fitexpr)); |
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| 187 | fitter.setFunction(fn); |
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| 188 | Vector<Float> out,out1; |
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[48] | 189 | out = fitter.fit(x,data,&mask); |
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| 190 | thefit = data; |
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| 191 | fitter.residual(thefit, x); |
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| 192 | cout << "Parameter solution = " << out << endl; |
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| 193 | return True; |
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[38] | 194 | } |
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| 195 | |
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[66] | 196 | CountedPtr<SDMemTable> |
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[48] | 197 | SDMath::baseline(const CountedPtr<SDMemTable>& in, |
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| 198 | const std::string& fitexpr, |
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| 199 | const std::vector<bool>& mask) { |
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| 200 | |
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| 201 | IPosition ip = in->rowAsMaskedArray(0).shape(); |
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| 202 | SDContainer sc = in->getSDContainer(); |
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| 203 | String sname(in->getSourceName()); |
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| 204 | String stim(in->getTime()); |
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| 205 | cout << "Fitting: " << String(fitexpr) << " to " |
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| 206 | << sname << " [" << stim << "]" << ":" <<endl; |
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| 207 | MaskedArray<Float> marr(in->rowAsMaskedArray(0)); |
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| 208 | Vector<Bool> inmask(mask); |
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| 209 | Array<Float> arr = marr.getArray(); |
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| 210 | Array<Bool> barr = marr.getMask(); |
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| 211 | for (uInt i=0; i<in->nBeam();++i) { |
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| 212 | for (uInt j=0; j<in->nIF();++j) { |
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| 213 | for (uInt k=0; k<in->nPol();++k) { |
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| 214 | IPosition start(4,i,j,k,0); |
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| 215 | IPosition end(4,i,j,k,in->nChan()-1); |
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| 216 | Array<Float> subArr(arr(start,end)); |
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| 217 | Array<Bool> subMask(barr(start,end)); |
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| 218 | Vector<Float> outv; |
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| 219 | Vector<Float> v(subArr.nonDegenerate()); |
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| 220 | Vector<Bool> m(subMask.nonDegenerate()); |
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| 221 | cout << "\t Polarisation " << k << "\t"; |
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| 222 | SDMath::fit(outv, v, m&&inmask, fitexpr); |
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| 223 | ArrayAccessor<Float, Axis<0> > aa0(outv); |
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| 224 | for (ArrayAccessor<Float, Axis<3> > aa(subArr); aa != aa.end();++aa) { |
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| 225 | (*aa) = (*aa0); |
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| 226 | aa0++; |
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| 227 | } |
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| 228 | } |
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| 229 | } |
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| 230 | } |
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| 231 | Array<uChar> outflags(barr.shape()); |
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| 232 | convertArray(outflags,!barr); |
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| 233 | sc.putSpectrum(arr); |
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| 234 | sc.putFlags(outflags); |
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| 235 | SDMemTable* sdmt = new SDMemTable(*in,True); |
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| 236 | sdmt->putSDContainer(sc); |
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| 237 | return CountedPtr<SDMemTable>(sdmt); |
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| 238 | } |
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[38] | 239 | |
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[48] | 240 | |
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[66] | 241 | CountedPtr<SDMemTable> |
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[38] | 242 | SDMath::hanning(const CountedPtr<SDMemTable>& in) { |
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[48] | 243 | |
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[38] | 244 | IPosition ip = in->rowAsMaskedArray(0).shape(); |
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| 245 | MaskedArray<Float> marr(in->rowAsMaskedArray(0)); |
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| 246 | |
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| 247 | Array<Float> arr = marr.getArray(); |
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| 248 | Array<Bool> barr = marr.getMask(); |
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| 249 | for (uInt i=0; i<in->nBeam();++i) { |
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| 250 | for (uInt j=0; j<in->nIF();++j) { |
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| 251 | for (uInt k=0; k<in->nPol();++k) { |
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| 252 | IPosition start(4,i,j,k,0); |
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| 253 | IPosition end(4,i,j,k,in->nChan()-1); |
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| 254 | Array<Float> subArr(arr(start,end)); |
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| 255 | Array<Bool> subMask(barr(start,end)); |
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| 256 | Vector<Float> outv; |
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| 257 | Vector<Bool> outm; |
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| 258 | Vector<Float> v(subArr.nonDegenerate()); |
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| 259 | Vector<Bool> m(subMask.nonDegenerate()); |
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| 260 | ::hanning(outv,outm,v,m); |
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| 261 | ArrayAccessor<Float, Axis<0> > aa0(outv); |
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| 262 | ArrayAccessor<Bool, Axis<0> > ba0(outm); |
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| 263 | ArrayAccessor<Bool, Axis<3> > ba(subMask); |
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| 264 | for (ArrayAccessor<Float, Axis<3> > aa(subArr); aa != aa.end();++aa) { |
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| 265 | (*aa) = (*aa0); |
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| 266 | (*ba) = (*ba0); |
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| 267 | aa0++; |
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| 268 | ba0++; |
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| 269 | ba++; |
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| 270 | } |
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| 271 | } |
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| 272 | } |
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| 273 | } |
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| 274 | Array<uChar> outflags(barr.shape()); |
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| 275 | convertArray(outflags,!barr); |
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| 276 | SDContainer sc = in->getSDContainer(); |
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| 277 | sc.putSpectrum(arr); |
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| 278 | sc.putFlags(outflags); |
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| 279 | SDMemTable* sdmt = new SDMemTable(*in,True); |
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| 280 | sdmt->putSDContainer(sc); |
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| 281 | return CountedPtr<SDMemTable>(sdmt); |
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| 282 | } |
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| 283 | |
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[66] | 284 | CountedPtr<SDMemTable> |
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[48] | 285 | SDMath::averages(const Block<CountedPtr<SDMemTable> >& in, |
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| 286 | const Vector<Bool>& mask) { |
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| 287 | IPosition ip = in[0]->rowAsMaskedArray(0).shape(); |
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| 288 | Array<Float> arr(ip); |
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| 289 | Array<Bool> barr(ip); |
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| 290 | Double inttime = 0.0; |
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[15] | 291 | |
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[48] | 292 | uInt n = in[0]->nChan(); |
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| 293 | for (uInt i=0; i<in[0]->nBeam();++i) { |
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| 294 | for (uInt j=0; j<in[0]->nIF();++j) { |
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| 295 | for (uInt k=0; k<in[0]->nPol();++k) { |
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| 296 | Float stdevsqsum = 0.0; |
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| 297 | Vector<Float> initvec(n);initvec = 0.0; |
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| 298 | Vector<Bool> initmask(n);initmask = True; |
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| 299 | MaskedArray<Float> outmarr(initvec,initmask); |
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| 300 | for (uInt bi=0; bi< in.nelements(); ++bi) { |
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| 301 | MaskedArray<Float> marr(in[bi]->rowAsMaskedArray(0)); |
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| 302 | inttime += in[bi]->getInterval(); |
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| 303 | Array<Float> arr = marr.getArray(); |
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| 304 | Array<Bool> barr = marr.getMask(); |
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| 305 | IPosition start(4,i,j,k,0); |
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| 306 | IPosition end(4,i,j,k,n-1); |
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| 307 | Array<Float> subArr(arr(start,end)); |
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| 308 | Array<Bool> subMask(barr(start,end)); |
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| 309 | Vector<Float> outv; |
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| 310 | Vector<Bool> outm; |
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| 311 | Vector<Float> v(subArr.nonDegenerate()); |
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| 312 | Vector<Bool> m(subMask.nonDegenerate()); |
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| 313 | MaskedArray<Float> tmparr(v,m); |
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| 314 | MaskedArray<Float> tmparr2(tmparr(mask)); |
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| 315 | Float stdvsq = pow(stddev(tmparr2),2); |
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| 316 | stdevsqsum+=1.0/stdvsq; |
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| 317 | tmparr /= stdvsq; |
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| 318 | outmarr += tmparr; |
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| 319 | } |
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| 320 | outmarr /= stdevsqsum; |
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| 321 | Array<Float> tarr(outmarr.getArray()); |
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| 322 | Array<Bool> tbarr(outmarr.getMask()); |
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| 323 | IPosition start(4,i,j,k,0); |
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| 324 | IPosition end(4,i,j,k,n-1); |
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| 325 | Array<Float> subArr(arr(start,end)); |
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| 326 | Array<Bool> subMask(barr(start,end)); |
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| 327 | ArrayAccessor<Float, Axis<0> > aa0(tarr); |
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| 328 | ArrayAccessor<Bool, Axis<0> > ba0(tbarr); |
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| 329 | ArrayAccessor<Bool, Axis<3> > ba(subMask); |
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| 330 | for (ArrayAccessor<Float, Axis<3> > aa(subArr); aa != aa.end();++aa) { |
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| 331 | (*aa) = (*aa0); |
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| 332 | (*ba) = (*ba0); |
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| 333 | aa0++; |
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| 334 | ba0++; |
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| 335 | ba++; |
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| 336 | } |
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| 337 | } |
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| 338 | } |
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| 339 | } |
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| 340 | Array<uChar> outflags(barr.shape()); |
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| 341 | convertArray(outflags,!barr); |
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| 342 | SDContainer sc = in[0]->getSDContainer(); |
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| 343 | sc.putSpectrum(arr); |
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| 344 | sc.putFlags(outflags); |
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| 345 | sc.interval = inttime; |
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| 346 | SDMemTable* sdmt = new SDMemTable(*in[0],True); |
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| 347 | sdmt->putSDContainer(sc); |
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| 348 | return CountedPtr<SDMemTable>(sdmt); |
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[15] | 349 | } |
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[48] | 350 | |
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[66] | 351 | CountedPtr<SDMemTable> |
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[48] | 352 | SDMath::averagePol(const CountedPtr<SDMemTable>& in, |
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| 353 | const Vector<Bool>& mask) { |
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| 354 | MaskedArray<Float> marr(in->rowAsMaskedArray(0)); |
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| 355 | uInt n = in->nChan(); |
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| 356 | IPosition ip = marr.shape(); |
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| 357 | Array<Float> arr = marr.getArray(); |
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| 358 | Array<Bool> barr = marr.getMask(); |
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| 359 | for (uInt i=0; i<in->nBeam();++i) { |
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| 360 | for (uInt j=0; j<in->nIF();++j) { |
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| 361 | Float stdevsqsum = 0.0; |
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| 362 | Vector<Float> initvec(n);initvec = 0.0; |
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| 363 | Vector<Bool> initmask(n);initmask = True; |
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| 364 | MaskedArray<Float> outmarr(initvec,initmask); |
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| 365 | for (uInt k=0; k<in->nPol();++k) { |
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| 366 | IPosition start(4,i,j,k,0); |
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| 367 | IPosition end(4,i,j,k,in->nChan()-1); |
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| 368 | Array<Float> subArr(arr(start,end)); |
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| 369 | Array<Bool> subMask(barr(start,end)); |
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| 370 | Vector<Float> outv; |
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| 371 | Vector<Bool> outm; |
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| 372 | Vector<Float> v(subArr.nonDegenerate()); |
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| 373 | Vector<Bool> m(subMask.nonDegenerate()); |
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| 374 | MaskedArray<Float> tmparr(v,m); |
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| 375 | MaskedArray<Float> tmparr2(tmparr(mask)); |
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| 376 | Float stdvsq = pow(stddev(tmparr2),2); |
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| 377 | stdevsqsum+=1.0/stdvsq; |
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| 378 | tmparr /= stdvsq; |
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| 379 | outmarr += tmparr; |
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| 380 | } |
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| 381 | outmarr /= stdevsqsum; |
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| 382 | Array<Float> tarr(outmarr.getArray()); |
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| 383 | Array<Bool> tbarr(outmarr.getMask()); |
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| 384 | // write averaged pol into all pols - fix up to refrom array |
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| 385 | for (uInt k=0; k<in->nPol();++k) { |
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| 386 | IPosition start(4,i,j,k,0); |
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| 387 | IPosition end(4,i,j,k,n-1); |
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| 388 | Array<Float> subArr(arr(start,end)); |
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| 389 | Array<Bool> subMask(barr(start,end)); |
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| 390 | ArrayAccessor<Float, Axis<0> > aa0(tarr); |
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| 391 | ArrayAccessor<Bool, Axis<0> > ba0(tbarr); |
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| 392 | ArrayAccessor<Bool, Axis<3> > ba(subMask); |
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| 393 | for (ArrayAccessor<Float, Axis<3> > aa(subArr); aa != aa.end();++aa) { |
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| 394 | (*aa) = (*aa0); |
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| 395 | (*ba) = (*ba0); |
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| 396 | aa0++; |
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| 397 | ba0++; |
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| 398 | ba++; |
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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 | |
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| 404 | Array<uChar> outflags(barr.shape()); |
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| 405 | convertArray(outflags,!barr); |
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| 406 | SDContainer sc = in->getSDContainer(); |
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| 407 | sc.putSpectrum(arr); |
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| 408 | sc.putFlags(outflags); |
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| 409 | SDMemTable* sdmt = new SDMemTable(*in,True); |
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| 410 | sdmt->putSDContainer(sc); |
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| 411 | return CountedPtr<SDMemTable>(sdmt); |
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| 412 | } |
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| 413 | |
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| 414 | |
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[66] | 415 | Float SDMath::rms(const CountedPtr<SDMemTable>& in, |
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[48] | 416 | const std::vector<bool>& mask) { |
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| 417 | Float rmsval; |
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| 418 | Vector<Bool> msk(mask); |
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| 419 | IPosition ip = in->rowAsMaskedArray(0).shape(); |
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| 420 | MaskedArray<Float> marr(in->rowAsMaskedArray(0)); |
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| 421 | |
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| 422 | Array<Float> arr = marr.getArray(); |
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| 423 | Array<Bool> barr = marr.getMask(); |
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| 424 | uInt i,j,k; |
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| 425 | i = in->getBeam(); |
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| 426 | j = in->getIF(); |
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| 427 | k = in->getPol(); |
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| 428 | IPosition start(4,i,j,k,0); |
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| 429 | IPosition end(4,i,j,k,in->nChan()-1); |
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| 430 | Array<Float> subArr(arr(start,end)); |
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| 431 | Array<Bool> subMask(barr(start,end)); |
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| 432 | Array<Float> v(subArr.nonDegenerate()); |
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| 433 | Array<Bool> m(subMask.nonDegenerate()); |
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| 434 | MaskedArray<Float> tmp; |
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| 435 | if (msk.nelements() == m.nelements() ) { |
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| 436 | tmp.setData(v,m&&msk); |
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| 437 | } else { |
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| 438 | tmp.setData(v,m); |
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| 439 | } |
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| 440 | rmsval = stddev(tmp); |
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| 441 | return rmsval; |
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| 442 | } |
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| 443 | |
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[66] | 444 | CountedPtr<SDMemTable> SDMath::bin(const CountedPtr<SDMemTable>& in, |
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[48] | 445 | Int width) { |
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| 446 | |
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| 447 | MaskedArray<Float> marr(in->rowAsMaskedArray(0)); |
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| 448 | SpectralCoordinate coord(in->getCoordinate(0)); |
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| 449 | SDContainer sc = in->getSDContainer(); |
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| 450 | Array<Float> arr = marr.getArray(); |
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| 451 | Array<Bool> barr = marr.getMask(); |
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| 452 | SpectralCoordinate outcoord,outcoord2; |
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| 453 | MaskedArray<Float> marrout; |
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| 454 | ImageUtilities::bin(marrout, outcoord, marr, coord, 3, width); |
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| 455 | IPosition ip = marrout.shape(); |
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| 456 | sc.resize(ip); |
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| 457 | sc.putSpectrum(marrout.getArray()); |
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| 458 | Array<uChar> outflags(ip); |
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| 459 | convertArray(outflags,!(marrout.getMask())); |
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| 460 | sc.putFlags(outflags); |
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| 461 | MaskedArray<Float> tsys,tsysout; |
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| 462 | Array<Bool> dummy(ip);dummy = True; |
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| 463 | tsys.setData(sc.getTsys(),dummy); |
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| 464 | ImageUtilities::bin(tsysout, outcoord2, marr, outcoord, 3, width); |
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| 465 | sc.putTsys(tsysout.getArray()); |
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| 466 | SDHeader sh = in->getSDHeader(); |
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| 467 | sh.nchan = ip(3); |
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| 468 | SDMemTable* sdmt = new SDMemTable(*in,True); |
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| 469 | sdmt->setCoordinate(outcoord,0); |
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| 470 | sdmt->putSDContainer(sc); |
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| 471 | sdmt->putSDHeader(sh); |
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| 472 | return CountedPtr<SDMemTable>(sdmt); |
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| 473 | } |
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