| 1 | //#--------------------------------------------------------------------------- |
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| 2 | //# PKSFITSreader.cc: Class to read Parkes multibeam data from a FITS file. |
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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 |
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| 13 | //# WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY |
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| 14 | //# or 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 | #include <atnf/PKSIO/MBFITSreader.h> |
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| 34 | #include <atnf/PKSIO/SDFITSreader.h> |
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| 35 | #include <atnf/PKSIO/PKSFITSreader.h> |
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| 36 | #include <atnf/PKSIO/PKSMBrecord.h> |
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| 37 | |
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| 38 | #include <casa/Arrays/Array.h> |
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| 39 | #include <casa/BasicMath/Math.h> |
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| 40 | #include <casa/Quanta/MVTime.h> |
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| 41 | |
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| 42 | #include <casa/stdio.h> |
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| 43 | |
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| 44 | //----------------------------------------------- PKSFITSreader::PKSFITSreader |
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| 45 | |
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| 46 | // Constructor sets the method of position interpolation. |
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| 47 | |
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| 48 | PKSFITSreader::PKSFITSreader( |
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| 49 | const String fitsType, |
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| 50 | const Int retry, |
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| 51 | const Bool interpolate) |
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| 52 | { |
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| 53 | cMBrec.setNIFs(1); |
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| 54 | |
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| 55 | if (fitsType == "SDFITS") { |
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| 56 | cReader = new SDFITSreader(); |
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| 57 | } else { |
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| 58 | cReader = new MBFITSreader(retry, interpolate ? 1 : 0); |
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| 59 | } |
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| 60 | } |
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| 61 | |
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| 62 | //---------------------------------------------- PKSFITSreader::~PKSFITSreader |
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| 63 | |
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| 64 | // Destructor. |
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| 65 | |
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| 66 | PKSFITSreader::~PKSFITSreader() |
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| 67 | { |
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| 68 | close(); |
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| 69 | delete cReader; |
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| 70 | } |
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| 71 | |
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| 72 | //-------------------------------------------------------- PKSFITSreader::open |
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| 73 | |
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| 74 | // Open the FITS file for reading. |
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| 75 | |
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| 76 | Int PKSFITSreader::open( |
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| 77 | const String fitsName, |
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| 78 | Vector<Bool> &beams, |
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| 79 | Vector<Bool> &IFs, |
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| 80 | Vector<uInt> &nChan, |
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| 81 | Vector<uInt> &nPol, |
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| 82 | Vector<Bool> &haveXPol, |
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| 83 | Bool &haveBase, |
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| 84 | Bool &haveSpectra) |
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| 85 | { |
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| 86 | int extraSysCal, haveBase_, *haveXPol_, haveSpectra_, nBeam, *nChan_, |
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| 87 | nIF, *nPol_, status; |
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| 88 | if ((status = cReader->open((char *)fitsName.chars(), nBeam, cBeams, nIF, |
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| 89 | cIFs, nChan_, nPol_, haveXPol_, haveBase_, |
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| 90 | haveSpectra_, extraSysCal))) { |
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| 91 | return status; |
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| 92 | } |
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| 93 | |
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| 94 | // Beams present in data. |
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| 95 | beams.resize(nBeam); |
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| 96 | for (Int ibeam = 0; ibeam < nBeam; ibeam++) { |
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| 97 | beams(ibeam) = cBeams[ibeam]; |
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| 98 | } |
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| 99 | |
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| 100 | // IFs, channels, and polarizations present in data. |
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| 101 | IFs.resize(nIF); |
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| 102 | nChan.resize(nIF); |
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| 103 | nPol.resize(nIF); |
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| 104 | haveXPol.resize(nIF); |
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| 105 | |
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| 106 | for (Int iIF = 0; iIF < nIF; iIF++) { |
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| 107 | IFs(iIF) = cIFs[iIF]; |
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| 108 | nChan(iIF) = nChan_[iIF]; |
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| 109 | nPol(iIF) = nPol_[iIF]; |
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| 110 | |
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| 111 | // Cross-polarization data present? |
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| 112 | haveXPol(iIF) = haveXPol_[iIF]; |
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| 113 | } |
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| 114 | |
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| 115 | cNBeam = nBeam; |
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| 116 | cNIF = nIF; |
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| 117 | cNChan.assign(nChan); |
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| 118 | cNPol.assign(nPol); |
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| 119 | cHaveXPol.assign(haveXPol); |
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| 120 | |
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| 121 | // Baseline parameters present? |
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| 122 | haveBase = haveBase_; |
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| 123 | |
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| 124 | // Spectral data present? |
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| 125 | haveSpectra = haveSpectra_; |
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| 126 | |
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| 127 | return 0; |
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| 128 | } |
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| 129 | |
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| 130 | //--------------------------------------------------- PKSFITSreader::getHeader |
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| 131 | |
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| 132 | // Get parameters describing the data. |
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| 133 | |
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| 134 | Int PKSFITSreader::getHeader( |
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| 135 | String &observer, |
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| 136 | String &project, |
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| 137 | String &antName, |
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| 138 | Vector<Double> &antPosition, |
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| 139 | String &obsType, |
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| 140 | Float &equinox, |
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| 141 | String &dopplerFrame, |
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| 142 | Double &mjd, |
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| 143 | Double &refFreq, |
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| 144 | Double &bandwidth, |
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| 145 | String &fluxunit) |
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| 146 | { |
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| 147 | char datobs[32], dopplerFrame_[32], observer_[32], obsType_[32], |
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| 148 | project_[32], radecsys[32], telescope[32]; |
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| 149 | float equinox_; |
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| 150 | double antPos[3], utc; |
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| 151 | |
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| 152 | if (cReader->getHeader(observer_, project_, telescope, antPos, obsType_, |
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| 153 | equinox_, radecsys, dopplerFrame_, datobs, utc, |
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| 154 | refFreq, bandwidth)) { |
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| 155 | return 1; |
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| 156 | } |
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| 157 | |
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| 158 | fluxunit = ""; |
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| 159 | observer = trim(observer_); |
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| 160 | project = trim(project_); |
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| 161 | antName = trim(telescope); |
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| 162 | antPosition.resize(3); |
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| 163 | antPosition(0) = antPos[0]; |
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| 164 | antPosition(1) = antPos[1]; |
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| 165 | antPosition(2) = antPos[2]; |
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| 166 | obsType = trim(obsType_); |
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| 167 | equinox = equinox_; |
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| 168 | dopplerFrame = trim(dopplerFrame_); |
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| 169 | |
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| 170 | // Get UTC in MJD form. |
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| 171 | Int day, month, year; |
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| 172 | sscanf(datobs, "%4d-%2d-%2d", &year, &month, &day); |
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| 173 | MVTime date(year, month, Double(day)); |
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| 174 | mjd = date.day() + utc/86400.0; |
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| 175 | |
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| 176 | return 0; |
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| 177 | } |
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| 178 | |
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| 179 | //------------------------------------------------- PKSFITSreader::getFreqInfo |
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| 180 | |
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| 181 | // Get frequency parameters for each IF. |
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| 182 | |
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| 183 | Int PKSFITSreader::getFreqInfo( |
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| 184 | Vector<Double> &startFreq, |
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| 185 | Vector<Double> &endFreq) |
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| 186 | { |
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| 187 | int nIF; |
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| 188 | double *startfreq, *endfreq; |
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| 189 | |
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| 190 | Int status; |
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| 191 | if (!(status = cReader->getFreqInfo(nIF, startfreq, endfreq))) { |
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| 192 | startFreq.takeStorage(IPosition(1,nIF), startfreq, TAKE_OVER); |
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| 193 | endFreq.takeStorage(IPosition(1,nIF), endfreq, TAKE_OVER); |
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| 194 | } |
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| 195 | |
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| 196 | return status; |
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| 197 | } |
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| 198 | |
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| 199 | //------------------------------------------------------ PKSFITSreader::select |
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| 200 | |
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| 201 | // Set data selection by beam number and channel. |
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| 202 | |
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| 203 | uInt PKSFITSreader::select( |
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| 204 | const Vector<Bool> beamSel, |
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| 205 | const Vector<Bool> IFsel, |
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| 206 | const Vector<Int> startChan, |
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| 207 | const Vector<Int> endChan, |
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| 208 | const Vector<Int> refChan, |
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| 209 | const Bool getSpectra, |
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| 210 | const Bool getXPol, |
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| 211 | const Bool getFeedPos) |
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| 212 | { |
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| 213 | // Apply beam selection. |
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| 214 | uInt nBeamSel = beamSel.nelements(); |
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| 215 | for (uInt ibeam = 0; ibeam < cNBeam; ibeam++) { |
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| 216 | // This modifies FITSreader::cBeams[]. |
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| 217 | if (ibeam < nBeamSel) { |
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| 218 | cBeams[ibeam] = cBeams[ibeam] && beamSel(ibeam); |
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| 219 | } else { |
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| 220 | cBeams[ibeam] = 0; |
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| 221 | } |
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| 222 | } |
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| 223 | |
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| 224 | // Apply IF selection. |
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| 225 | int *end = new int[cNIF]; |
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| 226 | int *ref = new int[cNIF]; |
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| 227 | int *start = new int[cNIF]; |
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| 228 | |
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| 229 | for (uInt iIF = 0; iIF < cNIF; iIF++) { |
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| 230 | // This modifies FITSreader::cIFs[]. |
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| 231 | if (iIF < IFsel.nelements()) { |
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| 232 | cIFs[iIF] = cIFs[iIF] && IFsel(iIF); |
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| 233 | } else { |
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| 234 | cIFs[iIF] = 0; |
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| 235 | } |
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| 236 | |
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| 237 | if (cIFs[iIF]) { |
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| 238 | if (iIF < startChan.nelements()) { |
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| 239 | start[iIF] = startChan(iIF); |
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| 240 | |
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| 241 | if (start[iIF] <= 0) { |
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| 242 | start[iIF] += cNChan(iIF); |
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| 243 | } else if (start[iIF] > Int(cNChan(iIF))) { |
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| 244 | start[iIF] = cNChan(iIF); |
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| 245 | } |
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| 246 | |
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| 247 | } else { |
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| 248 | start[iIF] = 1; |
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| 249 | } |
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| 250 | |
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| 251 | if (iIF < endChan.nelements()) { |
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| 252 | end[iIF] = endChan(iIF); |
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| 253 | |
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| 254 | if (end[iIF] <= 0) { |
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| 255 | end[iIF] += cNChan(iIF); |
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| 256 | } else if (end[iIF] > Int(cNChan(iIF))) { |
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| 257 | end[iIF] = cNChan(iIF); |
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| 258 | } |
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| 259 | |
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| 260 | } else { |
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| 261 | end[iIF] = cNChan(iIF); |
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| 262 | } |
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| 263 | |
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| 264 | if (iIF < refChan.nelements()) { |
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| 265 | ref[iIF] = refChan(iIF); |
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| 266 | } else { |
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| 267 | if (start[iIF] <= end[iIF]) { |
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| 268 | ref[iIF] = start[iIF] + (end[iIF] - start[iIF] + 1)/2; |
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| 269 | } else { |
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| 270 | ref[iIF] = start[iIF] - (start[iIF] - end[iIF] + 1)/2; |
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| 271 | } |
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| 272 | } |
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| 273 | } |
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| 274 | } |
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| 275 | |
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| 276 | cGetSpectra = getSpectra; |
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| 277 | cGetXPol = getXPol; |
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| 278 | cGetFeedPos = getFeedPos; |
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| 279 | |
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| 280 | uInt maxNChan = cReader->select(start, end, ref, cGetSpectra, cGetXPol, |
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| 281 | cGetFeedPos); |
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| 282 | |
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| 283 | delete [] end; |
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| 284 | delete [] ref; |
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| 285 | delete [] start; |
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| 286 | |
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| 287 | return maxNChan; |
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| 288 | } |
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| 289 | |
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| 290 | //--------------------------------------------------- PKSFITSreader::findRange |
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| 291 | |
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| 292 | // Read the TIME column. |
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| 293 | |
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| 294 | Int PKSFITSreader::findRange( |
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| 295 | Int &nRow, |
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| 296 | Int &nSel, |
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| 297 | Vector<Double> &timeSpan, |
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| 298 | Matrix<Double> &positions) |
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| 299 | { |
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| 300 | char dateSpan[2][32]; |
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| 301 | double utcSpan[2]; |
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| 302 | double* posns; |
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| 303 | |
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| 304 | Int status; |
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| 305 | if (!(status = cReader->findRange(nRow, nSel, dateSpan, utcSpan, posns))) { |
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| 306 | timeSpan.resize(2); |
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| 307 | |
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| 308 | Int day, month, year; |
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| 309 | sscanf(dateSpan[0], "%4d-%2d-%2d", &year, &month, &day); |
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| 310 | timeSpan(0) = MVTime(year, month, Double(day)).second() + utcSpan[0]; |
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| 311 | sscanf(dateSpan[1], "%4d-%2d-%2d", &year, &month, &day); |
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| 312 | timeSpan(1) = MVTime(year, month, Double(day)).second() + utcSpan[1]; |
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| 313 | |
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| 314 | positions.takeStorage(IPosition(2,2,nSel), posns, TAKE_OVER); |
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| 315 | } |
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| 316 | |
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| 317 | return status; |
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| 318 | } |
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| 319 | |
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| 320 | //-------------------------------------------------------- PKSFITSreader::read |
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| 321 | |
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| 322 | // Read the next data record. |
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| 323 | |
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| 324 | Int PKSFITSreader::read( |
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| 325 | Int &scanNo, |
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| 326 | Int &cycleNo, |
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| 327 | Double &mjd, |
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| 328 | Double &interval, |
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| 329 | String &fieldName, |
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| 330 | String &srcName, |
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| 331 | Vector<Double> &srcDir, |
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| 332 | Vector<Double> &srcPM, |
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| 333 | Double &srcVel, |
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| 334 | String &obsType, |
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| 335 | Int &IFno, |
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| 336 | Double &refFreq, |
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| 337 | Double &bandwidth, |
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| 338 | Double &freqInc, |
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| 339 | Vector<Double> &restFreq, |
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| 340 | Vector<Float> &tcal, |
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| 341 | String &tcalTime, |
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| 342 | Float &azimuth, |
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| 343 | Float &elevation, |
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| 344 | Float &parAngle, |
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| 345 | Float &focusAxi, |
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| 346 | Float &focusTan, |
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| 347 | Float &focusRot, |
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| 348 | Float &temperature, |
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| 349 | Float &pressure, |
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| 350 | Float &humidity, |
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| 351 | Float &windSpeed, |
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| 352 | Float &windAz, |
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| 353 | Int &refBeam, |
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| 354 | Int &beamNo, |
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| 355 | Vector<Double> &direction, |
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| 356 | Vector<Double> &scanRate, |
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| 357 | Vector<Float> &tsys, |
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| 358 | Vector<Float> &sigma, |
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| 359 | Vector<Float> &calFctr, |
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| 360 | Matrix<Float> &baseLin, |
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| 361 | Matrix<Float> &baseSub, |
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| 362 | Matrix<Float> &spectra, |
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| 363 | Matrix<uChar> &flagged, |
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| 364 | Complex &xCalFctr, |
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| 365 | Vector<Complex> &xPol) |
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| 366 | { |
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| 367 | Int status; |
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| 368 | |
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| 369 | if ((status = cReader->read(cMBrec))) { |
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| 370 | if (status != -1) { |
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| 371 | status = 1; |
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| 372 | } |
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| 373 | |
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| 374 | return status; |
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| 375 | } |
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| 376 | |
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| 377 | |
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| 378 | uInt nChan = cMBrec.nChan[0]; |
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| 379 | uInt nPol = cMBrec.nPol[0]; |
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| 380 | |
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| 381 | scanNo = cMBrec.scanNo; |
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| 382 | cycleNo = cMBrec.cycleNo; |
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| 383 | |
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| 384 | // Extract MJD. |
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| 385 | Int day, month, year; |
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| 386 | sscanf(cMBrec.datobs, "%4d-%2d-%2d", &year, &month, &day); |
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| 387 | mjd = MVTime(year, month, Double(day)).day() + cMBrec.utc/86400.0; |
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| 388 | |
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| 389 | interval = cMBrec.exposure; |
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| 390 | |
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| 391 | fieldName = trim(cMBrec.srcName); |
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| 392 | srcName = fieldName; |
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| 393 | srcDir(0) = cMBrec.srcRA; |
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| 394 | srcDir(1) = cMBrec.srcDec; |
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| 395 | srcPM(0) = 0.0; |
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| 396 | srcPM(1) = 0.0; |
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| 397 | srcVel = 0.0; |
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| 398 | obsType = trim(cMBrec.obsType); |
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| 399 | |
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| 400 | IFno = cMBrec.IFno[0]; |
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| 401 | Double chanWidth = fabs(cMBrec.fqDelt[0]); |
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| 402 | refFreq = cMBrec.fqRefVal[0]; |
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| 403 | bandwidth = chanWidth * nChan; |
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| 404 | freqInc = cMBrec.fqDelt[0]; |
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| 405 | //restFreq = cMBrec.restFreq; |
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| 406 | restFreq.resize(1); |
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| 407 | restFreq(0) = cMBrec.restFreq; |
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| 408 | |
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| 409 | tcal.resize(nPol); |
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| 410 | for (uInt ipol = 0; ipol < nPol; ipol++) { |
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| 411 | tcal(ipol) = cMBrec.tcal[0][ipol]; |
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| 412 | } |
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| 413 | tcalTime = trim(cMBrec.tcalTime); |
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| 414 | azimuth = cMBrec.azimuth; |
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| 415 | elevation = cMBrec.elevation; |
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| 416 | parAngle = cMBrec.parAngle; |
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| 417 | focusAxi = cMBrec.focusAxi; |
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| 418 | focusTan = cMBrec.focusTan; |
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| 419 | focusRot = cMBrec.focusRot; |
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| 420 | |
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| 421 | temperature = cMBrec.temp; |
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| 422 | pressure = cMBrec.pressure; |
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| 423 | humidity = cMBrec.humidity; |
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| 424 | windSpeed = cMBrec.windSpeed; |
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| 425 | windAz = cMBrec.windAz; |
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| 426 | |
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| 427 | refBeam = cMBrec.refBeam; |
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| 428 | beamNo = cMBrec.beamNo; |
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| 429 | |
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| 430 | direction(0) = cMBrec.ra; |
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| 431 | direction(1) = cMBrec.dec; |
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| 432 | scanRate(0) = cMBrec.raRate; |
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| 433 | scanRate(1) = cMBrec.decRate; |
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| 434 | |
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| 435 | tsys.resize(nPol); |
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| 436 | sigma.resize(nPol); |
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| 437 | calFctr.resize(nPol); |
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| 438 | for (uInt ipol = 0; ipol < nPol; ipol++) { |
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| 439 | tsys(ipol) = cMBrec.tsys[0][ipol]; |
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| 440 | sigma(ipol) = tsys(ipol) / 0.81 / sqrt(interval * chanWidth); |
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| 441 | calFctr(ipol) = cMBrec.calfctr[0][ipol]; |
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| 442 | } |
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| 443 | |
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| 444 | if (cMBrec.haveBase) { |
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| 445 | baseLin.resize(2,nPol); |
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| 446 | baseSub.resize(9,nPol); |
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| 447 | |
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| 448 | for (uInt ipol = 0; ipol < nPol; ipol++) { |
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| 449 | baseLin(0,ipol) = cMBrec.baseLin[0][ipol][0]; |
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| 450 | baseLin(1,ipol) = cMBrec.baseLin[0][ipol][1]; |
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| 451 | |
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| 452 | for (uInt j = 0; j < 9; j++) { |
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| 453 | baseSub(j,ipol) = cMBrec.baseSub[0][ipol][j]; |
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| 454 | } |
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| 455 | } |
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| 456 | |
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| 457 | } else { |
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| 458 | baseLin.resize(0,0); |
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| 459 | baseSub.resize(0,0); |
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| 460 | } |
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| 461 | |
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| 462 | if (cGetSpectra && cMBrec.haveSpectra) { |
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| 463 | spectra.resize(nChan,nPol); |
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| 464 | spectra.takeStorage(IPosition(2,nChan,nPol), cMBrec.spectra[0], SHARE); |
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| 465 | |
|---|
| 466 | flagged.resize(nChan,nPol); |
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| 467 | flagged.takeStorage(IPosition(2,nChan,nPol), cMBrec.flagged[0], SHARE); |
|---|
| 468 | |
|---|
| 469 | } else { |
|---|
| 470 | spectra.resize(0,0); |
|---|
| 471 | flagged.resize(0,0); |
|---|
| 472 | } |
|---|
| 473 | |
|---|
| 474 | if (cGetXPol) { |
|---|
| 475 | xCalFctr = Complex(cMBrec.xcalfctr[0][0], cMBrec.xcalfctr[0][1]); |
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| 476 | xPol.resize(nChan); |
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| 477 | xPol.takeStorage(IPosition(1,nChan), (Complex *)cMBrec.xpol[0], SHARE); |
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| 478 | } |
|---|
| 479 | |
|---|
| 480 | return 0; |
|---|
| 481 | } |
|---|
| 482 | |
|---|
| 483 | //-------------------------------------------------------- PKSFITSreader::read |
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| 484 | |
|---|
| 485 | // Read the next data record, just the basics. |
|---|
| 486 | |
|---|
| 487 | Int PKSFITSreader::read( |
|---|
| 488 | Int &IFno, |
|---|
| 489 | Vector<Float> &tsys, |
|---|
| 490 | Vector<Float> &calFctr, |
|---|
| 491 | Matrix<Float> &baseLin, |
|---|
| 492 | Matrix<Float> &baseSub, |
|---|
| 493 | Matrix<Float> &spectra, |
|---|
| 494 | Matrix<uChar> &flagged) |
|---|
| 495 | { |
|---|
| 496 | Int status; |
|---|
| 497 | |
|---|
| 498 | if ((status = cReader->read(cMBrec))) { |
|---|
| 499 | if (status != -1) { |
|---|
| 500 | status = 1; |
|---|
| 501 | } |
|---|
| 502 | |
|---|
| 503 | return status; |
|---|
| 504 | } |
|---|
| 505 | |
|---|
| 506 | IFno = cMBrec.IFno[0]; |
|---|
| 507 | |
|---|
| 508 | uInt nChan = cMBrec.nChan[0]; |
|---|
| 509 | uInt nPol = cMBrec.nPol[0]; |
|---|
| 510 | |
|---|
| 511 | tsys.resize(nPol); |
|---|
| 512 | calFctr.resize(nPol); |
|---|
| 513 | for (uInt ipol = 0; ipol < nPol; ipol++) { |
|---|
| 514 | tsys(ipol) = cMBrec.tsys[0][ipol]; |
|---|
| 515 | calFctr(ipol) = cMBrec.calfctr[0][ipol]; |
|---|
| 516 | } |
|---|
| 517 | |
|---|
| 518 | if (cMBrec.haveBase) { |
|---|
| 519 | baseLin.resize(2,nPol); |
|---|
| 520 | baseSub.resize(9,nPol); |
|---|
| 521 | |
|---|
| 522 | for (uInt ipol = 0; ipol < nPol; ipol++) { |
|---|
| 523 | baseLin(0,ipol) = cMBrec.baseLin[0][ipol][0]; |
|---|
| 524 | baseLin(1,ipol) = cMBrec.baseLin[0][ipol][1]; |
|---|
| 525 | |
|---|
| 526 | for (uInt j = 0; j < 9; j++) { |
|---|
| 527 | baseSub(j,ipol) = cMBrec.baseSub[0][ipol][j]; |
|---|
| 528 | } |
|---|
| 529 | } |
|---|
| 530 | |
|---|
| 531 | } else { |
|---|
| 532 | baseLin.resize(0,0); |
|---|
| 533 | baseSub.resize(0,0); |
|---|
| 534 | } |
|---|
| 535 | |
|---|
| 536 | if (cGetSpectra && cMBrec.haveSpectra) { |
|---|
| 537 | spectra.resize(nChan,nPol); |
|---|
| 538 | spectra.takeStorage(IPosition(2,nChan,nPol), cMBrec.spectra[0], SHARE); |
|---|
| 539 | |
|---|
| 540 | flagged.resize(nChan,nPol); |
|---|
| 541 | flagged.takeStorage(IPosition(2,nChan,nPol), cMBrec.flagged[0], SHARE); |
|---|
| 542 | |
|---|
| 543 | } else { |
|---|
| 544 | spectra.resize(0,0); |
|---|
| 545 | flagged.resize(0,0); |
|---|
| 546 | } |
|---|
| 547 | |
|---|
| 548 | return 0; |
|---|
| 549 | } |
|---|
| 550 | |
|---|
| 551 | //------------------------------------------------------- PKSFITSreader::close |
|---|
| 552 | |
|---|
| 553 | // Close the FITS file. |
|---|
| 554 | |
|---|
| 555 | void PKSFITSreader::close() |
|---|
| 556 | { |
|---|
| 557 | cReader->close(); |
|---|
| 558 | } |
|---|
| 559 | |
|---|
| 560 | //-------------------------------------------------------- PKSFITSreader::trim |
|---|
| 561 | |
|---|
| 562 | // Trim trailing blanks from a null-terminated character string. |
|---|
| 563 | |
|---|
| 564 | char* PKSFITSreader::trim(char *string) |
|---|
| 565 | { |
|---|
| 566 | int j = 0, k = 0; |
|---|
| 567 | while (string[j] != '\0') { |
|---|
| 568 | if (string[j++] != ' ') { |
|---|
| 569 | k = j; |
|---|
| 570 | } |
|---|
| 571 | } |
|---|
| 572 | |
|---|
| 573 | string[k] = '\0'; |
|---|
| 574 | |
|---|
| 575 | return string; |
|---|
| 576 | } |
|---|
