| 1 | //#---------------------------------------------------------------------------
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| 2 | //# PKSFITSreader.h: Class to read Parkes Multibeam data from a FITS file.
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| 3 | //#---------------------------------------------------------------------------
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| 4 | //# livedata - processing pipeline for single-dish, multibeam spectral data.
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| 5 | //# Copyright (C) 2000-2009, Australia Telescope National Facility, CSIRO
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| 6 | //#
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| 7 | //# This file is part of livedata.
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| 8 | //#
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| 9 | //# livedata is free software: you can redistribute it and/or modify it under
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| 10 | //# the terms of the GNU General Public License as published by the Free
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| 11 | //# Software Foundation, either version 3 of the License, or (at your option)
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| 12 | //# any later version.
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| 13 | //#
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| 14 | //# livedata is distributed in the hope that it will be useful, but WITHOUT
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| 15 | //# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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| 16 | //# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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| 17 | //# more details.
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| 18 | //#
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| 19 | //# You should have received a copy of the GNU General Public License along
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| 20 | //# with livedata. If not, see <http://www.gnu.org/licenses/>.
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| 21 | //#
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| 22 | //# Correspondence concerning livedata may be directed to:
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| 23 | //# Internet email: mcalabre@atnf.csiro.au
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| 24 | //# Postal address: Dr. Mark Calabretta
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| 25 | //# Australia Telescope National Facility, CSIRO
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| 26 | //# PO Box 76
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| 27 | //# Epping NSW 1710
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| 28 | //# AUSTRALIA
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| 29 | //#
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| 30 | //# http://www.atnf.csiro.au/computing/software/livedata.html
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| 31 | //# $Id: PKSFITSreader.h,v 19.18 2009-09-29 07:33:38 cal103 Exp $
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| 32 | //#---------------------------------------------------------------------------
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| 33 | //# This class is basically a wrapper class for reading data from either an
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| 34 | //# MBFITS (single dish variant of RPFITS) or SDFITS file using the relevant
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| 35 | //# lower-level classes. It translates AIPS++isms to/from basic C++.
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| 36 | //#
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| 37 | //# Original: 2000/08/02, Mark Calabretta, ATNF
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| 38 | //#---------------------------------------------------------------------------
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| 39 |
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| 40 | #ifndef ATNF_PKSFITSREADER_H
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| 41 | #define ATNF_PKSFITSREADER_H
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| 42 |
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| 43 | #include <atnf/PKSIO/FITSreader.h>
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| 44 | #include <atnf/PKSIO/PKSrecord.h>
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| 45 | #include <atnf/PKSIO/PKSreader.h>
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| 46 |
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| 47 | #include <casa/aips.h>
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| 48 | #include <casa/stdio.h>
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| 49 | #include <casa/Arrays/Vector.h>
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| 50 | #include <casa/Arrays/Matrix.h>
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| 51 | #include <casa/BasicSL/Complex.h>
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| 52 | #include <casa/BasicSL/String.h>
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| 53 |
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| 54 | #include <casa/namespace.h>
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| 55 |
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| 56 | // <summary>
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| 57 | // Class to read Parkes Multibeam data from a FITS file.
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| 58 | // </summary>
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| 59 |
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| 60 | class PKSFITSreader : public PKSreader
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| 61 | {
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| 62 | public:
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| 63 | // Default constructor.
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| 64 | PKSFITSreader(
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| 65 | const String fitsType,
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| 66 | const Int retry = 0,
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| 67 | const Bool interpolate = True);
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| 68 |
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| 69 | // Destructor.
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| 70 | virtual ~PKSFITSreader();
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| 71 |
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| 72 | // Set message disposition.
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| 73 | virtual Int setMsg(
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| 74 | FILE *fd = 0x0);
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| 75 |
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| 76 | // Open the FITS file for reading.
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| 77 | virtual Int open(
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| 78 | const String fitsName,
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| 79 | Vector<Bool> &beams,
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| 80 | Vector<Bool> &IFs,
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| 81 | Vector<uInt> &nChan,
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| 82 | Vector<uInt> &nPol,
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| 83 | Vector<Bool> &haveXPol,
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| 84 | Bool &haveBase,
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| 85 | Bool &haveSpectra);
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| 86 |
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| 87 | // Get parameters describing the data.
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| 88 | virtual Int getHeader(
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| 89 | String &observer,
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| 90 | String &project,
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| 91 | String &antName,
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| 92 | Vector<Double> &antPosition,
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| 93 | String &obsType,
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| 94 | String &bunit,
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| 95 | Float &equinox,
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| 96 | String &dopplerFrame,
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| 97 | Double &mjd,
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| 98 | Double &refFreq,
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| 99 | Double &bandwidth);
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| 100 |
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| 101 | // Get frequency parameters for each IF.
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| 102 | virtual Int getFreqInfo(
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| 103 | Vector<Double> &startFreq,
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| 104 | Vector<Double> &endFreq);
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| 105 |
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| 106 | // Set data selection criteria. Channel numbering is 1-relative, zero or
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| 107 | // negative channel numbers are taken to be offsets from the last channel.
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| 108 | virtual uInt select(
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| 109 | const Vector<Bool> beamSel,
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| 110 | const Vector<Bool> IFsel,
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| 111 | const Vector<Int> startChan,
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| 112 | const Vector<Int> endChan,
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| 113 | const Vector<Int> refChan,
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| 114 | const Bool getSpectra = True,
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| 115 | const Bool getXPol = False,
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| 116 | const Int coordSys = 0);
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| 117 |
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| 118 | // Find the range of the data selected in time and position.
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| 119 | virtual Int findRange(
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| 120 | Int &nRow,
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| 121 | Int &nSel,
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| 122 | Vector<Double> &timeSpan,
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| 123 | Matrix<Double> &positions);
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| 124 |
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| 125 | // Read the next data record.
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| 126 | virtual Int read(PKSrecord &pksrec);
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| 127 |
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| 128 | // Close the FITS file.
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| 129 | virtual void close();
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| 130 |
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| 131 | private:
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| 132 | Int *cBeams, *cIFs;
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| 133 | uInt cNBeam, cNIF;
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| 134 | MBrecord cMBrec;
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| 135 | FITSreader *cReader;
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| 136 |
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| 137 | Char* trim(char *string);
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| 138 | };
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| 139 |
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| 140 | #endif
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