| [1325] | 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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| [1427] | 4 | //# Copyright (C) 2000-2008
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| [1325] | 5 | //# Associated Universities, Inc. Washington DC, USA.
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| 6 | //#
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| 7 | //# This library is free software; you can redistribute it and/or modify it
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| 8 | //# under the terms of the GNU Library General Public License as published by
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| 9 | //# the Free Software Foundation; either version 2 of the License, or (at your
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| 10 | //# option) any later version.
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| 11 | //#
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| 12 | //# This library is distributed in the hope that it will be useful, but WITHOUT
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| 13 | //# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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| 14 | //# FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public
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| 15 | //# License for more details.
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| 16 | //#
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| 17 | //# You should have received a copy of the GNU Library General Public License
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| 18 | //# along with this library; if not, write to the Free Software Foundation,
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| 19 | //# Inc., 675 Massachusetts Ave, Cambridge, MA 02139, USA.
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| 20 | //#
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| 21 | //# Correspondence concerning AIPS++ should be addressed as follows:
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| 22 | //# Internet email: aips2-request@nrao.edu.
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| 23 | //# Postal address: AIPS++ Project Office
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| 24 | //# National Radio Astronomy Observatory
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| 25 | //# 520 Edgemont Road
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| 26 | //# Charlottesville, VA 22903-2475 USA
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| 27 | //#
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| [1452] | 28 | //# $Id: PKSFITSreader.h,v 19.17 2008-11-17 06:38:05 cal103 Exp $
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| [1325] | 29 | //#---------------------------------------------------------------------------
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| 30 | //# This class is basically a wrapper class for reading data from either an
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| 31 | //# MBFITS (single dish variant of RPFITS) or SDFITS file using the relevant
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| 32 | //# lower-level classes. It translates AIPS++isms to/from basic C++.
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| 33 | //#
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| 34 | //# Original: 2000/08/02, Mark Calabretta, ATNF
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| 35 | //#---------------------------------------------------------------------------
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| 36 |
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| 37 | #ifndef ATNF_PKSFITSREADER_H
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| 38 | #define ATNF_PKSFITSREADER_H
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| 39 |
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| 40 | #include <atnf/PKSIO/FITSreader.h>
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| [1452] | 41 | #include <atnf/PKSIO/PKSrecord.h>
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| [1325] | 42 | #include <atnf/PKSIO/PKSreader.h>
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| 43 |
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| 44 | #include <casa/aips.h>
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| [1452] | 45 | #include <casa/stdio.h>
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| [1325] | 46 | #include <casa/Arrays/Vector.h>
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| 47 | #include <casa/Arrays/Matrix.h>
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| 48 | #include <casa/BasicSL/Complex.h>
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| 49 | #include <casa/BasicSL/String.h>
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| 50 |
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| [1452] | 51 | #include <casa/namespace.h>
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| 52 |
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| [1325] | 53 | // <summary>
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| 54 | // Class to read Parkes Multibeam data from a FITS file.
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| 55 | // </summary>
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| 56 |
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| 57 | class PKSFITSreader : public PKSreader
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| 58 | {
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| 59 | public:
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| 60 | // Default constructor.
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| 61 | PKSFITSreader(
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| 62 | const String fitsType,
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| 63 | const Int retry = 0,
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| 64 | const Bool interpolate = True);
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| 65 |
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| 66 | // Destructor.
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| 67 | virtual ~PKSFITSreader();
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| 68 |
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| [1452] | 69 | // Set message disposition.
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| 70 | virtual Int setMsg(
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| 71 | FILE *fd = 0x0);
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| 72 |
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| [1325] | 73 | // Open the FITS file for reading.
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| 74 | virtual Int open(
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| 75 | const String fitsName,
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| 76 | Vector<Bool> &beams,
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| 77 | Vector<Bool> &IFs,
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| 78 | Vector<uInt> &nChan,
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| 79 | Vector<uInt> &nPol,
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| 80 | Vector<Bool> &haveXPol,
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| 81 | Bool &haveBase,
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| 82 | Bool &haveSpectra);
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| 83 |
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| 84 | // Get parameters describing the data.
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| 85 | virtual Int getHeader(
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| 86 | String &observer,
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| 87 | String &project,
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| 88 | String &antName,
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| 89 | Vector<Double> &antPosition,
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| 90 | String &obsType,
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| [1399] | 91 | String &bunit,
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| [1325] | 92 | Float &equinox,
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| 93 | String &dopplerFrame,
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| 94 | Double &mjd,
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| 95 | Double &refFreq,
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| 96 | Double &bandwidth);
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| 97 |
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| 98 | // Get frequency parameters for each IF.
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| 99 | virtual Int getFreqInfo(
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| 100 | Vector<Double> &startFreq,
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| 101 | Vector<Double> &endFreq);
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| 102 |
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| 103 | // Set data selection criteria. Channel numbering is 1-relative, zero or
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| 104 | // negative channel numbers are taken to be offsets from the last channel.
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| 105 | virtual uInt select(
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| 106 | const Vector<Bool> beamSel,
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| 107 | const Vector<Bool> IFsel,
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| 108 | const Vector<Int> startChan,
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| 109 | const Vector<Int> endChan,
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| 110 | const Vector<Int> refChan,
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| 111 | const Bool getSpectra = True,
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| 112 | const Bool getXPol = False,
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| [1452] | 113 | const Int coordSys = 0);
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| [1325] | 114 |
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| 115 | // Find the range of the data selected in time and position.
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| 116 | virtual Int findRange(
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| 117 | Int &nRow,
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| 118 | Int &nSel,
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| 119 | Vector<Double> &timeSpan,
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| 120 | Matrix<Double> &positions);
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| 121 |
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| 122 | // Read the next data record.
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| [1452] | 123 | virtual Int read(PKSrecord &pksrec);
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| [1325] | 124 |
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| 125 | // Close the FITS file.
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| 126 | virtual void close();
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| 127 |
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| 128 | private:
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| 129 | Int *cBeams, *cIFs;
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| 130 | uInt cNBeam, cNIF;
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| [1452] | 131 | MBrecord cMBrec;
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| [1325] | 132 | FITSreader *cReader;
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| 133 |
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| 134 | Char* trim(char *string);
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| 135 | };
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| 136 |
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| 137 | #endif
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