| 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 | //# Copyright (C) 2000-2008
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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 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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| 28 | //# $Id: PKSFITSreader.h,v 19.13 2008-06-26 02:02:43 cal103 Exp $
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| 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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| 41 | #include <atnf/PKSIO/PKSreader.h>
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| 42 |
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| 43 | #include <casa/aips.h>
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| 44 | #include <casa/Arrays/Vector.h>
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| 45 | #include <casa/Arrays/Matrix.h>
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| 46 | #include <casa/BasicSL/Complex.h>
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| 47 | #include <casa/BasicSL/String.h>
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| 48 |
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| 49 | // <summary>
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| 50 | // Class to read Parkes Multibeam data from a FITS file.
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| 51 | // </summary>
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| 52 |
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| 53 | #include <casa/namespace.h>
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| 54 | class PKSFITSreader : public PKSreader
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| 55 | {
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| 56 | public:
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| 57 | // Default constructor.
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| 58 | PKSFITSreader(
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| 59 | const String fitsType,
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| 60 | const Int retry = 0,
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| 61 | const Bool interpolate = True);
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| 62 |
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| 63 | // Destructor.
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| 64 | virtual ~PKSFITSreader();
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| 65 |
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| 66 | // Open the FITS file for reading.
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| 67 | virtual Int open(
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| 68 | const String fitsName,
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| 69 | Vector<Bool> &beams,
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| 70 | Vector<Bool> &IFs,
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| 71 | Vector<uInt> &nChan,
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| 72 | Vector<uInt> &nPol,
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| 73 | Vector<Bool> &haveXPol,
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| 74 | Bool &haveBase,
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| 75 | Bool &haveSpectra);
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| 76 |
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| 77 | // Get parameters describing the data.
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| 78 | virtual Int getHeader(
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| 79 | String &observer,
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| 80 | String &project,
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| 81 | String &antName,
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| 82 | Vector<Double> &antPosition,
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| 83 | String &obsType,
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| 84 | String &bunit,
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| 85 | Float &equinox,
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| 86 | String &dopplerFrame,
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| 87 | Double &mjd,
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| 88 | Double &refFreq,
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| 89 | Double &bandwidth);
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| 90 |
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| 91 | // Get frequency parameters for each IF.
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| 92 | virtual Int getFreqInfo(
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| 93 | Vector<Double> &startFreq,
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| 94 | Vector<Double> &endFreq);
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| 95 |
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| 96 | // Set data selection criteria. Channel numbering is 1-relative, zero or
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| 97 | // negative channel numbers are taken to be offsets from the last channel.
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| 98 | virtual uInt select(
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| 99 | const Vector<Bool> beamSel,
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| 100 | const Vector<Bool> IFsel,
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| 101 | const Vector<Int> startChan,
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| 102 | const Vector<Int> endChan,
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| 103 | const Vector<Int> refChan,
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| 104 | const Bool getSpectra = True,
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| 105 | const Bool getXPol = False,
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| 106 | const Bool getFeedPos = False);
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| 107 |
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| 108 | // Find the range of the data selected in time and position.
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| 109 | virtual Int findRange(
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| 110 | Int &nRow,
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| 111 | Int &nSel,
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| 112 | Vector<Double> &timeSpan,
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| 113 | Matrix<Double> &positions);
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| 114 |
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| 115 | // Read the next data record.
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| 116 | virtual Int read(MBrecord &mbrec);
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| 117 |
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| 118 | // Read the next data record, just the basics.
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| 119 | virtual Int read(
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| 120 | Int &IFno,
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| 121 | Vector<Float> &tsys,
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| 122 | Vector<Float> &calFctr,
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| 123 | Matrix<Float> &baseLin,
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| 124 | Matrix<Float> &baseSub,
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| 125 | Matrix<Float> &spectra,
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| 126 | Matrix<uChar> &flagged);
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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 | PKSMBrecord cFITSMBrec;
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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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