| 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 19.17 2008-11-17 06:38:05 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/PKSrecord.h> |
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| 42 | #include <atnf/PKSIO/PKSreader.h> |
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| 43 | |
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| 44 | #include <casa/aips.h> |
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| 45 | #include <casa/stdio.h> |
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| 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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| 51 | #include <casa/namespace.h> |
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| 52 | |
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| 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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| 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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| 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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| 91 | String &bunit, |
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| 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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| 113 | const Int coordSys = 0); |
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| 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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| 123 | virtual Int read(PKSrecord &pksrec); |
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| 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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| 131 | MBrecord cMBrec; |
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| 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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