| 1 | //#--------------------------------------------------------------------------- |
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| 2 | //# MBFITSreader.h: ATNF single-dish RPFITS reader. |
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| 3 | //#--------------------------------------------------------------------------- |
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| 4 | //# Copyright (C) 2000-2007 |
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| 5 | //# Mark Calabretta, ATNF |
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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 this software should be addressed as follows: |
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| 22 | //# Internet email: mcalabre@atnf.csiro.au. |
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| 23 | //# Postal address: Dr. Mark Calabretta, |
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| 24 | //# Australia Telescope National Facility, |
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| 25 | //# P.O. Box 76, |
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| 26 | //# Epping, NSW, 2121, |
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| 27 | //# AUSTRALIA |
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| 28 | //# |
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| 29 | //# $Id: MBFITSreader.h,v 19.15 2008-06-26 02:14:36 cal103 Exp $ |
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| 30 | //#--------------------------------------------------------------------------- |
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| 31 | //# The MBFITSreader class reads single dish RPFITS files (such as Parkes |
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| 32 | //# Multibeam MBFITS files). |
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| 33 | //# |
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| 34 | //# Original: 2000/07/28 Mark Calabretta |
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| 35 | //#--------------------------------------------------------------------------- |
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| 36 | |
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| 37 | #ifndef ATNF_MBFITSREADER_H |
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| 38 | #define ATNF_MBFITSREADER_H |
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| 39 | |
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| 40 | #include <atnf/PKSIO/FITSreader.h> |
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| 41 | #include <atnf/PKSIO/PKSMBrecord.h> |
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| 42 | |
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| 43 | // <summary> |
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| 44 | // ATNF single-dish RPFITS reader. |
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| 45 | // </summary> |
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| 46 | |
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| 47 | class MBFITSreader : public FITSreader |
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| 48 | { |
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| 49 | public: |
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| 50 | // Default constructor; position interpolation codes are: |
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| 51 | // 0: no interpolation, |
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| 52 | // 1: correct interpolation, |
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| 53 | // 2: pksmbfits interpolation. |
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| 54 | MBFITSreader(const int retry = 0, const int interpolate = 1); |
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| 55 | |
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| 56 | // Destructor. |
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| 57 | virtual ~MBFITSreader(); |
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| 58 | |
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| 59 | // Open the RPFITS file for reading. |
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| 60 | virtual int open( |
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| 61 | char *rpname, |
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| 62 | int &nBeam, |
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| 63 | int* &beams, |
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| 64 | int &nIF, |
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| 65 | int* &IFs, |
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| 66 | int* &nChan, |
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| 67 | int* &nPol, |
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| 68 | int* &haveXPol, |
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| 69 | int &haveBase, |
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| 70 | int &haveSpectra, |
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| 71 | int &extraSysCal); |
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| 72 | |
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| 73 | // Get parameters describing the data. |
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| 74 | virtual int getHeader( |
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| 75 | char observer[32], |
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| 76 | char project[32], |
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| 77 | char telescope[32], |
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| 78 | double antPos[3], |
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| 79 | char obsType[32], |
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| 80 | char bunit[32], |
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| 81 | float &equinox, |
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| 82 | char radecsys[32], |
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| 83 | char dopplerFrame[32], |
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| 84 | char datobs[32], |
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| 85 | double &utc, |
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| 86 | double &refFreq, |
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| 87 | double &bandwidth); |
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| 88 | |
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| 89 | // Get frequency parameters for each IF. |
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| 90 | virtual int getFreqInfo( |
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| 91 | int &nIF, |
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| 92 | double* &startFreq, |
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| 93 | double* &endFreq); |
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| 94 | |
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| 95 | // Find the range of the data selected in time and position. |
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| 96 | virtual int findRange( |
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| 97 | int &nRow, |
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| 98 | int &nSel, |
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| 99 | char dateSpan[2][32], |
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| 100 | double utcSpan[2], |
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| 101 | double* &positions); |
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| 102 | |
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| 103 | // Read the next data record. |
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| 104 | virtual int read(PKSMBrecord &record); |
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| 105 | |
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| 106 | // Close the RPFITS file. |
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| 107 | virtual void close(void); |
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| 108 | |
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| 109 | private: |
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| 110 | // RPFITSIN subroutine arguments. |
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| 111 | int cBaseline, cFlag, cBin, cIFno, cSrcNo; |
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| 112 | float cUTC, cU, cV, cW, *cVis, *cWgt; |
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| 113 | |
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| 114 | char cDateObs[10]; |
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| 115 | int *cBeamSel, *cChanOff, cFirst, *cIFSel, cInterp, cIntTime, cMBopen, |
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| 116 | cMopra, cNBeamSel, cNBin, cRetry, cSUpos, *cXpolOff; |
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| 117 | |
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| 118 | // The data has to be bufferred to allow positions to be interpolated. |
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| 119 | int cEOF, cEOS, cFlushBin, cFlushIF, cFlushing; |
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| 120 | double *cPosUTC; |
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| 121 | PKSMBrecord *cBuffer; |
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| 122 | |
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| 123 | int cCycleNo, cScanNo; |
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| 124 | double cPrevUTC; |
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| 125 | |
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| 126 | // Read the next data record from the RPFITS file. |
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| 127 | int rpget(int syscalonly, int &EOS); |
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| 128 | }; |
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| 129 | |
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| 130 | #endif |
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