[1325] | 1 | //#--------------------------------------------------------------------------- |
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| 2 | //# SDFITSreader.h: ATNF CFITSIO interface class for SDFITS input. |
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| 3 | //#--------------------------------------------------------------------------- |
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[1635] | 4 | //# Copyright (C) 2000-2009 |
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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 this software 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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[1635] | 28 | //# $Id: SDFITSreader.h,v 19.21 2009-03-18 07:11:51 cal103 Exp $ |
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[1325] | 29 | //#--------------------------------------------------------------------------- |
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| 30 | //# The SDFITSreader class reads single dish FITS files such as those written |
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| 31 | //# by SDFITSwriter containing Parkes Multibeam data. |
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| 32 | //# |
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| 33 | //# Original: 2000/08/09, Mark Calabretta, ATNF |
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| 34 | //#--------------------------------------------------------------------------- |
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| 35 | |
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| 36 | #ifndef ATNF_SDFITSREADER_H |
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| 37 | #define ATNF_SDFITSREADER_H |
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| 38 | |
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| 39 | #include <atnf/PKSIO/FITSreader.h> |
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[1452] | 40 | #include <atnf/PKSIO/MBrecord.h> |
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[1325] | 41 | |
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| 42 | #include <fitsio.h> |
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| 43 | |
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[1452] | 44 | using namespace std; |
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| 45 | |
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[1325] | 46 | // <summary> |
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| 47 | // ATNF class for SDFITS input using CFITSIO. |
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| 48 | // </summary> |
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| 49 | |
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| 50 | class SDFITSreader : public FITSreader |
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| 51 | { |
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| 52 | public: |
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| 53 | // Default constructor. |
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| 54 | SDFITSreader(); |
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| 55 | |
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| 56 | // Destructor. |
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| 57 | virtual ~SDFITSreader(); |
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| 58 | |
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| 59 | // Open an SDFITS file for reading. |
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| 60 | virtual int open( |
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| 61 | char* sdname, |
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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 obsMode[32], |
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[1399] | 80 | char bunit[32], |
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[1325] | 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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[1452] | 104 | virtual int read(MBrecord &record); |
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[1325] | 105 | |
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| 106 | // Close the SDFITS 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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[1635] | 110 | int cCycleNo, cExtraSysCal, cNAxes, cStatus; |
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| 111 | long cBeamAxis, cDecAxis, cFreqAxis, cNAxis[5], cNAxisTime, cNRow, |
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| 112 | cRaAxis, cRow, cStokesAxis, cTimeAxis, cTimeIdx; |
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[1325] | 113 | double cLastUTC; |
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| 114 | fitsfile *cSDptr; |
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| 115 | class FITSparm *cData; |
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| 116 | |
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| 117 | // These are to differentiate 0-, and 1-relative beam and IF numbering. |
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| 118 | int cBeam_1rel, cIF_1rel; |
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| 119 | |
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| 120 | enum {SCAN, CYCLE, DATE_OBS, TIME, EXPOSURE, OBJECT, OBJ_RA, OBJ_DEC, |
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[1635] | 121 | RESTFRQ, OBSMODE, BEAM, IF, FqRefVal, FqDelt, FqRefPix, RA, DEC, |
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| 122 | TimeRefVal, TimeDelt, TimeRefPix, SCANRATE, TSYS, CALFCTR, XCALFCTR, |
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| 123 | BASELIN, BASESUB, DATA, FLAGGED, DATAXED, XPOLDATA, REFBEAM, TCAL, |
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| 124 | TCALTIME, AZIMUTH, ELEVATIO, PARANGLE, FOCUSAXI, FOCUSTAN, FOCUSROT, |
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| 125 | TAMBIENT, PRESSURE, HUMIDITY, WINDSPEE, WINDDIRE, NDATA}; |
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[1325] | 126 | |
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[1452] | 127 | // Message handling. |
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| 128 | virtual void logMsg(const char *msg = 0x0); |
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| 129 | |
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[1325] | 130 | void findData(int iData, char *name, int type); |
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[1635] | 131 | void findCol(char *name, int *colnum); |
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[1325] | 132 | int readDim(int iData, long iRow, int *naxis, long naxes[]); |
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| 133 | int readParm(char *name, int type, void *value); |
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| 134 | int readData(char *name, int type, long iRow, void *value); |
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| 135 | int readData(int iData, long iRow, void *value); |
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[1635] | 136 | int readCol(int iData, void *value); |
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| 137 | int readTime(long iRow, int iPix, char *datobs, double &utc); |
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[1325] | 138 | |
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[1635] | 139 | // These are for ALFA data: "BDFITS" or "CIMAFITS". Statics are required |
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| 140 | // for CIMAFITS v2.0 because CAL ON/OFF data is split into separate files. |
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| 141 | static int sInit, sReset; |
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| 142 | static int (*sALFAcalNon)[2], (*sALFAcalNoff)[2]; |
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| 143 | static float (*sALFAcal)[2], (*sALFAcalOn)[2], (*sALFAcalOff)[2]; |
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| 144 | |
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[1325] | 145 | int cALFA, cALFA_BD, cALFA_CIMA, cALFAscan, cScanNo; |
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[1635] | 146 | float cALFAacc; |
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[1452] | 147 | int alfaCal(short iBeam, short iIF, short iPol); |
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[1635] | 148 | float alfaGain(float zd); |
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[1325] | 149 | |
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| 150 | // These are for GBT data. |
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| 151 | int cGBT, cFirstScanNo; |
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| 152 | }; |
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| 153 | |
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| 154 | #endif |
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