source: trunk/external-alma/atnf/PKSIO/MBFITSreader.h@ 3120

Last change on this file since 3120 was 3089, checked in by Kana Sugimoto, 9 years ago

New Development: No

JIRA Issue: No

Ready for Test: Yes

Interface Changes: No

What Interface Changed:

Test Programs:

Put in Release Notes: No

Module(s):

Description: fixes to get rid of clang build warnings.


File size: 5.2 KB
Line 
1//#---------------------------------------------------------------------------
2//# MBFITSreader.h: ATNF single-dish RPFITS reader.
3//#---------------------------------------------------------------------------
4//# livedata - processing pipeline for single-dish, multibeam spectral data.
5//# Copyright (C) 2000-2009, Australia Telescope National Facility, CSIRO
6//#
7//# This file is part of livedata.
8//#
9//# livedata is free software: you can redistribute it and/or modify it under
10//# the terms of the GNU General Public License as published by the Free
11//# Software Foundation, either version 3 of the License, or (at your option)
12//# any later version.
13//#
14//# livedata is distributed in the hope that it will be useful, but WITHOUT
15//# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
16//# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
17//# more details.
18//#
19//# You should have received a copy of the GNU General Public License along
20//# with livedata. If not, see <http://www.gnu.org/licenses/>.
21//#
22//# Correspondence concerning livedata may be directed to:
23//# Internet email: mcalabre@atnf.csiro.au
24//# Postal address: Dr. Mark Calabretta
25//# Australia Telescope National Facility, CSIRO
26//# PO Box 76
27//# Epping NSW 1710
28//# AUSTRALIA
29//#
30//# http://www.atnf.csiro.au/computing/software/livedata.html
31//# $Id: MBFITSreader.h,v 19.23 2009-09-29 07:33:38 cal103 Exp $
32//#---------------------------------------------------------------------------
33//# The MBFITSreader class reads single dish RPFITS files (such as Parkes
34//# Multibeam MBFITS files).
35//#
36//# Original: 2000/07/28 Mark Calabretta
37//#---------------------------------------------------------------------------
38
39#ifndef ATNF_MBFITSREADER_H
40#define ATNF_MBFITSREADER_H
41
42#include <atnf/PKSIO/FITSreader.h>
43#include <atnf/PKSIO/MBrecord.h>
44
45
46// <summary>
47// ATNF single-dish RPFITS reader.
48// </summary>
49
50class MBFITSreader : public FITSreader
51{
52 public:
53 // Default constructor; position interpolation codes are:
54 // 0: no interpolation,
55 // 1: correct interpolation,
56 // 2: pksmbfits interpolation.
57 MBFITSreader(const int retry = 0, const int interpolate = 1);
58
59 // Destructor.
60 virtual ~MBFITSreader();
61
62 // Open the RPFITS file for reading.
63 virtual int open(
64 char *rpname,
65 int &nBeam,
66 int* &beams,
67 int &nIF,
68 int* &IFs,
69 int* &nChan,
70 int* &nPol,
71 int* &haveXPol,
72 int &haveBase,
73 int &haveSpectra,
74 int &extraSysCal);
75
76 // Get parameters describing the data.
77 virtual int getHeader(
78 char observer[32],
79 char project[32],
80 char telescope[32],
81 double antPos[3],
82 char obsType[32],
83 char bunit[32],
84 float &equinox,
85 char radecsys[32],
86 char dopplerFrame[32],
87 char datobs[32],
88 double &utc,
89 double &refFreq,
90 double &bandwidth);
91
92 // Get frequency parameters for each IF.
93 virtual int getFreqInfo(
94 int &nIF,
95 double* &startFreq,
96 double* &endFreq);
97
98 // Find the range of the data selected in time and position.
99 virtual int findRange(
100 int &nRow,
101 int &nSel,
102 char dateSpan[2][32],
103 double utcSpan[2],
104 double* &positions);
105
106 // Read the next data record.
107 virtual int read(MBrecord &record);
108
109 // Close the RPFITS file.
110 virtual void close(void);
111
112 private:
113 // RPFITSIN subroutine arguments.
114 int cBaseline, cFlag, cBin, cIFno, cSrcNo;
115 float cUTC, cU, cV, cW, *cVis, *cWgt;
116
117 char cDateObs[12];
118 int *cBeamSel, *cChanOff, cFirst, *cIFSel, cInterp, cIntTime, cMBopen,
119 cMopra, cNBeamSel, cNBin, cRetry, cSimulIF, cSUpos, *cXpolOff;
120
121 // The data has to be bufferred to allow positions to be interpolated.
122 int cEOF, cEOS, cFlushBin, cFlushIF, cFlushing;
123 double *cPosUTC;
124 MBrecord *cBuffer;
125
126 // Scan and cycle number bookkeeping.
127 int cCycleNo, cScanNo;
128 double cPrevUTC;
129
130 // Read the next data record from the RPFITS file.
131 int rpget(int syscalonly, int &EOS);
132 int rpfitsin(int &jstat);
133
134 // Check and, if necessary, repair a position timestamp.
135 int cCode5, cNRate;
136 double cAvRate[2];
137 int fixw(const char *datobs, int cycleNo, int beamNo, double avRate[2],
138 double thisRA, double thisDec, double thisUTC,
139 double nextRA, double nextDec, float &nextUTC);
140
141 // Subtract two UTCs (s).
142 double utcDiff(double utc1, double utc2);
143
144 // Compute and apply the scan rate corrected for grid convergence.
145 double cRA0, cDec0;
146 void scanRate(double ra0, double dec0,
147 double ra1, double dec1,
148 double ra2, double dec2, double dt,
149 double &raRate, double &decRate);
150 void applyRate(double ra0, double dec0,
151 double ra1, double dec1,
152 double raRate, double decRate, double dt,
153 double &ra2, double &dec2);
154 void eulerx(double lng0, double lat0, double phi0, double theta,
155 double phi, double &lng1, double &lat1);
156};
157
158#endif
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