source: trunk/external/atnf/PKSIO/SDFITSreader.h@ 1547

Last change on this file since 1547 was 1452, checked in by Malte Marquarding, 16 years ago

update from livedata CVS

File size: 4.8 KB
Line 
1//#---------------------------------------------------------------------------
2//# SDFITSreader.h: ATNF CFITSIO interface class for SDFITS input.
3//#---------------------------------------------------------------------------
4//# Copyright (C) 2000-2008
5//# Associated Universities, Inc. Washington DC, USA.
6//#
7//# This library is free software; you can redistribute it and/or modify it
8//# under the terms of the GNU Library General Public License as published by
9//# the Free Software Foundation; either version 2 of the License, or (at your
10//# option) any later version.
11//#
12//# This library is distributed in the hope that it will be useful, but WITHOUT
13//# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
14//# FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public
15//# License for more details.
16//#
17//# You should have received a copy of the GNU Library General Public License
18//# along with this library; if not, write to the Free Software Foundation,
19//# Inc., 675 Massachusetts Ave, Cambridge, MA 02139, USA.
20//#
21//# Correspondence concerning this software should be addressed as follows:
22//# Internet email: aips2-request@nrao.edu.
23//# Postal address: AIPS++ Project Office
24//# National Radio Astronomy Observatory
25//# 520 Edgemont Road
26//# Charlottesville, VA 22903-2475 USA
27//#
28//# $Id: SDFITSreader.h,v 19.16 2008-11-17 06:47:05 cal103 Exp $
29//#---------------------------------------------------------------------------
30//# The SDFITSreader class reads single dish FITS files such as those written
31//# by SDFITSwriter containing Parkes Multibeam data.
32//#
33//# Original: 2000/08/09, Mark Calabretta, ATNF
34//#---------------------------------------------------------------------------
35
36#ifndef ATNF_SDFITSREADER_H
37#define ATNF_SDFITSREADER_H
38
39#include <atnf/PKSIO/FITSreader.h>
40#include <atnf/PKSIO/MBrecord.h>
41
42#include <fitsio.h>
43
44using namespace std;
45
46// <summary>
47// ATNF class for SDFITS input using CFITSIO.
48// </summary>
49
50class SDFITSreader : public FITSreader
51{
52 public:
53 // Default constructor.
54 SDFITSreader();
55
56 // Destructor.
57 virtual ~SDFITSreader();
58
59 // Open an SDFITS file for reading.
60 virtual int open(
61 char* sdname,
62 int &nBeam,
63 int* &beams,
64 int &nIF,
65 int* &IFs,
66 int* &nChan,
67 int* &nPol,
68 int* &haveXPol,
69 int &haveBase,
70 int &haveSpectra,
71 int &extraSysCal);
72
73 // Get parameters describing the data.
74 virtual int getHeader(
75 char observer[32],
76 char project[32],
77 char telescope[32],
78 double antPos[3],
79 char obsMode[32],
80 char bunit[32],
81 float &equinox,
82 char radecsys[32],
83 char dopplerFrame[32],
84 char datobs[32],
85 double &utc,
86 double &refFreq,
87 double &bandwidth);
88
89 // Get frequency parameters for each IF.
90 virtual int getFreqInfo(
91 int &nIF,
92 double* &startFreq,
93 double* &endFreq);
94
95 // Find the range of the data selected in time and position.
96 virtual int findRange(
97 int &nRow,
98 int &nSel,
99 char dateSpan[2][32],
100 double utcSpan[2],
101 double* &positions);
102
103 // Read the next data record.
104 virtual int read(MBrecord &record);
105
106 // Close the SDFITS file.
107 virtual void close(void);
108
109 private:
110 int cCycleNo, cExtraSysCal, cNAxis, cStatus;
111 long cNAxes[5], cNRow, cReqax[4], cRow;
112 double cLastUTC;
113 fitsfile *cSDptr;
114 class FITSparm *cData;
115
116 // These are to differentiate 0-, and 1-relative beam and IF numbering.
117 int cBeam_1rel, cIF_1rel;
118
119 enum {SCAN, CYCLE, DATE_OBS, TIME, EXPOSURE, OBJECT, OBJ_RA, OBJ_DEC,
120 RESTFRQ, OBSMODE, BEAM, IF, FqRefPix, FqRefVal, FqDelt, RA, DEC,
121 SCANRATE, TSYS, CALFCTR, XCALFCTR, BASELIN, BASESUB, DATA, FLAGGED,
122 DATAXED, XPOLDATA, REFBEAM, TCAL, TCALTIME, AZIMUTH, ELEVATIO,
123 PARANGLE, FOCUSAXI, FOCUSTAN, FOCUSROT, TAMBIENT, PRESSURE,
124 HUMIDITY, WINDSPEE, WINDDIRE, NDATA};
125
126 // Message handling.
127 virtual void logMsg(const char *msg = 0x0);
128
129 void findData(int iData, char *name, int type);
130 int readDim(int iData, long iRow, int *naxis, long naxes[]);
131 int readParm(char *name, int type, void *value);
132 int readData(char *name, int type, long iRow, void *value);
133 int readData(int iData, long iRow, void *value);
134 void findCol(char *name, int *colnum);
135
136 // These are for ALFA data: "BDFITS" or "CIMAFITS".
137 int cALFA, cALFA_BD, cALFA_CIMA, cALFAscan, cScanNo;
138 float cALFAcal[8][2], cALFAcalOn[8][2], cALFAcalOff[8][2];
139 int alfaCal(short iBeam, short iIF, short iPol);
140
141 // These are for GBT data.
142 int cGBT, cFirstScanNo;
143};
144
145#endif
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