source: trunk/external-alma/atnf/PKSIO/FITSreader.h@ 3116

Last change on this file since 3116 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: 4.5 KB
Line 
1//#---------------------------------------------------------------------------
2//# FITSreader.h: ATNF single-dish FITS 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: FITSreader.h,v 19.11 2009-09-29 07:33:38 cal103 Exp $
32//#---------------------------------------------------------------------------
33//# The FITSreader class is an abstract base class for the Parkes Multibeam
34//# RPFITS and SDFITS readers.
35//#
36//# Original: 2000/08/14 Mark Calabretta
37//#---------------------------------------------------------------------------
38
39#ifndef ATNF_FITSREADER_H
40#define ATNF_FITSREADER_H
41
42#include <atnf/PKSIO/MBrecord.h>
43
44
45// <summary>
46// ATNF single-dish FITS reader.
47// </summary>
48
49//class FITSreader
50class FITSreader
51{
52 public:
53 // Destructor.
54 virtual ~FITSreader() {};
55
56 // Open the FITS file for reading. Returns a pointer, beams, to an array
57 // of length nBeam that indicates which beams are present in the data.
58 // Beam selection is done by zeroing the unwanted elements of this array.
59 // Likewise for IF selection (e.g. for frequency-switched data).
60 virtual int open(
61 char *FITSname,
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) = 0;
72
73 // Get metadata.
74 virtual int getHeader(
75 char observer[32],
76 char project[32],
77 char telescope[32],
78 double antPos[3],
79 char obsType[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) = 0;
88
89 // Get frequency parameters for each IF.
90 virtual int getFreqInfo(
91 int &nIF,
92 double* &startFreq,
93 double* &endFreq) = 0;
94
95 // Set data selection criteria. Channel numbering is 1-relative, zero or
96 // negative channel numbers are taken to be offsets from the last channel.
97 // Coordinate systems are
98 // 0: equatorial (RA,Dec),
99 // 1: horizontal (Az,El),
100 // 2: feed-plane,
101 // 3: zenithal position angle of feed and elevation, (ZPA,El).
102 int select(
103 const int startChan[],
104 const int endChan[],
105 const int refChan[],
106 const int getSpectra = 1,
107 const int getXPol = 0,
108 const int getFeedPos = 0,
109 const int getPointing = 0,
110 const int coordSys = 0);
111
112
113 // Find the range in time and position of the data selected.
114 virtual int findRange(
115 int &nRow,
116 int &nSel,
117 char dateSpan[2][32],
118 double utcSpan[2],
119 double* &positions) = 0;
120
121 // Read the next data record.
122 virtual int read(
123// PKSMBrecord &record) = 0;
124 MBrecord &record) = 0;
125
126 // Close the RPFITS file.
127 virtual void close(void) = 0;
128
129 protected:
130 int *cBeams, *cEndChan, cGetFeedPos, cCoordSys, cGetSpectra, cGetXPol,
131 cHaveBase, cHaveSpectra, *cHaveXPol, *cIFs, cNBeam, *cNChan, cNIF,
132 *cNPol, *cRefChan, *cStartChan;
133
134 // For use in constructing messages.
135 char cMsg[256];
136
137};
138
139#endif
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