source: trunk/external/atnf/PKSIO/PKSreader.h@ 1446

Last change on this file since 1446 was 1427, checked in by Malte Marquarding, 16 years ago

sync with livedata/implement/atnf

File size: 7.7 KB
RevLine 
[1325]1//#---------------------------------------------------------------------------
2//# PKSreader.h: Class to read Parkes multibeam data.
3//#---------------------------------------------------------------------------
[1427]4//# Copyright (C) 2000-2008
[1325]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 AIPS++ 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//#
[1427]28//# $Id: PKSreader.h,v 19.13 2008-06-26 01:50:24 cal103 Exp $
[1325]29//#---------------------------------------------------------------------------
30//# Original: 2000/08/02, Mark Calabretta, ATNF
31//#---------------------------------------------------------------------------
32
33#ifndef ATNF_PKSREADER_H
34#define ATNF_PKSREADER_H
35
36#include <casa/aips.h>
37#include <casa/Arrays/Matrix.h>
38#include <casa/Arrays/Vector.h>
39#include <casa/BasicSL/Complex.h>
40#include <casa/BasicSL/String.h>
41
[1427]42#include <casa/namespace.h>
43
[1325]44// <summary>
45// Class to read Parkes multibeam data.
46// </summary>
47
48// Open an appropriate PKSreader for a Parkes Multibeam dataset.
49class PKSreader* getPKSreader(
50 const String name,
51 const Int retry,
52 const Int interpolate,
53 String &format,
54 Vector<Bool> &beams,
55 Vector<Bool> &IFs,
56 Vector<uInt> &nChan,
57 Vector<uInt> &nPol,
58 Vector<Bool> &haveXPol,
59 Bool &haveBase,
60 Bool &haveSpectra);
61
62// As above, but search a list of directories for it.
63class PKSreader* getPKSreader(
64 const String name,
65 const Vector<String> directories,
66 const Int retry,
67 const Int interpolate,
68 Int &iDir,
69 String &format,
70 Vector<Bool> &beams,
71 Vector<Bool> &IFs,
72 Vector<uInt> &nChan,
73 Vector<uInt> &nPol,
74 Vector<Bool> &haveXPol,
75 Bool &haveBase,
76 Bool &haveSpectra);
77
[1427]78class MBrecord;
[1325]79
80class PKSreader
81{
82 public:
83 // Destructor.
84 virtual ~PKSreader() {};
85
86 // Open the dataset.
87 virtual Int open(
88 const String inName,
89 Vector<Bool> &beams,
90 Vector<Bool> &IFs,
91 Vector<uInt> &nChan,
92 Vector<uInt> &nPol,
93 Vector<Bool> &haveXPol,
94 Bool &haveBase,
95 Bool &haveSpectra) = 0;
96
97 // Get parameters describing the data.
98 virtual Int getHeader(
99 String &observer,
100 String &project,
101 String &antName,
102 Vector<Double> &antPosition,
103 String &obsType,
[1399]104 String &bunit,
[1325]105 Float &equinox,
106 String &dopplerFrame,
107 Double &mjd,
108 Double &refFreq,
109 Double &bandwidth) = 0;
110
111 // Get frequency parameters for each IF.
112 virtual Int getFreqInfo(
113 Vector<Double> &startFreq,
114 Vector<Double> &endFreq) = 0;
115
116 // Set data selection criteria. Channel numbering is 1-relative, zero or
117 // negative channel numbers are taken to be offsets from the last channel.
118 virtual uInt select(
119 const Vector<Bool> beamSel,
120 const Vector<Bool> IFsel,
121 const Vector<Int> startChan,
122 const Vector<Int> endChan,
123 const Vector<Int> refChan,
124 const Bool getSpectra = True,
125 const Bool getXPol = False,
126 const Bool getFeedPos = False) = 0;
127
128 // Find the range of the data selected in time and position.
129 virtual Int findRange(
130 Int &nRow,
131 Int &nSel,
132 Vector<Double> &timeSpan,
133 Matrix<Double> &positions) = 0;
134
[1427]135 // Read the next data record (MBrecord is defined below).
136 virtual Int read(MBrecord &mbrec) = 0;
137
138 // Read the next data record (for backwards compatibility, do not use).
[1325]139 virtual Int read(
140 Int &scanNo,
141 Int &cycleNo,
142 Double &mjd,
143 Double &interval,
144 String &fieldName,
145 String &srcName,
146 Vector<Double> &srcDir,
147 Vector<Double> &srcPM,
148 Double &srcVel,
149 String &obsType,
150 Int &IFno,
151 Double &refFreq,
152 Double &bandwidth,
153 Double &freqInc,
154 Double &restFreq,
155 Vector<Float> &tcal,
156 String &tcalTime,
157 Float &azimuth,
158 Float &elevation,
159 Float &parAngle,
160 Float &focusAxi,
161 Float &focusTan,
162 Float &focusRot,
163 Float &temperature,
164 Float &pressure,
165 Float &humidity,
166 Float &windSpeed,
167 Float &windAz,
168 Int &refBeam,
169 Int &beamNo,
170 Vector<Double> &direction,
171 Vector<Double> &scanRate,
172 Vector<Float> &tsys,
173 Vector<Float> &sigma,
174 Vector<Float> &calFctr,
175 Matrix<Float> &baseLin,
176 Matrix<Float> &baseSub,
177 Matrix<Float> &spectra,
178 Matrix<uChar> &flagged,
179 Complex &xCalFctr,
[1427]180 Vector<Complex> &xPol);
[1325]181
182 // Read the next data record, just the basics.
183 virtual Int read(
184 Int &IFno,
185 Vector<Float> &tsys,
186 Vector<Float> &calFctr,
187 Matrix<Float> &baseLin,
188 Matrix<Float> &baseSub,
189 Matrix<Float> &spectra,
190 Matrix<uChar> &flagged) = 0;
191
192 // Close the input file.
193 virtual void close() = 0;
194
195 protected:
196 Bool cGetFeedPos, cGetSpectra, cGetXPol;
197
198 Vector<uInt> cNChan, cNPol;
199 Vector<Bool> cHaveXPol;
200};
201
[1427]202
203// Essentially just a struct used as a function argument.
204class MBrecord
205{
206 public:
207 Int scanNo;
208 Int cycleNo;
209 Double mjd;
210 Double interval;
211 String fieldName;
212 String srcName;
213 Vector<Double> srcDir;
214 Vector<Double> srcPM;
215 Double srcVel;
216 String obsType;
217 Int IFno;
218 Double refFreq;
219 Double bandwidth;
220 Double freqInc;
221 Double restFreq;
222 Vector<Float> tcal;
223 String tcalTime;
224 Float azimuth;
225 Float elevation;
226 Float parAngle;
227 Float focusAxi;
228 Float focusTan;
229 Float focusRot;
230 Float temperature;
231 Float pressure;
232 Float humidity;
233 Float windSpeed;
234 Float windAz;
235 Int refBeam;
236 Int beamNo;
237 Vector<Double> direction;
238 Vector<Double> scanRate;
239 Int rateAge;
240 Int rateson;
241 Vector<Float> tsys;
242 Vector<Float> sigma;
243 Vector<Float> calFctr;
244 Matrix<Float> baseLin;
245 Matrix<Float> baseSub;
246 Matrix<Float> spectra;
247 Matrix<uChar> flagged;
248 Complex xCalFctr;
249 Vector<Complex> xPol;
250};
251
[1325]252#endif
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