source: trunk/external-alma/atnf/PKSIO/NROReader.h@ 2960

Last change on this file since 2960 was 2780, checked in by Takeshi Nakazato, 12 years ago

New Development: No

JIRA Issue: No

Ready for Test: Yes

Interface Changes: No

What Interface Changed: Please list interface changes

Test Programs: List test programs

Put in Release Notes: Yes/No

Module(s): Module Names change impacts.

Description: Describe your changes here...

Refactoring reader.
File size: 7.9 KB
Line 
1//#---------------------------------------------------------------------------
2//# NROReader.h: Base class to read NRO 45m and ASTE data.
3//#---------------------------------------------------------------------------
4//# Copyright (C) 2000-2006
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//#
28//# $Id$
29//#---------------------------------------------------------------------------
30//# Original: 2008/10/30, Takeshi Nakazato, NAOJ
31//#---------------------------------------------------------------------------
32
33#ifndef NRO_READER_H
34#define NRO_READER_H
35
36#include <string>
37#include <stdio.h>
38#include <vector>
39
40#include <casa/aips.h>
41#include <casa/Arrays/Vector.h>
42#include <casa/BasicSL/String.h>
43#include <measures/Measures/MPosition.h>
44#include <measures/Measures/MEpoch.h>
45#include <measures/Measures/MCPosition.h>
46#include <measures/Measures/MDirection.h>
47#include <measures/Measures/MCDirection.h>
48#include <measures/Measures/MeasConvert.h>
49#include <measures/Measures/MeasFrame.h>
50#include <casa/Logging/LogIO.h>
51#include <casa/Utilities/CountedPtr.h>
52
53//#include <fitsio.h>
54
55#include <casa/namespace.h>
56
57#include <atnf/PKSIO/NRODataset.h>
58#include <atnf/PKSIO/NRODataRecord.h>
59
60// <summary>
61// Base class to read NRO 45m and ASTE data.
62// </summary>
63// <use visibility=global>
64//
65// <prerequisite>
66// <li> <linkto class=NRODataset>NRODataset</linkto>
67// </prerequisite>
68//
69// <reviewed reviewer="" date="" tests="" demos="">
70// </reviewed>
71//
72// <etymology>
73// <linkto class=NROReader>NROReader</linkto> is a base class for all NRO reader classes.
74// Reader classes have <linkto class=NRODataset>NRODataset</linkto> object to access
75// actual data. These classes are a kind of interface for Scantable data filler.
76// </etymology>
77//
78// <synopsis>
79// Abstract class that is designed as a base class for NRO reader classes.
80// </synopsis>
81//
82
83// Open an appropriate NROreader for a NRO 45m and ASTE dataset.
84class NROReader *getNROReader( const String filename,
85 String &datatype );
86
87// As above, but search a list of directories for it.
88class NROReader *getNROReader( const String filename,
89 const Vector<String> directories,
90 int &iDir,
91 String &datatype ) ;
92
93//
94// NROReader
95//
96class NROReader
97{
98 public:
99 // Constructor
100 NROReader( string name ) ;
101
102 // Destructor.
103 virtual ~NROReader() ;
104
105 // determine whether to import frequency as REST (frequency is same as
106 // NEWSTAR/NOSTAR) or as is (velocity is same as NEWSTAR/NOSTAR)
107 void setFreqRefFromVREF( bool fromVREF ) ;
108
109 // Read data header
110 virtual Int read() ;
111
112 // Get header information
113 virtual int getHeaderInfo( Int &nchan,
114 Int &npol,
115 Int &nif,
116 Int &nbeam,
117 String &observer,
118 String &project,
119 String &obstype,
120 String &antname,
121 Vector<Double> &antpos,
122 Float &equinox,
123 String &freqref,
124 Double &reffreq,
125 Double &bw,
126 Double &utc,
127 String &fluxunit,
128 String &epoch,
129 String &poltype ) ;
130
131 // Get scan information
132 virtual int getScanInfo( int irow,
133 uInt &scanno,
134 uInt &cycleno,
135 uInt &ifno,
136 uInt &beamno,
137 uInt &polno,
138 std::vector<double> &freqs,
139 Vector<Double> &restfreq,
140 uInt &refbeamno,
141 Double &scantime,
142 Double &interval,
143 String &srcname,
144 String &fieldname,
145 Vector<Float> &spectra,
146 Vector<uChar> &flagtra,
147 Vector<Float> &tsys,
148 Vector<Double> &direction,
149 Float &azimuth,
150 Float &elevation,
151 Float &parangle,
152 Float &opacity,
153 uInt &tcalid,
154 Int &fitid,
155 uInt &focusid,
156 Float &temperature,
157 Float &pressure,
158 Float &humidity,
159 Float &windvel,
160 Float &winddir,
161 Double &srcvel,
162 Vector<Double> &propermotion,
163 Vector<Double> &srcdir,
164 Vector<Double> &scanrate ) ;
165
166 // Get scan type
167 virtual string getScanType( int i ) ;
168
169 // Get dataset
170 const NRODataset &dataset() { return *dataset_ ; }
171
172 // Get number of rows
173 virtual Int getRowNum() ;
174
175 // Get IF settings
176 virtual std::vector<Bool> getIFs() ;
177
178 // Get Number of IFs
179 virtual Int getNumIF() = 0 ;
180
181 // Get Beam settings
182 virtual std::vector<Bool> getBeams() ;
183
184 // Get Number of Beams
185 virtual Int getNumBeam() = 0 ;
186
187 protected:
188 // get Dataset object
189 virtual void initDataset() = 0;
190
191 // convert time in character representation to MJD representation
192 virtual double getMJD( char *time ) ;
193 virtual double getMJD( string strStartTime ) ;
194
195 // Get spectrum
196 virtual std::vector< std::vector<double> > getSpectrum() ;
197
198 // Get number of polarization
199 virtual Int getPolarizationNum() ;
200
201 // Get MJD time
202 virtual double getStartTime() ;
203 virtual double getEndTime() ;
204 virtual std::vector<double> getStartIntTime() ;
205 //virtual double getStartIntTime( int i ) ;
206
207 // Get Antenna Position in ITRF coordinate
208 virtual std::vector<double> getAntennaPosition() = 0 ;
209
210 // Get SRCDIRECTION in RADEC(J2000)
211 virtual Vector<Double> getSourceDirection() ;
212
213 // Get DIRECTION in RADEC(J2000)
214 virtual Vector<Double> getDirection( int i ) ;
215 virtual void initConvert( int icoord, double t, char *epoch ) ;
216
217 // Shift frequency by given velocity with respect to specified
218 // velocity reference
219 std::vector<double> shiftFrequency( const std::vector<double> &f, const double &v, const string &vref ) ;
220
221 // filename
222 string filename_ ;
223
224 // dataset
225 CountedPtr<NRODataset> dataset_ ;
226
227 // source direction
228 Vector<Double> srcdir_ ;
229 Vector<Double> msrcdir_ ;
230
231 // for direction conversion
232 CountedPtr<MDirection::Convert> converter_ ;
233 CountedPtr<MeasFrame> mf_ ;
234 MEpoch me_ ;
235 MPosition mp_ ;
236 int coord_ ;
237
238 bool freqRefFromVREF_ ;
239
240 // Logger
241 LogIO os_ ;
242};
243
244#endif /* NRO_READER_H */
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