source: branches/Release-1-fixes/src/SDMemTable.h@ 891

Last change on this file since 891 was 539, checked in by mar637, 20 years ago

Reworked stokestopolspectrum to have polIdx=-1 to enable polSel_.

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File size: 11.2 KB
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1//#---------------------------------------------------------------------------
2//# SDMemTable.h: A MemoryTable container for single dish integrations
3//#---------------------------------------------------------------------------
4//# Copyright (C) 2004
5//# ATNF
6//#
7//# This program is free software; you can redistribute it and/or modify it
8//# under the terms of the GNU General Public License as published by the Free
9//# Software Foundation; either version 2 of the License, or (at your option)
10//# any later version.
11//#
12//# This program is distributed in the hope that it will be useful, but
13//# WITHOUT ANY WARRANTY; without even the implied warranty of
14//# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
15//# Public License for more details.
16//#
17//# You should have received a copy of the GNU General Public License along
18//# with this program; if not, write to the Free Software Foundation, Inc.,
19//# 675 Massachusetts Ave, Cambridge, MA 02139, USA.
20//#
21//# Correspondence concerning this software should be addressed as follows:
22//# Internet email: Malte.Marquarding@csiro.au
23//# Postal address: Malte Marquarding,
24//# Australia Telescope National Facility,
25//# P.O. Box 76,
26//# Epping, NSW, 2121,
27//# AUSTRALIA
28//#
29//# $Id:
30//#---------------------------------------------------------------------------
31#ifndef SDMEMTABLE_H
32#define SDMEMTABLE_H
33
34// STL
35#include <string>
36#include <vector>
37// AIPS++
38#include <casa/aips.h>
39#include <casa/Arrays/MaskedArray.h>
40#include <casa/BasicSL/String.h>
41#include <coordinates/Coordinates/SpectralCoordinate.h>
42#include <tables/Tables/Table.h>
43#include <tables/Tables/ArrayColumn.h>
44#include <tables/Tables/ScalarColumn.h>
45
46#include "SDDefs.h"
47#include "SDFitTable.h"
48
49namespace asap {
50
51class SDContainer;
52class SDHeader;
53class SDFrequencyTable;
54class SDFitTable;
55
56
57
58class SDMemTable {
59public:
60 // create a new (empty) SDMemTable
61 SDMemTable();
62 // create a SDMemTable from an (aips++) table on disk
63 SDMemTable(const std::string& name);
64
65 // Copy Construct a SDMemTable, if clear==True only header and
66 // skeleton are copied, otherwise the whole table is copied.
67 SDMemTable(const SDMemTable& other, casa::Bool clear=casa::False);
68
69 // Copy Construct (copy semantics) a SDMemTable, give a scanid constraint
70 // see also getScan()
71 SDMemTable(const casa::Table& tab, const std::string& expr);
72
73 // Assignment operator (copy semantics)
74 SDMemTable &operator=(const SDMemTable& other);
75
76 virtual ~SDMemTable();
77
78 // put data from meta conatiner into the table
79 bool putSDContainer(const SDContainer& sdc);
80 bool putSDHeader(const SDHeader& sdh);
81 bool putSDFreqTable(const SDFrequencyTable& sdft);
82
83 //get the data wrapped up in a meta container
84
85 SDContainer getSDContainer(casa::uInt whichRow=0) const;
86 SDHeader getSDHeader() const;
87
88 // Get SD Frequency table.
89 SDFrequencyTable getSDFreqTable() const;
90
91 // get spectrum,mask and tsys for the given row, at the selected
92 // cursor - all as stl vectors
93 virtual std::vector<float> getSpectrum(casa::Int whichRow=0) const;
94 virtual std::vector<bool> getMask(casa::Int whichRow=0) const;
95
96 // Get length of STokes spectrum. XX & YY -> I
97 // Anything else the length stays the same.
98 int nStokes() const;
99
100 // Get specific Stokes at cursor location. One of either I,Q,U,V or
101 // I,P,PA,V (doPol=True) (determined by the polSel cursor location
102 // 0->3) If the latter, you can add a PA offset (degrees)
103 virtual std::vector<float> getStokesSpectrum(casa::Int whichRow=0,
104 casa::Bool doPol=casa::False) const;
105
106 // Returns Label for polarization selected by polSel_ (or
107 // over-ridden with arg. polIdx). If doStokes is False, returns
108 // label for raw correlations (linear or circular). If True returns
109 // label for Stokes. If doPol=False, I,Q,U,V else I,P,PA,V
110 std::string getPolarizationLabel(casa::Bool linear, casa::Bool stokes,
111 casa::Bool linPol,
112 casa::Int polIdx=-1) const;
113
114 // Convert Stokes to linear or circular polarizations (specified by
115 // polIdx=0:3). Presently, only conversion to RR or LL is
116 // supported.
117 virtual std::vector<float> stokesToPolSpectrum(casa::Int whichRow,
118 casa::Bool toLinear,
119 casa::Int polIdx) const;
120
121 // Get all Stokes at the specified Beam/IF cursor location (ignoring
122 // the internal cursor). -1 means all on that axis. Really, this function
123 // should not be here, and the SDContainer should hold the stokes spectrum
124 // as well. However, because the Stokes column is virtual, and its shape
125 // is not the same as nPol(), I have put it here for direct access as needed
126 virtual casa::Array<casa::Float> getStokesSpectrum(casa::Int whichRow=0,
127 casa::Int iBeam=-1,
128 casa::Int iIF=-1) const;
129
130 // Get Tsys at cursor location
131 virtual casa::Float getTsys(casa::Int whichRow=0) const;
132
133 // get all as aips++ Vectors
134 virtual void getSpectrum(casa::Vector<casa::Float>& spectrum,
135 casa::Int whichRow=0) const;
136 //virtual void getMask(Vector<Bool>& mask,Int whichRow=0) const;
137
138 // Get rest frequencies
139 std::vector<double> getRestFreqs() const;
140
141 // get info for current row
142 // if whichRow == -1 the Header time is given
143 std::string getTime(casa::Int whichRow=0,
144 casa::Bool showDate=casa::False) const ;
145 casa::MEpoch getEpoch(casa::Int whichRow=0) const;
146 casa::MDirection getDirection(casa::Int whichRow=0,
147 casa::Bool refBeam=casa::False) const;
148
149 std::string getSourceName(casa::Int whichRow=0) const;
150 double getInterval(casa::Int whichRow=0) const;
151
152 virtual void setSpectrum(std::vector<float> spectrum, int whichRow=0);
153 virtual void setCoordInfo(std::vector<string> theinfo);
154
155 // Set RestFreqID. source="" and IF=-1 means select all
156 virtual casa::Bool setRestFreqs(const casa::Vector<casa::Double>& restFreqs,
157 const casa::String& unit,
158 const std::vector<std::string>& lines,
159 const casa::String& source,
160 casa::Int whichIF=-1);
161
162 // List lines
163 void spectralLines() const;
164
165 // Get/Set flux unit
166 std::string getFluxUnit() const;
167 void setFluxUnit (const std::string& unit);
168
169 // Set Instrument
170 void setInstrument (const std::string& instrument);
171
172 // set the current value
173 virtual bool setIF(casa::Int whichIF=0);
174 virtual bool setBeam(casa::Int whichBeam=0);
175 virtual bool setPol(casa::Int whichPol=0);
176
177 // REset cursor to 0
178 virtual void resetCursor();
179
180 //sets the user mask applied to all spectra
181 virtual bool setMask(std::vector<int> whichChans);
182 // Hard flags the current spectrum, not reversible
183 virtual void flag(int whichRow);
184
185 // return the currently selected values
186 virtual casa::Int getIF() const { return IFSel_; }
187 virtual casa::Int getBeam() const { return beamSel_; }
188 virtual casa::Int getPol() const { return polSel_; }
189
190 // returns unit, conversion frame, doppler, base-frame
191 virtual std::vector<std::string> getCoordInfo() const;
192
193 // number of scans in table
194 virtual casa::Int nScan() const;
195
196 // get a summary of the table
197 virtual std::string summary(bool verbose=false) const;
198
199 // get/set the history
200 std::vector<std::string> getHistory() const;
201 void addHistory(const std::string& hist);
202
203 casa::Table getHistoryTable() const;
204 void appendToHistoryTable(const casa::Table& otherHist);
205
206 // write to disk as aips++ table
207 void makePersistent(const std::string& filename);
208
209 // get a new SDMemTable containing all rows with the same give SCANID
210 SDMemTable getScan(casa::Int scanID) const;
211 SDMemTable getSource(const std::string& source) const;
212
213 const casa::TableRecord& getHeader() const {return table_.keywordSet();}
214 // get a handle to the "raw" aips++ table
215 const casa::Table& table() const { return table_; }
216
217 // return the number of values
218 casa::Int nBeam() const;
219 casa::Int nIF() const;
220 casa::Int nPol() const;
221 casa::Int nChan() const;
222
223 // return the number of rows (integrations) in the table
224 casa::Int nRow() const { return table_.nrow(); }
225
226 // return a row as a Masked array, internally converting uChar flags
227 // to bool mask
228 casa::MaskedArray<casa::Float> rowAsMaskedArray(casa::uInt whichRow,
229 casa::Bool toStokes=casa::False) const;
230
231 // Return SC, setting only the basic construction state (i.e.
232 // no conversion or velocity or rest frequency state).
233 // Specify the index of the FreqID you want
234 casa::SpectralCoordinate getSpectralCoordinate(casa::uInt whichIdx) const;
235
236 // Return SC. Set velocity conversion state (unit,doppler), and
237 // rest frequency. If row number given (>=0), also set
238 // frame conversion layer (needs direction & time which require row)
239 casa::SpectralCoordinate getSpectralCoordinate(casa::uInt freqID,
240 casa::uInt restFreqID,
241 casa::uInt row) const;
242
243 // Set just the reference value, pixel and increment into the table
244 // No other state is extracted.
245 casa::Bool setCoordinate(const casa::SpectralCoordinate& speccord,
246 casa::uInt whichIdx);
247
248 casa::Int nCoordinates() const;
249
250 std::vector<double> getAbcissa(int whichRow=0) const;
251 std::string getAbcissaString(casa::Int whichRow=0) const;
252
253// Get global reference types
254 casa::MDirection::Types getDirectionReference() const;
255 casa::MEpoch::Types getTimeReference() const;
256
257// Get global antenna position
258 casa::MPosition getAntennaPosition() const;
259
260 bool putSDFitTable(const SDFitTable& sdft);
261 SDFitTable getSDFitTable() const;
262 SDFitTable getSDFitTable(casa::uInt whichRow) const;
263
264 void addFit(casa::uInt whichRow,
265 const casa::Vector<casa::Double>& p,
266 const casa::Vector<casa::Bool>& m,
267 const casa::Vector<casa::String>& f,
268 const casa::Vector<casa::Int>& c);
269
270
271private:
272 // utility func for nice printout
273 casa::String formatSec(casa::Double x) const;
274 casa::String formatDirection(const casa::MDirection& md) const;
275 std::vector<float> getFloatSpectrum(const casa::Array<casa::Float>& arr) const;
276 void setup();
277 void attach();
278 void renumber();
279
280 // Generate start and end for shape and current cursor selection
281 void getCursorSlice(casa::IPosition& start, casa::IPosition& end,
282 const casa::IPosition& shape) const;
283
284 // the current cursor into the array
285 casa::Int IFSel_,beamSel_,polSel_;
286 std::vector<bool> chanMask_;
287 // the underlying memory table
288 casa::Table table_;
289 // The current table version
290 static const casa::uInt version_ = 1;
291
292 // Cached Columns to avoid reconstructing them for each row get/put
293 casa::ScalarColumn<casa::Double> timeCol_, integrCol_;
294 casa::ScalarColumn<casa::Float> azCol_, elCol_, paraCol_;
295 casa::ScalarColumn<casa::String> srcnCol_, fldnCol_, tcaltCol_;
296 casa::ScalarColumn<casa::Int> scanCol_, rbeamCol_;
297 casa::ArrayColumn<casa::Float> specCol_, tsCol_, tcalCol_;
298 casa::ArrayColumn<casa::Double> dirCol_;
299 casa::ArrayColumn<casa::uChar> flagsCol_;
300 casa::ArrayColumn<casa::uInt> freqidCol_, restfreqidCol_;
301 casa::ArrayColumn<casa::String> histCol_;
302 casa::ArrayColumn<casa::Int> fitCol_;
303 casa::ROArrayColumn<casa::Float> stokesCol_;
304};
305
306}// namespace
307#endif
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