Line data Source code
1 : //# CTPatchedInterp.h: Definition for Calibration patch panel
2 : //# Copyright (C) 1996,1997,1998,1999,2000,2001,2002,2003
3 : //# Associated Universities, Inc. Washington DC, USA.
4 : //#
5 : //# This library is free software; you can redistribute it and/or modify it
6 : //# under the terms of the GNU Library General Public License as published by
7 : //# the Free Software Foundation; either version 2 of the License, or (at your
8 : //# option) any later version.
9 : //#
10 : //# This library is distributed in the hope that it will be useful, but WITHOUT
11 : //# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12 : //# FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public
13 : //# License for more details.
14 : //#
15 : //# You should have received a copy of the GNU Library General Public License
16 : //# along with this library; if not, write to the Free Software Foundation,
17 : //# Inc., 675 Massachusetts Ave, Cambridge, MA 02139, USA.
18 : //#
19 : //# Correspondence concerning AIPS++ should be adressed as follows:
20 : //# Internet email: casa-feedback@nrao.edu.
21 : //# Postal address: AIPS++ Project Office
22 : //# National Radio Astronomy Observatory
23 : //# 520 Edgemont Road
24 : //# Charlottesville, VA 22903-2475 USA
25 : //#
26 : //#
27 :
28 : #ifndef CALTABLES_CTPATCHEDINTERP_H
29 : #define CALTABLES_CTPATCHEDINTERP_H
30 :
31 : #include <synthesis/CalTables/NewCalTable.h>
32 : #include <synthesis/CalTables/CTTimeInterp1.h>
33 : #include <synthesis/CalTables/RIorAParray.h>
34 : #include <synthesis/CalTables/VisCalEnum.h>
35 : #include <casacore/scimath/Mathematics/InterpolateArray1D.h>
36 : #include <casacore/casa/Arrays/Array.h>
37 : #include <casacore/casa/Arrays/Matrix.h>
38 : #include <casacore/casa/Arrays/Cube.h>
39 : #include <casacore/ms/MeasurementSets/MeasurementSet.h>
40 : #include <casacore/ms/MeasurementSets/MSField.h>
41 : #include <casacore/ms/MeasurementSets/MSColumns.h>
42 : #include <casacore/casa/aips.h>
43 :
44 : //#include <casa/BasicSL/Constants.h>
45 : //#include <casa/OS/File.h>
46 : //#include <casa/Logging/LogMessage.h>
47 : //#include <casa/Logging/LogSink.h>
48 :
49 : namespace casa { //# NAMESPACE CASA - BEGIN
50 :
51 : class MSMetaInfoForCal;
52 :
53 : class CTPatchedInterp
54 : {
55 : public:
56 :
57 : //msmetadata(const casacore::MeasurementSet * const & s, const float maxcache);
58 : // From NewCalTable only
59 : CTPatchedInterp(NewCalTable& ct,
60 : VisCalEnum::MatrixType mtype,
61 : casacore::Int nPar,
62 : const casacore::String& timetype,
63 : const casacore::String& freqtype,
64 : const casacore::String& fieldtype,
65 : casacore::Vector<casacore::Int> spwmap=casacore::Vector<casacore::Int>(),
66 : casacore::Vector<casacore::Int> fldmap=casacore::Vector<casacore::Int>(),
67 : const CTTIFactoryPtr cttifactoryptr=&CTTimeInterp1::factory);
68 :
69 : // From NewCalTable and casacore::MS
70 : CTPatchedInterp(NewCalTable& ct,
71 : VisCalEnum::MatrixType mtype,
72 : casacore::Int nPar,
73 : const casacore::String& timetype,
74 : const casacore::String& freqtype,
75 : const casacore::String& fieldtype,
76 : const casacore::MeasurementSet& ms,
77 : const MSMetaInfoForCal& msmc,
78 : casacore::Vector<casacore::Int> spwmap=casacore::Vector<casacore::Int>(),
79 : const CTTIFactoryPtr cttifactoryptr=&CTTimeInterp1::factory);
80 :
81 : // From NewCalTable and casacore::MSColumns
82 : CTPatchedInterp(NewCalTable& ct,
83 : VisCalEnum::MatrixType mtype,
84 : casacore::Int nPar,
85 : const casacore::String& timetype,
86 : const casacore::String& freqtype,
87 : const casacore::String& fieldtype,
88 : const casacore::MSColumns& mscol,
89 : casacore::Vector<casacore::Int> spwmap=casacore::Vector<casacore::Int>(),
90 : const CTTIFactoryPtr cttifactoryptr=&CTTimeInterp1::factory);
91 :
92 : // From NewCalTable and casacore::MS without metadata
93 : CTPatchedInterp(NewCalTable& ct,
94 : VisCalEnum::MatrixType mtype,
95 : casacore::Int nPar,
96 : const casacore::String& timetype,
97 : const casacore::String& freqtype,
98 : const casacore::String& fieldtype,
99 : const casacore::MeasurementSet& ms,
100 : casacore::Vector<casacore::Int> spwmap=casacore::Vector<casacore::Int>(),
101 : const CTTIFactoryPtr cttifactoryptr=&CTTimeInterp1::factory);
102 :
103 :
104 : // Destructor
105 : virtual ~CTPatchedInterp();
106 :
107 : // Interpolate, given input field, spw, timestamp, & (optionally) freq list
108 : // returns T if new result (anywhere)
109 : casacore::Bool interpolate(casacore::Int obs, casacore::Int scan, casacore::Int fld, casacore::Int spw, casacore::Double time, casacore::Double freq=-1.0);
110 : casacore::Bool interpolate(casacore::Int obs, casacore::Int scan, casacore::Int fld, casacore::Int spw, casacore::Double time, const casacore::Vector<casacore::Double>& freq);
111 :
112 : // Access to the result
113 0 : casacore::Array<casacore::Float>& resultF(casacore::Int obs, casacore::Int scan, casacore::Int fld, casacore::Int spw) { return result_(spw,fld,thisTimeSeg(obs,scan)); };
114 0 : casacore::Array<casacore::Complex> resultC(casacore::Int obs, casacore::Int scan, casacore::Int fld, casacore::Int spw) { return RIorAPArray(result_(spw,fld,thisTimeSeg(obs,scan))).c(); };
115 0 : casacore::Array<casacore::Bool>& rflag(casacore::Int obs, casacore::Int scan, casacore::Int fld, casacore::Int spw) { return resFlag_(spw,fld,thisTimeSeg(obs,scan)); };
116 :
117 : // Temporary public function for testing
118 0 : casacore::Array<casacore::Float>& tresultF(casacore::Int obs, casacore::Int scan, casacore::Int fld, casacore::Int spw) { return timeResult_(spw,fld,thisTimeSeg(obs,scan)); };
119 0 : casacore::Array<casacore::Bool>& tresultFlag(casacore::Int obs, casacore::Int scan, casacore::Int fld, casacore::Int spw) { return timeResFlag_(spw,fld,thisTimeSeg(obs,scan)); };
120 :
121 : // spwOK info for users
122 : casacore::Bool spwOK(casacore::Int spw) const;
123 : casacore::Bool spwInOK(casacore::Int spw) const;
124 :
125 : // Const access to various state
126 : // TBD
127 :
128 : // Report state
129 : void state();
130 :
131 : // Access to the MSMetaInfoForCal (throws if none)
132 : const MSMetaInfoForCal& msmc() const
133 : {
134 : if (msmc_) return *msmc_;
135 : else throw(casacore::AipsError("VisCal::msmc(): No MSMetaInfoForCal object!"));
136 : };
137 :
138 : private:
139 :
140 : // Null ctor does nothing
141 : CTPatchedInterp() :
142 : mtype_(VisCalEnum::GLOBAL),
143 : freqInterpMethod0_(casacore::InterpolateArray1D<casacore::Double,casacore::Float>::nearestNeighbour) {};
144 :
145 : // Setup methods
146 : void sliceTable();
147 : void makeInterpolators();
148 :
149 0 : casacore::Int thisTimeSeg(casacore::Int obs, casacore::Int scan) { return (byScan_?scan:byObs_?obs:0); };
150 :
151 : // Methods to set up 1:1 patch-panel maps
152 : // Private for now as not yet ready to control from outside
153 : // Field
154 : // default: all 0 (no field-dep yet)
155 0 : void setDefFldMap() {fldMap_.resize(nMSFld_); fldMap_.set(0);};
156 : void setFldMap(const casacore::MSField& msfld); // via nearest on-sky
157 : void setFldMap(const casacore::MSFieldColumns& fcol); // via nearest on-sky
158 : void setFldMap(casacore::Vector<casacore::Int>& fldmap); // via ordered index list
159 : //void setFldMap(casacore::Vector<casacore::String>& field); // via name matching
160 : //void setFldMap(casacore::uInt to, casacore::uInt from); // via single to/from
161 :
162 : // Calculate fldmap redundancy, enabling reuse
163 : void calcAltFld();
164 :
165 : // Spw
166 : // default: indgen (index identity)
167 0 : void setDefSpwMap() {spwMap_.resize(nMSSpw_); indgen(spwMap_);};
168 : void setSpwMap(casacore::Vector<casacore::Int>& spwmap);
169 : //void setSpwMap(casacore::Vector<casacore::Double>& refFreqs); // via refFreq matching
170 : //void setSpwMap(casacore::uInt to, casacore::uInt from); // via single to/from
171 :
172 : // Antenna
173 : // default: indgen (index identity)
174 0 : void setDefAntMap() {antMap_.resize(nMSAnt_); indgen(antMap_);};
175 : //void setAntMap(casacore::Vector<casacore::Int>& ant); // via ordered index list
176 : //void setAntMap(casacore::Vector<casacore::String>& ant); // via name/station matching
177 : //void setAntMap(casacore::uInt to, casacore::uInt from); // via single to/from
178 :
179 : // Set generic antenna/baseline map
180 : void setElemMap();
181 :
182 : // Resample in frequency
183 : void resampleInFreq(casacore::Matrix<casacore::Float>& fres,casacore::Matrix<casacore::Bool>& fflg,const casacore::Vector<casacore::Double>& fout,
184 : casacore::Matrix<casacore::Float>& tres,casacore::Matrix<casacore::Bool>& tflg,const casacore::Vector<casacore::Double>& fin);
185 : void resampleFlagsInFreq(casacore::Vector<casacore::Bool>& flgout,const casacore::Vector<casacore::Double>& fout,
186 : casacore::Vector<casacore::Bool>& flgin,const casacore::Vector<casacore::Double>& fin);
187 :
188 : // Baseline index from antenna indices: (assumes a1<=a2 !!)
189 0 : inline casacore::Int blnidx(const casacore::Int& a1, const casacore::Int& a2, const casacore::Int& nAnt) { return a1*nAnt-a1*(a1+1)/2+a2; };
190 :
191 : // Translate freq axis interpolation string
192 : casacore::InterpolateArray1D<casacore::Double,casacore::Float>::InterpolationMethod ftype(casacore::String& strtype);
193 :
194 :
195 : // PRIVATE DATA:
196 :
197 : // The Caltable
198 : NewCalTable ct_;
199 :
200 : // The caltable's name (for forming log messages)
201 : casacore::String ctname_;
202 :
203 : // The MSMetaInfoForCal pointer
204 : const MSMetaInfoForCal* msmc_;
205 :
206 : // casacore::Matrix type
207 : VisCalEnum::MatrixType mtype_;
208 :
209 : // Are parameters fundamentally complex?
210 : casacore::Bool isCmplx_;
211 :
212 : // The number of (casacore::Float) parameters (per-chan, per-element)
213 : casacore::Int nPar_, nFPar_;
214 :
215 : // Interpolation modes
216 : casacore::String timeType_, freqTypeStr_;
217 :
218 : // Relative-to-center interpolation
219 : casacore::Bool relativeFreq_;
220 :
221 : // Freq-dep interpolation method (from InterpolateArray1D enum)
222 : #define INTERPMETHOD casacore::InterpolateArray1D<casacore::Double,casacore::Float>::InterpolationMethod
223 : const INTERPMETHOD freqInterpMethod0_; // user-specified
224 : INTERPMETHOD freqInterpMethod_; // current
225 : casacore::Vector<INTERPMETHOD> freqInterpMethodVec_; // per ms spw
226 :
227 : // Are we slicing caltable by field?
228 : casacore::Bool byObs_,byScan_,byField_;
229 :
230 : // CalTable freq axis info
231 : casacore::Vector<casacore::Int> nChanIn_;
232 : casacore::Vector<casacore::Vector<casacore::Double> > freqIn_;
233 :
234 :
235 : // Obs, Field, Spw, Ant _output_ (casacore::MS) sizes
236 : // calibration required for up to this many
237 : casacore::Int nMSTimeSeg_, nMSFld_, nMSSpw_, nMSAnt_, nMSElem_;
238 :
239 : // Alternate field indices
240 : casacore::Vector<casacore::Int> altFld_;
241 :
242 : // Obs, Field, Spw, Ant _input_ (CalTable) sizes
243 : // patch panels should not violate these (point to larger indices)
244 : casacore::Int nCTTimeSeg_, nCTFld_, nCTSpw_, nCTAnt_, nCTElem_;
245 :
246 : // OK flag
247 : casacore::Vector<casacore::Bool> spwInOK_;
248 :
249 : // The patch panels
250 : // Each has length from casacore::MS, values refer to CT
251 : casacore::Vector<casacore::Int> fldMap_, spwMap_, antMap_, elemMap_;
252 :
253 : // Control conjugation of baseline-based solutions when mapping requires
254 : casacore::Vector<casacore::Bool> conjTab_;
255 :
256 : // Internal result Arrays
257 : casacore::Cube<casacore::Cube<casacore::Float> > timeResult_,freqResult_; // [nMSSpw_,nMSFld_,nMSTimeSeg_][nFpar,nChan,nAnt]
258 : casacore::Cube<casacore::Cube<casacore::Bool> > timeResFlag_,freqResFlag_; // [nMSSpw_,nMSFld_,nMSTimeSeg_][nFpar,nChan,nAnt]
259 :
260 : // Current interpolation result Arrays
261 : // These will reference time or freq result, depending on context,
262 : // and may be referenced by external code
263 : casacore::Cube<casacore::Cube<casacore::Float> > result_; // [nMSSpw_,nMSFld_,nMSTimeSeg_][nFpar,nChan,nAnt]
264 : casacore::Cube<casacore::Cube<casacore::Bool> > resFlag_; // [nMSSpw_,nMSFld_,nMSTimeSeg_][nFpar,nChan,nAnt]
265 :
266 : // The CalTable slices
267 : casacore::Array<NewCalTable*> ctSlices_; // [nCTElem_,nCTSpw_,nCTFld_,nCTObs_]
268 :
269 : // The pre-patched casacore::Time interpolation engines
270 : // These are populated by the available caltables slices
271 : casacore::Array<CTTimeInterp1*> tI_; // [nMSElem_,nMSSpw_,nMSFld_,nMSTimeSeg_]
272 : casacore::Array<casacore::Bool> tIdel_; // [nMSElem_,nMSSpw_,nMSFld_,nMSTimeSeg_]
273 : casacore::Array<casacore::Bool> tIMissingLogged_; // [nMSElem_,nMSSpw_,nMSFld_,nMSTimeSeg_]
274 :
275 : casacore::Vector<casacore::Int> lastFld_,lastObs_,lastScan_;
276 :
277 : // Pointer to the factory to use to create CTTimeInterp1s (or specializations)
278 : CTTIFactoryPtr cttifactoryptr_;
279 :
280 : };
281 :
282 :
283 : } //# NAMESPACE CASA - END
284 :
285 : #endif
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