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1 : //# XJones.h: Cross-hand phase calibration
2 : //# Copyright (C) 1996,1997,2000,2001,2002,2003,2011
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: aips2-request@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 SYNTHESIS_XJONES_H
29 : #define SYNTHESIS_XJONES_H
30 :
31 : #include <casacore/casa/aips.h>
32 : #include <casacore/casa/Containers/Record.h>
33 : #include <casacore/casa/BasicSL/Complex.h>
34 : #include <synthesis/MeasurementComponents/VisCal.h>
35 : #include <synthesis/MeasurementComponents/SolvableVisCal.h>
36 : #include <synthesis/MeasurementComponents/StandardVisCal.h>
37 : #include <synthesis/MeasurementComponents/SolveDataBuffer.h>
38 : #include <synthesis/MeasurementComponents/CalCorruptor.h>
39 :
40 : namespace casa { //# NAMESPACE CASA - BEGIN
41 :
42 : // Forward declarations
43 : class VisEquation;
44 :
45 : // **********************************************************
46 : // X: position angle calibration (for circulars!)
47 : // (rendered as a Mueller for now)
48 :
49 : class XMueller : public SolvableVisMueller {
50 : public:
51 :
52 : // Constructor
53 : XMueller(VisSet& vs);
54 : XMueller(casacore::String msname,casacore::Int MSnAnt,casacore::Int MSnSpw);
55 : XMueller(const MSMetaInfoForCal& msmc);
56 : XMueller(const casacore::Int& nAnt);
57 :
58 : virtual ~XMueller();
59 :
60 : // Return the type enum
61 0 : virtual Type type() { return VisCal::X; };
62 :
63 : // Return type name as string
64 0 : virtual casacore::String typeName() { return "X Mueller"; };
65 0 : virtual casacore::String longTypeName() { return "X Mueller (baseline-based)"; };
66 :
67 : // Type of Jones matrix according to nPar()
68 0 : virtual Mueller::MuellerType muellerType() { return Mueller::Diagonal; };
69 :
70 : // Local setApply
71 : using SolvableVisCal::setApply;
72 : virtual void setApply(const casacore::Record& apply);
73 :
74 : // Local setSolve
75 : using SolvableVisCal::setSolve;
76 : void setSolve(const casacore::Record& solvepar);
77 :
78 : // Turn off normalization by model....
79 0 : virtual casacore::Bool normalizable() { return false; };
80 :
81 : // X gathers/solves for itself
82 0 : virtual casacore::Bool useGenericGatherForSolve() { return false; };
83 :
84 : // X gathers/solves for itself
85 0 : virtual void selfGatherAndSolve(VisSet& vs, VisEquation& ve) { newselfSolve(vs,ve); };
86 : virtual void newselfSolve(VisSet& vs, VisEquation& ve); // new supports combine
87 :
88 :
89 : protected:
90 :
91 : // X has just 1 complex parameter, storing a phase
92 0 : virtual casacore::Int nPar() { return 1; };
93 :
94 : // Jones matrix elements are trivial
95 0 : virtual casacore::Bool trivialMuellerElem() { return false; };
96 :
97 : // Calculate the X matrix for all ants
98 : virtual void calcAllMueller();
99 :
100 : // Solve in one VB for the position angle
101 : virtual void solveOneVB(const VisBuffer& vb);
102 :
103 : private:
104 :
105 : // <nothing>
106 :
107 : };
108 :
109 :
110 :
111 : // **********************************************************
112 : // X: Cross-hand phase (generic)
113 : //
114 : class XJones : public SolvableVisJones {
115 : public:
116 :
117 : // Constructor
118 : XJones(VisSet& vs);
119 : XJones(casacore::String msname,casacore::Int MSnAnt,casacore::Int MSnSpw);
120 : XJones(const MSMetaInfoForCal& msmc);
121 : XJones(const casacore::Int& nAnt);
122 :
123 :
124 : virtual ~XJones();
125 :
126 : // Return the type enum
127 0 : virtual Type type() { return VisCal::X; };
128 :
129 : // Return type name as string
130 0 : virtual casacore::String typeName() { return "X Jones"; };
131 0 : virtual casacore::String longTypeName() { return "X Jones (antenna-based)"; };
132 :
133 : // Type of Jones matrix according to nPar()
134 0 : virtual Jones::JonesType jonesType() { return Jones::Diagonal; };
135 :
136 : // Local setApply
137 : using SolvableVisCal::setApply;
138 : virtual void setApply(const casacore::Record& apply);
139 :
140 : // Local setSolve
141 : using SolvableVisCal::setSolve;
142 : void setSolve(const casacore::Record& solvepar);
143 :
144 : // X is normalizable by the model
145 0 : virtual casacore::Bool normalizable() { return true; };
146 :
147 : // X generically gathers, but solves for itself per solution
148 0 : virtual casacore::Bool useGenericGatherForSolve() { return true; };
149 0 : virtual casacore::Bool useGenericSolveOne() { return false; }
150 :
151 : // X gathers/solves for itself
152 0 : virtual void selfGatherAndSolve(VisSet& vs, VisEquation& ve) { newselfSolve(vs,ve); };
153 : virtual void newselfSolve(VisSet& vs, VisEquation& ve); // new supports combine
154 :
155 : // When genericall gathering, solve using first VB only in VBGA
156 0 : virtual void selfSolveOne(VisBuffGroupAcc& vbga) { this->solveOneVB(vbga(0)); };
157 0 : virtual void selfSolveOne(SDBList& sdbs) { this->solveOne(sdbs); };
158 :
159 :
160 : protected:
161 :
162 : // X has just 1 complex parameter, storing a phase
163 0 : virtual casacore::Int nPar() { return 1; };
164 :
165 : // Jones matrix elements are trivial
166 0 : virtual casacore::Bool trivialJonesElem() { return false; };
167 :
168 : // Calculate the X matrix for all ants
169 : virtual void calcAllJones();
170 :
171 : // Solve in one VB for the position angle
172 : virtual void solveOneVB(const VisBuffer& vb);
173 : virtual void solveOneSDB(SolveDataBuffer& sdb);
174 :
175 : virtual void solveOne(SDBList& sdbs);
176 :
177 : private:
178 :
179 : // <nothing>
180 :
181 : };
182 :
183 :
184 : // **********************************************************
185 : // Xf: position angle calibration (for circulars!)
186 : // (channel-dependent)
187 : class XfJones : public XJones {
188 : public:
189 :
190 : // Constructor
191 : XfJones(VisSet& vs);
192 : XfJones(casacore::String msname,casacore::Int MSnAnt,casacore::Int MSnSpw);
193 : XfJones(const MSMetaInfoForCal& msmc);
194 : XfJones(const casacore::Int& nAnt);
195 :
196 : virtual ~XfJones();
197 :
198 : // Return the type enum
199 0 : virtual Type type() { return VisCal::X; };
200 :
201 : // Return type name as string
202 0 : virtual casacore::String typeName() { return "Xf Jones"; };
203 0 : virtual casacore::String longTypeName() { return "Xf Jones (antenna-based)"; };
204 :
205 : // This is the freq-dep version of X
206 : // (this is the ONLY fundamental difference from X)
207 0 : virtual casacore::Bool freqDepPar() { return true; };
208 :
209 : protected:
210 :
211 : // Use nchan>=1 shaping
212 : // (TBD: this should be generalized!)
213 : void initSolvePar();
214 :
215 :
216 : };
217 :
218 :
219 : // Cross-hand phase solved from data with parang coverage
220 : class XparangJones : public XJones {
221 : public:
222 :
223 : // Constructor
224 : XparangJones(VisSet& vs);
225 : XparangJones(casacore::String msname,casacore::Int MSnAnt,casacore::Int MSnSpw);
226 : XparangJones(const MSMetaInfoForCal& msmc);
227 : XparangJones(const casacore::Int& nAnt);
228 :
229 : virtual ~XparangJones();
230 :
231 : // Return the type enum (position UPSTREAM of D, not downstream like G)
232 0 : virtual Type type() { return VisCal::X; };
233 :
234 : // Return type name as string
235 0 : virtual casacore::String typeName() { return "Xparang Jones"; };
236 0 : virtual casacore::String longTypeName() { return "Xparang Jones (parang-dep X)"; };
237 :
238 : // Local setapply (unsets calWt)
239 : using SolvableVisJones::setApply;
240 : virtual void setApply(const casacore::Record& apply);
241 :
242 : // NOT FreqDep
243 0 : virtual casacore::Bool freqDepPar() { return false; };
244 :
245 : // Requires cross-hands!
246 0 : virtual casacore::Bool phandonly() { return false; };
247 :
248 : // XparangJones specialization
249 0 : virtual casacore::Bool useGenericGatherForSolve() { return true; };
250 0 : virtual casacore::Bool useGenericSolveOne() { return false; }
251 :
252 : virtual void selfGatherAndSolve(VisSet& vs, VisEquation& ve);
253 :
254 : // Handle trivial vbga generated by generic gather-for-solve
255 : virtual void selfSolveOne(VisBuffGroupAcc& vbga);
256 : virtual void selfSolveOne(SDBList& sdbs);
257 :
258 : // Write QU info into table keywords
259 : virtual void globalPostSolveTinker();
260 :
261 : // Override for returning Q,U info via Record
262 : virtual casacore::Record solveActionRec();
263 :
264 : // Overide model division stuff...
265 0 : virtual casacore::Bool normalizable() { return false; };
266 0 : virtual casacore::Bool divideByStokesIModelForSolve() { return true; };
267 :
268 : protected:
269 :
270 : // X has just 1 complex parameter, storing a phase
271 0 : virtual casacore::Int nPar() { return 1; };
272 :
273 : // Solver for one VB, that collapses baselines and cross-hands first,
274 : // then solves for XY-phase and QU
275 : virtual void solveOneVB(const VisBuffer& vb);
276 : virtual void solveOne(SDBList& sdbs);
277 :
278 : // Derived QU_ info
279 : casacore::Matrix<casacore::Float> QU_;
280 :
281 : // Activity record
282 : casacore::Record QURec_;
283 :
284 : };
285 :
286 :
287 :
288 : // Freq-dep cross-hand phase
289 : class XfparangJones : public XparangJones {
290 : public:
291 :
292 : // Constructor
293 : XfparangJones(VisSet& vs);
294 : XfparangJones(casacore::String msname,casacore::Int MSnAnt,casacore::Int MSnSpw);
295 : XfparangJones(const MSMetaInfoForCal& msmc);
296 : XfparangJones(const casacore::Int& nAnt);
297 :
298 :
299 : virtual ~XfparangJones();
300 : // Return type name as string
301 : // Return type name as string
302 0 : virtual casacore::String typeName() { return "Xfparang Jones"; };
303 0 : virtual casacore::String longTypeName() { return "Xfparang Jones (X-Y phase)"; };
304 :
305 : // This is the freq-dep version of XparangJones
306 : // (this is the ONLY fundamental difference from XparangJones)
307 0 : virtual casacore::Bool freqDepPar() { return true; };
308 :
309 :
310 : };
311 :
312 :
313 : // **********************************************************
314 : // PosAng: Basis-agnostic position angle
315 : //
316 : class PosAngJones : public XJones {
317 : public:
318 :
319 : // Constructor
320 : PosAngJones(VisSet& vs);
321 : PosAngJones(casacore::String msname,casacore::Int MSnAnt,casacore::Int MSnSpw);
322 : PosAngJones(const MSMetaInfoForCal& msmc);
323 : PosAngJones(const casacore::Int& nAnt);
324 :
325 : virtual ~PosAngJones();
326 :
327 : // PosAng had casacore::Float parameter
328 0 : virtual VisCalEnum::VCParType parType() { return VisCalEnum::REAL; };
329 :
330 : // Return the type enum (this is its position in the ME)
331 0 : virtual Type type() { return VisCal::C; };
332 :
333 : // Return type name as string
334 0 : virtual casacore::String typeName() { return "PosAng Jones"; };
335 0 : virtual casacore::String longTypeName() { return "PosAng Jones (antenna-based)"; };
336 :
337 : // Type of Jones matrix (basis-sensitive)
338 0 : virtual Jones::JonesType jonesType() { return jonestype_; };
339 :
340 : // FreqDep
341 0 : virtual casacore::Bool freqDepPar() { return true; };
342 :
343 : // Local setApply
344 : using XJones::setApply;
345 : virtual void setApply(const casacore::Record& apply);
346 :
347 : // Local setSolve
348 : using XJones::setSolve;
349 : void setSolve(const casacore::Record& solvepar);
350 :
351 : // PosAng is NOT normalizable by the model (per correlation)
352 0 : virtual casacore::Bool normalizable() { return false; };
353 : // ...but we can divide by the I model!
354 0 : virtual casacore::Bool divideByStokesIModelForSolve() { return true; };
355 :
356 : // X generically gathers, but solves for itself per solution
357 0 : virtual casacore::Bool useGenericGatherForSolve() { return true; };
358 0 : virtual casacore::Bool useGenericSolveOne() { return false; }
359 :
360 : // Actually do the solve on ths SDBs
361 0 : virtual void selfSolveOne(SDBList& sdbs) { this->solveOne(sdbs); };
362 :
363 :
364 : protected:
365 :
366 : // PosAng has just 1 float parameter, storing an angle
367 0 : virtual casacore::Int nPar() { return 1; };
368 :
369 : // Jones matrix elements are NOT trivial
370 0 : virtual casacore::Bool trivialJonesElem() { return false; };
371 :
372 : // Detect basis for this vb
373 : virtual void syncMeta(const VisBuffer& vb);
374 : virtual void syncMeta2(const vi::VisBuffer2& vb);
375 :
376 : // Calculate the PosAng matrix for all ants
377 : // Don't use XJones::calcAllJones!!
378 : virtual void calcAllJones(); // { VisJones::calcAllJones(); };
379 :
380 : // Calculate a single PosAngJones matrix
381 : virtual void calcOneJonesRPar(casacore::Vector<casacore::Complex>& mat, casacore::Vector<casacore::Bool>& mOk,
382 : const casacore::Vector<casacore::Float>& par, const casacore::Vector<casacore::Bool>& pOk );
383 :
384 : virtual void solveOne(SDBList& sdbs);
385 :
386 : private:
387 :
388 : // X gathers/solves for itself
389 0 : virtual void selfGatherAndSolve(VisSet& vs, VisEquation& ve) { newselfSolve(vs,ve); };
390 0 : virtual void newselfSolve(VisSet& , VisEquation& ) { throw(casacore::AipsError("PosAngJones::newselfsolve(vs,ve) NYI")); }; // new supports combine
391 :
392 : // When genericall gathering, solve using first VB only in VBGA
393 0 : virtual void selfSolveOne(VisBuffGroupAcc& vbga) { this->solveOneVB(vbga(0)); };
394 :
395 : // Solve in one VB for the position angle
396 0 : virtual void solveOneVB(const VisBuffer& ) { throw(casacore::AipsError("PosAngJones::solveOneVB(vb) NYI")); };
397 0 : virtual void solveOneSDB(SolveDataBuffer& ) { throw(casacore::AipsError("PosAngJones::solveOneSDB(sdb) NYI")); };
398 :
399 : // We sense basis in setMeta, and this sets the matrix type
400 : Jones::JonesType jonestype_;
401 :
402 : };
403 :
404 :
405 :
406 :
407 :
408 :
409 :
410 :
411 :
412 : // X-Y phase for ALMA -- ORIGINAL ad hoc version as GJones specialization, but in Xf position
413 : class GlinXphJones : public GJones {
414 : public:
415 :
416 : // Constructor
417 : GlinXphJones(VisSet& vs);
418 : GlinXphJones(casacore::String msname,casacore::Int MSnAnt,casacore::Int MSnSpw);
419 : GlinXphJones(const MSMetaInfoForCal& msmc);
420 : GlinXphJones(const casacore::Int& nAnt);
421 :
422 : virtual ~GlinXphJones();
423 :
424 : // Return the type enum (position UPSTREAM of D, not downstream like G)
425 0 : virtual Type type() { return VisCal::X; };
426 :
427 : // Return type name as string
428 0 : virtual casacore::String typeName() { return "GlinXph Jones"; };
429 0 : virtual casacore::String longTypeName() { return "GlinXph Jones (X-Y phase)"; };
430 :
431 : // Local setapply (unsets calWt)
432 : using SolvableVisJones::setApply;
433 : virtual void setApply(const casacore::Record& apply);
434 :
435 : // NOT FreqDep
436 0 : virtual casacore::Bool freqDepPar() { return false; };
437 :
438 : // Though derived from GJones, this type actually uses the cross-hands
439 0 : virtual casacore::Bool phandonly() { return false; };
440 :
441 : // GlinXphJones specialization
442 0 : virtual casacore::Bool useGenericGatherForSolve() { return true; };
443 0 : virtual casacore::Bool useGenericSolveOne() { return false; }
444 :
445 : virtual void selfGatherAndSolve(VisSet& vs, VisEquation& ve);
446 :
447 : // Handle trivial vbga generated by generic gather-for-solve
448 : virtual void selfSolveOne(VisBuffGroupAcc& vbga);
449 : virtual void selfSolveOne(SDBList& sdbs);
450 :
451 : protected:
452 :
453 :
454 : // Solver for one VB, that collapses baselines and cross-hands first,
455 : // then solves for XY-phase and QU
456 : virtual void solveOneVB(const VisBuffer& vb);
457 : virtual void solveOne(SDBList& sdbs);
458 :
459 : // Write QU info into table keywords
460 : virtual void globalPostSolveTinker();
461 :
462 : // Derived QU_ info
463 : casacore::Matrix<casacore::Float> QU_;
464 :
465 :
466 : };
467 :
468 :
469 : // Freq-dep XY-phase
470 : class GlinXphfJones : public GlinXphJones {
471 : public:
472 :
473 : // Constructor
474 : GlinXphfJones(VisSet& vs);
475 : GlinXphfJones(casacore::String msname,casacore::Int MSnAnt,casacore::Int MSnSpw);
476 : GlinXphfJones(const MSMetaInfoForCal& msmc);
477 : GlinXphfJones(const casacore::Int& nAnt);
478 :
479 :
480 : virtual ~GlinXphfJones();
481 : // Return type name as string
482 : // Return type name as string
483 0 : virtual casacore::String typeName() { return "GlinXphf Jones"; };
484 0 : virtual casacore::String longTypeName() { return "GlinXphf Jones (X-Y phase)"; };
485 :
486 : // This is the freq-dep version of GlinXphJones
487 : // (this is the ONLY fundamental difference from GlinXphJones)
488 0 : virtual casacore::Bool freqDepPar() { return true; };
489 :
490 :
491 : };
492 :
493 :
494 :
495 :
496 : } //# NAMESPACE CASA - END
497 :
498 : #endif
499 :
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