source: trunk/src/SDMemTable.cc@ 351

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1//#---------------------------------------------------------------------------
2//# SDMemTable.cc: 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
32#include <map>
33
34#include <casa/aips.h>
35#include <casa/iostream.h>
36#include <casa/iomanip.h>
37#include <casa/Arrays/Array.h>
38#include <casa/Arrays/ArrayMath.h>
39#include <casa/Arrays/MaskArrMath.h>
40#include <casa/Arrays/ArrayLogical.h>
41#include <casa/Arrays/ArrayAccessor.h>
42#include <casa/Arrays/Vector.h>
43#include <casa/Quanta/MVAngle.h>
44
45#include <tables/Tables/TableParse.h>
46#include <tables/Tables/TableDesc.h>
47#include <tables/Tables/SetupNewTab.h>
48#include <tables/Tables/ScaColDesc.h>
49#include <tables/Tables/ArrColDesc.h>
50
51#include <tables/Tables/ExprNode.h>
52#include <tables/Tables/TableRecord.h>
53#include <measures/Measures/MFrequency.h>
54#include <measures/Measures/MeasTable.h>
55#include <coordinates/Coordinates/CoordinateUtil.h>
56#include <casa/Quanta/MVTime.h>
57#include <casa/Quanta/MVAngle.h>
58
59#include "SDDefs.h"
60#include "SDMemTable.h"
61#include "SDContainer.h"
62
63
64using namespace casa;
65using namespace asap;
66
67SDMemTable::SDMemTable() :
68 IFSel_(0),
69 beamSel_(0),
70 polSel_(0)
71{
72 setup();
73 attach();
74}
75
76SDMemTable::SDMemTable(const std::string& name) :
77 IFSel_(0),
78 beamSel_(0),
79 polSel_(0)
80{
81 Table tab(name);
82 table_ = tab.copyToMemoryTable("dummy");
83 //cerr << "hello from C SDMemTable @ " << this << endl;
84 attach();
85}
86
87SDMemTable::SDMemTable(const SDMemTable& other, Bool clear)
88{
89 IFSel_= other.IFSel_;
90 beamSel_= other.beamSel_;
91 polSel_= other.polSel_;
92 chanMask_ = other.chanMask_;
93 table_ = other.table_.copyToMemoryTable(String("dummy"));
94 // clear all rows()
95 if (clear) {
96 table_.removeRow(this->table_.rowNumbers());
97 } else {
98 IFSel_ = other.IFSel_;
99 beamSel_ = other.beamSel_;
100 polSel_ = other.polSel_;
101 }
102//
103 attach();
104 //cerr << "hello from CC SDMemTable @ " << this << endl;
105}
106
107SDMemTable::SDMemTable(const Table& tab, const std::string& exprs) :
108 IFSel_(0),
109 beamSel_(0),
110 polSel_(0)
111{
112 Table t = tableCommand(exprs,tab);
113 if (t.nrow() == 0)
114 throw(AipsError("Query unsuccessful."));
115 table_ = t.copyToMemoryTable("dummy");
116 attach();
117}
118
119SDMemTable::~SDMemTable()
120{
121 //cerr << "goodbye from SDMemTable @ " << this << endl;
122}
123
124SDMemTable SDMemTable::getScan(Int scanID) const
125{
126 String cond("SELECT * from $1 WHERE SCANID == ");
127 cond += String::toString(scanID);
128 return SDMemTable(table_, cond);
129}
130
131SDMemTable &SDMemTable::operator=(const SDMemTable& other)
132{
133 if (this != &other) {
134 IFSel_= other.IFSel_;
135 beamSel_= other.beamSel_;
136 polSel_= other.polSel_;
137 chanMask_.resize(0);
138 chanMask_ = other.chanMask_;
139 table_ = other.table_.copyToMemoryTable(String("dummy"));
140 attach();
141 }
142 //cerr << "hello from ASS SDMemTable @ " << this << endl;
143 return *this;
144}
145
146SDMemTable SDMemTable::getSource(const std::string& source) const
147{
148 String cond("SELECT * from $1 WHERE SRCNAME == ");
149 cond += source;
150 return SDMemTable(table_, cond);
151}
152
153void SDMemTable::setup()
154{
155 TableDesc td("", "1", TableDesc::Scratch);
156 td.comment() = "A SDMemTable";
157//
158 td.addColumn(ScalarColumnDesc<Double>("TIME"));
159 td.addColumn(ScalarColumnDesc<String>("SRCNAME"));
160 td.addColumn(ArrayColumnDesc<Float>("SPECTRA"));
161 td.addColumn(ArrayColumnDesc<uChar>("FLAGTRA"));
162 td.addColumn(ArrayColumnDesc<Float>("TSYS"));
163 td.addColumn(ScalarColumnDesc<Int>("SCANID"));
164 td.addColumn(ScalarColumnDesc<Double>("INTERVAL"));
165 td.addColumn(ArrayColumnDesc<uInt>("FREQID"));
166 td.addColumn(ArrayColumnDesc<Double>("DIRECTION"));
167 td.addColumn(ScalarColumnDesc<String>("FIELDNAME"));
168 td.addColumn(ScalarColumnDesc<String>("TCALTIME"));
169 td.addColumn(ArrayColumnDesc<Float>("TCAL"));
170 td.addColumn(ScalarColumnDesc<Float>("AZIMUTH"));
171 td.addColumn(ScalarColumnDesc<Float>("ELEVATION"));
172 td.addColumn(ScalarColumnDesc<Float>("PARANGLE"));
173 td.addColumn(ScalarColumnDesc<Int>("REFBEAM"));
174 td.addColumn(ArrayColumnDesc<String>("HISTORY"));
175
176 // Now create a new table from the description.
177
178 SetupNewTable aNewTab("dummy", td, Table::New);
179 table_ = Table(aNewTab, Table::Memory, 0);
180}
181
182void SDMemTable::attach ()
183{
184 timeCol_.attach(table_, "TIME");
185 srcnCol_.attach(table_, "SRCNAME");
186 specCol_.attach(table_, "SPECTRA");
187 flagsCol_.attach(table_, "FLAGTRA");
188 tsCol_.attach(table_, "TSYS");
189 scanCol_.attach(table_, "SCANID");
190 integrCol_.attach(table_, "INTERVAL");
191 freqidCol_.attach(table_, "FREQID");
192 dirCol_.attach(table_, "DIRECTION");
193 fldnCol_.attach(table_, "FIELDNAME");
194 tcaltCol_.attach(table_, "TCALTIME");
195 tcalCol_.attach(table_, "TCAL");
196 azCol_.attach(table_, "AZIMUTH");
197 elCol_.attach(table_, "ELEVATION");
198 paraCol_.attach(table_, "PARANGLE");
199 rbeamCol_.attach(table_, "REFBEAM");
200 histCol_.attach(table_, "HISTORY");
201}
202
203
204std::string SDMemTable::getSourceName(Int whichRow) const
205{
206 String name;
207 srcnCol_.get(whichRow, name);
208 return name;
209}
210
211std::string SDMemTable::getTime(Int whichRow, Bool showDate) const
212{
213 Double tm;
214 if (whichRow > -1) {
215 timeCol_.get(whichRow, tm);
216 } else {
217 table_.keywordSet().get("UTC",tm);
218 }
219 MVTime mvt(tm);
220 if (showDate)
221 mvt.setFormat(MVTime::YMD);
222 else
223 mvt.setFormat(MVTime::TIME);
224 ostringstream oss;
225 oss << mvt;
226 return String(oss);
227}
228
229double SDMemTable::getInterval(Int whichRow) const
230{
231 Double intval;
232 integrCol_.get(whichRow, intval);
233 return intval;
234}
235
236bool SDMemTable::setIF(Int whichIF)
237{
238 if ( whichIF >= 0 && whichIF < nIF()) {
239 IFSel_ = whichIF;
240 return true;
241 }
242 return false;
243}
244
245bool SDMemTable::setBeam(Int whichBeam)
246{
247 if ( whichBeam >= 0 && whichBeam < nBeam()) {
248 beamSel_ = whichBeam;
249 return true;
250 }
251 return false;
252}
253
254bool SDMemTable::setPol(Int whichPol)
255{
256 if ( whichPol >= 0 && whichPol < nPol()) {
257 polSel_ = whichPol;
258 return true;
259 }
260 return false;
261}
262
263void SDMemTable::resetCursor ()
264{
265 polSel_ = 0;
266 IFSel_ = 0;
267 beamSel_ = 0;
268}
269
270bool SDMemTable::setMask(std::vector<int> whichChans)
271{
272 std::vector<int>::iterator it;
273 uInt n = flagsCol_.shape(0)(3);
274 if (whichChans.empty()) {
275 chanMask_ = std::vector<bool>(n,true);
276 return true;
277 }
278 chanMask_.resize(n,true);
279 for (it = whichChans.begin(); it != whichChans.end(); ++it) {
280 if (*it < n) {
281 chanMask_[*it] = false;
282 }
283 }
284 return true;
285}
286
287std::vector<bool> SDMemTable::getMask(Int whichRow) const {
288 std::vector<bool> mask;
289 Array<uChar> arr;
290 flagsCol_.get(whichRow, arr);
291 ArrayAccessor<uChar, Axis<asap::BeamAxis> > aa0(arr);
292 aa0.reset(aa0.begin(uInt(beamSel_)));//go to beam
293 ArrayAccessor<uChar, Axis<asap::IFAxis> > aa1(aa0);
294 aa1.reset(aa1.begin(uInt(IFSel_)));// go to IF
295 ArrayAccessor<uChar, Axis<asap::PolAxis> > aa2(aa1);
296 aa2.reset(aa2.begin(uInt(polSel_)));// go to pol
297
298 Bool useUserMask = ( chanMask_.size() == arr.shape()(3) );
299
300 std::vector<bool> tmp;
301 tmp = chanMask_; // WHY the fxxx do I have to make a copy here
302 std::vector<bool>::iterator miter;
303 miter = tmp.begin();
304
305 for (ArrayAccessor<uChar, Axis<asap::ChanAxis> > i(aa2); i != i.end(); ++i) {
306 bool out =!static_cast<bool>(*i);
307 if (useUserMask) {
308 out = out && (*miter);
309 miter++;
310 }
311 mask.push_back(out);
312 }
313 return mask;
314}
315std::vector<float> SDMemTable::getSpectrum(Int whichRow) const
316{
317 std::vector<float> spectrum;
318 Array<Float> arr;
319 specCol_.get(whichRow, arr);
320 ArrayAccessor<Float, Axis<asap::BeamAxis> > aa0(arr);
321 aa0.reset(aa0.begin(uInt(beamSel_)));//go to beam
322 ArrayAccessor<Float, Axis<asap::IFAxis> > aa1(aa0);
323 aa1.reset(aa1.begin(uInt(IFSel_)));// go to IF
324 ArrayAccessor<Float, Axis<asap::PolAxis> > aa2(aa1);
325 aa2.reset(aa2.begin(uInt(polSel_)));// go to pol
326 for (ArrayAccessor<Float, Axis<asap::ChanAxis> > i(aa2); i != i.end(); ++i) {
327 spectrum.push_back(*i);
328 }
329 return spectrum;
330}
331std::vector<string> SDMemTable::getCoordInfo() const
332{
333 String un;
334 Table t = table_.keywordSet().asTable("FREQUENCIES");
335 String sunit;
336 t.keywordSet().get("UNIT",sunit);
337 String dpl;
338 t.keywordSet().get("DOPPLER",dpl);
339 if (dpl == "") dpl = "RADIO";
340 String rfrm;
341 t.keywordSet().get("REFFRAME",rfrm);
342 std::vector<string> inf;
343 inf.push_back(sunit);
344 inf.push_back(rfrm);
345 inf.push_back(dpl);
346 t.keywordSet().get("BASEREFFRAME",rfrm);
347 inf.push_back(rfrm);
348 return inf;
349}
350
351void SDMemTable::setCoordInfo(std::vector<string> theinfo)
352{
353 std::vector<string>::iterator it;
354 String un,rfrm, brfrm,dpl;
355 un = theinfo[0]; // Abcissa unit
356 rfrm = theinfo[1]; // Active (or conversion) frame
357 dpl = theinfo[2]; // Doppler
358 brfrm = theinfo[3]; // Base frame
359//
360 Table t = table_.rwKeywordSet().asTable("FREQUENCIES");
361//
362 Vector<Double> rstf;
363 t.keywordSet().get("RESTFREQS",rstf);
364//
365 Bool canDo = True;
366 Unit u1("km/s");Unit u2("Hz");
367 if (Unit(un) == u1) {
368 Vector<Double> rstf;
369 t.keywordSet().get("RESTFREQS",rstf);
370 if (rstf.nelements() == 0) {
371 throw(AipsError("Can't set unit to km/s if no restfrequencies are specified"));
372 }
373 } else if (Unit(un) != u2 && un != "") {
374 throw(AipsError("Unit not conformant with Spectral Coordinates"));
375 }
376 t.rwKeywordSet().define("UNIT", un);
377//
378 MFrequency::Types mdr;
379 if (!MFrequency::getType(mdr, rfrm)) {
380
381 Int a,b;const uInt* c;
382 const String* valid = MFrequency::allMyTypes(a, b, c);
383 String pfix = "Please specify a legal frame type. Types are\n";
384 throw(AipsError(pfix+(*valid)));
385 } else {
386 t.rwKeywordSet().define("REFFRAME",rfrm);
387 }
388//
389 MDoppler::Types dtype;
390 dpl.upcase();
391 if (!MDoppler::getType(dtype, dpl)) {
392 throw(AipsError("Doppler type unknown"));
393 } else {
394 t.rwKeywordSet().define("DOPPLER",dpl);
395 }
396//
397 if (!MFrequency::getType(mdr, brfrm)) {
398 Int a,b;const uInt* c;
399 const String* valid = MFrequency::allMyTypes(a, b, c);
400 String pfix = "Please specify a legal frame type. Types are\n";
401 throw(AipsError(pfix+(*valid)));
402 } else {
403 t.rwKeywordSet().define("BASEREFFRAME",brfrm);
404 }
405}
406
407
408std::vector<double> SDMemTable::getAbcissa(Int whichRow) const
409{
410 std::vector<double> abc(nChan());
411
412// Get header units keyword
413
414 Table t = table_.keywordSet().asTable("FREQUENCIES");
415 String sunit;
416 t.keywordSet().get("UNIT",sunit);
417 if (sunit == "") sunit = "pixel";
418 Unit u(sunit);
419
420// Easy if just wanting pixels
421
422 if (sunit==String("pixel")) {
423 // assume channels/pixels
424 std::vector<double>::iterator it;
425 uInt i=0;
426 for (it = abc.begin(); it != abc.end(); ++it) {
427 (*it) = Double(i++);
428 }
429//
430 return abc;
431 }
432
433// Continue with km/s or Hz. Get FreqID
434
435 Vector<uInt> freqIDs;
436 freqidCol_.get(whichRow, freqIDs);
437 uInt freqID = freqIDs(IFSel_);
438
439// Get SpectralCoordinate, set reference frame conversion,
440// velocity conversion, and rest freq state
441
442 SpectralCoordinate spc = getSpectralCoordinate(freqID, whichRow);
443//
444 Vector<Double> pixel(nChan());
445 indgen(pixel);
446//
447 if (u == Unit("km/s")) {
448 Vector<Double> world;
449 spc.pixelToVelocity(world,pixel);
450 std::vector<double>::iterator it;
451 uInt i = 0;
452 for (it = abc.begin(); it != abc.end(); ++it) {
453 (*it) = world[i];
454 i++;
455 }
456 } else if (u == Unit("Hz")) {
457
458// Set world axis units
459
460 Vector<String> wau(1); wau = u.getName();
461 spc.setWorldAxisUnits(wau);
462//
463 std::vector<double>::iterator it;
464 Double tmp;
465 uInt i = 0;
466 for (it = abc.begin(); it != abc.end(); ++it) {
467 spc.toWorld(tmp,pixel[i]);
468 (*it) = tmp;
469 i++;
470 }
471 }
472 return abc;
473}
474
475std::string SDMemTable::getAbcissaString(Int whichRow) const
476{
477 Table t = table_.keywordSet().asTable("FREQUENCIES");
478//
479 String sunit;
480 t.keywordSet().get("UNIT",sunit);
481 if (sunit == "") sunit = "pixel";
482 Unit u(sunit);
483//
484 Vector<uInt> freqIDs;
485 freqidCol_.get(whichRow, freqIDs);
486 uInt freqID = freqIDs(IFSel_);
487
488// Get SpectralCoordinate, with frame, velocity, rest freq state set
489
490 SpectralCoordinate spc = getSpectralCoordinate(freqID, whichRow);
491//
492 String s = "Channel";
493 if (u == Unit("km/s")) {
494 s = CoordinateUtil::axisLabel(spc,0,True,True,True);
495 } else if (u == Unit("Hz")) {
496 Vector<String> wau(1);wau = u.getName();
497 spc.setWorldAxisUnits(wau);
498//
499 s = CoordinateUtil::axisLabel(spc,0,True,True,False);
500 }
501 return s;
502}
503
504void SDMemTable::setSpectrum(std::vector<float> spectrum, int whichRow)
505{
506 Array<Float> arr;
507 specCol_.get(whichRow, arr);
508 if (spectrum.size() != arr.shape()(3)) {
509 throw(AipsError("Attempting to set spectrum with incorrect length."));
510 }
511
512 ArrayAccessor<Float, Axis<asap::BeamAxis> > aa0(arr);
513 aa0.reset(aa0.begin(uInt(beamSel_)));//go to beam
514 ArrayAccessor<Float, Axis<asap::IFAxis> > aa1(aa0);
515 aa1.reset(aa1.begin(uInt(IFSel_)));// go to IF
516 ArrayAccessor<Float, Axis<asap::PolAxis> > aa2(aa1);
517 aa2.reset(aa2.begin(uInt(polSel_)));// go to pol
518
519 std::vector<float>::iterator it = spectrum.begin();
520 for (ArrayAccessor<Float, Axis<asap::ChanAxis> > i(aa2); i != i.end(); ++i) {
521 (*i) = Float(*it);
522 it++;
523 }
524 specCol_.put(whichRow, arr);
525}
526
527void SDMemTable::getSpectrum(Vector<Float>& spectrum, Int whichRow) const
528{
529 Array<Float> arr;
530 specCol_.get(whichRow, arr);
531 spectrum.resize(arr.shape()(3));
532 ArrayAccessor<Float, Axis<asap::BeamAxis> > aa0(arr);
533 aa0.reset(aa0.begin(uInt(beamSel_)));//go to beam
534 ArrayAccessor<Float, Axis<asap::IFAxis> > aa1(aa0);
535 aa1.reset(aa1.begin(uInt(IFSel_)));// go to IF
536 ArrayAccessor<Float, Axis<asap::PolAxis> > aa2(aa1);
537 aa2.reset(aa2.begin(uInt(polSel_)));// go to pol
538
539 ArrayAccessor<Float, Axis<asap::BeamAxis> > va(spectrum);
540 for (ArrayAccessor<Float, Axis<asap::ChanAxis> > i(aa2); i != i.end(); ++i) {
541 (*va) = (*i);
542 va++;
543 }
544}
545/*
546void SDMemTable::getMask(Vector<Bool>& mask, Int whichRow) const {
547 Array<uChar> arr;
548 flagsCol_.get(whichRow, arr);
549 mask.resize(arr.shape()(3));
550
551 ArrayAccessor<uChar, Axis<asap::BeamAxis> > aa0(arr);
552 aa0.reset(aa0.begin(uInt(beamSel_)));//go to beam
553 ArrayAccessor<uChar, Axis<asap::IFAxis> > aa1(aa0);
554 aa1.reset(aa1.begin(uInt(IFSel_)));// go to IF
555 ArrayAccessor<uChar, Axis<asap::PolAxis> > aa2(aa1);
556 aa2.reset(aa2.begin(uInt(polSel_)));// go to pol
557
558 Bool useUserMask = ( chanMask_.size() == arr.shape()(3) );
559
560 ArrayAccessor<Bool, Axis<asap::BeamAxis> > va(mask);
561 std::vector<bool> tmp;
562 tmp = chanMask_; // WHY the fxxx do I have to make a copy here. The
563 // iterator should work on chanMask_??
564 std::vector<bool>::iterator miter;
565 miter = tmp.begin();
566
567 for (ArrayAccessor<uChar, Axis<asap::ChanAxis> > i(aa2); i != i.end(); ++i) {
568 bool out =!static_cast<bool>(*i);
569 if (useUserMask) {
570 out = out && (*miter);
571 miter++;
572 }
573 (*va) = out;
574 va++;
575 }
576}
577*/
578MaskedArray<Float> SDMemTable::rowAsMaskedArray(uInt whichRow,
579 Bool useSelection) const
580{
581 Array<Float> arr;
582 Array<uChar> farr;
583 specCol_.get(whichRow, arr);
584 flagsCol_.get(whichRow, farr);
585 Array<Bool> barr(farr.shape());convertArray(barr, farr);
586 MaskedArray<Float> marr;
587 if (useSelection) {
588 ArrayAccessor<Float, Axis<asap::BeamAxis> > aa0(arr);
589 aa0.reset(aa0.begin(uInt(beamSel_)));//go to beam
590 ArrayAccessor<Float, Axis<asap::IFAxis> > aa1(aa0);
591 aa1.reset(aa1.begin(uInt(IFSel_)));// go to IF
592 ArrayAccessor<Float, Axis<asap::PolAxis> > aa2(aa1);
593 aa2.reset(aa2.begin(uInt(polSel_)));// go to pol
594
595 ArrayAccessor<Bool, Axis<asap::BeamAxis> > baa0(barr);
596 baa0.reset(baa0.begin(uInt(beamSel_)));//go to beam
597 ArrayAccessor<Bool, Axis<asap::IFAxis> > baa1(baa0);
598 baa1.reset(baa1.begin(uInt(IFSel_)));// go to IF
599 ArrayAccessor<Bool, Axis<asap::PolAxis> > baa2(baa1);
600 baa2.reset(baa2.begin(uInt(polSel_)));// go to pol
601
602 Vector<Float> a(arr.shape()(3));
603 Vector<Bool> b(barr.shape()(3));
604 ArrayAccessor<Float, Axis<asap::BeamAxis> > a0(a);
605 ArrayAccessor<Bool, Axis<asap::BeamAxis> > b0(b);
606
607 ArrayAccessor<Bool, Axis<asap::ChanAxis> > j(baa2);
608 for (ArrayAccessor<Float, Axis<asap::ChanAxis> > i(aa2);
609 i != i.end(); ++i) {
610 (*a0) = (*i);
611 (*b0) = !(*j);
612 j++;
613 a0++;
614 b0++;
615 }
616 marr.setData(a,b);
617 } else {
618 marr.setData(arr,!barr);
619 }
620 return marr;
621}
622
623Float SDMemTable::getTsys(Int whichRow) const
624{
625 Array<Float> arr;
626 tsCol_.get(whichRow, arr);
627 Float out;
628 IPosition ip(arr.shape());
629 ip(0) = beamSel_;ip(1) = IFSel_;ip(2) = polSel_;ip(3)=0;
630 out = arr(ip);
631 return out;
632}
633
634MDirection SDMemTable::getDirection(Int whichRow, Bool refBeam) const
635{
636 MDirection::Types mdr = getDirectionReference();
637 Array<Double> posit;
638 dirCol_.get(whichRow,posit);
639 Vector<Double> wpos(2);
640 wpos[0] = posit(IPosition(2,beamSel_,0));
641 wpos[1] = posit(IPosition(2,beamSel_,1));
642 Quantum<Double> lon(wpos[0],Unit(String("rad")));
643 Quantum<Double> lat(wpos[1],Unit(String("rad")));
644 return MDirection(lon, lat, mdr);
645}
646
647MEpoch SDMemTable::getEpoch (Int whichRow) const
648{
649 MEpoch::Types met = getTimeReference();
650//
651 Double obstime;
652 timeCol_.get(whichRow,obstime);
653 MVEpoch tm2(Quantum<Double>(obstime, Unit(String("d"))));
654 return MEpoch(tm2, met);
655}
656
657MPosition SDMemTable::getAntennaPosition () const
658{
659 Vector<Double> antpos;
660 table_.keywordSet().get("AntennaPosition", antpos);
661 MVPosition mvpos(antpos(0),antpos(1),antpos(2));
662 return MPosition(mvpos);
663}
664
665
666SpectralCoordinate SDMemTable::getSpectralCoordinate(uInt freqID) const
667{
668
669 Table t = table_.keywordSet().asTable("FREQUENCIES");
670 if (freqID> t.nrow() ) {
671 throw(AipsError("SDMemTable::getSpectralCoordinate - freqID out of range"));
672 }
673
674 Double rp,rv,inc;
675 String rf;
676 ROScalarColumn<Double> rpc(t, "REFPIX");
677 ROScalarColumn<Double> rvc(t, "REFVAL");
678 ROScalarColumn<Double> incc(t, "INCREMENT");
679 t.keywordSet().get("BASEREFFRAME",rf);
680
681// Create SpectralCoordinate (units Hz)
682
683 MFrequency::Types mft;
684 if (!MFrequency::getType(mft, rf)) {
685 cerr << "Frequency type unknown assuming TOPO" << endl;
686 mft = MFrequency::TOPO;
687 }
688 rpc.get(freqID, rp);
689 rvc.get(freqID, rv);
690 incc.get(freqID, inc);
691//
692 SpectralCoordinate spec(mft,rv,inc,rp);
693//
694 return spec;
695}
696
697
698SpectralCoordinate SDMemTable::getSpectralCoordinate(uInt freqID, uInt whichRow) const
699{
700// Create basic SC
701
702 SpectralCoordinate spec = getSpectralCoordinate (freqID);
703//
704 Table t = table_.keywordSet().asTable("FREQUENCIES");
705
706// Get rest frequencies from table, one per IF ???
707
708 Vector<Double> vec;
709 t.keywordSet().get("RESTFREQS",vec);
710 if (vec.nelements() > 0) {
711 spec.setRestFrequencies(vec);
712
713// Select rest freq
714
715 if (IFSel_ < vec.nelements()) {
716 spec.selectRestFrequency(uInt(IFSel_));
717 } else {
718 cerr << "There is no rest frequency for this IF; selecting rest freq for IF=0" << endl;
719 spec.selectRestFrequency(0u);
720 }
721 }
722
723// Set up frame conversion layer
724
725 String frm;
726 t.keywordSet().get("REFFRAME",frm);
727 if (frm == "") frm = "TOPO";
728 MFrequency::Types mtype;
729 if (!MFrequency::getType(mtype, frm)) {
730 cerr << "Frequency type unknown assuming TOPO" << endl; // SHould never happen
731 mtype = MFrequency::TOPO;
732 }
733
734// Set reference frame conversion (requires row)
735
736 MDirection direct = getDirection(whichRow);
737 MEpoch epoch = getEpoch(whichRow);
738 MPosition pos = getAntennaPosition();
739 if (!spec.setReferenceConversion(mtype,epoch,pos,direct)) {
740 throw(AipsError("Couldn't convert frequency frame."));
741 }
742
743// Now velocity conversion if appropriate
744
745 String unitStr;
746 t.keywordSet().get("UNIT",unitStr);
747//
748 String dpl;
749 t.keywordSet().get("DOPPLER",dpl);
750 MDoppler::Types dtype;
751 MDoppler::getType(dtype, dpl);
752
753// Only set velocity unit if non-blank and non-Hz
754
755 if (!unitStr.empty()) {
756 Unit unitU(unitStr);
757 if (unitU==Unit("Hz")) {
758 } else {
759 spec.setVelocity(unitStr, dtype);
760 }
761 }
762//
763 return spec;
764}
765
766
767Bool SDMemTable::setCoordinate(const SpectralCoordinate& speccord,
768 uInt freqID) {
769 Table t = table_.rwKeywordSet().asTable("FREQUENCIES");
770 if (freqID > t.nrow() ) {
771 throw(AipsError("SDMemTable::setCoordinate - coord no out of range"));
772 }
773 ScalarColumn<Double> rpc(t, "REFPIX");
774 ScalarColumn<Double> rvc(t, "REFVAL");
775 ScalarColumn<Double> incc(t, "INCREMENT");
776
777 rpc.put(freqID, speccord.referencePixel()[0]);
778 rvc.put(freqID, speccord.referenceValue()[0]);
779 incc.put(freqID, speccord.increment()[0]);
780
781 return True;
782}
783
784Int SDMemTable::nCoordinates() const
785{
786 return table_.keywordSet().asTable("FREQUENCIES").nrow();
787}
788
789void SDMemTable::setRestFreqs(std::vector<double> freqs,
790 const std::string& theunit)
791{
792 Vector<Double> tvec(freqs);
793 Quantum<Vector<Double> > q(tvec, String(theunit));
794 tvec.resize();
795 tvec = q.getValue("Hz");
796 Table t = table_.keywordSet().asTable("FREQUENCIES");
797 t.rwKeywordSet().define("RESTFREQS",tvec);
798}
799
800std::vector<double> SDMemTable::getRestFreqs() const
801{
802 Table t = table_.keywordSet().asTable("FREQUENCIES");
803 Vector<Double> tvec;
804 t.keywordSet().get("RESTFREQS",tvec);
805 std::vector<double> stlout;
806 tvec.tovector(stlout);
807 return stlout;
808}
809
810bool SDMemTable::putSDFreqTable(const SDFrequencyTable& sdft)
811{
812 TableDesc td("", "1", TableDesc::Scratch);
813 td.addColumn(ScalarColumnDesc<Double>("REFPIX"));
814 td.addColumn(ScalarColumnDesc<Double>("REFVAL"));
815 td.addColumn(ScalarColumnDesc<Double>("INCREMENT"));
816 SetupNewTable aNewTab("freqs", td, Table::New);
817 Table aTable (aNewTab, Table::Memory, sdft.length());
818 ScalarColumn<Double> sc0(aTable, "REFPIX");
819 ScalarColumn<Double> sc1(aTable, "REFVAL");
820 ScalarColumn<Double> sc2(aTable, "INCREMENT");
821 for (uInt i=0; i < sdft.length(); ++i) {
822 sc0.put(i,sdft.referencePixel(i));
823 sc1.put(i,sdft.referenceValue(i));
824 sc2.put(i,sdft.increment(i));
825 }
826 String rf = sdft.refFrame();
827 if (rf.contains("TOPO")) rf = "TOPO";
828
829 aTable.rwKeywordSet().define("BASEREFFRAME", rf);
830 aTable.rwKeywordSet().define("REFFRAME", rf);
831 aTable.rwKeywordSet().define("EQUINOX", sdft.equinox());
832 aTable.rwKeywordSet().define("UNIT", String(""));
833 aTable.rwKeywordSet().define("DOPPLER", String("RADIO"));
834 Vector<Double> rfvec;
835 String rfunit;
836 sdft.restFrequencies(rfvec,rfunit);
837 Quantum<Vector<Double> > q(rfvec, rfunit);
838 rfvec.resize();
839 rfvec = q.getValue("Hz");
840 aTable.rwKeywordSet().define("RESTFREQS", rfvec);
841 table_.rwKeywordSet().defineTable ("FREQUENCIES", aTable);
842 return True;
843}
844
845SDFrequencyTable SDMemTable::getSDFreqTable() const
846{
847 const Table& t = table_.keywordSet().asTable("FREQUENCIES");
848 SDFrequencyTable sdft;
849
850// Add refpix/refval/incr. What are the units ? Hz I suppose
851// but it's nowhere described...
852
853 Vector<Double> refPix, refVal, incr;
854 ScalarColumn<Double> refPixCol(t, "REFPIX");
855 ScalarColumn<Double> refValCol(t, "REFVAL");
856 ScalarColumn<Double> incrCol(t, "INCREMENT");
857 refPix = refPixCol.getColumn();
858 refVal = refValCol.getColumn();
859 incr = incrCol.getColumn();
860//
861 uInt n = refPix.nelements();
862 for (uInt i=0; i<n; i++) {
863 sdft.addFrequency(refPix[i], refVal[i], incr[i]);
864 }
865
866// Frequency reference frame. I don't know if this
867// is the correct frame. It might be 'REFFRAME'
868// rather than 'BASEREFFRAME' ?
869
870 String baseFrame;
871 t.keywordSet().get("BASEREFFRAME",baseFrame);
872 sdft.setRefFrame(baseFrame);
873
874// Equinox
875
876 Float equinox;
877 t.keywordSet().get("EQUINOX", equinox);
878 sdft.setEquinox(equinox);
879
880// Rest Frequency
881
882 Vector<Double> restFreqs;
883 t.keywordSet().get("RESTFREQS", restFreqs);
884 for (uInt i=0; i<restFreqs.nelements(); i++) {
885 sdft.addRestFrequency(restFreqs[i]);
886 }
887 sdft.setRestFrequencyUnit(String("Hz"));
888//
889 return sdft;
890}
891
892bool SDMemTable::putSDContainer(const SDContainer& sdc)
893{
894 uInt rno = table_.nrow();
895 table_.addRow();
896
897// mjd.put(rno, sdc.timestamp);
898 timeCol_.put(rno, sdc.timestamp);
899 srcnCol_.put(rno, sdc.sourcename);
900 fldnCol_.put(rno, sdc.fieldname);
901 specCol_.put(rno, sdc.getSpectrum());
902 flagsCol_.put(rno, sdc.getFlags());
903 tsCol_.put(rno, sdc.getTsys());
904 scanCol_.put(rno, sdc.scanid);
905 integrCol_.put(rno, sdc.interval);
906 freqidCol_.put(rno, sdc.getFreqMap());
907 dirCol_.put(rno, sdc.getDirection());
908 rbeamCol_.put(rno, sdc.refbeam);
909 tcalCol_.put(rno, sdc.tcal);
910 tcaltCol_.put(rno, sdc.tcaltime);
911 azCol_.put(rno, sdc.azimuth);
912 elCol_.put(rno, sdc.elevation);
913 paraCol_.put(rno, sdc.parangle);
914 histCol_.put(rno, sdc.getHistory());
915
916 return true;
917}
918
919SDContainer SDMemTable::getSDContainer(uInt whichRow) const
920{
921 SDContainer sdc(nBeam(),nIF(),nPol(),nChan());
922 timeCol_.get(whichRow, sdc.timestamp);
923 srcnCol_.get(whichRow, sdc.sourcename);
924 integrCol_.get(whichRow, sdc.interval);
925 scanCol_.get(whichRow, sdc.scanid);
926 fldnCol_.get(whichRow, sdc.fieldname);
927 rbeamCol_.get(whichRow, sdc.refbeam);
928 azCol_.get(whichRow, sdc.azimuth);
929 elCol_.get(whichRow, sdc.elevation);
930 paraCol_.get(whichRow, sdc.parangle);
931 Vector<Float> tc;
932 tcalCol_.get(whichRow, tc);
933 sdc.tcal[0] = tc[0];sdc.tcal[1] = tc[1];
934 tcaltCol_.get(whichRow, sdc.tcaltime);
935 Array<Float> spectrum;
936 Array<Float> tsys;
937 Array<uChar> flagtrum;
938 Vector<uInt> fmap;
939 Array<Double> direction;
940 Vector<String> histo;
941 specCol_.get(whichRow, spectrum);
942 sdc.putSpectrum(spectrum);
943 flagsCol_.get(whichRow, flagtrum);
944 sdc.putFlags(flagtrum);
945 tsCol_.get(whichRow, tsys);
946 sdc.putTsys(tsys);
947 freqidCol_.get(whichRow, fmap);
948 sdc.putFreqMap(fmap);
949 dirCol_.get(whichRow, direction);
950 sdc.putDirection(direction);
951 histCol_.get(whichRow, histo);
952 sdc.putHistory(histo);
953 return sdc;
954}
955
956bool SDMemTable::putSDHeader(const SDHeader& sdh)
957{
958 table_.rwKeywordSet().define("nIF", sdh.nif);
959 table_.rwKeywordSet().define("nBeam", sdh.nbeam);
960 table_.rwKeywordSet().define("nPol", sdh.npol);
961 table_.rwKeywordSet().define("nChan", sdh.nchan);
962 table_.rwKeywordSet().define("Observer", sdh.observer);
963 table_.rwKeywordSet().define("Project", sdh.project);
964 table_.rwKeywordSet().define("Obstype", sdh.obstype);
965 table_.rwKeywordSet().define("AntennaName", sdh.antennaname);
966 table_.rwKeywordSet().define("AntennaPosition", sdh.antennaposition);
967 table_.rwKeywordSet().define("Equinox", sdh.equinox);
968 table_.rwKeywordSet().define("FreqRefFrame", sdh.freqref);
969 table_.rwKeywordSet().define("FreqRefVal", sdh.reffreq);
970 table_.rwKeywordSet().define("Bandwidth", sdh.bandwidth);
971 table_.rwKeywordSet().define("UTC", sdh.utc);
972 table_.rwKeywordSet().define("FluxUnit", sdh.fluxunit);
973 table_.rwKeywordSet().define("Epoch", sdh.epoch);
974 return true;
975}
976
977SDHeader SDMemTable::getSDHeader() const
978{
979 SDHeader sdh;
980 table_.keywordSet().get("nBeam",sdh.nbeam);
981 table_.keywordSet().get("nIF",sdh.nif);
982 table_.keywordSet().get("nPol",sdh.npol);
983 table_.keywordSet().get("nChan",sdh.nchan);
984 table_.keywordSet().get("Observer", sdh.observer);
985 table_.keywordSet().get("Project", sdh.project);
986 table_.keywordSet().get("Obstype", sdh.obstype);
987 table_.keywordSet().get("AntennaName", sdh.antennaname);
988 table_.keywordSet().get("AntennaPosition", sdh.antennaposition);
989 table_.keywordSet().get("Equinox", sdh.equinox);
990 table_.keywordSet().get("FreqRefFrame", sdh.freqref);
991 table_.keywordSet().get("FreqRefVal", sdh.reffreq);
992 table_.keywordSet().get("Bandwidth", sdh.bandwidth);
993 table_.keywordSet().get("UTC", sdh.utc);
994 table_.keywordSet().get("FluxUnit", sdh.fluxunit);
995 table_.keywordSet().get("Epoch", sdh.epoch);
996 return sdh;
997}
998void SDMemTable::makePersistent(const std::string& filename)
999{
1000 table_.deepCopy(filename,Table::New);
1001}
1002
1003Int SDMemTable::nScan() const {
1004 Int n = 0;
1005 Int previous = -1;Int current=0;
1006 for (uInt i=0; i< scanCol_.nrow();i++) {
1007 scanCol_.getScalar(i,current);
1008 if (previous != current) {
1009 previous = current;
1010 n++;
1011 }
1012 }
1013 return n;
1014}
1015
1016String SDMemTable::formatSec(Double x) const
1017{
1018 Double xcop = x;
1019 MVTime mvt(xcop/24./3600.); // make days
1020
1021 if (x < 59.95)
1022 return String(" ") + mvt.string(MVTime::TIME_CLEAN_NO_HM, 7)+"s";
1023 else if (x < 3599.95)
1024 return String(" ") + mvt.string(MVTime::TIME_CLEAN_NO_H,7)+" ";
1025 else {
1026 ostringstream oss;
1027 oss << setw(2) << std::right << setprecision(1) << mvt.hour();
1028 oss << ":" << mvt.string(MVTime::TIME_CLEAN_NO_H,7) << " ";
1029 return String(oss);
1030 }
1031};
1032
1033String SDMemTable::formatDirection(const MDirection& md) const
1034{
1035 Vector<Double> t = md.getAngle(Unit(String("rad"))).getValue();
1036 Int prec = 7;
1037
1038 MVAngle mvLon(t[0]);
1039 String sLon = mvLon.string(MVAngle::TIME,prec);
1040 MVAngle mvLat(t[1]);
1041 String sLat = mvLat.string(MVAngle::ANGLE+MVAngle::DIG2,prec);
1042
1043 return sLon + String(" ") + sLat;
1044}
1045
1046
1047std::string SDMemTable::getFluxUnit() const
1048{
1049 String tmp;
1050 table_.keywordSet().get("FluxUnit", tmp);
1051 return tmp;
1052}
1053
1054void SDMemTable::setFluxUnit(const std::string& unit)
1055{
1056 String tmp(unit);
1057 Unit tU(tmp);
1058 if (tU==Unit("K") || tU==Unit("Jy")) {
1059 table_.rwKeywordSet().define(String("FluxUnit"), tmp);
1060 } else {
1061 throw AipsError("Illegal unit - must be compatible with Jy or K");
1062 }
1063}
1064
1065
1066void SDMemTable::setInstrument(const std::string& name)
1067{
1068 Bool throwIt = True;
1069 Instrument ins = convertInstrument (name, throwIt);
1070 String nameU(name);
1071 nameU.upcase();
1072 table_.rwKeywordSet().define(String("AntennaName"), nameU);
1073}
1074
1075std::string SDMemTable::summary() const {
1076
1077 // get number of integrations per scan
1078 int cIdx = 0;
1079 int idx = 0;
1080 int scount = 0;
1081 std::vector<int> cycles;
1082 for (uInt i=0; i<scanCol_.nrow();++i) {
1083 while (idx == cIdx && i<scanCol_.nrow()) {
1084 scanCol_.getScalar(++i,cIdx);
1085 ++scount;
1086 }
1087 idx = cIdx;
1088 cycles.push_back(scount);
1089 scount=0;
1090 --i;
1091 }
1092
1093
1094 ostringstream oss;
1095 oss << endl;
1096 oss << "--------------------------------------------------" << endl;
1097 oss << " Scan Table Summary" << endl;
1098 oss << "--------------------------------------------------" << endl;
1099 oss.flags(std::ios_base::left);
1100 oss << setw(15) << "Beams:" << setw(4) << nBeam() << endl
1101 << setw(15) << "IFs:" << setw(4) << nIF() << endl
1102 << setw(15) << "Polarisations:" << setw(4) << nPol() << endl
1103 << setw(15) << "Channels:" << setw(4) << nChan() << endl;
1104 oss << endl;
1105 String tmp;
1106 table_.keywordSet().get("Observer", tmp);
1107 oss << setw(15) << "Observer:" << tmp << endl;
1108 oss << setw(15) << "Obs Date:" << getTime(-1,True) << endl;
1109 table_.keywordSet().get("Project", tmp);
1110 oss << setw(15) << "Project:" << tmp << endl;
1111 table_.keywordSet().get("Obstype", tmp);
1112 oss << setw(15) << "Obs. Type:" << tmp << endl;
1113 table_.keywordSet().get("AntennaName", tmp);
1114 oss << setw(15) << "Antenna Name:" << tmp << endl;
1115 table_.keywordSet().get("FluxUnit", tmp);
1116 oss << setw(15) << "Flux Unit:" << tmp << endl;
1117 Table t = table_.keywordSet().asTable("FREQUENCIES");
1118 Vector<Double> vec;
1119 t.keywordSet().get("RESTFREQS",vec);
1120 oss << setw(15) << "Rest Freqs:";
1121 if (vec.nelements() > 0) {
1122 oss << setprecision(0) << vec << " [Hz]" << endl;
1123 } else {
1124 oss << "None set" << endl;
1125 }
1126 oss << setw(15) << "Abcissa:" << getAbcissaString() << endl;
1127 oss << setw(15) << "Cursor:" << "Beam[" << getBeam() << "] "
1128 << "IF[" << getIF() << "] " << "Pol[" << getPol() << "]" << endl;
1129 oss << endl;
1130 uInt count = 0;
1131 String name;
1132 Int previous = -1;Int current=0;
1133 Int integ = 0;
1134 String dirtype ="Position ("+
1135 MDirection::showType(getDirectionReference())+
1136 ")";
1137 oss << setw(6) << "Scan"
1138 << setw(15) << "Source"
1139 << setw(26) << dirtype
1140 << setw(10) << "Time"
1141 << setw(13) << "Integration" << endl;
1142 oss << "-------------------------------------------------------------------------------" << endl;
1143
1144 std::vector<int>::iterator it = cycles.begin();
1145 for (uInt i=0; i< scanCol_.nrow();i++) {
1146 scanCol_.getScalar(i,current);
1147 if (previous != current) {
1148 srcnCol_.getScalar(i,name);
1149 previous = current;
1150 String t = formatSec(Double(getInterval(i)));
1151 String posit = formatDirection(getDirection(i,True));
1152 oss << setw(6) << count
1153 << setw(15) << name
1154 << setw(26) << posit
1155 << setw(10) << getTime(i,False)
1156 << setw(3) << std::right << *it << " x "
1157 << setw(10)
1158 << t << std::left << endl;
1159 count++;
1160 it++;
1161 } else {
1162 integ++;
1163 }
1164 }
1165 oss << endl;
1166 oss << "Table contains " << table_.nrow() << " integration(s) in " << count << " scan(s)." << endl;
1167
1168// Frequency Table
1169
1170 std::vector<string> info = getCoordInfo();
1171 SDFrequencyTable sdft = getSDFreqTable();
1172 oss << endl << endl;
1173 oss << "FreqID Frame RefFreq(Hz) RefPix Increment(Hz)" << endl;
1174 oss << "-------------------------------------------------------------------------------" << endl;
1175 for (uInt i=0; i<sdft.length(); i++) {
1176 oss << setw(8) << i << setw(8)
1177 << info[3] << setw(16) << setprecision (8)
1178 << sdft.referenceValue(i) << setw(10)
1179 << sdft.referencePixel(i) << setw(12)
1180 << sdft.increment(i) << endl;
1181 }
1182 oss << "-------------------------------------------------------------------------------" << endl;
1183 return String(oss);
1184}
1185
1186Int SDMemTable::nBeam() const
1187{
1188 Int n;
1189 table_.keywordSet().get("nBeam",n);
1190 return n;
1191}
1192Int SDMemTable::nIF() const {
1193 Int n;
1194 table_.keywordSet().get("nIF",n);
1195 return n;
1196}
1197Int SDMemTable::nPol() const {
1198 Int n;
1199 table_.keywordSet().get("nPol",n);
1200 return n;
1201}
1202Int SDMemTable::nChan() const {
1203 Int n;
1204 table_.keywordSet().get("nChan",n);
1205 return n;
1206}
1207bool SDMemTable::appendHistory(const std::string& hist, int whichRow)
1208{
1209 Vector<String> history;
1210 histCol_.get(whichRow, history);
1211 history.resize(history.nelements()+1,True);
1212 history[history.nelements()-1] = hist;
1213 histCol_.put(whichRow, history);
1214}
1215
1216std::vector<std::string> SDMemTable::history(int whichRow) const
1217{
1218 Vector<String> history;
1219 histCol_.get(whichRow, history);
1220 std::vector<std::string> stlout;
1221 // there is no Array<String>.tovector(std::vector<std::string>), so
1222 // do it by hand
1223 for (uInt i=0; i<history.nelements(); ++i) {
1224 stlout.push_back(history[i]);
1225 }
1226 return stlout;
1227}
1228/*
1229void SDMemTable::maskChannels(const std::vector<Int>& whichChans ) {
1230
1231 std::vector<int>::iterator it;
1232 ArrayAccessor<uChar, Axis<asap::PolAxis> > j(flags_);
1233 for (it = whichChans.begin(); it != whichChans.end(); it++) {
1234 j.reset(j.begin(uInt(*it)));
1235 for (ArrayAccessor<uChar, Axis<asap::BeamAxis> > i(j); i != i.end(); ++i) {
1236 for (ArrayAccessor<uChar, Axis<asap::IFAxis> > ii(i); ii != ii.end(); ++ii) {
1237 for (ArrayAccessor<uChar, Axis<asap::ChanAxis> > iii(ii);
1238 iii != iii.end(); ++iii) {
1239 (*iii) =
1240 }
1241 }
1242 }
1243 }
1244
1245}
1246*/
1247void SDMemTable::flag(int whichRow)
1248{
1249 Array<uChar> arr;
1250 flagsCol_.get(whichRow, arr);
1251
1252 ArrayAccessor<uChar, Axis<asap::BeamAxis> > aa0(arr);
1253 aa0.reset(aa0.begin(uInt(beamSel_)));//go to beam
1254 ArrayAccessor<uChar, Axis<asap::IFAxis> > aa1(aa0);
1255 aa1.reset(aa1.begin(uInt(IFSel_)));// go to IF
1256 ArrayAccessor<uChar, Axis<asap::PolAxis> > aa2(aa1);
1257 aa2.reset(aa2.begin(uInt(polSel_)));// go to pol
1258
1259 for (ArrayAccessor<uChar, Axis<asap::ChanAxis> > i(aa2); i != i.end(); ++i) {
1260 (*i) = uChar(True);
1261 }
1262
1263 flagsCol_.put(whichRow, arr);
1264}
1265
1266MDirection::Types SDMemTable::getDirectionReference() const
1267{
1268 Float eq;
1269 table_.keywordSet().get("Equinox",eq);
1270 std::map<float,string> mp;
1271 mp[2000.0] = "J2000";
1272 mp[1950.0] = "B1950";
1273 MDirection::Types mdr;
1274 if (!MDirection::getType(mdr, mp[eq])) {
1275 mdr = MDirection::J2000;
1276 cerr << "Unknown equinox using J2000" << endl;
1277 }
1278//
1279 return mdr;
1280}
1281
1282MEpoch::Types SDMemTable::getTimeReference () const
1283{
1284 MEpoch::Types met;
1285 String ep;
1286 table_.keywordSet().get("Epoch",ep);
1287 if (!MEpoch::getType(met, ep)) {
1288 cerr << "Epoch type uknown - using UTC" << endl;
1289 met = MEpoch::UTC;
1290 }
1291//
1292 return met;
1293}
1294
1295
1296Instrument SDMemTable::convertInstrument (const String& instrument,
1297 Bool throwIt)
1298{
1299 String t(instrument);
1300 t.upcase();
1301
1302// The strings are what SDReader returns, after cunning interrogation
1303// of station names... :-(
1304
1305 Instrument inst = asap::UNKNOWN;
1306 if (t==String("DSS-43")) {
1307 inst = TIDBINBILLA;
1308 } else if (t==String("ATPKSMB")) {
1309 inst = ATPKSMB;
1310 } else if (t==String("ATPKSHOH")) {
1311 inst = ATPKSHOH;
1312 } else if (t==String("ATMOPRA")) {
1313 inst = ATMOPRA;
1314 } else if (t==String("CEDUNA")) {
1315 inst = CEDUNA;
1316 } else if (t==String("HOBART")) {
1317 inst = HOBART;
1318 } else {
1319 if (throwIt) {
1320 throw AipsError("Unrecognized instrument - use function scan.set_instrument to set");
1321 }
1322 }
1323 return inst;
1324}
1325
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