source: trunk/src/SDMemTable.cc@ 375

Last change on this file since 375 was 367, checked in by kil064, 20 years ago

add a couple of special case adjustments in function summary
  • Property svn:eol-style set to native
  • Property svn:keywords set to Author Date Id Revision
File size: 37.3 KB
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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#include "MathUtils.h"
63
64
65using namespace casa;
66using namespace asap;
67
68SDMemTable::SDMemTable() :
69 IFSel_(0),
70 beamSel_(0),
71 polSel_(0)
72{
73 setup();
74 attach();
75}
76
77SDMemTable::SDMemTable(const std::string& name) :
78 IFSel_(0),
79 beamSel_(0),
80 polSel_(0)
81{
82 Table tab(name);
83 table_ = tab.copyToMemoryTable("dummy");
84 //cerr << "hello from C SDMemTable @ " << this << endl;
85 attach();
86}
87
88SDMemTable::SDMemTable(const SDMemTable& other, Bool clear)
89{
90 IFSel_= other.IFSel_;
91 beamSel_= other.beamSel_;
92 polSel_= other.polSel_;
93 chanMask_ = other.chanMask_;
94 table_ = other.table_.copyToMemoryTable(String("dummy"));
95 // clear all rows()
96 if (clear) {
97 table_.removeRow(this->table_.rowNumbers());
98 } else {
99 IFSel_ = other.IFSel_;
100 beamSel_ = other.beamSel_;
101 polSel_ = other.polSel_;
102 }
103//
104 attach();
105 //cerr << "hello from CC SDMemTable @ " << this << endl;
106}
107
108SDMemTable::SDMemTable(const Table& tab, const std::string& exprs) :
109 IFSel_(0),
110 beamSel_(0),
111 polSel_(0)
112{
113 Table t = tableCommand(exprs,tab);
114 if (t.nrow() == 0)
115 throw(AipsError("Query unsuccessful."));
116 table_ = t.copyToMemoryTable("dummy");
117 attach();
118}
119
120SDMemTable::~SDMemTable()
121{
122 //cerr << "goodbye from SDMemTable @ " << this << endl;
123}
124
125SDMemTable SDMemTable::getScan(Int scanID) const
126{
127 String cond("SELECT * from $1 WHERE SCANID == ");
128 cond += String::toString(scanID);
129 return SDMemTable(table_, cond);
130}
131
132SDMemTable &SDMemTable::operator=(const SDMemTable& other)
133{
134 if (this != &other) {
135 IFSel_= other.IFSel_;
136 beamSel_= other.beamSel_;
137 polSel_= other.polSel_;
138 chanMask_.resize(0);
139 chanMask_ = other.chanMask_;
140 table_ = other.table_.copyToMemoryTable(String("dummy"));
141 attach();
142 }
143 //cerr << "hello from ASS SDMemTable @ " << this << endl;
144 return *this;
145}
146
147SDMemTable SDMemTable::getSource(const std::string& source) const
148{
149 String cond("SELECT * from $1 WHERE SRCNAME == ");
150 cond += source;
151 return SDMemTable(table_, cond);
152}
153
154void SDMemTable::setup()
155{
156 TableDesc td("", "1", TableDesc::Scratch);
157 td.comment() = "A SDMemTable";
158//
159 td.addColumn(ScalarColumnDesc<Double>("TIME"));
160 td.addColumn(ScalarColumnDesc<String>("SRCNAME"));
161 td.addColumn(ArrayColumnDesc<Float>("SPECTRA"));
162 td.addColumn(ArrayColumnDesc<uChar>("FLAGTRA"));
163 td.addColumn(ArrayColumnDesc<Float>("TSYS"));
164 td.addColumn(ScalarColumnDesc<Int>("SCANID"));
165 td.addColumn(ScalarColumnDesc<Double>("INTERVAL"));
166 td.addColumn(ArrayColumnDesc<uInt>("FREQID"));
167 td.addColumn(ArrayColumnDesc<Double>("DIRECTION"));
168 td.addColumn(ScalarColumnDesc<String>("FIELDNAME"));
169 td.addColumn(ScalarColumnDesc<String>("TCALTIME"));
170 td.addColumn(ArrayColumnDesc<Float>("TCAL"));
171 td.addColumn(ScalarColumnDesc<Float>("AZIMUTH"));
172 td.addColumn(ScalarColumnDesc<Float>("ELEVATION"));
173 td.addColumn(ScalarColumnDesc<Float>("PARANGLE"));
174 td.addColumn(ScalarColumnDesc<Int>("REFBEAM"));
175 td.addColumn(ArrayColumnDesc<String>("HISTORY"));
176
177 // Now create a new table from the description.
178
179 SetupNewTable aNewTab("dummy", td, Table::New);
180 table_ = Table(aNewTab, Table::Memory, 0);
181}
182
183void SDMemTable::attach ()
184{
185 timeCol_.attach(table_, "TIME");
186 srcnCol_.attach(table_, "SRCNAME");
187 specCol_.attach(table_, "SPECTRA");
188 flagsCol_.attach(table_, "FLAGTRA");
189 tsCol_.attach(table_, "TSYS");
190 scanCol_.attach(table_, "SCANID");
191 integrCol_.attach(table_, "INTERVAL");
192 freqidCol_.attach(table_, "FREQID");
193 dirCol_.attach(table_, "DIRECTION");
194 fldnCol_.attach(table_, "FIELDNAME");
195 tcaltCol_.attach(table_, "TCALTIME");
196 tcalCol_.attach(table_, "TCAL");
197 azCol_.attach(table_, "AZIMUTH");
198 elCol_.attach(table_, "ELEVATION");
199 paraCol_.attach(table_, "PARANGLE");
200 rbeamCol_.attach(table_, "REFBEAM");
201 histCol_.attach(table_, "HISTORY");
202}
203
204
205std::string SDMemTable::getSourceName(Int whichRow) const
206{
207 String name;
208 srcnCol_.get(whichRow, name);
209 return name;
210}
211
212std::string SDMemTable::getTime(Int whichRow, Bool showDate) const
213{
214 Double tm;
215 if (whichRow > -1) {
216 timeCol_.get(whichRow, tm);
217 } else {
218 table_.keywordSet().get("UTC",tm);
219 }
220 MVTime mvt(tm);
221 if (showDate)
222 mvt.setFormat(MVTime::YMD);
223 else
224 mvt.setFormat(MVTime::TIME);
225 ostringstream oss;
226 oss << mvt;
227 return String(oss);
228}
229
230double SDMemTable::getInterval(Int whichRow) const
231{
232 Double intval;
233 integrCol_.get(whichRow, intval);
234 return intval;
235}
236
237bool SDMemTable::setIF(Int whichIF)
238{
239 if ( whichIF >= 0 && whichIF < nIF()) {
240 IFSel_ = whichIF;
241 return true;
242 }
243 return false;
244}
245
246bool SDMemTable::setBeam(Int whichBeam)
247{
248 if ( whichBeam >= 0 && whichBeam < nBeam()) {
249 beamSel_ = whichBeam;
250 return true;
251 }
252 return false;
253}
254
255bool SDMemTable::setPol(Int whichPol)
256{
257 if ( whichPol >= 0 && whichPol < nPol()) {
258 polSel_ = whichPol;
259 return true;
260 }
261 return false;
262}
263
264void SDMemTable::resetCursor ()
265{
266 polSel_ = 0;
267 IFSel_ = 0;
268 beamSel_ = 0;
269}
270
271bool SDMemTable::setMask(std::vector<int> whichChans)
272{
273 std::vector<int>::iterator it;
274 uInt n = flagsCol_.shape(0)(3);
275 if (whichChans.empty()) {
276 chanMask_ = std::vector<bool>(n,true);
277 return true;
278 }
279 chanMask_.resize(n,true);
280 for (it = whichChans.begin(); it != whichChans.end(); ++it) {
281 if (*it < n) {
282 chanMask_[*it] = false;
283 }
284 }
285 return true;
286}
287
288std::vector<bool> SDMemTable::getMask(Int whichRow) const {
289 std::vector<bool> mask;
290 Array<uChar> arr;
291 flagsCol_.get(whichRow, arr);
292 ArrayAccessor<uChar, Axis<asap::BeamAxis> > aa0(arr);
293 aa0.reset(aa0.begin(uInt(beamSel_)));//go to beam
294 ArrayAccessor<uChar, Axis<asap::IFAxis> > aa1(aa0);
295 aa1.reset(aa1.begin(uInt(IFSel_)));// go to IF
296 ArrayAccessor<uChar, Axis<asap::PolAxis> > aa2(aa1);
297 aa2.reset(aa2.begin(uInt(polSel_)));// go to pol
298
299 Bool useUserMask = ( chanMask_.size() == arr.shape()(3) );
300
301 std::vector<bool> tmp;
302 tmp = chanMask_; // WHY the fxxx do I have to make a copy here
303 std::vector<bool>::iterator miter;
304 miter = tmp.begin();
305
306 for (ArrayAccessor<uChar, Axis<asap::ChanAxis> > i(aa2); i != i.end(); ++i) {
307 bool out =!static_cast<bool>(*i);
308 if (useUserMask) {
309 out = out && (*miter);
310 miter++;
311 }
312 mask.push_back(out);
313 }
314 return mask;
315}
316std::vector<float> SDMemTable::getSpectrum(Int whichRow) const
317{
318 std::vector<float> spectrum;
319 Array<Float> arr;
320 specCol_.get(whichRow, arr);
321 ArrayAccessor<Float, Axis<asap::BeamAxis> > aa0(arr);
322 aa0.reset(aa0.begin(uInt(beamSel_)));//go to beam
323 ArrayAccessor<Float, Axis<asap::IFAxis> > aa1(aa0);
324 aa1.reset(aa1.begin(uInt(IFSel_)));// go to IF
325 ArrayAccessor<Float, Axis<asap::PolAxis> > aa2(aa1);
326 aa2.reset(aa2.begin(uInt(polSel_)));// go to pol
327 for (ArrayAccessor<Float, Axis<asap::ChanAxis> > i(aa2); i != i.end(); ++i) {
328 spectrum.push_back(*i);
329 }
330 return spectrum;
331}
332std::vector<string> SDMemTable::getCoordInfo() const
333{
334 String un;
335 Table t = table_.keywordSet().asTable("FREQUENCIES");
336 String sunit;
337 t.keywordSet().get("UNIT",sunit);
338 String dpl;
339 t.keywordSet().get("DOPPLER",dpl);
340 if (dpl == "") dpl = "RADIO";
341 String rfrm;
342 t.keywordSet().get("REFFRAME",rfrm);
343 std::vector<string> inf;
344 inf.push_back(sunit);
345 inf.push_back(rfrm);
346 inf.push_back(dpl);
347 t.keywordSet().get("BASEREFFRAME",rfrm);
348 inf.push_back(rfrm);
349 return inf;
350}
351
352void SDMemTable::setCoordInfo(std::vector<string> theinfo)
353{
354 std::vector<string>::iterator it;
355 String un,rfrm, brfrm,dpl;
356 un = theinfo[0]; // Abcissa unit
357 rfrm = theinfo[1]; // Active (or conversion) frame
358 dpl = theinfo[2]; // Doppler
359 brfrm = theinfo[3]; // Base frame
360//
361 Table t = table_.rwKeywordSet().asTable("FREQUENCIES");
362//
363 Vector<Double> rstf;
364 t.keywordSet().get("RESTFREQS",rstf);
365//
366 Bool canDo = True;
367 Unit u1("km/s");Unit u2("Hz");
368 if (Unit(un) == u1) {
369 Vector<Double> rstf;
370 t.keywordSet().get("RESTFREQS",rstf);
371 if (rstf.nelements() == 0) {
372 throw(AipsError("Can't set unit to km/s if no restfrequencies are specified"));
373 }
374 } else if (Unit(un) != u2 && un != "") {
375 throw(AipsError("Unit not conformant with Spectral Coordinates"));
376 }
377 t.rwKeywordSet().define("UNIT", un);
378//
379 MFrequency::Types mdr;
380 if (!MFrequency::getType(mdr, rfrm)) {
381
382 Int a,b;const uInt* c;
383 const String* valid = MFrequency::allMyTypes(a, b, c);
384 String pfix = "Please specify a legal frame type. Types are\n";
385 throw(AipsError(pfix+(*valid)));
386 } else {
387 t.rwKeywordSet().define("REFFRAME",rfrm);
388 }
389//
390 MDoppler::Types dtype;
391 dpl.upcase();
392 if (!MDoppler::getType(dtype, dpl)) {
393 throw(AipsError("Doppler type unknown"));
394 } else {
395 t.rwKeywordSet().define("DOPPLER",dpl);
396 }
397//
398 if (!MFrequency::getType(mdr, brfrm)) {
399 Int a,b;const uInt* c;
400 const String* valid = MFrequency::allMyTypes(a, b, c);
401 String pfix = "Please specify a legal frame type. Types are\n";
402 throw(AipsError(pfix+(*valid)));
403 } else {
404 t.rwKeywordSet().define("BASEREFFRAME",brfrm);
405 }
406}
407
408
409std::vector<double> SDMemTable::getAbcissa(Int whichRow) const
410{
411 std::vector<double> abc(nChan());
412
413// Get header units keyword
414
415 Table t = table_.keywordSet().asTable("FREQUENCIES");
416 String sunit;
417 t.keywordSet().get("UNIT",sunit);
418 if (sunit == "") sunit = "pixel";
419 Unit u(sunit);
420
421// Easy if just wanting pixels
422
423 if (sunit==String("pixel")) {
424 // assume channels/pixels
425 std::vector<double>::iterator it;
426 uInt i=0;
427 for (it = abc.begin(); it != abc.end(); ++it) {
428 (*it) = Double(i++);
429 }
430//
431 return abc;
432 }
433
434// Continue with km/s or Hz. Get FreqID
435
436 Vector<uInt> freqIDs;
437 freqidCol_.get(whichRow, freqIDs);
438 uInt freqID = freqIDs(IFSel_);
439
440// Get SpectralCoordinate, set reference frame conversion,
441// velocity conversion, and rest freq state
442
443 SpectralCoordinate spc = getSpectralCoordinate(freqID, whichRow);
444//
445 Vector<Double> pixel(nChan());
446 indgen(pixel);
447//
448 if (u == Unit("km/s")) {
449 Vector<Double> world;
450 spc.pixelToVelocity(world,pixel);
451 std::vector<double>::iterator it;
452 uInt i = 0;
453 for (it = abc.begin(); it != abc.end(); ++it) {
454 (*it) = world[i];
455 i++;
456 }
457 } else if (u == Unit("Hz")) {
458
459// Set world axis units
460
461 Vector<String> wau(1); wau = u.getName();
462 spc.setWorldAxisUnits(wau);
463//
464 std::vector<double>::iterator it;
465 Double tmp;
466 uInt i = 0;
467 for (it = abc.begin(); it != abc.end(); ++it) {
468 spc.toWorld(tmp,pixel[i]);
469 (*it) = tmp;
470 i++;
471 }
472 }
473 return abc;
474}
475
476std::string SDMemTable::getAbcissaString(Int whichRow) const
477{
478 Table t = table_.keywordSet().asTable("FREQUENCIES");
479//
480 String sunit;
481 t.keywordSet().get("UNIT",sunit);
482 if (sunit == "") sunit = "pixel";
483 Unit u(sunit);
484//
485 Vector<uInt> freqIDs;
486 freqidCol_.get(whichRow, freqIDs);
487 uInt freqID = freqIDs(IFSel_);
488
489// Get SpectralCoordinate, with frame, velocity, rest freq state set
490
491 SpectralCoordinate spc = getSpectralCoordinate(freqID, whichRow);
492//
493 String s = "Channel";
494 if (u == Unit("km/s")) {
495 s = CoordinateUtil::axisLabel(spc,0,True,True,True);
496 } else if (u == Unit("Hz")) {
497 Vector<String> wau(1);wau = u.getName();
498 spc.setWorldAxisUnits(wau);
499//
500 s = CoordinateUtil::axisLabel(spc,0,True,True,False);
501 }
502 return s;
503}
504
505void SDMemTable::setSpectrum(std::vector<float> spectrum, int whichRow)
506{
507 Array<Float> arr;
508 specCol_.get(whichRow, arr);
509 if (spectrum.size() != arr.shape()(3)) {
510 throw(AipsError("Attempting to set spectrum with incorrect length."));
511 }
512
513 ArrayAccessor<Float, Axis<asap::BeamAxis> > aa0(arr);
514 aa0.reset(aa0.begin(uInt(beamSel_)));//go to beam
515 ArrayAccessor<Float, Axis<asap::IFAxis> > aa1(aa0);
516 aa1.reset(aa1.begin(uInt(IFSel_)));// go to IF
517 ArrayAccessor<Float, Axis<asap::PolAxis> > aa2(aa1);
518 aa2.reset(aa2.begin(uInt(polSel_)));// go to pol
519
520 std::vector<float>::iterator it = spectrum.begin();
521 for (ArrayAccessor<Float, Axis<asap::ChanAxis> > i(aa2); i != i.end(); ++i) {
522 (*i) = Float(*it);
523 it++;
524 }
525 specCol_.put(whichRow, arr);
526}
527
528void SDMemTable::getSpectrum(Vector<Float>& spectrum, Int whichRow) const
529{
530 Array<Float> arr;
531 specCol_.get(whichRow, arr);
532 spectrum.resize(arr.shape()(3));
533 ArrayAccessor<Float, Axis<asap::BeamAxis> > aa0(arr);
534 aa0.reset(aa0.begin(uInt(beamSel_)));//go to beam
535 ArrayAccessor<Float, Axis<asap::IFAxis> > aa1(aa0);
536 aa1.reset(aa1.begin(uInt(IFSel_)));// go to IF
537 ArrayAccessor<Float, Axis<asap::PolAxis> > aa2(aa1);
538 aa2.reset(aa2.begin(uInt(polSel_)));// go to pol
539
540 ArrayAccessor<Float, Axis<asap::BeamAxis> > va(spectrum);
541 for (ArrayAccessor<Float, Axis<asap::ChanAxis> > i(aa2); i != i.end(); ++i) {
542 (*va) = (*i);
543 va++;
544 }
545}
546/*
547void SDMemTable::getMask(Vector<Bool>& mask, Int whichRow) const {
548 Array<uChar> arr;
549 flagsCol_.get(whichRow, arr);
550 mask.resize(arr.shape()(3));
551
552 ArrayAccessor<uChar, Axis<asap::BeamAxis> > aa0(arr);
553 aa0.reset(aa0.begin(uInt(beamSel_)));//go to beam
554 ArrayAccessor<uChar, Axis<asap::IFAxis> > aa1(aa0);
555 aa1.reset(aa1.begin(uInt(IFSel_)));// go to IF
556 ArrayAccessor<uChar, Axis<asap::PolAxis> > aa2(aa1);
557 aa2.reset(aa2.begin(uInt(polSel_)));// go to pol
558
559 Bool useUserMask = ( chanMask_.size() == arr.shape()(3) );
560
561 ArrayAccessor<Bool, Axis<asap::BeamAxis> > va(mask);
562 std::vector<bool> tmp;
563 tmp = chanMask_; // WHY the fxxx do I have to make a copy here. The
564 // iterator should work on chanMask_??
565 std::vector<bool>::iterator miter;
566 miter = tmp.begin();
567
568 for (ArrayAccessor<uChar, Axis<asap::ChanAxis> > i(aa2); i != i.end(); ++i) {
569 bool out =!static_cast<bool>(*i);
570 if (useUserMask) {
571 out = out && (*miter);
572 miter++;
573 }
574 (*va) = out;
575 va++;
576 }
577}
578*/
579MaskedArray<Float> SDMemTable::rowAsMaskedArray(uInt whichRow,
580 Bool useSelection) const
581{
582 Array<Float> arr;
583 Array<uChar> farr;
584 specCol_.get(whichRow, arr);
585 flagsCol_.get(whichRow, farr);
586 Array<Bool> barr(farr.shape());convertArray(barr, farr);
587 MaskedArray<Float> marr;
588 if (useSelection) {
589 ArrayAccessor<Float, Axis<asap::BeamAxis> > aa0(arr);
590 aa0.reset(aa0.begin(uInt(beamSel_)));//go to beam
591 ArrayAccessor<Float, Axis<asap::IFAxis> > aa1(aa0);
592 aa1.reset(aa1.begin(uInt(IFSel_)));// go to IF
593 ArrayAccessor<Float, Axis<asap::PolAxis> > aa2(aa1);
594 aa2.reset(aa2.begin(uInt(polSel_)));// go to pol
595
596 ArrayAccessor<Bool, Axis<asap::BeamAxis> > baa0(barr);
597 baa0.reset(baa0.begin(uInt(beamSel_)));//go to beam
598 ArrayAccessor<Bool, Axis<asap::IFAxis> > baa1(baa0);
599 baa1.reset(baa1.begin(uInt(IFSel_)));// go to IF
600 ArrayAccessor<Bool, Axis<asap::PolAxis> > baa2(baa1);
601 baa2.reset(baa2.begin(uInt(polSel_)));// go to pol
602
603 Vector<Float> a(arr.shape()(3));
604 Vector<Bool> b(barr.shape()(3));
605 ArrayAccessor<Float, Axis<asap::BeamAxis> > a0(a);
606 ArrayAccessor<Bool, Axis<asap::BeamAxis> > b0(b);
607
608 ArrayAccessor<Bool, Axis<asap::ChanAxis> > j(baa2);
609 for (ArrayAccessor<Float, Axis<asap::ChanAxis> > i(aa2);
610 i != i.end(); ++i) {
611 (*a0) = (*i);
612 (*b0) = !(*j);
613 j++;
614 a0++;
615 b0++;
616 }
617 marr.setData(a,b);
618 } else {
619 marr.setData(arr,!barr);
620 }
621 return marr;
622}
623
624Float SDMemTable::getTsys(Int whichRow) const
625{
626 Array<Float> arr;
627 tsCol_.get(whichRow, arr);
628 Float out;
629 IPosition ip(arr.shape());
630 ip(0) = beamSel_;ip(1) = IFSel_;ip(2) = polSel_;ip(3)=0;
631 out = arr(ip);
632 return out;
633}
634
635MDirection SDMemTable::getDirection(Int whichRow, Bool refBeam) const
636{
637 MDirection::Types mdr = getDirectionReference();
638 Array<Double> posit;
639 dirCol_.get(whichRow,posit);
640 Vector<Double> wpos(2);
641 wpos[0] = posit(IPosition(2,beamSel_,0));
642 wpos[1] = posit(IPosition(2,beamSel_,1));
643 Quantum<Double> lon(wpos[0],Unit(String("rad")));
644 Quantum<Double> lat(wpos[1],Unit(String("rad")));
645 return MDirection(lon, lat, mdr);
646}
647
648MEpoch SDMemTable::getEpoch (Int whichRow) const
649{
650 MEpoch::Types met = getTimeReference();
651//
652 Double obstime;
653 timeCol_.get(whichRow,obstime);
654 MVEpoch tm2(Quantum<Double>(obstime, Unit(String("d"))));
655 return MEpoch(tm2, met);
656}
657
658MPosition SDMemTable::getAntennaPosition () const
659{
660 Vector<Double> antpos;
661 table_.keywordSet().get("AntennaPosition", antpos);
662 MVPosition mvpos(antpos(0),antpos(1),antpos(2));
663 return MPosition(mvpos);
664}
665
666
667SpectralCoordinate SDMemTable::getSpectralCoordinate(uInt freqID) const
668{
669
670 Table t = table_.keywordSet().asTable("FREQUENCIES");
671 if (freqID> t.nrow() ) {
672 throw(AipsError("SDMemTable::getSpectralCoordinate - freqID out of range"));
673 }
674
675 Double rp,rv,inc;
676 String rf;
677 ROScalarColumn<Double> rpc(t, "REFPIX");
678 ROScalarColumn<Double> rvc(t, "REFVAL");
679 ROScalarColumn<Double> incc(t, "INCREMENT");
680 t.keywordSet().get("BASEREFFRAME",rf);
681
682// Create SpectralCoordinate (units Hz)
683
684 MFrequency::Types mft;
685 if (!MFrequency::getType(mft, rf)) {
686 cerr << "Frequency type unknown assuming TOPO" << endl;
687 mft = MFrequency::TOPO;
688 }
689 rpc.get(freqID, rp);
690 rvc.get(freqID, rv);
691 incc.get(freqID, inc);
692//
693 SpectralCoordinate spec(mft,rv,inc,rp);
694//
695 return spec;
696}
697
698
699SpectralCoordinate SDMemTable::getSpectralCoordinate(uInt freqID, uInt whichRow) const
700{
701// Create basic SC
702
703 SpectralCoordinate spec = getSpectralCoordinate (freqID);
704//
705 Table t = table_.keywordSet().asTable("FREQUENCIES");
706
707// Get rest frequencies from table, one per IF ???
708
709 Vector<Double> vec;
710 t.keywordSet().get("RESTFREQS",vec);
711 if (vec.nelements() > 0) {
712 spec.setRestFrequencies(vec);
713
714// Select rest freq
715
716 if (IFSel_ < vec.nelements()) {
717 spec.selectRestFrequency(uInt(IFSel_));
718 } else {
719 cerr << "There is no rest frequency for this IF; selecting rest freq for IF=0" << endl;
720 spec.selectRestFrequency(0u);
721 }
722 }
723
724// Set up frame conversion layer
725
726 String frm;
727 t.keywordSet().get("REFFRAME",frm);
728 if (frm == "") frm = "TOPO";
729 MFrequency::Types mtype;
730 if (!MFrequency::getType(mtype, frm)) {
731 cerr << "Frequency type unknown assuming TOPO" << endl; // SHould never happen
732 mtype = MFrequency::TOPO;
733 }
734
735// Set reference frame conversion (requires row)
736
737 MDirection direct = getDirection(whichRow);
738 MEpoch epoch = getEpoch(whichRow);
739 MPosition pos = getAntennaPosition();
740 if (!spec.setReferenceConversion(mtype,epoch,pos,direct)) {
741 throw(AipsError("Couldn't convert frequency frame."));
742 }
743
744// Now velocity conversion if appropriate
745
746 String unitStr;
747 t.keywordSet().get("UNIT",unitStr);
748//
749 String dpl;
750 t.keywordSet().get("DOPPLER",dpl);
751 MDoppler::Types dtype;
752 MDoppler::getType(dtype, dpl);
753
754// Only set velocity unit if non-blank and non-Hz
755
756 if (!unitStr.empty()) {
757 Unit unitU(unitStr);
758 if (unitU==Unit("Hz")) {
759 } else {
760 spec.setVelocity(unitStr, dtype);
761 }
762 }
763//
764 return spec;
765}
766
767
768Bool SDMemTable::setCoordinate(const SpectralCoordinate& speccord,
769 uInt freqID) {
770 Table t = table_.rwKeywordSet().asTable("FREQUENCIES");
771 if (freqID > t.nrow() ) {
772 throw(AipsError("SDMemTable::setCoordinate - coord no out of range"));
773 }
774 ScalarColumn<Double> rpc(t, "REFPIX");
775 ScalarColumn<Double> rvc(t, "REFVAL");
776 ScalarColumn<Double> incc(t, "INCREMENT");
777
778 rpc.put(freqID, speccord.referencePixel()[0]);
779 rvc.put(freqID, speccord.referenceValue()[0]);
780 incc.put(freqID, speccord.increment()[0]);
781
782 return True;
783}
784
785Int SDMemTable::nCoordinates() const
786{
787 return table_.keywordSet().asTable("FREQUENCIES").nrow();
788}
789
790void SDMemTable::setRestFreqs(std::vector<double> freqs,
791 const std::string& theunit)
792{
793 Vector<Double> tvec(freqs);
794 Quantum<Vector<Double> > q(tvec, String(theunit));
795 tvec.resize();
796 tvec = q.getValue("Hz");
797 Table t = table_.keywordSet().asTable("FREQUENCIES");
798 t.rwKeywordSet().define("RESTFREQS",tvec);
799}
800
801std::vector<double> SDMemTable::getRestFreqs() const
802{
803 Table t = table_.keywordSet().asTable("FREQUENCIES");
804 Vector<Double> tvec;
805 t.keywordSet().get("RESTFREQS",tvec);
806 std::vector<double> stlout;
807 tvec.tovector(stlout);
808 return stlout;
809}
810
811bool SDMemTable::putSDFreqTable(const SDFrequencyTable& sdft)
812{
813 TableDesc td("", "1", TableDesc::Scratch);
814 td.addColumn(ScalarColumnDesc<Double>("REFPIX"));
815 td.addColumn(ScalarColumnDesc<Double>("REFVAL"));
816 td.addColumn(ScalarColumnDesc<Double>("INCREMENT"));
817 SetupNewTable aNewTab("freqs", td, Table::New);
818 Table aTable (aNewTab, Table::Memory, sdft.length());
819 ScalarColumn<Double> sc0(aTable, "REFPIX");
820 ScalarColumn<Double> sc1(aTable, "REFVAL");
821 ScalarColumn<Double> sc2(aTable, "INCREMENT");
822 for (uInt i=0; i < sdft.length(); ++i) {
823 sc0.put(i,sdft.referencePixel(i));
824 sc1.put(i,sdft.referenceValue(i));
825 sc2.put(i,sdft.increment(i));
826 }
827 String rf = sdft.refFrame();
828 if (rf.contains("TOPO")) rf = "TOPO";
829
830 aTable.rwKeywordSet().define("BASEREFFRAME", rf);
831 aTable.rwKeywordSet().define("REFFRAME", rf);
832 aTable.rwKeywordSet().define("EQUINOX", sdft.equinox());
833 aTable.rwKeywordSet().define("UNIT", String(""));
834 aTable.rwKeywordSet().define("DOPPLER", String("RADIO"));
835 Vector<Double> rfvec;
836 String rfunit;
837 sdft.restFrequencies(rfvec,rfunit);
838 Quantum<Vector<Double> > q(rfvec, rfunit);
839 rfvec.resize();
840 rfvec = q.getValue("Hz");
841 aTable.rwKeywordSet().define("RESTFREQS", rfvec);
842 table_.rwKeywordSet().defineTable ("FREQUENCIES", aTable);
843 return True;
844}
845
846SDFrequencyTable SDMemTable::getSDFreqTable() const
847{
848 const Table& t = table_.keywordSet().asTable("FREQUENCIES");
849 SDFrequencyTable sdft;
850
851// Add refpix/refval/incr. What are the units ? Hz I suppose
852// but it's nowhere described...
853
854 Vector<Double> refPix, refVal, incr;
855 ScalarColumn<Double> refPixCol(t, "REFPIX");
856 ScalarColumn<Double> refValCol(t, "REFVAL");
857 ScalarColumn<Double> incrCol(t, "INCREMENT");
858 refPix = refPixCol.getColumn();
859 refVal = refValCol.getColumn();
860 incr = incrCol.getColumn();
861//
862 uInt n = refPix.nelements();
863 for (uInt i=0; i<n; i++) {
864 sdft.addFrequency(refPix[i], refVal[i], incr[i]);
865 }
866
867// Frequency reference frame. I don't know if this
868// is the correct frame. It might be 'REFFRAME'
869// rather than 'BASEREFFRAME' ?
870
871 String baseFrame;
872 t.keywordSet().get("BASEREFFRAME",baseFrame);
873 sdft.setRefFrame(baseFrame);
874
875// Equinox
876
877 Float equinox;
878 t.keywordSet().get("EQUINOX", equinox);
879 sdft.setEquinox(equinox);
880
881// Rest Frequency
882
883 Vector<Double> restFreqs;
884 t.keywordSet().get("RESTFREQS", restFreqs);
885 for (uInt i=0; i<restFreqs.nelements(); i++) {
886 sdft.addRestFrequency(restFreqs[i]);
887 }
888 sdft.setRestFrequencyUnit(String("Hz"));
889//
890 return sdft;
891}
892
893bool SDMemTable::putSDContainer(const SDContainer& sdc)
894{
895 uInt rno = table_.nrow();
896 table_.addRow();
897
898// mjd.put(rno, sdc.timestamp);
899 timeCol_.put(rno, sdc.timestamp);
900 srcnCol_.put(rno, sdc.sourcename);
901 fldnCol_.put(rno, sdc.fieldname);
902 specCol_.put(rno, sdc.getSpectrum());
903 flagsCol_.put(rno, sdc.getFlags());
904 tsCol_.put(rno, sdc.getTsys());
905 scanCol_.put(rno, sdc.scanid);
906 integrCol_.put(rno, sdc.interval);
907 freqidCol_.put(rno, sdc.getFreqMap());
908 dirCol_.put(rno, sdc.getDirection());
909 rbeamCol_.put(rno, sdc.refbeam);
910 tcalCol_.put(rno, sdc.tcal);
911 tcaltCol_.put(rno, sdc.tcaltime);
912 azCol_.put(rno, sdc.azimuth);
913 elCol_.put(rno, sdc.elevation);
914 paraCol_.put(rno, sdc.parangle);
915 histCol_.put(rno, sdc.getHistory());
916
917 return true;
918}
919
920SDContainer SDMemTable::getSDContainer(uInt whichRow) const
921{
922 SDContainer sdc(nBeam(),nIF(),nPol(),nChan());
923 timeCol_.get(whichRow, sdc.timestamp);
924 srcnCol_.get(whichRow, sdc.sourcename);
925 integrCol_.get(whichRow, sdc.interval);
926 scanCol_.get(whichRow, sdc.scanid);
927 fldnCol_.get(whichRow, sdc.fieldname);
928 rbeamCol_.get(whichRow, sdc.refbeam);
929 azCol_.get(whichRow, sdc.azimuth);
930 elCol_.get(whichRow, sdc.elevation);
931 paraCol_.get(whichRow, sdc.parangle);
932 Vector<Float> tc;
933 tcalCol_.get(whichRow, tc);
934 sdc.tcal[0] = tc[0];sdc.tcal[1] = tc[1];
935 tcaltCol_.get(whichRow, sdc.tcaltime);
936 Array<Float> spectrum;
937 Array<Float> tsys;
938 Array<uChar> flagtrum;
939 Vector<uInt> fmap;
940 Array<Double> direction;
941 Vector<String> histo;
942 specCol_.get(whichRow, spectrum);
943 sdc.putSpectrum(spectrum);
944 flagsCol_.get(whichRow, flagtrum);
945 sdc.putFlags(flagtrum);
946 tsCol_.get(whichRow, tsys);
947 sdc.putTsys(tsys);
948 freqidCol_.get(whichRow, fmap);
949 sdc.putFreqMap(fmap);
950 dirCol_.get(whichRow, direction);
951 sdc.putDirection(direction);
952 histCol_.get(whichRow, histo);
953 sdc.putHistory(histo);
954 return sdc;
955}
956
957bool SDMemTable::putSDHeader(const SDHeader& sdh)
958{
959 table_.rwKeywordSet().define("nIF", sdh.nif);
960 table_.rwKeywordSet().define("nBeam", sdh.nbeam);
961 table_.rwKeywordSet().define("nPol", sdh.npol);
962 table_.rwKeywordSet().define("nChan", sdh.nchan);
963 table_.rwKeywordSet().define("Observer", sdh.observer);
964 table_.rwKeywordSet().define("Project", sdh.project);
965 table_.rwKeywordSet().define("Obstype", sdh.obstype);
966 table_.rwKeywordSet().define("AntennaName", sdh.antennaname);
967 table_.rwKeywordSet().define("AntennaPosition", sdh.antennaposition);
968 table_.rwKeywordSet().define("Equinox", sdh.equinox);
969 table_.rwKeywordSet().define("FreqRefFrame", sdh.freqref);
970 table_.rwKeywordSet().define("FreqRefVal", sdh.reffreq);
971 table_.rwKeywordSet().define("Bandwidth", sdh.bandwidth);
972 table_.rwKeywordSet().define("UTC", sdh.utc);
973 table_.rwKeywordSet().define("FluxUnit", sdh.fluxunit);
974 table_.rwKeywordSet().define("Epoch", sdh.epoch);
975 return true;
976}
977
978SDHeader SDMemTable::getSDHeader() const
979{
980 SDHeader sdh;
981 table_.keywordSet().get("nBeam",sdh.nbeam);
982 table_.keywordSet().get("nIF",sdh.nif);
983 table_.keywordSet().get("nPol",sdh.npol);
984 table_.keywordSet().get("nChan",sdh.nchan);
985 table_.keywordSet().get("Observer", sdh.observer);
986 table_.keywordSet().get("Project", sdh.project);
987 table_.keywordSet().get("Obstype", sdh.obstype);
988 table_.keywordSet().get("AntennaName", sdh.antennaname);
989 table_.keywordSet().get("AntennaPosition", sdh.antennaposition);
990 table_.keywordSet().get("Equinox", sdh.equinox);
991 table_.keywordSet().get("FreqRefFrame", sdh.freqref);
992 table_.keywordSet().get("FreqRefVal", sdh.reffreq);
993 table_.keywordSet().get("Bandwidth", sdh.bandwidth);
994 table_.keywordSet().get("UTC", sdh.utc);
995 table_.keywordSet().get("FluxUnit", sdh.fluxunit);
996 table_.keywordSet().get("Epoch", sdh.epoch);
997 return sdh;
998}
999void SDMemTable::makePersistent(const std::string& filename)
1000{
1001 table_.deepCopy(filename,Table::New);
1002}
1003
1004Int SDMemTable::nScan() const {
1005 Int n = 0;
1006 Int previous = -1;Int current=0;
1007 for (uInt i=0; i< scanCol_.nrow();i++) {
1008 scanCol_.getScalar(i,current);
1009 if (previous != current) {
1010 previous = current;
1011 n++;
1012 }
1013 }
1014 return n;
1015}
1016
1017String SDMemTable::formatSec(Double x) const
1018{
1019 Double xcop = x;
1020 MVTime mvt(xcop/24./3600.); // make days
1021
1022 if (x < 59.95)
1023 return String(" ") + mvt.string(MVTime::TIME_CLEAN_NO_HM, 7)+"s";
1024 else if (x < 3599.95)
1025 return String(" ") + mvt.string(MVTime::TIME_CLEAN_NO_H,7)+" ";
1026 else {
1027 ostringstream oss;
1028 oss << setw(2) << std::right << setprecision(1) << mvt.hour();
1029 oss << ":" << mvt.string(MVTime::TIME_CLEAN_NO_H,7) << " ";
1030 return String(oss);
1031 }
1032};
1033
1034String SDMemTable::formatDirection(const MDirection& md) const
1035{
1036 Vector<Double> t = md.getAngle(Unit(String("rad"))).getValue();
1037 Int prec = 7;
1038
1039 MVAngle mvLon(t[0]);
1040 String sLon = mvLon.string(MVAngle::TIME,prec);
1041 MVAngle mvLat(t[1]);
1042 String sLat = mvLat.string(MVAngle::ANGLE+MVAngle::DIG2,prec);
1043
1044 return sLon + String(" ") + sLat;
1045}
1046
1047
1048std::string SDMemTable::getFluxUnit() const
1049{
1050 String tmp;
1051 table_.keywordSet().get("FluxUnit", tmp);
1052 return tmp;
1053}
1054
1055void SDMemTable::setFluxUnit(const std::string& unit)
1056{
1057 String tmp(unit);
1058 Unit tU(tmp);
1059 if (tU==Unit("K") || tU==Unit("Jy")) {
1060 table_.rwKeywordSet().define(String("FluxUnit"), tmp);
1061 } else {
1062 throw AipsError("Illegal unit - must be compatible with Jy or K");
1063 }
1064}
1065
1066
1067void SDMemTable::setInstrument(const std::string& name)
1068{
1069 Bool throwIt = True;
1070 Instrument ins = convertInstrument (name, throwIt);
1071 String nameU(name);
1072 nameU.upcase();
1073 table_.rwKeywordSet().define(String("AntennaName"), nameU);
1074}
1075
1076std::string SDMemTable::summary() const {
1077
1078 ostringstream oss;
1079 oss << endl;
1080 oss << "--------------------------------------------------" << endl;
1081 oss << " Scan Table Summary" << endl;
1082 oss << "--------------------------------------------------" << endl;
1083 oss.flags(std::ios_base::left);
1084 oss << setw(15) << "Beams:" << setw(4) << nBeam() << endl
1085 << setw(15) << "IFs:" << setw(4) << nIF() << endl
1086 << setw(15) << "Polarisations:" << setw(4) << nPol() << endl
1087 << setw(15) << "Channels:" << setw(4) << nChan() << endl;
1088 oss << endl;
1089 String tmp;
1090 table_.keywordSet().get("Observer", tmp);
1091 oss << setw(15) << "Observer:" << tmp << endl;
1092 oss << setw(15) << "Obs Date:" << getTime(-1,True) << endl;
1093 table_.keywordSet().get("Project", tmp);
1094 oss << setw(15) << "Project:" << tmp << endl;
1095 table_.keywordSet().get("Obstype", tmp);
1096 oss << setw(15) << "Obs. Type:" << tmp << endl;
1097 table_.keywordSet().get("AntennaName", tmp);
1098 oss << setw(15) << "Antenna Name:" << tmp << endl;
1099 table_.keywordSet().get("FluxUnit", tmp);
1100 oss << setw(15) << "Flux Unit:" << tmp << endl;
1101 Table t = table_.keywordSet().asTable("FREQUENCIES");
1102 Vector<Double> vec;
1103 t.keywordSet().get("RESTFREQS",vec);
1104 oss << setw(15) << "Rest Freqs:";
1105 if (vec.nelements() > 0) {
1106 oss << setprecision(0) << vec << " [Hz]" << endl;
1107 } else {
1108 oss << "None set" << endl;
1109 }
1110 oss << setw(15) << "Abcissa:" << getAbcissaString() << endl;
1111 oss << setw(15) << "Cursor:" << "Beam[" << getBeam() << "] "
1112 << "IF[" << getIF() << "] " << "Pol[" << getPol() << "]" << endl;
1113 oss << endl;
1114//
1115 String dirtype ="Position ("+
1116 MDirection::showType(getDirectionReference())+
1117 ")";
1118 oss << setw(6) << "Scan"
1119 << setw(15) << "Source"
1120 << setw(26) << dirtype
1121 << setw(10) << "Time"
1122 << setw(18) << "Integration"
1123 << setw(10) << "FreqIDs" << endl;
1124 oss << "----------------------------------------------------------------------------------" << endl;
1125
1126//
1127 uInt scanNo = 0;
1128 String name;
1129 Int lastScanID = 0;
1130 Int scanID;
1131 uInt firstRow = 0;
1132 Vector<uInt> freqIDs, listFQ;
1133//
1134 uInt nRow = scanCol_.nrow();
1135 for (uInt i=0; i<nRow; i++) {
1136 scanCol_.getScalar(i,scanID);
1137 freqidCol_.get(i, freqIDs);
1138//
1139 if (i>0 && (i==nRow-1 || scanID!=lastScanID)) {
1140 srcnCol_.getScalar(firstRow,name);
1141 String t = formatSec(Double(getInterval(firstRow)));
1142 String posit = formatDirection(getDirection(firstRow,True));
1143 uInt nInt = (i-firstRow);
1144
1145// Special case adjustments
1146
1147 if (i==nRow-1 &&scanID==lastScanID) nInt++;
1148 if (nInt==1 && i>1) {
1149 for (uInt j=0; j<freqIDs.nelements(); j++) mathutil::addEntry(listFQ, freqIDs(j));
1150 }
1151//
1152 oss << setw(6) << scanNo
1153 << setw(15) << name
1154 << setw(26) << posit
1155 << setw(10) << getTime(firstRow,False)
1156 << setw(3) << nInt << setw(3) << " x " << setw(6) << t
1157 << " " << listFQ << endl;
1158//
1159 lastScanID = scanID;
1160 firstRow = i;
1161 scanNo++;
1162 listFQ.resize(0);
1163 } else {
1164 for (uInt j=0; j<freqIDs.nelements(); j++) mathutil::addEntry(listFQ, freqIDs(j));
1165 }
1166 }
1167 oss << endl;
1168 oss << "Table contains " << table_.nrow() << " integration(s) in " << scanNo << " scan(s)." << endl;
1169
1170// Frequency Table
1171
1172 std::vector<string> info = getCoordInfo();
1173 SDFrequencyTable sdft = getSDFreqTable();
1174 oss << endl << endl;
1175 oss << "FreqID Frame RefFreq(Hz) RefPix Increment(Hz)" << endl;
1176 oss << "----------------------------------------------------------------------------------" << endl;
1177 for (uInt i=0; i<sdft.length(); i++) {
1178 oss << setw(8) << i << setw(8)
1179 << info[3] << setw(16) << setprecision (8)
1180 << sdft.referenceValue(i) << setw(10)
1181 << sdft.referencePixel(i) << setw(12)
1182 << sdft.increment(i) << endl;
1183 }
1184 oss << "----------------------------------------------------------------------------------" << endl;
1185 return String(oss);
1186}
1187
1188Int SDMemTable::nBeam() const
1189{
1190 Int n;
1191 table_.keywordSet().get("nBeam",n);
1192 return n;
1193}
1194Int SDMemTable::nIF() const {
1195 Int n;
1196 table_.keywordSet().get("nIF",n);
1197 return n;
1198}
1199Int SDMemTable::nPol() const {
1200 Int n;
1201 table_.keywordSet().get("nPol",n);
1202 return n;
1203}
1204Int SDMemTable::nChan() const {
1205 Int n;
1206 table_.keywordSet().get("nChan",n);
1207 return n;
1208}
1209bool SDMemTable::appendHistory(const std::string& hist, int whichRow)
1210{
1211 Vector<String> history;
1212 histCol_.get(whichRow, history);
1213 history.resize(history.nelements()+1,True);
1214 history[history.nelements()-1] = hist;
1215 histCol_.put(whichRow, history);
1216}
1217
1218std::vector<std::string> SDMemTable::history(int whichRow) const
1219{
1220 Vector<String> history;
1221 histCol_.get(whichRow, history);
1222 std::vector<std::string> stlout;
1223 // there is no Array<String>.tovector(std::vector<std::string>), so
1224 // do it by hand
1225 for (uInt i=0; i<history.nelements(); ++i) {
1226 stlout.push_back(history[i]);
1227 }
1228 return stlout;
1229}
1230/*
1231void SDMemTable::maskChannels(const std::vector<Int>& whichChans ) {
1232
1233 std::vector<int>::iterator it;
1234 ArrayAccessor<uChar, Axis<asap::PolAxis> > j(flags_);
1235 for (it = whichChans.begin(); it != whichChans.end(); it++) {
1236 j.reset(j.begin(uInt(*it)));
1237 for (ArrayAccessor<uChar, Axis<asap::BeamAxis> > i(j); i != i.end(); ++i) {
1238 for (ArrayAccessor<uChar, Axis<asap::IFAxis> > ii(i); ii != ii.end(); ++ii) {
1239 for (ArrayAccessor<uChar, Axis<asap::ChanAxis> > iii(ii);
1240 iii != iii.end(); ++iii) {
1241 (*iii) =
1242 }
1243 }
1244 }
1245 }
1246
1247}
1248*/
1249void SDMemTable::flag(int whichRow)
1250{
1251 Array<uChar> arr;
1252 flagsCol_.get(whichRow, arr);
1253
1254 ArrayAccessor<uChar, Axis<asap::BeamAxis> > aa0(arr);
1255 aa0.reset(aa0.begin(uInt(beamSel_)));//go to beam
1256 ArrayAccessor<uChar, Axis<asap::IFAxis> > aa1(aa0);
1257 aa1.reset(aa1.begin(uInt(IFSel_)));// go to IF
1258 ArrayAccessor<uChar, Axis<asap::PolAxis> > aa2(aa1);
1259 aa2.reset(aa2.begin(uInt(polSel_)));// go to pol
1260
1261 for (ArrayAccessor<uChar, Axis<asap::ChanAxis> > i(aa2); i != i.end(); ++i) {
1262 (*i) = uChar(True);
1263 }
1264
1265 flagsCol_.put(whichRow, arr);
1266}
1267
1268MDirection::Types SDMemTable::getDirectionReference() const
1269{
1270 Float eq;
1271 table_.keywordSet().get("Equinox",eq);
1272 std::map<float,string> mp;
1273 mp[2000.0] = "J2000";
1274 mp[1950.0] = "B1950";
1275 MDirection::Types mdr;
1276 if (!MDirection::getType(mdr, mp[eq])) {
1277 mdr = MDirection::J2000;
1278 cerr << "Unknown equinox using J2000" << endl;
1279 }
1280//
1281 return mdr;
1282}
1283
1284MEpoch::Types SDMemTable::getTimeReference () const
1285{
1286 MEpoch::Types met;
1287 String ep;
1288 table_.keywordSet().get("Epoch",ep);
1289 if (!MEpoch::getType(met, ep)) {
1290 cerr << "Epoch type uknown - using UTC" << endl;
1291 met = MEpoch::UTC;
1292 }
1293//
1294 return met;
1295}
1296
1297
1298Instrument SDMemTable::convertInstrument (const String& instrument,
1299 Bool throwIt)
1300{
1301 String t(instrument);
1302 t.upcase();
1303
1304// The strings are what SDReader returns, after cunning interrogation
1305// of station names... :-(
1306
1307 Instrument inst = asap::UNKNOWN;
1308 if (t==String("DSS-43")) {
1309 inst = TIDBINBILLA;
1310 } else if (t==String("ATPKSMB")) {
1311 inst = ATPKSMB;
1312 } else if (t==String("ATPKSHOH")) {
1313 inst = ATPKSHOH;
1314 } else if (t==String("ATMOPRA")) {
1315 inst = ATMOPRA;
1316 } else if (t==String("CEDUNA")) {
1317 inst = CEDUNA;
1318 } else if (t==String("HOBART")) {
1319 inst = HOBART;
1320 } else {
1321 if (throwIt) {
1322 throw AipsError("Unrecognized instrument - use function scan.set_instrument to set");
1323 }
1324 }
1325 return inst;
1326}
1327
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