source: trunk/src/SDMemTable.cc@ 270

Last change on this file since 270 was 263, checked in by kil064, 20 years ago

add base frame as well to function getCoordInfoI()
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File size: 33.6 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
44#include <tables/Tables/TableParse.h>
45#include <tables/Tables/TableDesc.h>
46#include <tables/Tables/SetupNewTab.h>
47#include <tables/Tables/ScaColDesc.h>
48#include <tables/Tables/ArrColDesc.h>
49
50#include <tables/Tables/ExprNode.h>
51#include <tables/Tables/ScalarColumn.h>
52#include <tables/Tables/ArrayColumn.h>
53#include <tables/Tables/TableRecord.h>
54#include <measures/Measures/MFrequency.h>
55#include <measures/Measures/MeasTable.h>
56#include <coordinates/Coordinates/CoordinateUtil.h>
57#include <casa/Quanta/MVTime.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}
74
75SDMemTable::SDMemTable(const std::string& name) :
76 IFSel_(0),
77 beamSel_(0),
78 polSel_(0)
79{
80 Table tab(name);
81 table_ = tab.copyToMemoryTable("dummy");
82 //cerr << "hello from C SDMemTable @ " << this << endl;
83}
84
85SDMemTable::SDMemTable(const SDMemTable& other, Bool clear)
86{
87 IFSel_= other.IFSel_;
88 beamSel_= other.beamSel_;
89 polSel_= other.polSel_;
90 chanMask_ = other.chanMask_;
91 table_ = other.table_.copyToMemoryTable(String("dummy"));
92 // clear all rows()
93 if (clear) {
94 table_.removeRow(this->table_.rowNumbers());
95 } else {
96 IFSel_ = other.IFSel_;
97 beamSel_ = other.beamSel_;
98 polSel_ = other.polSel_;
99 }
100 //cerr << "hello from CC SDMemTable @ " << this << endl;
101}
102
103SDMemTable::SDMemTable(const Table& tab, const std::string& exprs) :
104 IFSel_(0),
105 beamSel_(0),
106 polSel_(0)
107{
108 Table t = tableCommand(exprs,tab);
109 if (t.nrow() == 0)
110 throw(AipsError("Query unsuccessful."));
111 table_ = t.copyToMemoryTable("dummy");
112}
113
114SDMemTable::~SDMemTable()
115{
116 //cerr << "goodbye from SDMemTable @ " << this << endl;
117}
118
119SDMemTable SDMemTable::getScan(Int scanID) const
120{
121 String cond("SELECT * from $1 WHERE SCANID == ");
122 cond += String::toString(scanID);
123 return SDMemTable(table_, cond);
124}
125
126SDMemTable &SDMemTable::operator=(const SDMemTable& other)
127{
128 if (this != &other) {
129 IFSel_= other.IFSel_;
130 beamSel_= other.beamSel_;
131 polSel_= other.polSel_;
132 chanMask_.resize(0);
133 chanMask_ = other.chanMask_;
134 table_ = other.table_.copyToMemoryTable(String("dummy"));
135 }
136 //cerr << "hello from ASS SDMemTable @ " << this << endl;
137 return *this;
138}
139
140SDMemTable SDMemTable::getSource(const std::string& source) const
141{
142 String cond("SELECT * from $1 WHERE SRCNAME == ");
143 cond += source;
144 return SDMemTable(table_, cond);
145}
146
147void SDMemTable::setup()
148{
149 TableDesc td("", "1", TableDesc::Scratch);
150 td.comment() = "A SDMemTable";
151 td.addColumn(ScalarColumnDesc<Double>("TIME"));
152 td.addColumn(ScalarColumnDesc<String>("SRCNAME"));
153 td.addColumn(ArrayColumnDesc<Float>("SPECTRA"));
154 td.addColumn(ArrayColumnDesc<uChar>("FLAGTRA"));
155 td.addColumn(ArrayColumnDesc<Float>("TSYS"));
156 td.addColumn(ScalarColumnDesc<Int>("SCANID"));
157 td.addColumn(ScalarColumnDesc<Double>("INTERVAL"));
158 td.addColumn(ArrayColumnDesc<uInt>("FREQID"));
159 td.addColumn(ArrayColumnDesc<Double>("DIRECTION"));
160 td.addColumn(ScalarColumnDesc<String>("FIELDNAME"));
161 td.addColumn(ScalarColumnDesc<String>("TCALTIME"));
162 td.addColumn(ArrayColumnDesc<Float>("TCAL"));
163 td.addColumn(ScalarColumnDesc<Float>("AZIMUTH"));
164 td.addColumn(ScalarColumnDesc<Float>("ELEVATION"));
165 td.addColumn(ScalarColumnDesc<Float>("PARANGLE"));
166 td.addColumn(ScalarColumnDesc<Int>("REFBEAM"));
167 td.addColumn(ArrayColumnDesc<String>("HISTORY"));
168
169 // Now create a new table from the description.
170
171 SetupNewTable aNewTab("dummy", td, Table::New);
172 table_ = Table(aNewTab, Table::Memory, 0);
173}
174
175std::string SDMemTable::getSourceName(Int whichRow) const
176{
177 ROScalarColumn<String> src(table_, "SRCNAME");
178 String name;
179 src.get(whichRow, name);
180 return name;
181}
182
183std::string SDMemTable::getTime(Int whichRow) const
184{
185 ROScalarColumn<Double> src(table_, "TIME");
186 Double tm;
187 src.get(whichRow, tm);
188 MVTime mvt(tm);
189 mvt.setFormat(MVTime::TIME);
190 ostringstream oss;
191 oss << mvt;
192 String str(oss);
193 return str;
194}
195double SDMemTable::getInterval(Int whichRow) const
196{
197 ROScalarColumn<Double> src(table_, "INTERVAL");
198 Double intval;
199 src.get(whichRow, intval);
200 return intval;
201}
202
203bool SDMemTable::setIF(Int whichIF)
204{
205 if ( whichIF >= 0 && whichIF < nIF()) {
206 IFSel_ = whichIF;
207 return true;
208 }
209 return false;
210}
211
212bool SDMemTable::setBeam(Int whichBeam)
213{
214 if ( whichBeam >= 0 && whichBeam < nBeam()) {
215 beamSel_ = whichBeam;
216 return true;
217 }
218 return false;
219}
220
221bool SDMemTable::setPol(Int whichPol)
222{
223 if ( whichPol >= 0 && whichPol < nPol()) {
224 polSel_ = whichPol;
225 return true;
226 }
227 return false;
228}
229
230bool SDMemTable::setMask(std::vector<int> whichChans)
231{
232 ROArrayColumn<uChar> spec(table_, "FLAGTRA");
233 std::vector<int>::iterator it;
234 uInt n = spec.shape(0)(3);
235 if (whichChans.empty()) {
236 chanMask_ = std::vector<bool>(n,true);
237 return true;
238 }
239 chanMask_.resize(n,true);
240 for (it = whichChans.begin(); it != whichChans.end(); ++it) {
241 if (*it < n) {
242 chanMask_[*it] = false;
243 }
244 }
245 return true;
246}
247
248std::vector<bool> SDMemTable::getMask(Int whichRow) const {
249 std::vector<bool> mask;
250 ROArrayColumn<uChar> spec(table_, "FLAGTRA");
251 Array<uChar> arr;
252 spec.get(whichRow, arr);
253 ArrayAccessor<uChar, Axis<asap::BeamAxis> > aa0(arr);
254 aa0.reset(aa0.begin(uInt(beamSel_)));//go to beam
255 ArrayAccessor<uChar, Axis<asap::IFAxis> > aa1(aa0);
256 aa1.reset(aa1.begin(uInt(IFSel_)));// go to IF
257 ArrayAccessor<uChar, Axis<asap::PolAxis> > aa2(aa1);
258 aa2.reset(aa2.begin(uInt(polSel_)));// go to pol
259
260 Bool useUserMask = ( chanMask_.size() == arr.shape()(3) );
261
262 std::vector<bool> tmp;
263 tmp = chanMask_; // WHY the fxxx do I have to make a copy here
264 std::vector<bool>::iterator miter;
265 miter = tmp.begin();
266
267 for (ArrayAccessor<uChar, Axis<asap::ChanAxis> > i(aa2); i != i.end(); ++i) {
268 bool out =!static_cast<bool>(*i);
269 if (useUserMask) {
270 out = out && (*miter);
271 miter++;
272 }
273 mask.push_back(out);
274 }
275 return mask;
276}
277std::vector<float> SDMemTable::getSpectrum(Int whichRow) const
278{
279 std::vector<float> spectrum;
280 ROArrayColumn<Float> spec(table_, "SPECTRA");
281 Array<Float> arr;
282 spec.get(whichRow, arr);
283 ArrayAccessor<Float, Axis<asap::BeamAxis> > aa0(arr);
284 aa0.reset(aa0.begin(uInt(beamSel_)));//go to beam
285 ArrayAccessor<Float, Axis<asap::IFAxis> > aa1(aa0);
286 aa1.reset(aa1.begin(uInt(IFSel_)));// go to IF
287 ArrayAccessor<Float, Axis<asap::PolAxis> > aa2(aa1);
288 aa2.reset(aa2.begin(uInt(polSel_)));// go to pol
289 for (ArrayAccessor<Float, Axis<asap::ChanAxis> > i(aa2); i != i.end(); ++i) {
290 spectrum.push_back(*i);
291 }
292 return spectrum;
293}
294std::vector<string> SDMemTable::getCoordInfo() const
295{
296 String un;
297 Table t = table_.keywordSet().asTable("FREQUENCIES");
298 String sunit;
299 t.keywordSet().get("UNIT",sunit);
300 String dpl;
301 t.keywordSet().get("DOPPLER",dpl);
302 if (dpl == "") dpl = "RADIO";
303 String rfrm;
304 t.keywordSet().get("REFFRAME",rfrm);
305 std::vector<string> inf;
306 inf.push_back(sunit);
307 inf.push_back(rfrm);
308 inf.push_back(dpl);
309 t.keywordSet().get("BASEREFFRAME",rfrm);
310 inf.push_back(rfrm);
311 return inf;
312}
313
314void SDMemTable::setCoordInfo(std::vector<string> theinfo)
315{
316 std::vector<string>::iterator it;
317 String un,rfrm,dpl;
318 un = theinfo[0];
319 rfrm = theinfo[1];
320 dpl = theinfo[2];
321
322 Table t = table_.rwKeywordSet().asTable("FREQUENCIES");
323 Vector<Double> rstf;
324 t.keywordSet().get("RESTFREQS",rstf);
325 Bool canDo = True;
326 Unit u1("km/s");Unit u2("Hz");
327 if (Unit(un) == u1) {
328 Vector<Double> rstf;
329 t.keywordSet().get("RESTFREQS",rstf);
330 if (rstf.nelements() == 0) {
331 throw(AipsError("Can't set unit to km/s if no restfrequencies are specified"));
332 }
333 } else if (Unit(un) != u2 && un != "") {
334 throw(AipsError("Unit not conformant with Spectral Coordinates"));
335 }
336 t.rwKeywordSet().define("UNIT", un);
337
338 MFrequency::Types mdr;
339 if (!MFrequency::getType(mdr, rfrm)) {
340
341 Int a,b;const uInt* c;
342 const String* valid = MFrequency::allMyTypes(a, b, c);
343 String pfix = "Please specify a legal frame type. Types are\n";
344 throw(AipsError(pfix+(*valid)));
345 } else {
346 t.rwKeywordSet().define("REFFRAME",rfrm);
347 }
348
349}
350
351std::vector<double> SDMemTable::getAbcissa(Int whichRow) const
352{
353 std::vector<double> absc(nChan());
354 Vector<Double> absc1(nChan());
355 indgen(absc1);
356 ROArrayColumn<uInt> fid(table_, "FREQID");
357 Vector<uInt> v;
358 fid.get(whichRow, v);
359 uInt specidx = v(IFSel_);
360 SpectralCoordinate spc = getCoordinate(specidx);
361 Table t = table_.keywordSet().asTable("FREQUENCIES");
362
363 MDirection direct = getDirection(whichRow);
364
365 ROScalarColumn<Double> tme(table_, "TIME");
366 Double obstime;
367 tme.get(whichRow,obstime);
368 MVEpoch tm2(Quantum<Double>(obstime, Unit(String("d"))));
369 MEpoch::Types met = getTimeReference();
370 MEpoch epoch(tm2, met);
371
372 Vector<Double> antpos;
373 table_.keywordSet().get("AntennaPosition", antpos);
374 MVPosition mvpos(antpos(0),antpos(1),antpos(2));
375 MPosition pos(mvpos);
376 String sunit;
377 t.keywordSet().get("UNIT",sunit);
378 if (sunit == "") sunit = "pixel";
379 Unit u(sunit);
380 String frm;
381 t.keywordSet().get("REFFRAME",frm);
382 if (frm == "") frm = "TOPO";
383 String dpl;
384 t.keywordSet().get("DOPPLER",dpl);
385 if (dpl == "") dpl = "RADIO";
386 MFrequency::Types mtype;
387 if (!MFrequency::getType(mtype, frm)) {
388 cout << "Frequency type unknown assuming TOPO" << endl;
389 mtype = MFrequency::TOPO;
390 }
391
392 if (!spc.setReferenceConversion(mtype,epoch,pos,direct)) {
393 throw(AipsError("Couldn't convert frequency frame."));
394 }
395
396 if ( u == Unit("km/s") ) {
397 Vector<Double> rstf;
398 t.keywordSet().get("RESTFREQS",rstf);
399 if (rstf.nelements() > 0) {
400 if (rstf.nelements() >= nIF())
401 spc.selectRestFrequency(uInt(IFSel_));
402 spc.setVelocity(u.getName());
403 Vector<Double> wrld;
404 spc.pixelToVelocity(wrld,absc1);
405 std::vector<double>::iterator it;
406 uInt i = 0;
407 for (it = absc.begin(); it != absc.end(); ++it) {
408 (*it) = wrld[i];
409 i++;
410 }
411 }
412 } else if (u == Unit("Hz")) {
413 Vector<String> wau(1); wau = u.getName();
414 spc.setWorldAxisUnits(wau);
415 std::vector<double>::iterator it;
416 Double tmp;
417 uInt i = 0;
418 for (it = absc.begin(); it != absc.end(); ++it) {
419 spc.toWorld(tmp,absc1[i]);
420 (*it) = tmp;
421 i++;
422 }
423
424 } else {
425 // assume channels/pixels
426 std::vector<double>::iterator it;
427 uInt i=0;
428 for (it = absc.begin(); it != absc.end(); ++it) {
429 (*it) = Double(i++);
430 }
431 }
432 return absc;
433}
434
435std::string SDMemTable::getAbcissaString(Int whichRow) const
436{
437 ROArrayColumn<uInt> fid(table_, "FREQID");
438 Table t = table_.keywordSet().asTable("FREQUENCIES");
439 String sunit;
440 t.keywordSet().get("UNIT",sunit);
441 if (sunit == "") sunit = "pixel";
442 Unit u(sunit);
443 Vector<uInt> v;
444 fid.get(whichRow, v);
445 uInt specidx = v(IFSel_);
446 SpectralCoordinate spc = getCoordinate(specidx);
447 String frm;
448 t.keywordSet().get("REFFRAME",frm);
449 MFrequency::Types mtype;
450 if (!MFrequency::getType(mtype, frm)) {
451 cout << "Frequency type unknown assuming TOPO" << endl;
452 mtype = MFrequency::TOPO;
453 }
454 spc.setFrequencySystem(mtype);
455 String s = "Channel";
456 if (u == Unit("km/s")) {
457 spc.setVelocity(u.getName());
458 s = CoordinateUtil::axisLabel(spc,0,True,True,True);
459 } else if (u == Unit("Hz")) {
460 Vector<String> wau(1);wau = u.getName();
461 spc.setWorldAxisUnits(wau);
462 s = CoordinateUtil::axisLabel(spc);
463 }
464 return s;
465}
466
467void SDMemTable::setSpectrum(std::vector<float> spectrum, int whichRow)
468{
469 ArrayColumn<Float> spec(table_, "SPECTRA");
470 Array<Float> arr;
471 spec.get(whichRow, arr);
472 if (spectrum.size() != arr.shape()(3)) {
473 throw(AipsError("Attempting to set spectrum with incorrect length."));
474 }
475
476 ArrayAccessor<Float, Axis<asap::BeamAxis> > aa0(arr);
477 aa0.reset(aa0.begin(uInt(beamSel_)));//go to beam
478 ArrayAccessor<Float, Axis<asap::IFAxis> > aa1(aa0);
479 aa1.reset(aa1.begin(uInt(IFSel_)));// go to IF
480 ArrayAccessor<Float, Axis<asap::PolAxis> > aa2(aa1);
481 aa2.reset(aa2.begin(uInt(polSel_)));// go to pol
482
483 std::vector<float>::iterator it = spectrum.begin();
484 for (ArrayAccessor<Float, Axis<asap::ChanAxis> > i(aa2); i != i.end(); ++i) {
485 (*i) = Float(*it);
486 it++;
487 }
488 spec.put(whichRow, arr);
489}
490
491void SDMemTable::getSpectrum(Vector<Float>& spectrum, Int whichRow) const
492{
493 ROArrayColumn<Float> spec(table_, "SPECTRA");
494 Array<Float> arr;
495 spec.get(whichRow, arr);
496 spectrum.resize(arr.shape()(3));
497 ArrayAccessor<Float, Axis<asap::BeamAxis> > aa0(arr);
498 aa0.reset(aa0.begin(uInt(beamSel_)));//go to beam
499 ArrayAccessor<Float, Axis<asap::IFAxis> > aa1(aa0);
500 aa1.reset(aa1.begin(uInt(IFSel_)));// go to IF
501 ArrayAccessor<Float, Axis<asap::PolAxis> > aa2(aa1);
502 aa2.reset(aa2.begin(uInt(polSel_)));// go to pol
503
504 ArrayAccessor<Float, Axis<asap::BeamAxis> > va(spectrum);
505 for (ArrayAccessor<Float, Axis<asap::ChanAxis> > i(aa2); i != i.end(); ++i) {
506 (*va) = (*i);
507 va++;
508 }
509}
510/*
511void SDMemTable::getMask(Vector<Bool>& mask, Int whichRow) const {
512 ROArrayColumn<uChar> spec(table_, "FLAGTRA");
513 Array<uChar> arr;
514 spec.get(whichRow, arr);
515 mask.resize(arr.shape()(3));
516
517 ArrayAccessor<uChar, Axis<asap::BeamAxis> > aa0(arr);
518 aa0.reset(aa0.begin(uInt(beamSel_)));//go to beam
519 ArrayAccessor<uChar, Axis<asap::IFAxis> > aa1(aa0);
520 aa1.reset(aa1.begin(uInt(IFSel_)));// go to IF
521 ArrayAccessor<uChar, Axis<asap::PolAxis> > aa2(aa1);
522 aa2.reset(aa2.begin(uInt(polSel_)));// go to pol
523
524 Bool useUserMask = ( chanMask_.size() == arr.shape()(3) );
525
526 ArrayAccessor<Bool, Axis<asap::BeamAxis> > va(mask);
527 std::vector<bool> tmp;
528 tmp = chanMask_; // WHY the fxxx do I have to make a copy here. The
529 // iterator should work on chanMask_??
530 std::vector<bool>::iterator miter;
531 miter = tmp.begin();
532
533 for (ArrayAccessor<uChar, Axis<asap::ChanAxis> > i(aa2); i != i.end(); ++i) {
534 bool out =!static_cast<bool>(*i);
535 if (useUserMask) {
536 out = out && (*miter);
537 miter++;
538 }
539 (*va) = out;
540 va++;
541 }
542}
543*/
544MaskedArray<Float> SDMemTable::rowAsMaskedArray(uInt whichRow,
545 Bool useSelection) const
546{
547 ROArrayColumn<Float> spec(table_, "SPECTRA");
548 Array<Float> arr;
549 ROArrayColumn<uChar> flag(table_, "FLAGTRA");
550 Array<uChar> farr;
551 spec.get(whichRow, arr);
552 flag.get(whichRow, farr);
553 Array<Bool> barr(farr.shape());convertArray(barr, farr);
554 MaskedArray<Float> marr;
555 if (useSelection) {
556 ArrayAccessor<Float, Axis<asap::BeamAxis> > aa0(arr);
557 aa0.reset(aa0.begin(uInt(beamSel_)));//go to beam
558 ArrayAccessor<Float, Axis<asap::IFAxis> > aa1(aa0);
559 aa1.reset(aa1.begin(uInt(IFSel_)));// go to IF
560 ArrayAccessor<Float, Axis<asap::PolAxis> > aa2(aa1);
561 aa2.reset(aa2.begin(uInt(polSel_)));// go to pol
562
563 ArrayAccessor<Bool, Axis<asap::BeamAxis> > baa0(barr);
564 baa0.reset(baa0.begin(uInt(beamSel_)));//go to beam
565 ArrayAccessor<Bool, Axis<asap::IFAxis> > baa1(baa0);
566 baa1.reset(baa1.begin(uInt(IFSel_)));// go to IF
567 ArrayAccessor<Bool, Axis<asap::PolAxis> > baa2(baa1);
568 baa2.reset(baa2.begin(uInt(polSel_)));// go to pol
569
570 Vector<Float> a(arr.shape()(3));
571 Vector<Bool> b(barr.shape()(3));
572 ArrayAccessor<Float, Axis<asap::BeamAxis> > a0(a);
573 ArrayAccessor<Bool, Axis<asap::BeamAxis> > b0(b);
574
575 ArrayAccessor<Bool, Axis<asap::ChanAxis> > j(baa2);
576 for (ArrayAccessor<Float, Axis<asap::ChanAxis> > i(aa2);
577 i != i.end(); ++i) {
578 (*a0) = (*i);
579 (*b0) = !(*j);
580 j++;
581 a0++;
582 b0++;
583 }
584 marr.setData(a,b);
585 } else {
586 marr.setData(arr,!barr);
587 }
588 return marr;
589}
590
591Float SDMemTable::getTsys(Int whichRow) const
592{
593 ROArrayColumn<Float> ts(table_, "TSYS");
594 Array<Float> arr;
595 ts.get(whichRow, arr);
596 Float out;
597 IPosition ip(arr.shape());
598 ip(0) = beamSel_;ip(1) = IFSel_;ip(2) = polSel_;ip(3)=0;
599 out = arr(ip);
600 return out;
601}
602
603MDirection SDMemTable::getDirection(Int whichRow) const
604{
605 MDirection::Types mdr = getDirectionReference();
606 ROArrayColumn<Double> dir(table_, "DIRECTION");
607 Array<Double> posit;
608 dir.get(whichRow,posit);
609 Vector<Double> wpos(2);
610 wpos[0] = posit(IPosition(2,beamSel_,0));
611 wpos[1] = posit(IPosition(2,beamSel_,1));
612 Quantum<Double> lon(wpos[0],Unit(String("rad")));
613 Quantum<Double> lat(wpos[1],Unit(String("rad")));
614 MDirection direct(lon, lat, mdr);
615 return direct;
616}
617
618SpectralCoordinate SDMemTable::getCoordinate(uInt whichIdx) const
619{
620
621 Table t = table_.keywordSet().asTable("FREQUENCIES");
622 if (whichIdx > t.nrow() ) {
623 throw(AipsError("SDMemTable::getCoordinate - whichIdx out of range"));
624 }
625
626 Double rp,rv,inc;
627 String rf;
628 Vector<Double> vec;
629 ROScalarColumn<Double> rpc(t, "REFPIX");
630 ROScalarColumn<Double> rvc(t, "REFVAL");
631 ROScalarColumn<Double> incc(t, "INCREMENT");
632 t.keywordSet().get("RESTFREQS",vec);
633 t.keywordSet().get("BASEREFFRAME",rf);
634
635 MFrequency::Types mft;
636 if (!MFrequency::getType(mft, rf)) {
637 cerr << "Frequency type unknown assuming TOPO" << endl;
638 mft = MFrequency::TOPO;
639 }
640 rpc.get(whichIdx, rp);
641 rvc.get(whichIdx, rv);
642 incc.get(whichIdx, inc);
643 SpectralCoordinate spec(mft,rv,inc,rp);
644 if (vec.nelements() > 0)
645 spec.setRestFrequencies(vec);
646 return spec;
647}
648
649Bool SDMemTable::setCoordinate(const SpectralCoordinate& speccord,
650 uInt whichIdx) {
651 Table t = table_.rwKeywordSet().asTable("FREQUENCIES");
652 if (whichIdx > t.nrow() ) {
653 throw(AipsError("SDMemTable::setCoordinate - coord no out of range"));
654 }
655 ScalarColumn<Double> rpc(t, "REFPIX");
656 ScalarColumn<Double> rvc(t, "REFVAL");
657 ScalarColumn<Double> incc(t, "INCREMENT");
658
659 rpc.put(whichIdx, speccord.referencePixel()[0]);
660 rvc.put(whichIdx, speccord.referenceValue()[0]);
661 incc.put(whichIdx, speccord.increment()[0]);
662
663 return True;
664}
665
666Int SDMemTable::nCoordinates() const
667{
668 return table_.keywordSet().asTable("FREQUENCIES").nrow();
669}
670
671void SDMemTable::setRestFreqs(std::vector<double> freqs,
672 const std::string& theunit)
673{
674 Vector<Double> tvec(freqs);
675 Quantum<Vector<Double> > q(tvec, String(theunit));
676 tvec.resize();
677 tvec = q.getValue("Hz");
678 Table t = table_.keywordSet().asTable("FREQUENCIES");
679 t.rwKeywordSet().define("RESTFREQS",tvec);
680}
681
682std::vector<double> SDMemTable::getRestFreqs() const
683{
684 Table t = table_.keywordSet().asTable("FREQUENCIES");
685 Vector<Double> tvec;
686 t.keywordSet().get("RESTFREQS",tvec);
687 std::vector<double> stlout;
688 tvec.tovector(stlout);
689 return stlout;
690}
691
692bool SDMemTable::putSDFreqTable(const SDFrequencyTable& sdft)
693{
694 TableDesc td("", "1", TableDesc::Scratch);
695 td.addColumn(ScalarColumnDesc<Double>("REFPIX"));
696 td.addColumn(ScalarColumnDesc<Double>("REFVAL"));
697 td.addColumn(ScalarColumnDesc<Double>("INCREMENT"));
698 SetupNewTable aNewTab("freqs", td, Table::New);
699 Table aTable (aNewTab, Table::Memory, sdft.length());
700 ScalarColumn<Double> sc0(aTable, "REFPIX");
701 ScalarColumn<Double> sc1(aTable, "REFVAL");
702 ScalarColumn<Double> sc2(aTable, "INCREMENT");
703 for (uInt i=0; i < sdft.length(); ++i) {
704 sc0.put(i,sdft.referencePixel(i));
705 sc1.put(i,sdft.referenceValue(i));
706 sc2.put(i,sdft.increment(i));
707 }
708 String rf = sdft.refFrame();
709 if (rf.contains("TOPO")) rf = "TOPO";
710
711 aTable.rwKeywordSet().define("BASEREFFRAME", rf);
712 aTable.rwKeywordSet().define("REFFRAME", rf);
713 aTable.rwKeywordSet().define("EQUINOX", sdft.equinox());
714 aTable.rwKeywordSet().define("UNIT", String(""));
715 aTable.rwKeywordSet().define("DOPPLER", String("RADIO"));
716 Vector<Double> rfvec;
717 String rfunit;
718 sdft.restFrequencies(rfvec,rfunit);
719 Quantum<Vector<Double> > q(rfvec, rfunit);
720 rfvec.resize();
721 rfvec = q.getValue("Hz");
722 aTable.rwKeywordSet().define("RESTFREQS", rfvec);
723 table_.rwKeywordSet().defineTable ("FREQUENCIES", aTable);
724 return True;
725}
726
727SDFrequencyTable SDMemTable::getSDFreqTable() const
728{
729 // TODO !!!!! implement this properly USE with care
730 const Table& t = table_.keywordSet().asTable("FREQUENCIES");
731 SDFrequencyTable sdft;
732 sdft.setLength(t.nrow());
733 return sdft;
734}
735
736bool SDMemTable::putSDContainer(const SDContainer& sdc)
737{
738 ScalarColumn<Double> mjd(table_, "TIME");
739 ScalarColumn<String> srcn(table_, "SRCNAME");
740 ScalarColumn<String> fldn(table_, "FIELDNAME");
741 ArrayColumn<Float> spec(table_, "SPECTRA");
742 ArrayColumn<uChar> flags(table_, "FLAGTRA");
743 ArrayColumn<Float> ts(table_, "TSYS");
744 ScalarColumn<Int> scan(table_, "SCANID");
745 ScalarColumn<Double> integr(table_, "INTERVAL");
746 ArrayColumn<uInt> freqid(table_, "FREQID");
747 ArrayColumn<Double> dir(table_, "DIRECTION");
748 ScalarColumn<Int> rbeam(table_, "REFBEAM");
749 ArrayColumn<Float> tcal(table_, "TCAL");
750 ScalarColumn<String> tcalt(table_, "TCALTIME");
751 ScalarColumn<Float> az(table_, "AZIMUTH");
752 ScalarColumn<Float> el(table_, "ELEVATION");
753 ScalarColumn<Float> para(table_, "PARANGLE");
754 ArrayColumn<String> hist(table_, "HISTORY");
755
756 uInt rno = table_.nrow();
757 table_.addRow();
758
759 mjd.put(rno, sdc.timestamp);
760 srcn.put(rno, sdc.sourcename);
761 fldn.put(rno, sdc.fieldname);
762 spec.put(rno, sdc.getSpectrum());
763 flags.put(rno, sdc.getFlags());
764 ts.put(rno, sdc.getTsys());
765 scan.put(rno, sdc.scanid);
766 integr.put(rno, sdc.interval);
767 freqid.put(rno, sdc.getFreqMap());
768 dir.put(rno, sdc.getDirection());
769 rbeam.put(rno, sdc.refbeam);
770 tcal.put(rno, sdc.tcal);
771 tcalt.put(rno, sdc.tcaltime);
772 az.put(rno, sdc.azimuth);
773 el.put(rno, sdc.elevation);
774 para.put(rno, sdc.parangle);
775 hist.put(rno, sdc.getHistory());
776
777 return true;
778}
779
780SDContainer SDMemTable::getSDContainer(uInt whichRow) const
781{
782 ROScalarColumn<Double> mjd(table_, "TIME");
783 ROScalarColumn<String> srcn(table_, "SRCNAME");
784 ROScalarColumn<String> fldn(table_, "FIELDNAME");
785 ROArrayColumn<Float> spec(table_, "SPECTRA");
786 ROArrayColumn<uChar> flags(table_, "FLAGTRA");
787 ROArrayColumn<Float> ts(table_, "TSYS");
788 ROScalarColumn<Int> scan(table_, "SCANID");
789 ROScalarColumn<Double> integr(table_, "INTERVAL");
790 ROArrayColumn<uInt> freqid(table_, "FREQID");
791 ROArrayColumn<Double> dir(table_, "DIRECTION");
792 ROScalarColumn<Int> rbeam(table_, "REFBEAM");
793 ROArrayColumn<Float> tcal(table_, "TCAL");
794 ROScalarColumn<String> tcalt(table_, "TCALTIME");
795 ROScalarColumn<Float> az(table_, "AZIMUTH");
796 ROScalarColumn<Float> el(table_, "ELEVATION");
797 ROScalarColumn<Float> para(table_, "PARANGLE");
798 ROArrayColumn<String> hist(table_, "HISTORY");
799
800 SDContainer sdc(nBeam(),nIF(),nPol(),nChan());
801 mjd.get(whichRow, sdc.timestamp);
802 srcn.get(whichRow, sdc.sourcename);
803 integr.get(whichRow, sdc.interval);
804 scan.get(whichRow, sdc.scanid);
805 fldn.get(whichRow, sdc.fieldname);
806 rbeam.get(whichRow, sdc.refbeam);
807 az.get(whichRow, sdc.azimuth);
808 el.get(whichRow, sdc.elevation);
809 para.get(whichRow, sdc.parangle);
810 Vector<Float> tc;
811 tcal.get(whichRow, tc);
812 sdc.tcal[0] = tc[0];sdc.tcal[1] = tc[1];
813 tcalt.get(whichRow, sdc.tcaltime);
814 Array<Float> spectrum;
815 Array<Float> tsys;
816 Array<uChar> flagtrum;
817 Vector<uInt> fmap;
818 Array<Double> direction;
819 Vector<String> histo;
820 spec.get(whichRow, spectrum);
821 sdc.putSpectrum(spectrum);
822 flags.get(whichRow, flagtrum);
823 sdc.putFlags(flagtrum);
824 ts.get(whichRow, tsys);
825 sdc.putTsys(tsys);
826 freqid.get(whichRow, fmap);
827 sdc.putFreqMap(fmap);
828 dir.get(whichRow, direction);
829 sdc.putDirection(direction);
830 hist.get(whichRow, histo);
831 sdc.putHistory(histo);
832 return sdc;
833}
834
835bool SDMemTable::putSDHeader(const SDHeader& sdh)
836{
837 table_.rwKeywordSet().define("nIF", sdh.nif);
838 table_.rwKeywordSet().define("nBeam", sdh.nbeam);
839 table_.rwKeywordSet().define("nPol", sdh.npol);
840 table_.rwKeywordSet().define("nChan", sdh.nchan);
841 table_.rwKeywordSet().define("Observer", sdh.observer);
842 table_.rwKeywordSet().define("Project", sdh.project);
843 table_.rwKeywordSet().define("Obstype", sdh.obstype);
844 table_.rwKeywordSet().define("AntennaName", sdh.antennaname);
845 table_.rwKeywordSet().define("AntennaPosition", sdh.antennaposition);
846 table_.rwKeywordSet().define("Equinox", sdh.equinox);
847 table_.rwKeywordSet().define("FreqRefFrame", sdh.freqref);
848 table_.rwKeywordSet().define("FreqRefVal", sdh.reffreq);
849 table_.rwKeywordSet().define("Bandwidth", sdh.bandwidth);
850 table_.rwKeywordSet().define("UTC", sdh.utc);
851 table_.rwKeywordSet().define("FluxUnit", sdh.fluxunit);
852 table_.rwKeywordSet().define("Epoch", sdh.epoch);
853 return true;
854}
855
856SDHeader SDMemTable::getSDHeader() const
857{
858 SDHeader sdh;
859 table_.keywordSet().get("nBeam",sdh.nbeam);
860 table_.keywordSet().get("nIF",sdh.nif);
861 table_.keywordSet().get("nPol",sdh.npol);
862 table_.keywordSet().get("nChan",sdh.nchan);
863 table_.keywordSet().get("Observer", sdh.observer);
864 table_.keywordSet().get("Project", sdh.project);
865 table_.keywordSet().get("Obstype", sdh.obstype);
866 table_.keywordSet().get("AntennaName", sdh.antennaname);
867 table_.keywordSet().get("AntennaPosition", sdh.antennaposition);
868 table_.keywordSet().get("Equinox", sdh.equinox);
869 table_.keywordSet().get("FreqRefFrame", sdh.freqref);
870 table_.keywordSet().get("FreqRefVal", sdh.reffreq);
871 table_.keywordSet().get("Bandwidth", sdh.bandwidth);
872 table_.keywordSet().get("UTC", sdh.utc);
873 table_.keywordSet().get("FluxUnit", sdh.fluxunit);
874 table_.keywordSet().get("Epoch", sdh.epoch);
875 return sdh;
876}
877void SDMemTable::makePersistent(const std::string& filename)
878{
879 table_.deepCopy(filename,Table::New);
880}
881
882Int SDMemTable::nScan() const {
883 Int n = 0;
884 ROScalarColumn<Int> scans(table_, "SCANID");
885 Int previous = -1;Int current=0;
886 for (uInt i=0; i< scans.nrow();i++) {
887 scans.getScalar(i,current);
888 if (previous != current) {
889 previous = current;
890 n++;
891 }
892 }
893 return n;
894}
895
896String SDMemTable::formatSec(Double x) const
897{
898 Double xcop = x;
899 MVTime mvt(xcop/24./3600.); // make days
900 if (x < 59.95)
901 return String(" ") + mvt.string(MVTime::TIME_CLEAN_NO_HM, 7)+"s";
902 return mvt.string(MVTime::TIME_CLEAN_NO_H, 7)+" ";
903};
904
905std::string SDMemTable::getFluxUnit() const
906{
907 String tmp;
908 table_.keywordSet().get("FluxUnit", tmp);
909 return tmp;
910}
911
912void SDMemTable::setFluxUnit(const std::string& unit)
913{
914 String tmp(unit);
915 Unit tU(tmp);
916 if (tU==Unit("K") || tU==Unit("Jy")) {
917 table_.rwKeywordSet().define(String("FluxUnit"), tmp);
918 } else {
919 throw AipsError("Illegal unit - must be compatible with Jy or K");
920 }
921}
922
923void SDMemTable::setInstrument(const std::string& name)
924{
925 Bool throwIt = True;
926 Instrument ins = convertInstrument (name, throwIt);
927 String nameU(name);
928 nameU.upcase();
929 table_.rwKeywordSet().define(String("AntennaName"), nameU);
930}
931
932std::string SDMemTable::summary() const {
933 ROScalarColumn<Int> scans(table_, "SCANID");
934 ROScalarColumn<String> srcs(table_, "SRCNAME");
935 ostringstream oss;
936 oss << endl;
937 oss << "--------------------------------------------------" << endl;
938 oss << " Scan Table Summary" << endl;
939 oss << "--------------------------------------------------" << endl;
940 oss.flags(std::ios_base::left);
941 oss << setw(15) << "Beams:" << setw(4) << nBeam() << endl
942 << setw(15) << "IFs:" << setw(4) << nIF() << endl
943 << setw(15) << "Polarisations:" << setw(4) << nPol() << endl
944 << setw(15) << "Channels:" << setw(4) << nChan() << endl;
945 oss << endl;
946 String tmp;
947 table_.keywordSet().get("Observer", tmp);
948 oss << setw(15) << "Observer:" << tmp << endl;
949 table_.keywordSet().get("Project", tmp);
950 oss << setw(15) << "Project:" << tmp << endl;
951 table_.keywordSet().get("Obstype", tmp);
952 oss << setw(15) << "Obs. Type:" << tmp << endl;
953 table_.keywordSet().get("AntennaName", tmp);
954 oss << setw(15) << "Antenna Name:" << tmp << endl;
955 table_.keywordSet().get("FluxUnit", tmp);
956 oss << setw(15) << "Flux Unit:" << tmp << endl;
957 Table t = table_.keywordSet().asTable("FREQUENCIES");
958 Vector<Double> vec;
959 t.keywordSet().get("RESTFREQS",vec);
960 oss << setw(15) << "Rest Freqs:";
961 if (vec.nelements() > 0) {
962 oss << setprecision(0) << vec << " [Hz]" << endl;
963 } else {
964 oss << "None set" << endl;
965 }
966 oss << setw(15) << "Abcissa:" << getAbcissaString() << endl;
967 oss << setw(15) << "Cursor:" << "Beam[" << getBeam() << "] "
968 << "IF[" << getIF() << "] " << "Pol[" << getPol() << "]" << endl;
969 oss << endl;
970 uInt count = 0;
971 String name;
972 Int previous = -1;Int current=0;
973 Int integ = 0;
974 oss << setw(6) << "Scan"
975 << setw(12) << "Source"
976 << setw(21) << "Time"
977 << setw(11) << "Integration" << endl;
978 oss << "--------------------------------------------------" << endl;
979 for (uInt i=0; i< scans.nrow();i++) {
980 scans.getScalar(i,current);
981 if (previous != current) {
982 srcs.getScalar(i,name);
983 previous = current;
984 String t = formatSec(Double(getInterval(i)));
985 oss << setw(6) << count << setw(12) << name << setw(21) << getTime(i)
986 << setw(2) << setprecision(1)
987 << t << endl;
988 count++;
989 } else {
990 integ++;
991 }
992 }
993 oss << endl;
994 oss << "Table contains " << table_.nrow() << " integration(s)." << endl;
995 oss << "in " << count << " scan(s)." << endl;
996 oss << "--------------------------------------------------";
997 return String(oss);
998}
999
1000Int SDMemTable::nBeam() const
1001{
1002 Int n;
1003 table_.keywordSet().get("nBeam",n);
1004 return n;
1005}
1006Int SDMemTable::nIF() const {
1007 Int n;
1008 table_.keywordSet().get("nIF",n);
1009 return n;
1010}
1011Int SDMemTable::nPol() const {
1012 Int n;
1013 table_.keywordSet().get("nPol",n);
1014 return n;
1015}
1016Int SDMemTable::nChan() const {
1017 Int n;
1018 table_.keywordSet().get("nChan",n);
1019 return n;
1020}
1021bool SDMemTable::appendHistory(const std::string& hist, int whichRow)
1022{
1023 ArrayColumn<String> histo(table_, "HISTORY");
1024 Vector<String> history;
1025 histo.get(whichRow, history);
1026 history.resize(history.nelements()+1,True);
1027 history[history.nelements()-1] = hist;
1028 histo.put(whichRow, history);
1029}
1030
1031std::vector<std::string> SDMemTable::history(int whichRow) const
1032{
1033 ROArrayColumn<String> hist(table_, "HISTORY");
1034 Vector<String> history;
1035 hist.get(whichRow, history);
1036 std::vector<std::string> stlout;
1037 // there is no Array<String>.tovector(std::vector<std::string>), so
1038 // do it by hand
1039 for (uInt i=0; i<history.nelements(); ++i) {
1040 stlout.push_back(history[i]);
1041 }
1042 return stlout;
1043}
1044/*
1045void SDMemTable::maskChannels(const std::vector<Int>& whichChans ) {
1046
1047 std::vector<int>::iterator it;
1048 ArrayAccessor<uChar, Axis<asap::PolAxis> > j(flags_);
1049 for (it = whichChans.begin(); it != whichChans.end(); it++) {
1050 j.reset(j.begin(uInt(*it)));
1051 for (ArrayAccessor<uChar, Axis<asap::BeamAxis> > i(j); i != i.end(); ++i) {
1052 for (ArrayAccessor<uChar, Axis<asap::IFAxis> > ii(i); ii != ii.end(); ++ii) {
1053 for (ArrayAccessor<uChar, Axis<asap::ChanAxis> > iii(ii);
1054 iii != iii.end(); ++iii) {
1055 (*iii) =
1056 }
1057 }
1058 }
1059 }
1060
1061}
1062*/
1063void SDMemTable::flag(int whichRow)
1064{
1065 ArrayColumn<uChar> spec(table_, "FLAGTRA");
1066 Array<uChar> arr;
1067 spec.get(whichRow, arr);
1068
1069 ArrayAccessor<uChar, Axis<asap::BeamAxis> > aa0(arr);
1070 aa0.reset(aa0.begin(uInt(beamSel_)));//go to beam
1071 ArrayAccessor<uChar, Axis<asap::IFAxis> > aa1(aa0);
1072 aa1.reset(aa1.begin(uInt(IFSel_)));// go to IF
1073 ArrayAccessor<uChar, Axis<asap::PolAxis> > aa2(aa1);
1074 aa2.reset(aa2.begin(uInt(polSel_)));// go to pol
1075
1076 for (ArrayAccessor<uChar, Axis<asap::ChanAxis> > i(aa2); i != i.end(); ++i) {
1077 (*i) = uChar(True);
1078 }
1079
1080 spec.put(whichRow, arr);
1081}
1082
1083MDirection::Types SDMemTable::getDirectionReference () const
1084{
1085 Float eq;
1086 table_.keywordSet().get("Equinox",eq);
1087 std::map<float,string> mp;
1088 mp[2000.0] = "J2000";
1089 mp[1950.0] = "B1950";
1090 MDirection::Types mdr;
1091 if (!MDirection::getType(mdr, mp[eq])) {
1092 mdr = MDirection::J2000;
1093 cerr << "Unknown equinox using J2000" << endl;
1094 }
1095//
1096 return mdr;
1097}
1098
1099MEpoch::Types SDMemTable::getTimeReference () const
1100{
1101 MEpoch::Types met;
1102 String ep;
1103 table_.keywordSet().get("Epoch",ep);
1104 if (!MEpoch::getType(met, ep)) {
1105 cerr << "Epoch type uknown - using UTC" << endl;
1106 met = MEpoch::UTC;
1107 }
1108//
1109 return met;
1110}
1111
1112
1113Instrument SDMemTable::convertInstrument (const String& instrument,
1114 Bool throwIt)
1115{
1116 String t(instrument);
1117 t.upcase();
1118//
1119 Instrument inst = asap::UNKNOWN;
1120 if (t==String("TID")) {
1121 inst = TIDBINBILLA;
1122 } else if (t==String("ATPKSMB")) {
1123 inst = PKSMULTIBEAM;
1124 } else if (t==String("ATPKSSB")) {
1125 inst = PKSSINGLEBEAM;
1126 } else if (t==String("MOPRA")) {
1127 inst = MOPRA;
1128 } else {
1129 if (throwIt) {
1130 throw AipsError("Unrecognized instrument - use function scan.set_instrument to set");
1131 }
1132 }
1133 return inst;
1134}
1135
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