source: trunk/src/SDMemTable.cc@ 256

Last change on this file since 256 was 251, checked in by mar637, 20 years ago
  • added getRestFreqs
  • filled in some of getSDFreqTable - not fully usable!!!!
  • Property svn:eol-style set to native
  • Property svn:keywords set to Author Date Id Revision
File size: 33.6 KB
Line 
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 return inf;
310}
311
312void SDMemTable::setCoordInfo(std::vector<string> theinfo)
313{
314 std::vector<string>::iterator it;
315 String un,rfrm,dpl;
316 un = theinfo[0];
317 rfrm = theinfo[1];
318 dpl = theinfo[2];
319
320 Table t = table_.rwKeywordSet().asTable("FREQUENCIES");
321 Vector<Double> rstf;
322 t.keywordSet().get("RESTFREQS",rstf);
323 Bool canDo = True;
324 Unit u1("km/s");Unit u2("Hz");
325 if (Unit(un) == u1) {
326 Vector<Double> rstf;
327 t.keywordSet().get("RESTFREQS",rstf);
328 if (rstf.nelements() == 0) {
329 throw(AipsError("Can't set unit to km/s if no restfrequencies are specified"));
330 }
331 } else if (Unit(un) != u2 && un != "") {
332 throw(AipsError("Unit not conformant with Spectral Coordinates"));
333 }
334 t.rwKeywordSet().define("UNIT", un);
335
336 MFrequency::Types mdr;
337 if (!MFrequency::getType(mdr, rfrm)) {
338
339 Int a,b;const uInt* c;
340 const String* valid = MFrequency::allMyTypes(a, b, c);
341 String pfix = "Please specify a legal frame type. Types are\n";
342 throw(AipsError(pfix+(*valid)));
343 } else {
344 t.rwKeywordSet().define("REFFRAME",rfrm);
345 }
346
347}
348
349std::vector<double> SDMemTable::getAbcissa(Int whichRow) const
350{
351 std::vector<double> absc(nChan());
352 Vector<Double> absc1(nChan());
353 indgen(absc1);
354 ROArrayColumn<uInt> fid(table_, "FREQID");
355 Vector<uInt> v;
356 fid.get(whichRow, v);
357 uInt specidx = v(IFSel_);
358 SpectralCoordinate spc = getCoordinate(specidx);
359 Table t = table_.keywordSet().asTable("FREQUENCIES");
360
361 MDirection direct = getDirection(whichRow);
362
363 ROScalarColumn<Double> tme(table_, "TIME");
364 Double obstime;
365 tme.get(whichRow,obstime);
366 MVEpoch tm2(Quantum<Double>(obstime, Unit(String("d"))));
367 MEpoch::Types met = getTimeReference();
368 MEpoch epoch(tm2, met);
369
370 Vector<Double> antpos;
371 table_.keywordSet().get("AntennaPosition", antpos);
372 MVPosition mvpos(antpos(0),antpos(1),antpos(2));
373 MPosition pos(mvpos);
374 String sunit;
375 t.keywordSet().get("UNIT",sunit);
376 if (sunit == "") sunit = "pixel";
377 Unit u(sunit);
378 String frm;
379 t.keywordSet().get("REFFRAME",frm);
380 if (frm == "") frm = "TOPO";
381 String dpl;
382 t.keywordSet().get("DOPPLER",dpl);
383 if (dpl == "") dpl = "RADIO";
384 MFrequency::Types mtype;
385 if (!MFrequency::getType(mtype, frm)) {
386 cout << "Frequency type unknown assuming TOPO" << endl;
387 mtype = MFrequency::TOPO;
388 }
389
390 if (!spc.setReferenceConversion(mtype,epoch,pos,direct)) {
391 throw(AipsError("Couldn't convert frequency frame."));
392 }
393
394 if ( u == Unit("km/s") ) {
395 Vector<Double> rstf;
396 t.keywordSet().get("RESTFREQS",rstf);
397 if (rstf.nelements() > 0) {
398 if (rstf.nelements() >= nIF())
399 spc.selectRestFrequency(uInt(IFSel_));
400 spc.setVelocity(u.getName());
401 Vector<Double> wrld;
402 spc.pixelToVelocity(wrld,absc1);
403 std::vector<double>::iterator it;
404 uInt i = 0;
405 for (it = absc.begin(); it != absc.end(); ++it) {
406 (*it) = wrld[i];
407 i++;
408 }
409 }
410 } else if (u == Unit("Hz")) {
411 Vector<String> wau(1); wau = u.getName();
412 spc.setWorldAxisUnits(wau);
413 std::vector<double>::iterator it;
414 Double tmp;
415 uInt i = 0;
416 for (it = absc.begin(); it != absc.end(); ++it) {
417 spc.toWorld(tmp,absc1[i]);
418 (*it) = tmp;
419 i++;
420 }
421
422 } else {
423 // assume channels/pixels
424 std::vector<double>::iterator it;
425 uInt i=0;
426 for (it = absc.begin(); it != absc.end(); ++it) {
427 (*it) = Double(i++);
428 }
429 }
430 return absc;
431}
432
433std::string SDMemTable::getAbcissaString(Int whichRow) const
434{
435 ROArrayColumn<uInt> fid(table_, "FREQID");
436 Table t = table_.keywordSet().asTable("FREQUENCIES");
437 String sunit;
438 t.keywordSet().get("UNIT",sunit);
439 if (sunit == "") sunit = "pixel";
440 Unit u(sunit);
441 Vector<uInt> v;
442 fid.get(whichRow, v);
443 uInt specidx = v(IFSel_);
444 SpectralCoordinate spc = getCoordinate(specidx);
445 String frm;
446 t.keywordSet().get("REFFRAME",frm);
447 MFrequency::Types mtype;
448 if (!MFrequency::getType(mtype, frm)) {
449 cout << "Frequency type unknown assuming TOPO" << endl;
450 mtype = MFrequency::TOPO;
451 }
452 spc.setFrequencySystem(mtype);
453 String s = "Channel";
454 if (u == Unit("km/s")) {
455 spc.setVelocity(u.getName());
456 s = CoordinateUtil::axisLabel(spc,0,True,True,True);
457 } else if (u == Unit("Hz")) {
458 Vector<String> wau(1);wau = u.getName();
459 spc.setWorldAxisUnits(wau);
460 s = CoordinateUtil::axisLabel(spc);
461 }
462 return s;
463}
464
465void SDMemTable::setSpectrum(std::vector<float> spectrum, int whichRow)
466{
467 ArrayColumn<Float> spec(table_, "SPECTRA");
468 Array<Float> arr;
469 spec.get(whichRow, arr);
470 if (spectrum.size() != arr.shape()(3)) {
471 throw(AipsError("Attempting to set spectrum with incorrect length."));
472 }
473
474 ArrayAccessor<Float, Axis<asap::BeamAxis> > aa0(arr);
475 aa0.reset(aa0.begin(uInt(beamSel_)));//go to beam
476 ArrayAccessor<Float, Axis<asap::IFAxis> > aa1(aa0);
477 aa1.reset(aa1.begin(uInt(IFSel_)));// go to IF
478 ArrayAccessor<Float, Axis<asap::PolAxis> > aa2(aa1);
479 aa2.reset(aa2.begin(uInt(polSel_)));// go to pol
480
481 std::vector<float>::iterator it = spectrum.begin();
482 for (ArrayAccessor<Float, Axis<asap::ChanAxis> > i(aa2); i != i.end(); ++i) {
483 (*i) = Float(*it);
484 it++;
485 }
486 spec.put(whichRow, arr);
487}
488
489void SDMemTable::getSpectrum(Vector<Float>& spectrum, Int whichRow) const
490{
491 ROArrayColumn<Float> spec(table_, "SPECTRA");
492 Array<Float> arr;
493 spec.get(whichRow, arr);
494 spectrum.resize(arr.shape()(3));
495 ArrayAccessor<Float, Axis<asap::BeamAxis> > aa0(arr);
496 aa0.reset(aa0.begin(uInt(beamSel_)));//go to beam
497 ArrayAccessor<Float, Axis<asap::IFAxis> > aa1(aa0);
498 aa1.reset(aa1.begin(uInt(IFSel_)));// go to IF
499 ArrayAccessor<Float, Axis<asap::PolAxis> > aa2(aa1);
500 aa2.reset(aa2.begin(uInt(polSel_)));// go to pol
501
502 ArrayAccessor<Float, Axis<asap::BeamAxis> > va(spectrum);
503 for (ArrayAccessor<Float, Axis<asap::ChanAxis> > i(aa2); i != i.end(); ++i) {
504 (*va) = (*i);
505 va++;
506 }
507}
508/*
509void SDMemTable::getMask(Vector<Bool>& mask, Int whichRow) const {
510 ROArrayColumn<uChar> spec(table_, "FLAGTRA");
511 Array<uChar> arr;
512 spec.get(whichRow, arr);
513 mask.resize(arr.shape()(3));
514
515 ArrayAccessor<uChar, Axis<asap::BeamAxis> > aa0(arr);
516 aa0.reset(aa0.begin(uInt(beamSel_)));//go to beam
517 ArrayAccessor<uChar, Axis<asap::IFAxis> > aa1(aa0);
518 aa1.reset(aa1.begin(uInt(IFSel_)));// go to IF
519 ArrayAccessor<uChar, Axis<asap::PolAxis> > aa2(aa1);
520 aa2.reset(aa2.begin(uInt(polSel_)));// go to pol
521
522 Bool useUserMask = ( chanMask_.size() == arr.shape()(3) );
523
524 ArrayAccessor<Bool, Axis<asap::BeamAxis> > va(mask);
525 std::vector<bool> tmp;
526 tmp = chanMask_; // WHY the fxxx do I have to make a copy here. The
527 // iterator should work on chanMask_??
528 std::vector<bool>::iterator miter;
529 miter = tmp.begin();
530
531 for (ArrayAccessor<uChar, Axis<asap::ChanAxis> > i(aa2); i != i.end(); ++i) {
532 bool out =!static_cast<bool>(*i);
533 if (useUserMask) {
534 out = out && (*miter);
535 miter++;
536 }
537 (*va) = out;
538 va++;
539 }
540}
541*/
542MaskedArray<Float> SDMemTable::rowAsMaskedArray(uInt whichRow,
543 Bool useSelection) const
544{
545 ROArrayColumn<Float> spec(table_, "SPECTRA");
546 Array<Float> arr;
547 ROArrayColumn<uChar> flag(table_, "FLAGTRA");
548 Array<uChar> farr;
549 spec.get(whichRow, arr);
550 flag.get(whichRow, farr);
551 Array<Bool> barr(farr.shape());convertArray(barr, farr);
552 MaskedArray<Float> marr;
553 if (useSelection) {
554 ArrayAccessor<Float, Axis<asap::BeamAxis> > aa0(arr);
555 aa0.reset(aa0.begin(uInt(beamSel_)));//go to beam
556 ArrayAccessor<Float, Axis<asap::IFAxis> > aa1(aa0);
557 aa1.reset(aa1.begin(uInt(IFSel_)));// go to IF
558 ArrayAccessor<Float, Axis<asap::PolAxis> > aa2(aa1);
559 aa2.reset(aa2.begin(uInt(polSel_)));// go to pol
560
561 ArrayAccessor<Bool, Axis<asap::BeamAxis> > baa0(barr);
562 baa0.reset(baa0.begin(uInt(beamSel_)));//go to beam
563 ArrayAccessor<Bool, Axis<asap::IFAxis> > baa1(baa0);
564 baa1.reset(baa1.begin(uInt(IFSel_)));// go to IF
565 ArrayAccessor<Bool, Axis<asap::PolAxis> > baa2(baa1);
566 baa2.reset(baa2.begin(uInt(polSel_)));// go to pol
567
568 Vector<Float> a(arr.shape()(3));
569 Vector<Bool> b(barr.shape()(3));
570 ArrayAccessor<Float, Axis<asap::BeamAxis> > a0(a);
571 ArrayAccessor<Bool, Axis<asap::BeamAxis> > b0(b);
572
573 ArrayAccessor<Bool, Axis<asap::ChanAxis> > j(baa2);
574 for (ArrayAccessor<Float, Axis<asap::ChanAxis> > i(aa2);
575 i != i.end(); ++i) {
576 (*a0) = (*i);
577 (*b0) = !(*j);
578 j++;
579 a0++;
580 b0++;
581 }
582 marr.setData(a,b);
583 } else {
584 marr.setData(arr,!barr);
585 }
586 return marr;
587}
588
589Float SDMemTable::getTsys(Int whichRow) const
590{
591 ROArrayColumn<Float> ts(table_, "TSYS");
592 Array<Float> arr;
593 ts.get(whichRow, arr);
594 Float out;
595 IPosition ip(arr.shape());
596 ip(0) = beamSel_;ip(1) = IFSel_;ip(2) = polSel_;ip(3)=0;
597 out = arr(ip);
598 return out;
599}
600
601MDirection SDMemTable::getDirection(Int whichRow) const
602{
603 MDirection::Types mdr = getDirectionReference();
604 ROArrayColumn<Double> dir(table_, "DIRECTION");
605 Array<Double> posit;
606 dir.get(whichRow,posit);
607 Vector<Double> wpos(2);
608 wpos[0] = posit(IPosition(2,beamSel_,0));
609 wpos[1] = posit(IPosition(2,beamSel_,1));
610 Quantum<Double> lon(wpos[0],Unit(String("rad")));
611 Quantum<Double> lat(wpos[1],Unit(String("rad")));
612 MDirection direct(lon, lat, mdr);
613 return direct;
614}
615
616SpectralCoordinate SDMemTable::getCoordinate(uInt whichIdx) const
617{
618
619 Table t = table_.keywordSet().asTable("FREQUENCIES");
620 if (whichIdx > t.nrow() ) {
621 throw(AipsError("SDMemTable::getCoordinate - whichIdx out of range"));
622 }
623
624 Double rp,rv,inc;
625 String rf;
626 Vector<Double> vec;
627 ROScalarColumn<Double> rpc(t, "REFPIX");
628 ROScalarColumn<Double> rvc(t, "REFVAL");
629 ROScalarColumn<Double> incc(t, "INCREMENT");
630 t.keywordSet().get("RESTFREQS",vec);
631 t.keywordSet().get("BASEREFFRAME",rf);
632
633 MFrequency::Types mft;
634 if (!MFrequency::getType(mft, rf)) {
635 cerr << "Frequency type unknown assuming TOPO" << endl;
636 mft = MFrequency::TOPO;
637 }
638 rpc.get(whichIdx, rp);
639 rvc.get(whichIdx, rv);
640 incc.get(whichIdx, inc);
641 SpectralCoordinate spec(mft,rv,inc,rp);
642 if (vec.nelements() > 0)
643 spec.setRestFrequencies(vec);
644 return spec;
645}
646
647Bool SDMemTable::setCoordinate(const SpectralCoordinate& speccord,
648 uInt whichIdx) {
649 Table t = table_.rwKeywordSet().asTable("FREQUENCIES");
650 if (whichIdx > t.nrow() ) {
651 throw(AipsError("SDMemTable::setCoordinate - coord no out of range"));
652 }
653 ScalarColumn<Double> rpc(t, "REFPIX");
654 ScalarColumn<Double> rvc(t, "REFVAL");
655 ScalarColumn<Double> incc(t, "INCREMENT");
656
657 rpc.put(whichIdx, speccord.referencePixel()[0]);
658 rvc.put(whichIdx, speccord.referenceValue()[0]);
659 incc.put(whichIdx, speccord.increment()[0]);
660
661 return True;
662}
663
664Int SDMemTable::nCoordinates() const
665{
666 return table_.keywordSet().asTable("FREQUENCIES").nrow();
667}
668
669void SDMemTable::setRestFreqs(std::vector<double> freqs,
670 const std::string& theunit)
671{
672 Vector<Double> tvec(freqs);
673 Quantum<Vector<Double> > q(tvec, String(theunit));
674 tvec.resize();
675 tvec = q.getValue("Hz");
676 Table t = table_.keywordSet().asTable("FREQUENCIES");
677 t.rwKeywordSet().define("RESTFREQS",tvec);
678}
679
680std::vector<double> SDMemTable::getRestFreqs() const
681{
682 Table t = table_.keywordSet().asTable("FREQUENCIES");
683 Vector<Double> tvec;
684 t.keywordSet().get("RESTFREQS",tvec);
685 std::vector<double> stlout;
686 tvec.tovector(stlout);
687 return stlout;
688}
689
690bool SDMemTable::putSDFreqTable(const SDFrequencyTable& sdft)
691{
692 TableDesc td("", "1", TableDesc::Scratch);
693 td.addColumn(ScalarColumnDesc<Double>("REFPIX"));
694 td.addColumn(ScalarColumnDesc<Double>("REFVAL"));
695 td.addColumn(ScalarColumnDesc<Double>("INCREMENT"));
696 SetupNewTable aNewTab("freqs", td, Table::New);
697 Table aTable (aNewTab, Table::Memory, sdft.length());
698 ScalarColumn<Double> sc0(aTable, "REFPIX");
699 ScalarColumn<Double> sc1(aTable, "REFVAL");
700 ScalarColumn<Double> sc2(aTable, "INCREMENT");
701 for (uInt i=0; i < sdft.length(); ++i) {
702 sc0.put(i,sdft.referencePixel(i));
703 sc1.put(i,sdft.referenceValue(i));
704 sc2.put(i,sdft.increment(i));
705 }
706 String rf = sdft.refFrame();
707 if (rf.contains("TOPO")) rf = "TOPO";
708
709 aTable.rwKeywordSet().define("BASEREFFRAME", rf);
710 aTable.rwKeywordSet().define("REFFRAME", rf);
711 aTable.rwKeywordSet().define("EQUINOX", sdft.equinox());
712 aTable.rwKeywordSet().define("UNIT", String(""));
713 aTable.rwKeywordSet().define("DOPPLER", String("RADIO"));
714 Vector<Double> rfvec;
715 String rfunit;
716 sdft.restFrequencies(rfvec,rfunit);
717 Quantum<Vector<Double> > q(rfvec, rfunit);
718 rfvec.resize();
719 rfvec = q.getValue("Hz");
720 aTable.rwKeywordSet().define("RESTFREQS", rfvec);
721 table_.rwKeywordSet().defineTable ("FREQUENCIES", aTable);
722 return True;
723}
724
725SDFrequencyTable SDMemTable::getSDFreqTable() const
726{
727 // TODO !!!!! implement this properly USE with care
728 const Table& t = table_.keywordSet().asTable("FREQUENCIES");
729 SDFrequencyTable sdft;
730 sdft.setLength(t.nrow());
731 return sdft;
732}
733
734bool SDMemTable::putSDContainer(const SDContainer& sdc)
735{
736 ScalarColumn<Double> mjd(table_, "TIME");
737 ScalarColumn<String> srcn(table_, "SRCNAME");
738 ScalarColumn<String> fldn(table_, "FIELDNAME");
739 ArrayColumn<Float> spec(table_, "SPECTRA");
740 ArrayColumn<uChar> flags(table_, "FLAGTRA");
741 ArrayColumn<Float> ts(table_, "TSYS");
742 ScalarColumn<Int> scan(table_, "SCANID");
743 ScalarColumn<Double> integr(table_, "INTERVAL");
744 ArrayColumn<uInt> freqid(table_, "FREQID");
745 ArrayColumn<Double> dir(table_, "DIRECTION");
746 ScalarColumn<Int> rbeam(table_, "REFBEAM");
747 ArrayColumn<Float> tcal(table_, "TCAL");
748 ScalarColumn<String> tcalt(table_, "TCALTIME");
749 ScalarColumn<Float> az(table_, "AZIMUTH");
750 ScalarColumn<Float> el(table_, "ELEVATION");
751 ScalarColumn<Float> para(table_, "PARANGLE");
752 ArrayColumn<String> hist(table_, "HISTORY");
753
754 uInt rno = table_.nrow();
755 table_.addRow();
756
757 mjd.put(rno, sdc.timestamp);
758 srcn.put(rno, sdc.sourcename);
759 fldn.put(rno, sdc.fieldname);
760 spec.put(rno, sdc.getSpectrum());
761 flags.put(rno, sdc.getFlags());
762 ts.put(rno, sdc.getTsys());
763 scan.put(rno, sdc.scanid);
764 integr.put(rno, sdc.interval);
765 freqid.put(rno, sdc.getFreqMap());
766 dir.put(rno, sdc.getDirection());
767 rbeam.put(rno, sdc.refbeam);
768 tcal.put(rno, sdc.tcal);
769 tcalt.put(rno, sdc.tcaltime);
770 az.put(rno, sdc.azimuth);
771 el.put(rno, sdc.elevation);
772 para.put(rno, sdc.parangle);
773 hist.put(rno, sdc.getHistory());
774
775 return true;
776}
777
778SDContainer SDMemTable::getSDContainer(uInt whichRow) const
779{
780 ROScalarColumn<Double> mjd(table_, "TIME");
781 ROScalarColumn<String> srcn(table_, "SRCNAME");
782 ROScalarColumn<String> fldn(table_, "FIELDNAME");
783 ROArrayColumn<Float> spec(table_, "SPECTRA");
784 ROArrayColumn<uChar> flags(table_, "FLAGTRA");
785 ROArrayColumn<Float> ts(table_, "TSYS");
786 ROScalarColumn<Int> scan(table_, "SCANID");
787 ROScalarColumn<Double> integr(table_, "INTERVAL");
788 ROArrayColumn<uInt> freqid(table_, "FREQID");
789 ROArrayColumn<Double> dir(table_, "DIRECTION");
790 ROScalarColumn<Int> rbeam(table_, "REFBEAM");
791 ROArrayColumn<Float> tcal(table_, "TCAL");
792 ROScalarColumn<String> tcalt(table_, "TCALTIME");
793 ROScalarColumn<Float> az(table_, "AZIMUTH");
794 ROScalarColumn<Float> el(table_, "ELEVATION");
795 ROScalarColumn<Float> para(table_, "PARANGLE");
796 ROArrayColumn<String> hist(table_, "HISTORY");
797
798 SDContainer sdc(nBeam(),nIF(),nPol(),nChan());
799 mjd.get(whichRow, sdc.timestamp);
800 srcn.get(whichRow, sdc.sourcename);
801 integr.get(whichRow, sdc.interval);
802 scan.get(whichRow, sdc.scanid);
803 fldn.get(whichRow, sdc.fieldname);
804 rbeam.get(whichRow, sdc.refbeam);
805 az.get(whichRow, sdc.azimuth);
806 el.get(whichRow, sdc.elevation);
807 para.get(whichRow, sdc.parangle);
808 Vector<Float> tc;
809 tcal.get(whichRow, tc);
810 sdc.tcal[0] = tc[0];sdc.tcal[1] = tc[1];
811 tcalt.get(whichRow, sdc.tcaltime);
812 Array<Float> spectrum;
813 Array<Float> tsys;
814 Array<uChar> flagtrum;
815 Vector<uInt> fmap;
816 Array<Double> direction;
817 Vector<String> histo;
818 spec.get(whichRow, spectrum);
819 sdc.putSpectrum(spectrum);
820 flags.get(whichRow, flagtrum);
821 sdc.putFlags(flagtrum);
822 ts.get(whichRow, tsys);
823 sdc.putTsys(tsys);
824 freqid.get(whichRow, fmap);
825 sdc.putFreqMap(fmap);
826 dir.get(whichRow, direction);
827 sdc.putDirection(direction);
828 hist.get(whichRow, histo);
829 sdc.putHistory(histo);
830 return sdc;
831}
832
833bool SDMemTable::putSDHeader(const SDHeader& sdh)
834{
835 table_.rwKeywordSet().define("nIF", sdh.nif);
836 table_.rwKeywordSet().define("nBeam", sdh.nbeam);
837 table_.rwKeywordSet().define("nPol", sdh.npol);
838 table_.rwKeywordSet().define("nChan", sdh.nchan);
839 table_.rwKeywordSet().define("Observer", sdh.observer);
840 table_.rwKeywordSet().define("Project", sdh.project);
841 table_.rwKeywordSet().define("Obstype", sdh.obstype);
842 table_.rwKeywordSet().define("AntennaName", sdh.antennaname);
843 table_.rwKeywordSet().define("AntennaPosition", sdh.antennaposition);
844 table_.rwKeywordSet().define("Equinox", sdh.equinox);
845 table_.rwKeywordSet().define("FreqRefFrame", sdh.freqref);
846 table_.rwKeywordSet().define("FreqRefVal", sdh.reffreq);
847 table_.rwKeywordSet().define("Bandwidth", sdh.bandwidth);
848 table_.rwKeywordSet().define("UTC", sdh.utc);
849 table_.rwKeywordSet().define("FluxUnit", sdh.fluxunit);
850 table_.rwKeywordSet().define("Epoch", sdh.epoch);
851 return true;
852}
853
854SDHeader SDMemTable::getSDHeader() const
855{
856 SDHeader sdh;
857 table_.keywordSet().get("nBeam",sdh.nbeam);
858 table_.keywordSet().get("nIF",sdh.nif);
859 table_.keywordSet().get("nPol",sdh.npol);
860 table_.keywordSet().get("nChan",sdh.nchan);
861 table_.keywordSet().get("Observer", sdh.observer);
862 table_.keywordSet().get("Project", sdh.project);
863 table_.keywordSet().get("Obstype", sdh.obstype);
864 table_.keywordSet().get("AntennaName", sdh.antennaname);
865 table_.keywordSet().get("AntennaPosition", sdh.antennaposition);
866 table_.keywordSet().get("Equinox", sdh.equinox);
867 table_.keywordSet().get("FreqRefFrame", sdh.freqref);
868 table_.keywordSet().get("FreqRefVal", sdh.reffreq);
869 table_.keywordSet().get("Bandwidth", sdh.bandwidth);
870 table_.keywordSet().get("UTC", sdh.utc);
871 table_.keywordSet().get("FluxUnit", sdh.fluxunit);
872 table_.keywordSet().get("Epoch", sdh.epoch);
873 return sdh;
874}
875void SDMemTable::makePersistent(const std::string& filename)
876{
877 table_.deepCopy(filename,Table::New);
878}
879
880Int SDMemTable::nScan() const {
881 Int n = 0;
882 ROScalarColumn<Int> scans(table_, "SCANID");
883 Int previous = -1;Int current=0;
884 for (uInt i=0; i< scans.nrow();i++) {
885 scans.getScalar(i,current);
886 if (previous != current) {
887 previous = current;
888 n++;
889 }
890 }
891 return n;
892}
893
894String SDMemTable::formatSec(Double x)
895{
896 Double xcop = x;
897 MVTime mvt(xcop/24./3600.); // make days
898 if (x < 59.95)
899 return String(" ") + mvt.string(MVTime::TIME_CLEAN_NO_HM, 7)+"s";
900 return mvt.string(MVTime::TIME_CLEAN_NO_H, 7)+" ";
901};
902
903std::string SDMemTable::getFluxUnit() const
904{
905 String tmp;
906 table_.keywordSet().get("FluxUnit", tmp);
907 return tmp;
908}
909
910void SDMemTable::setFluxUnit(const std::string& unit)
911{
912 String tmp(unit);
913 Unit tU(tmp);
914 if (tU==Unit("K") || tU==Unit("Jy")) {
915 table_.rwKeywordSet().define(String("FluxUnit"), tmp);
916 } else {
917 throw AipsError("Illegal unit - must be compatible with Jy or K");
918 }
919}
920
921void SDMemTable::setInstrument(const std::string& name)
922{
923 Bool throwIt = True;
924 Instrument ins = convertInstrument (name, throwIt);
925 String nameU(name);
926 nameU.upcase();
927 table_.rwKeywordSet().define(String("AntennaName"), nameU);
928}
929
930std::string SDMemTable::summary() {
931 ROScalarColumn<Int> scans(table_, "SCANID");
932 ROScalarColumn<String> srcs(table_, "SRCNAME");
933 ostringstream oss;
934 oss << endl;
935 oss << "--------------------------------------------------" << endl;
936 oss << " Scan Table Summary" << endl;
937 oss << "--------------------------------------------------" << endl;
938 oss.flags(std::ios_base::left);
939 oss << setw(15) << "Beams:" << setw(4) << nBeam() << endl
940 << setw(15) << "IFs:" << setw(4) << nIF() << endl
941 << setw(15) << "Polarisations:" << setw(4) << nPol() << endl
942 << setw(15) << "Channels:" << setw(4) << nChan() << endl;
943 oss << endl;
944 String tmp;
945 table_.keywordSet().get("Observer", tmp);
946 oss << setw(15) << "Observer:" << tmp << endl;
947 table_.keywordSet().get("Project", tmp);
948 oss << setw(15) << "Project:" << tmp << endl;
949 table_.keywordSet().get("Obstype", tmp);
950 oss << setw(15) << "Obs. Type:" << tmp << endl;
951 table_.keywordSet().get("AntennaName", tmp);
952 oss << setw(15) << "Antenna Name:" << tmp << endl;
953 table_.keywordSet().get("FluxUnit", tmp);
954 oss << setw(15) << "Flux Unit:" << tmp << endl;
955 Table t = table_.rwKeywordSet().asTable("FREQUENCIES");
956 Vector<Double> vec;
957 t.keywordSet().get("RESTFREQS",vec);
958 oss << setw(15) << "Rest Freqs:";
959 if (vec.nelements() > 0) {
960 oss << setprecision(0) << vec << " [Hz]" << endl;
961 } else {
962 oss << "None set" << endl;
963 }
964 oss << setw(15) << "Abcissa:" << getAbcissaString() << endl;
965 oss << setw(15) << "Cursor:" << "Beam[" << getBeam() << "] "
966 << "IF[" << getIF() << "] " << "Pol[" << getPol() << "]" << endl;
967 oss << endl;
968 uInt count = 0;
969 String name;
970 Int previous = -1;Int current=0;
971 Int integ = 0;
972 oss << setw(6) << "Scan"
973 << setw(12) << "Source"
974 << setw(21) << "Time"
975 << setw(11) << "Integration" << endl;
976 oss << "--------------------------------------------------" << endl;
977 for (uInt i=0; i< scans.nrow();i++) {
978 scans.getScalar(i,current);
979 if (previous != current) {
980 srcs.getScalar(i,name);
981 previous = current;
982 String t = formatSec(Double(getInterval(i)));
983 oss << setw(6) << count << setw(12) << name << setw(21) << getTime(i)
984 << setw(2) << setprecision(1)
985 << t << endl;
986 count++;
987 } else {
988 integ++;
989 }
990 }
991 oss << endl;
992 oss << "Table contains " << table_.nrow() << " integration(s)." << endl;
993 oss << "in " << count << " scan(s)." << endl;
994 oss << "--------------------------------------------------";
995 return String(oss);
996}
997
998Int SDMemTable::nBeam() const
999{
1000 Int n;
1001 table_.keywordSet().get("nBeam",n);
1002 return n;
1003}
1004Int SDMemTable::nIF() const {
1005 Int n;
1006 table_.keywordSet().get("nIF",n);
1007 return n;
1008}
1009Int SDMemTable::nPol() const {
1010 Int n;
1011 table_.keywordSet().get("nPol",n);
1012 return n;
1013}
1014Int SDMemTable::nChan() const {
1015 Int n;
1016 table_.keywordSet().get("nChan",n);
1017 return n;
1018}
1019bool SDMemTable::appendHistory(const std::string& hist, int whichRow)
1020{
1021 ArrayColumn<String> histo(table_, "HISTORY");
1022 Vector<String> history;
1023 histo.get(whichRow, history);
1024 history.resize(history.nelements()+1,True);
1025 history[history.nelements()-1] = hist;
1026 histo.put(whichRow, history);
1027}
1028
1029std::vector<std::string> SDMemTable::history(int whichRow) const
1030{
1031 ROArrayColumn<String> hist(table_, "HISTORY");
1032 Vector<String> history;
1033 hist.get(whichRow, history);
1034 std::vector<std::string> stlout;
1035 // there is no Array<String>.tovector(std::vector<std::string>), so
1036 // do it by hand
1037 for (uInt i=0; i<history.nelements(); ++i) {
1038 stlout.push_back(history[i]);
1039 }
1040 return stlout;
1041}
1042/*
1043void SDMemTable::maskChannels(const std::vector<Int>& whichChans ) {
1044
1045 std::vector<int>::iterator it;
1046 ArrayAccessor<uChar, Axis<asap::PolAxis> > j(flags_);
1047 for (it = whichChans.begin(); it != whichChans.end(); it++) {
1048 j.reset(j.begin(uInt(*it)));
1049 for (ArrayAccessor<uChar, Axis<asap::BeamAxis> > i(j); i != i.end(); ++i) {
1050 for (ArrayAccessor<uChar, Axis<asap::IFAxis> > ii(i); ii != ii.end(); ++ii) {
1051 for (ArrayAccessor<uChar, Axis<asap::ChanAxis> > iii(ii);
1052 iii != iii.end(); ++iii) {
1053 (*iii) =
1054 }
1055 }
1056 }
1057 }
1058
1059}
1060*/
1061void SDMemTable::flag(int whichRow)
1062{
1063 ArrayColumn<uChar> spec(table_, "FLAGTRA");
1064 Array<uChar> arr;
1065 spec.get(whichRow, arr);
1066
1067 ArrayAccessor<uChar, Axis<asap::BeamAxis> > aa0(arr);
1068 aa0.reset(aa0.begin(uInt(beamSel_)));//go to beam
1069 ArrayAccessor<uChar, Axis<asap::IFAxis> > aa1(aa0);
1070 aa1.reset(aa1.begin(uInt(IFSel_)));// go to IF
1071 ArrayAccessor<uChar, Axis<asap::PolAxis> > aa2(aa1);
1072 aa2.reset(aa2.begin(uInt(polSel_)));// go to pol
1073
1074 for (ArrayAccessor<uChar, Axis<asap::ChanAxis> > i(aa2); i != i.end(); ++i) {
1075 (*i) = uChar(True);
1076 }
1077
1078 spec.put(whichRow, arr);
1079}
1080
1081MDirection::Types SDMemTable::getDirectionReference () const
1082{
1083 Float eq;
1084 table_.keywordSet().get("Equinox",eq);
1085 std::map<float,string> mp;
1086 mp[2000.0] = "J2000";
1087 mp[1950.0] = "B1950";
1088 MDirection::Types mdr;
1089 if (!MDirection::getType(mdr, mp[eq])) {
1090 mdr = MDirection::J2000;
1091 cerr << "Unknown equinox using J2000" << endl;
1092 }
1093//
1094 return mdr;
1095}
1096
1097MEpoch::Types SDMemTable::getTimeReference () const
1098{
1099 MEpoch::Types met;
1100 String ep;
1101 table_.keywordSet().get("Epoch",ep);
1102 if (!MEpoch::getType(met, ep)) {
1103 cerr << "Epoch type uknown - using UTC" << endl;
1104 met = MEpoch::UTC;
1105 }
1106//
1107 return met;
1108}
1109
1110
1111Instrument SDMemTable::convertInstrument (const String& instrument,
1112 Bool throwIt)
1113{
1114 String t(instrument);
1115 t.upcase();
1116//
1117 Instrument inst = asap::UNKNOWN;
1118 if (t==String("TID")) {
1119 inst = TIDBINBILLA;
1120 } else if (t==String("ATPKSMB")) {
1121 inst = PKSMULTIBEAM;
1122 } else if (t==String("ATPKSSB")) {
1123 inst = PKSSINGLEBEAM;
1124 } else if (t==String("MOPRA")) {
1125 inst = MOPRA;
1126 } else {
1127 if (throwIt) {
1128 throw AipsError("Unrecognized instrument - use function scan.set_instrument to set");
1129 }
1130 }
1131 return inst;
1132}
1133
Note: See TracBrowser for help on using the repository browser.