source: trunk/src/SDMemTable.cc@ 393

Last change on this file since 393 was 392, checked in by kil064, 20 years ago

merge SDMemTable::{selectRestFrequcy,setRestFrequencies} into one function,
setRestFrequencies
  • Property svn:eol-style set to native
  • Property svn:keywords set to Author Date Id Revision
File size: 40.0 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#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 cout << exprs << endl;
114 Table t = tableCommand(exprs,tab);
115 if (t.nrow() == 0)
116 throw(AipsError("Query unsuccessful."));
117 table_ = t.copyToMemoryTable("dummy");
118 attach();
119 renumber();
120}
121
122SDMemTable::~SDMemTable()
123{
124 //cerr << "goodbye from SDMemTable @ " << this << endl;
125}
126
127SDMemTable SDMemTable::getScan(Int scanID) const
128{
129 String cond("SELECT * from $1 WHERE SCANID == ");
130 cond += String::toString(scanID);
131 return SDMemTable(table_, cond);
132}
133
134SDMemTable &SDMemTable::operator=(const SDMemTable& other)
135{
136 if (this != &other) {
137 IFSel_= other.IFSel_;
138 beamSel_= other.beamSel_;
139 polSel_= other.polSel_;
140 chanMask_.resize(0);
141 chanMask_ = other.chanMask_;
142 table_ = other.table_.copyToMemoryTable(String("dummy"));
143 attach();
144 }
145 //cerr << "hello from ASS SDMemTable @ " << this << endl;
146 return *this;
147}
148
149SDMemTable SDMemTable::getSource(const std::string& source) const
150{
151 String cond("SELECT * from $1 WHERE SRCNAME == ");
152 cond += source;
153 return SDMemTable(table_, cond);
154}
155
156void SDMemTable::setup()
157{
158 TableDesc td("", "1", TableDesc::Scratch);
159 td.comment() = "A SDMemTable";
160//
161 td.addColumn(ScalarColumnDesc<Double>("TIME"));
162 td.addColumn(ScalarColumnDesc<String>("SRCNAME"));
163 td.addColumn(ArrayColumnDesc<Float>("SPECTRA"));
164 td.addColumn(ArrayColumnDesc<uChar>("FLAGTRA"));
165 td.addColumn(ArrayColumnDesc<Float>("TSYS"));
166 td.addColumn(ScalarColumnDesc<Int>("SCANID"));
167 td.addColumn(ScalarColumnDesc<Double>("INTERVAL"));
168 td.addColumn(ArrayColumnDesc<uInt>("FREQID"));
169 td.addColumn(ArrayColumnDesc<uInt>("RESTFREQID"));
170 td.addColumn(ArrayColumnDesc<Double>("DIRECTION"));
171 td.addColumn(ScalarColumnDesc<String>("FIELDNAME"));
172 td.addColumn(ScalarColumnDesc<String>("TCALTIME"));
173 td.addColumn(ArrayColumnDesc<Float>("TCAL"));
174 td.addColumn(ScalarColumnDesc<Float>("AZIMUTH"));
175 td.addColumn(ScalarColumnDesc<Float>("ELEVATION"));
176 td.addColumn(ScalarColumnDesc<Float>("PARANGLE"));
177 td.addColumn(ScalarColumnDesc<Int>("REFBEAM"));
178 td.addColumn(ArrayColumnDesc<String>("HISTORY"));
179
180 // Now create a new table from the description.
181
182 SetupNewTable aNewTab("dummy", td, Table::New);
183 table_ = Table(aNewTab, Table::Memory, 0);
184}
185
186void SDMemTable::attach()
187{
188 timeCol_.attach(table_, "TIME");
189 srcnCol_.attach(table_, "SRCNAME");
190 specCol_.attach(table_, "SPECTRA");
191 flagsCol_.attach(table_, "FLAGTRA");
192 tsCol_.attach(table_, "TSYS");
193 scanCol_.attach(table_, "SCANID");
194 integrCol_.attach(table_, "INTERVAL");
195 freqidCol_.attach(table_, "FREQID");
196 restfreqidCol_.attach(table_, "RESTFREQID");
197 dirCol_.attach(table_, "DIRECTION");
198 fldnCol_.attach(table_, "FIELDNAME");
199 tcaltCol_.attach(table_, "TCALTIME");
200 tcalCol_.attach(table_, "TCAL");
201 azCol_.attach(table_, "AZIMUTH");
202 elCol_.attach(table_, "ELEVATION");
203 paraCol_.attach(table_, "PARANGLE");
204 rbeamCol_.attach(table_, "REFBEAM");
205 histCol_.attach(table_, "HISTORY");
206}
207
208
209std::string SDMemTable::getSourceName(Int whichRow) const
210{
211 String name;
212 srcnCol_.get(whichRow, name);
213 return name;
214}
215
216std::string SDMemTable::getTime(Int whichRow, Bool showDate) const
217{
218 Double tm;
219 if (whichRow > -1) {
220 timeCol_.get(whichRow, tm);
221 } else {
222 table_.keywordSet().get("UTC",tm);
223 }
224 MVTime mvt(tm);
225 if (showDate)
226 mvt.setFormat(MVTime::YMD);
227 else
228 mvt.setFormat(MVTime::TIME);
229 ostringstream oss;
230 oss << mvt;
231 return String(oss);
232}
233
234double SDMemTable::getInterval(Int whichRow) const
235{
236 Double intval;
237 integrCol_.get(whichRow, intval);
238 return intval;
239}
240
241bool SDMemTable::setIF(Int whichIF)
242{
243 if ( whichIF >= 0 && whichIF < nIF()) {
244 IFSel_ = whichIF;
245 return true;
246 }
247 return false;
248}
249
250bool SDMemTable::setBeam(Int whichBeam)
251{
252 if ( whichBeam >= 0 && whichBeam < nBeam()) {
253 beamSel_ = whichBeam;
254 return true;
255 }
256 return false;
257}
258
259bool SDMemTable::setPol(Int whichPol)
260{
261 if ( whichPol >= 0 && whichPol < nPol()) {
262 polSel_ = whichPol;
263 return true;
264 }
265 return false;
266}
267
268void SDMemTable::resetCursor()
269{
270 polSel_ = 0;
271 IFSel_ = 0;
272 beamSel_ = 0;
273}
274
275bool SDMemTable::setMask(std::vector<int> whichChans)
276{
277 std::vector<int>::iterator it;
278 uInt n = flagsCol_.shape(0)(3);
279 if (whichChans.empty()) {
280 chanMask_ = std::vector<bool>(n,true);
281 return true;
282 }
283 chanMask_.resize(n,true);
284 for (it = whichChans.begin(); it != whichChans.end(); ++it) {
285 if (*it < n) {
286 chanMask_[*it] = false;
287 }
288 }
289 return true;
290}
291
292std::vector<bool> SDMemTable::getMask(Int whichRow) const {
293 std::vector<bool> mask;
294 Array<uChar> arr;
295 flagsCol_.get(whichRow, arr);
296 ArrayAccessor<uChar, Axis<asap::BeamAxis> > aa0(arr);
297 aa0.reset(aa0.begin(uInt(beamSel_)));//go to beam
298 ArrayAccessor<uChar, Axis<asap::IFAxis> > aa1(aa0);
299 aa1.reset(aa1.begin(uInt(IFSel_)));// go to IF
300 ArrayAccessor<uChar, Axis<asap::PolAxis> > aa2(aa1);
301 aa2.reset(aa2.begin(uInt(polSel_)));// go to pol
302
303 Bool useUserMask = ( chanMask_.size() == arr.shape()(3) );
304
305 std::vector<bool> tmp;
306 tmp = chanMask_; // WHY the fxxx do I have to make a copy here
307 std::vector<bool>::iterator miter;
308 miter = tmp.begin();
309
310 for (ArrayAccessor<uChar, Axis<asap::ChanAxis> > i(aa2); i != i.end(); ++i) {
311 bool out =!static_cast<bool>(*i);
312 if (useUserMask) {
313 out = out && (*miter);
314 miter++;
315 }
316 mask.push_back(out);
317 }
318 return mask;
319}
320std::vector<float> SDMemTable::getSpectrum(Int whichRow) const
321{
322 std::vector<float> spectrum;
323 Array<Float> arr;
324 specCol_.get(whichRow, arr);
325 ArrayAccessor<Float, Axis<asap::BeamAxis> > aa0(arr);
326 aa0.reset(aa0.begin(uInt(beamSel_)));//go to beam
327 ArrayAccessor<Float, Axis<asap::IFAxis> > aa1(aa0);
328 aa1.reset(aa1.begin(uInt(IFSel_)));// go to IF
329 ArrayAccessor<Float, Axis<asap::PolAxis> > aa2(aa1);
330 aa2.reset(aa2.begin(uInt(polSel_)));// go to pol
331 for (ArrayAccessor<Float, Axis<asap::ChanAxis> > i(aa2); i != i.end(); ++i) {
332 spectrum.push_back(*i);
333 }
334 return spectrum;
335}
336std::vector<string> SDMemTable::getCoordInfo() const
337{
338 String un;
339 Table t = table_.keywordSet().asTable("FREQUENCIES");
340 String sunit;
341 t.keywordSet().get("UNIT",sunit);
342 String dpl;
343 t.keywordSet().get("DOPPLER",dpl);
344 if (dpl == "") dpl = "RADIO";
345 String rfrm;
346 t.keywordSet().get("REFFRAME",rfrm);
347 std::vector<string> inf;
348 inf.push_back(sunit);
349 inf.push_back(rfrm);
350 inf.push_back(dpl);
351 t.keywordSet().get("BASEREFFRAME",rfrm);
352 inf.push_back(rfrm);
353 return inf;
354}
355
356void SDMemTable::setCoordInfo(std::vector<string> theinfo)
357{
358 std::vector<string>::iterator it;
359 String un,rfrm, brfrm,dpl;
360 un = theinfo[0]; // Abcissa unit
361 rfrm = theinfo[1]; // Active (or conversion) frame
362 dpl = theinfo[2]; // Doppler
363 brfrm = theinfo[3]; // Base frame
364//
365 Table t = table_.rwKeywordSet().asTable("FREQUENCIES");
366//
367 Vector<Double> rstf;
368 t.keywordSet().get("RESTFREQS",rstf);
369//
370 Bool canDo = True;
371 Unit u1("km/s");Unit u2("Hz");
372 if (Unit(un) == u1) {
373 Vector<Double> rstf;
374 t.keywordSet().get("RESTFREQS",rstf);
375 if (rstf.nelements() == 0) {
376 throw(AipsError("Can't set unit to km/s if no restfrequencies are specified"));
377 }
378 } else if (Unit(un) != u2 && un != "") {
379 throw(AipsError("Unit not conformant with Spectral Coordinates"));
380 }
381 t.rwKeywordSet().define("UNIT", un);
382//
383 MFrequency::Types mdr;
384 if (!MFrequency::getType(mdr, rfrm)) {
385
386 Int a,b;const uInt* c;
387 const String* valid = MFrequency::allMyTypes(a, b, c);
388 String pfix = "Please specify a legal frame type. Types are\n";
389 throw(AipsError(pfix+(*valid)));
390 } else {
391 t.rwKeywordSet().define("REFFRAME",rfrm);
392 }
393//
394 MDoppler::Types dtype;
395 dpl.upcase();
396 if (!MDoppler::getType(dtype, dpl)) {
397 throw(AipsError("Doppler type unknown"));
398 } else {
399 t.rwKeywordSet().define("DOPPLER",dpl);
400 }
401//
402 if (!MFrequency::getType(mdr, brfrm)) {
403 Int a,b;const uInt* c;
404 const String* valid = MFrequency::allMyTypes(a, b, c);
405 String pfix = "Please specify a legal frame type. Types are\n";
406 throw(AipsError(pfix+(*valid)));
407 } else {
408 t.rwKeywordSet().define("BASEREFFRAME",brfrm);
409 }
410}
411
412
413std::vector<double> SDMemTable::getAbcissa(Int whichRow) const
414{
415 std::vector<double> abc(nChan());
416
417// Get header units keyword
418
419 Table t = table_.keywordSet().asTable("FREQUENCIES");
420 String sunit;
421 t.keywordSet().get("UNIT",sunit);
422 if (sunit == "") sunit = "pixel";
423 Unit u(sunit);
424
425// Easy if just wanting pixels
426
427 if (sunit==String("pixel")) {
428 // assume channels/pixels
429 std::vector<double>::iterator it;
430 uInt i=0;
431 for (it = abc.begin(); it != abc.end(); ++it) {
432 (*it) = Double(i++);
433 }
434//
435 return abc;
436 }
437
438// Continue with km/s or Hz. Get FreqIDs
439
440 Vector<uInt> freqIDs;
441 freqidCol_.get(whichRow, freqIDs);
442 uInt freqID = freqIDs(IFSel_);
443 restfreqidCol_.get(whichRow, freqIDs);
444 uInt restFreqID = freqIDs(IFSel_);
445
446// Get SpectralCoordinate, set reference frame conversion,
447// velocity conversion, and rest freq state
448
449 SpectralCoordinate spc = getSpectralCoordinate(freqID, restFreqID, whichRow);
450 Vector<Double> pixel(nChan());
451 indgen(pixel);
452//
453 if (u == Unit("km/s")) {
454 Vector<Double> world;
455 spc.pixelToVelocity(world,pixel);
456 std::vector<double>::iterator it;
457 uInt i = 0;
458 for (it = abc.begin(); it != abc.end(); ++it) {
459 (*it) = world[i];
460 i++;
461 }
462 } else if (u == Unit("Hz")) {
463
464// Set world axis units
465
466 Vector<String> wau(1); wau = u.getName();
467 spc.setWorldAxisUnits(wau);
468//
469 std::vector<double>::iterator it;
470 Double tmp;
471 uInt i = 0;
472 for (it = abc.begin(); it != abc.end(); ++it) {
473 spc.toWorld(tmp,pixel[i]);
474 (*it) = tmp;
475 i++;
476 }
477 }
478 return abc;
479}
480
481std::string SDMemTable::getAbcissaString(Int whichRow) const
482{
483 Table t = table_.keywordSet().asTable("FREQUENCIES");
484//
485 String sunit;
486 t.keywordSet().get("UNIT",sunit);
487 if (sunit == "") sunit = "pixel";
488 Unit u(sunit);
489//
490 Vector<uInt> freqIDs;
491 freqidCol_.get(whichRow, freqIDs);
492 uInt freqID = freqIDs(IFSel_);
493 restfreqidCol_.get(whichRow, freqIDs);
494 uInt restFreqID = freqIDs(IFSel_);
495
496// Get SpectralCoordinate, with frame, velocity, rest freq state set
497
498 SpectralCoordinate spc = getSpectralCoordinate(freqID, restFreqID, whichRow);
499//
500 String s = "Channel";
501 if (u == Unit("km/s")) {
502 s = CoordinateUtil::axisLabel(spc,0,True,True,True);
503 } else if (u == Unit("Hz")) {
504 Vector<String> wau(1);wau = u.getName();
505 spc.setWorldAxisUnits(wau);
506//
507 s = CoordinateUtil::axisLabel(spc,0,True,True,False);
508 }
509 return s;
510}
511
512void SDMemTable::setSpectrum(std::vector<float> spectrum, int whichRow)
513{
514 Array<Float> arr;
515 specCol_.get(whichRow, arr);
516 if (spectrum.size() != arr.shape()(3)) {
517 throw(AipsError("Attempting to set spectrum with incorrect length."));
518 }
519
520 ArrayAccessor<Float, Axis<asap::BeamAxis> > aa0(arr);
521 aa0.reset(aa0.begin(uInt(beamSel_)));//go to beam
522 ArrayAccessor<Float, Axis<asap::IFAxis> > aa1(aa0);
523 aa1.reset(aa1.begin(uInt(IFSel_)));// go to IF
524 ArrayAccessor<Float, Axis<asap::PolAxis> > aa2(aa1);
525 aa2.reset(aa2.begin(uInt(polSel_)));// go to pol
526
527 std::vector<float>::iterator it = spectrum.begin();
528 for (ArrayAccessor<Float, Axis<asap::ChanAxis> > i(aa2); i != i.end(); ++i) {
529 (*i) = Float(*it);
530 it++;
531 }
532 specCol_.put(whichRow, arr);
533}
534
535void SDMemTable::getSpectrum(Vector<Float>& spectrum, Int whichRow) const
536{
537 Array<Float> arr;
538 specCol_.get(whichRow, arr);
539 spectrum.resize(arr.shape()(3));
540 ArrayAccessor<Float, Axis<asap::BeamAxis> > aa0(arr);
541 aa0.reset(aa0.begin(uInt(beamSel_)));//go to beam
542 ArrayAccessor<Float, Axis<asap::IFAxis> > aa1(aa0);
543 aa1.reset(aa1.begin(uInt(IFSel_)));// go to IF
544 ArrayAccessor<Float, Axis<asap::PolAxis> > aa2(aa1);
545 aa2.reset(aa2.begin(uInt(polSel_)));// go to pol
546
547 ArrayAccessor<Float, Axis<asap::BeamAxis> > va(spectrum);
548 for (ArrayAccessor<Float, Axis<asap::ChanAxis> > i(aa2); i != i.end(); ++i) {
549 (*va) = (*i);
550 va++;
551 }
552}
553/*
554void SDMemTable::getMask(Vector<Bool>& mask, Int whichRow) const {
555 Array<uChar> arr;
556 flagsCol_.get(whichRow, arr);
557 mask.resize(arr.shape()(3));
558
559 ArrayAccessor<uChar, Axis<asap::BeamAxis> > aa0(arr);
560 aa0.reset(aa0.begin(uInt(beamSel_)));//go to beam
561 ArrayAccessor<uChar, Axis<asap::IFAxis> > aa1(aa0);
562 aa1.reset(aa1.begin(uInt(IFSel_)));// go to IF
563 ArrayAccessor<uChar, Axis<asap::PolAxis> > aa2(aa1);
564 aa2.reset(aa2.begin(uInt(polSel_)));// go to pol
565
566 Bool useUserMask = ( chanMask_.size() == arr.shape()(3) );
567
568 ArrayAccessor<Bool, Axis<asap::BeamAxis> > va(mask);
569 std::vector<bool> tmp;
570 tmp = chanMask_; // WHY the fxxx do I have to make a copy here. The
571 // iterator should work on chanMask_??
572 std::vector<bool>::iterator miter;
573 miter = tmp.begin();
574
575 for (ArrayAccessor<uChar, Axis<asap::ChanAxis> > i(aa2); i != i.end(); ++i) {
576 bool out =!static_cast<bool>(*i);
577 if (useUserMask) {
578 out = out && (*miter);
579 miter++;
580 }
581 (*va) = out;
582 va++;
583 }
584}
585*/
586MaskedArray<Float> SDMemTable::rowAsMaskedArray(uInt whichRow,
587 Bool useSelection) const
588{
589 Array<Float> arr;
590 Array<uChar> farr;
591 specCol_.get(whichRow, arr);
592 flagsCol_.get(whichRow, farr);
593 Array<Bool> barr(farr.shape());convertArray(barr, farr);
594 MaskedArray<Float> marr;
595 if (useSelection) {
596 ArrayAccessor<Float, Axis<asap::BeamAxis> > aa0(arr);
597 aa0.reset(aa0.begin(uInt(beamSel_)));//go to beam
598 ArrayAccessor<Float, Axis<asap::IFAxis> > aa1(aa0);
599 aa1.reset(aa1.begin(uInt(IFSel_)));// go to IF
600 ArrayAccessor<Float, Axis<asap::PolAxis> > aa2(aa1);
601 aa2.reset(aa2.begin(uInt(polSel_)));// go to pol
602
603 ArrayAccessor<Bool, Axis<asap::BeamAxis> > baa0(barr);
604 baa0.reset(baa0.begin(uInt(beamSel_)));//go to beam
605 ArrayAccessor<Bool, Axis<asap::IFAxis> > baa1(baa0);
606 baa1.reset(baa1.begin(uInt(IFSel_)));// go to IF
607 ArrayAccessor<Bool, Axis<asap::PolAxis> > baa2(baa1);
608 baa2.reset(baa2.begin(uInt(polSel_)));// go to pol
609
610 Vector<Float> a(arr.shape()(3));
611 Vector<Bool> b(barr.shape()(3));
612 ArrayAccessor<Float, Axis<asap::BeamAxis> > a0(a);
613 ArrayAccessor<Bool, Axis<asap::BeamAxis> > b0(b);
614
615 ArrayAccessor<Bool, Axis<asap::ChanAxis> > j(baa2);
616 for (ArrayAccessor<Float, Axis<asap::ChanAxis> > i(aa2);
617 i != i.end(); ++i) {
618 (*a0) = (*i);
619 (*b0) = !(*j);
620 j++;
621 a0++;
622 b0++;
623 }
624 marr.setData(a,b);
625 } else {
626 marr.setData(arr,!barr);
627 }
628 return marr;
629}
630
631Float SDMemTable::getTsys(Int whichRow) const
632{
633 Array<Float> arr;
634 tsCol_.get(whichRow, arr);
635 Float out;
636 IPosition ip(arr.shape());
637 ip(0) = beamSel_;ip(1) = IFSel_;ip(2) = polSel_;ip(3)=0;
638 out = arr(ip);
639 return out;
640}
641
642MDirection SDMemTable::getDirection(Int whichRow, Bool refBeam) const
643{
644 MDirection::Types mdr = getDirectionReference();
645 Array<Double> posit;
646 dirCol_.get(whichRow,posit);
647 Vector<Double> wpos(2);
648 Int rb;
649 rbeamCol_.get(whichRow,rb);
650 wpos[0] = posit(IPosition(2,beamSel_,0));
651 wpos[1] = posit(IPosition(2,beamSel_,1));
652 if (refBeam && rb > -1) { // use refBeam instead if it exists
653 wpos[0] = posit(IPosition(2,rb,0));
654 wpos[1] = posit(IPosition(2,rb,1));
655 }
656
657 Quantum<Double> lon(wpos[0],Unit(String("rad")));
658 Quantum<Double> lat(wpos[1],Unit(String("rad")));
659 return MDirection(lon, lat, mdr);
660}
661
662MEpoch SDMemTable::getEpoch(Int whichRow) const
663{
664 MEpoch::Types met = getTimeReference();
665//
666 Double obstime;
667 timeCol_.get(whichRow,obstime);
668 MVEpoch tm2(Quantum<Double>(obstime, Unit(String("d"))));
669 return MEpoch(tm2, met);
670}
671
672MPosition SDMemTable::getAntennaPosition () const
673{
674 Vector<Double> antpos;
675 table_.keywordSet().get("AntennaPosition", antpos);
676 MVPosition mvpos(antpos(0),antpos(1),antpos(2));
677 return MPosition(mvpos);
678}
679
680
681SpectralCoordinate SDMemTable::getSpectralCoordinate(uInt freqID) const
682{
683
684 Table t = table_.keywordSet().asTable("FREQUENCIES");
685 if (freqID> t.nrow() ) {
686 throw(AipsError("SDMemTable::getSpectralCoordinate - freqID out of range"));
687 }
688
689 Double rp,rv,inc;
690 String rf;
691 ROScalarColumn<Double> rpc(t, "REFPIX");
692 ROScalarColumn<Double> rvc(t, "REFVAL");
693 ROScalarColumn<Double> incc(t, "INCREMENT");
694 t.keywordSet().get("BASEREFFRAME",rf);
695
696// Create SpectralCoordinate (units Hz)
697
698 MFrequency::Types mft;
699 if (!MFrequency::getType(mft, rf)) {
700 cerr << "Frequency type unknown assuming TOPO" << endl;
701 mft = MFrequency::TOPO;
702 }
703 rpc.get(freqID, rp);
704 rvc.get(freqID, rv);
705 incc.get(freqID, inc);
706//
707 SpectralCoordinate spec(mft,rv,inc,rp);
708//
709 return spec;
710}
711
712
713SpectralCoordinate SDMemTable::getSpectralCoordinate(uInt freqID, uInt restFreqID,
714 uInt whichRow) const
715{
716
717// Create basic SC
718
719 SpectralCoordinate spec = getSpectralCoordinate (freqID);
720//
721 Table t = table_.keywordSet().asTable("FREQUENCIES");
722
723// Set rest frequency
724
725 Vector<Double> restFreqIDs;
726 t.keywordSet().get("RESTFREQS",restFreqIDs);
727 if (restFreqID < restFreqIDs.nelements()) { // SHould always be true
728 spec.setRestFrequency(restFreqIDs(restFreqID),True);
729 }
730
731// Set up frame conversion layer
732
733 String frm;
734 t.keywordSet().get("REFFRAME",frm);
735 if (frm == "") frm = "TOPO";
736 MFrequency::Types mtype;
737 if (!MFrequency::getType(mtype, frm)) {
738 cerr << "Frequency type unknown assuming TOPO" << endl; // SHould never happen
739 mtype = MFrequency::TOPO;
740 }
741
742// Set reference frame conversion (requires row)
743
744 MDirection direct = getDirection(whichRow);
745 MEpoch epoch = getEpoch(whichRow);
746 MPosition pos = getAntennaPosition();
747 if (!spec.setReferenceConversion(mtype,epoch,pos,direct)) {
748 throw(AipsError("Couldn't convert frequency frame."));
749 }
750
751// Now velocity conversion if appropriate
752
753 String unitStr;
754 t.keywordSet().get("UNIT",unitStr);
755//
756 String dpl;
757 t.keywordSet().get("DOPPLER",dpl);
758 MDoppler::Types dtype;
759 MDoppler::getType(dtype, dpl);
760
761// Only set velocity unit if non-blank and non-Hz
762
763 if (!unitStr.empty()) {
764 Unit unitU(unitStr);
765 if (unitU==Unit("Hz")) {
766 } else {
767 spec.setVelocity(unitStr, dtype);
768 }
769 }
770//
771 return spec;
772}
773
774
775Bool SDMemTable::setCoordinate(const SpectralCoordinate& speccord,
776 uInt freqID) {
777 Table t = table_.rwKeywordSet().asTable("FREQUENCIES");
778 if (freqID > t.nrow() ) {
779 throw(AipsError("SDMemTable::setCoordinate - coord no out of range"));
780 }
781 ScalarColumn<Double> rpc(t, "REFPIX");
782 ScalarColumn<Double> rvc(t, "REFVAL");
783 ScalarColumn<Double> incc(t, "INCREMENT");
784
785 rpc.put(freqID, speccord.referencePixel()[0]);
786 rvc.put(freqID, speccord.referenceValue()[0]);
787 incc.put(freqID, speccord.increment()[0]);
788
789 return True;
790}
791
792Int SDMemTable::nCoordinates() const
793{
794 return table_.keywordSet().asTable("FREQUENCIES").nrow();
795}
796
797
798std::vector<double> SDMemTable::getRestFreqs() const
799{
800 Table t = table_.keywordSet().asTable("FREQUENCIES");
801 Vector<Double> tvec;
802 t.keywordSet().get("RESTFREQS",tvec);
803 std::vector<double> stlout;
804 tvec.tovector(stlout);
805 return stlout;
806}
807
808bool SDMemTable::putSDFreqTable(const SDFrequencyTable& sdft)
809{
810 TableDesc td("", "1", TableDesc::Scratch);
811 td.addColumn(ScalarColumnDesc<Double>("REFPIX"));
812 td.addColumn(ScalarColumnDesc<Double>("REFVAL"));
813 td.addColumn(ScalarColumnDesc<Double>("INCREMENT"));
814 SetupNewTable aNewTab("freqs", td, Table::New);
815 Table aTable (aNewTab, Table::Memory, sdft.length());
816 ScalarColumn<Double> sc0(aTable, "REFPIX");
817 ScalarColumn<Double> sc1(aTable, "REFVAL");
818 ScalarColumn<Double> sc2(aTable, "INCREMENT");
819 for (uInt i=0; i < sdft.length(); ++i) {
820 sc0.put(i,sdft.referencePixel(i));
821 sc1.put(i,sdft.referenceValue(i));
822 sc2.put(i,sdft.increment(i));
823 }
824 String rf = sdft.refFrame();
825 if (rf.contains("TOPO")) rf = "TOPO";
826
827 aTable.rwKeywordSet().define("BASEREFFRAME", rf);
828 aTable.rwKeywordSet().define("REFFRAME", rf);
829 aTable.rwKeywordSet().define("EQUINOX", sdft.equinox());
830 aTable.rwKeywordSet().define("UNIT", String(""));
831 aTable.rwKeywordSet().define("DOPPLER", String("RADIO"));
832 Vector<Double> rfvec;
833 String rfunit;
834 sdft.restFrequencies(rfvec,rfunit);
835 Quantum<Vector<Double> > q(rfvec, rfunit);
836 rfvec.resize();
837 rfvec = q.getValue("Hz");
838 aTable.rwKeywordSet().define("RESTFREQS", rfvec);
839 table_.rwKeywordSet().defineTable ("FREQUENCIES", aTable);
840 return True;
841}
842
843SDFrequencyTable SDMemTable::getSDFreqTable() const
844{
845 const Table& t = table_.keywordSet().asTable("FREQUENCIES");
846 SDFrequencyTable sdft;
847
848// Add refpix/refval/incr. What are the units ? Hz I suppose
849// but it's nowhere described...
850
851 Vector<Double> refPix, refVal, incr;
852 ScalarColumn<Double> refPixCol(t, "REFPIX");
853 ScalarColumn<Double> refValCol(t, "REFVAL");
854 ScalarColumn<Double> incrCol(t, "INCREMENT");
855 refPix = refPixCol.getColumn();
856 refVal = refValCol.getColumn();
857 incr = incrCol.getColumn();
858//
859 uInt n = refPix.nelements();
860 for (uInt i=0; i<n; i++) {
861 sdft.addFrequency(refPix[i], refVal[i], incr[i]);
862 }
863
864// Frequency reference frame. I don't know if this
865// is the correct frame. It might be 'REFFRAME'
866// rather than 'BASEREFFRAME' ?
867
868 String baseFrame;
869 t.keywordSet().get("BASEREFFRAME",baseFrame);
870 sdft.setRefFrame(baseFrame);
871
872// Equinox
873
874 Float equinox;
875 t.keywordSet().get("EQUINOX", equinox);
876 sdft.setEquinox(equinox);
877
878// Rest Frequency
879
880 Vector<Double> restFreqs;
881 t.keywordSet().get("RESTFREQS", restFreqs);
882 for (uInt i=0; i<restFreqs.nelements(); i++) {
883 sdft.addRestFrequency(restFreqs[i]);
884 }
885 sdft.setRestFrequencyUnit(String("Hz"));
886//
887 return sdft;
888}
889
890bool SDMemTable::putSDContainer(const SDContainer& sdc)
891{
892 uInt rno = table_.nrow();
893 table_.addRow();
894//
895 timeCol_.put(rno, sdc.timestamp);
896 srcnCol_.put(rno, sdc.sourcename);
897 fldnCol_.put(rno, sdc.fieldname);
898 specCol_.put(rno, sdc.getSpectrum());
899 flagsCol_.put(rno, sdc.getFlags());
900 tsCol_.put(rno, sdc.getTsys());
901 scanCol_.put(rno, sdc.scanid);
902 integrCol_.put(rno, sdc.interval);
903 freqidCol_.put(rno, sdc.getFreqMap());
904 restfreqidCol_.put(rno, sdc.getRestFreqMap());
905 dirCol_.put(rno, sdc.getDirection());
906 rbeamCol_.put(rno, sdc.refbeam);
907 tcalCol_.put(rno, sdc.tcal);
908 tcaltCol_.put(rno, sdc.tcaltime);
909 azCol_.put(rno, sdc.azimuth);
910 elCol_.put(rno, sdc.elevation);
911 paraCol_.put(rno, sdc.parangle);
912 histCol_.put(rno, sdc.getHistory());
913//
914 return true;
915}
916
917SDContainer SDMemTable::getSDContainer(uInt whichRow) const
918{
919 SDContainer sdc(nBeam(),nIF(),nPol(),nChan());
920 timeCol_.get(whichRow, sdc.timestamp);
921 srcnCol_.get(whichRow, sdc.sourcename);
922 integrCol_.get(whichRow, sdc.interval);
923 scanCol_.get(whichRow, sdc.scanid);
924 fldnCol_.get(whichRow, sdc.fieldname);
925 rbeamCol_.get(whichRow, sdc.refbeam);
926 azCol_.get(whichRow, sdc.azimuth);
927 elCol_.get(whichRow, sdc.elevation);
928 paraCol_.get(whichRow, sdc.parangle);
929 Vector<Float> tc;
930 tcalCol_.get(whichRow, tc);
931 sdc.tcal[0] = tc[0];sdc.tcal[1] = tc[1];
932 tcaltCol_.get(whichRow, sdc.tcaltime);
933//
934 Array<Float> spectrum;
935 Array<Float> tsys;
936 Array<uChar> flagtrum;
937 Vector<uInt> fmap;
938 Array<Double> direction;
939 Vector<String> histo;
940//
941 specCol_.get(whichRow, spectrum);
942 sdc.putSpectrum(spectrum);
943 flagsCol_.get(whichRow, flagtrum);
944 sdc.putFlags(flagtrum);
945 tsCol_.get(whichRow, tsys);
946 sdc.putTsys(tsys);
947 freqidCol_.get(whichRow, fmap);
948 sdc.putFreqMap(fmap);
949 restfreqidCol_.get(whichRow, fmap);
950 sdc.putRestFreqMap(fmap);
951 dirCol_.get(whichRow, direction);
952 sdc.putDirection(direction);
953 histCol_.get(whichRow, histo);
954 sdc.putHistory(histo);
955 return sdc;
956}
957
958bool SDMemTable::putSDHeader(const SDHeader& sdh)
959{
960 table_.rwKeywordSet().define("nIF", sdh.nif);
961 table_.rwKeywordSet().define("nBeam", sdh.nbeam);
962 table_.rwKeywordSet().define("nPol", sdh.npol);
963 table_.rwKeywordSet().define("nChan", sdh.nchan);
964 table_.rwKeywordSet().define("Observer", sdh.observer);
965 table_.rwKeywordSet().define("Project", sdh.project);
966 table_.rwKeywordSet().define("Obstype", sdh.obstype);
967 table_.rwKeywordSet().define("AntennaName", sdh.antennaname);
968 table_.rwKeywordSet().define("AntennaPosition", sdh.antennaposition);
969 table_.rwKeywordSet().define("Equinox", sdh.equinox);
970 table_.rwKeywordSet().define("FreqRefFrame", sdh.freqref);
971 table_.rwKeywordSet().define("FreqRefVal", sdh.reffreq);
972 table_.rwKeywordSet().define("Bandwidth", sdh.bandwidth);
973 table_.rwKeywordSet().define("UTC", sdh.utc);
974 table_.rwKeywordSet().define("FluxUnit", sdh.fluxunit);
975 table_.rwKeywordSet().define("Epoch", sdh.epoch);
976 return true;
977}
978
979SDHeader SDMemTable::getSDHeader() const
980{
981 SDHeader sdh;
982 table_.keywordSet().get("nBeam",sdh.nbeam);
983 table_.keywordSet().get("nIF",sdh.nif);
984 table_.keywordSet().get("nPol",sdh.npol);
985 table_.keywordSet().get("nChan",sdh.nchan);
986 table_.keywordSet().get("Observer", sdh.observer);
987 table_.keywordSet().get("Project", sdh.project);
988 table_.keywordSet().get("Obstype", sdh.obstype);
989 table_.keywordSet().get("AntennaName", sdh.antennaname);
990 table_.keywordSet().get("AntennaPosition", sdh.antennaposition);
991 table_.keywordSet().get("Equinox", sdh.equinox);
992 table_.keywordSet().get("FreqRefFrame", sdh.freqref);
993 table_.keywordSet().get("FreqRefVal", sdh.reffreq);
994 table_.keywordSet().get("Bandwidth", sdh.bandwidth);
995 table_.keywordSet().get("UTC", sdh.utc);
996 table_.keywordSet().get("FluxUnit", sdh.fluxunit);
997 table_.keywordSet().get("Epoch", sdh.epoch);
998 return sdh;
999}
1000void SDMemTable::makePersistent(const std::string& filename)
1001{
1002 table_.deepCopy(filename,Table::New);
1003}
1004
1005Int SDMemTable::nScan() const {
1006 Int n = 0;
1007 Int previous = -1;Int current=0;
1008 for (uInt i=0; i< scanCol_.nrow();i++) {
1009 scanCol_.getScalar(i,current);
1010 if (previous != current) {
1011 previous = current;
1012 n++;
1013 }
1014 }
1015 return n;
1016}
1017
1018String SDMemTable::formatSec(Double x) const
1019{
1020 Double xcop = x;
1021 MVTime mvt(xcop/24./3600.); // make days
1022
1023 if (x < 59.95)
1024 return String(" ") + mvt.string(MVTime::TIME_CLEAN_NO_HM, 7)+"s";
1025 else if (x < 3599.95)
1026 return String(" ") + mvt.string(MVTime::TIME_CLEAN_NO_H,7)+" ";
1027 else {
1028 ostringstream oss;
1029 oss << setw(2) << std::right << setprecision(1) << mvt.hour();
1030 oss << ":" << mvt.string(MVTime::TIME_CLEAN_NO_H,7) << " ";
1031 return String(oss);
1032 }
1033};
1034
1035String SDMemTable::formatDirection(const MDirection& md) const
1036{
1037 Vector<Double> t = md.getAngle(Unit(String("rad"))).getValue();
1038 Int prec = 7;
1039
1040 MVAngle mvLon(t[0]);
1041 String sLon = mvLon.string(MVAngle::TIME,prec);
1042 MVAngle mvLat(t[1]);
1043 String sLat = mvLat.string(MVAngle::ANGLE+MVAngle::DIG2,prec);
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(bool verbose) const {
1077
1078// Format header info
1079
1080 ostringstream oss;
1081 oss << endl;
1082 oss << "--------------------------------------------------------------------------------" << endl;
1083 oss << " Scan Table Summary" << endl;
1084 oss << "--------------------------------------------------------------------------------" << endl;
1085 oss.flags(std::ios_base::left);
1086 oss << setw(15) << "Beams:" << setw(4) << nBeam() << endl
1087 << setw(15) << "IFs:" << setw(4) << nIF() << endl
1088 << setw(15) << "Polarisations:" << setw(4) << nPol() << endl
1089 << setw(15) << "Channels:" << setw(4) << nChan() << endl;
1090 oss << endl;
1091 String tmp;
1092 table_.keywordSet().get("Observer", tmp);
1093 oss << setw(15) << "Observer:" << tmp << endl;
1094 oss << setw(15) << "Obs Date:" << getTime(-1,True) << endl;
1095 table_.keywordSet().get("Project", tmp);
1096 oss << setw(15) << "Project:" << tmp << endl;
1097 table_.keywordSet().get("Obstype", tmp);
1098 oss << setw(15) << "Obs. Type:" << tmp << endl;
1099 table_.keywordSet().get("AntennaName", tmp);
1100 oss << setw(15) << "Antenna Name:" << tmp << endl;
1101 table_.keywordSet().get("FluxUnit", tmp);
1102 oss << setw(15) << "Flux Unit:" << tmp << endl;
1103 Table t = table_.keywordSet().asTable("FREQUENCIES");
1104 Vector<Double> vec;
1105 t.keywordSet().get("RESTFREQS",vec);
1106 oss << setw(15) << "Rest Freqs:";
1107 if (vec.nelements() > 0) {
1108 oss << setprecision(0) << vec << " [Hz]" << endl;
1109 } else {
1110 oss << "None set" << endl;
1111 }
1112 oss << setw(15) << "Abcissa:" << getAbcissaString() << endl;
1113 oss << setw(15) << "Cursor:" << "Beam[" << getBeam() << "] "
1114 << "IF[" << getIF() << "] " << "Pol[" << getPol() << "]" << endl;
1115 oss << endl;
1116//
1117 String dirtype ="Position ("+ MDirection::showType(getDirectionReference()) + ")";
1118 oss << setw(5) << "Scan"
1119 << setw(15) << "Source"
1120 << setw(24) << dirtype
1121 << setw(10) << "Time"
1122 << setw(18) << "Integration"
1123 << setw(7) << "FreqIDs" << endl;
1124 oss << "--------------------------------------------------------------------------------" << endl;
1125
1126// Generate list of scan start and end integrations
1127
1128 Vector<Int> scanIDs = scanCol_.getColumn();
1129 Vector<uInt> startInt, endInt;
1130 mathutil::scanBoundaries(startInt, endInt, scanIDs);
1131//
1132 const uInt nScans = startInt.nelements();
1133 String name;
1134 Vector<uInt> freqIDs, listFQ;
1135 uInt nInt;
1136//
1137 for (uInt i=0; i<nScans; i++) {
1138
1139// Get things from first integration of scan
1140
1141 String time = getTime(startInt(i),False);
1142 String tInt = formatSec(Double(getInterval(startInt(i))));
1143 String posit = formatDirection(getDirection(startInt(i),True));
1144 srcnCol_.getScalar(startInt(i),name);
1145
1146// Find all the FreqIDs in this scan
1147
1148 listFQ.resize(0);
1149 for (uInt j=startInt(i); j<endInt(i)+1; j++) {
1150 freqidCol_.get(j, freqIDs);
1151 for (uInt k=0; k<freqIDs.nelements(); k++) {
1152 mathutil::addEntry(listFQ, freqIDs(k));
1153 }
1154 }
1155//
1156 nInt = endInt(i) - startInt(i) + 1;
1157 oss << setw(3) << std::right << i << std::left << setw(2) << " "
1158 << setw(15) << name
1159 << setw(24) << posit
1160 << setw(10) << time
1161 << setw(3) << std::right << nInt << setw(3) << " x " << std::left
1162 << setw(6) << tInt
1163 << " " << listFQ << endl;
1164 }
1165 oss << endl;
1166 oss << "Table contains " << table_.nrow() << " integration(s) in " << nScans << " scan(s)." << endl;
1167
1168// Frequency Table
1169
1170 if (verbose) {
1171 std::vector<string> info = getCoordInfo();
1172 SDFrequencyTable sdft = getSDFreqTable();
1173 oss << endl << endl;
1174 oss << "FreqID Frame RefFreq(Hz) RefPix Increment(Hz)" << endl;
1175 oss << "--------------------------------------------------------------------------------" << endl;
1176 for (uInt i=0; i<sdft.length(); i++) {
1177 oss << setw(8) << i << setw(8)
1178 << info[3] << setw(16) << setprecision(8)
1179 << sdft.referenceValue(i) << setw(10)
1180 << sdft.referencePixel(i) << setw(12)
1181 << sdft.increment(i) << endl;
1182 }
1183 oss << "--------------------------------------------------------------------------------" << endl;
1184 }
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 unknown - 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
1328casa::Bool SDMemTable::setRestFreqs (const casa::Vector<Double>& restFreqs, const String& sUnit,
1329 const casa::String& source,
1330 casa::Int whichIF)
1331{
1332 const Int nIFs = nIF();
1333 if (whichIF>=nIFs) {
1334 throw(AipsError("Illegal IF index"));
1335 }
1336
1337// If multiple restfreqs, must be length nIF. In this
1338// case we will just replace the rest frequencies
1339//
1340
1341 const uInt nRestFreqs = restFreqs.nelements();
1342 Unit unit(sUnit);
1343 Int idx = -1;
1344 SDFrequencyTable sdft = getSDFreqTable();
1345
1346 if (nRestFreqs>1) {
1347
1348// Replace restFreqs, one per IF
1349
1350 if (nRestFreqs != nIFs) {
1351 throw (AipsError("Number of rest frequencies must be equal to the number of IFs"));
1352 }
1353//
1354 sdft.deleteRestFrequencies();
1355 for (uInt i=0; i<nRestFreqs; i++) {
1356 Quantum<Double> rf(restFreqs[i], unit);
1357 sdft.addRestFrequency(rf.getValue("Hz"));
1358 }
1359 } else {
1360
1361// Add new rest freq
1362
1363 Quantum<Double> rf(restFreqs[0], unit);
1364 idx = sdft.addRestFrequency(rf.getValue("Hz"));
1365 }
1366
1367// Replace
1368
1369 Bool empty = source.empty();
1370 Bool ok = False;
1371 if (putSDFreqTable(sdft)) {
1372 const uInt nRow = table_.nrow();
1373 String srcName;
1374 Vector<uInt> restFreqIDs;
1375 for (uInt i=0; i<nRow; i++) {
1376 srcnCol_.get(i, srcName);
1377 restfreqidCol_.get(i,restFreqIDs);
1378//
1379 if (idx==-1) {
1380
1381// Replace vector of restFreqs; one per IF.
1382// No selection possible
1383
1384 for (uInt i=0; i<nIFs; i++) restFreqIDs[i] = i;
1385 } else {
1386
1387// Set RestFreqID for selected data
1388
1389 if (empty || source==srcName) {
1390 if (whichIF<0) {
1391 restFreqIDs = idx;
1392 } else {
1393 restFreqIDs[whichIF] = idx;
1394 }
1395 }
1396 }
1397//
1398 restfreqidCol_.put(i,restFreqIDs);
1399 }
1400 ok = True;
1401 } else {
1402 ok = False;
1403 }
1404//
1405 return ok;
1406}
1407
1408
1409void SDMemTable::renumber()
1410{
1411 uInt nRow = scanCol_.nrow();
1412 Int newscanid = 0;
1413 Int cIdx;// the current scanid
1414 // get the first scanid
1415 scanCol_.getScalar(0,cIdx);
1416 Int pIdx = cIdx;// the scanid of the previous row
1417 for (uInt i=0; i<nRow;++i) {
1418 scanCol_.getScalar(i,cIdx);
1419 if (pIdx == cIdx) {
1420 // renumber
1421 scanCol_.put(i,newscanid);
1422 } else {
1423 ++newscanid;
1424 pIdx = cIdx; // store scanid
1425 --i; // don't increment next loop
1426 }
1427 }
1428}
1429
Note: See TracBrowser for help on using the repository browser.