source: trunk/src/SDMemTable.cc @ 328

Last change on this file since 328 was 328, checked in by kil064, 19 years ago

fix non-compile typo

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[2]1//#---------------------------------------------------------------------------
2//# SDMemTable.cc: A MemoryTable container for single dish integrations
3//#---------------------------------------------------------------------------
4//# Copyright (C) 2004
[125]5//# ATNF
[2]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
[206]32#include <map>
33
[125]34#include <casa/aips.h>
[80]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>
[206]42#include <casa/Arrays/Vector.h>
[286]43#include <casa/Quanta/MVAngle.h>
[2]44
[80]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>
[2]50
[80]51#include <tables/Tables/ExprNode.h>
52#include <tables/Tables/TableRecord.h>
53#include <measures/Measures/MFrequency.h>
54#include <measures/Measures/MeasTable.h>
[105]55#include <coordinates/Coordinates/CoordinateUtil.h>
[80]56#include <casa/Quanta/MVTime.h>
[281]57#include <casa/Quanta/MVAngle.h>
[2]58
[215]59#include "SDDefs.h"
[2]60#include "SDMemTable.h"
61#include "SDContainer.h"
62
[206]63
[125]64using namespace casa;
[83]65using namespace asap;
[2]66
[18]67SDMemTable::SDMemTable() :
68  IFSel_(0),
69  beamSel_(0),
[206]70  polSel_(0)
71{
[18]72  setup();
[322]73  attach();
[18]74}
[206]75
[2]76SDMemTable::SDMemTable(const std::string& name) :
77  IFSel_(0),
78  beamSel_(0),
[206]79  polSel_(0)
80{
[50]81  Table tab(name);
[22]82  table_ = tab.copyToMemoryTable("dummy");
[206]83  //cerr << "hello from C SDMemTable @ " << this << endl;
[2]84}
85
[206]86SDMemTable::SDMemTable(const SDMemTable& other, Bool clear)
87{
[148]88  IFSel_= other.IFSel_;
89  beamSel_= other.beamSel_;
90  polSel_= other.polSel_;
91  chanMask_ = other.chanMask_;
92  table_ = other.table_.copyToMemoryTable(String("dummy"));
[2]93  // clear all rows()
[16]94  if (clear) {
[148]95    table_.removeRow(this->table_.rowNumbers());
[16]96  } else {
[148]97    IFSel_ = other.IFSel_;
98    beamSel_ = other.beamSel_;
99    polSel_ = other.polSel_;
[16]100  }
[322]101//
102  attach();
[206]103  //cerr << "hello from CC SDMemTable @ " << this << endl;
[2]104}
105
[80]106SDMemTable::SDMemTable(const Table& tab, const std::string& exprs) :
[2]107  IFSel_(0),
108  beamSel_(0),
[206]109  polSel_(0)
110{
[2]111  Table t = tableCommand(exprs,tab);
[89]112  if (t.nrow() == 0)
113      throw(AipsError("Query unsuccessful."));
[22]114  table_ = t.copyToMemoryTable("dummy");
[2]115}
116
[206]117SDMemTable::~SDMemTable()
118{
[105]119  //cerr << "goodbye from SDMemTable @ " << this << endl;
[2]120}
121
[206]122SDMemTable SDMemTable::getScan(Int scanID) const
123{
[80]124  String cond("SELECT * from $1 WHERE SCANID == ");
125  cond += String::toString(scanID);
126  return SDMemTable(table_, cond);
[2]127}
128
[206]129SDMemTable &SDMemTable::operator=(const SDMemTable& other)
130{
[148]131  if (this != &other) {
132     IFSel_= other.IFSel_;
133     beamSel_= other.beamSel_;
134     polSel_= other.polSel_;
135     chanMask_.resize(0);
136     chanMask_ = other.chanMask_;
137     table_ = other.table_.copyToMemoryTable(String("dummy"));
[322]138     attach();
[206]139  }
140  //cerr << "hello from ASS SDMemTable @ " << this << endl;
[138]141  return *this;
142}
143
[206]144SDMemTable SDMemTable::getSource(const std::string& source) const
145{
[80]146  String cond("SELECT * from $1 WHERE SRCNAME == ");
147  cond += source;
148  return SDMemTable(table_, cond);
149}
150
[206]151void SDMemTable::setup()
152{
[2]153  TableDesc td("", "1", TableDesc::Scratch);
154  td.comment() = "A SDMemTable";
[322]155//
[2]156  td.addColumn(ScalarColumnDesc<Double>("TIME"));
157  td.addColumn(ScalarColumnDesc<String>("SRCNAME"));
158  td.addColumn(ArrayColumnDesc<Float>("SPECTRA"));
159  td.addColumn(ArrayColumnDesc<uChar>("FLAGTRA"));
[89]160  td.addColumn(ArrayColumnDesc<Float>("TSYS"));
161  td.addColumn(ScalarColumnDesc<Int>("SCANID"));
162  td.addColumn(ScalarColumnDesc<Double>("INTERVAL"));
[39]163  td.addColumn(ArrayColumnDesc<uInt>("FREQID"));
[78]164  td.addColumn(ArrayColumnDesc<Double>("DIRECTION"));
[105]165  td.addColumn(ScalarColumnDesc<String>("FIELDNAME"));
166  td.addColumn(ScalarColumnDesc<String>("TCALTIME"));
167  td.addColumn(ArrayColumnDesc<Float>("TCAL"));
168  td.addColumn(ScalarColumnDesc<Float>("AZIMUTH"));
169  td.addColumn(ScalarColumnDesc<Float>("ELEVATION"));
170  td.addColumn(ScalarColumnDesc<Float>("PARANGLE"));
171  td.addColumn(ScalarColumnDesc<Int>("REFBEAM"));
[206]172  td.addColumn(ArrayColumnDesc<String>("HISTORY"));
[105]173
[2]174  // Now create a new table from the description.
[18]175
[22]176  SetupNewTable aNewTab("dummy", td, Table::New);
[89]177  table_ = Table(aNewTab, Table::Memory, 0);
[2]178}
179
[322]180void SDMemTable::attach ()
181{
182  timeCol_.attach(table_, "TIME");
183  srcnCol_.attach(table_, "SRCNAME");
184  specCol_.attach(table_, "SPECTRA");
185  flagsCol_.attach(table_, "FLAGTRA");
186  tsCol_.attach(table_, "TSYS");
187  scanCol_.attach(table_, "SCANID");
188  integrCol_.attach(table_, "INTERVAL");
189  freqidCol_.attach(table_, "FREQID");
190  dirCol_.attach(table_, "DIRECTION");
191  fldnCol_.attach(table_, "FIELDNAME");
192  tcaltCol_.attach(table_, "TCALTIME");
193  tcalCol_.attach(table_, "TCAL");
194  azCol_.attach(table_, "AZIMUTH");
195  elCol_.attach(table_, "ELEVATION");
196  paraCol_.attach(table_, "PARANGLE");
197  rbeamCol_.attach(table_, "REFBEAM");
198  histCol_.attach(table_, "HISTORY");
199}
200
201
[206]202std::string SDMemTable::getSourceName(Int whichRow) const
203{
[2]204  String name;
[322]205  srcnCol_.get(whichRow, name);
[2]206  return name;
207}
208
[281]209std::string SDMemTable::getTime(Int whichRow, Bool showDate) const
[206]210{
[2]211  Double tm;
[281]212  if (whichRow > -1) {
[322]213    timeCol_.get(whichRow, tm);
[281]214  } else {
215    table_.keywordSet().get("UTC",tm);
216  }
[50]217  MVTime mvt(tm);
[281]218  if (showDate)
219    mvt.setFormat(MVTime::YMD);
220  else
221    mvt.setFormat(MVTime::TIME);
[50]222  ostringstream oss;
223  oss << mvt;
[281]224  return String(oss);
[2]225}
[281]226
[206]227double SDMemTable::getInterval(Int whichRow) const
228{
[50]229  Double intval;
[322]230  integrCol_.get(whichRow, intval);
[50]231  return intval;
232}
[2]233
[206]234bool SDMemTable::setIF(Int whichIF)
235{
[50]236  if ( whichIF >= 0 && whichIF < nIF()) {
[2]237    IFSel_ = whichIF;
238    return true;
[50]239  }
240  return false;
[2]241}
[50]242
[206]243bool SDMemTable::setBeam(Int whichBeam)
244{
[50]245  if ( whichBeam >= 0 && whichBeam < nBeam()) {
[2]246    beamSel_ = whichBeam;
247    return true;
[50]248  }
249  return false;
250}
[2]251
[206]252bool SDMemTable::setPol(Int whichPol)
253{
[50]254  if ( whichPol >= 0 && whichPol < nPol()) {
[2]255    polSel_ = whichPol;
256    return true;
[50]257  }
258  return false;
[2]259}
260
[303]261void SDMemTable::resetCursor ()
262{
263   polSel_ = 0;
264   IFSel_ = 0;
265   beamSel_ = 0;
266}
267
[206]268bool SDMemTable::setMask(std::vector<int> whichChans)
269{
[16]270  std::vector<int>::iterator it;
[322]271  uInt n = flagsCol_.shape(0)(3);
[105]272  if (whichChans.empty()) {
273    chanMask_ = std::vector<bool>(n,true);
274    return true;     
275  }
[16]276  chanMask_.resize(n,true);
[39]277  for (it = whichChans.begin(); it != whichChans.end(); ++it) {
[105]278    if (*it < n) {
[16]279      chanMask_[*it] = false;
[105]280    }
[16]281  }
[2]282  return true;
283}
284
[16]285std::vector<bool> SDMemTable::getMask(Int whichRow) const {
286  std::vector<bool> mask;
287  Array<uChar> arr;
[322]288  flagsCol_.get(whichRow, arr);
[206]289  ArrayAccessor<uChar, Axis<asap::BeamAxis> > aa0(arr);
[16]290  aa0.reset(aa0.begin(uInt(beamSel_)));//go to beam
[206]291  ArrayAccessor<uChar, Axis<asap::IFAxis> > aa1(aa0);
[16]292  aa1.reset(aa1.begin(uInt(IFSel_)));// go to IF
[206]293  ArrayAccessor<uChar, Axis<asap::PolAxis> > aa2(aa1);
[16]294  aa2.reset(aa2.begin(uInt(polSel_)));// go to pol
295
296  Bool useUserMask = ( chanMask_.size() == arr.shape()(3) );
297
298  std::vector<bool> tmp;
299  tmp = chanMask_; // WHY the fxxx do I have to make a copy here
300  std::vector<bool>::iterator miter;
301  miter = tmp.begin();
302
[206]303  for (ArrayAccessor<uChar, Axis<asap::ChanAxis> > i(aa2); i != i.end(); ++i) {
[16]304    bool out =!static_cast<bool>(*i);
305    if (useUserMask) {
306      out = out && (*miter);
307      miter++;
308    }
309    mask.push_back(out);
[89]310  }
[16]311  return mask;
[2]312}
[206]313std::vector<float> SDMemTable::getSpectrum(Int whichRow) const
314{
[2]315  std::vector<float> spectrum;
316  Array<Float> arr;
[322]317  specCol_.get(whichRow, arr);
[206]318  ArrayAccessor<Float, Axis<asap::BeamAxis> > aa0(arr);
[2]319  aa0.reset(aa0.begin(uInt(beamSel_)));//go to beam
[206]320  ArrayAccessor<Float, Axis<asap::IFAxis> > aa1(aa0);
[2]321  aa1.reset(aa1.begin(uInt(IFSel_)));// go to IF
[206]322  ArrayAccessor<Float, Axis<asap::PolAxis> > aa2(aa1);
[16]323  aa2.reset(aa2.begin(uInt(polSel_)));// go to pol
[206]324  for (ArrayAccessor<Float, Axis<asap::ChanAxis> > i(aa2); i != i.end(); ++i) {
[16]325    spectrum.push_back(*i);
[2]326  }
327  return spectrum;
328}
[206]329std::vector<string> SDMemTable::getCoordInfo() const
330{
[105]331  String un;
332  Table t = table_.keywordSet().asTable("FREQUENCIES");
333  String sunit;
334  t.keywordSet().get("UNIT",sunit);
335  String dpl;
336  t.keywordSet().get("DOPPLER",dpl);
337  if (dpl == "") dpl = "RADIO";
338  String rfrm;
339  t.keywordSet().get("REFFRAME",rfrm);
340  std::vector<string> inf;
341  inf.push_back(sunit);
342  inf.push_back(rfrm);
343  inf.push_back(dpl);
[263]344  t.keywordSet().get("BASEREFFRAME",rfrm);
345  inf.push_back(rfrm);
[105]346  return inf;
347}
[39]348
[206]349void SDMemTable::setCoordInfo(std::vector<string> theinfo)
350{
[105]351  std::vector<string>::iterator it;
[306]352  String un,rfrm, brfrm,dpl;
353  un = theinfo[0];              // Abcissa unit
354  rfrm = theinfo[1];            // Active (or conversion) frame
355  dpl = theinfo[2];             // Doppler
356  brfrm = theinfo[3];           // Base frame
357//
[105]358  Table t = table_.rwKeywordSet().asTable("FREQUENCIES");
[306]359//
[105]360  Vector<Double> rstf;
361  t.keywordSet().get("RESTFREQS",rstf);
[306]362//
[105]363  Bool canDo = True;
364  Unit u1("km/s");Unit u2("Hz");
365  if (Unit(un) == u1) {
366    Vector<Double> rstf;
367    t.keywordSet().get("RESTFREQS",rstf);
368    if (rstf.nelements() == 0) {
369        throw(AipsError("Can't set unit to km/s if no restfrequencies are specified"));
370    }
371  } else if (Unit(un) != u2 && un != "") {
372        throw(AipsError("Unit not conformant with Spectral Coordinates"));
373  }
374  t.rwKeywordSet().define("UNIT", un);
[275]375//
[105]376  MFrequency::Types mdr;
377  if (!MFrequency::getType(mdr, rfrm)) {
378   
379    Int a,b;const uInt* c;
380    const String* valid = MFrequency::allMyTypes(a, b, c);
381    String pfix = "Please specify a legal frame type. Types are\n";
382    throw(AipsError(pfix+(*valid)));
383  } else {
384    t.rwKeywordSet().define("REFFRAME",rfrm);
385  }
[275]386//
387  MDoppler::Types dtype;
388  dpl.upcase();
389  if (!MDoppler::getType(dtype, dpl)) {
390    throw(AipsError("Doppler type unknown"));
391  } else {
392    t.rwKeywordSet().define("DOPPLER",dpl);
393  }
[306]394//
395  if (!MFrequency::getType(mdr, brfrm)) {
396     Int a,b;const uInt* c;
397     const String* valid = MFrequency::allMyTypes(a, b, c);
398     String pfix = "Please specify a legal frame type. Types are\n";
399     throw(AipsError(pfix+(*valid)));
400   } else {
401    t.rwKeywordSet().define("BASEREFFRAME",brfrm);
402   }
[105]403}
404
[286]405
[206]406std::vector<double> SDMemTable::getAbcissa(Int whichRow) const
407{
[286]408  std::vector<double> abc(nChan());
[206]409
[286]410// Get header units keyword
[206]411
[286]412  Table t = table_.keywordSet().asTable("FREQUENCIES");
[105]413  String sunit;
414  t.keywordSet().get("UNIT",sunit);
415  if (sunit == "") sunit = "pixel";
416  Unit u(sunit);
[286]417
418// Easy if just wanting pixels
419
420  if (sunit==String("pixel")) {
421    // assume channels/pixels
422    std::vector<double>::iterator it;
423    uInt i=0;
424    for (it = abc.begin(); it != abc.end(); ++it) {
425      (*it) = Double(i++);
426    }
427//
428    return abc;
[78]429  }
430
[286]431// Continue with km/s or Hz.  Get FreqID
432
433  Vector<uInt> v;
[322]434  freqidCol_.get(whichRow, v);
[286]435  uInt specidx = v(IFSel_);
436
437// Get SpectralCoordinate, set reference frame conversion,
438// velocity conversion, and rest freq state
439
440  SpectralCoordinate spc = getSpectralCoordinate(specidx, whichRow);
441//
442  Vector<Double> pixel(nChan());
443  indgen(pixel);
444//
445  if (u == Unit("km/s")) {
446     Vector<Double> world;
447     spc.pixelToVelocity(world,pixel);
448     std::vector<double>::iterator it;
449     uInt i = 0;
450     for (it = abc.begin(); it != abc.end(); ++it) {
451       (*it) = world[i];
452       i++;
453     }
[39]454  } else if (u == Unit("Hz")) {
[286]455
456// Set world axis units
457
[39]458    Vector<String> wau(1); wau = u.getName();
459    spc.setWorldAxisUnits(wau);
[286]460//
[39]461    std::vector<double>::iterator it;
462    Double tmp;
463    uInt i = 0;
[286]464    for (it = abc.begin(); it != abc.end(); ++it) {
465      spc.toWorld(tmp,pixel[i]);
[39]466      (*it) = tmp;
467      i++;
468    }
469  }
[286]470  return abc;
[39]471}
472
[164]473std::string SDMemTable::getAbcissaString(Int whichRow) const
[105]474{
475  Table t = table_.keywordSet().asTable("FREQUENCIES");
[286]476//
[105]477  String sunit;
478  t.keywordSet().get("UNIT",sunit);
479  if (sunit == "") sunit = "pixel";
480  Unit u(sunit);
[286]481//
[105]482  Vector<uInt> v;
[322]483  freqidCol_.get(whichRow, v);
[105]484  uInt specidx = v(IFSel_);
[286]485
486// Get SpectralCoordinate, with frame, velocity, rest freq state set
487
488  SpectralCoordinate spc = getSpectralCoordinate(specidx, whichRow);
[275]489//
[105]490  String s = "Channel";
491  if (u == Unit("km/s")) {
492    s = CoordinateUtil::axisLabel(spc,0,True,True,True);
493  } else if (u == Unit("Hz")) {
494    Vector<String> wau(1);wau = u.getName();
495    spc.setWorldAxisUnits(wau);
[286]496//
497    s = CoordinateUtil::axisLabel(spc,0,True,True,False);
[105]498  }
499  return s;
500}
501
[206]502void SDMemTable::setSpectrum(std::vector<float> spectrum, int whichRow)
503{
[89]504  Array<Float> arr;
[322]505  specCol_.get(whichRow, arr);
[89]506  if (spectrum.size() != arr.shape()(3)) {
507    throw(AipsError("Attempting to set spectrum with incorrect length."));
508  }
509
[206]510  ArrayAccessor<Float, Axis<asap::BeamAxis> > aa0(arr);
[89]511  aa0.reset(aa0.begin(uInt(beamSel_)));//go to beam
[206]512  ArrayAccessor<Float, Axis<asap::IFAxis> > aa1(aa0);
[89]513  aa1.reset(aa1.begin(uInt(IFSel_)));// go to IF
[206]514  ArrayAccessor<Float, Axis<asap::PolAxis> > aa2(aa1);
[89]515  aa2.reset(aa2.begin(uInt(polSel_)));// go to pol
516
517  std::vector<float>::iterator it = spectrum.begin();
[206]518  for (ArrayAccessor<Float, Axis<asap::ChanAxis> > i(aa2); i != i.end(); ++i) {
[89]519    (*i) = Float(*it);
520    it++;
521  }
[322]522  specCol_.put(whichRow, arr);
[89]523}
524
[206]525void SDMemTable::getSpectrum(Vector<Float>& spectrum, Int whichRow) const
526{
[21]527  Array<Float> arr;
[322]528  specCol_.get(whichRow, arr);
[21]529  spectrum.resize(arr.shape()(3));
[206]530  ArrayAccessor<Float, Axis<asap::BeamAxis> > aa0(arr);
[21]531  aa0.reset(aa0.begin(uInt(beamSel_)));//go to beam
[206]532  ArrayAccessor<Float, Axis<asap::IFAxis> > aa1(aa0);
[21]533  aa1.reset(aa1.begin(uInt(IFSel_)));// go to IF
[206]534  ArrayAccessor<Float, Axis<asap::PolAxis> > aa2(aa1);
[21]535  aa2.reset(aa2.begin(uInt(polSel_)));// go to pol
[2]536
[206]537  ArrayAccessor<Float, Axis<asap::BeamAxis> > va(spectrum);
538  for (ArrayAccessor<Float, Axis<asap::ChanAxis> > i(aa2); i != i.end(); ++i) {
[21]539    (*va) = (*i);
540    va++;
541  }
542}
[89]543/*
[68]544void SDMemTable::getMask(Vector<Bool>& mask, Int whichRow) const {
[21]545  Array<uChar> arr;
[322]546  flagsCol_.get(whichRow, arr);
[21]547  mask.resize(arr.shape()(3));
548
[206]549  ArrayAccessor<uChar, Axis<asap::BeamAxis> > aa0(arr);
[21]550  aa0.reset(aa0.begin(uInt(beamSel_)));//go to beam
[206]551  ArrayAccessor<uChar, Axis<asap::IFAxis> > aa1(aa0);
[21]552  aa1.reset(aa1.begin(uInt(IFSel_)));// go to IF
[206]553  ArrayAccessor<uChar, Axis<asap::PolAxis> > aa2(aa1);
[21]554  aa2.reset(aa2.begin(uInt(polSel_)));// go to pol
555
556  Bool useUserMask = ( chanMask_.size() == arr.shape()(3) );
[89]557
[206]558  ArrayAccessor<Bool, Axis<asap::BeamAxis> > va(mask);
[21]559  std::vector<bool> tmp;
560  tmp = chanMask_; // WHY the fxxx do I have to make a copy here. The
[89]561                   // iterator should work on chanMask_??
[21]562  std::vector<bool>::iterator miter;
563  miter = tmp.begin();
564
[206]565  for (ArrayAccessor<uChar, Axis<asap::ChanAxis> > i(aa2); i != i.end(); ++i) {
[21]566    bool out =!static_cast<bool>(*i);
567    if (useUserMask) {
568      out = out && (*miter);
569      miter++;
570    }
571    (*va) = out;
572    va++;
[89]573  }
[21]574}
[89]575*/
[16]576MaskedArray<Float> SDMemTable::rowAsMaskedArray(uInt whichRow,
[164]577                                                Bool useSelection) const
578{
[2]579  Array<Float> arr;
580  Array<uChar> farr;
[322]581  specCol_.get(whichRow, arr);
582  flagsCol_.get(whichRow, farr);
[2]583  Array<Bool> barr(farr.shape());convertArray(barr, farr);
584  MaskedArray<Float> marr;
[16]585  if (useSelection) {
[206]586    ArrayAccessor<Float, Axis<asap::BeamAxis> > aa0(arr);
[16]587    aa0.reset(aa0.begin(uInt(beamSel_)));//go to beam
[206]588    ArrayAccessor<Float, Axis<asap::IFAxis> > aa1(aa0);
[16]589    aa1.reset(aa1.begin(uInt(IFSel_)));// go to IF
[206]590    ArrayAccessor<Float, Axis<asap::PolAxis> > aa2(aa1);
[16]591    aa2.reset(aa2.begin(uInt(polSel_)));// go to pol
[89]592
[206]593    ArrayAccessor<Bool, Axis<asap::BeamAxis> > baa0(barr);
[16]594    baa0.reset(baa0.begin(uInt(beamSel_)));//go to beam
[206]595    ArrayAccessor<Bool, Axis<asap::IFAxis> > baa1(baa0);
[16]596    baa1.reset(baa1.begin(uInt(IFSel_)));// go to IF
[206]597    ArrayAccessor<Bool, Axis<asap::PolAxis> > baa2(baa1);
[16]598    baa2.reset(baa2.begin(uInt(polSel_)));// go to pol
599
600    Vector<Float> a(arr.shape()(3));
601    Vector<Bool> b(barr.shape()(3));
[206]602    ArrayAccessor<Float, Axis<asap::BeamAxis> > a0(a);
603    ArrayAccessor<Bool, Axis<asap::BeamAxis> > b0(b);
[16]604
[206]605    ArrayAccessor<Bool, Axis<asap::ChanAxis> > j(baa2);
606    for (ArrayAccessor<Float, Axis<asap::ChanAxis> > i(aa2);
607         i != i.end(); ++i) {
[16]608      (*a0) = (*i);
609      (*b0) = !(*j);
610      j++;
611      a0++;
612      b0++;
613    }
614    marr.setData(a,b);
615  } else {
616    marr.setData(arr,!barr);
617  }
[2]618  return marr;
619}
620
[206]621Float SDMemTable::getTsys(Int whichRow) const
622{
[2]623  Array<Float> arr;
[322]624  tsCol_.get(whichRow, arr);
[2]625  Float out;
626  IPosition ip(arr.shape());
[16]627  ip(0) = beamSel_;ip(1) = IFSel_;ip(2) = polSel_;ip(3)=0;
[2]628  out = arr(ip);
629  return out;
630}
631
[281]632MDirection SDMemTable::getDirection(Int whichRow, Bool refBeam) const
[206]633{
[212]634  MDirection::Types mdr = getDirectionReference();
[206]635  Array<Double> posit;
[322]636  dirCol_.get(whichRow,posit);
[206]637  Vector<Double> wpos(2);
638  wpos[0] = posit(IPosition(2,beamSel_,0));
639  wpos[1] = posit(IPosition(2,beamSel_,1));
640  Quantum<Double> lon(wpos[0],Unit(String("rad")));
641  Quantum<Double> lat(wpos[1],Unit(String("rad")));
[286]642  return MDirection(lon, lat, mdr);
[206]643}
[39]644
[286]645MEpoch SDMemTable::getEpoch (Int whichRow) const
[206]646{
[286]647  MEpoch::Types met = getTimeReference();
648//
649  Double obstime;
[322]650  timeCol_.get(whichRow,obstime);
[286]651  MVEpoch tm2(Quantum<Double>(obstime, Unit(String("d"))));
652  return MEpoch(tm2, met);
653}
654
655MPosition SDMemTable::getAntennaPosition () const
656{
657  Vector<Double> antpos;
658  table_.keywordSet().get("AntennaPosition", antpos);
659  MVPosition mvpos(antpos(0),antpos(1),antpos(2));
660  return MPosition(mvpos);
661}
662
663
664SpectralCoordinate SDMemTable::getSpectralCoordinate(uInt whichIdx) const
665{
[206]666 
[39]667  Table t = table_.keywordSet().asTable("FREQUENCIES");
668  if (whichIdx > t.nrow() ) {
[286]669    throw(AipsError("SDMemTable::getSpectralCoordinate - whichIdx out of range"));
[39]670  }
[89]671
[39]672  Double rp,rv,inc;
673  String rf;
674  ROScalarColumn<Double> rpc(t, "REFPIX");
675  ROScalarColumn<Double> rvc(t, "REFVAL");
676  ROScalarColumn<Double> incc(t, "INCREMENT");
[105]677  t.keywordSet().get("BASEREFFRAME",rf);
[89]678
[286]679// Create SpectralCoordinate (units Hz)
680
[39]681  MFrequency::Types mft;
682  if (!MFrequency::getType(mft, rf)) {
683    cerr << "Frequency type unknown assuming TOPO" << endl;
[89]684    mft = MFrequency::TOPO;
685  }
[39]686  rpc.get(whichIdx, rp);
687  rvc.get(whichIdx, rv);
688  incc.get(whichIdx, inc);
[286]689//
[39]690  SpectralCoordinate spec(mft,rv,inc,rp);
[286]691//
692  return spec;
693}
694
695
696SpectralCoordinate SDMemTable::getSpectralCoordinate(uInt whichIdx, uInt whichRow) const
697{
698// Create basic SC
699
700  SpectralCoordinate spec = getSpectralCoordinate (whichIdx);
701//
702  Table t = table_.keywordSet().asTable("FREQUENCIES");
703
704// Set rest frequencies
705
706  Vector<Double> vec;
707  t.keywordSet().get("RESTFREQS",vec);
708  if (vec.nelements() > 0) {
[89]709    spec.setRestFrequencies(vec);
[286]710
711// Select rest freq
712
713    if (vec.nelements() >= nIF()) {
714       spec.selectRestFrequency(uInt(IFSel_));
715    }
716  }
717
718// Set up frame conversion layer
719
720  String frm;
721  t.keywordSet().get("REFFRAME",frm);
722  if (frm == "") frm = "TOPO";
723  MFrequency::Types mtype;
724  if (!MFrequency::getType(mtype, frm)) {
725    cout << "Frequency type unknown assuming TOPO" << endl;       // SHould never happen
726    mtype = MFrequency::TOPO;
727  }
728
729// Set reference frame conversion  (requires row)
730
731  MDirection direct = getDirection(whichRow);
732  MEpoch epoch = getEpoch(whichRow);
733  MPosition pos = getAntennaPosition();
734  if (!spec.setReferenceConversion(mtype,epoch,pos,direct)) {
735    throw(AipsError("Couldn't convert frequency frame."));
736  }
737
738// Now velocity conversion if appropriate
739
740  String unitStr;
741  t.keywordSet().get("UNIT",unitStr);
742//
743  String dpl;
744  t.keywordSet().get("DOPPLER",dpl);
745  MDoppler::Types dtype;
746  MDoppler::getType(dtype, dpl);
747
748// Only set velocity unit if non-blank and non-Hz
749
750  if (!unitStr.empty()) {
751     Unit unitU(unitStr);
752     if (unitU==Unit("Hz")) {
753     } else {
754        spec.setVelocity(unitStr, dtype);
755     }
756  }
757//
[39]758  return spec;
759}
760
[286]761
[89]762Bool SDMemTable::setCoordinate(const SpectralCoordinate& speccord,
763                               uInt whichIdx) {
[50]764  Table t = table_.rwKeywordSet().asTable("FREQUENCIES");
765  if (whichIdx > t.nrow() ) {
[89]766    throw(AipsError("SDMemTable::setCoordinate - coord no out of range"));
[50]767  }
768  ScalarColumn<Double> rpc(t, "REFPIX");
769  ScalarColumn<Double> rvc(t, "REFVAL");
770  ScalarColumn<Double> incc(t, "INCREMENT");
[89]771
[50]772  rpc.put(whichIdx, speccord.referencePixel()[0]);
773  rvc.put(whichIdx, speccord.referenceValue()[0]);
774  incc.put(whichIdx, speccord.increment()[0]);
775
776  return True;
777}
778
[89]779Int SDMemTable::nCoordinates() const
780{
781  return table_.keywordSet().asTable("FREQUENCIES").nrow();
782}
[50]783
[206]784void SDMemTable::setRestFreqs(std::vector<double> freqs,
785                              const std::string& theunit)
[89]786{
787  Vector<Double> tvec(freqs);
788  Quantum<Vector<Double> > q(tvec, String(theunit));
789  tvec.resize();
790  tvec = q.getValue("Hz");
791  Table t = table_.keywordSet().asTable("FREQUENCIES");
792  t.rwKeywordSet().define("RESTFREQS",tvec);
793}
794
[251]795std::vector<double> SDMemTable::getRestFreqs() const
796{
797  Table t = table_.keywordSet().asTable("FREQUENCIES");
798  Vector<Double> tvec;
799  t.keywordSet().get("RESTFREQS",tvec);
800  std::vector<double> stlout;
801  tvec.tovector(stlout);
802  return stlout; 
803}
804
[206]805bool SDMemTable::putSDFreqTable(const SDFrequencyTable& sdft)
806{
[39]807  TableDesc td("", "1", TableDesc::Scratch);
808  td.addColumn(ScalarColumnDesc<Double>("REFPIX"));
809  td.addColumn(ScalarColumnDesc<Double>("REFVAL"));
810  td.addColumn(ScalarColumnDesc<Double>("INCREMENT"));
811  SetupNewTable aNewTab("freqs", td, Table::New);
812  Table aTable (aNewTab, Table::Memory, sdft.length());
813  ScalarColumn<Double> sc0(aTable, "REFPIX");
814  ScalarColumn<Double> sc1(aTable, "REFVAL");
815  ScalarColumn<Double> sc2(aTable, "INCREMENT");
816  for (uInt i=0; i < sdft.length(); ++i) {
817    sc0.put(i,sdft.referencePixel(i));
818    sc1.put(i,sdft.referenceValue(i));
819    sc2.put(i,sdft.increment(i));
820  }
[105]821  String rf = sdft.refFrame();
822  if (rf.contains("TOPO")) rf = "TOPO";
823
824  aTable.rwKeywordSet().define("BASEREFFRAME", rf);
825  aTable.rwKeywordSet().define("REFFRAME", rf);
[39]826  aTable.rwKeywordSet().define("EQUINOX", sdft.equinox());
[105]827  aTable.rwKeywordSet().define("UNIT", String(""));
828  aTable.rwKeywordSet().define("DOPPLER", String("RADIO"));
[89]829  Vector<Double> rfvec;
[206]830  String rfunit;
831  sdft.restFrequencies(rfvec,rfunit);
832  Quantum<Vector<Double> > q(rfvec, rfunit);
833  rfvec.resize();
834  rfvec = q.getValue("Hz");
[89]835  aTable.rwKeywordSet().define("RESTFREQS", rfvec);
[39]836  table_.rwKeywordSet().defineTable ("FREQUENCIES", aTable);
837  return True;
838}
839
[206]840SDFrequencyTable SDMemTable::getSDFreqTable() const
841{
[251]842  const Table& t = table_.keywordSet().asTable("FREQUENCIES");
[39]843  SDFrequencyTable sdft;
[306]844
845// Add refpix/refval/incr.  What are the units ? Hz I suppose
846// but it's nowhere described...
847
848  Vector<Double> refPix, refVal, incr;
849  ScalarColumn<Double> refPixCol(t, "REFPIX");
850  ScalarColumn<Double> refValCol(t, "REFVAL");
851  ScalarColumn<Double> incrCol(t, "INCREMENT");
852  refPix = refPixCol.getColumn();
853  refVal = refValCol.getColumn();
854  incr = incrCol.getColumn();
855//
856  uInt n = refPix.nelements();
857  for (uInt i=0; i<n; i++) {
858     sdft.addFrequency(refPix[i], refVal[i], incr[i]);
859  }
860
861// Frequency reference frame.  I don't know if this
862// is the correct frame.  It might be 'REFFRAME'
863// rather than 'BASEREFFRAME' ?
864
865  String baseFrame;
866  t.keywordSet().get("BASEREFFRAME",baseFrame);
867  sdft.setRefFrame(baseFrame);
868
869// Equinox
870
871  Float equinox;
872  t.keywordSet().get("EQUINOX", equinox);
873  sdft.setEquinox(equinox);
874
875// Rest Frequency
876
877  Vector<Double> restFreqs;
878  t.keywordSet().get("RESTFREQS", restFreqs);
879  for (uInt i=0; i<restFreqs.nelements(); i++) {
880     sdft.addRestFrequency(restFreqs[i]);
881  }
882  sdft.setRestFrequencyUnit(String("Hz"));
883//
[39]884  return sdft;
885}
886
[206]887bool SDMemTable::putSDContainer(const SDContainer& sdc)
888{
[2]889  uInt rno = table_.nrow();
890  table_.addRow();
[89]891
[322]892//  mjd.put(rno, sdc.timestamp);
893  timeCol_.put(rno, sdc.timestamp);
894  srcnCol_.put(rno, sdc.sourcename);
895  fldnCol_.put(rno, sdc.fieldname);
896  specCol_.put(rno, sdc.getSpectrum());
897  flagsCol_.put(rno, sdc.getFlags());
898  tsCol_.put(rno, sdc.getTsys());
899  scanCol_.put(rno, sdc.scanid);
900  integrCol_.put(rno, sdc.interval);
901  freqidCol_.put(rno, sdc.getFreqMap());
902  dirCol_.put(rno, sdc.getDirection());
903  rbeamCol_.put(rno, sdc.refbeam);
904  tcalCol_.put(rno, sdc.tcal);
905  tcaltCol_.put(rno, sdc.tcaltime);
906  azCol_.put(rno, sdc.azimuth);
907  elCol_.put(rno, sdc.elevation);
908  paraCol_.put(rno, sdc.parangle);
909  histCol_.put(rno, sdc.getHistory());
[89]910
[2]911  return true;
912}
[18]913
[206]914SDContainer SDMemTable::getSDContainer(uInt whichRow) const
915{
[21]916  SDContainer sdc(nBeam(),nIF(),nPol(),nChan());
[322]917  timeCol_.get(whichRow, sdc.timestamp);
918  srcnCol_.get(whichRow, sdc.sourcename);
919  integrCol_.get(whichRow, sdc.interval);
920  scanCol_.get(whichRow, sdc.scanid);
921  fldnCol_.get(whichRow, sdc.fieldname);
922  rbeamCol_.get(whichRow, sdc.refbeam);
923  azCol_.get(whichRow, sdc.azimuth);
924  elCol_.get(whichRow, sdc.elevation);
925  paraCol_.get(whichRow, sdc.parangle);
[105]926  Vector<Float> tc;
[322]927  tcalCol_.get(whichRow, tc);
[105]928  sdc.tcal[0] = tc[0];sdc.tcal[1] = tc[1];
[322]929  tcaltCol_.get(whichRow, sdc.tcaltime);
[21]930  Array<Float> spectrum;
931  Array<Float> tsys;
932  Array<uChar> flagtrum;
[39]933  Vector<uInt> fmap;
[78]934  Array<Double> direction;
[206]935  Vector<String> histo;
[322]936  specCol_.get(whichRow, spectrum);
[21]937  sdc.putSpectrum(spectrum);
[322]938  flagsCol_.get(whichRow, flagtrum);
[21]939  sdc.putFlags(flagtrum);
[322]940  tsCol_.get(whichRow, tsys);
[21]941  sdc.putTsys(tsys);
[322]942  freqidCol_.get(whichRow, fmap);
[39]943  sdc.putFreqMap(fmap);
[322]944  dirCol_.get(whichRow, direction);
[78]945  sdc.putDirection(direction);
[322]946  histCol_.get(whichRow, histo);
[206]947  sdc.putHistory(histo);
[21]948  return sdc;
949}
[78]950
[206]951bool SDMemTable::putSDHeader(const SDHeader& sdh)
952{
[18]953  table_.rwKeywordSet().define("nIF", sdh.nif);
954  table_.rwKeywordSet().define("nBeam", sdh.nbeam);
955  table_.rwKeywordSet().define("nPol", sdh.npol);
956  table_.rwKeywordSet().define("nChan", sdh.nchan);
957  table_.rwKeywordSet().define("Observer", sdh.observer);
958  table_.rwKeywordSet().define("Project", sdh.project);
959  table_.rwKeywordSet().define("Obstype", sdh.obstype);
960  table_.rwKeywordSet().define("AntennaName", sdh.antennaname);
961  table_.rwKeywordSet().define("AntennaPosition", sdh.antennaposition);
962  table_.rwKeywordSet().define("Equinox", sdh.equinox);
963  table_.rwKeywordSet().define("FreqRefFrame", sdh.freqref);
964  table_.rwKeywordSet().define("FreqRefVal", sdh.reffreq);
965  table_.rwKeywordSet().define("Bandwidth", sdh.bandwidth);
966  table_.rwKeywordSet().define("UTC", sdh.utc);
[206]967  table_.rwKeywordSet().define("FluxUnit", sdh.fluxunit);
968  table_.rwKeywordSet().define("Epoch", sdh.epoch);
[18]969  return true;
[50]970}
[21]971
[206]972SDHeader SDMemTable::getSDHeader() const
973{
[21]974  SDHeader sdh;
975  table_.keywordSet().get("nBeam",sdh.nbeam);
976  table_.keywordSet().get("nIF",sdh.nif);
977  table_.keywordSet().get("nPol",sdh.npol);
978  table_.keywordSet().get("nChan",sdh.nchan);
979  table_.keywordSet().get("Observer", sdh.observer);
980  table_.keywordSet().get("Project", sdh.project);
981  table_.keywordSet().get("Obstype", sdh.obstype);
982  table_.keywordSet().get("AntennaName", sdh.antennaname);
983  table_.keywordSet().get("AntennaPosition", sdh.antennaposition);
984  table_.keywordSet().get("Equinox", sdh.equinox);
985  table_.keywordSet().get("FreqRefFrame", sdh.freqref);
986  table_.keywordSet().get("FreqRefVal", sdh.reffreq);
987  table_.keywordSet().get("Bandwidth", sdh.bandwidth);
988  table_.keywordSet().get("UTC", sdh.utc);
[206]989  table_.keywordSet().get("FluxUnit", sdh.fluxunit);
990  table_.keywordSet().get("Epoch", sdh.epoch);
[21]991  return sdh;
[18]992}
[206]993void SDMemTable::makePersistent(const std::string& filename)
994{
[2]995  table_.deepCopy(filename,Table::New);
996}
997
[89]998Int SDMemTable::nScan() const {
[50]999  Int n = 0;
1000  Int previous = -1;Int current=0;
[322]1001  for (uInt i=0; i< scanCol_.nrow();i++) {
1002    scanCol_.getScalar(i,current);
[50]1003    if (previous != current) {
[89]1004      previous = current;
[50]1005      n++;
1006    }
1007  }
1008  return n;
1009}
1010
[260]1011String SDMemTable::formatSec(Double x) const
[206]1012{
[105]1013  Double xcop = x;
1014  MVTime mvt(xcop/24./3600.);  // make days
[281]1015 
[105]1016  if (x < 59.95)
[281]1017    return  String("      ") + mvt.string(MVTime::TIME_CLEAN_NO_HM, 7)+"s";
1018  else if (x < 3599.95)
1019    return String("   ") + mvt.string(MVTime::TIME_CLEAN_NO_H,7)+" ";
1020  else {
1021    ostringstream oss;
1022    oss << setw(2) << std::right << setprecision(1) << mvt.hour();
1023    oss << ":" << mvt.string(MVTime::TIME_CLEAN_NO_H,7) << " ";
1024    return String(oss);
1025  }   
[105]1026};
1027
[281]1028String SDMemTable::formatDirection(const MDirection& md) const
1029{
1030  Vector<Double> t = md.getAngle(Unit(String("rad"))).getValue();
1031  Int prec = 7;
1032
1033  MVAngle mvLon(t[0]);
1034  String sLon = mvLon.string(MVAngle::TIME,prec);
1035  MVAngle mvLat(t[1]);
1036  String sLat = mvLat.string(MVAngle::ANGLE+MVAngle::DIG2,prec);
1037
1038   return sLon + String(" ") + sLat;
1039}
1040
1041
[206]1042std::string SDMemTable::getFluxUnit() const
1043{
1044  String tmp;
1045  table_.keywordSet().get("FluxUnit", tmp);
1046  return tmp;
1047}
1048
[218]1049void SDMemTable::setFluxUnit(const std::string& unit)
1050{
1051  String tmp(unit);
1052  Unit tU(tmp);
1053  if (tU==Unit("K") || tU==Unit("Jy")) {
1054     table_.rwKeywordSet().define(String("FluxUnit"), tmp);
1055  } else {
1056     throw AipsError("Illegal unit - must be compatible with Jy or K");
1057  }
1058}
1059
[275]1060
[236]1061void SDMemTable::setInstrument(const std::string& name)
1062{
1063  Bool throwIt = True;
1064  Instrument ins = convertInstrument (name, throwIt);
1065  String nameU(name);
1066  nameU.upcase();
1067  table_.rwKeywordSet().define(String("AntennaName"), nameU);
1068}
1069
[260]1070std::string SDMemTable::summary() const  {
[281]1071
1072  // get number of integrations per scan
1073  int cIdx = 0;
1074  int idx = 0;
1075  int scount = 0;
1076  std::vector<int> cycles;
[322]1077  for (uInt i=0; i<scanCol_.nrow();++i) {
1078    while (idx == cIdx && i<scanCol_.nrow()) {
1079      scanCol_.getScalar(++i,cIdx);
[281]1080      ++scount;
1081    }
1082    idx = cIdx;
1083    cycles.push_back(scount);
1084    scount=0;
1085    --i;
1086  } 
1087
1088
[89]1089  ostringstream oss;
1090  oss << endl;
1091  oss << "--------------------------------------------------" << endl;
1092  oss << " Scan Table Summary" << endl;
1093  oss << "--------------------------------------------------" << endl;
1094  oss.flags(std::ios_base::left);
1095  oss << setw(15) << "Beams:" << setw(4) << nBeam() << endl
1096      << setw(15) << "IFs:" << setw(4) << nIF() << endl
1097      << setw(15) << "Polarisations:" << setw(4) << nPol() << endl
1098      << setw(15) << "Channels:"  << setw(4) << nChan() << endl;
1099  oss << endl;
1100  String tmp;
1101  table_.keywordSet().get("Observer", tmp);
1102  oss << setw(15) << "Observer:" << tmp << endl;
[281]1103  oss << setw(15) << "Obs Date:" << getTime(-1,True) << endl;
[89]1104  table_.keywordSet().get("Project", tmp);
1105  oss << setw(15) << "Project:" << tmp << endl;
1106  table_.keywordSet().get("Obstype", tmp);
1107  oss << setw(15) << "Obs. Type:" << tmp << endl;
1108  table_.keywordSet().get("AntennaName", tmp);
1109  oss << setw(15) << "Antenna Name:" << tmp << endl;
[206]1110  table_.keywordSet().get("FluxUnit", tmp);
1111  oss << setw(15) << "Flux Unit:" << tmp << endl;
[260]1112  Table t = table_.keywordSet().asTable("FREQUENCIES");
[105]1113  Vector<Double> vec;
1114  t.keywordSet().get("RESTFREQS",vec);
1115  oss << setw(15) << "Rest Freqs:";
1116  if (vec.nelements() > 0) {
1117      oss << setprecision(0) << vec << " [Hz]" << endl;
1118  } else {
1119      oss << "None set" << endl;
1120  }
[158]1121  oss << setw(15) << "Abcissa:" << getAbcissaString() << endl;
[105]1122  oss << setw(15) << "Cursor:" << "Beam[" << getBeam() << "] "
1123      << "IF[" << getIF() << "] " << "Pol[" << getPol() << "]" << endl;
[89]1124  oss << endl;
[2]1125  uInt count = 0;
1126  String name;
1127  Int previous = -1;Int current=0;
[89]1128  Int integ = 0;
[281]1129  String dirtype ="Position ("+
1130    MDirection::showType(getDirectionReference())+
1131    ")";
[89]1132  oss << setw(6) << "Scan"
[281]1133      << setw(15) << "Source"
1134      << setw(26) << dirtype
1135      << setw(10) << "Time"
1136      << setw(13) << "Integration" << endl;
1137  oss << "-------------------------------------------------------------------------------" << endl;
1138 
1139  std::vector<int>::iterator it = cycles.begin();
[322]1140  for (uInt i=0; i< scanCol_.nrow();i++) {
1141    scanCol_.getScalar(i,current);
[2]1142    if (previous != current) {
[322]1143      srcnCol_.getScalar(i,name);
[50]1144      previous = current;
[105]1145      String t = formatSec(Double(getInterval(i)));
[281]1146      String posit = formatDirection(getDirection(i,True));
1147      oss << setw(6) << count
1148          << setw(15) << name
1149          << setw(26) << posit
1150          << setw(10) << getTime(i,False)
1151          << setw(3) << std::right << *it << " x "
1152          << setw(10)
1153          << t << std::left << endl;
[50]1154      count++;
[281]1155      it++;
[89]1156    } else {
1157      integ++;
[2]1158    }
1159  }
[89]1160  oss << endl;
[321]1161  oss << "Table contains " << table_.nrow() << " integration(s) in " << count << " scan(s)." << endl;
1162
1163// Frequency Table
1164
1165  std::vector<string> info = getCoordInfo();
1166  SDFrequencyTable sdft = getSDFreqTable();
1167  oss << endl << endl;
[325]1168  oss << "FreqID  Frame   RefFreq(Hz)     RefPix   Increment(Hz)" << endl;
[328]1169  oss << "-------------------------------------------------------------------------------" << endl;
[321]1170  for (uInt i=0; i<sdft.length(); i++) {
[325]1171     oss << setw(8) << i << setw(8)
1172                    << info[3] << setw(16) << setprecision (8)
1173                    << sdft.referenceValue(i) << setw(10)
1174                    << sdft.referencePixel(i) << setw(12)
[321]1175                    << sdft.increment(i) << endl;
1176  }
1177  oss << "-------------------------------------------------------------------------------" << endl;
[89]1178  return String(oss);
[2]1179}
[18]1180
[206]1181Int SDMemTable::nBeam() const
1182{
[18]1183  Int n;
1184  table_.keywordSet().get("nBeam",n);
1185  return n;
1186}
1187Int SDMemTable::nIF() const {
1188  Int n;
1189  table_.keywordSet().get("nIF",n);
1190  return n;
1191}
1192Int SDMemTable::nPol() const {
1193  Int n;
1194  table_.keywordSet().get("nPol",n);
1195  return n;
1196}
1197Int SDMemTable::nChan() const {
1198  Int n;
1199  table_.keywordSet().get("nChan",n);
1200  return n;
1201}
[206]1202bool SDMemTable::appendHistory(const std::string& hist, int whichRow)
1203{
1204  Vector<String> history;
[322]1205  histCol_.get(whichRow, history);
[206]1206  history.resize(history.nelements()+1,True);
1207  history[history.nelements()-1] = hist;
[322]1208  histCol_.put(whichRow, history);
[206]1209}
1210
1211std::vector<std::string> SDMemTable::history(int whichRow) const
1212{
1213  Vector<String> history;
[322]1214  histCol_.get(whichRow, history);
[206]1215  std::vector<std::string> stlout;
1216  // there is no Array<String>.tovector(std::vector<std::string>), so
1217  // do it by hand
1218  for (uInt i=0; i<history.nelements(); ++i) {
1219    stlout.push_back(history[i]);
1220  }
1221  return stlout;
1222}
[16]1223/*
[18]1224void SDMemTable::maskChannels(const std::vector<Int>& whichChans ) {
[89]1225
[16]1226  std::vector<int>::iterator it;
[206]1227  ArrayAccessor<uChar, Axis<asap::PolAxis> > j(flags_);
[16]1228  for (it = whichChans.begin(); it != whichChans.end(); it++) {
1229    j.reset(j.begin(uInt(*it)));
[206]1230    for (ArrayAccessor<uChar, Axis<asap::BeamAxis> > i(j); i != i.end(); ++i) {
1231      for (ArrayAccessor<uChar, Axis<asap::IFAxis> > ii(i); ii != ii.end(); ++ii) {
1232        for (ArrayAccessor<uChar, Axis<asap::ChanAxis> > iii(ii);
[89]1233             iii != iii.end(); ++iii) {
1234          (*iii) =
1235        }
[16]1236      }
1237    }
1238  }
[89]1239
[16]1240}
1241*/
[206]1242void SDMemTable::flag(int whichRow)
1243{
[89]1244  Array<uChar> arr;
[322]1245  flagsCol_.get(whichRow, arr);
[89]1246
[206]1247  ArrayAccessor<uChar, Axis<asap::BeamAxis> > aa0(arr);
[89]1248  aa0.reset(aa0.begin(uInt(beamSel_)));//go to beam
[206]1249  ArrayAccessor<uChar, Axis<asap::IFAxis> > aa1(aa0);
[89]1250  aa1.reset(aa1.begin(uInt(IFSel_)));// go to IF
[206]1251  ArrayAccessor<uChar, Axis<asap::PolAxis> > aa2(aa1);
[89]1252  aa2.reset(aa2.begin(uInt(polSel_)));// go to pol
1253
[206]1254  for (ArrayAccessor<uChar, Axis<asap::ChanAxis> > i(aa2); i != i.end(); ++i) {
[89]1255    (*i) = uChar(True);
1256  }
1257
[322]1258  flagsCol_.put(whichRow, arr);
[89]1259}
[212]1260
[281]1261MDirection::Types SDMemTable::getDirectionReference() const
[212]1262
1263  Float eq;
1264  table_.keywordSet().get("Equinox",eq);
1265  std::map<float,string> mp;
1266  mp[2000.0] = "J2000";
1267  mp[1950.0] = "B1950";
1268  MDirection::Types mdr;
1269  if (!MDirection::getType(mdr, mp[eq])) {   
1270    mdr = MDirection::J2000;
1271    cerr  << "Unknown equinox using J2000" << endl;
1272  }
1273//
1274  return mdr;
1275}
1276
1277MEpoch::Types SDMemTable::getTimeReference () const
1278{
1279  MEpoch::Types met;
1280  String ep;
1281  table_.keywordSet().get("Epoch",ep);
1282  if (!MEpoch::getType(met, ep)) {
1283    cerr << "Epoch type uknown - using UTC" << endl;
1284    met = MEpoch::UTC;
1285  }
1286//
1287  return met;
1288}
1289
[236]1290
1291Instrument SDMemTable::convertInstrument (const String& instrument,
1292                                          Bool throwIt)
1293{
1294   String t(instrument);
1295   t.upcase();
[293]1296
1297// The strings are what SDReader returns, after cunning interrogation
1298// of station names... :-(
1299
[236]1300   Instrument inst = asap::UNKNOWN;
[293]1301   if (t==String("DSS-43")) {               
[236]1302      inst = TIDBINBILLA;
1303   } else if (t==String("ATPKSMB")) {
[292]1304      inst = ATPKSMB;
1305   } else if (t==String("ATPKSHOH")) {
1306      inst = ATPKSHOH;
1307   } else if (t==String("ATMOPRA")) {
1308      inst = ATMOPRA;
1309   } else if (t==String("CEDUNA")) {
1310      inst = CEDUNA;
1311   } else if (t==String("HOBART")) {
1312      inst = HOBART;
[236]1313   } else {
1314      if (throwIt) {
1315         throw AipsError("Unrecognized instrument - use function scan.set_instrument to set");
1316      }
1317   }
1318   return inst;
1319}
1320
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