[805] | 1 | // |
---|
| 2 | // C++ Implementation: Scantable |
---|
| 3 | // |
---|
| 4 | // Description: |
---|
| 5 | // |
---|
| 6 | // |
---|
| 7 | // Author: Malte Marquarding <asap@atnf.csiro.au>, (C) 2005 |
---|
| 8 | // |
---|
| 9 | // Copyright: See COPYING file that comes with this distribution |
---|
| 10 | // |
---|
| 11 | // |
---|
[206] | 12 | #include <map> |
---|
| 13 | |
---|
[125] | 14 | #include <casa/aips.h> |
---|
[80] | 15 | #include <casa/iostream.h> |
---|
| 16 | #include <casa/iomanip.h> |
---|
[805] | 17 | #include <casa/OS/Path.h> |
---|
| 18 | #include <casa/OS/File.h> |
---|
[80] | 19 | #include <casa/Arrays/Array.h> |
---|
| 20 | #include <casa/Arrays/ArrayMath.h> |
---|
| 21 | #include <casa/Arrays/MaskArrMath.h> |
---|
| 22 | #include <casa/Arrays/ArrayLogical.h> |
---|
| 23 | #include <casa/Arrays/ArrayAccessor.h> |
---|
[455] | 24 | #include <casa/Arrays/VectorSTLIterator.h> |
---|
[206] | 25 | #include <casa/Arrays/Vector.h> |
---|
[418] | 26 | #include <casa/BasicMath/Math.h> |
---|
[504] | 27 | #include <casa/BasicSL/Constants.h> |
---|
[286] | 28 | #include <casa/Quanta/MVAngle.h> |
---|
[805] | 29 | #include <casa/Containers/RecordField.h> |
---|
[2] | 30 | |
---|
[80] | 31 | #include <tables/Tables/TableParse.h> |
---|
| 32 | #include <tables/Tables/TableDesc.h> |
---|
[488] | 33 | #include <tables/Tables/TableCopy.h> |
---|
[80] | 34 | #include <tables/Tables/SetupNewTab.h> |
---|
| 35 | #include <tables/Tables/ScaColDesc.h> |
---|
| 36 | #include <tables/Tables/ArrColDesc.h> |
---|
[805] | 37 | #include <tables/Tables/TableRow.h> |
---|
| 38 | #include <tables/Tables/TableVector.h> |
---|
| 39 | #include <tables/Tables/TableIter.h> |
---|
[2] | 40 | |
---|
[80] | 41 | #include <tables/Tables/ExprNode.h> |
---|
| 42 | #include <tables/Tables/TableRecord.h> |
---|
| 43 | #include <measures/Measures/MFrequency.h> |
---|
[805] | 44 | #include <measures/Measures/MEpoch.h> |
---|
[80] | 45 | #include <measures/Measures/MeasTable.h> |
---|
[805] | 46 | #include <measures/Measures/MeasRef.h> |
---|
| 47 | #include <measures/TableMeasures/TableMeasRefDesc.h> |
---|
| 48 | #include <measures/TableMeasures/TableMeasValueDesc.h> |
---|
| 49 | #include <measures/TableMeasures/TableMeasDesc.h> |
---|
| 50 | #include <measures/TableMeasures/ScalarMeasColumn.h> |
---|
[105] | 51 | #include <coordinates/Coordinates/CoordinateUtil.h> |
---|
[80] | 52 | #include <casa/Quanta/MVTime.h> |
---|
[281] | 53 | #include <casa/Quanta/MVAngle.h> |
---|
[2] | 54 | |
---|
[805] | 55 | #include "Scantable.h" |
---|
[476] | 56 | #include "SDAttr.h" |
---|
[2] | 57 | |
---|
[125] | 58 | using namespace casa; |
---|
[2] | 59 | |
---|
[805] | 60 | namespace asap { |
---|
| 61 | |
---|
| 62 | Scantable::Scantable(Table::TableType ttype) : |
---|
| 63 | type_(ttype), |
---|
| 64 | freqTable_(ttype), |
---|
| 65 | focusTable_(ttype), |
---|
| 66 | weatherTable_(ttype), |
---|
| 67 | tcalTable_(ttype), |
---|
| 68 | moleculeTable_(ttype) |
---|
[206] | 69 | { |
---|
[805] | 70 | setupMainTable(); |
---|
| 71 | table_.rwKeywordSet().defineTable("FREQUENCIES", freqTable_.table()); |
---|
| 72 | table_.rwKeywordSet().defineTable("WEATHER", weatherTable_.table()); |
---|
| 73 | table_.rwKeywordSet().defineTable("FOCUS", focusTable_.table()); |
---|
| 74 | table_.rwKeywordSet().defineTable("TCAL", tcalTable_.table()); |
---|
| 75 | table_.rwKeywordSet().defineTable("MOLECULES", moleculeTable_.table()); |
---|
| 76 | setupHistoryTable(); |
---|
| 77 | setupFitTable(); |
---|
| 78 | |
---|
| 79 | originalTable_ = table_; |
---|
[322] | 80 | attach(); |
---|
[18] | 81 | } |
---|
[206] | 82 | |
---|
[805] | 83 | Scantable::Scantable(const std::string& name, Table::TableType ttype) : |
---|
| 84 | type_(ttype), |
---|
| 85 | freqTable_(ttype) |
---|
[206] | 86 | { |
---|
[50] | 87 | Table tab(name); |
---|
[499] | 88 | Int version; |
---|
[483] | 89 | tab.keywordSet().get("VERSION", version); |
---|
| 90 | if (version != version_) { |
---|
| 91 | throw(AipsError("Unsupported version of ASAP file.")); |
---|
| 92 | } |
---|
[805] | 93 | if ( type_ == Table::Memory ) |
---|
| 94 | table_ = tab.copyToMemoryTable("dummy"); |
---|
| 95 | else |
---|
| 96 | table_ = tab; |
---|
| 97 | |
---|
| 98 | originalTable_ = table_; |
---|
[329] | 99 | attach(); |
---|
[2] | 100 | } |
---|
| 101 | |
---|
[805] | 102 | |
---|
| 103 | Scantable::Scantable( const Scantable& other, bool clear ) |
---|
[206] | 104 | { |
---|
[805] | 105 | // with or without data |
---|
[16] | 106 | if (clear) { |
---|
[805] | 107 | table_ = TableCopy::makeEmptyMemoryTable(String("dummy"), other.table_, |
---|
| 108 | True); |
---|
[16] | 109 | } else { |
---|
[805] | 110 | table_ = other.table_.copyToMemoryTable(String("dummy")); |
---|
[16] | 111 | } |
---|
[483] | 112 | |
---|
[805] | 113 | originalTable_ = table_; |
---|
[322] | 114 | attach(); |
---|
[2] | 115 | } |
---|
| 116 | |
---|
[805] | 117 | Scantable::~Scantable() |
---|
[206] | 118 | { |
---|
[805] | 119 | cout << "~Scantable() " << this << endl; |
---|
[2] | 120 | } |
---|
| 121 | |
---|
[805] | 122 | void Scantable::setupMainTable() |
---|
[206] | 123 | { |
---|
[805] | 124 | TableDesc td("", "1", TableDesc::Scratch); |
---|
| 125 | td.comment() = "An ASAP Scantable"; |
---|
| 126 | td.rwKeywordSet().define("VERSION", Int(version_)); |
---|
[2] | 127 | |
---|
[805] | 128 | // n Cycles |
---|
| 129 | td.addColumn(ScalarColumnDesc<uInt>("SCANNO")); |
---|
| 130 | // new index every nBeam x nIF x nPol |
---|
| 131 | td.addColumn(ScalarColumnDesc<uInt>("CYCLENO")); |
---|
[2] | 132 | |
---|
[805] | 133 | td.addColumn(ScalarColumnDesc<uInt>("BEAMNO")); |
---|
| 134 | td.addColumn(ScalarColumnDesc<uInt>("IFNO")); |
---|
| 135 | td.rwKeywordSet().define("POLTYPE", String("linear")); |
---|
| 136 | td.addColumn(ScalarColumnDesc<uInt>("POLNO")); |
---|
[138] | 137 | |
---|
[805] | 138 | td.addColumn(ScalarColumnDesc<uInt>("FREQ_ID")); |
---|
| 139 | td.addColumn(ScalarColumnDesc<uInt>("MOLECULE_ID")); |
---|
| 140 | // linear, circular, stokes [I Q U V], stokes1 [I Plinear Pangle V] |
---|
| 141 | td.addColumn(ScalarColumnDesc<Int>("REFBEAMNO")); |
---|
[80] | 142 | |
---|
[805] | 143 | td.addColumn(ScalarColumnDesc<Double>("TIME")); |
---|
| 144 | TableMeasRefDesc measRef(MEpoch::UTC); // UTC as default |
---|
| 145 | TableMeasValueDesc measVal(td, "TIME"); |
---|
| 146 | TableMeasDesc<MEpoch> mepochCol(measVal, measRef); |
---|
| 147 | mepochCol.write(td); |
---|
[483] | 148 | |
---|
[805] | 149 | td.addColumn(ScalarColumnDesc<Double>("INTERVAL")); |
---|
| 150 | |
---|
[2] | 151 | td.addColumn(ScalarColumnDesc<String>("SRCNAME")); |
---|
[805] | 152 | // Type of source (on=0, off=1, other=-1) |
---|
| 153 | td.addColumn(ScalarColumnDesc<Int>("SRCTYPE", Int(-1))); |
---|
| 154 | td.addColumn(ScalarColumnDesc<String>("FIELDNAME")); |
---|
| 155 | |
---|
| 156 | //The actual Data Vectors |
---|
[2] | 157 | td.addColumn(ArrayColumnDesc<Float>("SPECTRA")); |
---|
| 158 | td.addColumn(ArrayColumnDesc<uChar>("FLAGTRA")); |
---|
[89] | 159 | td.addColumn(ArrayColumnDesc<Float>("TSYS")); |
---|
[805] | 160 | |
---|
| 161 | td.addColumn(ArrayColumnDesc<Double>("DIRECTION", |
---|
| 162 | IPosition(1,2), |
---|
| 163 | ColumnDesc::Direct)); |
---|
| 164 | TableMeasRefDesc mdirRef(MDirection::J2000); // default |
---|
| 165 | TableMeasValueDesc tmvdMDir(td, "DIRECTION"); |
---|
| 166 | // the TableMeasDesc gives the column a type |
---|
| 167 | TableMeasDesc<MDirection> mdirCol(tmvdMDir, mdirRef); |
---|
| 168 | // writing create the measure column |
---|
| 169 | mdirCol.write(td); |
---|
| 170 | td.addColumn(ScalarColumnDesc<Double>("AZIMUTH")); |
---|
| 171 | td.addColumn(ScalarColumnDesc<Double>("ELEVATION")); |
---|
[105] | 172 | td.addColumn(ScalarColumnDesc<Float>("PARANGLE")); |
---|
| 173 | |
---|
[805] | 174 | td.addColumn(ScalarColumnDesc<uInt>("TCAL_ID")); |
---|
| 175 | td.addColumn(ScalarColumnDesc<uInt>("FIT_ID")); |
---|
| 176 | |
---|
| 177 | td.addColumn(ScalarColumnDesc<uInt>("FOCUS_ID")); |
---|
| 178 | td.addColumn(ScalarColumnDesc<uInt>("WEATHER_ID")); |
---|
| 179 | |
---|
| 180 | td.rwKeywordSet().define("OBSMODE", String("")); |
---|
| 181 | |
---|
[418] | 182 | // Now create Table SetUp from the description. |
---|
[22] | 183 | SetupNewTable aNewTab("dummy", td, Table::New); |
---|
[805] | 184 | table_ = Table(aNewTab, Table::Memory, 0); |
---|
[418] | 185 | |
---|
[805] | 186 | originalTable_ = table_; |
---|
[745] | 187 | |
---|
[805] | 188 | } |
---|
[418] | 189 | |
---|
[805] | 190 | void asap::Scantable::setupHistoryTable( ) |
---|
| 191 | { |
---|
[483] | 192 | TableDesc tdh("", "1", TableDesc::Scratch); |
---|
| 193 | tdh.addColumn(ScalarColumnDesc<String>("ITEM")); |
---|
[805] | 194 | SetupNewTable histtab("history", tdh, Table::New); |
---|
[483] | 195 | Table histTable(histtab, Table::Memory); |
---|
| 196 | table_.rwKeywordSet().defineTable("HISTORY", histTable); |
---|
[2] | 197 | } |
---|
| 198 | |
---|
[805] | 199 | void Scantable::setupFitTable() |
---|
[322] | 200 | { |
---|
[39] | 201 | TableDesc td("", "1", TableDesc::Scratch); |
---|
[805] | 202 | td.addColumn(ScalarColumnDesc<uInt>("FIT_ID")); |
---|
[455] | 203 | td.addColumn(ArrayColumnDesc<String>("FUNCTIONS")); |
---|
| 204 | td.addColumn(ArrayColumnDesc<Int>("COMPONENTS")); |
---|
| 205 | td.addColumn(ArrayColumnDesc<Double>("PARAMETERS")); |
---|
| 206 | td.addColumn(ArrayColumnDesc<Bool>("PARMASK")); |
---|
[465] | 207 | td.addColumn(ArrayColumnDesc<String>("FRAMEINFO")); |
---|
[455] | 208 | SetupNewTable aNewTab("fits", td, Table::New); |
---|
| 209 | Table aTable(aNewTab, Table::Memory); |
---|
| 210 | table_.rwKeywordSet().defineTable("FITS", aTable); |
---|
| 211 | } |
---|
| 212 | |
---|
[805] | 213 | void Scantable::attach() |
---|
[455] | 214 | { |
---|
[805] | 215 | historyTable_ = table_.keywordSet().asTable("HISTORY"); |
---|
| 216 | fitTable_ = table_.keywordSet().asTable("FITS"); |
---|
[455] | 217 | |
---|
[805] | 218 | timeCol_.attach(table_, "TIME"); |
---|
| 219 | srcnCol_.attach(table_, "SRCNAME"); |
---|
| 220 | specCol_.attach(table_, "SPECTRA"); |
---|
| 221 | flagsCol_.attach(table_, "FLAGTRA"); |
---|
| 222 | tsCol_.attach(table_, "TSYS"); |
---|
| 223 | cycleCol_.attach(table_,"CYCLENO"); |
---|
| 224 | scanCol_.attach(table_, "SCANNO"); |
---|
| 225 | beamCol_.attach(table_, "BEAMNO"); |
---|
| 226 | integrCol_.attach(table_, "INTERVAL"); |
---|
| 227 | azCol_.attach(table_, "AZIMUTH"); |
---|
| 228 | elCol_.attach(table_, "ELEVATION"); |
---|
| 229 | dirCol_.attach(table_, "DIRECTION"); |
---|
| 230 | paraCol_.attach(table_, "PARANGLE"); |
---|
| 231 | fldnCol_.attach(table_, "FIELDNAME"); |
---|
| 232 | rbeamCol_.attach(table_, "REFBEAMNO"); |
---|
[455] | 233 | |
---|
[805] | 234 | mfitidCol_.attach(table_,"FIT_ID"); |
---|
| 235 | fitidCol_.attach(fitTable_,"FIT_ID"); |
---|
[465] | 236 | |
---|
[805] | 237 | mfreqidCol_.attach(table_, "FREQ_ID"); |
---|
[465] | 238 | |
---|
[805] | 239 | mtcalidCol_.attach(table_, "TCAL_ID"); |
---|
[465] | 240 | |
---|
[805] | 241 | mfocusidCol_.attach(table_, "FOCUS_ID"); |
---|
[455] | 242 | |
---|
[805] | 243 | mmolidCol_.attach(table_, "MOLECULE_ID"); |
---|
[455] | 244 | } |
---|
| 245 | |
---|
[805] | 246 | void Scantable::putSDHeader(const SDHeader& sdh) |
---|
[206] | 247 | { |
---|
[18] | 248 | table_.rwKeywordSet().define("nIF", sdh.nif); |
---|
| 249 | table_.rwKeywordSet().define("nBeam", sdh.nbeam); |
---|
| 250 | table_.rwKeywordSet().define("nPol", sdh.npol); |
---|
| 251 | table_.rwKeywordSet().define("nChan", sdh.nchan); |
---|
| 252 | table_.rwKeywordSet().define("Observer", sdh.observer); |
---|
| 253 | table_.rwKeywordSet().define("Project", sdh.project); |
---|
| 254 | table_.rwKeywordSet().define("Obstype", sdh.obstype); |
---|
| 255 | table_.rwKeywordSet().define("AntennaName", sdh.antennaname); |
---|
| 256 | table_.rwKeywordSet().define("AntennaPosition", sdh.antennaposition); |
---|
| 257 | table_.rwKeywordSet().define("Equinox", sdh.equinox); |
---|
| 258 | table_.rwKeywordSet().define("FreqRefFrame", sdh.freqref); |
---|
| 259 | table_.rwKeywordSet().define("FreqRefVal", sdh.reffreq); |
---|
| 260 | table_.rwKeywordSet().define("Bandwidth", sdh.bandwidth); |
---|
| 261 | table_.rwKeywordSet().define("UTC", sdh.utc); |
---|
[206] | 262 | table_.rwKeywordSet().define("FluxUnit", sdh.fluxunit); |
---|
| 263 | table_.rwKeywordSet().define("Epoch", sdh.epoch); |
---|
[50] | 264 | } |
---|
[21] | 265 | |
---|
[805] | 266 | SDHeader Scantable::getSDHeader() const |
---|
[206] | 267 | { |
---|
[21] | 268 | SDHeader sdh; |
---|
| 269 | table_.keywordSet().get("nBeam",sdh.nbeam); |
---|
| 270 | table_.keywordSet().get("nIF",sdh.nif); |
---|
| 271 | table_.keywordSet().get("nPol",sdh.npol); |
---|
| 272 | table_.keywordSet().get("nChan",sdh.nchan); |
---|
| 273 | table_.keywordSet().get("Observer", sdh.observer); |
---|
| 274 | table_.keywordSet().get("Project", sdh.project); |
---|
| 275 | table_.keywordSet().get("Obstype", sdh.obstype); |
---|
| 276 | table_.keywordSet().get("AntennaName", sdh.antennaname); |
---|
| 277 | table_.keywordSet().get("AntennaPosition", sdh.antennaposition); |
---|
| 278 | table_.keywordSet().get("Equinox", sdh.equinox); |
---|
| 279 | table_.keywordSet().get("FreqRefFrame", sdh.freqref); |
---|
| 280 | table_.keywordSet().get("FreqRefVal", sdh.reffreq); |
---|
| 281 | table_.keywordSet().get("Bandwidth", sdh.bandwidth); |
---|
| 282 | table_.keywordSet().get("UTC", sdh.utc); |
---|
[206] | 283 | table_.keywordSet().get("FluxUnit", sdh.fluxunit); |
---|
| 284 | table_.keywordSet().get("Epoch", sdh.epoch); |
---|
[21] | 285 | return sdh; |
---|
[18] | 286 | } |
---|
[805] | 287 | |
---|
| 288 | int Scantable::rowToScanIndex( int therow ) |
---|
[745] | 289 | { |
---|
[805] | 290 | int therealrow = -1; |
---|
[483] | 291 | |
---|
[805] | 292 | return therealrow; |
---|
[2] | 293 | } |
---|
| 294 | |
---|
[805] | 295 | int Scantable::nScan() const { |
---|
| 296 | int n = 0; |
---|
| 297 | int previous = -1; int current = 0; |
---|
[322] | 298 | for (uInt i=0; i< scanCol_.nrow();i++) { |
---|
| 299 | scanCol_.getScalar(i,current); |
---|
[50] | 300 | if (previous != current) { |
---|
[89] | 301 | previous = current; |
---|
[50] | 302 | n++; |
---|
| 303 | } |
---|
| 304 | } |
---|
| 305 | return n; |
---|
| 306 | } |
---|
| 307 | |
---|
[805] | 308 | std::string Scantable::formatSec(Double x) const |
---|
[206] | 309 | { |
---|
[105] | 310 | Double xcop = x; |
---|
| 311 | MVTime mvt(xcop/24./3600.); // make days |
---|
[365] | 312 | |
---|
[105] | 313 | if (x < 59.95) |
---|
[281] | 314 | return String(" ") + mvt.string(MVTime::TIME_CLEAN_NO_HM, 7)+"s"; |
---|
[745] | 315 | else if (x < 3599.95) |
---|
[281] | 316 | return String(" ") + mvt.string(MVTime::TIME_CLEAN_NO_H,7)+" "; |
---|
| 317 | else { |
---|
| 318 | ostringstream oss; |
---|
| 319 | oss << setw(2) << std::right << setprecision(1) << mvt.hour(); |
---|
| 320 | oss << ":" << mvt.string(MVTime::TIME_CLEAN_NO_H,7) << " "; |
---|
| 321 | return String(oss); |
---|
[745] | 322 | } |
---|
[105] | 323 | }; |
---|
| 324 | |
---|
[805] | 325 | std::string Scantable::formatDirection(const MDirection& md) const |
---|
[281] | 326 | { |
---|
| 327 | Vector<Double> t = md.getAngle(Unit(String("rad"))).getValue(); |
---|
| 328 | Int prec = 7; |
---|
| 329 | |
---|
| 330 | MVAngle mvLon(t[0]); |
---|
| 331 | String sLon = mvLon.string(MVAngle::TIME,prec); |
---|
| 332 | MVAngle mvLat(t[1]); |
---|
| 333 | String sLat = mvLat.string(MVAngle::ANGLE+MVAngle::DIG2,prec); |
---|
[380] | 334 | return sLon + String(" ") + sLat; |
---|
[281] | 335 | } |
---|
| 336 | |
---|
| 337 | |
---|
[805] | 338 | std::string Scantable::getFluxUnit() const |
---|
[206] | 339 | { |
---|
| 340 | String tmp; |
---|
| 341 | table_.keywordSet().get("FluxUnit", tmp); |
---|
| 342 | return tmp; |
---|
| 343 | } |
---|
| 344 | |
---|
[805] | 345 | void Scantable::setFluxUnit(const std::string& unit) |
---|
[218] | 346 | { |
---|
| 347 | String tmp(unit); |
---|
| 348 | Unit tU(tmp); |
---|
| 349 | if (tU==Unit("K") || tU==Unit("Jy")) { |
---|
| 350 | table_.rwKeywordSet().define(String("FluxUnit"), tmp); |
---|
| 351 | } else { |
---|
| 352 | throw AipsError("Illegal unit - must be compatible with Jy or K"); |
---|
| 353 | } |
---|
| 354 | } |
---|
| 355 | |
---|
[805] | 356 | void Scantable::setInstrument(const std::string& name) |
---|
[236] | 357 | { |
---|
[805] | 358 | bool throwIt = true; |
---|
[476] | 359 | Instrument ins = SDAttr::convertInstrument(name, throwIt); |
---|
[236] | 360 | String nameU(name); |
---|
| 361 | nameU.upcase(); |
---|
| 362 | table_.rwKeywordSet().define(String("AntennaName"), nameU); |
---|
| 363 | } |
---|
| 364 | |
---|
[805] | 365 | MPosition Scantable::getAntennaPosition () const |
---|
| 366 | { |
---|
| 367 | Vector<Double> antpos; |
---|
| 368 | table_.keywordSet().get("AntennaPosition", antpos); |
---|
| 369 | MVPosition mvpos(antpos(0),antpos(1),antpos(2)); |
---|
| 370 | return MPosition(mvpos); |
---|
| 371 | } |
---|
[281] | 372 | |
---|
[805] | 373 | void Scantable::makePersistent(const std::string& filename) |
---|
| 374 | { |
---|
| 375 | String inname(filename); |
---|
| 376 | Path path(inname); |
---|
| 377 | inname = path.expandedName(); |
---|
| 378 | table_.deepCopy(inname, Table::New); |
---|
| 379 | } |
---|
| 380 | |
---|
| 381 | int asap::Scantable::nbeam( int scanno ) const |
---|
| 382 | { |
---|
| 383 | if ( scanno < 0 ) { |
---|
| 384 | Int n; |
---|
| 385 | table_.keywordSet().get("nBeam",n); |
---|
| 386 | return int(n); |
---|
[105] | 387 | } else { |
---|
[805] | 388 | // take the first POLNO,IFNO,CYCLENO as nbeam shouldn't vary with these |
---|
| 389 | Table tab = table_(table_.col("SCANNO") == scanno |
---|
| 390 | && table_.col("POLNO") == 0 |
---|
| 391 | && table_.col("IFNO") == 0 |
---|
| 392 | && table_.col("CYCLENO") == 0 ); |
---|
| 393 | ROTableVector<uInt> v(tab, "BEAMNO"); |
---|
| 394 | return int(v.nelements()); |
---|
[105] | 395 | } |
---|
[805] | 396 | return 0; |
---|
| 397 | } |
---|
[455] | 398 | |
---|
[805] | 399 | int asap::Scantable::nif( int scanno ) const |
---|
| 400 | { |
---|
| 401 | if ( scanno < 0 ) { |
---|
| 402 | Int n; |
---|
| 403 | table_.keywordSet().get("nIF",n); |
---|
| 404 | return int(n); |
---|
| 405 | } else { |
---|
| 406 | // take the first POLNO,BEAMNO,CYCLENO as nbeam shouldn't vary with these |
---|
| 407 | Table tab = table_(table_.col("SCANNO") == scanno |
---|
| 408 | && table_.col("POLNO") == 0 |
---|
| 409 | && table_.col("BEAMNO") == 0 |
---|
| 410 | && table_.col("CYCLENO") == 0 ); |
---|
| 411 | ROTableVector<uInt> v(tab, "IFNO"); |
---|
| 412 | return int(v.nelements()); |
---|
[2] | 413 | } |
---|
[805] | 414 | return 0; |
---|
| 415 | } |
---|
[321] | 416 | |
---|
[805] | 417 | int asap::Scantable::npol( int scanno ) const |
---|
| 418 | { |
---|
| 419 | if ( scanno < 0 ) { |
---|
| 420 | Int n; |
---|
| 421 | table_.keywordSet().get("nPol",n); |
---|
| 422 | return n; |
---|
| 423 | } else { |
---|
| 424 | // take the first POLNO,IFNO,CYCLENO as nbeam shouldn't vary with these |
---|
| 425 | Table tab = table_(table_.col("SCANNO") == scanno |
---|
| 426 | && table_.col("IFNO") == 0 |
---|
| 427 | && table_.col("BEAMNO") == 0 |
---|
| 428 | && table_.col("CYCLENO") == 0 ); |
---|
| 429 | ROTableVector<uInt> v(tab, "POLNO"); |
---|
| 430 | return int(v.nelements()); |
---|
[321] | 431 | } |
---|
[805] | 432 | return 0; |
---|
[2] | 433 | } |
---|
[805] | 434 | |
---|
| 435 | int asap::Scantable::nrow( int scanno ) const |
---|
[206] | 436 | { |
---|
[805] | 437 | if ( scanno < 0 ) { |
---|
| 438 | return int(table_.nrow()); |
---|
| 439 | } else { |
---|
| 440 | // take the first POLNO,IFNO,CYCLENO as nbeam shouldn't vary with these |
---|
| 441 | Table tab = table_(table_.col("SCANNO") == scanno |
---|
| 442 | && table_.col("BEAMNO") == 0 |
---|
| 443 | && table_.col("IFNO") == 0 |
---|
| 444 | && table_.col("POLNO") == 0 ); |
---|
| 445 | return int(tab.nrow()); |
---|
| 446 | } |
---|
| 447 | return 0; |
---|
[18] | 448 | } |
---|
[455] | 449 | |
---|
| 450 | |
---|
[805] | 451 | int asap::Scantable::nchan( int scanno, int ifno ) const |
---|
| 452 | { |
---|
| 453 | if ( scanno < 0 && ifno < 0 ) { |
---|
| 454 | Int n; |
---|
| 455 | table_.keywordSet().get("nChan",n); |
---|
| 456 | return int(n); |
---|
| 457 | } else { |
---|
| 458 | // take the first POLNO,IFNO,CYCLENO as nbeam shouldn't vary with these |
---|
| 459 | Table tab = table_(table_.col("SCANNO") == scanno |
---|
| 460 | && table_.col("IFNO") == ifno |
---|
| 461 | && table_.col("BEAMNO") == 0 |
---|
| 462 | && table_.col("POLNO") == 0 |
---|
| 463 | && table_.col("CYCLENO") == 0 ); |
---|
| 464 | ROArrayColumn<Float> v(tab, "SPECTRA"); |
---|
| 465 | cout << v.shape(0) << endl; |
---|
| 466 | return 0; |
---|
| 467 | } |
---|
| 468 | return 0; |
---|
[18] | 469 | } |
---|
[455] | 470 | |
---|
[805] | 471 | Table Scantable::getHistoryTable() const |
---|
[488] | 472 | { |
---|
| 473 | return table_.keywordSet().asTable("HISTORY"); |
---|
| 474 | } |
---|
| 475 | |
---|
[805] | 476 | void Scantable::appendToHistoryTable(const Table& otherHist) |
---|
[488] | 477 | { |
---|
| 478 | Table t = table_.rwKeywordSet().asTable("HISTORY"); |
---|
[805] | 479 | |
---|
| 480 | addHistory(asap::SEPERATOR); |
---|
[488] | 481 | TableCopy::copyRows(t, otherHist, t.nrow(), 0, otherHist.nrow()); |
---|
[805] | 482 | addHistory(asap::SEPERATOR); |
---|
[488] | 483 | } |
---|
| 484 | |
---|
[805] | 485 | void Scantable::addHistory(const std::string& hist) |
---|
[206] | 486 | { |
---|
[483] | 487 | Table t = table_.rwKeywordSet().asTable("HISTORY"); |
---|
[745] | 488 | uInt nrow = t.nrow(); |
---|
[483] | 489 | t.addRow(); |
---|
| 490 | ScalarColumn<String> itemCol(t, "ITEM"); |
---|
| 491 | itemCol.put(nrow, hist); |
---|
[206] | 492 | } |
---|
| 493 | |
---|
[805] | 494 | std::vector<std::string> Scantable::getHistory() const |
---|
[206] | 495 | { |
---|
| 496 | Vector<String> history; |
---|
[483] | 497 | const Table& t = table_.keywordSet().asTable("HISTORY"); |
---|
[745] | 498 | uInt nrow = t.nrow(); |
---|
[483] | 499 | ROScalarColumn<String> itemCol(t, "ITEM"); |
---|
| 500 | std::vector<std::string> stlout; |
---|
| 501 | String hist; |
---|
| 502 | for (uInt i=0; i<nrow; ++i) { |
---|
| 503 | itemCol.get(i, hist); |
---|
| 504 | stlout.push_back(hist); |
---|
| 505 | } |
---|
[206] | 506 | return stlout; |
---|
| 507 | } |
---|
[488] | 508 | |
---|
[805] | 509 | std::string Scantable::formatTime(const MEpoch& me, bool showdate) const |
---|
| 510 | { |
---|
| 511 | MVTime mvt(me.getValue()); |
---|
| 512 | if (showdate) |
---|
| 513 | mvt.setFormat(MVTime::YMD); |
---|
| 514 | else |
---|
| 515 | mvt.setFormat(MVTime::TIME); |
---|
| 516 | ostringstream oss; |
---|
| 517 | oss << mvt; |
---|
| 518 | return String(oss); |
---|
| 519 | } |
---|
[488] | 520 | |
---|
[805] | 521 | void Scantable::calculateAZEL() |
---|
| 522 | { |
---|
| 523 | MPosition mp = getAntennaPosition(); |
---|
| 524 | MEpoch::ROScalarColumn timeCol(table_, "TIME"); |
---|
| 525 | ostringstream oss; |
---|
| 526 | oss << "Computed azimuth/elevation using " << endl |
---|
| 527 | << mp << endl; |
---|
| 528 | for (uInt i=0; i<nrow(); ++i) { |
---|
| 529 | MEpoch me = timeCol(i); |
---|
| 530 | MDirection md = dirCol_(i); |
---|
| 531 | dirCol_.get(i,md); |
---|
| 532 | oss << " Time: " << formatTime(me,False) << " Direction: " << formatDirection(md) |
---|
| 533 | << endl << " => "; |
---|
| 534 | MeasFrame frame(mp, me); |
---|
| 535 | Vector<Double> azel = |
---|
| 536 | MDirection::Convert(md, MDirection::Ref(MDirection::AZEL, |
---|
| 537 | frame) |
---|
| 538 | )().getAngle("rad").getValue(); |
---|
| 539 | azCol_.put(i,azel[0]); |
---|
| 540 | elCol_.put(i,azel[1]); |
---|
| 541 | oss << "azel: " << azel[0]/C::pi*180.0 << " " |
---|
| 542 | << azel[1]/C::pi*180.0 << " (deg)" << endl; |
---|
[16] | 543 | } |
---|
[805] | 544 | pushLog(String(oss)); |
---|
| 545 | } |
---|
[89] | 546 | |
---|
[805] | 547 | double Scantable::getInterval(int whichrow) const |
---|
| 548 | { |
---|
| 549 | if (whichrow < 0) return 0.0; |
---|
| 550 | Double intval; |
---|
| 551 | integrCol_.get(Int(whichrow), intval); |
---|
| 552 | return intval; |
---|
[16] | 553 | } |
---|
[89] | 554 | |
---|
[805] | 555 | std::vector<bool> Scantable::getMask(int whichrow) const |
---|
| 556 | { |
---|
| 557 | Vector<uChar> flags; |
---|
| 558 | flagsCol_.get(uInt(whichrow), flags); |
---|
| 559 | Vector<Bool> bflag(flags.shape()); |
---|
| 560 | convertArray(bflag, flags); |
---|
| 561 | bflag = !bflag; |
---|
| 562 | std::vector<bool> mask; |
---|
| 563 | bflag.tovector(mask); |
---|
| 564 | return mask; |
---|
| 565 | } |
---|
[89] | 566 | |
---|
[805] | 567 | std::vector<float> Scantable::getSpectrum(int whichrow) const |
---|
| 568 | { |
---|
| 569 | Vector<Float> arr; |
---|
| 570 | specCol_.get(whichrow, arr); |
---|
| 571 | std::vector<float> out; |
---|
| 572 | arr.tovector(out); |
---|
| 573 | return out; |
---|
[89] | 574 | } |
---|
[212] | 575 | |
---|
[805] | 576 | String Scantable::generateName() |
---|
[745] | 577 | { |
---|
[805] | 578 | return (File::newUniqueName("./","temp")).baseName(); |
---|
[212] | 579 | } |
---|
| 580 | |
---|
[805] | 581 | const casa::Table& Scantable::table( ) const |
---|
[212] | 582 | { |
---|
[805] | 583 | return table_; |
---|
[212] | 584 | } |
---|
| 585 | |
---|
[805] | 586 | casa::Table& Scantable::table( ) |
---|
[386] | 587 | { |
---|
[805] | 588 | return table_; |
---|
[386] | 589 | } |
---|
| 590 | |
---|
[805] | 591 | std::string Scantable::getPolarizationLabel(bool linear, bool stokes, |
---|
| 592 | bool linpol, int polidx) const |
---|
[401] | 593 | { |
---|
[805] | 594 | uInt idx = 0; |
---|
| 595 | if (polidx >=0) idx = polidx; |
---|
| 596 | return ""; |
---|
| 597 | //return SDPolUtil::polarizationLabel(idx, linear, stokes, linpol); |
---|
[401] | 598 | } |
---|
[386] | 599 | |
---|
[805] | 600 | void Scantable::unsetSelection() |
---|
[380] | 601 | { |
---|
[805] | 602 | table_ = originalTable_; |
---|
| 603 | selector_.reset(); |
---|
[380] | 604 | } |
---|
[386] | 605 | |
---|
[805] | 606 | void Scantable::setSelection( const STSelector& selection ) |
---|
[430] | 607 | { |
---|
[805] | 608 | Table tab = const_cast<STSelector&>(selection).apply(originalTable_); |
---|
| 609 | if ( tab.nrow() == 0 ) { |
---|
| 610 | throw(AipsError("Selection contains no data. Not applying it.")); |
---|
| 611 | } |
---|
| 612 | table_ = tab; |
---|
| 613 | selector_ = selection; |
---|
[430] | 614 | } |
---|
| 615 | |
---|
[805] | 616 | std::string asap::Scantable::summary( bool verbose ) |
---|
[447] | 617 | { |
---|
[805] | 618 | // Format header info |
---|
| 619 | ostringstream oss; |
---|
| 620 | oss << endl; |
---|
| 621 | oss << asap::SEPERATOR << endl; |
---|
| 622 | oss << " Scan Table Summary" << endl; |
---|
| 623 | oss << asap::SEPERATOR << endl; |
---|
| 624 | oss.flags(std::ios_base::left); |
---|
| 625 | oss << setw(15) << "Beams:" << setw(4) << nbeam() << endl |
---|
| 626 | << setw(15) << "IFs:" << setw(4) << nif() << endl |
---|
| 627 | << setw(15) << "Polarisations:" << setw(4) << npol() << endl |
---|
| 628 | << setw(15) << "Channels:" << setw(4) << nchan() << endl; |
---|
| 629 | oss << endl; |
---|
| 630 | String tmp; |
---|
| 631 | //table_.keywordSet().get("Observer", tmp); |
---|
| 632 | oss << setw(15) << "Observer:" << table_.keywordSet().asString("Observer") << endl; |
---|
| 633 | oss << setw(15) << "Obs Date:" << getTime(-1,true) << endl; |
---|
| 634 | table_.keywordSet().get("Project", tmp); |
---|
| 635 | oss << setw(15) << "Project:" << tmp << endl; |
---|
| 636 | table_.keywordSet().get("Obstype", tmp); |
---|
| 637 | oss << setw(15) << "Obs. Type:" << tmp << endl; |
---|
| 638 | table_.keywordSet().get("AntennaName", tmp); |
---|
| 639 | oss << setw(15) << "Antenna Name:" << tmp << endl; |
---|
| 640 | table_.keywordSet().get("FluxUnit", tmp); |
---|
| 641 | oss << setw(15) << "Flux Unit:" << tmp << endl; |
---|
| 642 | Vector<Float> vec; |
---|
| 643 | oss << setw(15) << "Rest Freqs:"; |
---|
| 644 | if (vec.nelements() > 0) { |
---|
| 645 | oss << setprecision(10) << vec << " [Hz]" << endl; |
---|
| 646 | } else { |
---|
| 647 | oss << "none" << endl; |
---|
| 648 | } |
---|
| 649 | oss << setw(15) << "Abcissa:" << "channel" << endl; |
---|
| 650 | oss << selector_.print() << endl; |
---|
| 651 | oss << endl; |
---|
| 652 | // main table |
---|
| 653 | String dirtype = "Position (" |
---|
| 654 | + MDirection::showType(dirCol_.getMeasRef().getType()) |
---|
| 655 | + ")"; |
---|
| 656 | oss << setw(5) << "Scan" |
---|
| 657 | << setw(15) << "Source" |
---|
| 658 | // << setw(24) << dirtype |
---|
| 659 | << setw(10) << "Time" |
---|
| 660 | << setw(18) << "Integration" << endl |
---|
| 661 | << setw(5) << "" << setw(10) << "Beam" << dirtype << endl |
---|
| 662 | << setw(15) << "" << setw(5) << "IF" |
---|
| 663 | << setw(8) << "Frame" << setw(16) |
---|
| 664 | << "RefVal" << setw(10) << "RefPix" << setw(12) << "Increment" <<endl; |
---|
| 665 | oss << asap::SEPERATOR << endl; |
---|
| 666 | TableIterator iter(table_, "SCANNO"); |
---|
| 667 | while (!iter.pastEnd()) { |
---|
| 668 | Table subt = iter.table(); |
---|
| 669 | ROTableRow row(subt); |
---|
| 670 | MEpoch::ROScalarColumn timeCol(subt,"TIME"); |
---|
| 671 | const TableRecord& rec = row.get(0); |
---|
| 672 | oss << setw(4) << std::right << rec.asuInt("SCANNO") |
---|
| 673 | << std::left << setw(1) << "" |
---|
| 674 | << setw(15) << rec.asString("SRCNAME") |
---|
| 675 | << setw(10) << formatTime(timeCol(0), false); |
---|
| 676 | // count the cycles in the scan |
---|
| 677 | TableIterator cyciter(subt, "CYCLENO"); |
---|
| 678 | int nint = 0; |
---|
| 679 | while (!cyciter.pastEnd()) { |
---|
| 680 | ++nint; |
---|
| 681 | ++cyciter; |
---|
| 682 | } |
---|
| 683 | oss << setw(3) << std::right << nint << setw(3) << " x " << std::left |
---|
| 684 | << setw(6) << formatSec(rec.asFloat("INTERVAL")) << endl; |
---|
[447] | 685 | |
---|
[805] | 686 | TableIterator biter(subt, "BEAMNO"); |
---|
| 687 | while (!biter.pastEnd()) { |
---|
| 688 | Table bsubt = biter.table(); |
---|
| 689 | ROTableRow brow(bsubt); |
---|
| 690 | MDirection::ROScalarColumn bdirCol(bsubt,"DIRECTION"); |
---|
| 691 | const TableRecord& brec = brow.get(0); |
---|
| 692 | oss << setw(6) << "" << setw(10) << brec.asuInt("BEAMNO"); |
---|
| 693 | oss << setw(24) << formatDirection(bdirCol(0)) << endl; |
---|
| 694 | TableIterator iiter(bsubt, "IFNO"); |
---|
| 695 | while (!iiter.pastEnd()) { |
---|
| 696 | Table isubt = iiter.table(); |
---|
| 697 | ROTableRow irow(isubt); |
---|
| 698 | const TableRecord& irec = irow.get(0); |
---|
| 699 | oss << std::right <<setw(8) << "" << std::left << irec.asuInt("IFNO"); |
---|
| 700 | oss << frequencies().print(irec.asuInt("FREQ_ID")); |
---|
[447] | 701 | |
---|
[805] | 702 | ++iiter; |
---|
| 703 | } |
---|
| 704 | ++biter; |
---|
| 705 | } |
---|
| 706 | ++iter; |
---|
[447] | 707 | } |
---|
[805] | 708 | /// @todo implement verbose mode |
---|
| 709 | return String(oss); |
---|
[447] | 710 | } |
---|
| 711 | |
---|
[805] | 712 | std::string Scantable::getTime(int whichrow, bool showdate) const |
---|
[777] | 713 | { |
---|
[805] | 714 | MEpoch::ROScalarColumn timeCol(table_, "TIME"); |
---|
| 715 | MEpoch me; |
---|
| 716 | if (whichrow > -1) { |
---|
| 717 | me = timeCol(uInt(whichrow)); |
---|
| 718 | } else { |
---|
| 719 | Double tm; |
---|
| 720 | table_.keywordSet().get("UTC",tm); |
---|
| 721 | me = MEpoch(MVEpoch(tm)); |
---|
[777] | 722 | } |
---|
[805] | 723 | return formatTime(me, showdate); |
---|
[777] | 724 | } |
---|
[805] | 725 | |
---|
| 726 | }//namespace asap |
---|