[2356] | 1 | #include <iostream>
|
---|
| 2 | #include <fstream>
|
---|
| 3 |
|
---|
| 4 | #include <casa/BasicSL/String.h>
|
---|
| 5 | #include <casa/Arrays/Vector.h>
|
---|
| 6 | #include <casa/Arrays/Matrix.h>
|
---|
| 7 | #include <casa/Arrays/Cube.h>
|
---|
| 8 | #include <casa/Arrays/ArrayMath.h>
|
---|
[2375] | 9 | #include <casa/Arrays/ArrayIter.h>
|
---|
[2356] | 10 | #include <casa/Quanta/Quantum.h>
|
---|
| 11 | #include <casa/Quanta/QuantumHolder.h>
|
---|
| 12 | #include <casa/Utilities/CountedPtr.h>
|
---|
[2361] | 13 | #include <casa/Logging/LogIO.h>
|
---|
[2356] | 14 |
|
---|
| 15 | #include <tables/Tables/Table.h>
|
---|
[2360] | 16 | #include <tables/Tables/TableRecord.h>
|
---|
| 17 | #include <tables/Tables/ExprNode.h>
|
---|
[2356] | 18 | #include <tables/Tables/ScalarColumn.h>
|
---|
| 19 | #include <tables/Tables/ArrayColumn.h>
|
---|
[2379] | 20 | #include <tables/Tables/TableIter.h>
|
---|
[2356] | 21 |
|
---|
| 22 | #include <measures/Measures/MDirection.h>
|
---|
| 23 |
|
---|
[2364] | 24 | #include <MathUtils.h>
|
---|
| 25 |
|
---|
[2356] | 26 | #include "STGrid.h"
|
---|
| 27 |
|
---|
| 28 | using namespace std ;
|
---|
| 29 | using namespace casa ;
|
---|
| 30 | using namespace asap ;
|
---|
| 31 |
|
---|
| 32 | namespace asap {
|
---|
| 33 |
|
---|
| 34 | // constructor
|
---|
| 35 | STGrid::STGrid()
|
---|
| 36 | {
|
---|
| 37 | init() ;
|
---|
| 38 | }
|
---|
| 39 |
|
---|
| 40 | STGrid::STGrid( const string infile )
|
---|
| 41 | {
|
---|
| 42 | init() ;
|
---|
| 43 |
|
---|
| 44 | setFileIn( infile ) ;
|
---|
| 45 | }
|
---|
| 46 |
|
---|
| 47 | void STGrid::init()
|
---|
| 48 | {
|
---|
[2362] | 49 | ifno_ = -1 ;
|
---|
[2356] | 50 | nx_ = -1 ;
|
---|
| 51 | ny_ = -1 ;
|
---|
[2361] | 52 | npol_ = 0 ;
|
---|
| 53 | nchan_ = 0 ;
|
---|
| 54 | nrow_ = 0 ;
|
---|
[2356] | 55 | cellx_ = 0.0 ;
|
---|
| 56 | celly_ = 0.0 ;
|
---|
| 57 | center_ = Vector<Double> ( 2, 0.0 ) ;
|
---|
| 58 | convType_ = "BOX" ;
|
---|
[2361] | 59 | wtype_ = "UNIFORM" ;
|
---|
[2356] | 60 | convSupport_ = -1 ;
|
---|
| 61 | userSupport_ = -1 ;
|
---|
| 62 | convSampling_ = 100 ;
|
---|
[2379] | 63 | nprocessed_ = 0 ;
|
---|
| 64 | nchunk_ = 0 ;
|
---|
[2356] | 65 | }
|
---|
| 66 |
|
---|
| 67 | void STGrid::setFileIn( const string infile )
|
---|
| 68 | {
|
---|
| 69 | String name( infile ) ;
|
---|
| 70 | if ( infile_.compare( name ) != 0 ) {
|
---|
| 71 | infile_ = String( infile ) ;
|
---|
| 72 | tab_ = Table( infile_ ) ;
|
---|
| 73 | }
|
---|
| 74 | }
|
---|
| 75 |
|
---|
[2360] | 76 | void STGrid::setPolList( vector<unsigned int> pols )
|
---|
| 77 | {
|
---|
| 78 | pollist_.assign( Vector<uInt>( pols ) ) ;
|
---|
| 79 | cout << "pollist_ = " << pollist_ << endl ;
|
---|
| 80 | }
|
---|
| 81 |
|
---|
[2364] | 82 | void STGrid::setScanList( vector<unsigned int> scans )
|
---|
| 83 | {
|
---|
| 84 | scanlist_.assign( Vector<uInt>( scans ) ) ;
|
---|
| 85 | cout << "scanlist_ = " << scanlist_ << endl ;
|
---|
| 86 | }
|
---|
| 87 |
|
---|
[2361] | 88 | void STGrid::setWeight( const string wType )
|
---|
| 89 | {
|
---|
| 90 | wtype_ = String( wType ) ;
|
---|
| 91 | wtype_.upcase() ;
|
---|
| 92 | cout << "wtype_ = " << wtype_ << endl ;
|
---|
| 93 | }
|
---|
| 94 |
|
---|
[2356] | 95 | void STGrid::defineImage( int nx,
|
---|
| 96 | int ny,
|
---|
| 97 | string scellx,
|
---|
| 98 | string scelly,
|
---|
| 99 | string scenter )
|
---|
| 100 | {
|
---|
| 101 | ROArrayColumn<Double> dirCol( tab_, "DIRECTION" ) ;
|
---|
| 102 | Matrix<Double> direction = dirCol.getColumn() ;
|
---|
| 103 | Double rmax, rmin, dmax, dmin ;
|
---|
| 104 | minMax( rmin, rmax, direction.row( 0 ) ) ;
|
---|
| 105 | minMax( dmin, dmax, direction.row( 1 ) ) ;
|
---|
| 106 |
|
---|
| 107 | Int npx = (Int)nx ;
|
---|
| 108 | Int npy = (Int)ny ;
|
---|
| 109 | String cellx( scellx ) ;
|
---|
| 110 | String celly( scelly ) ;
|
---|
| 111 | String center( scenter ) ;
|
---|
| 112 | setupGrid( npx, npy,
|
---|
| 113 | cellx, celly,
|
---|
| 114 | rmin, rmax,
|
---|
| 115 | dmin, dmax,
|
---|
| 116 | center ) ;
|
---|
| 117 | }
|
---|
| 118 |
|
---|
[2364] | 119 | void STGrid::setFunc( string convType,
|
---|
| 120 | int convSupport )
|
---|
[2356] | 121 | {
|
---|
| 122 | convType_ = String( convType ) ;
|
---|
| 123 | convType_.upcase() ;
|
---|
| 124 | userSupport_ = (Int)convSupport ;
|
---|
| 125 | }
|
---|
| 126 |
|
---|
| 127 | #define NEED_UNDERSCORES
|
---|
| 128 | #if defined(NEED_UNDERSCORES)
|
---|
| 129 | #define ggridsd ggridsd_
|
---|
| 130 | #endif
|
---|
| 131 | extern "C" {
|
---|
| 132 | void ggridsd(Double*,
|
---|
| 133 | const Complex*,
|
---|
| 134 | Int*,
|
---|
| 135 | Int*,
|
---|
| 136 | Int*,
|
---|
| 137 | const Int*,
|
---|
| 138 | const Int*,
|
---|
| 139 | const Float*,
|
---|
| 140 | Int*,
|
---|
| 141 | Int*,
|
---|
| 142 | Complex*,
|
---|
| 143 | Float*,
|
---|
| 144 | Int*,
|
---|
| 145 | Int*,
|
---|
| 146 | Int *,
|
---|
| 147 | Int *,
|
---|
| 148 | Int*,
|
---|
| 149 | Int*,
|
---|
| 150 | Float*,
|
---|
| 151 | Int*,
|
---|
| 152 | Int*,
|
---|
| 153 | Double*);
|
---|
| 154 | }
|
---|
[2381] | 155 | void STGrid::call_ggridsd( Double* xy,
|
---|
| 156 | const Complex* values,
|
---|
| 157 | Int* nvispol,
|
---|
| 158 | Int* nvischan,
|
---|
| 159 | const Int* flag,
|
---|
| 160 | const Int* rflag,
|
---|
| 161 | const Float* weight,
|
---|
| 162 | Int* nrow,
|
---|
| 163 | Int* irow,
|
---|
| 164 | Complex* grid,
|
---|
| 165 | Float* wgrid,
|
---|
| 166 | Int* nx,
|
---|
| 167 | Int* ny,
|
---|
| 168 | Int * npol,
|
---|
| 169 | Int * nchan,
|
---|
| 170 | Int* support,
|
---|
| 171 | Int* sampling,
|
---|
| 172 | Float* convFunc,
|
---|
| 173 | Int *chanMap,
|
---|
| 174 | Int *polMap )
|
---|
| 175 | {
|
---|
| 176 | // parameters for gridding
|
---|
| 177 | Int idopsf = 0 ;
|
---|
| 178 | Int len = (*npol)*(*nchan) ;
|
---|
| 179 | Double *sumw_p = new Double[len] ;
|
---|
| 180 | {
|
---|
| 181 | Double *work_p = sumw_p ;
|
---|
| 182 | for ( Int i = 0 ; i < len ; i++ ) {
|
---|
| 183 | *work_p = 0.0 ;
|
---|
| 184 | work_p++ ;
|
---|
| 185 | }
|
---|
| 186 | }
|
---|
| 187 |
|
---|
| 188 | // call ggridsd
|
---|
| 189 | ggridsd( xy,
|
---|
| 190 | values,
|
---|
| 191 | nvispol,
|
---|
| 192 | nvischan,
|
---|
| 193 | &idopsf,
|
---|
| 194 | flag,
|
---|
| 195 | rflag,
|
---|
| 196 | weight,
|
---|
| 197 | nrow,
|
---|
| 198 | irow,
|
---|
| 199 | grid,
|
---|
| 200 | wgrid,
|
---|
| 201 | nx,
|
---|
| 202 | ny,
|
---|
| 203 | npol,
|
---|
| 204 | nchan,
|
---|
| 205 | support,
|
---|
| 206 | sampling,
|
---|
| 207 | convFunc,
|
---|
| 208 | chanMap,
|
---|
| 209 | polMap,
|
---|
| 210 | sumw_p ) ;
|
---|
| 211 |
|
---|
| 212 | // finalization
|
---|
| 213 | delete sumw_p ;
|
---|
| 214 | }
|
---|
| 215 |
|
---|
[2378] | 216 | void STGrid::gridPerRow()
|
---|
| 217 | {
|
---|
| 218 | LogIO os( LogOrigin("STGrid", "gridPerRow", WHERE) ) ;
|
---|
| 219 | double t0, t1 ;
|
---|
| 220 |
|
---|
| 221 | // grid parameter
|
---|
| 222 | os << LogIO::DEBUGGING ;
|
---|
| 223 | os << "----------" << endl ;
|
---|
| 224 | os << "Grid parameter summary" << endl ;
|
---|
| 225 | os << " (nx,ny) = (" << nx_ << "," << ny_ << ")" << endl ;
|
---|
| 226 | os << " (cellx,celly) = (" << cellx_ << "," << celly_ << ")" << endl ;
|
---|
| 227 | os << " center = " << center_ << endl ;
|
---|
| 228 | os << "----------" << LogIO::POST ;
|
---|
| 229 | os << LogIO::NORMAL ;
|
---|
| 230 |
|
---|
| 231 | // boolean for getStorage
|
---|
| 232 | Bool deletePos, deleteData, deleteWgt, deleteFlag, deleteFlagR, deleteConv, deleteDataG, deleteWgtG ;
|
---|
| 233 |
|
---|
| 234 | // convolution kernel
|
---|
| 235 | Vector<Float> convFunc ;
|
---|
| 236 | t0 = mathutil::gettimeofday_sec() ;
|
---|
| 237 | setConvFunc( convFunc ) ;
|
---|
| 238 | t1 = mathutil::gettimeofday_sec() ;
|
---|
| 239 | os << "setConvFunc: elapsed time is " << t1-t0 << " sec." << LogIO::POST ;
|
---|
| 240 | //cout << "convSupport=" << convSupport_ << endl ;
|
---|
| 241 | //cout << "convFunc=" << convFunc << endl ;
|
---|
| 242 |
|
---|
[2379] | 243 | // grid data
|
---|
[2378] | 244 | Int gnx = nx_ ;
|
---|
| 245 | Int gny = ny_ ;
|
---|
[2379] | 246 | // Extend grid plane with convSupport_
|
---|
[2378] | 247 | // Int gnx = nx_+convSupport_*2 ;
|
---|
| 248 | // Int gny = ny_+convSupport_*2 ;
|
---|
| 249 | IPosition gshape( 4, gnx, gny, npol_, nchan_ ) ;
|
---|
| 250 | Array<Complex> gdataArrC( gshape, 0.0 ) ;
|
---|
| 251 | // 2011/12/20 TN
|
---|
| 252 | // data_ and gwgtArr share storage
|
---|
| 253 | data_.resize( gshape ) ;
|
---|
| 254 | data_ = 0.0 ;
|
---|
| 255 | Array<Float> gwgtArr( data_ ) ;
|
---|
| 256 |
|
---|
| 257 | // data storage
|
---|
[2379] | 258 | Int irow = -1 ;
|
---|
[2380] | 259 | IPosition cshape( 3, npol_, nchan_, nchunk_ ) ;
|
---|
| 260 | IPosition mshape( 2, npol_, nchunk_ ) ;
|
---|
| 261 | IPosition vshape( 1, nchunk_ ) ;
|
---|
[2379] | 262 | IPosition dshape( 2, 2, nchunk_ ) ;
|
---|
[2380] | 263 | IPosition wshape( 2, nchan_, nchunk_ ) ;
|
---|
| 264 | Array<Complex> spectra( cshape ) ;
|
---|
[2378] | 265 | Array<Double> direction( dshape ) ;
|
---|
[2380] | 266 | Array<Int> flagtra( cshape ) ;
|
---|
[2378] | 267 | Array<Int> rflag( vshape ) ;
|
---|
[2380] | 268 | Array<Float> weight( wshape ) ;
|
---|
[2378] | 269 | Array<Double> xypos( dshape ) ;
|
---|
| 270 |
|
---|
[2381] | 271 | spectraF_.resize( cshape ) ;
|
---|
| 272 | flagtraUC_.resize( cshape ) ;
|
---|
| 273 | rflagUI_.resize( vshape ) ;
|
---|
| 274 |
|
---|
[2379] | 275 | // parameters for gridding
|
---|
| 276 | Int *chanMap = new Int[nchan_] ;
|
---|
| 277 | {
|
---|
| 278 | Int *work_p = chanMap ;
|
---|
| 279 | for ( Int i = 0 ; i < nchan_ ; i++ ) {
|
---|
| 280 | *work_p = i ;
|
---|
| 281 | work_p++ ;
|
---|
| 282 | }
|
---|
| 283 | }
|
---|
| 284 | Int *polMap = new Int[npol_] ;
|
---|
| 285 | {
|
---|
| 286 | Int *work_p = polMap ;
|
---|
| 287 | for ( Int i = 0 ; i < npol_ ; i++ ) {
|
---|
| 288 | *work_p = i ;
|
---|
| 289 | work_p++ ;
|
---|
| 290 | }
|
---|
| 291 | }
|
---|
| 292 |
|
---|
| 293 | // for performance check
|
---|
| 294 | double eGetDataChunk = 0.0 ;
|
---|
| 295 | double eToPixel = 0.0 ;
|
---|
| 296 | double eGGridSD = 0.0 ;
|
---|
[2381] | 297 | double eToInt = 0.0 ;
|
---|
[2379] | 298 |
|
---|
[2380] | 299 | // prepare pointer
|
---|
| 300 | Float *conv_p = convFunc.getStorage( deleteConv ) ;
|
---|
| 301 | Complex *gdata_p = gdataArrC.getStorage( deleteDataG ) ;
|
---|
| 302 | Float *wdata_p = gwgtArr.getStorage( deleteWgtG ) ;
|
---|
| 303 | const Complex *data_p = spectra.getStorage( deleteData ) ;
|
---|
| 304 | const Float *wgt_p = weight.getStorage( deleteWgt ) ;
|
---|
| 305 | const Int *flag_p = flagtra.getStorage( deleteFlag ) ;
|
---|
| 306 | const Int *rflag_p = rflag.getStorage( deleteFlagR ) ;
|
---|
| 307 | Double *xypos_p = xypos.getStorage( deletePos ) ;
|
---|
| 308 |
|
---|
[2378] | 309 | while( !pastEnd() ) {
|
---|
| 310 | // retrieve data
|
---|
[2379] | 311 | t0 = mathutil::gettimeofday_sec() ;
|
---|
| 312 | Int nrow = getDataChunk( spectra, direction, flagtra, rflag, weight ) ;
|
---|
| 313 | //os << "nrow = " << nrow << LogIO::POST ;
|
---|
| 314 | t1 = mathutil::gettimeofday_sec() ;
|
---|
| 315 | eGetDataChunk += t1-t0 ;
|
---|
[2381] | 316 | eToInt += subtime_ ;
|
---|
[2378] | 317 |
|
---|
| 318 | // world -> pixel
|
---|
[2379] | 319 | t0 = mathutil::gettimeofday_sec() ;
|
---|
[2378] | 320 | toPixel( direction, xypos ) ;
|
---|
[2379] | 321 | t1 = mathutil::gettimeofday_sec() ;
|
---|
| 322 | eToPixel += t1-t0 ;
|
---|
| 323 |
|
---|
[2378] | 324 | // call ggridsd
|
---|
[2379] | 325 | irow = -1 ;
|
---|
| 326 | t0 = mathutil::gettimeofday_sec() ;
|
---|
[2381] | 327 | call_ggridsd( xypos_p,
|
---|
| 328 | data_p,
|
---|
| 329 | &npol_,
|
---|
| 330 | &nchan_,
|
---|
| 331 | flag_p,
|
---|
| 332 | rflag_p,
|
---|
| 333 | wgt_p,
|
---|
| 334 | &nrow,
|
---|
| 335 | &irow,
|
---|
| 336 | gdata_p,
|
---|
| 337 | wdata_p,
|
---|
| 338 | &gnx,
|
---|
| 339 | &gny,
|
---|
| 340 | &npol_,
|
---|
| 341 | &nchan_,
|
---|
| 342 | &convSupport_,
|
---|
| 343 | &convSampling_,
|
---|
| 344 | conv_p,
|
---|
| 345 | chanMap,
|
---|
| 346 | polMap ) ;
|
---|
[2379] | 347 | t1 = mathutil::gettimeofday_sec() ;
|
---|
| 348 | eGGridSD += t1-t0 ;
|
---|
| 349 |
|
---|
[2378] | 350 | }
|
---|
[2379] | 351 | os << "getDataChunk: elapsed time is " << eGetDataChunk << " sec." << LogIO::POST ;
|
---|
| 352 | os << "toPixel: elapsed time is " << eToPixel << " sec." << LogIO::POST ;
|
---|
| 353 | os << "ggridsd: elapsed time is " << eGGridSD << " sec." << LogIO::POST ;
|
---|
[2381] | 354 | os << "toInt: elapsed time is " << eToInt << " sec." << LogIO::POST ;
|
---|
[2379] | 355 |
|
---|
| 356 | // finalization
|
---|
[2380] | 357 | convFunc.putStorage( conv_p, deleteConv ) ;
|
---|
| 358 | gdataArrC.putStorage( gdata_p, deleteDataG ) ;
|
---|
| 359 | gwgtArr.putStorage( wdata_p, deleteWgtG ) ;
|
---|
| 360 | xypos.putStorage( xypos_p, deletePos ) ;
|
---|
| 361 | spectra.freeStorage( data_p, deleteData ) ;
|
---|
| 362 | weight.freeStorage( wgt_p, deleteWgt ) ;
|
---|
| 363 | flagtra.freeStorage( flag_p, deleteFlag ) ;
|
---|
| 364 | rflag.freeStorage( rflag_p, deleteFlagR ) ;
|
---|
[2379] | 365 | delete polMap ;
|
---|
| 366 | delete chanMap ;
|
---|
| 367 |
|
---|
[2378] | 368 | // set data
|
---|
| 369 | setData( gdataArrC, gwgtArr ) ;
|
---|
[2379] | 370 |
|
---|
[2378] | 371 | }
|
---|
| 372 |
|
---|
| 373 | Bool STGrid::pastEnd()
|
---|
| 374 | {
|
---|
[2379] | 375 | LogIO os( LogOrigin("STGrid","pastEnd",WHERE) ) ;
|
---|
| 376 | Bool b = nprocessed_ >= nrow_ ;
|
---|
[2378] | 377 | return b ;
|
---|
| 378 | }
|
---|
| 379 |
|
---|
[2379] | 380 | void STGrid::grid()
|
---|
[2356] | 381 | {
|
---|
[2379] | 382 | // data selection
|
---|
| 383 | selectData() ;
|
---|
| 384 | setupArray() ;
|
---|
| 385 |
|
---|
| 386 | if ( npol_ > 1 ) {
|
---|
| 387 | LogIO os( LogOrigin("STGrid", "grid", WHERE) ) ;
|
---|
| 388 | os << LogIO::WARN << "STGrid doesn't support assigning polarization-dependent weight. Use averaged weight over polarization." << LogIO::POST ;
|
---|
| 389 | }
|
---|
| 390 |
|
---|
| 391 | if ( wtype_.compare("UNIFORM") != 0 &&
|
---|
| 392 | wtype_.compare("TINT") != 0 &&
|
---|
[2382] | 393 | wtype_.compare("TSYS") != 0 &&
|
---|
[2379] | 394 | wtype_.compare("TINTSYS") != 0 ) {
|
---|
| 395 | LogIO os( LogOrigin("STGrid", "grid", WHERE) ) ;
|
---|
| 396 | os << LogIO::WARN << "Unsupported weight type '" << wtype_ << "', apply UNIFORM weight" << LogIO::POST ;
|
---|
| 397 | wtype_ = "UNIFORM" ;
|
---|
| 398 | }
|
---|
| 399 |
|
---|
| 400 | Bool doAll = examine() ;
|
---|
| 401 |
|
---|
| 402 | if ( doAll )
|
---|
[2382] | 403 | gridPerPol() ;
|
---|
| 404 | else {
|
---|
| 405 | sortData() ;
|
---|
[2379] | 406 | gridPerRow() ;
|
---|
[2382] | 407 | }
|
---|
[2379] | 408 | }
|
---|
| 409 |
|
---|
| 410 | Bool STGrid::examine()
|
---|
| 411 | {
|
---|
| 412 | // TODO: nchunk_ must be determined from nchan_, npol_, and (nx_,ny_)
|
---|
| 413 | // by considering data size to be allocated for ggridsd input/output
|
---|
[2382] | 414 | nchunk_ = 10000 ;
|
---|
[2379] | 415 | Bool b = nchunk_ >= nrow_ ;
|
---|
[2381] | 416 | nchunk_ = min( nchunk_, nrow_ ) ;
|
---|
[2379] | 417 | return b ;
|
---|
| 418 | }
|
---|
| 419 |
|
---|
[2382] | 420 | void STGrid::gridPerPol()
|
---|
[2379] | 421 | {
|
---|
[2382] | 422 | LogIO os( LogOrigin("STGrid", "gridPerPol", WHERE) ) ;
|
---|
[2364] | 423 | double t0, t1 ;
|
---|
[2356] | 424 |
|
---|
| 425 | // grid parameter
|
---|
[2362] | 426 | os << LogIO::DEBUGGING ;
|
---|
| 427 | os << "----------" << endl ;
|
---|
| 428 | os << "Grid parameter summary" << endl ;
|
---|
| 429 | os << " (nx,ny) = (" << nx_ << "," << ny_ << ")" << endl ;
|
---|
| 430 | os << " (cellx,celly) = (" << cellx_ << "," << celly_ << ")" << endl ;
|
---|
| 431 | os << " center = " << center_ << endl ;
|
---|
| 432 | os << "----------" << LogIO::POST ;
|
---|
| 433 | os << LogIO::NORMAL ;
|
---|
[2356] | 434 |
|
---|
[2359] | 435 | // convolution kernel
|
---|
| 436 | Vector<Float> convFunc ;
|
---|
[2364] | 437 | t0 = mathutil::gettimeofday_sec() ;
|
---|
[2359] | 438 | setConvFunc( convFunc ) ;
|
---|
[2364] | 439 | t1 = mathutil::gettimeofday_sec() ;
|
---|
| 440 | os << "setConvFunc: elapsed time is " << t1-t0 << " sec." << LogIO::POST ;
|
---|
[2359] | 441 | //cout << "convSupport=" << convSupport_ << endl ;
|
---|
| 442 | //cout << "convFunc=" << convFunc << endl ;
|
---|
| 443 |
|
---|
[2382] | 444 | // prepare grid data storage
|
---|
[2364] | 445 | Int gnx = nx_ ;
|
---|
| 446 | Int gny = ny_ ;
|
---|
[2382] | 447 | // // Extend grid plane with convSupport_
|
---|
[2364] | 448 | // Int gnx = nx_+convSupport_*2 ;
|
---|
| 449 | // Int gny = ny_+convSupport_*2 ;
|
---|
[2361] | 450 | IPosition gshape( 4, gnx, gny, npol_, nchan_ ) ;
|
---|
[2356] | 451 | Array<Complex> gdataArrC( gshape, 0.0 ) ;
|
---|
[2378] | 452 | //Array<Float> gwgtArr( gshape, 0.0 ) ;
|
---|
| 453 | // 2011/12/20 TN
|
---|
| 454 | // data_ and weight array shares storage
|
---|
| 455 | data_.resize( gshape ) ;
|
---|
| 456 | data_ = 0.0 ;
|
---|
| 457 | Array<Float> gwgtArr( data_ ) ;
|
---|
[2382] | 458 |
|
---|
| 459 | // to read data from the table
|
---|
| 460 | IPosition mshape( 2, nchan_, nrow_ ) ;
|
---|
| 461 | Array<Complex> spectra( mshape ) ;
|
---|
| 462 | Array<Double> direction( IPosition(2,2,nrow_) ) ;
|
---|
| 463 | Array<Int> flagtra( mshape ) ;
|
---|
| 464 | Array<Int> rflag( IPosition(1,nrow_) ) ;
|
---|
| 465 | Array<Float> weight( mshape ) ;
|
---|
| 466 |
|
---|
| 467 | // maps
|
---|
[2361] | 468 | Int *chanMap = new Int[nchan_] ;
|
---|
[2356] | 469 | {
|
---|
| 470 | Int *work_p = chanMap ;
|
---|
[2361] | 471 | for ( Int i = 0 ; i < nchan_ ; i++ ) {
|
---|
[2356] | 472 | *work_p = i ;
|
---|
| 473 | work_p++ ;
|
---|
| 474 | }
|
---|
| 475 | }
|
---|
[2382] | 476 | Int *polMap = new Int[1] ;
|
---|
| 477 | Int nvispol = 1 ;
|
---|
| 478 |
|
---|
| 479 | for ( Int ipol = 0 ; ipol < npol_ ; ipol++ ) {
|
---|
| 480 | t0 = mathutil::gettimeofday_sec() ;
|
---|
| 481 | initPol( ipol ) ;
|
---|
| 482 | t1 = mathutil::gettimeofday_sec() ;
|
---|
| 483 | os << "initPol: elapsed time is " << t1-t0 << " sec." << LogIO::POST ;
|
---|
| 484 |
|
---|
| 485 | // retrieve data
|
---|
| 486 | t0 = mathutil::gettimeofday_sec() ;
|
---|
| 487 | getDataPerPol( spectra, direction, flagtra, rflag, weight ) ;
|
---|
| 488 | t1 = mathutil::gettimeofday_sec() ;
|
---|
| 489 | os << "getData: elapsed time is " << t1-t0 << " sec." << LogIO::POST ;
|
---|
| 490 | IPosition sshape = spectra.shape() ;
|
---|
| 491 |
|
---|
| 492 | // world -> pixel
|
---|
| 493 | Array<Double> xypos( direction.shape(), 0.0 ) ;
|
---|
| 494 | t0 = mathutil::gettimeofday_sec() ;
|
---|
| 495 | toPixel( direction, xypos ) ;
|
---|
| 496 | t1 = mathutil::gettimeofday_sec() ;
|
---|
| 497 | //os << "xypos=" << xypos << LogIO::POST ;
|
---|
| 498 | os << "toPixel: elapsed time is " << t1-t0 << " sec." << LogIO::POST ;
|
---|
| 499 |
|
---|
| 500 | // call ggridsd
|
---|
| 501 | Bool deletePos, deleteData, deleteWgt, deleteFlag, deleteFlagR, deleteConv, deleteDataG, deleteWgtG ;
|
---|
| 502 | Double *xypos_p = xypos.getStorage( deletePos ) ;
|
---|
| 503 | const Complex *data_p = spectra.getStorage( deleteData ) ;
|
---|
| 504 | const Float *wgt_p = weight.getStorage( deleteWgt ) ;
|
---|
| 505 | const Int *flag_p = flagtra.getStorage( deleteFlag ) ;
|
---|
| 506 | const Int *rflag_p = rflag.getStorage( deleteFlagR ) ;
|
---|
| 507 | Float *conv_p = convFunc.getStorage( deleteConv ) ;
|
---|
| 508 | Complex *gdata_p = gdataArrC.getStorage( deleteDataG ) ;
|
---|
| 509 | Float *wdata_p = gwgtArr.getStorage( deleteWgtG ) ;
|
---|
| 510 | polMap[0] = ipol ;
|
---|
| 511 | t0 = mathutil::gettimeofday_sec() ;
|
---|
| 512 | Int irow = -1 ;
|
---|
| 513 | call_ggridsd( xypos_p,
|
---|
| 514 | data_p,
|
---|
| 515 | &nvispol,
|
---|
| 516 | &nchan_,
|
---|
| 517 | flag_p,
|
---|
| 518 | rflag_p,
|
---|
| 519 | wgt_p,
|
---|
| 520 | &nrow_,
|
---|
| 521 | &irow,
|
---|
| 522 | gdata_p,
|
---|
| 523 | wdata_p,
|
---|
| 524 | &gnx,
|
---|
| 525 | &gny,
|
---|
| 526 | &npol_,
|
---|
| 527 | &nchan_,
|
---|
| 528 | &convSupport_,
|
---|
| 529 | &convSampling_,
|
---|
| 530 | conv_p,
|
---|
| 531 | chanMap,
|
---|
| 532 | polMap ) ;
|
---|
| 533 | t1 = mathutil::gettimeofday_sec() ;
|
---|
| 534 | os << "ggridsd: elapsed time is " << t1-t0 << " sec." << LogIO::POST ;
|
---|
| 535 | xypos.putStorage( xypos_p, deletePos ) ;
|
---|
| 536 | spectra.freeStorage( data_p, deleteData ) ;
|
---|
| 537 | weight.freeStorage( wgt_p, deleteWgt ) ;
|
---|
| 538 | flagtra.freeStorage( flag_p, deleteFlag ) ;
|
---|
| 539 | rflag.freeStorage( rflag_p, deleteFlagR ) ;
|
---|
| 540 | convFunc.putStorage( conv_p, deleteConv ) ;
|
---|
| 541 | gdataArrC.putStorage( gdata_p, deleteDataG ) ;
|
---|
| 542 | gwgtArr.putStorage( wdata_p, deleteWgtG ) ;
|
---|
[2356] | 543 | }
|
---|
[2382] | 544 |
|
---|
| 545 | // delete maps
|
---|
[2356] | 546 | delete polMap ;
|
---|
| 547 | delete chanMap ;
|
---|
[2382] | 548 |
|
---|
[2378] | 549 | setData( gdataArrC, gwgtArr ) ;
|
---|
[2364] | 550 | // os << "gdataArr = " << gdataArr << LogIO::POST ;
|
---|
| 551 | // os << "gwgtArr = " << gwgtArr << LogIO::POST ;
|
---|
| 552 | // os << "data_ " << data_ << LogIO::POST ;
|
---|
[2356] | 553 | }
|
---|
| 554 |
|
---|
[2382] | 555 | void STGrid::initPol( Int ipol )
|
---|
| 556 | {
|
---|
| 557 | ptab_ = tab_( tab_.col("POLNO") == (uInt)ipol ) ;
|
---|
| 558 |
|
---|
| 559 | attach( ptab_ ) ;
|
---|
| 560 | }
|
---|
| 561 |
|
---|
[2378] | 562 | void STGrid::setData( Array<Complex> &gdata,
|
---|
[2368] | 563 | Array<Float> &gwgt )
|
---|
| 564 | {
|
---|
[2378] | 565 | // 2011/12/20 TN
|
---|
| 566 | // gwgt and data_ share storage
|
---|
[2368] | 567 | LogIO os( LogOrigin("STGrid","setData",WHERE) ) ;
|
---|
| 568 | double t0, t1 ;
|
---|
| 569 | t0 = mathutil::gettimeofday_sec() ;
|
---|
[2378] | 570 | uInt len = data_.nelements() ;
|
---|
[2374] | 571 | const Complex *w1_p ;
|
---|
[2378] | 572 | Float *w2_p ;
|
---|
[2379] | 573 | Bool b1, b2 ;
|
---|
[2374] | 574 | const Complex *gdata_p = gdata.getStorage( b1 ) ;
|
---|
[2378] | 575 | Float *gwgt_p = data_.getStorage( b2 ) ;
|
---|
[2368] | 576 | w1_p = gdata_p ;
|
---|
| 577 | w2_p = gwgt_p ;
|
---|
| 578 | for ( uInt i = 0 ; i < len ; i++ ) {
|
---|
[2378] | 579 | if ( *w2_p > 0.0 ) *w2_p = (*w1_p).real() / *w2_p ;
|
---|
[2368] | 580 | w1_p++ ;
|
---|
| 581 | w2_p++ ;
|
---|
| 582 | }
|
---|
| 583 | gdata.freeStorage( gdata_p, b1 ) ;
|
---|
[2378] | 584 | data_.putStorage( gwgt_p, b2 ) ;
|
---|
[2368] | 585 | t1 = mathutil::gettimeofday_sec() ;
|
---|
| 586 | os << "setData: elapsed time is " << t1-t0 << " sec." << LogIO::POST ;
|
---|
| 587 | }
|
---|
| 588 |
|
---|
[2356] | 589 | void STGrid::setupGrid( Int &nx,
|
---|
| 590 | Int &ny,
|
---|
| 591 | String &cellx,
|
---|
| 592 | String &celly,
|
---|
| 593 | Double &xmin,
|
---|
| 594 | Double &xmax,
|
---|
| 595 | Double &ymin,
|
---|
| 596 | Double &ymax,
|
---|
| 597 | String ¢er )
|
---|
| 598 | {
|
---|
[2375] | 599 | LogIO os( LogOrigin("STGrid","setupGrid",WHERE) ) ;
|
---|
[2356] | 600 | //cout << "nx=" << nx << ", ny=" << ny << endl ;
|
---|
[2359] | 601 |
|
---|
| 602 | // center position
|
---|
| 603 | if ( center.size() == 0 ) {
|
---|
| 604 | center_(0) = 0.5 * ( xmin + xmax ) ;
|
---|
| 605 | center_(1) = 0.5 * ( ymin + ymax ) ;
|
---|
| 606 | }
|
---|
| 607 | else {
|
---|
| 608 | String::size_type pos0 = center.find( " " ) ;
|
---|
| 609 | if ( pos0 == String::npos ) {
|
---|
| 610 | throw AipsError( "bad string format in parameter center" ) ;
|
---|
| 611 | }
|
---|
| 612 | String::size_type pos1 = center.find( " ", pos0+1 ) ;
|
---|
| 613 | String typestr, xstr, ystr ;
|
---|
| 614 | if ( pos1 != String::npos ) {
|
---|
| 615 | typestr = center.substr( 0, pos0 ) ;
|
---|
| 616 | xstr = center.substr( pos0+1, pos1-pos0 ) ;
|
---|
| 617 | ystr = center.substr( pos1+1 ) ;
|
---|
| 618 | // todo: convert to J2000 (or direction ref for DIRECTION column)
|
---|
| 619 | }
|
---|
| 620 | else {
|
---|
| 621 | typestr = "J2000" ;
|
---|
| 622 | xstr = center.substr( 0, pos0 ) ;
|
---|
| 623 | ystr = center.substr( pos0+1 ) ;
|
---|
| 624 | }
|
---|
| 625 | QuantumHolder qh ;
|
---|
| 626 | String err ;
|
---|
| 627 | qh.fromString( err, xstr ) ;
|
---|
| 628 | Quantum<Double> xcen = qh.asQuantumDouble() ;
|
---|
| 629 | qh.fromString( err, ystr ) ;
|
---|
| 630 | Quantum<Double> ycen = qh.asQuantumDouble() ;
|
---|
| 631 | center_(0) = xcen.getValue( "rad" ) ;
|
---|
| 632 | center_(1) = ycen.getValue( "rad" ) ;
|
---|
| 633 | }
|
---|
| 634 |
|
---|
| 635 |
|
---|
[2356] | 636 | nx_ = nx ;
|
---|
| 637 | ny_ = ny ;
|
---|
| 638 | if ( nx < 0 && ny > 0 ) {
|
---|
| 639 | nx_ = ny ;
|
---|
| 640 | ny_ = ny ;
|
---|
| 641 | }
|
---|
| 642 | if ( ny < 0 && nx > 0 ) {
|
---|
| 643 | nx_ = nx ;
|
---|
| 644 | ny_ = nx ;
|
---|
| 645 | }
|
---|
[2375] | 646 |
|
---|
| 647 | //Double wx = xmax - xmin ;
|
---|
| 648 | //Double wy = ymax - ymin ;
|
---|
| 649 | Double wx = max( abs(xmax-center_(0)), abs(xmin-center_(0)) ) * 2 ;
|
---|
| 650 | Double wy = max( abs(ymax-center_(1)), abs(ymin-center_(1)) ) * 2 ;
|
---|
| 651 | // take 10% margin
|
---|
| 652 | wx *= 1.10 ;
|
---|
| 653 | wy *= 1.10 ;
|
---|
| 654 |
|
---|
| 655 | Quantum<Double> qcellx ;
|
---|
| 656 | Quantum<Double> qcelly ;
|
---|
[2356] | 657 | //cout << "nx_ = " << nx_ << ", ny_ = " << ny_ << endl ;
|
---|
| 658 | if ( cellx.size() != 0 && celly.size() != 0 ) {
|
---|
| 659 | readQuantity( qcellx, cellx ) ;
|
---|
| 660 | readQuantity( qcelly, celly ) ;
|
---|
| 661 | }
|
---|
| 662 | else if ( celly.size() != 0 ) {
|
---|
[2375] | 663 | os << "Using celly to x-axis..." << LogIO::POST ;
|
---|
[2356] | 664 | readQuantity( qcelly, celly ) ;
|
---|
| 665 | qcellx = qcelly ;
|
---|
| 666 | }
|
---|
| 667 | else if ( cellx.size() != 0 ) {
|
---|
[2375] | 668 | os << "Using cellx to y-axis..." << LogIO::POST ;
|
---|
[2356] | 669 | readQuantity( qcellx, cellx ) ;
|
---|
| 670 | qcelly = qcellx ;
|
---|
| 671 | }
|
---|
| 672 | else {
|
---|
| 673 | if ( nx_ < 0 ) {
|
---|
[2375] | 674 | os << "No user preference in grid setting. Using default..." << LogIO::POST ;
|
---|
[2356] | 675 | readQuantity( qcellx, "1.0arcmin" ) ;
|
---|
| 676 | qcelly = qcellx ;
|
---|
| 677 | }
|
---|
| 678 | else {
|
---|
[2375] | 679 | if ( wx == 0.0 ) {
|
---|
| 680 | os << "Using default spatial extent (10arcmin) in x" << LogIO::POST ;
|
---|
| 681 | wx = 0.00290888 ;
|
---|
| 682 | }
|
---|
| 683 | if ( wy == 0.0 ) {
|
---|
| 684 | os << "Using default spatial extent (10arcmin) in y" << LogIO::POST ;
|
---|
| 685 | wy = 0.00290888 ;
|
---|
| 686 | }
|
---|
[2356] | 687 | qcellx = Quantum<Double>( wx/nx_, "rad" ) ;
|
---|
| 688 | qcelly = Quantum<Double>( wy/ny_, "rad" ) ;
|
---|
| 689 | }
|
---|
| 690 | }
|
---|
| 691 | cellx_ = qcellx.getValue( "rad" ) ;
|
---|
| 692 | celly_ = qcelly.getValue( "rad" ) ;
|
---|
| 693 | if ( nx_ < 0 ) {
|
---|
[2375] | 694 | if ( wx == 0.0 ) {
|
---|
| 695 | os << "Using default spatial extent (10arcmin) in x" << LogIO::POST ;
|
---|
| 696 | wx = 0.00290888 ;
|
---|
| 697 | }
|
---|
| 698 | if ( wy == 0.0 ) {
|
---|
| 699 | os << "Using default spatial extent (10arcmin) in y" << LogIO::POST ;
|
---|
| 700 | wy = 0.00290888 ;
|
---|
| 701 | }
|
---|
[2356] | 702 | nx_ = Int( ceil( wx/cellx_ ) ) ;
|
---|
| 703 | ny_ = Int( ceil( wy/celly_ ) ) ;
|
---|
| 704 | }
|
---|
| 705 | }
|
---|
| 706 |
|
---|
[2379] | 707 | void STGrid::selectData()
|
---|
[2362] | 708 | {
|
---|
| 709 | Int ifno = ifno_ ;
|
---|
| 710 | Table taborg( infile_ ) ;
|
---|
| 711 | if ( ifno == -1 ) {
|
---|
[2368] | 712 | LogIO os( LogOrigin("STGrid","selectData",WHERE) ) ;
|
---|
[2362] | 713 | // os << LogIO::SEVERE
|
---|
| 714 | // << "Please set IFNO before actual gridding"
|
---|
| 715 | // << LogIO::EXCEPTION ;
|
---|
| 716 | ROScalarColumn<uInt> ifnoCol( taborg, "IFNO" ) ;
|
---|
| 717 | ifno = ifnoCol( 0 ) ;
|
---|
| 718 | os << LogIO::WARN
|
---|
| 719 | << "IFNO is not given. Using default IFNO: " << ifno << LogIO::POST ;
|
---|
| 720 | }
|
---|
[2364] | 721 | // tab = taborg( taborg.col("IFNO") == ifno ) ;
|
---|
| 722 | TableExprNode node ;
|
---|
| 723 | node = taborg.col("IFNO") == ifno ;
|
---|
| 724 | if ( scanlist_.size() > 0 ) {
|
---|
| 725 | node = node && taborg.col("SCANNO").in( scanlist_ ) ;
|
---|
| 726 | }
|
---|
[2379] | 727 | tab_ = taborg( node ) ;
|
---|
| 728 | if ( tab_.nrow() == 0 ) {
|
---|
[2368] | 729 | LogIO os( LogOrigin("STGrid","selectData",WHERE) ) ;
|
---|
[2362] | 730 | os << LogIO::SEVERE
|
---|
[2376] | 731 | << "No corresponding rows for given selection: IFNO " << ifno ;
|
---|
| 732 | if ( scanlist_.size() > 0 )
|
---|
| 733 | os << " SCANNO " << scanlist_ ;
|
---|
| 734 | os << LogIO::EXCEPTION ;
|
---|
[2362] | 735 | }
|
---|
[2382] | 736 | attach( tab_ ) ;
|
---|
[2362] | 737 | }
|
---|
| 738 |
|
---|
[2382] | 739 | void STGrid::attach( Table &tab )
|
---|
[2379] | 740 | {
|
---|
| 741 | // attach to table
|
---|
[2382] | 742 | spectraCol_.attach( tab, "SPECTRA" ) ;
|
---|
| 743 | flagtraCol_.attach( tab, "FLAGTRA" ) ;
|
---|
| 744 | directionCol_.attach( tab, "DIRECTION" ) ;
|
---|
| 745 | flagRowCol_.attach( tab, "FLAGROW" ) ;
|
---|
| 746 | tsysCol_.attach( tab, "TSYS" ) ;
|
---|
| 747 | intervalCol_.attach( tab, "INTERVAL" ) ;
|
---|
[2381] | 748 | // Vector<String> colnames( 6 ) ;
|
---|
| 749 | // colnames[0] = "SPECTRA" ;
|
---|
| 750 | // colnames[1] = "FLAGTRA" ;
|
---|
| 751 | // colnames[2] = "DIRECTION" ;
|
---|
| 752 | // colnames[3] = "FLAGROW" ;
|
---|
| 753 | // colnames[4] = "TSYS" ;
|
---|
| 754 | // colnames[5] = "INTERVAL" ;
|
---|
| 755 | // row_ = ROTableRow( tab_, colnames ) ;
|
---|
| 756 | // const TableRecord &rec = row_.record() ;
|
---|
| 757 | // spectraRF_.attachToRecord( rec, colnames[0] ) ;
|
---|
| 758 | // flagtraRF_.attachToRecord( rec, colnames[1] ) ;
|
---|
| 759 | // directionRF_.attachToRecord( rec, colnames[2] ) ;
|
---|
| 760 | // flagRowRF_.attachToRecord( rec, colnames[3] ) ;
|
---|
| 761 | // tsysRF_.attachToRecord( rec, colnames[4] ) ;
|
---|
| 762 | // intervalRF_.attachToRecord( rec, colnames[5] ) ;
|
---|
[2379] | 763 | }
|
---|
| 764 |
|
---|
[2382] | 765 | void STGrid::getDataPerPol( Array<Float> &spectra,
|
---|
| 766 | Array<Double> &direction,
|
---|
| 767 | Array<uChar> &flagtra,
|
---|
| 768 | Array<uInt> &rflag,
|
---|
| 769 | Array<Float> &weight )
|
---|
[2356] | 770 | {
|
---|
[2382] | 771 | LogIO os( LogOrigin("STGrid","getDataPerPol",WHERE) ) ;
|
---|
| 772 | Vector<uInt> rflagVec( rflag ) ;
|
---|
| 773 | // 2011/12/22 TN
|
---|
| 774 | // weight and tsys shares its storage
|
---|
| 775 | Array<Float> tsys( weight ) ;
|
---|
| 776 | Array<Double> tint( rflag.shape() ) ;
|
---|
| 777 | Vector<Double> tintVec( tint ) ;
|
---|
[2375] | 778 |
|
---|
[2382] | 779 | spectraCol_.getColumn( spectra ) ;
|
---|
| 780 | flagtraCol_.getColumn( flagtra ) ;
|
---|
| 781 | flagRowCol_.getColumn( rflagVec ) ;
|
---|
| 782 | directionCol_.getColumn( direction ) ;
|
---|
| 783 | intervalCol_.getColumn( tintVec ) ;
|
---|
| 784 | Vector<Float> tsysTemp = tsysCol_( 0 ) ;
|
---|
| 785 | if ( tsysTemp.nelements() == (uInt)nchan_ ) {
|
---|
| 786 | tsysCol_.getColumn( tsys ) ;
|
---|
[2360] | 787 | }
|
---|
[2382] | 788 | else {
|
---|
| 789 | tsys = tsysTemp[0] ;
|
---|
| 790 | }
|
---|
[2361] | 791 |
|
---|
[2382] | 792 | getWeightPerPol( weight, tsys, tint ) ;
|
---|
[2356] | 793 | }
|
---|
| 794 |
|
---|
[2382] | 795 | void STGrid::getDataPerPol( Array<Complex> &spectra,
|
---|
| 796 | Array<Double> &direction,
|
---|
| 797 | Array<Int> &flagtra,
|
---|
| 798 | Array<Int> &rflag,
|
---|
| 799 | Array<Float> &weight )
|
---|
[2371] | 800 | {
|
---|
[2382] | 801 | LogIO os( LogOrigin("STGrid","getDataPerPol",WHERE) ) ;
|
---|
[2375] | 802 | double t0, t1 ;
|
---|
| 803 |
|
---|
[2382] | 804 | Array<uChar> flagUC( flagtra.shape() ) ;
|
---|
| 805 | Array<uInt> rflagUI( rflag.shape() ) ;
|
---|
| 806 | Array<Float> spectraF( spectra.shape() ) ;
|
---|
| 807 | getDataPerPol( spectraF, direction, flagUC, rflagUI, weight ) ;
|
---|
[2375] | 808 |
|
---|
[2382] | 809 | convertArray( spectra, spectraF ) ;
|
---|
[2375] | 810 | t0 = mathutil::gettimeofday_sec() ;
|
---|
| 811 | toInt( flagUC, flagtra ) ;
|
---|
| 812 | toInt( rflagUI, rflag ) ;
|
---|
| 813 | t1 = mathutil::gettimeofday_sec() ;
|
---|
| 814 | os << "toInt: elapsed time is " << t1-t0 << " sec." << LogIO::POST ;
|
---|
| 815 | }
|
---|
| 816 |
|
---|
[2379] | 817 | Int STGrid::getDataChunk( Array<Complex> &spectra,
|
---|
| 818 | Array<Double> &direction,
|
---|
| 819 | Array<Int> &flagtra,
|
---|
| 820 | Array<Int> &rflag,
|
---|
| 821 | Array<Float> &weight )
|
---|
[2378] | 822 | {
|
---|
[2381] | 823 | Int nrow = getDataChunk( spectraF_, direction, flagtraUC_, rflagUI_, weight ) ;
|
---|
| 824 | double t0, t1 ;
|
---|
| 825 | t0 = mathutil::gettimeofday_sec() ;
|
---|
| 826 | convertArray( spectra, spectraF_ ) ;
|
---|
[2382] | 827 | toInt( flagtraUC_, flagtra ) ;
|
---|
| 828 | toInt( rflagUI_, rflag ) ;
|
---|
[2381] | 829 | t1 = mathutil::gettimeofday_sec() ;
|
---|
| 830 | subtime_ = t1 - t0 ;
|
---|
| 831 |
|
---|
[2379] | 832 | return nrow ;
|
---|
[2378] | 833 | }
|
---|
| 834 |
|
---|
[2379] | 835 | Int STGrid::getDataChunk( Array<Float> &spectra,
|
---|
| 836 | Array<Double> &direction,
|
---|
| 837 | Array<uChar> &flagtra,
|
---|
| 838 | Array<uInt> &rflag,
|
---|
| 839 | Array<Float> &weight )
|
---|
[2375] | 840 | {
|
---|
[2379] | 841 | LogIO os( LogOrigin("STGrid","getDataChunk",WHERE) ) ;
|
---|
| 842 | Int nrow = min( spectra.shape()[2], nrow_-nprocessed_ ) ;
|
---|
| 843 | Array<Float> tsys( spectra.shape() ) ;
|
---|
[2380] | 844 | Array<Double> tint( IPosition(2,spectra.shape()[0],spectra.shape()[2]) ) ;
|
---|
[2379] | 845 | IPosition m( 2, 0, 2 ) ;
|
---|
| 846 | IPosition v( 1, 0 ) ;
|
---|
| 847 | ArrayIterator<Float> spi( spectra, m, False ) ;
|
---|
| 848 | ArrayIterator<uChar> fli( flagtra, m, False ) ;
|
---|
| 849 | ArrayIterator<Float> tsi( tsys, m, False ) ;
|
---|
[2380] | 850 | ArrayIterator<Double> di( direction, v ) ;
|
---|
[2379] | 851 | Bool bfr, bti ;
|
---|
| 852 | uInt *fr_p = rflag.getStorage( bfr ) ;
|
---|
| 853 | Double *ti_p = tint.getStorage( bti ) ;
|
---|
| 854 | uInt *wfr_p = fr_p ;
|
---|
| 855 | Double *wti_p = ti_p ;
|
---|
| 856 | Int offset = nprocessed_ * npol_ ;
|
---|
[2381] | 857 | Int start = offset ;
|
---|
| 858 | Int end = start + nrow * npol_ ;
|
---|
[2379] | 859 | for ( Int irow = 0 ; irow < npol_ * nrow ; irow++ ) {
|
---|
| 860 | Array<Float> spSlice = spi.array() ;
|
---|
| 861 | Array<uChar> flSlice = fli.array() ;
|
---|
| 862 | Array<Float> tsSlice = tsi.array() ;
|
---|
| 863 |
|
---|
| 864 | uInt idx = rows_[offset+irow] ;
|
---|
| 865 | spectraCol_.get( idx, spSlice ) ;
|
---|
| 866 |
|
---|
| 867 | flagtraCol_.get( idx, flSlice ) ;
|
---|
| 868 | Vector<Float> tmpF = tsysCol_( idx ) ;
|
---|
| 869 | if ( tmpF.nelements() == (uInt)nchan_ ) {
|
---|
| 870 | tsSlice = tmpF ;
|
---|
| 871 | }
|
---|
| 872 | else {
|
---|
| 873 | tsSlice = tmpF[0] ;
|
---|
| 874 | }
|
---|
| 875 | *wti_p = intervalCol_( idx ) ;
|
---|
| 876 |
|
---|
| 877 | spi.next() ;
|
---|
| 878 | fli.next() ;
|
---|
| 879 | tsi.next() ;
|
---|
| 880 | wti_p++ ;
|
---|
| 881 | }
|
---|
| 882 | tint.putStorage( ti_p, bti ) ;
|
---|
| 883 | for ( Int irow = 0 ; irow < nrow ; irow += npol_ ) {
|
---|
| 884 | uInt idx = rows_[offset+irow] ;
|
---|
| 885 | directionCol_.get( idx, di.array() ) ;
|
---|
| 886 | di.next() ;
|
---|
[2380] | 887 |
|
---|
| 888 | *wfr_p = flagRowCol_( idx ) ;
|
---|
| 889 | for ( Int ipol = 1 ; ipol < npol_ ; ipol++ ) {
|
---|
| 890 | *wfr_p = max( *wfr_p, flagRowCol_( rows_[offset+irow+ipol] ) ) ;
|
---|
| 891 | }
|
---|
| 892 | wfr_p++ ;
|
---|
[2379] | 893 | }
|
---|
[2380] | 894 | rflag.putStorage( fr_p, bfr ) ;
|
---|
[2381] | 895 | // Bool bti, bfr ;
|
---|
| 896 | // Double *ti_p = tint.getStorage( bti ) ;
|
---|
| 897 | // Double *wti_p = ti_p ;
|
---|
| 898 | // uInt *fr_p = rflag.getStorage( bfr ) ;
|
---|
| 899 | // uInt *wfr_p = fr_p - 1 ;
|
---|
| 900 | // Int start = nprocessed_ * npol_ ;
|
---|
| 901 | // Int end = start + nrow * npol_ ;
|
---|
| 902 | // for ( Int irow = start ; irow < end ; irow++ ) {
|
---|
| 903 | // uInt idx = rows_[irow] ;
|
---|
| 904 | // row_.get( idx ) ;
|
---|
| 905 | // // SPECTRA
|
---|
| 906 | // // os << "spi.array().shape()=" << spi.array().shape() << LogIO::POST ;
|
---|
| 907 | // // os << "(*spectraRF_).shape()=" << (*spectraRF_).shape() << LogIO::POST ;
|
---|
| 908 | // spi.array() = *spectraRF_ ;
|
---|
| 909 |
|
---|
| 910 | // // FLAGTRA
|
---|
| 911 | // fli.array() = *flagtraRF_ ;
|
---|
[2379] | 912 |
|
---|
[2381] | 913 | // // INTERVAL
|
---|
| 914 | // *wti_p = *intervalRF_ ;
|
---|
| 915 |
|
---|
| 916 | // // TSYS
|
---|
| 917 | // // os << "tsi.array().shape()=" << tsi.array().shape() << LogIO::POST ;
|
---|
| 918 | // // os << "(*tsysRF_).shape()=" << (*tsysRF_).shape() << LogIO::POST ;
|
---|
| 919 | // // os << "(*tsysRF_).nelements()=" << (*tsysRF_).nelements() << LogIO::POST ;
|
---|
| 920 | // if ( (*tsysRF_).nelements() == (uInt)nchan_ )
|
---|
| 921 | // tsi.array() = *tsysRF_ ;
|
---|
| 922 | // else
|
---|
| 923 | // tsi.array() = *((*tsysRF_).data()) ;
|
---|
| 924 |
|
---|
| 925 | // // DIRECTION and FLAGROW
|
---|
| 926 | // Int mod = irow % npol_ ;
|
---|
| 927 | // if ( mod == 0 ) {
|
---|
| 928 | // // os << "di.array().shape()=" << di.array().shape() << LogIO::POST ;
|
---|
| 929 | // // os << "(*directionRF_).shape()=" << (*directionRF_).shape() << LogIO::POST ;
|
---|
| 930 | // di.array() = *directionRF_ ;
|
---|
| 931 | // wfr_p++ ;
|
---|
| 932 | // *wfr_p = *flagRowRF_ ;
|
---|
| 933 | // }
|
---|
| 934 | // else {
|
---|
| 935 | // *wfr_p += *flagRowRF_ ;
|
---|
| 936 | // }
|
---|
| 937 |
|
---|
| 938 | // // increment
|
---|
| 939 | // spi.next() ;
|
---|
| 940 | // fli.next() ;
|
---|
| 941 | // tsi.next() ;
|
---|
| 942 | // di.next() ;
|
---|
| 943 | // *wti_p++ ;
|
---|
| 944 | // }
|
---|
| 945 | // tint.putStorage( ti_p, bti ) ;
|
---|
| 946 | // rflag.putStorage( fr_p, bfr ) ;
|
---|
| 947 |
|
---|
[2379] | 948 | getWeight( weight, tsys, tint ) ;
|
---|
| 949 |
|
---|
| 950 | nprocessed_ += nrow ;
|
---|
| 951 |
|
---|
| 952 | return nrow ;
|
---|
| 953 | }
|
---|
| 954 |
|
---|
| 955 | void STGrid::setupArray()
|
---|
| 956 | {
|
---|
[2376] | 957 | LogIO os( LogOrigin("STGrid","setupArray",WHERE) ) ;
|
---|
[2379] | 958 | ROScalarColumn<uInt> polnoCol( tab_, "POLNO" ) ;
|
---|
[2371] | 959 | Vector<uInt> pols = polnoCol.getColumn() ;
|
---|
[2376] | 960 | //os << pols << LogIO::POST ;
|
---|
[2371] | 961 | Vector<uInt> pollistOrg ;
|
---|
| 962 | uInt npolOrg = 0 ;
|
---|
| 963 | uInt polno ;
|
---|
| 964 | for ( uInt i = 0 ; i < polnoCol.nrow() ; i++ ) {
|
---|
| 965 | //polno = polnoCol( i ) ;
|
---|
| 966 | polno = pols( i ) ;
|
---|
| 967 | if ( allNE( pollistOrg, polno ) ) {
|
---|
| 968 | pollistOrg.resize( npolOrg+1, True ) ;
|
---|
| 969 | pollistOrg[npolOrg] = polno ;
|
---|
| 970 | npolOrg++ ;
|
---|
| 971 | }
|
---|
| 972 | }
|
---|
| 973 | if ( pollist_.size() == 0 )
|
---|
| 974 | pollist_ = pollistOrg ;
|
---|
| 975 | else {
|
---|
| 976 | Vector<uInt> newlist ;
|
---|
| 977 | uInt newsize = 0 ;
|
---|
| 978 | for ( uInt i = 0 ; i < pollist_.size() ; i++ ) {
|
---|
| 979 | if ( anyEQ( pollistOrg, pollist_[i] ) ) {
|
---|
| 980 | newlist.resize( newsize+1, True ) ;
|
---|
| 981 | newlist[newsize] = pollist_[i] ;
|
---|
| 982 | newsize++ ;
|
---|
| 983 | }
|
---|
| 984 | }
|
---|
| 985 | pollist_.assign( newlist ) ;
|
---|
| 986 | }
|
---|
| 987 | npol_ = pollist_.size() ;
|
---|
| 988 | if ( npol_ == 0 ) {
|
---|
| 989 | os << LogIO::SEVERE << "Empty pollist" << LogIO::EXCEPTION ;
|
---|
| 990 | }
|
---|
[2379] | 991 | nrow_ = tab_.nrow() / npolOrg ;
|
---|
| 992 | ROArrayColumn<uChar> tmpCol( tab_, "FLAGTRA" ) ;
|
---|
[2371] | 993 | nchan_ = tmpCol( 0 ).nelements() ;
|
---|
| 994 | // os << "npol_ = " << npol_ << "(" << pollist_ << ")" << endl
|
---|
| 995 | // << "nchan_ = " << nchan_ << endl
|
---|
| 996 | // << "nrow_ = " << nrow_ << LogIO::POST ;
|
---|
| 997 | }
|
---|
| 998 |
|
---|
[2375] | 999 | void STGrid::getWeight( Array<Float> &w,
|
---|
| 1000 | Array<Float> &tsys,
|
---|
| 1001 | Array<Double> &tint )
|
---|
[2361] | 1002 | {
|
---|
[2368] | 1003 | LogIO os( LogOrigin("STGrid","getWeight",WHERE) ) ;
|
---|
[2379] | 1004 | // double t0, t1 ;
|
---|
| 1005 | // t0 = mathutil::gettimeofday_sec() ;
|
---|
[2361] | 1006 | // resize
|
---|
[2375] | 1007 | IPosition refShape = tsys.shape() ;
|
---|
| 1008 | Int nchan = refShape[1] ;
|
---|
| 1009 | Int nrow = refShape[2] ;
|
---|
[2361] | 1010 |
|
---|
| 1011 | // set weight
|
---|
| 1012 | if ( wtype_.compare( "UNIFORM" ) == 0 ) {
|
---|
[2368] | 1013 | w = 1.0 ;
|
---|
[2361] | 1014 | }
|
---|
| 1015 | else if ( wtype_.compare( "TINT" ) == 0 ) {
|
---|
[2369] | 1016 | Bool b0, b1 ;
|
---|
| 1017 | Float *w_p = w.getStorage( b0 ) ;
|
---|
| 1018 | Float *w0_p = w_p ;
|
---|
| 1019 | const Double *ti_p = tint.getStorage( b1 ) ;
|
---|
| 1020 | const Double *w1_p = ti_p ;
|
---|
[2375] | 1021 | for ( Int irow = 0 ; irow < nrow ; irow++ ) {
|
---|
[2369] | 1022 | Float val = (Float)(polMean( w1_p )) ;
|
---|
[2375] | 1023 | for ( Int ichan = 0 ; ichan < nchan ; ichan++ ) {
|
---|
[2369] | 1024 | *w0_p = val ;
|
---|
| 1025 | w0_p++ ;
|
---|
| 1026 | }
|
---|
[2361] | 1027 | }
|
---|
[2369] | 1028 | w.putStorage( w_p, b0 ) ;
|
---|
| 1029 | tint.freeStorage( ti_p, b1 ) ;
|
---|
[2361] | 1030 | }
|
---|
| 1031 | else if ( wtype_.compare( "TSYS" ) == 0 ) {
|
---|
[2369] | 1032 | Bool b0, b1 ;
|
---|
| 1033 | Float *w_p = w.getStorage( b0 ) ;
|
---|
| 1034 | Float *w0_p = w_p ;
|
---|
| 1035 | const Float *ts_p = tsys.getStorage( b1 ) ;
|
---|
| 1036 | const Float *w1_p = ts_p ;
|
---|
[2375] | 1037 | for ( Int irow = 0 ; irow < nrow ; irow++ ) {
|
---|
| 1038 | for ( Int ichan = 0 ; ichan < nchan ; ichan++ ) {
|
---|
[2369] | 1039 | Float val = polMean( w1_p ) ;
|
---|
| 1040 | *w0_p = 1.0 / ( val * val ) ;
|
---|
| 1041 | w0_p++ ;
|
---|
[2361] | 1042 | }
|
---|
| 1043 | }
|
---|
[2369] | 1044 | w.putStorage( w_p, b0 ) ;
|
---|
| 1045 | tsys.freeStorage( ts_p, b1 ) ;
|
---|
[2361] | 1046 | }
|
---|
| 1047 | else if ( wtype_.compare( "TINTSYS" ) == 0 ) {
|
---|
[2369] | 1048 | Bool b0, b1, b2 ;
|
---|
| 1049 | Float *w_p = w.getStorage( b0 ) ;
|
---|
| 1050 | Float *w0_p = w_p ;
|
---|
| 1051 | const Double *ti_p = tint.getStorage( b1 ) ;
|
---|
| 1052 | const Double *w1_p = ti_p ;
|
---|
| 1053 | const Float *ts_p = tsys.getStorage( b2 ) ;
|
---|
| 1054 | const Float *w2_p = ts_p ;
|
---|
[2375] | 1055 | for ( Int irow = 0 ; irow < nrow ; irow++ ) {
|
---|
[2369] | 1056 | Float interval = (Float)(polMean( w1_p )) ;
|
---|
[2375] | 1057 | for ( Int ichan = 0 ; ichan < nchan ; ichan++ ) {
|
---|
[2369] | 1058 | Float temp = polMean( w2_p ) ;
|
---|
| 1059 | *w0_p = interval / ( temp * temp ) ;
|
---|
| 1060 | w0_p++ ;
|
---|
[2361] | 1061 | }
|
---|
| 1062 | }
|
---|
[2369] | 1063 | w.putStorage( w_p, b0 ) ;
|
---|
| 1064 | tint.freeStorage( ti_p, b1 ) ;
|
---|
| 1065 | tsys.freeStorage( ts_p, b2 ) ;
|
---|
[2361] | 1066 | }
|
---|
| 1067 | else {
|
---|
[2368] | 1068 | //LogIO os( LogOrigin("STGrid", "getWeight", WHERE) ) ;
|
---|
[2379] | 1069 | //os << LogIO::WARN << "Unsupported weight type '" << wtype_ << "', apply UNIFORM weight" << LogIO::POST ;
|
---|
[2368] | 1070 | w = 1.0 ;
|
---|
[2361] | 1071 | }
|
---|
| 1072 |
|
---|
[2379] | 1073 | // t1 = mathutil::gettimeofday_sec() ;
|
---|
| 1074 | // os << "getWeight: elapsed time is " << t1-t0 << " sec" << LogIO::POST ;
|
---|
[2361] | 1075 | }
|
---|
| 1076 |
|
---|
[2382] | 1077 | void STGrid::getWeightPerPol( Array<Float> &w,
|
---|
| 1078 | Array<Float> &tsys,
|
---|
| 1079 | Array<Double> &tint )
|
---|
| 1080 | {
|
---|
| 1081 | LogIO os( LogOrigin("STGrid","getWeightPerPol",WHERE) ) ;
|
---|
| 1082 | //os << "start getWeightPerPol" << LogIO::POST ;
|
---|
| 1083 | double t0, t1 ;
|
---|
| 1084 | t0 = mathutil::gettimeofday_sec() ;
|
---|
| 1085 | // 2011/12/22 TN
|
---|
| 1086 | // w (weight) and tsys share storage
|
---|
| 1087 | IPosition refShape = tsys.shape() ;
|
---|
| 1088 | Int nchan = refShape[0] ;
|
---|
| 1089 | Int nrow = refShape[1] ;
|
---|
| 1090 | // os << "nchan=" << nchan << ", nrow=" << nrow << LogIO::POST ;
|
---|
| 1091 | // os << "w.shape()=" << w.shape() << endl
|
---|
| 1092 | // << "tsys.shape()=" << tsys.shape() << endl
|
---|
| 1093 | // << "tint.shape()=" << tint.shape() << LogIO::POST ;
|
---|
| 1094 |
|
---|
| 1095 | // set weight
|
---|
| 1096 | if ( wtype_.compare( "UNIFORM" ) == 0 ) {
|
---|
| 1097 | w = 1.0 ;
|
---|
| 1098 | }
|
---|
| 1099 | else if ( wtype_.compare( "TINT" ) == 0 ) {
|
---|
| 1100 | Bool b0, b1 ;
|
---|
| 1101 | Float *w_p = w.getStorage( b0 ) ;
|
---|
| 1102 | Float *w0_p = w_p ;
|
---|
| 1103 | const Double *ti_p = tint.getStorage( b1 ) ;
|
---|
| 1104 | const Double *w1_p = ti_p ;
|
---|
| 1105 | for ( Int irow = 0 ; irow < nrow ; irow++ ) {
|
---|
| 1106 | for ( Int ichan = 0 ; ichan < nchan ; ichan++ ) {
|
---|
| 1107 | *w0_p = *w1_p ;
|
---|
| 1108 | w0_p++ ;
|
---|
| 1109 | }
|
---|
| 1110 | w1_p++ ;
|
---|
| 1111 | }
|
---|
| 1112 | w.putStorage( w_p, b0 ) ;
|
---|
| 1113 | tint.freeStorage( ti_p, b1 ) ;
|
---|
| 1114 | }
|
---|
| 1115 | else if ( wtype_.compare( "TSYS" ) == 0 ) {
|
---|
| 1116 | Bool b0 ;
|
---|
| 1117 | Float *w_p = w.getStorage( b0 ) ;
|
---|
| 1118 | Float *w0_p = w_p ;
|
---|
| 1119 | for ( Int irow = 0 ; irow < nrow ; irow++ ) {
|
---|
| 1120 | for ( Int ichan = 0 ; ichan < nchan ; ichan++ ) {
|
---|
| 1121 | Float temp = *w0_p ;
|
---|
| 1122 | *w0_p = 1.0 / ( temp * temp ) ;
|
---|
| 1123 | w0_p++ ;
|
---|
| 1124 | }
|
---|
| 1125 | }
|
---|
| 1126 | w.putStorage( w_p, b0 ) ;
|
---|
| 1127 | }
|
---|
| 1128 | else if ( wtype_.compare( "TINTSYS" ) == 0 ) {
|
---|
| 1129 | Bool b0, b1 ;
|
---|
| 1130 | Float *w_p = w.getStorage( b0 ) ;
|
---|
| 1131 | Float *w0_p = w_p ;
|
---|
| 1132 | const Double *ti_p = tint.getStorage( b1 ) ;
|
---|
| 1133 | const Double *w1_p = ti_p ;
|
---|
| 1134 | for ( Int irow = 0 ; irow < nrow ; irow++ ) {
|
---|
| 1135 | Float interval = *w1_p ;
|
---|
| 1136 | for ( Int ichan = 0 ; ichan < nchan ; ichan++ ) {
|
---|
| 1137 | Float temp = *w0_p ;
|
---|
| 1138 | *w0_p = interval / ( temp * temp ) ;
|
---|
| 1139 | w0_p++ ;
|
---|
| 1140 | }
|
---|
| 1141 | w1_p++ ;
|
---|
| 1142 | }
|
---|
| 1143 | w.putStorage( w_p, b0 ) ;
|
---|
| 1144 | tint.freeStorage( ti_p, b1 ) ;
|
---|
| 1145 | }
|
---|
| 1146 | else {
|
---|
| 1147 | //LogIO os( LogOrigin("STGrid", "getWeight", WHERE) ) ;
|
---|
| 1148 | //os << LogIO::WARN << "Unsupported weight type '" << wtype_ << "', apply UNIFORM weight" << LogIO::POST ;
|
---|
| 1149 | w = 1.0 ;
|
---|
| 1150 | }
|
---|
| 1151 |
|
---|
| 1152 | t1 = mathutil::gettimeofday_sec() ;
|
---|
| 1153 | os << "getWeight: elapsed time is " << t1-t0 << " sec" << LogIO::POST ;
|
---|
| 1154 | }
|
---|
| 1155 |
|
---|
[2369] | 1156 | Float STGrid::polMean( const Float *p )
|
---|
| 1157 | {
|
---|
| 1158 | Float v = 0.0 ;
|
---|
| 1159 | for ( Int i = 0 ; i < npol_ ; i++ ) {
|
---|
| 1160 | v += *p ;
|
---|
| 1161 | p++ ;
|
---|
| 1162 | }
|
---|
| 1163 | v /= npol_ ;
|
---|
| 1164 | return v ;
|
---|
| 1165 | }
|
---|
| 1166 |
|
---|
| 1167 | Double STGrid::polMean( const Double *p )
|
---|
| 1168 | {
|
---|
| 1169 | Double v = 0.0 ;
|
---|
| 1170 | for ( Int i = 0 ; i < npol_ ; i++ ) {
|
---|
| 1171 | v += *p ;
|
---|
| 1172 | p++ ;
|
---|
| 1173 | }
|
---|
| 1174 | v /= npol_ ;
|
---|
| 1175 | return v ;
|
---|
| 1176 | }
|
---|
| 1177 |
|
---|
[2375] | 1178 | void STGrid::toInt( Array<uChar> &u, Array<Int> &v )
|
---|
[2356] | 1179 | {
|
---|
[2375] | 1180 | uInt len = u.nelements() ;
|
---|
[2356] | 1181 | Int *int_p = new Int[len] ;
|
---|
| 1182 | Bool deleteIt ;
|
---|
[2375] | 1183 | const uChar *data_p = u.getStorage( deleteIt ) ;
|
---|
[2356] | 1184 | Int *i_p = int_p ;
|
---|
| 1185 | const uChar *u_p = data_p ;
|
---|
| 1186 | for ( uInt i = 0 ; i < len ; i++ ) {
|
---|
| 1187 | *i_p = ( *u_p == 0 ) ? 0 : 1 ;
|
---|
| 1188 | i_p++ ;
|
---|
| 1189 | u_p++ ;
|
---|
| 1190 | }
|
---|
[2375] | 1191 | u.freeStorage( data_p, deleteIt ) ;
|
---|
| 1192 | v.takeStorage( u.shape(), int_p, TAKE_OVER ) ;
|
---|
[2356] | 1193 | }
|
---|
| 1194 |
|
---|
[2375] | 1195 | void STGrid::toInt( Array<uInt> &u, Array<Int> &v )
|
---|
[2356] | 1196 | {
|
---|
[2375] | 1197 | uInt len = u.nelements() ;
|
---|
[2356] | 1198 | Int *int_p = new Int[len] ;
|
---|
| 1199 | Bool deleteIt ;
|
---|
[2375] | 1200 | const uInt *data_p = u.getStorage( deleteIt ) ;
|
---|
[2356] | 1201 | Int *i_p = int_p ;
|
---|
| 1202 | const uInt *u_p = data_p ;
|
---|
| 1203 | for ( uInt i = 0 ; i < len ; i++ ) {
|
---|
| 1204 | *i_p = ( *u_p == 0 ) ? 0 : 1 ;
|
---|
| 1205 | i_p++ ;
|
---|
| 1206 | u_p++ ;
|
---|
| 1207 | }
|
---|
[2375] | 1208 | u.freeStorage( data_p, deleteIt ) ;
|
---|
| 1209 | v.takeStorage( u.shape(), int_p, TAKE_OVER ) ;
|
---|
[2356] | 1210 | }
|
---|
| 1211 |
|
---|
[2375] | 1212 | void STGrid::toPixel( Array<Double> &world, Array<Double> &pixel )
|
---|
[2356] | 1213 | {
|
---|
[2359] | 1214 | // gridding will be done on (nx_+2*convSupport_) x (ny_+2*convSupport_)
|
---|
| 1215 | // grid plane to avoid unexpected behavior on grid edge
|
---|
[2375] | 1216 | Block<Double> pixc( 2 ) ;
|
---|
| 1217 | pixc[0] = Double( nx_-1 ) * 0.5 ;
|
---|
| 1218 | pixc[1] = Double( ny_-1 ) * 0.5 ;
|
---|
| 1219 | // pixc[0] = Double( nx_+2*convSupport_-1 ) * 0.5 ;
|
---|
| 1220 | // pixc[1] = Double( ny_+2*convSupport_-1 ) * 0.5 ;
|
---|
[2356] | 1221 | uInt nrow = world.shape()[1] ;
|
---|
[2375] | 1222 | Bool bw, bp ;
|
---|
| 1223 | const Double *w_p = world.getStorage( bw ) ;
|
---|
| 1224 | Double *p_p = pixel.getStorage( bp ) ;
|
---|
| 1225 | const Double *ww_p = w_p ;
|
---|
| 1226 | Double *wp_p = p_p ;
|
---|
| 1227 | for ( uInt i = 0 ; i < nrow ; i++ ) {
|
---|
| 1228 | *wp_p = pixc[0] + ( *ww_p - center_[0] ) / cellx_ ;
|
---|
| 1229 | wp_p++ ;
|
---|
| 1230 | ww_p++ ;
|
---|
| 1231 | *wp_p = pixc[1] + ( *ww_p - center_[1] ) / celly_ ;
|
---|
| 1232 | wp_p++ ;
|
---|
| 1233 | ww_p++ ;
|
---|
[2356] | 1234 | }
|
---|
[2375] | 1235 | world.freeStorage( w_p, bw ) ;
|
---|
| 1236 | pixel.putStorage( p_p, bp ) ;
|
---|
[2364] | 1237 | // String gridfile = "grid."+convType_+"."+String::toString(convSupport_)+".dat" ;
|
---|
| 1238 | // ofstream ofs( gridfile.c_str(), ios::out ) ;
|
---|
| 1239 | // ofs << "center " << center_(0) << " " << pixc(0)
|
---|
| 1240 | // << " " << center_(1) << " " << pixc(1) << endl ;
|
---|
| 1241 | // for ( uInt irow = 0 ; irow < nrow ; irow++ ) {
|
---|
| 1242 | // ofs << irow ;
|
---|
| 1243 | // for ( uInt i = 0 ; i < 2 ; i++ ) {
|
---|
| 1244 | // ofs << " " << world(i, irow) << " " << pixel(i, irow) ;
|
---|
| 1245 | // }
|
---|
| 1246 | // ofs << endl ;
|
---|
| 1247 | // }
|
---|
| 1248 | // ofs.close() ;
|
---|
[2356] | 1249 | }
|
---|
| 1250 |
|
---|
| 1251 | void STGrid::boxFunc( Vector<Float> &convFunc, Int &convSize )
|
---|
| 1252 | {
|
---|
| 1253 | convFunc = 0.0 ;
|
---|
| 1254 | for ( Int i = 0 ; i < convSize/2 ; i++ )
|
---|
| 1255 | convFunc(i) = 1.0 ;
|
---|
| 1256 | }
|
---|
| 1257 |
|
---|
| 1258 | #define NEED_UNDERSCORES
|
---|
| 1259 | #if defined(NEED_UNDERSCORES)
|
---|
| 1260 | #define grdsf grdsf_
|
---|
| 1261 | #endif
|
---|
| 1262 | extern "C" {
|
---|
| 1263 | void grdsf(Double*, Double*);
|
---|
| 1264 | }
|
---|
| 1265 | void STGrid::spheroidalFunc( Vector<Float> &convFunc )
|
---|
| 1266 | {
|
---|
| 1267 | convFunc = 0.0 ;
|
---|
| 1268 | for ( Int i = 0 ; i < convSampling_*convSupport_ ; i++ ) {
|
---|
| 1269 | Double nu = Double(i) / Double(convSupport_*convSampling_) ;
|
---|
| 1270 | Double val ;
|
---|
| 1271 | grdsf( &nu, &val ) ;
|
---|
| 1272 | convFunc(i) = ( 1.0 - nu * nu ) * val ;
|
---|
| 1273 | }
|
---|
| 1274 | }
|
---|
| 1275 |
|
---|
| 1276 | void STGrid::gaussFunc( Vector<Float> &convFunc )
|
---|
| 1277 | {
|
---|
| 1278 | convFunc = 0.0 ;
|
---|
[2363] | 1279 | // HWHM of the Gaussian is convSupport_ / 4
|
---|
| 1280 | // To take into account Gaussian tail, kernel cutoff is set to 4 * HWHM
|
---|
| 1281 | Int len = convSampling_ * convSupport_ ;
|
---|
| 1282 | Double hwhm = len * 0.25 ;
|
---|
| 1283 | for ( Int i = 0 ; i < len ; i++ ) {
|
---|
[2356] | 1284 | Double val = Double(i) / hwhm ;
|
---|
| 1285 | convFunc(i) = exp( -log(2)*val*val ) ;
|
---|
| 1286 | }
|
---|
| 1287 | }
|
---|
| 1288 |
|
---|
| 1289 | void STGrid::pbFunc( Vector<Float> &convFunc )
|
---|
| 1290 | {
|
---|
| 1291 | convFunc = 0.0 ;
|
---|
| 1292 | }
|
---|
| 1293 |
|
---|
| 1294 | void STGrid::setConvFunc( Vector<Float> &convFunc )
|
---|
| 1295 | {
|
---|
| 1296 | convSupport_ = userSupport_ ;
|
---|
| 1297 | if ( convType_ == "BOX" ) {
|
---|
| 1298 | if ( convSupport_ < 0 )
|
---|
| 1299 | convSupport_ = 0 ;
|
---|
| 1300 | Int convSize = convSampling_ * ( 2 * convSupport_ + 2 ) ;
|
---|
| 1301 | convFunc.resize( convSize ) ;
|
---|
| 1302 | boxFunc( convFunc, convSize ) ;
|
---|
| 1303 | }
|
---|
| 1304 | else if ( convType_ == "SF" ) {
|
---|
| 1305 | if ( convSupport_ < 0 )
|
---|
| 1306 | convSupport_ = 3 ;
|
---|
| 1307 | Int convSize = convSampling_ * ( 2 * convSupport_ + 2 ) ;
|
---|
| 1308 | convFunc.resize( convSize ) ;
|
---|
| 1309 | spheroidalFunc( convFunc ) ;
|
---|
| 1310 | }
|
---|
| 1311 | else if ( convType_ == "GAUSS" ) {
|
---|
[2363] | 1312 | // to take into account Gaussian tail
|
---|
[2356] | 1313 | if ( convSupport_ < 0 )
|
---|
[2363] | 1314 | convSupport_ = 12 ; // 3 * 4
|
---|
| 1315 | else {
|
---|
| 1316 | convSupport_ = userSupport_ * 4 ;
|
---|
| 1317 | }
|
---|
[2356] | 1318 | Int convSize = convSampling_ * ( 2 * convSupport_ + 2 ) ;
|
---|
| 1319 | convFunc.resize( convSize ) ;
|
---|
| 1320 | gaussFunc( convFunc ) ;
|
---|
| 1321 | }
|
---|
[2359] | 1322 | else if ( convType_ == "PB" ) {
|
---|
| 1323 | if ( convSupport_ < 0 )
|
---|
| 1324 | convSupport_ = 0 ;
|
---|
[2356] | 1325 | pbFunc( convFunc ) ;
|
---|
[2359] | 1326 | }
|
---|
[2356] | 1327 | else {
|
---|
| 1328 | throw AipsError( "Unsupported convolution function" ) ;
|
---|
| 1329 | }
|
---|
| 1330 | }
|
---|
| 1331 |
|
---|
| 1332 | string STGrid::saveData( string outfile )
|
---|
| 1333 | {
|
---|
[2368] | 1334 | LogIO os( LogOrigin("STGrid", "saveData", WHERE) ) ;
|
---|
| 1335 | double t0, t1 ;
|
---|
| 1336 | t0 = mathutil::gettimeofday_sec() ;
|
---|
| 1337 |
|
---|
[2360] | 1338 | //Int polno = 0 ;
|
---|
[2371] | 1339 | String outfile_ ;
|
---|
[2356] | 1340 | if ( outfile.size() == 0 ) {
|
---|
| 1341 | if ( infile_.lastchar() == '/' ) {
|
---|
| 1342 | outfile_ = infile_.substr( 0, infile_.size()-1 ) ;
|
---|
| 1343 | }
|
---|
| 1344 | else {
|
---|
| 1345 | outfile_ = infile_ ;
|
---|
| 1346 | }
|
---|
| 1347 | outfile_ += ".grid" ;
|
---|
| 1348 | }
|
---|
| 1349 | else {
|
---|
| 1350 | outfile_ = outfile ;
|
---|
| 1351 | }
|
---|
[2371] | 1352 | Table tab ;
|
---|
| 1353 | prepareTable( tab, outfile_ ) ;
|
---|
[2356] | 1354 | IPosition dshape = data_.shape() ;
|
---|
[2361] | 1355 | Int nrow = nx_ * ny_ * npol_ ;
|
---|
| 1356 | tab.rwKeywordSet().define( "nPol", npol_ ) ;
|
---|
[2360] | 1357 | tab.addRow( nrow ) ;
|
---|
[2356] | 1358 | Vector<Double> cpix( 2 ) ;
|
---|
| 1359 | cpix(0) = Double( nx_ - 1 ) * 0.5 ;
|
---|
| 1360 | cpix(1) = Double( ny_ - 1 ) * 0.5 ;
|
---|
| 1361 | Vector<Double> dir( 2 ) ;
|
---|
| 1362 | ArrayColumn<Double> directionCol( tab, "DIRECTION" ) ;
|
---|
| 1363 | ArrayColumn<Float> spectraCol( tab, "SPECTRA" ) ;
|
---|
| 1364 | ScalarColumn<uInt> polnoCol( tab, "POLNO" ) ;
|
---|
| 1365 | Int irow = 0 ;
|
---|
[2371] | 1366 | Vector<Float> sp( nchan_ ) ;
|
---|
| 1367 | Bool bsp, bdata ;
|
---|
| 1368 | const Float *data_p = data_.getStorage( bdata ) ;
|
---|
| 1369 | Float *wsp_p, *sp_p ;
|
---|
| 1370 | const Float *wdata_p = data_p ;
|
---|
| 1371 | long step = nx_ * ny_ * npol_ ;
|
---|
| 1372 | long offset ;
|
---|
[2356] | 1373 | for ( Int iy = 0 ; iy < ny_ ; iy++ ) {
|
---|
[2371] | 1374 | dir(1) = center_(1) - ( cpix(1) - (Double)iy ) * celly_ ;
|
---|
[2356] | 1375 | for ( Int ix = 0 ; ix < nx_ ; ix++ ) {
|
---|
[2371] | 1376 | dir(0) = center_(0) - ( cpix(0) - (Double)ix ) * cellx_ ;
|
---|
[2361] | 1377 | for ( Int ipol = 0 ; ipol < npol_ ; ipol++ ) {
|
---|
[2371] | 1378 | offset = ix + iy * nx_ + ipol * nx_ * ny_ ;
|
---|
| 1379 | //os << "offset = " << offset << LogIO::POST ;
|
---|
| 1380 | sp_p = sp.getStorage( bsp ) ;
|
---|
| 1381 | wsp_p = sp_p ;
|
---|
| 1382 | wdata_p = data_p + offset ;
|
---|
| 1383 | for ( Int ichan = 0 ; ichan < nchan_ ; ichan++ ) {
|
---|
| 1384 | *wsp_p = *wdata_p ;
|
---|
| 1385 | wsp_p++ ;
|
---|
| 1386 | wdata_p += step ;
|
---|
| 1387 | }
|
---|
| 1388 | sp.putStorage( sp_p, bsp ) ;
|
---|
[2356] | 1389 | spectraCol.put( irow, sp ) ;
|
---|
| 1390 | directionCol.put( irow, dir ) ;
|
---|
[2360] | 1391 | polnoCol.put( irow, pollist_[ipol] ) ;
|
---|
[2356] | 1392 | irow++ ;
|
---|
| 1393 | }
|
---|
| 1394 | }
|
---|
| 1395 | }
|
---|
[2371] | 1396 | data_.freeStorage( data_p, bdata ) ;
|
---|
[2368] | 1397 |
|
---|
| 1398 | t1 = mathutil::gettimeofday_sec() ;
|
---|
| 1399 | os << "saveData: elapsed time is " << t1-t0 << " sec." << LogIO::POST ;
|
---|
[2374] | 1400 |
|
---|
[2356] | 1401 | return outfile_ ;
|
---|
| 1402 | }
|
---|
| 1403 |
|
---|
[2371] | 1404 | void STGrid::prepareTable( Table &tab, String &name )
|
---|
| 1405 | {
|
---|
| 1406 | Table t( infile_, Table::Old ) ;
|
---|
| 1407 | t.deepCopy( name, Table::New, False, t.endianFormat(), True ) ;
|
---|
| 1408 | tab = Table( name, Table::Update ) ;
|
---|
[2356] | 1409 | }
|
---|
[2379] | 1410 |
|
---|
| 1411 | void STGrid::sortData()
|
---|
| 1412 | {
|
---|
| 1413 | LogIO os( LogOrigin("STGRid","sortData",WHERE) ) ;
|
---|
| 1414 | double t0, t1 ;
|
---|
| 1415 | t0 = mathutil::gettimeofday_sec() ;
|
---|
| 1416 | rows_.resize( npol_*nrow_ ) ;
|
---|
| 1417 | Table tab = tab_( tab_.col("POLNO").in(pollist_) ) ;
|
---|
| 1418 | Block<String> cols( 2 ) ;
|
---|
| 1419 | cols[0] = "TIME" ;
|
---|
| 1420 | cols[1] = "BEAMNO" ;
|
---|
| 1421 | TableIterator iter( tab, cols ) ;
|
---|
| 1422 | uInt idx = 0 ;
|
---|
| 1423 | while( !iter.pastEnd() ) {
|
---|
| 1424 | Table t = iter.table().sort( "POLNO" ) ;
|
---|
| 1425 | Vector<uInt> rows = t.rowNumbers() ;
|
---|
| 1426 | //os << "rows=" << rows << LogIO::POST ;
|
---|
| 1427 | for ( uInt i = 0 ; i < rows.nelements() ; i++ ) {
|
---|
| 1428 | rows_[idx] = rows[i] ;
|
---|
| 1429 | idx++ ;
|
---|
| 1430 | }
|
---|
| 1431 | iter.next() ;
|
---|
| 1432 | }
|
---|
| 1433 | t1 = mathutil::gettimeofday_sec() ;
|
---|
| 1434 | os << "sortData: elapsed time is " << t1-t0 << " sec" << LogIO::POST ;
|
---|
| 1435 | //os << "rows_ = " << rows_ << LogIO::POST ;
|
---|
[2371] | 1436 | }
|
---|
[2379] | 1437 | }
|
---|