source: trunk/src/STGrid.cpp@ 2690

Last change on this file since 2690 was 2688, checked in by Takeshi Nakazato, 12 years ago

New Development: No

JIRA Issue: No

Ready for Test: Yes

Interface Changes: No

What Interface Changed: Please list interface changes

Test Programs:

Put in Release Notes: No

Module(s): Module Names change impacts.

Description: Describe your changes here...

Bug fix on STGrid: BEAMNO for output scantable is properly set.
File size: 62.4 KB
Line 
1//
2// C++ Implementation: STGrid
3//
4// Description:
5//
6//
7// Author: Takeshi Nakazato <takeshi.nakazato@nao.ac.jp>, (C) 2011
8//
9// Copyright: See COPYING file that comes with this distribution
10//
11//
12#include <casa/BasicSL/String.h>
13#include <casa/Arrays/Vector.h>
14#include <casa/Arrays/ArrayMath.h>
15#include <casa/Quanta/Quantum.h>
16#include <casa/Quanta/QuantumHolder.h>
17#include <casa/Utilities/CountedPtr.h>
18#include <casa/Logging/LogIO.h>
19
20#include <coordinates/Coordinates/DirectionCoordinate.h>
21
22#include <tables/Tables/Table.h>
23#include <tables/Tables/TableRecord.h>
24#include <tables/Tables/TableRow.h>
25#include <tables/Tables/ExprNode.h>
26#include <tables/Tables/ScalarColumn.h>
27#include <tables/Tables/ArrayColumn.h>
28#include <tables/Tables/TableCopy.h>
29
30#include <measures/Measures/MDirection.h>
31
32#include "MathUtils.h"
33#include <atnf/PKSIO/SrcType.h>
34
35#include "STGrid.h"
36
37using namespace std ;
38using namespace concurrent ;
39using namespace casa ;
40using namespace asap ;
41
42namespace asap {
43
44// for performance check
45double eToInt = 0.0 ;
46double eGetWeight = 0.0 ;
47
48// constructor
49STGrid::STGrid()
50 : vshape_( 1 ), wshape_( 2 ), dshape_( 2 )
51{
52 init() ;
53}
54
55STGrid::STGrid( const string infile )
56 : vshape_( 1 ), wshape_( 2 ), dshape_( 2 )
57{
58 init() ;
59
60 setFileIn( infile ) ;
61}
62
63STGrid::STGrid( const vector<string> infile )
64{
65 init() ;
66
67 setFileList( infile ) ;
68}
69
70void STGrid::init()
71{
72 ifno_ = -1 ;
73 nx_ = -1 ;
74 ny_ = -1 ;
75 npol_ = 0 ;
76 nchan_ = 0 ;
77 nrow_ = 0 ;
78 cellx_ = 0.0 ;
79 celly_ = 0.0 ;
80 center_ = Vector<Double> ( 2, 0.0 ) ;
81 convType_ = "BOX" ;
82 wtype_ = "UNIFORM" ;
83 convSupport_ = -1 ;
84 userSupport_ = -1 ;
85 truncate_ = "";
86 gwidth_ = "";
87 jwidth_ = "";
88 convSampling_ = 100 ;
89 nprocessed_ = 0 ;
90 nchunk_ = 0 ;
91
92 // initialize user input
93 nxUI_ = -1 ;
94 nyUI_ = -1 ;
95 cellxUI_ = "" ;
96 cellyUI_ = "" ;
97 centerUI_ = "" ;
98 doclip_ = False ;
99}
100
101void STGrid::setFileIn( const string infile )
102{
103 nfile_ = 1 ;
104 String name( infile ) ;
105 infileList_.resize( nfile_ ) ;
106 infileList_[0] = String(infile) ;
107}
108
109void STGrid::setFileList( const vector<string> infile )
110{
111 nfile_ = infile.size() ;
112 infileList_.resize( nfile_ ) ;
113 for ( uInt i = 0 ; i < nfile_ ; i++ ) {
114 infileList_[i] = infile[i] ;
115 }
116}
117
118void STGrid::setPolList( vector<unsigned int> pols )
119{
120 pollist_.assign( Vector<uInt>( pols ) ) ;
121}
122
123void STGrid::setScanList( vector<unsigned int> scans )
124{
125 scanlist_.assign( Vector<uInt>( scans ) ) ;
126}
127
128void STGrid::setWeight( const string wType )
129{
130 wtype_ = String( wType ) ;
131 wtype_.upcase() ;
132}
133
134void STGrid::defineImage( int nx,
135 int ny,
136 string scellx,
137 string scelly,
138 string scenter )
139{
140 nxUI_ = (Int)nx ;
141 nyUI_ = (Int)ny ;
142 cellxUI_ = String( scellx ) ;
143 cellyUI_ = String( scelly ) ;
144 centerUI_ = String( scenter ) ;
145}
146
147void STGrid::setFunc( string convType,
148 int convSupport,
149 string truncate,
150 string gwidth,
151 string jwidth )
152{
153 convType_ = String( convType ) ;
154 convType_.upcase() ;
155 userSupport_ = (Int)convSupport ;
156 truncate_ = String( truncate );
157 gwidth_ = String( gwidth );
158 jwidth_ = String( jwidth );
159}
160
161#define NEED_UNDERSCORES
162#if defined(NEED_UNDERSCORES)
163#define ggridsd ggridsd_
164#endif
165extern "C" {
166 void ggridsd(Double*,
167 const Complex*,
168 Int*,
169 Int*,
170 Int*,
171 const Int*,
172 const Int*,
173 const Float*,
174 Int*,
175 Int*,
176 Complex*,
177 Float*,
178 Int*,
179 Int*,
180 Int *,
181 Int *,
182 Int*,
183 Int*,
184 Float*,
185 Int*,
186 Int*,
187 Double*);
188}
189void STGrid::call_ggridsd( Array<Double> &xypos,
190 Array<Complex> &spectra,
191 Int &nvispol,
192 Int &nvischan,
193 Array<Int> &flagtra,
194 Array<Int> &flagrow,
195 Array<Float> &weight,
196 Int &nrow,
197 Int &irow,
198 Array<Complex> &gdata,
199 Array<Float> &gwgt,
200 Int &nx,
201 Int &ny,
202 Int &npol,
203 Int &nchan,
204 Int &support,
205 Int &sampling,
206 Vector<Float> &convFunc,
207 Int *chanMap,
208 Int *polMap )
209{
210 // parameters for gridding
211 Int idopsf = 0 ;
212 Int len = npol*nchan ;
213 Double *sumw_p = new Double[len] ;
214 {
215 Double *work_p = sumw_p ;
216 for ( Int i = 0 ; i < len ; i++ ) {
217 *work_p = 0.0 ;
218 work_p++ ;
219 }
220 }
221
222 // prepare pointer
223 Bool deletePos, deleteData, deleteWgt, deleteFlag, deleteFlagR, deleteConv, deleteDataG, deleteWgtG ;
224 Double *xy_p = xypos.getStorage( deletePos ) ;
225 const Complex *values_p = spectra.getStorage( deleteData ) ;
226 const Int *flag_p = flagtra.getStorage( deleteFlag ) ;
227 const Int *rflag_p = flagrow.getStorage( deleteFlagR ) ;
228 const Float *wgt_p = weight.getStorage( deleteWgt ) ;
229 Complex *grid_p = gdata.getStorage( deleteDataG ) ;
230 Float *wgrid_p = gwgt.getStorage( deleteWgtG ) ;
231 Float *conv_p = convFunc.getStorage( deleteConv ) ;
232
233 // pass copy of irow to ggridsd since it will be modified in theroutine
234 Int irowCopy = irow ;
235
236 // call ggridsd
237 ggridsd( xy_p,
238 values_p,
239 &nvispol,
240 &nvischan,
241 &idopsf,
242 flag_p,
243 rflag_p,
244 wgt_p,
245 &nrow,
246 &irowCopy,
247 grid_p,
248 wgrid_p,
249 &nx,
250 &ny,
251 &npol,
252 &nchan,
253 &support,
254 &sampling,
255 conv_p,
256 chanMap,
257 polMap,
258 sumw_p ) ;
259
260 // finalization
261 xypos.putStorage( xy_p, deletePos ) ;
262 spectra.freeStorage( values_p, deleteData ) ;
263 flagtra.freeStorage( flag_p, deleteFlag ) ;
264 flagrow.freeStorage( rflag_p, deleteFlagR ) ;
265 weight.freeStorage( wgt_p, deleteWgt ) ;
266 gdata.putStorage( grid_p, deleteDataG ) ;
267 gwgt.putStorage( wgrid_p, deleteWgtG ) ;
268 convFunc.putStorage( conv_p, deleteConv ) ;
269 delete sumw_p ;
270}
271
272#define NEED_UNDERSCORES
273#if defined(NEED_UNDERSCORES)
274#define ggridsd2 ggridsd2_
275#endif
276extern "C" {
277 void ggridsd2(Double*,
278 const Complex*,
279 Int*,
280 Int*,
281 Int*,
282 const Int*,
283 const Int*,
284 const Float*,
285 Int*,
286 Int*,
287 Complex*,
288 Float*,
289 Int*,
290 Complex*,
291 Float*,
292 Float*,
293 Complex*,
294 Float*,
295 Float*,
296 Int*,
297 Int*,
298 Int *,
299 Int *,
300 Int*,
301 Int*,
302 Float*,
303 Int*,
304 Int*,
305 Double*);
306}
307void STGrid::call_ggridsd2( Array<Double> &xypos,
308 Array<Complex> &spectra,
309 Int &nvispol,
310 Int &nvischan,
311 Array<Int> &flagtra,
312 Array<Int> &flagrow,
313 Array<Float> &weight,
314 Int &nrow,
315 Int &irow,
316 Array<Complex> &gdata,
317 Array<Float> &gwgt,
318 Array<Int> &npoints,
319 Array<Complex> &clipmin,
320 Array<Float> &clipwmin,
321 Array<Float> &clipcmin,
322 Array<Complex> &clipmax,
323 Array<Float> &clipwmax,
324 Array<Float> &clipcmax,
325 Int &nx,
326 Int &ny,
327 Int &npol,
328 Int &nchan,
329 Int &support,
330 Int &sampling,
331 Vector<Float> &convFunc,
332 Int *chanMap,
333 Int *polMap )
334{
335 // parameters for gridding
336 Int idopsf = 0 ;
337 Int len = npol*nchan ;
338 Double *sumw_p = new Double[len] ;
339 {
340 Double *work_p = sumw_p ;
341 for ( Int i = 0 ; i < len ; i++ ) {
342 *work_p = 0.0 ;
343 work_p++ ;
344 }
345 }
346
347 // prepare pointer
348 Bool deletePos, deleteData, deleteWgt, deleteFlag, deleteFlagR, deleteConv, deleteDataG, deleteWgtG, deleteNpts, deleteCMin, deleteCWMin, deleteCCMin, deleteCMax, deleteCWMax, deleteCCMax ;
349 Double *xy_p = xypos.getStorage( deletePos ) ;
350 const Complex *values_p = spectra.getStorage( deleteData ) ;
351 const Int *flag_p = flagtra.getStorage( deleteFlag ) ;
352 const Int *rflag_p = flagrow.getStorage( deleteFlagR ) ;
353 const Float *wgt_p = weight.getStorage( deleteWgt ) ;
354 Complex *grid_p = gdata.getStorage( deleteDataG ) ;
355 Float *wgrid_p = gwgt.getStorage( deleteWgtG ) ;
356 Float *conv_p = convFunc.getStorage( deleteConv ) ;
357 Int *npts_p = npoints.getStorage( deleteNpts ) ;
358 Complex *cmin_p = clipmin.getStorage( deleteCMin ) ;
359 Float *cwmin_p = clipwmin.getStorage( deleteCWMin ) ;
360 Float *ccmin_p = clipcmin.getStorage( deleteCCMin ) ;
361 Complex *cmax_p = clipmax.getStorage( deleteCMax ) ;
362 Float *cwmax_p = clipwmax.getStorage( deleteCWMax ) ;
363 Float *ccmax_p = clipcmax.getStorage( deleteCCMax ) ;
364
365 // pass copy of irow to ggridsd since it will be modified in theroutine
366 Int irowCopy = irow ;
367
368 // call ggridsd
369 ggridsd2( xy_p,
370 values_p,
371 &nvispol,
372 &nvischan,
373 &idopsf,
374 flag_p,
375 rflag_p,
376 wgt_p,
377 &nrow,
378 &irowCopy,
379 grid_p,
380 wgrid_p,
381 npts_p,
382 cmin_p,
383 cwmin_p,
384 ccmin_p,
385 cmax_p,
386 cwmax_p,
387 ccmax_p,
388 &nx,
389 &ny,
390 &npol,
391 &nchan,
392 &support,
393 &sampling,
394 conv_p,
395 chanMap,
396 polMap,
397 sumw_p ) ;
398
399 // finalization
400 xypos.putStorage( xy_p, deletePos ) ;
401 spectra.freeStorage( values_p, deleteData ) ;
402 flagtra.freeStorage( flag_p, deleteFlag ) ;
403 flagrow.freeStorage( rflag_p, deleteFlagR ) ;
404 weight.freeStorage( wgt_p, deleteWgt ) ;
405 gdata.putStorage( grid_p, deleteDataG ) ;
406 gwgt.putStorage( wgrid_p, deleteWgtG ) ;
407 convFunc.putStorage( conv_p, deleteConv ) ;
408 clipmin.putStorage( cmin_p, deleteCMin ) ;
409 clipwmin.putStorage( cwmin_p, deleteCWMin ) ;
410 clipcmin.putStorage( ccmin_p, deleteCCMin ) ;
411 clipmax.putStorage( cmax_p, deleteCMax ) ;
412 clipwmax.putStorage( cwmax_p, deleteCWMax ) ;
413 clipcmax.putStorage( ccmax_p, deleteCCMax ) ;
414 delete sumw_p ;
415}
416
417void STGrid::grid()
418{
419 LogIO os( LogOrigin("STGrid", "grid", WHERE) ) ;
420 double t0,t1 ;
421
422 // data selection
423 t0 = mathutil::gettimeofday_sec() ;
424 selectData() ;
425 t1 = mathutil::gettimeofday_sec() ;
426 os << LogIO::DEBUGGING << "selectData: elapsed time is " << t1-t0 << " sec." << LogIO::POST ;
427
428 setupGrid() ;
429 setupArray() ;
430
431 if ( wtype_.compare("UNIFORM") != 0 &&
432 wtype_.compare("TINT") != 0 &&
433 wtype_.compare("TSYS") != 0 &&
434 wtype_.compare("TINTSYS") != 0 ) {
435 LogIO os( LogOrigin("STGrid", "grid", WHERE) ) ;
436 os << LogIO::WARN << "Unsupported weight type '" << wtype_ << "', apply UNIFORM weight" << LogIO::POST ;
437 wtype_ = "UNIFORM" ;
438 }
439
440 // Warn if gauss or gjinc gridding with non-square cells
441 if ((cellx_ != celly_) && (convType_=="GAUSS"||convType_=="GJINC")) {
442 os << LogIO::WARN
443 << "The " << convType_ << " gridding doesn't support non-square grid." << endl
444 << "Result may be wrong." << LogIO::POST;
445 }
446
447 // grid parameter
448 os << LogIO::DEBUGGING ;
449 os << "----------" << endl ;
450 os << "Data selection summary" << endl ;
451 os << " ifno = " << ifno_ << endl ;
452 os << " pollist = " << pollist_ << endl ;
453 os << " scanlist = " << scanlist_ << endl ;
454 os << "----------" << endl ;
455 os << "Grid parameter summary" << endl ;
456 os << " (nx,ny) = (" << nx_ << "," << ny_ << ")" << endl ;
457 os << " (cellx,celly) = (" << cellx_ << "," << celly_ << ")" << endl ;
458 os << " center = " << center_ << endl ;
459 os << " weighting = " << wtype_ << endl ;
460 os << " convfunc = " << convType_ << endl;
461 if (convType_ == "GAUSS") {
462 os << " gwidth = " << gwidth_ << endl;
463 os << " truncate = " << truncate_ << endl;
464 }
465 else if (convType_ == "GJINC") {
466 os << " gwidth = " << gwidth_ << endl;
467 os << " jwidth = " << jwidth_ << endl;
468 os << " truncate = " << truncate_ << endl;
469 }
470 else {
471 os << " support = " << userSupport_ << endl;
472 }
473 os << " doclip = " << (doclip_?"True":"False") << endl ;
474 os << "----------" << LogIO::POST ;
475 os << LogIO::NORMAL ;
476
477 if ( doclip_ )
478 gridPerRowWithClipping() ;
479 else
480 gridPerRow() ;
481}
482
483void STGrid::updateChunkShape()
484{
485 // TODO: nchunk_ must be determined from nchan_, npol_, and (nx_,ny_)
486 // by considering data size to be allocated for ggridsd input/output
487 nchunk_ = 400 ;
488 nchunk_ = min( nchunk_, nrow_ ) ;
489 vshape_ = IPosition( 1, nchunk_ ) ;
490 wshape_ = IPosition( 2, nchan_, nchunk_ ) ;
491 dshape_ = IPosition( 2, 2, nchunk_ ) ;
492}
493
494struct STGChunk {
495 Int nrow ;
496 Array<Complex> spectra;
497 Array<Int> flagtra;
498 Array<Int> rflag;
499 Array<Float> weight;
500 Array<Double> direction;
501 STGChunk(IPosition const &wshape, IPosition const &vshape,
502 IPosition const &dshape)
503 : spectra(wshape), flagtra(wshape), rflag(vshape), weight(wshape),
504 direction(dshape)
505 { }
506};
507
508struct STCommonData {
509 Int gnx;
510 Int gny;
511 Int *chanMap;
512 Vector<Float> convFunc ;
513 Array<Complex> gdataArrC;
514 Array<Float> gwgtArr;
515 STCommonData(IPosition const &gshape, Array<Float> const &data)
516 : gdataArrC(gshape, 0.0), gwgtArr(data) {}
517};
518
519struct STCommonDataWithClipping {
520 Int gnx;
521 Int gny;
522 Int *chanMap;
523 Vector<Float> convFunc ;
524 Array<Complex> gdataArrC;
525 Array<Float> gwgtArr;
526 Array<Int> npoints ;
527 Array<Complex> clipMin ;
528 Array<Float> clipWMin ;
529 Array<Float> clipCMin ;
530 Array<Complex> clipMax ;
531 Array<Float> clipWMax ;
532 Array<Float> clipCMax ;
533 STCommonDataWithClipping(IPosition const &gshape,
534 IPosition const &pshape,
535 Array<Float> const &data)
536 : gdataArrC(gshape, 0.0),
537 gwgtArr(data),
538 npoints(pshape, 0),
539 clipMin(gshape, Complex(FLT_MAX,0.0)),
540 clipWMin(gshape, 0.0),
541 clipCMin(gshape, 0.0),
542 clipMax(gshape, Complex(-FLT_MAX,0.0)),
543 clipWMax(gshape, 0.0),
544 clipCMax(gshape, 0.0)
545 {}
546};
547
548#define DO_AHEAD 3
549
550struct STContext {
551 STCommonData &common;
552 FIFO<STGChunk *, DO_AHEAD> queue;
553 STGrid *const self;
554 const Int pol;
555 STContext(STGrid *obj, STCommonData &common, Int pol)
556 : self(obj), common(common), pol(pol) {}
557};
558
559struct STContextWithClipping {
560 STCommonDataWithClipping &common;
561 FIFO<STGChunk *, DO_AHEAD> queue;
562 STGrid *const self;
563 const Int pol;
564 STContextWithClipping(STGrid *obj, STCommonDataWithClipping &common, Int pol)
565 : self(obj), common(common), pol(pol) {}
566};
567
568
569bool STGrid::produceChunk(void *ctx) throw(PCException)
570{
571 STContext &context = *(STContext *)ctx;
572 if ( context.self->nprocessed_ >= context.self->nrow_ ) {
573 return false;
574 }
575 STGChunk *chunk = new STGChunk(context.self->wshape_,
576 context.self->vshape_,
577 context.self->dshape_);
578
579 double t0 = mathutil::gettimeofday_sec() ;
580 chunk->nrow = context.self->getDataChunk(
581 context.self->wshape_, context.self->vshape_, context.self->dshape_,
582 chunk->spectra, chunk->direction,
583 chunk->flagtra, chunk->rflag, chunk->weight);
584 double t1 = mathutil::gettimeofday_sec() ;
585 context.self->eGetData_ += t1-t0 ;
586
587 context.queue.lock();
588 context.queue.put(chunk);
589 context.queue.unlock();
590 return true;
591}
592
593void STGrid::consumeChunk(void *ctx) throw(PCException)
594{
595 STContext &context = *(STContext *)ctx;
596 STGChunk *chunk = NULL;
597 try {
598 context.queue.lock();
599 chunk = context.queue.get();
600 context.queue.unlock();
601 } catch (FullException &e) {
602 context.queue.unlock();
603 // TODO: log error
604 throw PCException();
605 }
606
607 double t0, t1 ;
608 // world -> pixel
609 Array<Double> xypos( context.self->dshape_ ) ;
610 t0 = mathutil::gettimeofday_sec() ;
611 context.self->toPixel( chunk->direction, xypos ) ;
612 t1 = mathutil::gettimeofday_sec() ;
613 context.self->eToPixel_ += t1-t0 ;
614
615 // call ggridsd
616 Int nvispol = 1 ;
617 Int irow = -1 ;
618 t0 = mathutil::gettimeofday_sec() ;
619 context.self->call_ggridsd( xypos,
620 chunk->spectra,
621 nvispol,
622 context.self->nchan_,
623 chunk->flagtra,
624 chunk->rflag,
625 chunk->weight,
626 chunk->nrow,
627 irow,
628 context.common.gdataArrC,
629 context.common.gwgtArr,
630 context.common.gnx,
631 context.common.gny,
632 context.self->npol_,
633 context.self->nchan_,
634 context.self->convSupport_,
635 context.self->convSampling_,
636 context.common.convFunc,
637 context.common.chanMap,
638 (Int*)&context.pol ) ;
639 t1 = mathutil::gettimeofday_sec() ;
640 context.self->eGGridSD_ += t1-t0 ;
641
642 delete chunk;
643}
644
645void STGrid::gridPerRow()
646{
647 LogIO os( LogOrigin("STGrid", "gridPerRow", WHERE) ) ;
648 double t0, t1 ;
649
650
651 // grid data
652 // Extend grid plane with convSupport_
653 // Int gnx = nx_+convSupport_*2 ;
654 // Int gny = ny_+convSupport_*2 ;
655 Int gnx = nx_;
656 Int gny = ny_;
657
658 IPosition gshape( 4, gnx, gny, npol_, nchan_ ) ;
659 // 2011/12/20 TN
660 // data_ and gwgtArr share storage
661 data_.resize( gshape ) ;
662 data_ = 0.0 ;
663 STCommonData common = STCommonData(gshape, data_);
664 common.gnx = gnx ;
665 common.gny = gny ;
666
667 // parameters for gridding
668 Int *chanMap = new Int[nchan_] ;
669 for ( Int i = 0 ; i < nchan_ ; i++ ) {
670 chanMap[i] = i ;
671 }
672 common.chanMap = chanMap;
673
674 // convolution kernel
675 t0 = mathutil::gettimeofday_sec() ;
676 setConvFunc( common.convFunc ) ;
677 t1 = mathutil::gettimeofday_sec() ;
678 os << LogIO::DEBUGGING << "setConvFunc: elapsed time is " << t1-t0 << " sec." << LogIO::POST ;
679
680 // for performance check
681 eGetData_ = 0.0 ;
682 eToPixel_ = 0.0 ;
683 eGGridSD_ = 0.0 ;
684 double eInitPol = 0.0 ;
685
686 for ( uInt ifile = 0 ; ifile < nfile_ ; ifile++ ) {
687 initTable( ifile ) ;
688
689 os << "start table " << ifile << ": " << infileList_[ifile] << LogIO::POST ;
690 Broker broker = Broker(produceChunk, consumeChunk);
691 for ( Int ipol = 0 ; ipol < npol_ ; ipol++ ) {
692 t0 = mathutil::gettimeofday_sec() ;
693 initPol( ipol ) ; // set ptab_ and attach()
694 t1 = mathutil::gettimeofday_sec() ;
695 eInitPol += t1-t0 ;
696
697 STContext context(this, common, ipol);
698
699 os << "start pol " << ipol << LogIO::POST ;
700
701 nprocessed_ = 0 ;
702#if 1
703 broker.runProducerAsMasterThread(&context, DO_AHEAD);
704#else
705 for (;;) {
706 bool produced = produceChunk(&context);
707 if (! produced) {
708 break;
709 }
710 consumeChunk(&context);
711 }
712#endif
713
714 os << "end pol " << ipol << LogIO::POST ;
715
716 }
717 os << "end table " << ifile << LogIO::POST ;
718 }
719 os << LogIO::DEBUGGING << "initPol: elapsed time is " << eInitPol << " sec." << LogIO::POST ;
720 os << LogIO::DEBUGGING << "getData: elapsed time is " << eGetData_-eToInt-eGetWeight << " sec." << LogIO::POST ;
721 os << LogIO::DEBUGGING << "toPixel: elapsed time is " << eToPixel_ << " sec." << LogIO::POST ;
722 os << LogIO::DEBUGGING << "ggridsd: elapsed time is " << eGGridSD_ << " sec." << LogIO::POST ;
723 os << LogIO::DEBUGGING << "toInt: elapsed time is " << eToInt << " sec." << LogIO::POST ;
724 os << LogIO::DEBUGGING << "getWeight: elapsed time is " << eGetWeight << " sec." << LogIO::POST ;
725
726 delete chanMap ;
727
728 // set data
729 setData( common.gdataArrC, common.gwgtArr ) ;
730
731}
732
733void STGrid::consumeChunkWithClipping(void *ctx) throw(PCException)
734{
735 STContextWithClipping &context = *(STContextWithClipping *)ctx;
736 STGChunk *chunk = NULL;
737 try {
738 context.queue.lock();
739 chunk = context.queue.get();
740 context.queue.unlock();
741 } catch (FullException &e) {
742 context.queue.unlock();
743 // TODO: log error
744 throw PCException();
745 }
746
747 double t0, t1 ;
748 // world -> pixel
749 Array<Double> xypos( context.self->dshape_ ) ;
750 t0 = mathutil::gettimeofday_sec() ;
751 context.self->toPixel( chunk->direction, xypos ) ;
752 t1 = mathutil::gettimeofday_sec() ;
753 context.self->eToPixel_ += t1-t0 ;
754
755 // call ggridsd
756 Int nvispol = 1 ;
757 Int irow = -1 ;
758 t0 = mathutil::gettimeofday_sec() ;
759 context.self->call_ggridsd2( xypos,
760 chunk->spectra,
761 nvispol,
762 context.self->nchan_,
763 chunk->flagtra,
764 chunk->rflag,
765 chunk->weight,
766 chunk->nrow,
767 irow,
768 context.common.gdataArrC,
769 context.common.gwgtArr,
770 context.common.npoints,
771 context.common.clipMin,
772 context.common.clipWMin,
773 context.common.clipCMin,
774 context.common.clipMax,
775 context.common.clipWMax,
776 context.common.clipCMax,
777 context.common.gnx,
778 context.common.gny,
779 context.self->npol_,
780 context.self->nchan_,
781 context.self->convSupport_,
782 context.self->convSampling_,
783 context.common.convFunc,
784 context.common.chanMap,
785 (Int*)&context.pol ) ;
786 t1 = mathutil::gettimeofday_sec() ;
787 context.self->eGGridSD_ += t1-t0 ;
788
789 delete chunk;
790}
791
792void STGrid::gridPerRowWithClipping()
793{
794 LogIO os( LogOrigin("STGrid", "gridPerRowWithClipping", WHERE) ) ;
795 double t0, t1 ;
796
797
798 // grid data
799 // Extend grid plane with convSupport_
800 // Int gnx = nx_+convSupport_*2 ;
801 // Int gny = ny_+convSupport_*2 ;
802 Int gnx = nx_;
803 Int gny = ny_;
804
805 IPosition gshape( 4, gnx, gny, npol_, nchan_ ) ;
806 IPosition pshape( 3, gnx, gny, npol_ ) ;
807 // 2011/12/20 TN
808 // data_ and gwgtArr share storage
809 data_.resize( gshape ) ;
810 data_ = 0.0 ;
811 STCommonDataWithClipping common = STCommonDataWithClipping( gshape,
812 pshape,
813 data_ ) ;
814 common.gnx = gnx ;
815 common.gny = gny ;
816
817 // parameters for gridding
818 Int *chanMap = new Int[nchan_] ;
819 for ( Int i = 0 ; i < nchan_ ; i++ ) {
820 chanMap[i] = i ;
821 }
822 common.chanMap = chanMap;
823
824 // convolution kernel
825 t0 = mathutil::gettimeofday_sec() ;
826 setConvFunc( common.convFunc ) ;
827 t1 = mathutil::gettimeofday_sec() ;
828 os << LogIO::DEBUGGING << "setConvFunc: elapsed time is " << t1-t0 << " sec." << LogIO::POST ;
829
830 // for performance check
831 eGetData_ = 0.0 ;
832 eToPixel_ = 0.0 ;
833 eGGridSD_ = 0.0 ;
834 double eInitPol = 0.0 ;
835
836 for ( uInt ifile = 0 ; ifile < nfile_ ; ifile++ ) {
837 initTable( ifile ) ;
838
839 os << "start table " << ifile << ": " << infileList_[ifile] << LogIO::POST ;
840 Broker broker = Broker(produceChunk, consumeChunkWithClipping);
841 for ( Int ipol = 0 ; ipol < npol_ ; ipol++ ) {
842 t0 = mathutil::gettimeofday_sec() ;
843 initPol( ipol ) ; // set ptab_ and attach()
844 t1 = mathutil::gettimeofday_sec() ;
845 eInitPol += t1-t0 ;
846
847 STContextWithClipping context(this, common, ipol);
848
849 os << "start pol " << ipol << LogIO::POST ;
850
851 nprocessed_ = 0 ;
852#if 1
853 broker.runProducerAsMasterThread(&context, DO_AHEAD);
854#else
855 for (;;) {
856 bool produced = produceChunk(&context);
857 if (! produced) {
858 break;
859 }
860 consumeChunkWithClipping(&context);
861 }
862#endif
863
864 os << "end pol " << ipol << LogIO::POST ;
865
866 }
867 os << "end table " << ifile << LogIO::POST ;
868 }
869 os << LogIO::DEBUGGING << "initPol: elapsed time is " << eInitPol << " sec." << LogIO::POST ;
870 os << LogIO::DEBUGGING << "getData: elapsed time is " << eGetData_-eToInt-eGetWeight << " sec." << LogIO::POST ;
871 os << LogIO::DEBUGGING << "toPixel: elapsed time is " << eToPixel_ << " sec." << LogIO::POST ;
872 os << LogIO::DEBUGGING << "ggridsd2: elapsed time is " << eGGridSD_ << " sec." << LogIO::POST ;
873 os << LogIO::DEBUGGING << "toInt: elapsed time is " << eToInt << " sec." << LogIO::POST ;
874 os << LogIO::DEBUGGING << "getWeight: elapsed time is " << eGetWeight << " sec." << LogIO::POST ;
875
876 delete chanMap ;
877
878 // clip min and max in each grid
879// os << "BEFORE CLIPPING" << LogIO::POST ;
880// os << "gdataArrC=" << common.gdataArrC << LogIO::POST ;
881// os << "gwgtArr=" << common.gwgtArr << LogIO::POST ;
882 t0 = mathutil::gettimeofday_sec() ;
883 clipMinMax( common.gdataArrC,
884 common.gwgtArr,
885 common.npoints,
886 common.clipMin,
887 common.clipWMin,
888 common.clipCMin,
889 common.clipMax,
890 common.clipWMax,
891 common.clipCMax ) ;
892 t1 = mathutil::gettimeofday_sec() ;
893 os << LogIO::DEBUGGING << "clipMinMax: elapsed time is " << t1-t0 << " sec." << LogIO::POST ;
894// os << "AFTER CLIPPING" << LogIO::POST ;
895// os << "gdataArrC=" << common.gdataArrC << LogIO::POST ;
896// os << "gwgtArr=" << common.gwgtArr << LogIO::POST ;
897
898 // set data
899 setData( common.gdataArrC, common.gwgtArr ) ;
900
901}
902
903void STGrid::clipMinMax( Array<Complex> &grid,
904 Array<Float> &weight,
905 Array<Int> &npoints,
906 Array<Complex> &clipmin,
907 Array<Float> &clipwmin,
908 Array<Float> &clipcmin,
909 Array<Complex> &clipmax,
910 Array<Float> &clipwmax,
911 Array<Float> &clipcmax )
912{
913 //LogIO os( LogOrigin("STGrid","clipMinMax",WHERE) ) ;
914
915 // prepare pointers
916 Bool delG, delW, delNP, delCMin, delCWMin, delCCMin, delCMax, delCWMax, delCCMax ;
917 Complex *grid_p = grid.getStorage( delG ) ;
918 Float *wgt_p = weight.getStorage( delW ) ;
919 const Int *npts_p = npoints.getStorage( delNP ) ;
920 const Complex *cmin_p = clipmin.getStorage( delCMin ) ;
921 const Float *cwmin_p = clipwmin.getStorage( delCWMin ) ;
922 const Float *ccmin_p = clipcmin.getStorage( delCCMin ) ;
923 const Complex *cmax_p = clipmax.getStorage( delCMax ) ;
924 const Float *cwmax_p = clipwmax.getStorage( delCWMax ) ;
925 const Float *ccmax_p = clipcmax.getStorage( delCCMax ) ;
926
927 const IPosition &gshape = grid.shape() ;
928 long offset = gshape[0] * gshape[1] * gshape[2] ; // nx * ny * npol
929 Int nchan = gshape[3] ;
930 long origin = nchan * offset ;
931 for ( long i = 0 ; i < offset ; i++ ) {
932 if ( *npts_p > 2 ) {
933 for ( Int ichan = 0 ; ichan < nchan ; ichan++ ) {
934 // clip minimum and maximum
935 *grid_p -= (*cmin_p)*(*cwmin_p)*(*ccmin_p)
936 + (*cmax_p)*(*cwmax_p)*(*ccmax_p) ;
937 *wgt_p -= (*cwmin_p)*(*ccmin_p)
938 + (*cwmax_p)*(*ccmax_p) ;
939
940 grid_p += offset ;
941 wgt_p += offset ;
942 cmin_p += offset ;
943 cwmin_p += offset ;
944 ccmin_p += offset ;
945 cmax_p += offset ;
946 cwmax_p += offset ;
947 ccmax_p += offset ;
948 }
949 grid_p -= origin ;
950 wgt_p -= origin ;
951 cmin_p -= origin ;
952 cwmin_p -= origin ;
953 ccmin_p -= origin ;
954 cmax_p -= origin ;
955 cwmax_p -= origin ;
956 ccmax_p -= origin ;
957 }
958 grid_p++ ;
959 wgt_p++ ;
960 npts_p++ ;
961 cmin_p++ ;
962 cwmin_p++ ;
963 ccmin_p++ ;
964 cmax_p++ ;
965 cwmax_p++ ;
966 ccmax_p++ ;
967 }
968 grid_p -= offset ;
969 wgt_p -= offset ;
970 npts_p -= offset ;
971 cmin_p -= offset ;
972 cwmin_p -= offset ;
973 ccmin_p -= offset ;
974 cmax_p -= offset ;
975 cwmax_p -= offset ;
976 ccmax_p -= offset ;
977
978 // finalization
979 grid.putStorage( grid_p, delG ) ;
980 weight.putStorage( wgt_p, delW ) ;
981 npoints.freeStorage( npts_p, delNP ) ;
982 clipmin.freeStorage( cmin_p, delCMin ) ;
983 clipwmin.freeStorage( cwmin_p, delCWMin ) ;
984 clipcmin.freeStorage( ccmin_p, delCCMin ) ;
985 clipmax.freeStorage( cmax_p, delCMax ) ;
986 clipwmax.freeStorage( cwmax_p, delCWMax ) ;
987 clipcmax.freeStorage( ccmax_p, delCCMax ) ;
988}
989
990void STGrid::initPol( Int ipol )
991{
992 LogIO os( LogOrigin("STGrid","initPol",WHERE) ) ;
993 if ( npolOrg_ == 1 ) {
994 os << "single polarization data." << LogIO::POST ;
995 ptab_ = tab_ ;
996 }
997 else
998 ptab_ = tab_( tab_.col("POLNO") == pollist_[ipol] ) ;
999
1000 attach( ptab_ ) ;
1001}
1002
1003void STGrid::initTable( uInt idx )
1004{
1005 tab_ = tableList_[idx] ;
1006 nrow_ = rows_[idx] ;
1007 updateChunkShape() ;
1008}
1009
1010void STGrid::setData( Array<Complex> &gdata,
1011 Array<Float> &gwgt )
1012{
1013 // 2011/12/20 TN
1014 // gwgt and data_ share storage
1015 LogIO os( LogOrigin("STGrid","setData",WHERE) ) ;
1016 double t0, t1 ;
1017 t0 = mathutil::gettimeofday_sec() ;
1018 uInt len = data_.nelements() ;
1019 const Complex *w1_p ;
1020 Float *w2_p ;
1021 Bool b1, b2 ;
1022 const Complex *gdata_p = gdata.getStorage( b1 ) ;
1023 Float *gwgt_p = data_.getStorage( b2 ) ;
1024 w1_p = gdata_p ;
1025 w2_p = gwgt_p ;
1026 for ( uInt i = 0 ; i < len ; i++ ) {
1027 if ( *w2_p > 0.0 ) *w2_p = (*w1_p).real() / *w2_p ;
1028 w1_p++ ;
1029 w2_p++ ;
1030 }
1031 gdata.freeStorage( gdata_p, b1 ) ;
1032 data_.putStorage( gwgt_p, b2 ) ;
1033 t1 = mathutil::gettimeofday_sec() ;
1034 os << LogIO::DEBUGGING << "setData: elapsed time is " << t1-t0 << " sec." << LogIO::POST ;
1035}
1036
1037void STGrid::setupGrid()
1038{
1039 Double xmin,xmax,ymin,ymax ;
1040 mapExtent( xmin, xmax, ymin, ymax ) ;
1041
1042 setupGrid( nxUI_, nyUI_, cellxUI_, cellyUI_,
1043 xmin, xmax, ymin, ymax, centerUI_ ) ;
1044}
1045
1046void STGrid::setupGrid( Int &nx,
1047 Int &ny,
1048 String &cellx,
1049 String &celly,
1050 Double &xmin,
1051 Double &xmax,
1052 Double &ymin,
1053 Double &ymax,
1054 String &center )
1055{
1056 LogIO os( LogOrigin("STGrid","setupGrid",WHERE) ) ;
1057 //cout << "nx=" << nx << ", ny=" << ny << endl ;
1058
1059 // center position
1060 if ( center.size() == 0 ) {
1061 center_(0) = 0.5 * ( xmin + xmax ) ;
1062 center_(1) = 0.5 * ( ymin + ymax ) ;
1063 }
1064 else {
1065 String::size_type pos0 = center.find( " " ) ;
1066 if ( pos0 == String::npos ) {
1067 throw AipsError( "bad string format in parameter center" ) ;
1068 }
1069 String::size_type pos1 = center.find( " ", pos0+1 ) ;
1070 String typestr, xstr, ystr ;
1071 if ( pos1 != String::npos ) {
1072 typestr = center.substr( 0, pos0 ) ;
1073 xstr = center.substr( pos0+1, pos1-pos0 ) ;
1074 ystr = center.substr( pos1+1 ) ;
1075 // todo: convert to J2000 (or direction ref for DIRECTION column)
1076 }
1077 else {
1078 typestr = "J2000" ;
1079 xstr = center.substr( 0, pos0 ) ;
1080 ystr = center.substr( pos0+1 ) ;
1081 }
1082 QuantumHolder qh ;
1083 String err ;
1084 qh.fromString( err, xstr ) ;
1085 Quantum<Double> xcen = qh.asQuantumDouble() ;
1086 qh.fromString( err, ystr ) ;
1087 Quantum<Double> ycen = qh.asQuantumDouble() ;
1088 center_(0) = xcen.getValue( "rad" ) ;
1089 center_(1) = ycen.getValue( "rad" ) ;
1090 double base = 0.5 * (xmin + xmax) ;
1091 int maxrotate = 1 ;
1092 int nelem = 2 * maxrotate + 1 ;
1093 double *sep = new double[nelem] ;
1094 for ( int i = 0 ; i < nelem ; i++ )
1095 sep[i] = abs(base - center_[0] - (i-maxrotate) * C::_2pi) ;
1096// os << "sep[0]=" << sep[0] << endl
1097// << "sep[1]=" << sep[1] << endl
1098// << "sep[2]=" << sep[2] << LogIO::POST ;
1099 int idx = 0 ;
1100 base = sep[0] ;
1101 int nrotate = 0 ;
1102 while ( idx < nelem ) {
1103 if ( base > sep[idx] ) {
1104 base = sep[idx] ;
1105 nrotate = idx ;
1106 }
1107 idx++ ;
1108 }
1109 delete sep ;
1110 nrotate -= maxrotate ;
1111// os << "nrotate = " << nrotate << LogIO::POST ;
1112 center_[0] += nrotate * C::_2pi ;
1113 }
1114// os << "xmin=" << xmin << LogIO::POST ;
1115// os << "center_=" << center_ << LogIO::POST ;
1116
1117 nx_ = nx ;
1118 ny_ = ny ;
1119 if ( nx < 0 && ny > 0 ) {
1120 nx_ = ny ;
1121 ny_ = ny ;
1122 }
1123 if ( ny < 0 && nx > 0 ) {
1124 nx_ = nx ;
1125 ny_ = nx ;
1126 }
1127
1128 //Double wx = xmax - xmin ;
1129 //Double wy = ymax - ymin ;
1130 Double wx = max( abs(xmax-center_(0)), abs(xmin-center_(0)) ) * 2 ;
1131 Double wy = max( abs(ymax-center_(1)), abs(ymin-center_(1)) ) * 2 ;
1132 // take 10% margin
1133 wx *= 1.10 ;
1134 wy *= 1.10 ;
1135
1136 Quantum<Double> qcellx ;
1137 Quantum<Double> qcelly ;
1138 //cout << "nx_ = " << nx_ << ", ny_ = " << ny_ << endl ;
1139 if ( cellx.size() != 0 && celly.size() != 0 ) {
1140 readQuantity( qcellx, cellx ) ;
1141 readQuantity( qcelly, celly ) ;
1142 }
1143 else if ( celly.size() != 0 ) {
1144 os << "Using celly to x-axis..." << LogIO::POST ;
1145 readQuantity( qcelly, celly ) ;
1146 qcellx = qcelly ;
1147 }
1148 else if ( cellx.size() != 0 ) {
1149 os << "Using cellx to y-axis..." << LogIO::POST ;
1150 readQuantity( qcellx, cellx ) ;
1151 qcelly = qcellx ;
1152 }
1153 else {
1154 if ( nx_ < 0 ) {
1155 os << "No user preference in grid setting. Using default..." << LogIO::POST ;
1156 readQuantity( qcellx, "1.0arcmin" ) ;
1157 qcelly = qcellx ;
1158 }
1159 else {
1160 if ( wx == 0.0 ) {
1161 os << "Using default spatial extent (10arcmin) in x" << LogIO::POST ;
1162 wx = 0.00290888 ;
1163 }
1164 if ( wy == 0.0 ) {
1165 os << "Using default spatial extent (10arcmin) in y" << LogIO::POST ;
1166 wy = 0.00290888 ;
1167 }
1168 qcellx = Quantum<Double>( wx/nx_, "rad" ) ;
1169 qcelly = Quantum<Double>( wy/ny_, "rad" ) ;
1170 }
1171 }
1172 cellx_ = qcellx.getValue( "rad" ) ;
1173 celly_ = qcelly.getValue( "rad" ) ;
1174 //os << "cellx_=" << cellx_ << ", celly_=" << celly_ << ", cos("<<center_(1)<<")=" << cos(center_(1)) << LogIO::POST ;
1175 if ( nx_ < 0 ) {
1176 if ( wx == 0.0 ) {
1177 os << "Using default spatial extent (10arcmin) in x" << LogIO::POST ;
1178 wx = 0.00290888 ;
1179 }
1180 if ( wy == 0.0 ) {
1181 os << "Using default spatial extent (10arcmin) in y" << LogIO::POST ;
1182 wy = 0.00290888 ;
1183 }
1184 nx_ = Int( ceil( wx/(cellx_/cos(center_[1])) ) ) ;
1185 ny_ = Int( ceil( wy/celly_ ) ) ;
1186 }
1187
1188 // create DirectionCoordinate
1189 Matrix<Double> xform(2,2) ;
1190 xform = 0.0 ;
1191 xform.diagonal() = 1.0 ;
1192 dircoord_ = new DirectionCoordinate(MDirection::J2000,
1193 Projection( Projection::SIN ),
1194 center_[0], center_[1],
1195 -cellx_, celly_,
1196 xform,
1197 0.5*Double(nx_-1),
1198 0.5*Double(ny_-1)) ;
1199}
1200
1201void STGrid::mapExtent( Double &xmin, Double &xmax,
1202 Double &ymin, Double &ymax )
1203{
1204 //LogIO os( LogOrigin("STGrid","mapExtent",WHERE) ) ;
1205 directionCol_.attach( tableList_[0], "DIRECTION" ) ;
1206 Matrix<Double> direction = directionCol_.getColumn() ;
1207 //os << "dirCol.nrow() = " << dirCol.nrow() << LogIO::POST ;
1208 minMax( xmin, xmax, direction.row( 0 ) ) ;
1209 minMax( ymin, ymax, direction.row( 1 ) ) ;
1210 Double amin, amax, bmin, bmax ;
1211 for ( uInt i = 1 ; i < nfile_ ; i++ ) {
1212 directionCol_.attach( tableList_[i], "DIRECTION" ) ;
1213 direction.assign( directionCol_.getColumn() ) ;
1214 //os << "dirCol.nrow() = " << dirCol.nrow() << LogIO::POST ;
1215 // to make contiguous RA distribution (no 2pi jump)
1216 Vector<Double> ra( direction.row(0) ) ;
1217 mathutil::rotateRA( ra ) ;
1218 minMax( amin, amax, direction.row( 0 ) ) ;
1219 minMax( bmin, bmax, direction.row( 1 ) ) ;
1220 xmin = min( xmin, amin ) ;
1221 xmax = max( xmax, amax ) ;
1222 ymin = min( ymin, bmin ) ;
1223 ymax = max( ymax, bmax ) ;
1224 }
1225 //os << "(xmin,xmax)=(" << xmin << "," << xmax << ")" << LogIO::POST ;
1226 //os << "(ymin,ymax)=(" << ymin << "," << ymax << ")" << LogIO::POST ;
1227}
1228
1229void STGrid::table( Table &tab, uInt i )
1230{
1231 if ( i >= 0 && i < nfile_ )
1232 tab = Table( infileList_[i] ) ;
1233}
1234
1235void STGrid::selectData()
1236{
1237 LogIO os( LogOrigin("STGrid","selectData",WHERE) ) ;
1238 Int ifno = ifno_ ;
1239 tableList_.resize( nfile_ ) ;
1240 if ( ifno_ == -1 ) {
1241 //Table taborg( infileList_[0] ) ;
1242 Table taborg ;
1243 table( taborg, 0 ) ;
1244 ROScalarColumn<uInt> ifnoCol( taborg, "IFNO" ) ;
1245 ifno_ = ifnoCol( 0 ) ;
1246 os << LogIO::WARN
1247 << "IFNO is not given. Using default IFNO: " << ifno_ << LogIO::POST ;
1248 }
1249 for ( uInt i = 0 ; i < nfile_ ; i++ ) {
1250 //Table taborg( infileList_[i] ) ;
1251 Table taborg ;
1252 table( taborg, i ) ;
1253 TableExprNode node ;
1254 if ( ifno != -1 || isMultiIF( taborg ) ) {
1255 os << "apply selection on IFNO" << LogIO::POST ;
1256 node = taborg.col("IFNO") == ifno_ ;
1257 }
1258 if ( scanlist_.size() > 0 ) {
1259 os << "apply selection on SCANNO" << LogIO::POST ;
1260 node = node && taborg.col("SCANNO").in( scanlist_ ) ;
1261 }
1262 if ( node.isNull() ) {
1263 tableList_[i] = taborg ;
1264 }
1265 else {
1266 tableList_[i] = taborg( node ) ;
1267 }
1268 os << LogIO::DEBUGGING << "tableList_[" << i << "].nrow()=" << tableList_[i].nrow() << LogIO::POST ;
1269 if ( tableList_[i].nrow() == 0 ) {
1270 os << LogIO::SEVERE
1271 << "No corresponding rows for given selection: IFNO " << ifno_ ;
1272 if ( scanlist_.size() > 0 )
1273 os << " SCANNO " << scanlist_ ;
1274 os << LogIO::EXCEPTION ;
1275 }
1276 }
1277}
1278
1279Bool STGrid::isMultiIF( Table &tab )
1280{
1281 ROScalarColumn<uInt> ifnoCol( tab, "IFNO" ) ;
1282 Vector<uInt> ifnos = ifnoCol.getColumn() ;
1283 return anyNE( ifnos, ifnos[0] ) ;
1284}
1285
1286void STGrid::attach( Table &tab )
1287{
1288 // attach to table
1289 spectraCol_.attach( tab, "SPECTRA" ) ;
1290 flagtraCol_.attach( tab, "FLAGTRA" ) ;
1291 directionCol_.attach( tab, "DIRECTION" ) ;
1292 flagRowCol_.attach( tab, "FLAGROW" ) ;
1293 tsysCol_.attach( tab, "TSYS" ) ;
1294 intervalCol_.attach( tab, "INTERVAL" ) ;
1295}
1296
1297Int STGrid::getDataChunk(
1298 IPosition const &wshape,
1299 IPosition const &vshape,
1300 IPosition const &dshape,
1301 Array<Complex> &spectra,
1302 Array<Double> &direction,
1303 Array<Int> &flagtra,
1304 Array<Int> &rflag,
1305 Array<Float> &weight )
1306{
1307 LogIO os( LogOrigin("STGrid","getDataChunk",WHERE) ) ;
1308
1309 Array<Float> spectraF_(wshape);
1310 Array<uChar> flagtraUC_(wshape);
1311 Array<uInt> rflagUI_(vshape);
1312 Int nrow = getDataChunk( spectraF_, direction, flagtraUC_, rflagUI_, weight ) ;
1313 if ( nrow < nchunk_ ) {
1314 spectra.resize( spectraF_.shape() ) ;
1315 flagtra.resize( flagtraUC_.shape() ) ;
1316 rflag.resize( rflagUI_.shape() ) ;
1317 }
1318 double t0, t1 ;
1319 t0 = mathutil::gettimeofday_sec() ;
1320 convertArray( spectra, spectraF_ ) ;
1321 toInt( flagtraUC_, flagtra ) ;
1322 toInt( rflagUI_, rflag ) ;
1323 t1 = mathutil::gettimeofday_sec() ;
1324 eToInt = t1 - t0 ;
1325
1326 return nrow ;
1327}
1328
1329#if 0
1330Int STGrid::getDataChunk( Array<Complex> &spectra,
1331 Array<Double> &direction,
1332 Array<Int> &flagtra,
1333 Array<Int> &rflag,
1334 Array<Float> &weight )
1335{
1336 LogIO os( LogOrigin("STGrid","getDataChunk",WHERE) ) ;
1337 Int nrow = getDataChunk( spectraF_, direction, flagtraUC_, rflagUI_, weight ) ;
1338 if ( nrow < nchunk_ ) {
1339 spectra.resize( spectraF_.shape() ) ;
1340 flagtra.resize( flagtraUC_.shape() ) ;
1341 rflag.resize( rflagUI_.shape() ) ;
1342 }
1343 double t0, t1 ;
1344 t0 = mathutil::gettimeofday_sec() ;
1345 convertArray( spectra, spectraF_ ) ;
1346 toInt( flagtraUC_, flagtra ) ;
1347 toInt( rflagUI_, rflag ) ;
1348 t1 = mathutil::gettimeofday_sec() ;
1349 eToInt = t1 - t0 ;
1350
1351 return nrow ;
1352}
1353#endif
1354
1355Int STGrid::getDataChunk( Array<Float> &spectra,
1356 Array<Double> &direction,
1357 Array<uChar> &flagtra,
1358 Array<uInt> &rflag,
1359 Array<Float> &weight )
1360{
1361 LogIO os( LogOrigin("STGrid","getDataChunk",WHERE) ) ;
1362 Int nrow = spectra.shape()[1] ;
1363 Int remainingRow = nrow_ - nprocessed_ ;
1364 if ( remainingRow < nrow ) {
1365 nrow = remainingRow ;
1366 IPosition mshape( 2, nchan_, nrow ) ;
1367 IPosition vshape( 1, nrow ) ;
1368 spectra.resize( mshape ) ;
1369 flagtra.resize( mshape ) ;
1370 direction.resize( IPosition(2,2,nrow) ) ;
1371 rflag.resize( vshape ) ;
1372 weight.resize( mshape ) ;
1373 }
1374 // 2011/12/22 TN
1375 // tsys shares its storage with weight
1376 Array<Float> tsys( weight ) ;
1377 Array<Double> tint( rflag.shape() ) ;
1378
1379 Vector<uInt> rflagVec( rflag ) ;
1380 Vector<Double> tintVec( tint ) ;
1381
1382 RefRows rows( nprocessed_, nprocessed_+nrow-1, 1 ) ;
1383 //os<<LogIO::DEBUGGING<<"nprocessed_="<<nprocessed_<<": rows.nrows()="<<rows.nrows()<<LogIO::POST ;
1384 spectraCol_.getColumnCells( rows, spectra ) ;
1385 flagtraCol_.getColumnCells( rows, flagtra ) ;
1386 directionCol_.getColumnCells( rows, direction ) ;
1387 // to make contiguous RA distribution (no 2pi jump)
1388 Vector<Double> v( Matrix<Double>(direction).row(0) ) ;
1389 mathutil::rotateRA( v ) ;
1390 flagRowCol_.getColumnCells( rows, rflagVec ) ;
1391 intervalCol_.getColumnCells( rows, tintVec ) ;
1392 Vector<Float> tsysTemp = tsysCol_( nprocessed_ ) ;
1393 if ( tsysTemp.nelements() == (uInt)nchan_ )
1394 tsysCol_.getColumnCells( rows, tsys ) ;
1395 else
1396 tsys = tsysTemp[0] ;
1397
1398 double t0,t1 ;
1399 t0 = mathutil::gettimeofday_sec() ;
1400 getWeight( weight, tsys, tint ) ;
1401 t1 = mathutil::gettimeofday_sec() ;
1402 eGetWeight += t1-t0 ;
1403
1404 nprocessed_ += nrow ;
1405
1406 return nrow ;
1407}
1408
1409void STGrid::setupArray()
1410{
1411 LogIO os( LogOrigin("STGrid","setupArray",WHERE) ) ;
1412 ROScalarColumn<uInt> polnoCol( tableList_[0], "POLNO" ) ;
1413 Vector<uInt> pols = polnoCol.getColumn() ;
1414 //os << pols << LogIO::POST ;
1415 Vector<uInt> pollistOrg ;
1416 npolOrg_ = 0 ;
1417 uInt polno ;
1418 for ( uInt i = 0 ; i < polnoCol.nrow() ; i++ ) {
1419 //polno = polnoCol( i ) ;
1420 polno = pols( i ) ;
1421 if ( allNE( pollistOrg, polno ) ) {
1422 pollistOrg.resize( npolOrg_+1, True ) ;
1423 pollistOrg[npolOrg_] = polno ;
1424 npolOrg_++ ;
1425 }
1426 }
1427 if ( pollist_.size() == 0 )
1428 pollist_ = pollistOrg ;
1429 else {
1430 Vector<uInt> newlist ;
1431 uInt newsize = 0 ;
1432 for ( uInt i = 0 ; i < pollist_.size() ; i++ ) {
1433 if ( anyEQ( pollistOrg, pollist_[i] ) ) {
1434 newlist.resize( newsize+1, True ) ;
1435 newlist[newsize] = pollist_[i] ;
1436 newsize++ ;
1437 }
1438 }
1439 pollist_.assign( newlist ) ;
1440 }
1441 npol_ = pollist_.size() ;
1442 if ( npol_ == 0 ) {
1443 os << LogIO::SEVERE << "Empty pollist" << LogIO::EXCEPTION ;
1444 }
1445 rows_.resize( nfile_ ) ;
1446 for ( uInt i = 0 ; i < nfile_ ; i++ ) {
1447 rows_[i] = tableList_[i].nrow() / npolOrg_ ;
1448 //if ( nrow_ < rows_[i] )
1449 // nrow_ = rows_[i] ;
1450 }
1451 flagtraCol_.attach( tableList_[0], "FLAGTRA" ) ;
1452 nchan_ = flagtraCol_( 0 ).nelements() ;
1453// os << "npol_ = " << npol_ << "(" << pollist_ << ")" << endl
1454// << "nchan_ = " << nchan_ << endl
1455// << "nrow_ = " << nrow_ << LogIO::POST ;
1456}
1457
1458void STGrid::getWeight( Array<Float> &w,
1459 Array<Float> &tsys,
1460 Array<Double> &tint )
1461{
1462 LogIO os( LogOrigin("STGrid","getWeight",WHERE) ) ;
1463
1464 // 2011/12/22 TN
1465 // w (weight) and tsys share storage
1466 IPosition refShape = tsys.shape() ;
1467 Int nchan = refShape[0] ;
1468 Int nrow = refShape[1] ;
1469// os << "nchan=" << nchan << ", nrow=" << nrow << LogIO::POST ;
1470// os << "w.shape()=" << w.shape() << endl
1471// << "tsys.shape()=" << tsys.shape() << endl
1472// << "tint.shape()=" << tint.shape() << LogIO::POST ;
1473
1474 // set weight
1475 if ( wtype_.compare( "UNIFORM" ) == 0 ) {
1476 w = 1.0 ;
1477 }
1478 else if ( wtype_.compare( "TINT" ) == 0 ) {
1479 Bool b0, b1 ;
1480 Float *w_p = w.getStorage( b0 ) ;
1481 Float *w0_p = w_p ;
1482 const Double *ti_p = tint.getStorage( b1 ) ;
1483 const Double *w1_p = ti_p ;
1484 for ( Int irow = 0 ; irow < nrow ; irow++ ) {
1485 for ( Int ichan = 0 ; ichan < nchan ; ichan++ ) {
1486 *w0_p = *w1_p ;
1487 w0_p++ ;
1488 }
1489 w1_p++ ;
1490 }
1491 w.putStorage( w_p, b0 ) ;
1492 tint.freeStorage( ti_p, b1 ) ;
1493 }
1494 else if ( wtype_.compare( "TSYS" ) == 0 ) {
1495 Bool b0 ;
1496 Float *w_p = w.getStorage( b0 ) ;
1497 Float *w0_p = w_p ;
1498 for ( Int irow = 0 ; irow < nrow ; irow++ ) {
1499 for ( Int ichan = 0 ; ichan < nchan ; ichan++ ) {
1500 Float temp = *w0_p ;
1501 *w0_p = 1.0 / ( temp * temp ) ;
1502 w0_p++ ;
1503 }
1504 }
1505 w.putStorage( w_p, b0 ) ;
1506 }
1507 else if ( wtype_.compare( "TINTSYS" ) == 0 ) {
1508 Bool b0, b1 ;
1509 Float *w_p = w.getStorage( b0 ) ;
1510 Float *w0_p = w_p ;
1511 const Double *ti_p = tint.getStorage( b1 ) ;
1512 const Double *w1_p = ti_p ;
1513 for ( Int irow = 0 ; irow < nrow ; irow++ ) {
1514 Float interval = *w1_p ;
1515 for ( Int ichan = 0 ; ichan < nchan ; ichan++ ) {
1516 Float temp = *w0_p ;
1517 *w0_p = interval / ( temp * temp ) ;
1518 w0_p++ ;
1519 }
1520 w1_p++ ;
1521 }
1522 w.putStorage( w_p, b0 ) ;
1523 tint.freeStorage( ti_p, b1 ) ;
1524 }
1525 else {
1526 //LogIO os( LogOrigin("STGrid", "getWeight", WHERE) ) ;
1527 //os << LogIO::WARN << "Unsupported weight type '" << wtype_ << "', apply UNIFORM weight" << LogIO::POST ;
1528 w = 1.0 ;
1529 }
1530}
1531
1532void STGrid::toInt( Array<uChar> &u, Array<Int> &v )
1533{
1534 uInt len = u.nelements() ;
1535 Int *int_p = new Int[len] ;
1536 Bool deleteIt ;
1537 const uChar *data_p = u.getStorage( deleteIt ) ;
1538 Int *i_p = int_p ;
1539 const uChar *u_p = data_p ;
1540 for ( uInt i = 0 ; i < len ; i++ ) {
1541 *i_p = ( *u_p == 0 ) ? 0 : 1 ;
1542 i_p++ ;
1543 u_p++ ;
1544 }
1545 u.freeStorage( data_p, deleteIt ) ;
1546 v.takeStorage( u.shape(), int_p, TAKE_OVER ) ;
1547}
1548
1549void STGrid::toInt( Array<uInt> &u, Array<Int> &v )
1550{
1551 uInt len = u.nelements() ;
1552 Int *int_p = new Int[len] ;
1553 Bool deleteIt ;
1554 const uInt *data_p = u.getStorage( deleteIt ) ;
1555 Int *i_p = int_p ;
1556 const uInt *u_p = data_p ;
1557 for ( uInt i = 0 ; i < len ; i++ ) {
1558 *i_p = ( *u_p == 0 ) ? 0 : 1 ;
1559 i_p++ ;
1560 u_p++ ;
1561 }
1562 u.freeStorage( data_p, deleteIt ) ;
1563 v.takeStorage( u.shape(), int_p, TAKE_OVER ) ;
1564}
1565
1566void STGrid::toPixel( Array<Double> &world, Array<Double> &pixel )
1567{
1568 uInt nrow = world.shape()[1] ;
1569 Bool bw, bp ;
1570 Double *w_p = world.getStorage( bw ) ;
1571 Double *p_p = pixel.getStorage( bp ) ;
1572 Double *ww_p = w_p ;
1573 Double *wp_p = p_p ;
1574 IPosition vshape( 1, 2 ) ;
1575 Vector<Double> _world, _pixel ;
1576 for ( uInt i = 0 ; i < nrow ; i++ ) {
1577 _world.takeStorage( vshape, ww_p, SHARE ) ;
1578 _pixel.takeStorage( vshape, wp_p, SHARE ) ;
1579 dircoord_->toPixel( _pixel, _world ) ;
1580 ww_p += 2 ;
1581 wp_p += 2 ;
1582 }
1583 world.putStorage( w_p, bw ) ;
1584 pixel.putStorage( p_p, bp ) ;
1585}
1586
1587void STGrid::boxFunc( Vector<Float> &convFunc, Int &convSize )
1588{
1589 convFunc = 0.0 ;
1590 for ( Int i = 0 ; i < convSize/2 ; i++ )
1591 convFunc(i) = 1.0 ;
1592}
1593
1594#define NEED_UNDERSCORES
1595#if defined(NEED_UNDERSCORES)
1596#define grdsf grdsf_
1597#define grdgauss grdgauss_
1598#define grdjinc1 grdjinc1_
1599#endif
1600#if defined(USE_CASAPY)
1601extern "C" {
1602 void grdsf(Double*, Double*);
1603 void grdgauss(Double*, Double*, Double*);
1604 void grdjinc1(Double*, Double*, Int*, Double*);
1605}
1606#else
1607extern "C" {
1608 void grdsf(Double*, Double*);
1609}
1610void grdgauss(Double *hwhm, Double *val, Double *out)
1611{
1612 *out = exp(-log(2.0) * (*val / *hwhm) * (*val / *hwhm));
1613}
1614void grdjinc1(Double *c, Double *val, Int *normalize, Double *out)
1615{
1616 // Calculate J_1(x) using approximate formula
1617 Double x = C::pi * *val / *c;
1618 Double ax = fabs(x);
1619 Double ans;
1620 if ( ax < 8.0 ) {
1621 Double y = x * x;
1622 Double ans1 = x * (72362614232.0 + y * (-7895059235.0
1623 + y * (242396853.1 + y * (-2972611.439
1624 + y * (15704.48260 + y * (-30.16036606))))));
1625 Double ans2 = 144725228442.0 + y * (2300535178.0
1626 + y * (18583304.74 + y * (99447.43394
1627 + y * (376.9991397 + y * 1.0))));
1628 ans = ans1 / ans2;
1629 }
1630 else {
1631 Double z = 8.0 / ax;
1632 Double y = z * z;
1633 Double xx = ax - 2.356194491;
1634 Double ans1 = 1.0 + y * (0.183105e-2 + y * (-0.3516396496e-4
1635 + y * (0.2457520174e-5 + y * (-0.240337019e-6))));
1636 Double ans2 = 0.04687499995 + y * (-0.2002690873e-3
1637 + y * (0.8449199096e-5 + y * (-0.88228987e-6
1638 + y * (0.105787412e-6))));
1639 ans = sqrt(0.636619772 / ax) * (cos(xx) * ans1
1640 - z * sin(xx) * ans2);
1641 if (x < 0.0)
1642 ans = -ans;
1643 }
1644
1645 // Then, calculate Jinc
1646 if (x == 0.0) {
1647 *out = 0.5;
1648 }
1649 else {
1650 *out = ans / x;
1651 }
1652
1653 if (*normalize == 1)
1654 *out = *out / 0.5;
1655}
1656#endif
1657void STGrid::spheroidalFunc( Vector<Float> &convFunc )
1658{
1659 convFunc = 0.0 ;
1660 for ( Int i = 0 ; i < convSampling_*convSupport_ ; i++ ) {
1661 Double nu = Double(i) / Double(convSupport_*convSampling_) ;
1662 Double val ;
1663 grdsf( &nu, &val ) ;
1664 convFunc(i) = ( 1.0 - nu * nu ) * val ;
1665 }
1666}
1667
1668void STGrid::gaussFunc( Vector<Float> &convFunc, Double hwhm, Double truncate )
1669{
1670 convFunc = 0.0 ;
1671 Int len = (Int)(truncate*Double(convSampling_)+0.5);
1672 Double out, val;
1673 for ( Int i = 0 ; i < len ; i++ ) {
1674 val = Double(i) / Double(convSampling_) ;
1675 grdgauss(&hwhm, &val, &out);
1676 convFunc(i) = out;
1677 }
1678}
1679
1680void STGrid::gjincFunc( Vector<Float> &convFunc, Double hwhm, Double c, Double truncate )
1681{
1682 convFunc = 0.0;
1683 Double out1, out2, val;
1684 Int normalize = 1;
1685 if (truncate >= 0.0) {
1686 Int len = (Int)(truncate*Double(convSampling_)+0.5);
1687 for (Int i = 0 ; i < len ; i++) {
1688 val = Double(i) / Double(convSampling_);
1689 grdgauss(&hwhm, &val, &out1);
1690 grdjinc1(&c, &val, &normalize, &out2);
1691 convFunc(i) = out1 * out2;
1692 }
1693 }
1694 else {
1695 Int len = convFunc.nelements();
1696 for (Int i = 0 ; i < len ; i++) {
1697 val = Double(i) / Double(convSampling_);
1698 grdjinc1(&c, &val, &normalize, &out2);
1699 if (out2 <= 0.0) {
1700 LogIO os(LogOrigin("STGrid","gjincFunc",WHERE));
1701 os << LogIO::DEBUG1 << "convFunc is automatically truncated at radius " << val << LogIO::POST;
1702 break;
1703 }
1704 grdgauss(&hwhm, &val, &out1);
1705 convFunc(i) = out1 * out2;
1706 }
1707 }
1708}
1709
1710void STGrid::pbFunc( Vector<Float> &convFunc )
1711{
1712 convFunc = 0.0 ;
1713}
1714
1715vector<float> STGrid::getConvFunc()
1716{
1717 LogIO os(LogOrigin("STGrid","getConvFunc",WHERE));
1718 Vector<Float> convFunc;
1719 vector<float> out;
1720
1721 if (cellx_ <= 0.0 || celly_ <= 0.0) {
1722 selectData();
1723 setupGrid();
1724 }
1725
1726 if (convType_ == "BOX" || convType_ == "SF") {
1727 setConvFunc(convFunc);
1728 }
1729 else if (convType_ == "GAUSS") {
1730 Quantum<Double> q1,q2;
1731 readQuantity(q1,gwidth_);
1732 readQuantity(q2,truncate_);
1733// if (celly_ <= 0.0
1734// && ((!q1.getUnit().empty()&&q1.getUnit()!="pixel") ||
1735// (!q2.getUnit().empty()&&q2.getUnit()!="pixel"))) {
1736// throw AipsError("You have to call defineImage to get correct convFunc");
1737// }
1738 setConvFunc(convFunc);
1739 }
1740 else if (convType_ == "GJINC") {
1741 Quantum<Double> q1,q2,q3;
1742 readQuantity(q1,gwidth_);
1743 readQuantity(q2,truncate_);
1744 readQuantity(q3,jwidth_);
1745// if (celly_ <= 0.0
1746// && ((!q1.getUnit().empty()&&q1.getUnit()!="pixel") ||
1747// (!q2.getUnit().empty()&&q2.getUnit()!="pixel") ||
1748// (!q3.getUnit().empty()&&q3.getUnit()!="pixel"))) {
1749// throw AipsError("You have to call defineImage to get correct convFunc");
1750// }
1751 setConvFunc(convFunc);
1752 }
1753 else if (convType_ == "PB") {
1754 throw AipsError("Grid function PB is not available");
1755 }
1756 else {
1757 throw AipsError("Unknown grid function: "+convType_);
1758 }
1759
1760 convFunc.tovector(out);
1761 return out;
1762}
1763
1764void STGrid::setConvFunc( Vector<Float> &convFunc )
1765{
1766 LogIO os(LogOrigin("STGrid","setConvFunc",WHERE));
1767 convSupport_ = userSupport_ ;
1768 if ( convType_ == "BOX" ) {
1769 if ( convSupport_ < 0 )
1770 convSupport_ = 0 ;
1771 Int convSize = convSampling_ * ( 2 * convSupport_ + 2 ) ;
1772 convFunc.resize( convSize ) ;
1773 boxFunc( convFunc, convSize ) ;
1774 os << LogIO::DEBUGGING
1775 << "convType_ = " << convType_ << endl
1776 << "convSupport_ = " << convSupport_ << LogIO::POST;
1777 }
1778 else if ( convType_ == "SF" ) {
1779 if ( convSupport_ < 0 )
1780 convSupport_ = 3 ;
1781 Int convSize = convSampling_ * ( 2 * convSupport_ + 2 ) ;
1782 convFunc.resize( convSize ) ;
1783 spheroidalFunc( convFunc ) ;
1784 os << LogIO::DEBUGGING
1785 << "convType_ = " << convType_ << endl
1786 << "convSupport_ = " << convSupport_ << LogIO::POST;
1787 }
1788 else if ( convType_ == "GAUSS" ) {
1789 // determine pixel gwidth
1790 // default is HWHM corresponding to b = 1.0 (Mangum et al. 2007)
1791 Double pixelGW;
1792 Quantum<Double> q ;
1793 if (!gwidth_.empty()) {
1794 readQuantity( q, gwidth_ );
1795 if ( q.getUnit().empty() || q.getUnit()=="pixel" ) {
1796 pixelGW = q.getValue();
1797 }
1798 else {
1799 pixelGW = q.getValue("rad")/celly_;
1800 }
1801 }
1802 pixelGW = (pixelGW >= 0.0) ? pixelGW : sqrt(log(2.0));
1803 if (pixelGW < 0.0) {
1804 os << LogIO::SEVERE
1805 << "Negative width is specified for gaussian" << LogIO::EXCEPTION;
1806 }
1807 // determine truncation radius
1808 // default is 3 * HWHM
1809 Double truncate;
1810 if (!truncate_.empty()) {
1811 readQuantity( q, truncate_ );
1812 if ( q.getUnit().empty() || q.getUnit()=="pixel" ) {
1813 truncate = q.getValue();
1814 }
1815 else {
1816 truncate = q.getValue("rad")/celly_;
1817 }
1818 }
1819 //convSupport_ = (Int)(truncate+0.5);
1820 truncate = (truncate >= 0.0) ? truncate : 3.0 * pixelGW;
1821 convSupport_ = Int(truncate);
1822 convSupport_ += (((truncate-(Double)convSupport_) > 0.0) ? 1 : 0);
1823 Int convSize = convSampling_ * ( 2*convSupport_ + 2 ) ;
1824 convFunc.resize( convSize ) ;
1825 gaussFunc( convFunc, pixelGW, truncate ) ;
1826 os << LogIO::DEBUGGING
1827 << "convType_ = " << convType_ << endl
1828 << "convSupport_ = " << convSupport_ << endl
1829 << "truncate_ = " << truncate << "pixel" << endl
1830 << "gwidth_ = " << pixelGW << "pixel" << LogIO::POST;
1831 }
1832 else if ( convType_ == "GJINC" ) {
1833 // determine pixel gwidth
1834 // default is HWHM corresponding to b = 2.52 (Mangum et al. 2007)
1835 Double pixelGW;
1836 Quantum<Double> q ;
1837 if (!gwidth_.empty()) {
1838 readQuantity( q, gwidth_ );
1839 if ( q.getUnit().empty() || q.getUnit()=="pixel" ) {
1840 pixelGW = q.getValue();
1841 }
1842 else {
1843 pixelGW = q.getValue("rad")/celly_;
1844 }
1845 }
1846 pixelGW = (pixelGW >= 0.0) ? pixelGW : sqrt(log(2.0)) * 2.52;
1847 if (pixelGW < 0.0) {
1848 os << LogIO::SEVERE
1849 << "Negative width is specified for gaussian" << LogIO::EXCEPTION;
1850 }
1851 // determine pixel c
1852 // default is c = 1.55 (Mangum et al. 2007)
1853 Double pixelJW;
1854 if (!jwidth_.empty()) {
1855 readQuantity( q, jwidth_ );
1856 if ( q.getUnit().empty() || q.getUnit()=="pixel" ) {
1857 pixelJW = q.getValue();
1858 }
1859 else {
1860 pixelJW = q.getValue("rad")/celly_;
1861 }
1862 }
1863 pixelJW = (pixelJW >= 0.0) ? pixelJW : 1.55;
1864 if (pixelJW < 0.0) {
1865 os << LogIO::SEVERE
1866 << "Negative width is specified for jinc" << LogIO::EXCEPTION;
1867 }
1868 // determine truncation radius
1869 // default is -1.0 (truncate at first null)
1870 Double truncate = -1.0;
1871 if (!truncate_.empty()) {
1872 readQuantity( q, truncate_ );
1873 if ( q.getUnit().empty() || q.getUnit()=="pixel" ) {
1874 truncate = q.getValue();
1875 }
1876 else {
1877 truncate = q.getValue("rad")/celly_;
1878 }
1879 }
1880 //convSupport_ = (truncate >= 0.0) ? (Int)(truncate+0.5) : (Int)(2*pixelJW+0.5);
1881 Double convSupportF = (truncate >= 0.0) ? truncate : (2*pixelJW);
1882 convSupport_ = (Int)convSupportF;
1883 convSupport_ += (((convSupportF-(Double)convSupport_) > 0.0) ? 1 : 0);
1884 Int convSize = convSampling_ * ( 2*convSupport_ + 2 ) ;
1885 convFunc.resize( convSize ) ;
1886 gjincFunc( convFunc, pixelGW, pixelJW, truncate ) ;
1887 os << LogIO::DEBUGGING
1888 << "convType_ = " << convType_ << endl
1889 << "convSupport_ = " << convSupport_ << endl
1890 << "truncate_ = " << truncate << "pixel" << endl
1891 << "gwidth_ = " << pixelGW << "pixel" << endl
1892 << "jwidth_ = " << pixelJW << "pixel" << LogIO::POST;
1893 }
1894 else if ( convType_ == "PB" ) {
1895 if ( convSupport_ < 0 )
1896 convSupport_ = 0 ;
1897 pbFunc( convFunc ) ;
1898 }
1899 else {
1900 throw AipsError( "Unsupported convolution function" ) ;
1901 }
1902}
1903
1904string STGrid::saveData( string outfile )
1905{
1906 LogIO os( LogOrigin("STGrid", "saveData", WHERE) ) ;
1907 double t0, t1 ;
1908 t0 = mathutil::gettimeofday_sec() ;
1909
1910 //Int polno = 0 ;
1911 String outfile_ ;
1912 if ( outfile.size() == 0 ) {
1913 if ( infileList_[0].lastchar() == '/' ) {
1914 outfile_ = infileList_[0].substr( 0, infileList_[0].size()-1 ) ;
1915 }
1916 else {
1917 outfile_ = infileList_[0] ;
1918 }
1919 outfile_ += ".grid" ;
1920 }
1921 else {
1922 outfile_ = outfile ;
1923 }
1924 Table tab ;
1925 prepareTable( tab, outfile_ ) ;
1926 fillTable( tab ) ;
1927
1928 t1 = mathutil::gettimeofday_sec() ;
1929 os << LogIO::DEBUGGING << "saveData: elapsed time is " << t1-t0 << " sec." << LogIO::POST ;
1930
1931 return outfile_ ;
1932}
1933
1934void STGrid::prepareTable( Table &tab, String &name )
1935{
1936 Table t( infileList_[0], Table::Old ) ;
1937 t.deepCopy( name, Table::New, False, t.endianFormat(), True ) ;
1938 tab = Table( name, Table::Update ) ;
1939 // 2012/02/13 TN
1940 // explicitly copy subtables since no rows including subtables are
1941 // copied by Table::deepCopy with noRows=True
1942 //TableCopy::copySubTables( tab, t ) ;
1943 const TableRecord &inrec = t.keywordSet();
1944 TableRecord &outrec = tab.rwKeywordSet();
1945 for (uInt i = 0 ; i < inrec.nfields() ; i++) {
1946 if (inrec.type(i) == TpTable) {
1947 String name = inrec.name(i);
1948 Table intable = inrec.asTable(name);
1949 Table outtable = outrec.asTable(name);
1950 TableCopy::copyRows(outtable, intable);
1951 }
1952 }
1953}
1954
1955void STGrid::fillTable( Table &tab )
1956{
1957 IPosition dshape = data_.shape() ;
1958 Int nrow = nx_ * ny_ * npol_ ;
1959 tab.rwKeywordSet().define( "nPol", npol_ ) ;
1960 tab.addRow( nrow ) ;
1961 Vector<Double> cpix( 2 ) ;
1962 cpix(0) = Double( nx_ - 1 ) * 0.5 ;
1963 cpix(1) = Double( ny_ - 1 ) * 0.5 ;
1964 Vector<Double> dir( 2 ) ;
1965 Vector<Double> pix( 2 );
1966 ArrayColumn<Double> directionCol( tab, "DIRECTION" ) ;
1967 ArrayColumn<Float> spectraCol( tab, "SPECTRA" ) ;
1968 ScalarColumn<uInt> polnoCol( tab, "POLNO" ) ;
1969 ScalarColumn<uInt> scannoCol( tab, "SCANNO" ) ;
1970 Int irow = 0 ;
1971 Vector<Float> sp( nchan_ ) ;
1972 Bool bsp, bdata ;
1973 const Float *data_p = data_.getStorage( bdata ) ;
1974 Float *wsp_p, *sp_p ;
1975 const Float *wdata_p = data_p ;
1976 long step = nx_ * ny_ * npol_ ;
1977 long offset ;
1978 uInt scanno = 0 ;
1979 for ( Int iy = 0 ; iy < ny_ ; iy++ ) {
1980 pix(1) = (Double)(iy);
1981 for ( Int ix = 0 ; ix < nx_ ; ix++ ) {
1982 pix(0) = (Double)(nx_-1-ix);
1983 dircoord_->toWorld(dir,pix);
1984 //os << "dir[" << ix << "," << iy << "]=" << dir << LogIO::POST;
1985 for ( Int ipol = 0 ; ipol < npol_ ; ipol++ ) {
1986 offset = ix + nx_ * (iy + ipol * ny_) ;
1987 //os << "offset = " << offset << LogIO::POST ;
1988 sp_p = sp.getStorage( bsp ) ;
1989 wsp_p = sp_p ;
1990 wdata_p = data_p + offset ;
1991 for ( Int ichan = 0 ; ichan < nchan_ ; ichan++ ) {
1992 *wsp_p = *wdata_p ;
1993 wsp_p++ ;
1994 wdata_p += step ;
1995 }
1996 sp.putStorage( sp_p, bsp ) ;
1997 spectraCol.put( irow, sp ) ;
1998 directionCol.put( irow, dir ) ;
1999 polnoCol.put( irow, pollist_[ipol] ) ;
2000 scannoCol.put( irow, scanno ) ;
2001 irow++ ;
2002 }
2003 scanno++ ;
2004 }
2005 }
2006 data_.freeStorage( data_p, bdata ) ;
2007
2008 fillMainColumns( tab ) ;
2009}
2010
2011void STGrid::fillMainColumns( Table &tab )
2012{
2013 // values for fill
2014 //Table t( infileList_[0], Table::Old ) ;
2015 Table t ;
2016 table( t, 0 ) ;
2017 Table tsel = t( t.col( "IFNO" ) == (uInt)ifno_, 1 ) ;
2018 ROTableRow row( tsel ) ;
2019 row.get( 0 ) ;
2020 const TableRecord &rec = row.record() ;
2021 uInt freqId = rec.asuInt( "FREQ_ID" ) ;
2022 uInt molId = rec.asuInt( "MOLECULE_ID" ) ;
2023 uInt tcalId = rec.asuInt( "TCAL_ID" ) ;
2024 uInt focusId = rec.asuInt( "FOCUS_ID" ) ;
2025 uInt weatherId = rec.asuInt( "WEATHER_ID" ) ;
2026 String srcname = rec.asString( "SRCNAME" ) ;
2027 String fieldname = rec.asString( "FIELDNAME" ) ;
2028 Vector<Float> defaultTsys( 1, 1.0 ) ;
2029 // @todo how to set flagtra for gridded spectra?
2030 Vector<uChar> flagtra = rec.asArrayuChar( "FLAGTRA" ) ;
2031 flagtra = (uChar)0 ;
2032 Float opacity = rec.asFloat( "OPACITY" ) ;
2033 Double srcvel = rec.asDouble( "SRCVELOCITY" ) ;
2034 Vector<Double> srcpm = rec.asArrayDouble( "SRCPROPERMOTION" ) ;
2035 Vector<Double> srcdir = rec.asArrayDouble( "SRCDIRECTION" ) ;
2036 Vector<Double> scanrate = rec.asArrayDouble( "SCANRATE" ) ;
2037 Double time = rec.asDouble( "TIME" ) ;
2038 Double interval = rec.asDouble( "INTERVAL" ) ;
2039
2040 // fill columns
2041 Int nrow = tab.nrow() ;
2042 ScalarColumn<uInt> ifnoCol( tab, "IFNO" ) ;
2043 ScalarColumn<uInt> beamnoCol(tab, "BEAMNO");
2044 ScalarColumn<uInt> freqIdCol( tab, "FREQ_ID" ) ;
2045 ScalarColumn<uInt> molIdCol( tab, "MOLECULE_ID" ) ;
2046 ScalarColumn<uInt> tcalidCol( tab, "TCAL_ID" ) ;
2047 ScalarColumn<Int> fitidCol( tab, "FIT_ID" ) ;
2048 ScalarColumn<uInt> focusidCol( tab, "FOCUS_ID" ) ;
2049 ScalarColumn<uInt> weatheridCol( tab, "WEATHER_ID" ) ;
2050 ArrayColumn<uChar> flagtraCol( tab, "FLAGTRA" ) ;
2051 ScalarColumn<uInt> rflagCol( tab, "FLAGROW" ) ;
2052 ArrayColumn<Float> tsysCol( tab, "TSYS" ) ;
2053 ScalarColumn<String> srcnameCol( tab, "SRCNAME" ) ;
2054 ScalarColumn<String> fieldnameCol( tab, "FIELDNAME" ) ;
2055 ScalarColumn<Int> srctypeCol( tab, "SRCTYPE" ) ;
2056 ScalarColumn<Float> opacityCol( tab, "OPACITY" ) ;
2057 ScalarColumn<Double> srcvelCol( tab, "SRCVELOCITY" ) ;
2058 ArrayColumn<Double> srcpmCol( tab, "SRCPROPERMOTION" ) ;
2059 ArrayColumn<Double> srcdirCol( tab, "SRCDIRECTION" ) ;
2060 ArrayColumn<Double> scanrateCol( tab, "SCANRATE" ) ;
2061 ScalarColumn<Double> timeCol( tab, "TIME" ) ;
2062 ScalarColumn<Double> intervalCol( tab, "INTERVAL" ) ;
2063 for ( Int i = 0 ; i < nrow ; i++ ) {
2064 ifnoCol.put( i, (uInt)ifno_ ) ;
2065 beamnoCol.put(i, 0);
2066 freqIdCol.put( i, freqId ) ;
2067 molIdCol.put( i, molId ) ;
2068 tcalidCol.put( i, tcalId ) ;
2069 fitidCol.put( i, -1 ) ;
2070 focusidCol.put( i, focusId ) ;
2071 weatheridCol.put( i, weatherId ) ;
2072 flagtraCol.put( i, flagtra ) ;
2073 rflagCol.put( i, 0 ) ;
2074 tsysCol.put( i, defaultTsys ) ;
2075 srcnameCol.put( i, srcname ) ;
2076 fieldnameCol.put( i, fieldname ) ;
2077 srctypeCol.put( i, (Int)SrcType::PSON ) ;
2078 opacityCol.put( i, opacity ) ;
2079 srcvelCol.put( i, srcvel ) ;
2080 srcpmCol.put( i, srcpm ) ;
2081 srcdirCol.put( i, srcdir ) ;
2082 scanrateCol.put( i, scanrate ) ;
2083 timeCol.put( i, time ) ;
2084 intervalCol.put( i, interval ) ;
2085 }
2086}
2087
2088vector<int> STGrid::getResultantMapSize()
2089{
2090 vector<int> r(2);
2091 r[0] = nx_;
2092 r[1] = ny_;
2093 return r;
2094}
2095
2096vector<double> STGrid::getResultantCellSize()
2097{
2098 vector<double> r(2);
2099 r[0] = cellx_;
2100 r[1] = celly_;
2101 return r;
2102}
2103
2104// STGrid2
2105STGrid2::STGrid2()
2106 : STGrid()
2107{
2108}
2109
2110STGrid2::STGrid2( const ScantableWrapper &s )
2111 : STGrid()
2112{
2113 setScantable( s ) ;
2114}
2115
2116STGrid2::STGrid2( const vector<ScantableWrapper> &v )
2117 : STGrid()
2118{
2119 setScantableList( v ) ;
2120}
2121
2122void STGrid2::setScantable( const ScantableWrapper &s )
2123{
2124 nfile_ = 1 ;
2125 dataList_.resize( nfile_ ) ;
2126 dataList_[0] = s ;
2127 infileList_.resize( nfile_ ) ;
2128 infileList_[0] = s.getCP()->table().tableName() ;
2129}
2130
2131void STGrid2::setScantableList( const vector<ScantableWrapper> &v )
2132{
2133 nfile_ = v.size() ;
2134 dataList_.resize( nfile_ ) ;
2135 infileList_.resize( nfile_ ) ;
2136 for ( uInt i = 0 ; i < nfile_ ; i++ ) {
2137 dataList_[i] = v[i] ;
2138 infileList_[i] = v[i].getCP()->table().tableName() ;
2139 }
2140}
2141
2142ScantableWrapper STGrid2::getResultAsScantable( int tp )
2143{
2144 ScantableWrapper sw( tp ) ;
2145 CountedPtr<Scantable> s = sw.getCP() ;
2146 s->setHeader( dataList_[0].getCP()->getHeader() ) ;
2147 Table tout, tin ;
2148 String subt[] = { "FREQUENCIES", "FOCUS", "WEATHER",
2149 "TCAL", "MOLECULES", "HISTORY", "FIT" } ;
2150 for ( uInt i = 0 ; i < 7 ; i++ ) {
2151 tout = s->table().rwKeywordSet().asTable(subt[i]) ;
2152 tin = dataList_[0].getCP()->table().rwKeywordSet().asTable(subt[i]) ;
2153 TableCopy::copyRows( tout, tin ) ;
2154 }
2155 fillTable( s->table() ) ;
2156 return sw ;
2157}
2158
2159void STGrid2::table( Table &tab, uInt i )
2160{
2161 if ( i < nfile_ )
2162 tab = dataList_[i].getCP()->table() ;
2163}
2164
2165}
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