source: trunk/src/STGrid.cpp@ 2389

Last change on this file since 2389 was 2389, checked in by Takeshi Nakazato, 14 years ago

New Development: No

JIRA Issue: Yes CAS-2816

Ready for Test: Yes

Interface Changes: No

What Interface Changed: Please list interface changes

Test Programs: List test programs

Put in Release Notes: Yes/No

Module(s): Module Names change impacts.

Description: Describe your changes here...

Introduced infileList_ (Block<String>) instead of infile_ (String).
File size: 35.8 KB
Line 
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>
9#include <casa/Arrays/ArrayIter.h>
10#include <casa/Quanta/Quantum.h>
11#include <casa/Quanta/QuantumHolder.h>
12#include <casa/Utilities/CountedPtr.h>
13#include <casa/Logging/LogIO.h>
14
15#include <tables/Tables/Table.h>
16#include <tables/Tables/TableRecord.h>
17#include <tables/Tables/ExprNode.h>
18#include <tables/Tables/ScalarColumn.h>
19#include <tables/Tables/ArrayColumn.h>
20#include <tables/Tables/TableIter.h>
21
22#include <measures/Measures/MDirection.h>
23
24#include <MathUtils.h>
25
26#include "STGrid.h"
27
28using namespace std ;
29using namespace casa ;
30using namespace asap ;
31
32namespace asap {
33
34// for performance check
35double eToInt = 0.0 ;
36double eGetWeight = 0.0 ;
37
38// constructor
39STGrid::STGrid()
40{
41 init() ;
42}
43
44STGrid::STGrid( const string infile )
45{
46 init() ;
47
48 setFileIn( infile ) ;
49}
50
51void STGrid::init()
52{
53 ifno_ = -1 ;
54 nx_ = -1 ;
55 ny_ = -1 ;
56 npol_ = 0 ;
57 nchan_ = 0 ;
58 nrow_ = 0 ;
59 cellx_ = 0.0 ;
60 celly_ = 0.0 ;
61 center_ = Vector<Double> ( 2, 0.0 ) ;
62 convType_ = "BOX" ;
63 wtype_ = "UNIFORM" ;
64 convSupport_ = -1 ;
65 userSupport_ = -1 ;
66 convSampling_ = 100 ;
67 nprocessed_ = 0 ;
68 nchunk_ = 0 ;
69
70 // initialize user input
71 nxUI_ = -1 ;
72 nyUI_ = -1 ;
73 cellxUI_ = "" ;
74 cellyUI_ = "" ;
75 centerUI_ = "" ;
76}
77
78void STGrid::setFileIn( const string infile )
79{
80 String name( infile ) ;
81 if ( infileList_.size() == 0 || infileList_[0].compare( name ) != 0 ) {
82 infileList_.resize( 1 ) ;
83 infileList_[0] = String(infile) ;
84 }
85}
86
87void STGrid::setPolList( vector<unsigned int> pols )
88{
89 pollist_.assign( Vector<uInt>( pols ) ) ;
90}
91
92void STGrid::setScanList( vector<unsigned int> scans )
93{
94 scanlist_.assign( Vector<uInt>( scans ) ) ;
95}
96
97void STGrid::setWeight( const string wType )
98{
99 wtype_ = String( wType ) ;
100 wtype_.upcase() ;
101}
102
103void STGrid::defineImage( int nx,
104 int ny,
105 string scellx,
106 string scelly,
107 string scenter )
108{
109 nxUI_ = (Int)nx ;
110 nyUI_ = (Int)ny ;
111 cellxUI_ = String( scellx ) ;
112 cellyUI_ = String( scelly ) ;
113 centerUI_ = String( scenter ) ;
114}
115
116void STGrid::setFunc( string convType,
117 int convSupport )
118{
119 convType_ = String( convType ) ;
120 convType_.upcase() ;
121 userSupport_ = (Int)convSupport ;
122}
123
124#define NEED_UNDERSCORES
125#if defined(NEED_UNDERSCORES)
126#define ggridsd ggridsd_
127#endif
128extern "C" {
129 void ggridsd(Double*,
130 const Complex*,
131 Int*,
132 Int*,
133 Int*,
134 const Int*,
135 const Int*,
136 const Float*,
137 Int*,
138 Int*,
139 Complex*,
140 Float*,
141 Int*,
142 Int*,
143 Int *,
144 Int *,
145 Int*,
146 Int*,
147 Float*,
148 Int*,
149 Int*,
150 Double*);
151}
152void STGrid::call_ggridsd( Array<Double> &xypos,
153 Array<Complex> &spectra,
154 Int &nvispol,
155 Int &nvischan,
156 Array<Int> &flagtra,
157 Array<Int> &flagrow,
158 Array<Float> &weight,
159 Int &nrow,
160 Int &irow,
161 Array<Complex> &gdata,
162 Array<Float> &gwgt,
163 Int &nx,
164 Int &ny,
165 Int &npol,
166 Int &nchan,
167 Int &support,
168 Int &sampling,
169 Vector<Float> &convFunc,
170 Int *chanMap,
171 Int *polMap )
172{
173 // parameters for gridding
174 Int idopsf = 0 ;
175 Int len = npol*nchan ;
176 Double *sumw_p = new Double[len] ;
177 {
178 Double *work_p = sumw_p ;
179 for ( Int i = 0 ; i < len ; i++ ) {
180 *work_p = 0.0 ;
181 work_p++ ;
182 }
183 }
184
185 // prepare pointer
186 Bool deletePos, deleteData, deleteWgt, deleteFlag, deleteFlagR, deleteConv, deleteDataG, deleteWgtG ;
187 Double *xy_p = xypos.getStorage( deletePos ) ;
188 const Complex *values_p = spectra.getStorage( deleteData ) ;
189 const Int *flag_p = flagtra.getStorage( deleteFlag ) ;
190 const Int *rflag_p = flagrow.getStorage( deleteFlagR ) ;
191 const Float *wgt_p = weight.getStorage( deleteWgt ) ;
192 Complex *grid_p = gdata.getStorage( deleteDataG ) ;
193 Float *wgrid_p = gwgt.getStorage( deleteWgtG ) ;
194 Float *conv_p = convFunc.getStorage( deleteConv ) ;
195
196 // pass copy of irow to ggridsd since it will be modified in theroutine
197 Int irowCopy = irow ;
198
199 // call ggridsd
200 ggridsd( xy_p,
201 values_p,
202 &nvispol,
203 &nvischan,
204 &idopsf,
205 flag_p,
206 rflag_p,
207 wgt_p,
208 &nrow,
209 &irowCopy,
210 grid_p,
211 wgrid_p,
212 &nx,
213 &ny,
214 &npol,
215 &nchan,
216 &support,
217 &sampling,
218 conv_p,
219 chanMap,
220 polMap,
221 sumw_p ) ;
222
223 // finalization
224 xypos.putStorage( xy_p, deletePos ) ;
225 spectra.freeStorage( values_p, deleteData ) ;
226 flagtra.freeStorage( flag_p, deleteFlag ) ;
227 flagrow.freeStorage( rflag_p, deleteFlagR ) ;
228 weight.freeStorage( wgt_p, deleteWgt ) ;
229 gdata.putStorage( grid_p, deleteDataG ) ;
230 gwgt.putStorage( wgrid_p, deleteWgtG ) ;
231 convFunc.putStorage( conv_p, deleteConv ) ;
232 delete sumw_p ;
233}
234
235Bool STGrid::pastEnd()
236{
237 LogIO os( LogOrigin("STGrid","pastEnd",WHERE) ) ;
238 Bool b = nprocessed_ >= nrow_ ;
239 return b ;
240}
241
242void STGrid::grid()
243{
244 LogIO os( LogOrigin("STGrid", "grid", WHERE) ) ;
245 double t0,t1 ;
246
247 // data selection
248 t0 = mathutil::gettimeofday_sec() ;
249 selectData() ;
250 t1 = mathutil::gettimeofday_sec() ;
251 os << "selectData: elapsed time is " << t1-t0 << " sec." << LogIO::POST ;
252
253 setupGrid() ;
254 setupArray() ;
255
256 if ( wtype_.compare("UNIFORM") != 0 &&
257 wtype_.compare("TINT") != 0 &&
258 wtype_.compare("TSYS") != 0 &&
259 wtype_.compare("TINTSYS") != 0 ) {
260 LogIO os( LogOrigin("STGrid", "grid", WHERE) ) ;
261 os << LogIO::WARN << "Unsupported weight type '" << wtype_ << "', apply UNIFORM weight" << LogIO::POST ;
262 wtype_ = "UNIFORM" ;
263 }
264
265 // grid parameter
266 os << LogIO::DEBUGGING ;
267 os << "----------" << endl ;
268 os << "Data selection summary" << endl ;
269 os << " ifno = " << ifno_ << endl ;
270 os << " pollist = " << pollist_ << endl ;
271 os << " scanlist = " << scanlist_ << endl ;
272 os << "----------" << endl ;
273 os << "Grid parameter summary" << endl ;
274 os << " (nx,ny) = (" << nx_ << "," << ny_ << ")" << endl ;
275 os << " (cellx,celly) = (" << cellx_ << "," << celly_ << ")" << endl ;
276 os << " center = " << center_ << endl ;
277 os << " weighting = " << wtype_ << endl ;
278 os << " convfunc = " << convType_ << " with support " << convSupport_ << endl ;
279 os << "----------" << LogIO::POST ;
280 os << LogIO::NORMAL ;
281
282 Bool doAll = examine() ;
283
284 if ( doAll )
285 gridPerPol() ;
286 else
287 gridPerRow() ;
288}
289
290Bool STGrid::examine()
291{
292 // TODO: nchunk_ must be determined from nchan_, npol_, and (nx_,ny_)
293 // by considering data size to be allocated for ggridsd input/output
294 nchunk_ = 400 ;
295 Bool b = nchunk_ >= nrow_ ;
296 nchunk_ = min( nchunk_, nrow_ ) ;
297 return b ;
298}
299
300void STGrid::gridPerRow()
301{
302 LogIO os( LogOrigin("STGrid", "gridPerRow", WHERE) ) ;
303 double t0, t1 ;
304
305 // convolution kernel
306 Vector<Float> convFunc ;
307 t0 = mathutil::gettimeofday_sec() ;
308 setConvFunc( convFunc ) ;
309 t1 = mathutil::gettimeofday_sec() ;
310 os << "setConvFunc: elapsed time is " << t1-t0 << " sec." << LogIO::POST ;
311
312 // grid data
313 Int gnx = nx_ ;
314 Int gny = ny_ ;
315 // Extend grid plane with convSupport_
316// Int gnx = nx_+convSupport_*2 ;
317// Int gny = ny_+convSupport_*2 ;
318 IPosition gshape( 4, gnx, gny, npol_, nchan_ ) ;
319 Array<Complex> gdataArrC( gshape, 0.0 ) ;
320 // 2011/12/20 TN
321 // data_ and gwgtArr share storage
322 data_.resize( gshape ) ;
323 data_ = 0.0 ;
324 Array<Float> gwgtArr( data_ ) ;
325
326 // parameters for gridding
327 Int *chanMap = new Int[nchan_] ;
328 {
329 Int *work_p = chanMap ;
330 for ( Int i = 0 ; i < nchan_ ; i++ ) {
331 *work_p = i ;
332 work_p++ ;
333 }
334 }
335 Int *polMap = new Int[1] ;
336 Int nvispol = 1 ;
337 Int irow = -1 ;
338
339 // for performance check
340 double eGetData = 0.0 ;
341 double eToPixel = 0.0 ;
342 double eGGridSD = 0.0 ;
343 double eInitPol = 0.0 ;
344
345 for ( Int ipol = 0 ; ipol < npol_ ; ipol++ ) {
346 t0 = mathutil::gettimeofday_sec() ;
347 initPol( ipol ) ;
348 t1 = mathutil::gettimeofday_sec() ;
349 eInitPol += t1-t0 ;
350
351 polMap[0] = ipol ;
352
353 os << "start pol " << ipol << LogIO::POST ;
354
355 while( !pastEnd() ) {
356 // data storage
357 IPosition cshape( 3, npol_, nchan_, nchunk_ ) ;
358 IPosition mshape( 2, npol_, nchunk_ ) ;
359 IPosition vshape( 1, nchunk_ ) ;
360 IPosition dshape( 2, 2, nchunk_ ) ;
361 IPosition wshape( 2, nchan_, nchunk_ ) ;
362 Array<Complex> spectra( wshape ) ;
363 Array<Int> flagtra( wshape ) ;
364 Array<Int> rflag( vshape ) ;
365 Array<Float> weight( wshape ) ;
366 Array<Double> direction( dshape ) ;
367 Array<Double> xypos( dshape ) ;
368
369 spectraF_.resize( wshape ) ;
370 flagtraUC_.resize( wshape ) ;
371 rflagUI_.resize( vshape ) ;
372
373 // retrieve data
374 t0 = mathutil::gettimeofday_sec() ;
375 Int nrow = getDataChunk( spectra, direction, flagtra, rflag, weight ) ;
376 t1 = mathutil::gettimeofday_sec() ;
377 eGetData += t1-t0 ;
378
379 // world -> pixel
380 t0 = mathutil::gettimeofday_sec() ;
381 toPixel( direction, xypos ) ;
382 t1 = mathutil::gettimeofday_sec() ;
383 eToPixel += t1-t0 ;
384
385 // call ggridsd
386 t0 = mathutil::gettimeofday_sec() ;
387 call_ggridsd( xypos,
388 spectra,
389 nvispol,
390 nchan_,
391 flagtra,
392 rflag,
393 weight,
394 nrow,
395 irow,
396 gdataArrC,
397 gwgtArr,
398 gnx,
399 gny,
400 npol_,
401 nchan_,
402 convSupport_,
403 convSampling_,
404 convFunc,
405 chanMap,
406 polMap ) ;
407 t1 = mathutil::gettimeofday_sec() ;
408 eGGridSD += t1-t0 ;
409
410 }
411
412 os << "end pol " << ipol << LogIO::POST ;
413
414 nprocessed_ = 0 ;
415 }
416 os << "initPol: elapsed time is " << eInitPol << " sec." << LogIO::POST ;
417 os << "getData: elapsed time is " << eGetData-eToInt-eGetWeight << " sec." << LogIO::POST ;
418 os << "toPixel: elapsed time is " << eToPixel << " sec." << LogIO::POST ;
419 os << "ggridsd: elapsed time is " << eGGridSD << " sec." << LogIO::POST ;
420 os << "toInt: elapsed time is " << eToInt << " sec." << LogIO::POST ;
421 os << "getWeight: elapsed time is " << eGetWeight << " sec." << LogIO::POST ;
422
423 delete polMap ;
424 delete chanMap ;
425
426 // set data
427 setData( gdataArrC, gwgtArr ) ;
428
429}
430
431void STGrid::gridPerPol()
432{
433 LogIO os( LogOrigin("STGrid", "gridPerPol", WHERE) ) ;
434 double t0, t1 ;
435
436 // convolution kernel
437 Vector<Float> convFunc ;
438 t0 = mathutil::gettimeofday_sec() ;
439 setConvFunc( convFunc ) ;
440 t1 = mathutil::gettimeofday_sec() ;
441 os << "setConvFunc: elapsed time is " << t1-t0 << " sec." << LogIO::POST ;
442
443 // prepare grid data storage
444 Int gnx = nx_ ;
445 Int gny = ny_ ;
446// // Extend grid plane with convSupport_
447// Int gnx = nx_+convSupport_*2 ;
448// Int gny = ny_+convSupport_*2 ;
449 IPosition gshape( 4, gnx, gny, npol_, nchan_ ) ;
450 Array<Complex> gdataArrC( gshape, 0.0 ) ;
451 //Array<Float> gwgtArr( gshape, 0.0 ) ;
452 // 2011/12/20 TN
453 // data_ and weight array shares storage
454 data_.resize( gshape ) ;
455 data_ = 0.0 ;
456 Array<Float> gwgtArr( data_ ) ;
457
458 // to read data from the table
459 IPosition mshape( 2, nchan_, nrow_ ) ;
460 IPosition dshape( 2, 2, nrow_ ) ;
461 Array<Complex> spectra( mshape ) ;
462 Array<Double> direction( dshape ) ;
463 Array<Int> flagtra( mshape ) ;
464 Array<Int> rflag( IPosition(1,nrow_) ) ;
465 Array<Float> weight( mshape ) ;
466 Array<Double> xypos( dshape ) ;
467
468 // maps
469 Int *chanMap = new Int[nchan_] ;
470 {
471 Int *work_p = chanMap ;
472 for ( Int i = 0 ; i < nchan_ ; i++ ) {
473 *work_p = i ;
474 work_p++ ;
475 }
476 }
477 Int *polMap = new Int[1] ;
478
479 // some parameters for ggridsd
480 Int nvispol = 1 ;
481 Int irow = -1 ;
482
483 // for performance check
484 double eInitPol = 0.0 ;
485 double eGetData = 0.0 ;
486 double eToPixel = 0.0 ;
487 double eGGridSD = 0.0 ;
488 double eToInt = 0.0 ;
489
490 for ( Int ipol = 0 ; ipol < npol_ ; ipol++ ) {
491 t0 = mathutil::gettimeofday_sec() ;
492 initPol( ipol ) ;
493 t1 = mathutil::gettimeofday_sec() ;
494 eInitPol += t1-t0 ;
495
496 // retrieve data
497 t0 = mathutil::gettimeofday_sec() ;
498 getDataPerPol( spectra, direction, flagtra, rflag, weight ) ;
499 t1 = mathutil::gettimeofday_sec() ;
500 eGetData += t1-t0 ;
501
502 // world -> pixel
503 t0 = mathutil::gettimeofday_sec() ;
504 toPixel( direction, xypos ) ;
505 t1 = mathutil::gettimeofday_sec() ;
506 eToPixel += t1-t0 ;
507
508 // call ggridsd
509 polMap[0] = ipol ;
510 t0 = mathutil::gettimeofday_sec() ;
511 call_ggridsd( xypos,
512 spectra,
513 nvispol,
514 nchan_,
515 flagtra,
516 rflag,
517 weight,
518 nrow_,
519 irow,
520 gdataArrC,
521 gwgtArr,
522 gnx,
523 gny,
524 npol_,
525 nchan_,
526 convSupport_,
527 convSampling_,
528 convFunc,
529 chanMap,
530 polMap ) ;
531 t1 = mathutil::gettimeofday_sec() ;
532 eGGridSD += t1-t0 ;
533 }
534 os << "initPol: elapsed time is " << eInitPol << " sec." << LogIO::POST ;
535 os << "getData: elapsed time is " << eGetData-eToInt-eGetWeight << " sec." << LogIO::POST ;
536 os << "toPixel: elapsed time is " << eToPixel << " sec." << LogIO::POST ;
537 os << "ggridsd: elapsed time is " << eGGridSD << " sec." << LogIO::POST ;
538 os << "toInt: elapsed time is " << eToInt << " sec." << LogIO::POST ;
539 os << "getWeight: elapsed time is " << eGetWeight << " sec." << LogIO::POST ;
540
541 // delete maps
542 delete polMap ;
543 delete chanMap ;
544
545 setData( gdataArrC, gwgtArr ) ;
546// os << "gdataArr = " << gdataArr << LogIO::POST ;
547// os << "gwgtArr = " << gwgtArr << LogIO::POST ;
548// os << "data_ " << data_ << LogIO::POST ;
549}
550
551void STGrid::initPol( Int ipol )
552{
553 LogIO os( LogOrigin("STGrid","initPol",WHERE) ) ;
554 if ( npolOrg_ == 1 ) {
555 os << "single polarization data." << LogIO::POST ;
556 ptab_ = tab_ ;
557 }
558 else
559 ptab_ = tab_( tab_.col("POLNO") == (uInt)ipol ) ;
560
561 attach( ptab_ ) ;
562}
563
564void STGrid::setData( Array<Complex> &gdata,
565 Array<Float> &gwgt )
566{
567 // 2011/12/20 TN
568 // gwgt and data_ share storage
569 LogIO os( LogOrigin("STGrid","setData",WHERE) ) ;
570 double t0, t1 ;
571 t0 = mathutil::gettimeofday_sec() ;
572 uInt len = data_.nelements() ;
573 const Complex *w1_p ;
574 Float *w2_p ;
575 Bool b1, b2 ;
576 const Complex *gdata_p = gdata.getStorage( b1 ) ;
577 Float *gwgt_p = data_.getStorage( b2 ) ;
578 w1_p = gdata_p ;
579 w2_p = gwgt_p ;
580 for ( uInt i = 0 ; i < len ; i++ ) {
581 if ( *w2_p > 0.0 ) *w2_p = (*w1_p).real() / *w2_p ;
582 w1_p++ ;
583 w2_p++ ;
584 }
585 gdata.freeStorage( gdata_p, b1 ) ;
586 data_.putStorage( gwgt_p, b2 ) ;
587 t1 = mathutil::gettimeofday_sec() ;
588 os << "setData: elapsed time is " << t1-t0 << " sec." << LogIO::POST ;
589}
590
591void STGrid::setupGrid()
592{
593 Double xmin,xmax,ymin,ymax ;
594 mapExtent( xmin, xmax, ymin, ymax ) ;
595
596 setupGrid( nxUI_, nyUI_, cellxUI_, cellyUI_,
597 xmin, xmax, ymin, ymax, centerUI_ ) ;
598}
599
600void STGrid::setupGrid( Int &nx,
601 Int &ny,
602 String &cellx,
603 String &celly,
604 Double &xmin,
605 Double &xmax,
606 Double &ymin,
607 Double &ymax,
608 String &center )
609{
610 LogIO os( LogOrigin("STGrid","setupGrid",WHERE) ) ;
611 //cout << "nx=" << nx << ", ny=" << ny << endl ;
612
613 // center position
614 if ( center.size() == 0 ) {
615 center_(0) = 0.5 * ( xmin + xmax ) ;
616 center_(1) = 0.5 * ( ymin + ymax ) ;
617 }
618 else {
619 String::size_type pos0 = center.find( " " ) ;
620 if ( pos0 == String::npos ) {
621 throw AipsError( "bad string format in parameter center" ) ;
622 }
623 String::size_type pos1 = center.find( " ", pos0+1 ) ;
624 String typestr, xstr, ystr ;
625 if ( pos1 != String::npos ) {
626 typestr = center.substr( 0, pos0 ) ;
627 xstr = center.substr( pos0+1, pos1-pos0 ) ;
628 ystr = center.substr( pos1+1 ) ;
629 // todo: convert to J2000 (or direction ref for DIRECTION column)
630 }
631 else {
632 typestr = "J2000" ;
633 xstr = center.substr( 0, pos0 ) ;
634 ystr = center.substr( pos0+1 ) ;
635 }
636 QuantumHolder qh ;
637 String err ;
638 qh.fromString( err, xstr ) ;
639 Quantum<Double> xcen = qh.asQuantumDouble() ;
640 qh.fromString( err, ystr ) ;
641 Quantum<Double> ycen = qh.asQuantumDouble() ;
642 center_(0) = xcen.getValue( "rad" ) ;
643 center_(1) = ycen.getValue( "rad" ) ;
644 }
645
646
647 nx_ = nx ;
648 ny_ = ny ;
649 if ( nx < 0 && ny > 0 ) {
650 nx_ = ny ;
651 ny_ = ny ;
652 }
653 if ( ny < 0 && nx > 0 ) {
654 nx_ = nx ;
655 ny_ = nx ;
656 }
657
658 //Double wx = xmax - xmin ;
659 //Double wy = ymax - ymin ;
660 Double wx = max( abs(xmax-center_(0)), abs(xmin-center_(0)) ) * 2 ;
661 Double wy = max( abs(ymax-center_(1)), abs(ymin-center_(1)) ) * 2 ;
662 // take 10% margin
663 wx *= 1.10 ;
664 wy *= 1.10 ;
665
666 Quantum<Double> qcellx ;
667 Quantum<Double> qcelly ;
668 //cout << "nx_ = " << nx_ << ", ny_ = " << ny_ << endl ;
669 if ( cellx.size() != 0 && celly.size() != 0 ) {
670 readQuantity( qcellx, cellx ) ;
671 readQuantity( qcelly, celly ) ;
672 }
673 else if ( celly.size() != 0 ) {
674 os << "Using celly to x-axis..." << LogIO::POST ;
675 readQuantity( qcelly, celly ) ;
676 qcellx = qcelly ;
677 }
678 else if ( cellx.size() != 0 ) {
679 os << "Using cellx to y-axis..." << LogIO::POST ;
680 readQuantity( qcellx, cellx ) ;
681 qcelly = qcellx ;
682 }
683 else {
684 if ( nx_ < 0 ) {
685 os << "No user preference in grid setting. Using default..." << LogIO::POST ;
686 readQuantity( qcellx, "1.0arcmin" ) ;
687 qcelly = qcellx ;
688 }
689 else {
690 if ( wx == 0.0 ) {
691 os << "Using default spatial extent (10arcmin) in x" << LogIO::POST ;
692 wx = 0.00290888 ;
693 }
694 if ( wy == 0.0 ) {
695 os << "Using default spatial extent (10arcmin) in y" << LogIO::POST ;
696 wy = 0.00290888 ;
697 }
698 qcellx = Quantum<Double>( wx/nx_, "rad" ) ;
699 qcelly = Quantum<Double>( wy/ny_, "rad" ) ;
700 }
701 }
702 cellx_ = qcellx.getValue( "rad" ) ;
703 celly_ = qcelly.getValue( "rad" ) ;
704 if ( nx_ < 0 ) {
705 if ( wx == 0.0 ) {
706 os << "Using default spatial extent (10arcmin) in x" << LogIO::POST ;
707 wx = 0.00290888 ;
708 }
709 if ( wy == 0.0 ) {
710 os << "Using default spatial extent (10arcmin) in y" << LogIO::POST ;
711 wy = 0.00290888 ;
712 }
713 nx_ = Int( ceil( wx/cellx_ ) ) ;
714 ny_ = Int( ceil( wy/celly_ ) ) ;
715 }
716}
717
718void STGrid::mapExtent( Double &xmin, Double &xmax,
719 Double &ymin, Double &ymax )
720{
721 //LogIO os( LogOrigin("STGrid","mapExtent",WHERE) ) ;
722 ROArrayColumn<Double> dirCol( tab_, "DIRECTION" ) ;
723 Matrix<Double> direction = dirCol.getColumn() ;
724 //os << "dirCol.nrow() = " << dirCol.nrow() << LogIO::POST ;
725 minMax( xmin, xmax, direction.row( 0 ) ) ;
726 minMax( ymin, ymax, direction.row( 1 ) ) ;
727 //os << "(xmin,xmax)=(" << xmin << "," << xmax << ")" << LogIO::POST ;
728 //os << "(ymin,ymax)=(" << ymin << "," << ymax << ")" << LogIO::POST ;
729}
730
731void STGrid::selectData()
732{
733 LogIO os( LogOrigin("STGrid","selectData",WHERE) ) ;
734 Int ifno = ifno_ ;
735 uInt nfile = infileList_.size() ;
736 tableList_.resize( nfile ) ;
737 for ( uInt i = 0 ; i < nfile ; i++ ) {
738 Table taborg( infileList_[i] ) ;
739 if ( ifno == -1 ) {
740 ROScalarColumn<uInt> ifnoCol( taborg, "IFNO" ) ;
741 ifno = ifnoCol( 0 ) ;
742 os << LogIO::WARN
743 << "IFNO is not given. Using default IFNO: " << ifno << LogIO::POST ;
744 }
745 TableExprNode node ;
746 if ( isMultiIF( taborg ) ) {
747 os << "apply selection on IFNO" << LogIO::POST ;
748 node = taborg.col("IFNO") == ifno ;
749 }
750 if ( scanlist_.size() > 0 ) {
751 os << "apply selection on SCANNO" << LogIO::POST ;
752 node = node && taborg.col("SCANNO").in( scanlist_ ) ;
753 }
754 if ( node.isNull() ) {
755 tableList_[i] = taborg ;
756 }
757 else {
758 tableList_[i] = taborg( node ) ;
759 }
760 if ( tableList_[i].nrow() == 0 ) {
761 os << LogIO::SEVERE
762 << "No corresponding rows for given selection: IFNO " << ifno ;
763 if ( scanlist_.size() > 0 )
764 os << " SCANNO " << scanlist_ ;
765 os << LogIO::EXCEPTION ;
766 }
767 }
768 tab_ = tableList_[0] ;
769}
770
771Bool STGrid::isMultiIF( Table &tab )
772{
773 ROScalarColumn<uInt> ifnoCol( tab, "IFNO" ) ;
774 Vector<uInt> ifnos = ifnoCol.getColumn() ;
775 return anyNE( ifnos, ifnos[0] ) ;
776}
777
778void STGrid::attach( Table &tab )
779{
780 // attach to table
781 spectraCol_.attach( tab, "SPECTRA" ) ;
782 flagtraCol_.attach( tab, "FLAGTRA" ) ;
783 directionCol_.attach( tab, "DIRECTION" ) ;
784 flagRowCol_.attach( tab, "FLAGROW" ) ;
785 tsysCol_.attach( tab, "TSYS" ) ;
786 intervalCol_.attach( tab, "INTERVAL" ) ;
787// Vector<String> colnames( 6 ) ;
788// colnames[0] = "SPECTRA" ;
789// colnames[1] = "FLAGTRA" ;
790// colnames[2] = "DIRECTION" ;
791// colnames[3] = "FLAGROW" ;
792// colnames[4] = "TSYS" ;
793// colnames[5] = "INTERVAL" ;
794// row_ = ROTableRow( tab_, colnames ) ;
795// const TableRecord &rec = row_.record() ;
796// spectraRF_.attachToRecord( rec, colnames[0] ) ;
797// flagtraRF_.attachToRecord( rec, colnames[1] ) ;
798// directionRF_.attachToRecord( rec, colnames[2] ) ;
799// flagRowRF_.attachToRecord( rec, colnames[3] ) ;
800// tsysRF_.attachToRecord( rec, colnames[4] ) ;
801// intervalRF_.attachToRecord( rec, colnames[5] ) ;
802}
803
804void STGrid::getDataPerPol( Array<Float> &spectra,
805 Array<Double> &direction,
806 Array<uChar> &flagtra,
807 Array<uInt> &rflag,
808 Array<Float> &weight )
809{
810 LogIO os( LogOrigin("STGrid","getDataPerPol",WHERE) ) ;
811
812 // 2011/12/22 TN
813 // weight and tsys shares its storage
814 Array<Float> tsys( weight ) ;
815 Array<Double> tint( rflag.shape() ) ;
816
817 Vector<uInt> rflagVec( rflag ) ;
818 Vector<Double> tintVec( tint ) ;
819
820 spectraCol_.getColumn( spectra ) ;
821 flagtraCol_.getColumn( flagtra ) ;
822 flagRowCol_.getColumn( rflagVec ) ;
823 directionCol_.getColumn( direction ) ;
824 intervalCol_.getColumn( tintVec ) ;
825 Vector<Float> tsysTemp = tsysCol_( 0 ) ;
826 if ( tsysTemp.nelements() == (uInt)nchan_ ) {
827 tsysCol_.getColumn( tsys ) ;
828 }
829 else {
830 tsys = tsysTemp[0] ;
831 }
832
833 double t0,t1 ;
834 t0 = mathutil::gettimeofday_sec() ;
835 getWeight( weight, tsys, tint ) ;
836 t1 = mathutil::gettimeofday_sec() ;
837 eGetWeight += t1-t0 ;
838}
839
840void STGrid::getDataPerPol( Array<Complex> &spectra,
841 Array<Double> &direction,
842 Array<Int> &flagtra,
843 Array<Int> &rflag,
844 Array<Float> &weight )
845{
846 LogIO os( LogOrigin("STGrid","getDataPerPol",WHERE) ) ;
847 double t0, t1 ;
848
849 Array<uChar> flagUC( flagtra.shape() ) ;
850 Array<uInt> rflagUI( rflag.shape() ) ;
851 Array<Float> spectraF( spectra.shape() ) ;
852 getDataPerPol( spectraF, direction, flagUC, rflagUI, weight ) ;
853
854 convertArray( spectra, spectraF ) ;
855 t0 = mathutil::gettimeofday_sec() ;
856 toInt( flagUC, flagtra ) ;
857 toInt( rflagUI, rflag ) ;
858 t1 = mathutil::gettimeofday_sec() ;
859 eToInt += t1-t0 ;
860 //os << "toInt: elapsed time is " << t1-t0 << " sec." << LogIO::POST ;
861}
862
863Int STGrid::getDataChunk( Array<Complex> &spectra,
864 Array<Double> &direction,
865 Array<Int> &flagtra,
866 Array<Int> &rflag,
867 Array<Float> &weight )
868{
869 LogIO os( LogOrigin("STGrid","getDataChunk",WHERE) ) ;
870 Int nrow = getDataChunk( spectraF_, direction, flagtraUC_, rflagUI_, weight ) ;
871 if ( nrow < nchunk_ ) {
872 spectra.resize( spectraF_.shape() ) ;
873 flagtra.resize( flagtraUC_.shape() ) ;
874 rflag.resize( rflagUI_.shape() ) ;
875 }
876 double t0, t1 ;
877 t0 = mathutil::gettimeofday_sec() ;
878 convertArray( spectra, spectraF_ ) ;
879 toInt( flagtraUC_, flagtra ) ;
880 toInt( rflagUI_, rflag ) ;
881 t1 = mathutil::gettimeofday_sec() ;
882 eToInt = t1 - t0 ;
883
884 return nrow ;
885}
886
887Int STGrid::getDataChunk( Array<Float> &spectra,
888 Array<Double> &direction,
889 Array<uChar> &flagtra,
890 Array<uInt> &rflag,
891 Array<Float> &weight )
892{
893 LogIO os( LogOrigin("STGrid","getDataChunk",WHERE) ) ;
894 Int nrow = spectra.shape()[1] ;
895 Int remainingRow = nrow_ - nprocessed_ ;
896 if ( remainingRow < nrow ) {
897 nrow = remainingRow ;
898 IPosition mshape( 2, nchan_, nrow ) ;
899 IPosition vshape( 1, nrow ) ;
900 spectra.resize( mshape ) ;
901 flagtra.resize( mshape ) ;
902 direction.resize( IPosition(2,2,nrow) ) ;
903 rflag.resize( vshape ) ;
904 weight.resize( mshape ) ;
905 }
906 // 2011/12/22 TN
907 // tsys shares its storage with weight
908 Array<Float> tsys( weight ) ;
909 Array<Double> tint( rflag.shape() ) ;
910
911 Vector<uInt> rflagVec( rflag ) ;
912 Vector<Double> tintVec( tint ) ;
913
914 RefRows rows( nprocessed_, nprocessed_+nrow-1, 1 ) ;
915 //os<<LogIO::DEBUGGING<<"nprocessed_="<<nprocessed_<<": rows.nrows()="<<rows.nrows()<<LogIO::POST ;
916 spectraCol_.getColumnCells( rows, spectra ) ;
917 flagtraCol_.getColumnCells( rows, flagtra ) ;
918 directionCol_.getColumnCells( rows, direction ) ;
919 flagRowCol_.getColumnCells( rows, rflagVec ) ;
920 intervalCol_.getColumnCells( rows, tintVec ) ;
921 Vector<Float> tsysTemp = tsysCol_( nprocessed_ ) ;
922 if ( tsysTemp.nelements() == (uInt)nchan_ )
923 tsysCol_.getColumnCells( rows, tsys ) ;
924 else
925 tsys = tsysTemp[0] ;
926
927 double t0,t1 ;
928 t0 = mathutil::gettimeofday_sec() ;
929 getWeight( weight, tsys, tint ) ;
930 t1 = mathutil::gettimeofday_sec() ;
931 eGetWeight += t1-t0 ;
932
933 nprocessed_ += nrow ;
934
935 return nrow ;
936}
937
938void STGrid::setupArray()
939{
940 LogIO os( LogOrigin("STGrid","setupArray",WHERE) ) ;
941 ROScalarColumn<uInt> polnoCol( tab_, "POLNO" ) ;
942 Vector<uInt> pols = polnoCol.getColumn() ;
943 //os << pols << LogIO::POST ;
944 Vector<uInt> pollistOrg ;
945 npolOrg_ = 0 ;
946 uInt polno ;
947 for ( uInt i = 0 ; i < polnoCol.nrow() ; i++ ) {
948 //polno = polnoCol( i ) ;
949 polno = pols( i ) ;
950 if ( allNE( pollistOrg, polno ) ) {
951 pollistOrg.resize( npolOrg_+1, True ) ;
952 pollistOrg[npolOrg_] = polno ;
953 npolOrg_++ ;
954 }
955 }
956 if ( pollist_.size() == 0 )
957 pollist_ = pollistOrg ;
958 else {
959 Vector<uInt> newlist ;
960 uInt newsize = 0 ;
961 for ( uInt i = 0 ; i < pollist_.size() ; i++ ) {
962 if ( anyEQ( pollistOrg, pollist_[i] ) ) {
963 newlist.resize( newsize+1, True ) ;
964 newlist[newsize] = pollist_[i] ;
965 newsize++ ;
966 }
967 }
968 pollist_.assign( newlist ) ;
969 }
970 npol_ = pollist_.size() ;
971 if ( npol_ == 0 ) {
972 os << LogIO::SEVERE << "Empty pollist" << LogIO::EXCEPTION ;
973 }
974 nrow_ = tab_.nrow() / npolOrg_ ;
975 ROArrayColumn<uChar> tmpCol( tab_, "FLAGTRA" ) ;
976 nchan_ = tmpCol( 0 ).nelements() ;
977// os << "npol_ = " << npol_ << "(" << pollist_ << ")" << endl
978// << "nchan_ = " << nchan_ << endl
979// << "nrow_ = " << nrow_ << LogIO::POST ;
980}
981
982void STGrid::getWeight( Array<Float> &w,
983 Array<Float> &tsys,
984 Array<Double> &tint )
985{
986 LogIO os( LogOrigin("STGrid","getWeight",WHERE) ) ;
987
988 // 2011/12/22 TN
989 // w (weight) and tsys share storage
990 IPosition refShape = tsys.shape() ;
991 Int nchan = refShape[0] ;
992 Int nrow = refShape[1] ;
993// os << "nchan=" << nchan << ", nrow=" << nrow << LogIO::POST ;
994// os << "w.shape()=" << w.shape() << endl
995// << "tsys.shape()=" << tsys.shape() << endl
996// << "tint.shape()=" << tint.shape() << LogIO::POST ;
997
998 // set weight
999 if ( wtype_.compare( "UNIFORM" ) == 0 ) {
1000 w = 1.0 ;
1001 }
1002 else if ( wtype_.compare( "TINT" ) == 0 ) {
1003 Bool b0, b1 ;
1004 Float *w_p = w.getStorage( b0 ) ;
1005 Float *w0_p = w_p ;
1006 const Double *ti_p = tint.getStorage( b1 ) ;
1007 const Double *w1_p = ti_p ;
1008 for ( Int irow = 0 ; irow < nrow ; irow++ ) {
1009 for ( Int ichan = 0 ; ichan < nchan ; ichan++ ) {
1010 *w0_p = *w1_p ;
1011 w0_p++ ;
1012 }
1013 w1_p++ ;
1014 }
1015 w.putStorage( w_p, b0 ) ;
1016 tint.freeStorage( ti_p, b1 ) ;
1017 }
1018 else if ( wtype_.compare( "TSYS" ) == 0 ) {
1019 Bool b0 ;
1020 Float *w_p = w.getStorage( b0 ) ;
1021 Float *w0_p = w_p ;
1022 for ( Int irow = 0 ; irow < nrow ; irow++ ) {
1023 for ( Int ichan = 0 ; ichan < nchan ; ichan++ ) {
1024 Float temp = *w0_p ;
1025 *w0_p = 1.0 / ( temp * temp ) ;
1026 w0_p++ ;
1027 }
1028 }
1029 w.putStorage( w_p, b0 ) ;
1030 }
1031 else if ( wtype_.compare( "TINTSYS" ) == 0 ) {
1032 Bool b0, b1 ;
1033 Float *w_p = w.getStorage( b0 ) ;
1034 Float *w0_p = w_p ;
1035 const Double *ti_p = tint.getStorage( b1 ) ;
1036 const Double *w1_p = ti_p ;
1037 for ( Int irow = 0 ; irow < nrow ; irow++ ) {
1038 Float interval = *w1_p ;
1039 for ( Int ichan = 0 ; ichan < nchan ; ichan++ ) {
1040 Float temp = *w0_p ;
1041 *w0_p = interval / ( temp * temp ) ;
1042 w0_p++ ;
1043 }
1044 w1_p++ ;
1045 }
1046 w.putStorage( w_p, b0 ) ;
1047 tint.freeStorage( ti_p, b1 ) ;
1048 }
1049 else {
1050 //LogIO os( LogOrigin("STGrid", "getWeight", WHERE) ) ;
1051 //os << LogIO::WARN << "Unsupported weight type '" << wtype_ << "', apply UNIFORM weight" << LogIO::POST ;
1052 w = 1.0 ;
1053 }
1054}
1055
1056void STGrid::toInt( Array<uChar> &u, Array<Int> &v )
1057{
1058 uInt len = u.nelements() ;
1059 Int *int_p = new Int[len] ;
1060 Bool deleteIt ;
1061 const uChar *data_p = u.getStorage( deleteIt ) ;
1062 Int *i_p = int_p ;
1063 const uChar *u_p = data_p ;
1064 for ( uInt i = 0 ; i < len ; i++ ) {
1065 *i_p = ( *u_p == 0 ) ? 0 : 1 ;
1066 i_p++ ;
1067 u_p++ ;
1068 }
1069 u.freeStorage( data_p, deleteIt ) ;
1070 v.takeStorage( u.shape(), int_p, TAKE_OVER ) ;
1071}
1072
1073void STGrid::toInt( Array<uInt> &u, Array<Int> &v )
1074{
1075 uInt len = u.nelements() ;
1076 Int *int_p = new Int[len] ;
1077 Bool deleteIt ;
1078 const uInt *data_p = u.getStorage( deleteIt ) ;
1079 Int *i_p = int_p ;
1080 const uInt *u_p = data_p ;
1081 for ( uInt i = 0 ; i < len ; i++ ) {
1082 *i_p = ( *u_p == 0 ) ? 0 : 1 ;
1083 i_p++ ;
1084 u_p++ ;
1085 }
1086 u.freeStorage( data_p, deleteIt ) ;
1087 v.takeStorage( u.shape(), int_p, TAKE_OVER ) ;
1088}
1089
1090void STGrid::toPixel( Array<Double> &world, Array<Double> &pixel )
1091{
1092 // gridding will be done on (nx_+2*convSupport_) x (ny_+2*convSupport_)
1093 // grid plane to avoid unexpected behavior on grid edge
1094 Block<Double> pixc( 2 ) ;
1095 pixc[0] = Double( nx_-1 ) * 0.5 ;
1096 pixc[1] = Double( ny_-1 ) * 0.5 ;
1097// pixc[0] = Double( nx_+2*convSupport_-1 ) * 0.5 ;
1098// pixc[1] = Double( ny_+2*convSupport_-1 ) * 0.5 ;
1099 uInt nrow = world.shape()[1] ;
1100 Bool bw, bp ;
1101 const Double *w_p = world.getStorage( bw ) ;
1102 Double *p_p = pixel.getStorage( bp ) ;
1103 const Double *ww_p = w_p ;
1104 Double *wp_p = p_p ;
1105 for ( uInt i = 0 ; i < nrow ; i++ ) {
1106 *wp_p = pixc[0] + ( *ww_p - center_[0] ) / cellx_ ;
1107 wp_p++ ;
1108 ww_p++ ;
1109 *wp_p = pixc[1] + ( *ww_p - center_[1] ) / celly_ ;
1110 wp_p++ ;
1111 ww_p++ ;
1112 }
1113 world.freeStorage( w_p, bw ) ;
1114 pixel.putStorage( p_p, bp ) ;
1115// String gridfile = "grid."+convType_+"."+String::toString(convSupport_)+".dat" ;
1116// ofstream ofs( gridfile.c_str(), ios::out ) ;
1117// ofs << "center " << center_(0) << " " << pixc(0)
1118// << " " << center_(1) << " " << pixc(1) << endl ;
1119// for ( uInt irow = 0 ; irow < nrow ; irow++ ) {
1120// ofs << irow ;
1121// for ( uInt i = 0 ; i < 2 ; i++ ) {
1122// ofs << " " << world(i, irow) << " " << pixel(i, irow) ;
1123// }
1124// ofs << endl ;
1125// }
1126// ofs.close() ;
1127}
1128
1129void STGrid::boxFunc( Vector<Float> &convFunc, Int &convSize )
1130{
1131 convFunc = 0.0 ;
1132 for ( Int i = 0 ; i < convSize/2 ; i++ )
1133 convFunc(i) = 1.0 ;
1134}
1135
1136#define NEED_UNDERSCORES
1137#if defined(NEED_UNDERSCORES)
1138#define grdsf grdsf_
1139#endif
1140extern "C" {
1141 void grdsf(Double*, Double*);
1142}
1143void STGrid::spheroidalFunc( Vector<Float> &convFunc )
1144{
1145 convFunc = 0.0 ;
1146 for ( Int i = 0 ; i < convSampling_*convSupport_ ; i++ ) {
1147 Double nu = Double(i) / Double(convSupport_*convSampling_) ;
1148 Double val ;
1149 grdsf( &nu, &val ) ;
1150 convFunc(i) = ( 1.0 - nu * nu ) * val ;
1151 }
1152}
1153
1154void STGrid::gaussFunc( Vector<Float> &convFunc )
1155{
1156 convFunc = 0.0 ;
1157 // HWHM of the Gaussian is convSupport_ / 4
1158 // To take into account Gaussian tail, kernel cutoff is set to 4 * HWHM
1159 Int len = convSampling_ * convSupport_ ;
1160 Double hwhm = len * 0.25 ;
1161 for ( Int i = 0 ; i < len ; i++ ) {
1162 Double val = Double(i) / hwhm ;
1163 convFunc(i) = exp( -log(2)*val*val ) ;
1164 }
1165}
1166
1167void STGrid::pbFunc( Vector<Float> &convFunc )
1168{
1169 convFunc = 0.0 ;
1170}
1171
1172void STGrid::setConvFunc( Vector<Float> &convFunc )
1173{
1174 convSupport_ = userSupport_ ;
1175 if ( convType_ == "BOX" ) {
1176 if ( convSupport_ < 0 )
1177 convSupport_ = 0 ;
1178 Int convSize = convSampling_ * ( 2 * convSupport_ + 2 ) ;
1179 convFunc.resize( convSize ) ;
1180 boxFunc( convFunc, convSize ) ;
1181 }
1182 else if ( convType_ == "SF" ) {
1183 if ( convSupport_ < 0 )
1184 convSupport_ = 3 ;
1185 Int convSize = convSampling_ * ( 2 * convSupport_ + 2 ) ;
1186 convFunc.resize( convSize ) ;
1187 spheroidalFunc( convFunc ) ;
1188 }
1189 else if ( convType_ == "GAUSS" ) {
1190 // to take into account Gaussian tail
1191 if ( convSupport_ < 0 )
1192 convSupport_ = 12 ; // 3 * 4
1193 else {
1194 convSupport_ = userSupport_ * 4 ;
1195 }
1196 Int convSize = convSampling_ * ( 2 * convSupport_ + 2 ) ;
1197 convFunc.resize( convSize ) ;
1198 gaussFunc( convFunc ) ;
1199 }
1200 else if ( convType_ == "PB" ) {
1201 if ( convSupport_ < 0 )
1202 convSupport_ = 0 ;
1203 pbFunc( convFunc ) ;
1204 }
1205 else {
1206 throw AipsError( "Unsupported convolution function" ) ;
1207 }
1208}
1209
1210string STGrid::saveData( string outfile )
1211{
1212 LogIO os( LogOrigin("STGrid", "saveData", WHERE) ) ;
1213 double t0, t1 ;
1214 t0 = mathutil::gettimeofday_sec() ;
1215
1216 //Int polno = 0 ;
1217 String outfile_ ;
1218 if ( outfile.size() == 0 ) {
1219 if ( infileList_[0].lastchar() == '/' ) {
1220 outfile_ = infileList_[0].substr( 0, infileList_[0].size()-1 ) ;
1221 }
1222 else {
1223 outfile_ = infileList_[0] ;
1224 }
1225 outfile_ += ".grid" ;
1226 }
1227 else {
1228 outfile_ = outfile ;
1229 }
1230 Table tab ;
1231 prepareTable( tab, outfile_ ) ;
1232 IPosition dshape = data_.shape() ;
1233 Int nrow = nx_ * ny_ * npol_ ;
1234 tab.rwKeywordSet().define( "nPol", npol_ ) ;
1235 tab.addRow( nrow ) ;
1236 Vector<Double> cpix( 2 ) ;
1237 cpix(0) = Double( nx_ - 1 ) * 0.5 ;
1238 cpix(1) = Double( ny_ - 1 ) * 0.5 ;
1239 Vector<Double> dir( 2 ) ;
1240 ArrayColumn<Double> directionCol( tab, "DIRECTION" ) ;
1241 ArrayColumn<Float> spectraCol( tab, "SPECTRA" ) ;
1242 ScalarColumn<uInt> polnoCol( tab, "POLNO" ) ;
1243 Int irow = 0 ;
1244 Vector<Float> sp( nchan_ ) ;
1245 Bool bsp, bdata ;
1246 const Float *data_p = data_.getStorage( bdata ) ;
1247 Float *wsp_p, *sp_p ;
1248 const Float *wdata_p = data_p ;
1249 long step = nx_ * ny_ * npol_ ;
1250 long offset ;
1251 for ( Int iy = 0 ; iy < ny_ ; iy++ ) {
1252 dir(1) = center_(1) - ( cpix(1) - (Double)iy ) * celly_ ;
1253 for ( Int ix = 0 ; ix < nx_ ; ix++ ) {
1254 dir(0) = center_(0) - ( cpix(0) - (Double)ix ) * cellx_ ;
1255 for ( Int ipol = 0 ; ipol < npol_ ; ipol++ ) {
1256 offset = ix + iy * nx_ + ipol * nx_ * ny_ ;
1257 //os << "offset = " << offset << LogIO::POST ;
1258 sp_p = sp.getStorage( bsp ) ;
1259 wsp_p = sp_p ;
1260 wdata_p = data_p + offset ;
1261 for ( Int ichan = 0 ; ichan < nchan_ ; ichan++ ) {
1262 *wsp_p = *wdata_p ;
1263 wsp_p++ ;
1264 wdata_p += step ;
1265 }
1266 sp.putStorage( sp_p, bsp ) ;
1267 spectraCol.put( irow, sp ) ;
1268 directionCol.put( irow, dir ) ;
1269 polnoCol.put( irow, pollist_[ipol] ) ;
1270 irow++ ;
1271 }
1272 }
1273 }
1274 data_.freeStorage( data_p, bdata ) ;
1275
1276 t1 = mathutil::gettimeofday_sec() ;
1277 os << "saveData: elapsed time is " << t1-t0 << " sec." << LogIO::POST ;
1278
1279 return outfile_ ;
1280}
1281
1282void STGrid::prepareTable( Table &tab, String &name )
1283{
1284 Table t( infileList_[0], Table::Old ) ;
1285 t.deepCopy( name, Table::New, False, t.endianFormat(), True ) ;
1286 tab = Table( name, Table::Update ) ;
1287}
1288
1289}
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