Line data Source code
1 :
2 : //# RFFlagCube.cc: this defines RFFlagCube
3 : //# Copyright (C) 2000,2001,2002
4 : //# Associated Universities, Inc. Washington DC, USA.
5 : //#
6 : //# This library is free software; you can redistribute it and/or modify it
7 : //# under the terms of the GNU Library General Public License as published by
8 : //# the Free Software Foundation; either version 2 of the License, or (at your
9 : //# option) any later version.
10 : //#
11 : //# This library is distributed in the hope that it will be useful, but WITHOUT
12 : //# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 : //# FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public
14 : //# License for more details.
15 : //#
16 : //# You should have received a copy of the GNU Library General Public License
17 : //# along with this library; if not, write to the Free Software Foundation,
18 : //# Inc., 675 Massachusetts Ave, Cambridge, MA 02139, USA.
19 : //#
20 : //# Correspondence concerning AIPS++ should be addressed as follows:
21 : //# Internet email: aips2-request@nrao.edu.
22 : //# Postal address: AIPS++ Project Office
23 : //# National Radio Astronomy Observatory
24 : //# 520 Edgemont Road
25 : //# Charlottesville, VA 22903-2475 USA
26 : //#
27 : //# $Id$
28 : #include <flagging/Flagging/RFFlagCube.h>
29 : #include <casacore/casa/Exceptions/Error.h>
30 : #include <msvis/MSVis/VisBuffer.h>
31 : #include <casacore/casa/Arrays/ArrayLogical.h>
32 : #include <casacore/casa/Arrays/ArrayMath.h>
33 : #include <casacore/casa/Arrays/LogiVector.h>
34 : #include <casacore/casa/Utilities/Regex.h>
35 : #include <casacore/casa/OS/Time.h>
36 : #include <casacore/casa/Quanta/MVTime.h>
37 : #include <memory>
38 : #include <stdio.h>
39 :
40 : using namespace std;
41 :
42 : using namespace casacore;
43 : namespace casa { //# NAMESPACE CASA - BEGIN
44 :
45 : const Bool dbg=false;
46 : const Bool mdbg=false;
47 : const Bool verbose=false;
48 :
49 : RFCubeLattice<RFlagWord> RFFlagCube::flag; // global flag lattice
50 : Cube<Bool> RFFlagCube::in_flags; //global flag array (kiss mode)
51 : int RFFlagCube::in_flags_time;
52 : bool RFFlagCube::in_flags_flushed;
53 :
54 : FlagMatrix RFFlagCube::flagrow; // this data type supports only up to 32 agents (bad design)
55 : Matrix<vector<bool> > RFFlagCube::flagrow_kiss; // in kiss mode, support more agents
56 : Int RFFlagCube::pos_get_flag=-1,RFFlagCube::pos_set_flag=-1;
57 :
58 : RFlagWord RFFlagCube::base_flagmask=1,
59 : RFFlagCube::full_corrmask;
60 : Int RFFlagCube::agent_count=0, RFFlagCube::num_inst=0;
61 : Vector<RFlagWord> RFFlagCube::corr_flagmask;
62 : //This is a map from a set of correlations to a set of agents, i.e.
63 : // which agents deal with any of the given correlations
64 :
65 : Bool RFFlagCube::reset_preflags;
66 : LogIO RFFlagCube::default_sink(LogOrigin("Flagger","FlagCube"));
67 :
68 0 : RFFlagCube::RFFlagCube ( RFChunkStats &ch,Bool ignore,Bool reset,LogIO &sink )
69 0 : : chunk(ch),os(sink)
70 : {
71 0 : num_inst++;
72 0 : if( reset )
73 : {
74 0 : pfpolicy = FL_RESET;
75 : if(verbose) os<<"Existing flags will be reset\n"<<LogIO::POST;
76 : }
77 : else
78 : {
79 0 : if( ignore )
80 : {
81 0 : pfpolicy = FL_IGNORE;
82 : if(verbose) os<<"Existing flags will be ignored, but added to\n"<<LogIO::POST;
83 : }
84 : else
85 : {
86 0 : pfpolicy = FL_HONOR;
87 : if(verbose) os<<"Existing flags will be honored\n"<<LogIO::POST;
88 : }
89 : }
90 0 : }
91 :
92 0 : RFFlagCube::~RFFlagCube ()
93 : {
94 0 : in_flags.resize(0, 0, 0);
95 0 : in_flags_time = -1;
96 0 : in_flags_flushed = false;
97 0 : num_inst--;
98 0 : if (num_inst == 0) {
99 0 : cleanup();
100 : }
101 0 : }
102 :
103 0 : uInt RFFlagCube::estimateMemoryUse ( const RFChunkStats &ch )
104 : {
105 : return
106 0 : ch.num(CHAN) * ch.num(IFR) * ch.num(TIME) *
107 0 : sizeof(RFlagWord) / (1024*1024) + 1;
108 :
109 : }
110 :
111 : // creates flag cube for a given visibility chunk
112 0 : void RFFlagCube::init( RFlagWord corrmsk, uInt nAgent, bool only_selector, const String &name)
113 : {
114 : if (dbg) cout << "name=" << name << endl;
115 :
116 0 : kiss = only_selector; /* Use a Cube<Bool> instead of the
117 : expensive flag lattice in this case */
118 :
119 : /* Using the 'flagrow_kiss' buffer instead of 'flagrow'
120 : allows to have more than 32 agents+correlations, but at a
121 : (small, maybe insignificant 1m38s vs 1m32s) runtime cost.
122 : Therefore use it only when necessary.
123 : */
124 0 : kiss_flagrow = (kiss && nAgent + num(CORR) + 1 > sizeof(RFlagWord)*8);
125 :
126 : // In order to use flagrow_kiss whenever possible (for testing), define here kiss_flagrow = kiss;
127 :
128 : // setup some masks
129 0 : corrmask = corrmsk;
130 0 : check_corrmask = (pfpolicy == FL_HONOR) ? corrmsk : 0;
131 0 : check_rowmask = (pfpolicy == FL_HONOR) ? RowFlagged : 0;
132 :
133 : // clear stats
134 0 : tot_fl_raised=tot_row_fl_raised=fl_raised=fl_cleared=
135 0 : row_fl_raised=row_fl_cleared=0;
136 :
137 : // init flag cube if it is empty
138 0 : if ( !flag.shape().nelements() ) {
139 :
140 0 : reset_preflags=false;
141 :
142 : // setup correlation masks. The first NCORR bits of the flag word
143 : // are used to store the apriori flags. Basemask is the first bitmask
144 : // actually used for flagging
145 0 : base_flagmask = num(CORR) >= 2 ? 1 << num(CORR) : 4; // is this a bug, should base_flagmask be 2 if num(CORR) is 1?
146 :
147 : // full_corrmask is the mask of all correlations flagged
148 0 : full_corrmask = (1<<num(CORR))-1;
149 :
150 0 : if (!kiss) {
151 : // init empty flag lattice
152 : // initial state is all pre-flags set; we'll clear them as we go along
153 0 : flag.init(num(CHAN),num(IFR),num(TIME),num(CORR), nAgent, full_corrmask);
154 :
155 : }
156 : else {
157 : /* Set shape to a dummy value,
158 : only so that we can later use flag.shape().nelements()
159 : in the if conditions.
160 : */
161 0 : flag.shape().resize(1);
162 0 : in_flags_time = -1;
163 :
164 : }
165 :
166 0 : if (!kiss_flagrow) {
167 : // allocate cube of row flags
168 0 : flagrow.resize(num(IFR),num(TIME));
169 0 : flagrow = RowFlagged|RowAbsent; // 0000 0011
170 :
171 0 : corr_flagmask.resize(1<<num(CORR));
172 0 : corr_flagmask = 0;
173 : }
174 : else {
175 0 : flagrow_kiss.resize(num(IFR),num(TIME));
176 0 : unsigned long val = (RowFlagged|RowAbsent);
177 0 : flagrow_kiss = bitvec_from_ulong( val, (num(CORR) >= 2 ? num(CORR) : 2) + nAgent );
178 : }
179 :
180 0 : pos_get_flag = pos_set_flag = -1;
181 :
182 : // reset instance counters
183 0 : agent_count = 0;
184 : }
185 0 : if (kiss_flagrow) {
186 : // basebit plus agent_count
187 0 : flagmask_kiss = (num(CORR) >= 2 ? num(CORR) : 2) + agent_count;
188 :
189 : }
190 : else {
191 0 : flagmask = base_flagmask << agent_count;
192 : if (dbg) cout << "agent_count=" << agent_count
193 : << " base_flagmask=" << base_flagmask
194 : << " flagmask=" << (flagmask > UINT_MAX) << endl;
195 0 : if( !flagmask )
196 0 : throw(AipsError("Too many flagging agents instantiated"));
197 : }
198 0 : agent_count++;
199 :
200 : // raise flag if any one instance has a RESET pre-flag policy
201 0 : if ( pfpolicy==FL_RESET )
202 0 : reset_preflags=true;
203 :
204 : // set bits in corr_flagmask, not used in kiss mode
205 0 : if (!kiss_flagrow) {
206 0 : for ( uInt cm=0; cm < corr_flagmask.nelements(); cm++ )
207 0 : if ( cm & corrmask )
208 0 : corr_flagmask(cm) |= flagmask;
209 : }
210 :
211 : if(dbg) cout << "End of init. reset_preflags : " << reset_preflags << endl;
212 0 : }
213 :
214 : // deallocates flag cube
215 0 : void RFFlagCube::cleanup ()
216 : {
217 0 : if (flag.shape().nelements()) {
218 0 : flag.cleanup();
219 0 : if (!kiss_flagrow) {
220 0 : flagrow.resize(0,0);
221 0 : corr_flagmask.resize(0);
222 : }
223 : else {
224 0 : flagrow_kiss.resize(0, 0);
225 : }
226 0 : agent_count=0;
227 : }
228 0 : }
229 :
230 0 : void RFFlagCube::reset ()
231 : {
232 0 : fl_raised=fl_cleared=row_fl_raised=row_fl_cleared=0;
233 0 : if (!kiss_flagrow) {
234 0 : my_corrflagmask = corr_flagmask(corrmask);
235 : }
236 0 : if (!kiss) {
237 0 : flag.reset();
238 : }
239 :
240 0 : return;
241 : }
242 :
243 0 : String RFFlagCube::getSummary ()
244 : {
245 : char s[128];
246 0 : sprintf(s, "%d pixel flags, %d row flags",
247 : tot_fl_raised,tot_row_fl_raised);
248 0 : return s;
249 : }
250 :
251 : // prints flagging statistics
252 0 : void RFFlagCube::printStats ()
253 : {
254 0 : if( tot_fl_raised )
255 0 : dprintf(os,"%d pixel flags; %d raised this pass, %d cleared\n",
256 : tot_fl_raised,fl_raised,fl_cleared);
257 0 : if( tot_row_fl_raised )
258 0 : dprintf(os,"%d row flags; %d raised this pass, %d cleared\n",
259 : tot_row_fl_raised,row_fl_raised,row_fl_cleared);
260 0 : }
261 :
262 : // Sets flag at (ich, ifr) to 1. Returns true if the flag has not been raised
263 : // previously.
264 0 : Bool RFFlagCube::setFlag ( uInt ich,uInt ifr, FlagCubeIterator &iter )
265 : {
266 0 : if (kiss) {
267 0 : uInt c = 1;
268 0 : bool raised = false;
269 0 : for (uInt icorr = 0; icorr < num(CORR); icorr++, c<<=1) {
270 0 : if (c & corrmask) {
271 0 : if (!in_flags(icorr, ich, ifr)) {
272 0 : raised = true;
273 : }
274 0 : in_flags(icorr, ich, ifr) = 1;
275 : }
276 : }
277 0 : if (raised) {
278 0 : tot_fl_raised++;
279 0 : fl_raised++;
280 : }
281 0 : return raised;
282 : }
283 :
284 : if (dbg) cerr << "flag for " << ich << "," << ifr << "corrmask = " << corrmask;
285 :
286 0 : RFlagWord oldfl = iter(ich,ifr);
287 : if (dbg) cerr << " : " << oldfl << "," << flagmask;
288 0 : if ( !(oldfl&flagmask) ) {
289 0 : tot_fl_raised++;
290 0 : fl_raised++;
291 : if (dbg) cerr << " setting " << oldfl << " | " << flagmask << endl;
292 0 : iter.set(ich, ifr, oldfl | flagmask);
293 : if (dbg) cerr << " -----> true --> " << iter(ich,ifr) << endl;
294 0 : return true;
295 : }
296 : if (dbg) cerr << " -----> false --> " << iter(ich,ifr) << endl;
297 0 : return false;
298 : }
299 :
300 : // Clears flag at (ich,iifr). Returns true if flag was up before.
301 0 : Bool RFFlagCube::clearFlag ( uInt ich,uInt ifr,FlagCubeIterator &iter )
302 : {
303 : if(dbg) cerr << "unflag for " << ich << "," << ifr;
304 :
305 0 : if (kiss) {
306 :
307 0 : uInt c = 1;
308 0 : bool cleared = false;
309 0 : for (uInt icorr = 0; icorr < num(CORR); icorr++, c<<=1) {
310 0 : if (c & corrmask) {
311 0 : if (in_flags(icorr, ich, ifr)) {
312 0 : cleared = true;
313 0 : in_flags(icorr, ich, ifr) = 0;
314 : }
315 : }
316 : }
317 0 : if (cleared) {
318 0 : tot_fl_raised--;
319 0 : fl_cleared++;
320 : }
321 0 : return cleared;
322 : }
323 :
324 0 : RFlagWord oldfl = iter(ich,ifr);
325 : if(dbg)cerr << " : " << oldfl << "," << flagmask;
326 :
327 : // all flags cleared for this point - update global stats
328 :
329 0 : if( !(oldfl&flagmask) ) {
330 0 : tot_fl_raised--;
331 0 : fl_cleared++;
332 0 : iter.set(ich, ifr, oldfl & flagmask);
333 : if(dbg)cerr << " -----> true --> " << iter(ich,ifr) << endl;
334 0 : return true;
335 : }
336 : if(dbg)cerr << " -----> false --> " << iter(ich,ifr) << endl;
337 0 : return false;
338 : }
339 :
340 : // Sets flag at (ifr, itime). Returns true if flag has not been raised
341 : // previously.
342 0 : Bool RFFlagCube::setRowFlag ( uInt ifr, uInt itime )
343 : {
344 0 : if (kiss_flagrow){
345 :
346 0 : const std::vector<bool> &oldfl = flagrow_kiss(ifr, itime);
347 :
348 0 : if ( ! oldfl[flagmask_kiss] ) {
349 0 : tot_row_fl_raised++;
350 0 : row_fl_raised++;
351 :
352 0 : flagrow_kiss(ifr, itime)[flagmask_kiss] = true;
353 :
354 0 : return true;
355 : }
356 0 : return false;
357 : }
358 : else {
359 0 : RFlagWord oldfl = flagrow(ifr,itime);
360 :
361 : // first flag raised for this row - update global stats
362 0 : if ( !(oldfl&flagmask) )
363 : {
364 0 : tot_row_fl_raised++;
365 0 : row_fl_raised++;
366 0 : flagrow(ifr, itime) = oldfl | flagmask;
367 0 : return true;
368 : }
369 0 : return false;
370 : }
371 : }
372 :
373 : // Clears row flag for (ifr, itime). Returns true if flag was up before.
374 0 : Bool RFFlagCube::clearRowFlag ( uInt ifr,uInt itime )
375 : {
376 0 : if (kiss_flagrow){
377 :
378 0 : const std::vector<bool> &oldfl = flagrow_kiss(ifr, itime);
379 :
380 0 : if ( oldfl[flagmask_kiss] ) {
381 0 : tot_row_fl_raised--;
382 0 : row_fl_raised++;
383 :
384 0 : flagrow_kiss(ifr, itime)[flagmask_kiss] = false;
385 :
386 0 : return true;
387 : }
388 0 : return false;
389 : }
390 : else {
391 0 : RFlagWord oldfl = flagrow(ifr, itime);
392 :
393 0 : if (oldfl & flagmask) {
394 0 : tot_row_fl_raised--;
395 0 : row_fl_cleared++;
396 0 : flagrow(ifr,itime) = oldfl & (~flagmask);
397 0 : return true;
398 : }
399 0 : return false;
400 : }
401 : }
402 :
403 : // Advances the global flag lattice iterator to the specified time.
404 : // If pfr and pfc are specified, fills in data
405 0 : void RFFlagCube::advance( uInt it,Bool getFlags )
406 : {
407 0 : if( !kiss && flag.position() != (Int)it )
408 0 : flag.advance(it);
409 0 : if( getFlags )
410 0 : getMSFlags(it);
411 0 : return;
412 : }
413 :
414 : // Fills lattice with apriori flags (from VisBuffer in ChunkStats)
415 0 : void RFFlagCube::getMSFlags(uInt it)
416 : {
417 : // return if already filled at this iterator position
418 0 : if( !kiss ) {
419 0 : if (pos_get_flag >= flag.position() )
420 0 : return;
421 :
422 0 : pos_get_flag = flag.position();
423 : }
424 : else {
425 0 : pos_get_flag = it;
426 0 : if (in_flags_time == (int)it) {
427 0 : return;
428 : }
429 0 : in_flags_time = it;
430 0 : in_flags_flushed = false;
431 : }
432 :
433 0 : unique_ptr<FlagVector> fl_row;
434 0 : FlagVector *flr = NULL;
435 :
436 : // FlagVector fl_row;//(flagrow.column(pos_get_flag));
437 0 : if (!kiss) {
438 0 : fl_row = unique_ptr<FlagVector>(new FlagVector(flagrow.column(pos_get_flag)));
439 0 : flr = fl_row.get();
440 : }
441 :
442 0 : const Vector<Bool> & fr( chunk.visBuf().flagRow() );
443 :
444 0 : in_flags.resize(num(CORR), num(CHAN), num(IFR));
445 :
446 0 : if( reset_preflags ) // RESET pre-flag policy: reset the flags
447 : {
448 0 : for( uInt i=0; i<fr.nelements(); i++ )
449 : {
450 0 : uInt ifr = chunk.ifrNum(i);
451 :
452 0 : if (!kiss) {
453 : // clear row flag
454 0 : (*flr)(ifr) &= ~(RowAbsent|RowFlagged); // 0000 0011 & 1111 1100 = 0000 0000
455 : // clear pixel flags
456 0 : flag.set_column(ifr, 0); // 0000 0000
457 : }
458 :
459 0 : for (uInt ichan = 0; ichan < num(CHAN); ichan++) {
460 0 : for (uInt icorr = 0; icorr < num(CORR); icorr++) {
461 0 : in_flags(icorr, ichan, ifr) = 0;
462 : }
463 : }
464 : }
465 : }
466 : else // HONOR/IGNORE policy: faithfully copy flags from FLAG and FLAG_ROW
467 : {
468 0 : const Cube<Bool> & fc( chunk.visBuf().flagCube() );
469 :
470 0 : if (fc.shape()(0) != (Int) num(CORR) ||
471 0 : fc.shape()(1) != (Int) num(CHAN))
472 : {
473 0 : stringstream ss;
474 0 : ss << "The shape of FLAGs has changed (from (" << num(CORR) << ", " << num(CHAN)
475 0 : << ") to (" << fc.shape()(0) << ", " << fc.shape()(1) << ")) within the same chunk. "
476 0 : << "Invalid MS.";
477 0 : throw AipsError(ss.str());
478 : }
479 :
480 : Bool deleteIn, deleteFc;
481 0 : Bool *inp = in_flags.getStorage(deleteIn);
482 0 : const Bool *fcp = fc.getStorage(deleteFc);
483 :
484 0 : for( uInt i=0; i < fr.nelements(); i++ )
485 : {
486 0 : uInt ifr = chunk.ifrNum(i);
487 :
488 0 : if (fr(i)) {
489 0 : unsigned n = num(CHAN)*num(CORR);
490 0 : for (unsigned j = 0; j < n; j++) {
491 0 : inp[j + ifr * n] = 1;
492 : }
493 : }
494 : else {
495 0 : unsigned n = num(CORR) * num(CHAN);
496 0 : for (unsigned j = 0; j < n; j++) {
497 0 : inp[j + n * ifr] = fcp[j + n * i];
498 : }
499 : }
500 :
501 0 : if (!kiss) {
502 0 : (*flr)(ifr) &= ~RowAbsent; // 0000 0011 & 11111101 = 0000 0001
503 : // initial state of lattice is all correlations flagged, so we just
504 : // ignore flagged rows
505 : //if( !fr(i) ) // row not flagged, or we ignore/reset flags
506 : //{
507 : // clear row flag in internal matrix, if needed
508 0 : if( !fr(i) )
509 0 : (*flr)(ifr) &= ~RowFlagged; // 0000 0001 & 1111 1110 -> 0000 0000
510 : /* clear all row flags...so that only new flags are true at the end */
511 :
512 : ///... read in chan flags for all rows......
513 : ///... because all may need to be written back.
514 :
515 :
516 : /* The lattice was initialized to all flags set,
517 : Now clear as appropriate (if not FLAG_ROW and not FLAG)
518 : */
519 0 : if (num(CORR) == 1) {
520 0 : for (uInt ich=0; ich<num(CHAN); ich++ ) {
521 0 : if( !(*flr)(ifr) && !fc(0, ich, i) ) {
522 0 : flag.set(ich, ifr, 0, 0);
523 : }
524 : }
525 : }
526 : else {
527 0 : for (uInt ich=0; ich<num(CHAN); ich++ ) {
528 0 : for (uInt icorr=0; icorr<num(CORR); icorr++ ) {
529 :
530 0 : if( !(*flr)(ifr) && !fc(icorr, ich, i) ) {
531 : //(*flag.cursor())(ich,ifr) &= ~(1<<icorr);
532 :
533 0 : flag.set(ich, ifr, icorr, 0);
534 : }
535 : }
536 : }
537 : }
538 : }
539 : }
540 0 : in_flags.putStorage(inp, deleteIn);
541 0 : fc.freeStorage(fcp, deleteFc);
542 : }
543 : }
544 :
545 :
546 : // Moves flags from lattice to VisBuffer
547 : // ifrnums is a vector of IFR indices (derived from antenna indices)
548 0 : void RFFlagCube::setMSFlags(uInt itime)
549 : {
550 : // cerr << itime << " write to visIter" << endl;
551 : //jmlarsen: This function should probably use the flagrow member variable.
552 :
553 : if(mdbg)
554 : {
555 : cerr << "RFFlagCube :: setMSFlags for " ;
556 : cerr << "itime : " << itime << endl;
557 : }
558 :
559 : // return if already done at this iterator position
560 0 : if (!kiss) {
561 0 : if( flag.position() <= pos_set_flag )
562 0 : return;
563 :
564 0 : pos_set_flag = flag.position();
565 : }
566 : else {
567 0 : if (in_flags_flushed) {
568 0 : return;
569 : }
570 : else {
571 0 : in_flags_flushed = true;
572 : }
573 : }
574 :
575 0 : uInt nr = chunk.visBuf().nRow();
576 0 : Vector<Bool> out_flagrow( nr,false );
577 0 : Cube<Bool> out_flagcube( num(CORR),num(CHAN),nr,false );
578 :
579 0 : chunk.nrfTime(itime) = 0;
580 :
581 : Bool deleteOut, deleteIn;
582 0 : Bool *outp = out_flagcube.getStorage(deleteOut);
583 0 : const Bool *inp = in_flags.getStorage(deleteIn);
584 :
585 : Bool deleteNfChanIfr;
586 0 : uInt *nfChanIfrp = chunk.nfChanIfr().getStorage(deleteNfChanIfr);
587 :
588 0 : unsigned ncorr = num(CORR);
589 0 : unsigned nchan = num(CHAN);
590 :
591 0 : for( uInt ir=0; ir<nr; ir++ )
592 : {
593 0 : uInt ifr = chunk.ifrNum(ir);
594 :
595 0 : chunk.nrfIfr(ifr) = 0;
596 :
597 : if (dbg) cerr << " at " << __FILE__ << " " << __func__ << " " << __LINE__ << " " << __LINE__ << out_flagrow(ir) << endl;
598 :
599 : // Set data flags
600 0 : unsigned n = nchan * ncorr;
601 0 : unsigned iout = n*ir;
602 0 : unsigned iin = n*ifr;
603 0 : unsigned iChanIfr = nchan * ifr;
604 0 : uInt &iNfIfrTime = chunk.nfIfrTime(ifr, itime);
605 0 : iNfIfrTime = 0;
606 0 : for( uInt ich=0; ich < nchan; ich++, iChanIfr++) {
607 0 : nfChanIfrp[iChanIfr] = 0;
608 : }
609 :
610 0 : iChanIfr = nchan * ifr;
611 0 : for( uInt ich=0; ich < nchan; ich++, iChanIfr++) {
612 :
613 0 : if (kiss) {
614 :
615 0 : if (ncorr == 1) {
616 : /* TODO assignment correct? */
617 0 : if ((outp[iout++] = inp[iin++])) {
618 0 : nfChanIfrp[iChanIfr]++;
619 0 : iNfIfrTime++;
620 : }
621 : }
622 : else {
623 0 : for( uInt icorr = 0; icorr < ncorr; icorr++, iout++, iin++) {
624 : /* TODO assignment correct? */
625 0 : if ((outp[iout] = inp[iin])) {
626 0 : nfChanIfrp[iChanIfr]++;
627 0 : iNfIfrTime++;
628 : }
629 : }
630 : }
631 : } else {
632 :
633 0 : RFlagWord fw = flag(ich, ifr);
634 :
635 0 : if (fw) {
636 : // if anything was raised for this channel
637 :
638 : // loop over correlations and see which are (a) preflagged
639 : // (b) been flagged by agents.
640 0 : RFlagWord cmask = 1;
641 0 : if (num(CORR) == 1) {
642 :
643 0 : if ((fw & 1) || (fw & corr_flagmask(1))) {
644 0 : out_flagcube(0, ich, ir) = true;
645 0 : chunk.nfChanIfr(ich,ifr)++;
646 0 : chunk.nfIfrTime(ifr,itime)++;
647 : }
648 : }
649 : else {
650 0 : for( uInt icorr=0; icorr<num(CORR); icorr++, cmask<<=1 ) {
651 :
652 0 : if( (fw & cmask) // (a) if fw is set for this correlation
653 0 : ||
654 0 : (fw & corr_flagmask(cmask)) // (b) if agent flag in fw
655 : // is set for any agent that
656 : // deals with this correlation
657 : ) {
658 :
659 0 : out_flagcube(icorr,ich,ir) = true;
660 0 : chunk.nfChanIfr(ich,ifr)++;
661 0 : chunk.nfIfrTime(ifr,itime)++;
662 : }
663 : }
664 : }
665 : }
666 : }
667 : }
668 :
669 : /* if any dataflags have been unflagged, they already are.
670 : if any rowflags have been unflagged, this is already in the dataflags too */
671 : /* if any dataflags have been flagged - this info is there in dataflags.
672 : if any rowflags have been flagged, this is also there in dataflags */
673 : // so make flag_row the AND of the dataflags.
674 :
675 : /* Set flagrow if everything was flagged */
676 :
677 : /* Fill in all the flag counts here */
678 : // chunk.nf*
679 : // nrfIfr(ifr), nrfTime(itime), nfIfrTime(ifr,itime), nfChanIfr(ich,ifr)
680 :
681 0 : if (chunk.nfIfrTime(ifr, itime) == nchan * ncorr) {
682 :
683 0 : out_flagrow(ir) = true;
684 :
685 0 : chunk.nrfIfr(ifr)++;
686 0 : chunk.nrfTime(itime)++;
687 : }
688 : }
689 :
690 0 : out_flagcube.putStorage(outp, deleteOut);
691 0 : in_flags.freeStorage(inp, deleteIn);
692 0 : chunk.nfChanIfr().putStorage(nfChanIfrp, deleteNfChanIfr);
693 :
694 : if(mdbg)
695 : {
696 : Int cnt1=0,cnt2=0;
697 : for( uInt ir=0; ir<nr; ir++ )
698 : {
699 : uInt ifr = chunk.ifrNum(ir);
700 : cnt1 += chunk.nrfIfr(ifr);
701 : cnt2 += chunk.nfIfrTime(ifr,itime);
702 : cerr << "Sum of flagrow (ifr) : " << cnt1 << endl;
703 : cerr << "Sum of flags (ifr,itime): " << cnt2 << endl;
704 : }
705 : }
706 :
707 0 : chunk.visIter().setFlag(out_flagcube);
708 0 : chunk.visIter().setFlagRow(out_flagrow);
709 : }
710 :
711 : } //# NAMESPACE CASA - END
712 :
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