source: trunk/src/STCalSkyOtfAlma.cpp @ 2757

Last change on this file since 2757 was 2757, checked in by Takeshi Nakazato, 11 years ago

New Development: No

JIRA Issue: Yes CAS-4770

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...

First version of Calibrator class for OTF scan without OFF.


File size: 4.8 KB
Line 
1//
2// C++ Implementation: STCalSkyOtfAlma
3//
4// Description:
5//
6//
7// Author: Takeshi Nakazato <takeshi.nakazato@nao.ac.jp> (C) 2012
8//
9// Copyright: See COPYING file that comes with this distribution
10//
11//
12
13#include <vector>
14#include "STSelector.h"
15#include "STCalSkyOtfAlma.h"
16#include "RowAccumulator.h"
17#include "STIdxIter.h"
18#include "STDefs.h"
19#include "EdgeMarker.h"
20
21#include <atnf/PKSIO/SrcType.h>
22
23using namespace std;
24using namespace casa;
25
26namespace asap {
27  STCalSkyOtfAlma::STCalSkyOtfAlma(CountedPtr<Scantable> &s, bool israster)
28    : STCalSkyPSAlma(s),
29      israster_(israster)
30{}
31
32void STCalSkyOtfAlma::setupSelector()
33{
34  sel_.reset();
35
36  // Detect edges using EdgeMarker
37  EdgeMarker marker(false); // generic (non-raster) scan pattern
38  marker.setdata(scantable_, True);  // we can set insitu=True since we only need
39                            // a list of rows to be marked. No marking is
40                            // done here.
41  marker.setoption(options_);
42  marker.detect();
43  Block<uInt> rows = marker.getDetectedRows();
44  vector<int> vectorRows(rows.nelements());
45  for (size_t i = 0; i < vectorRows.size(); ++i)
46    vectorRows[i] = rows[i];
47
48  // Set list of row indices to selector
49  sel_.setRows(vectorRows);
50}
51
52// void STCalSkyOtfAlma::fillCalTable()
53// {
54//   RowAccumulator acc(W_TINT);
55 
56//   vector<string> cols(3);
57//   cols[0] = "IFNO";
58//   cols[1] = "POLNO";
59//   cols[2] = "BEAMNO";
60//   STIdxIterAcc iter(scantable_, cols);
61
62//   ROScalarColumn<Double> *tcol = new ROScalarColumn<Double>(scantable_->table(), "TIME");
63//   Vector<Double> timeSec = tcol->getColumn() * 86400.0;
64//   tcol->attach(scantable_->table(), "INTERVAL");
65//   Vector<Double> intervalSec = tcol->getColumn();
66//   delete tcol;
67//   ROScalarColumn<Float> *ecol = new ROScalarColumn<Float>(scantable_->table(), "ELEVATION");
68//   Vector<Float> elevation = ecol->getColumn();
69//   delete ecol;
70
71//   ROArrayColumn<Float> specCol(scantable_->table(), "SPECTRA");
72//   ROArrayColumn<uChar> flagCol(scantable_->table(), "FLAGTRA");
73//   ROScalarColumn<uInt> freqidCol(scantable_->table(), "FREQ_ID");
74
75//   // dummy Tsys: the following process doesn't need Tsys but RowAccumulator
76//   //             requires to set it with spectral data
77//   Vector<Float> tsys(1, 1.0);
78
79//   Double timeCen = 0.0;
80//   Float elCen = 0.0;
81//   uInt count = 0;
82
83//   while(!iter.pastEnd()) {
84//     Vector<uInt> rows = iter.getRows(SHARE);
85//     Vector<uInt> current = iter.current();
86//     uInt len = rows.nelements();
87//     if (len == 0) {
88//       iter.next();
89//       continue;
90//     }
91//     else if (len == 1) {
92//       STCalSkyTable *p = dynamic_cast<STCalSkyTable *>(&(*applytable_));
93//       uInt irow = rows[0];
94//       p->appenddata(0, 0, current[2], current[0], current[1],
95//                     freqidCol(irow), timeSec[irow], elevation[irow], specCol(irow));
96//       iter.next();
97//       continue;
98//     }
99   
100//     uInt nchan = scantable_->nchan(scantable_->getIF(rows[0]));
101//     Vector<uChar> flag(nchan);
102//     Vector<Bool> bflag(nchan);
103//     Vector<Float> spec(nchan);
104
105//     Vector<Double> timeSep(len);
106//     for (uInt i = 0; i < len-1; i++) {
107//       timeSep[i] = timeSec[rows[i+1]] - timeSec[rows[i]] ;
108//     }
109//     Double tMedian = median(timeSep(IPosition(1,0), IPosition(1,len-2)));
110//     timeSep[len-1] = tMedian * 10000.0 ; // any large value
111
112//     uInt irow ;
113//     uInt jrow ;
114//     for (uInt i = 0; i < len; i++) {
115//       irow = rows[i];
116//       jrow = (i < len-1) ? rows[i+1] : rows[i];
117//       // accumulate data
118//       flagCol.get(irow, flag);
119//       convertArray(bflag, flag);
120//       specCol.get(irow, spec);
121//       if ( !allEQ(bflag,True) )
122//         acc.add( spec, !bflag, tsys, intervalSec[irow], timeSec[irow] ) ;
123//       timeCen += timeSec[irow];
124//       elCen += elevation[irow];
125//       count++;
126
127//       // check time gap
128//       double gap = 2.0 * timeSep[i] / (intervalSec[jrow] + intervalSec[irow]);
129//       if ( gap > 1.1 ) {
130//         if ( acc.state() ) {
131//           acc.replaceNaN() ;
132// //           const Vector<Bool> &msk = acc.getMask();
133// //           convertArray(flag, !msk);
134// //           for (uInt k = 0; k < nchan; ++k) {
135// //             uChar userFlag = 1 << 7;
136// //             if (msk[k]==True) userFlag = 0 << 7;
137// //             flag(k) = userFlag;
138// //           }
139//           timeCen /= (Double)count * 86400.0; // sec->day
140//           elCen /= (Float)count;
141//           STCalSkyTable *p = dynamic_cast<STCalSkyTable *>(&(*applytable_));
142//           p->appenddata(0, 0, current[2], current[0], current[1],
143//                         freqidCol(irow), timeCen, elCen, acc.getSpectrum());
144//         }
145//         acc.reset() ;
146//         timeCen = 0.0;
147//         elCen = 0.0;
148//         count = 0;
149//       }
150//     }
151
152//     iter.next() ;
153//   }
154// }
155
156}
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