source: trunk/src/SDContainer.cc @ 14

Last change on this file since 14 was 14, checked in by mmarquar, 20 years ago

I am now using ArrayIterators? everywhere. This gives an ENORMOUS performance boost.

  • Property svn:eol-style set to native
  • Property svn:keywords set to Author Date Id Revision
File size: 4.7 KB
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1//#---------------------------------------------------------------------------
2//# SDContainer.cc: A container class for single dish integrations
3//#---------------------------------------------------------------------------
4//# Copyright (C) 2004
5//# Malte Marquarding, ATNF
6//#
7//# This program is free software; you can redistribute it and/or modify it
8//# under the terms of the GNU General Public License as published by the Free
9//# Software Foundation; either version 2 of the License, or (at your option)
10//# any later version.
11//#
12//# This program is distributed in the hope that it will be useful, but
13//# WITHOUT ANY WARRANTY; without even the implied warranty of
14//# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General
15//# Public License for more details.
16//#
17//# You should have received a copy of the GNU General Public License along
18//# with this program; if not, write to the Free Software Foundation, Inc.,
19//# 675 Massachusetts Ave, Cambridge, MA 02139, USA.
20//#
21//# Correspondence concerning this software should be addressed as follows:
22//#        Internet email: Malte.Marquarding@csiro.au
23//#        Postal address: Malte Marquarding,
24//#                        Australia Telescope National Facility,
25//#                        P.O. Box 76,
26//#                        Epping, NSW, 2121,
27//#                        AUSTRALIA
28//#
29//# $Id:
30//#---------------------------------------------------------------------------
31#include <aips/Tables/Table.h>
32#include <aips/Arrays/IPosition.h>
33#include <aips/Arrays/ArrayAccessor.h>
34#include <aips/Arrays/Matrix.h>
35
36#include "SDContainer.h"
37
38using namespace atnf_sd;
39
40SDContainer::SDContainer(uInt nBeam, uInt nIF, uInt nChan, uInt nPol)
41  : nBeam_(nBeam),
42  nIF_(nIF),
43  nChan_(nChan),
44  nPol_(nPol),
45  spectrum_(IPosition(4,nBeam,nIF,nChan,nPol)),
46  flags_(IPosition(4,nBeam,nIF,nChan,nPol)),
47  tsys_(IPosition(4,nBeam,nIF,nChan,nPol)) {
48  uChar x = 0;
49  flags_ = ~x;
50}
51
52SDContainer::~SDContainer() {
53}
54
55Bool SDContainer::putSpectrum(const Array<Float>& spec) {
56  spectrum_ = spec;
57}
58Bool SDContainer::putFlags(const Array<uChar>& flag) {
59  flags_ = flag;
60}
61Bool SDContainer::putTsys(const Array<Float>& tsys) {
62  tsys_ = tsys;
63}
64
65Bool SDContainer::setSpectrum(const Matrix<Float>& spec,
66                              uInt whichBeam, uInt whichIF) {
67
68  ArrayAccessor<Float, Axis<0> > aa0(spectrum_);
69  aa0.reset(aa0.begin(whichBeam));
70  ArrayAccessor<Float, Axis<1> > aa1(aa0);
71  aa1.reset(aa1.begin(whichIF));
72 
73  //Vector<Float> pols(nPol);
74  ArrayAccessor<Float, Axis<0> > j(spec);
75  IPosition shp0 = spectrum_.shape();
76  IPosition shp1 = spec.shape();
77  if ( (shp0(2) != shp1(0)) || (shp0(3) != shp1(1)) ) {
78    cerr << "Arrays not conformant" << endl;     
79    return False;
80  }
81  //uInt chani = 0;
82  //uInt poli = 0;
83  // assert dimensions are the same....
84  for (ArrayAccessor<Float, Axis<2> > i(aa1);i != i.end(); ++i) {
85    //pols = spec.row(chani);   
86    ArrayAccessor<Float, Axis<1> > jj(j);
87    for (ArrayAccessor<Float, Axis<3> > ii(i);ii != ii.end(); ++ii) {
88      //(*ii) = pols[poli];     
89      (*ii) = (*jj);
90      //poli++;
91      jj++;
92    }
93    //poli = 0;
94    //chani++;
95    j++;
96  }
97  // unset flags for this spectrum, they might be set again by the
98  // setFlags method
99
100  IPosition shp = flags_.shape();
101  IPosition start(4,whichBeam,whichIF,0,0);
102  IPosition end(4,whichBeam,whichIF,shp(2)-1,shp(3)-1);
103  Array<uChar> arr(flags_(start,end));
104  arr = uChar(0);
105}
106
107Bool SDContainer::setFlags(const Matrix<uChar>& flag,
108                           uInt whichBeam, uInt whichIF) {
109
110  ArrayAccessor<uChar, Axis<0> > aa0(flags_);
111  aa0.reset(aa0.begin(whichBeam));
112  ArrayAccessor<uChar, Axis<1> > aa1(aa0);
113  aa1.reset(aa1.begin(whichIF));
114 
115  ArrayAccessor<uChar, Axis<0> > j(flag);
116  IPosition shp0 = flags_.shape();
117  IPosition shp1 = flag.shape();
118  if ( (shp0(2) != shp1(0)) || (shp0(3) != shp1(1)) ) {
119    cerr << "Arrays not conformant" << endl;     
120    return False;
121  }
122
123  // assert dimensions are the same....
124  for (ArrayAccessor<uChar, Axis<2> > i(aa1);i != i.end(); ++i) {
125    ArrayAccessor<uChar, Axis<1> > jj(j);
126    for (ArrayAccessor<uChar, Axis<3> > ii(i);ii != ii.end(); ++ii) {
127      (*ii) = (*jj);
128      jj++;
129    }
130    j++;
131  }
132}
133
134Bool SDContainer::setTsys(const Vector<Float>& tsys,
135                          uInt whichBeam, uInt whichIF) {
136  ArrayAccessor<Float, Axis<0> > aa0(tsys_);
137  aa0.reset(aa0.begin(whichBeam));
138  ArrayAccessor<Float, Axis<1> > aa1(aa0);
139  aa1.reset(aa1.begin(whichIF));
140  // assert dimensions are the same....
141  uInt idx = 0;
142
143
144  for (ArrayAccessor<Float, Axis<2> > i(aa1);i != i.end(); ++i) {   
145    idx = 0;
146    ArrayAccessor<Float, Axis<0> > j(tsys);
147    for (ArrayAccessor<Float, Axis<3> > ii(i);ii != ii.end(); ++ii) {
148      (*ii) = (*j);
149      j++;
150    }
151  }
152}
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