Line data Source code
1 : //# LayeredVi2Factory.cc: Implementation of the LayeredVi2Factory class.
2 : //#
3 : //# CASA - Common Astronomy Software Applications (http://casa.nrao.edu/)
4 : //# Copyright (C) Associated Universities, Inc. Washington DC, USA 2011, All rights reserved.
5 : //# Copyright (C) European Southern Observatory, 2011, All rights reserved.
6 : //#
7 : //# This library is free software; you can redistribute it and/or
8 : //# modify it under the terms of the GNU Lesser General Public
9 : //# License as published by the Free software Foundation; either
10 : //# version 2.1 of the License, or (at your option) any later version.
11 : //#
12 : //# This library is distributed in the hope that it will be useful,
13 : //# but WITHOUT ANY WARRANTY, without even the implied warranty of
14 : //# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 : //# Lesser General Public License for more details.
16 : //#
17 : //# You should have received a copy of the GNU Lesser General Public
18 : //# License along with this library; if not, write to the Free Software
19 : //# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
20 : //# MA 02111-1307 USA
21 : //# $Id: $
22 :
23 : #include <msvis/MSVis/LayeredVi2Factory.h>
24 :
25 :
26 : #include <stdcasa/UtilJ.h>
27 : #include <msvis/MSVis/VisibilityIterator2.h>
28 : #include <msvis/MSVis/VisibilityIteratorImpl2.h>
29 : #include <msvis/MSVis/VisBuffer2.h>
30 : #include <msvis/MSVis/AveragingTvi2.h>
31 : #include <msvis/MSVis/IteratingParameters.h>
32 : #include <msvis/MSVis/AveragingVi2Factory.h>
33 : #include <msvis/MSVis/CalibratingVi2FactoryI.h>
34 : #include <msvis/MSVis/ViFrequencySelection.h>
35 : #include <casacore/casa/BasicSL/String.h>
36 :
37 : using namespace casacore;
38 : namespace casa { //# NAMESPACE CASA - BEGIN
39 : namespace vi { //# NAMESPACE VI - BEGIN
40 :
41 :
42 : // -----------------------------------------------------------------------
43 0 : LayeredVi2Factory::LayeredVi2Factory(MeasurementSet* ms,
44 : IteratingParameters* iterpar,
45 0 : AveragingParameters* avepar) :
46 : ms_p(ms),
47 : iterpar_p(iterpar),
48 : avepar_p(avepar),
49 : doCal_p(false),
50 : callib_p(""),
51 : calrec_p(),
52 : nlayer_p(1),
53 0 : calvi2factory_p(0)
54 : {
55 :
56 : // Count requested layers
57 0 : if (avepar_p) ++nlayer_p;
58 :
59 0 : }
60 : // -----------------------------------------------------------------------
61 0 : LayeredVi2Factory::LayeredVi2Factory(MeasurementSet* ms,
62 : IteratingParameters* iterpar,
63 : const Record& calrec,
64 0 : AveragingParameters* avepar) :
65 : ms_p(ms),
66 : iterpar_p(iterpar),
67 : avepar_p(avepar),
68 : doCal_p(false),
69 : callib_p(""),
70 : calrec_p(calrec), // This ctor, by Record _only_
71 : nlayer_p(1),
72 0 : calvi2factory_p(0)
73 : {
74 :
75 : // Count requested layers
76 0 : if (avepar_p) ++nlayer_p;
77 :
78 : // ...and arrange for calibration, if necessary
79 0 : if (calrec_p.nfields()>0) {
80 0 : ++nlayer_p;
81 0 : doCal_p=true;
82 :
83 : // Set up the CalibratingVi2Factory (via Record)
84 0 : calvi2factory_p = CalibratingVi2FactoryI::generate();
85 0 : calvi2factory_p->initialize(ms,calrec);
86 : }
87 :
88 0 : }
89 :
90 : // -----------------------------------------------------------------------
91 0 : LayeredVi2Factory::LayeredVi2Factory(MeasurementSet* ms,
92 : IteratingParameters* iterpar,
93 : const String& callib,
94 0 : AveragingParameters* avepar) :
95 : ms_p(ms),
96 : iterpar_p(iterpar),
97 : avepar_p(avepar),
98 : doCal_p(false),
99 : callib_p(callib), // This ctor, by String _only_
100 : calrec_p(),
101 : nlayer_p(1),
102 0 : calvi2factory_p(0)
103 : {
104 :
105 : // Count requested layers
106 0 : if (avepar_p) ++nlayer_p;
107 :
108 :
109 0 : if (callib_p.length()>0) {
110 0 : ++nlayer_p;
111 0 : doCal_p=true; // Calibration is turned on
112 :
113 : // Set up the CalibratingVi2Factory (via String)
114 0 : calvi2factory_p = CalibratingVi2FactoryI::generate();
115 0 : calvi2factory_p->initialize(ms,callib_p);
116 : }
117 :
118 0 : }
119 :
120 : // -----------------------------------------------------------------------
121 0 : LayeredVi2Factory::~LayeredVi2Factory() {
122 :
123 : // Delete the CalibratingVi2FactorI*, if present
124 0 : if (calvi2factory_p)
125 0 : delete calvi2factory_p;
126 :
127 0 : }
128 :
129 :
130 : // -----------------------------------------------------------------------
131 0 : vi::ViImplementation2 * LayeredVi2Factory::createVi () const
132 : {
133 :
134 : // cout << "MSVis::LayeredVi2Factor::createVi" << endl;
135 :
136 :
137 : // A Vector of Vii's to fill up and delegate, will return the last one
138 0 : Vector<vi::ViImplementation2*> viis(nlayer_p);
139 :
140 : // The bottom layer is the standard vii2 that does I/O
141 0 : Int ilayer(0);
142 0 : viis[ilayer]= new vi::VisibilityIteratorImpl2 (Block<const MeasurementSet*>(1,ms_p),
143 0 : iterpar_p->getSortColumns(),
144 0 : iterpar_p->getChunkInterval(),
145 0 : true); // writable! (hardwired?)
146 :
147 : // TBD: consider if this is the layer where weight scaling should be applied?
148 0 : viis[ilayer]->setWeightScaling(iterpar_p->getWeightScaling());
149 :
150 : // If calibration requested
151 0 : if (doCal_p) {
152 0 : ++ilayer;
153 0 : Assert(ilayer<nlayer_p);
154 : // Call the factory
155 0 : viis[ilayer] = calvi2factory_p->createVi(viis[ilayer-1]);
156 : }
157 :
158 : // If (time) averaging requested
159 0 : if (avepar_p) {
160 0 : ++ilayer;
161 0 : Assert(ilayer<nlayer_p);
162 : // TBD: update the AveragingVi2Factory to permit layered createVi...
163 0 : viis[ilayer] = new AveragingTvi2(viis[ilayer-1],*avepar_p);
164 : }
165 :
166 : // Must be at the last layer now
167 0 : Assert((nlayer_p-ilayer)==1);
168 0 : Assert(viis[nlayer_p-1]);
169 :
170 : // Return outermost ViImplementation2 layer
171 0 : return viis[nlayer_p-1];
172 :
173 : }
174 :
175 : //////////////////////////////////////////////////////////////////////
176 : //
177 : // Class VisIterImpl2LayerFactory
178 : //
179 0 : VisIterImpl2LayerFactory::VisIterImpl2LayerFactory(MeasurementSet* ms,
180 : const IteratingParameters& pars,
181 : Bool writable,
182 0 : Bool useMSIter2)
183 : : ViiLayerFactory(),
184 : ms_(ms),
185 : pars_(pars),
186 : writable_(writable),
187 : useMSIter2_(useMSIter2),
188 0 : fullSortingSpecification_p(false)
189 0 : {}
190 :
191 0 : VisIterImpl2LayerFactory::VisIterImpl2LayerFactory(casacore::MeasurementSet * ms,
192 : const SortColumns & chunkSortColumns,
193 : const SortColumns & subchunkSortColumns,
194 0 : bool writable)
195 : : ViiLayerFactory(),
196 : ms_(ms),
197 : writable_(writable),
198 : useMSIter2_(false),
199 : fullSortingSpecification_p(true),
200 : chunkSortColumns_p(chunkSortColumns),
201 0 : subchunkSortColumns_p(subchunkSortColumns)
202 0 : {}
203 :
204 0 : void VisIterImpl2LayerFactory::setFrequencySelections(std::shared_ptr<FrequencySelections> selections)
205 : {
206 0 : frequencySelections_p = selections;
207 0 : }
208 :
209 : // VisIterImpl2-specific layer-creater
210 0 : ViImplementation2 * VisIterImpl2LayerFactory::createInstance (ViImplementation2* /*vii0*/) const {
211 :
212 : // No deeper layers (Uncomment and figure out pesky warning!)
213 : // Assert(!vii0);
214 :
215 : // Make it and return it
216 : ViImplementation2 *vii;
217 0 : if(fullSortingSpecification_p)
218 0 : vii = new VisibilityIteratorImpl2(Block<const MeasurementSet*>(1,ms_),
219 0 : chunkSortColumns_p,
220 0 : subchunkSortColumns_p,
221 0 : writable_);
222 :
223 : else
224 0 : vii = new VisibilityIteratorImpl2(Block<const MeasurementSet*>(1,ms_),
225 0 : pars_.getSortColumns(),
226 0 : pars_.getChunkInterval(),
227 0 : writable_,
228 0 : useMSIter2_);
229 :
230 0 : if(frequencySelections_p)
231 0 : vii->setFrequencySelections(*frequencySelections_p);
232 :
233 0 : return vii;
234 : }
235 :
236 :
237 :
238 :
239 : } //# NAMESPACE VI - END
240 : } //# NAMESPACE CASA - END
241 :
242 :
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