LCOV - code coverage report
Current view: top level - synthesis/TransformMachines2 - SetJyGridFT.cc (source / functions) Hit Total Coverage
Test: casacpp_coverage.info Lines: 81 134 60.4 %
Date: 2024-12-11 20:54:31 Functions: 3 13 23.1 %

          Line data    Source code
       1             : //# SetJyGridFT.cc: Implementation of GridFT class
       2             : //# Copyright (C) 2012-2015
       3             : //# Associated Universities, Inc. Washington DC, USA.
       4             : //#
       5             : //# This library is free software; you can redistribute it and/or modify it
       6             : //# under the terms of the GNU Library General Public License as published by
       7             : //# the Free Software Foundation; either version 2 of the License, or (at your
       8             : //# option) any later version.
       9             : //#
      10             : //# This library is distributed in the hope that it will be useful, but WITHOUT
      11             : //# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
      12             : //# FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Library General Public
      13             : //# License for more details.
      14             : //#
      15             : //# You should have received a copy of the GNU Library General Public License
      16             : //# along with this library; if not, write to the Free Software Foundation,
      17             : //# Inc., 675 Massachusetts Ave, Cambridge, MA 02139, USA.
      18             : //#
      19             : //# Correspondence concerning AIPS++ should be addressed as follows:
      20             : //#        Internet email: casa-feedback@nrao.edu.
      21             : //#        Postal address: AIPS++ Project Office
      22             : //#                        National Radio Astronomy Observatory
      23             : //#                        520 Edgemont Road
      24             : //#                        Charlottesville, VA 22903-2475 USA
      25             : //#
      26             : /*
      27             :  * SetJyGridFT.cc
      28             :  *
      29             :  *  Created on: Jun 11, 2012
      30             :  *      Author: kgolap
      31             :  */
      32             : #include <msvis/MSVis/VisibilityIterator2.h>
      33             : #include <casacore/casa/Quanta/UnitMap.h>
      34             : #include <casacore/casa/Quanta/UnitVal.h>
      35             : #include <casacore/measures/Measures/Stokes.h>
      36             : #include <casacore/coordinates/Coordinates/CoordinateSystem.h>
      37             : #include <casacore/coordinates/Coordinates/DirectionCoordinate.h>
      38             : #include <casacore/coordinates/Coordinates/SpectralCoordinate.h>
      39             : #include <casacore/coordinates/Coordinates/StokesCoordinate.h>
      40             : #include <casacore/coordinates/Coordinates/Projection.h>
      41             : #include <casacore/ms/MeasurementSets/MSColumns.h>
      42             : #include <casacore/casa/BasicSL/Constants.h>
      43             : #include <casacore/scimath/Mathematics/FFTServer.h>
      44             : #include <synthesis/TransformMachines2/SetJyGridFT.h>
      45             : #include <casacore/scimath/Mathematics/RigidVector.h>
      46             : #include <msvis/MSVis/StokesVector.h>
      47             : #include <synthesis/TransformMachines/StokesImageUtil.h>
      48             : #include <msvis/MSVis/VisBuffer2.h>
      49             : #include <casacore/images/Images/ImageInterface.h>
      50             : #include <casacore/images/Images/PagedImage.h>
      51             : #include <casacore/casa/Containers/Block.h>
      52             : #include <casacore/casa/Containers/Record.h>
      53             : #include <casacore/casa/Arrays/ArrayLogical.h>
      54             : #include <casacore/casa/Arrays/ArrayMath.h>
      55             : #include <casacore/casa/Arrays/Array.h>
      56             : #include <casacore/casa/Arrays/MaskedArray.h>
      57             : #include <casacore/casa/Arrays/Vector.h>
      58             : #include <casacore/casa/Arrays/Matrix.h>
      59             : #include <casacore/casa/Arrays/Cube.h>
      60             : #include <casacore/casa/Arrays/MatrixIter.h>
      61             : #include <casacore/casa/BasicSL/String.h>
      62             : #include <casacore/casa/Utilities/Assert.h>
      63             : #include <casacore/casa/Exceptions/Error.h>
      64             : #include <casacore/lattices/Lattices/ArrayLattice.h>
      65             : #include <casacore/measures/Measures/UVWMachine.h>
      66             : #include <casacore/lattices/Lattices/SubLattice.h>
      67             : #include <casacore/lattices/LRegions/LCBox.h>
      68             : #include <casacore/lattices/Lattices/LatticeCache.h>
      69             : #include <casacore/lattices/LatticeMath/LatticeFFT.h>
      70             : #include <casacore/lattices/Lattices/LatticeIterator.h>
      71             : #include <casacore/lattices/Lattices/LatticeStepper.h>
      72             : #include <casacore/scimath/Mathematics/ConvolveGridder.h>
      73             : #include <casacore/casa/Utilities/CompositeNumber.h>
      74             : #include <casacore/casa/OS/Timer.h>
      75             : #include <sstream>
      76             : #ifdef _OPENMP
      77             : #include <omp.h>
      78             : #endif
      79             : 
      80             : using namespace casacore;
      81             : namespace casa { //# NAMESPACE CASA - BEGIN
      82             : using namespace casacore;
      83             :   //  using namespace casa::async;
      84             : namespace refim {//# namespace for imaging refactor
      85             : 
      86             : using namespace casacore;
      87             : using namespace casa;
      88             : using namespace casacore;
      89             : using namespace casa::refim;
      90             : 
      91             : #define NEED_UNDERSCORES
      92             : #if defined(NEED_UNDERSCORES)
      93             : #define sectdgridjy sectdgridjy_
      94             : #endif
      95             : 
      96             : extern "C" {
      97             : void sectdgridjy(Complex*,
      98             :                 const Int*,
      99             :                 const Int*,
     100             :                 const Int*,
     101             :                 const Int*,
     102             :                 const Int*,
     103             :                 const Complex*,
     104             :                 const Int*,
     105             :                 const Int*,
     106             :                 const Int *,
     107             :                 const Int *,
     108             :                  //support
     109             :                 const Int*,
     110             :                 const Int*,
     111             :                 const Double*,
     112             :                 const Int*,
     113             :                  const Int*,
     114             :                  //rbeg, rend, loc, off, phasor
     115             :                  const Int*,
     116             :                  const Int*,
     117             :                  const Int*,
     118             :                  const Int*,
     119             :                  const Complex*,
     120             :                  const Double*);
     121             : }
     122           1 : SetJyGridFT::SetJyGridFT(Long icachesize, Int itilesize, String iconvType,
     123             :                    MPosition mLocation, MDirection mTangent, Float padding,
     124           1 :                    Bool usezero, Bool useDoublePrec,const Vector<Double>& frequencyscale, const Vector<Double>& scale):GridFT(icachesize, itilesize, iconvType,
     125           1 :                                    mLocation, mTangent, padding, usezero,       useDoublePrec), freqscale_p(frequencyscale),
     126           1 :                                    scale_p(scale) {
     127             : 
     128           1 :   machineName_p="SetJyGridFT";
     129             : 
     130             :   
     131           1 : }
     132             : 
     133           0 :   SetJyGridFT::~SetJyGridFT(){
     134             :     
     135           0 :   }
     136             : 
     137           0 : SetJyGridFT::SetJyGridFT(const RecordInterface& stateRec)
     138           0 : : GridFT()
     139             : {
     140             :   // Construct from the input state record
     141           0 :   String error;
     142           0 :   if (!fromRecord(error, stateRec)) {
     143           0 :     throw (AipsError("Failed to create gridder: " + error));
     144             :   };
     145           0 : }
     146           0 : SetJyGridFT::SetJyGridFT(const SetJyGridFT& other) : GridFT()
     147             : {
     148           0 :   machineName_p=("SetJyGridFT");
     149           0 :   operator=(other);
     150           0 : }
     151             : 
     152           0 : SetJyGridFT& SetJyGridFT::operator=(const SetJyGridFT& other)
     153             : {
     154           0 :   if(this!=&other) {
     155             :     //Do the base parameters
     156           0 :     GridFT::operator=(other);
     157           0 :     freqscale_p.resize();
     158           0 :     freqscale_p=other.freqscale_p;
     159           0 :     scale_p.resize();
     160           0 :     scale_p=other.scale_p;
     161             :   }
     162           0 :   return *this;
     163             : }
     164             : 
     165           0 : FTMachine* SetJyGridFT::cloneFTM(){
     166           0 :     return new SetJyGridFT(*this);
     167             : }
     168           0 : void SetJyGridFT::setScale(const Vector<Double>& freq, const Vector<Double>& scale){
     169           0 :   freqscale_p.resize();
     170           0 :   freqscale_p=freq;
     171           0 :   scale_p.resize();
     172           0 :   scale_p=scale;
     173             : 
     174           0 : }
     175           0 : String SetJyGridFT::name() const{
     176             : 
     177           0 :         return String("SetJyGridFT");
     178             : }
     179           1 : void SetJyGridFT::initializeToVis(ImageInterface<Complex>& image,
     180             :                                   const vi::VisBuffer2& vb){
     181           1 :         setFreqInterpolation(String("nearest"));
     182           1 :         GridFT::initializeToVis(image, vb);
     183           1 : }
     184             : 
     185           0 : Bool SetJyGridFT::toRecord(String& error,
     186             :                            RecordInterface& outRec, Bool withImage, const String diskimage)
     187             : {
     188           0 :   if(!GridFT::toRecord(error, outRec, withImage, diskimage))
     189           0 :     return false;
     190           0 :   outRec.define("freqscale", freqscale_p);
     191           0 :   outRec.define("scaleamp", scale_p);
     192           0 :   return true;
     193             : }
     194           0 : Bool SetJyGridFT::fromRecord(String& error,
     195             :                         const RecordInterface& inRec)
     196             : {
     197             :   
     198           0 :   if(!GridFT::fromRecord(error, inRec))
     199           0 :     return false;
     200           0 :   freqscale_p.resize();
     201           0 :   inRec.get("freqscale", freqscale_p);
     202           0 :   scale_p.resize();
     203           0 :   inRec.get("scaleamp", scale_p);
     204           0 :   machineName_p="SetJyGridFT";
     205           0 :   return true;
     206             : }
     207         200 :   void SetJyGridFT::get(vi::VisBuffer2& vb, Int row){
     208             :   //Did somebody really want this version.
     209         200 :   if(scale_p.nelements()==0)
     210           0 :     return GridFT::get(vb,row);
     211             : 
     212         200 :   gridOk(gridder->cSupport()(0));
     213             :   // If row is -1 then we pass through all rows
     214             :   Int startRow, endRow, nRow;
     215         200 :   if (row < 0) {
     216         200 :     nRow=vb.nRows();
     217         200 :     startRow=0;
     218         200 :     endRow=nRow-1;
     219             :             //unnecessary zeroing
     220             :             //vb.modelVisCube()=Complex(0.0,0.0);
     221             :   } else {
     222           0 :     nRow=1;
     223           0 :     startRow=row;
     224           0 :     endRow=row;
     225             :     //unnecessary zeroing
     226             :     //vb.modelVisCube().xyPlane(row)=Complex(0.0,0.0);
     227             :   }
     228             : 
     229             :           // Get the uvws in a form that Fortran can use
     230         200 :   Matrix<Double> uvw(negateUV(vb));
     231         200 :   Vector<Double> dphase(vb.nRows());
     232         200 :   dphase=0.0;
     233         200 :   rotateUVW(uvw, dphase, vb);
     234         200 :   refocus(uvw, vb.antenna1(), vb.antenna2(), dphase, vb);
     235             : 
     236             : 
     237             : 
     238             :   //Check if ms has changed then cache new spw and chan selection
     239             :   //if(vb.newMS())
     240             :   //        matchAllSpwChans(vb);
     241             : 
     242             : 
     243             :           //Here we redo the match or use previous match
     244             : 
     245             :           //Channel matching for the actual spectral window of buffer
     246             :   //      if(doConversion_p[vb.spectralWindow()]){
     247         200 :   matchChannel(vb);
     248             :             //    }
     249             :             //    else{
     250             :             //  chanMap.resize();
     251             :             //  chanMap=multiChanMap_p[vb.spectralWindow()];
     252             :             // }
     253             : 
     254             :           //cerr << "chanMap " << chanMap << endl;
     255             :           //No point in reading data if its not matching in frequency
     256         200 :   if(max(chanMap)==-1)
     257           0 :     return;
     258             :   
     259         200 :   Cube<Complex> data;
     260         200 :   Cube<Int> flags;
     261         200 :   getInterpolateArrays(vb, data, flags);
     262             : 
     263         200 :   Vector<Double> lsrfreq;
     264             :   //Bool convert;
     265             : 
     266         200 :   InterpolateArray1D<Double, Double>::InterpolationMethod  meth= InterpolateArray1D<Double, Double>::nearestNeighbour;
     267         200 :   if(freqscale_p.nelements() > 2)
     268           0 :     meth= InterpolateArray1D<Double, Double>::linear;
     269             :   
     270         200 :   lsrfreq=vb.getFrequencies(0,MFrequency::LSRK);
     271             :   //vb.lsrFrequency(vb.spectralWindow(), lsrfreq, convert);
     272         200 :   interpscale_p.resize(lsrfreq.nelements());
     273             :   InterpolateArray1D<Double,Double>::
     274         200 :                 interpolate(interpscale_p,lsrfreq, freqscale_p, scale_p,meth);
     275             :  
     276             :   //    IPosition s(data.shape());
     277         200 :   Int nvp=data.shape()(0);
     278         200 :   Int nvc=data.shape()(1);
     279         200 :   Int nvisrow=data.shape()(2);
     280             : 
     281             :   
     282             :   //cerr << "get flags " << min(flags) << "  " << max(flags) << endl;
     283             :   Complex *datStorage;
     284             :   Bool isCopy;
     285         200 :   datStorage=data.getStorage(isCopy);
     286             :   
     287             :   ///
     288         200 :   Cube<Int> loc(2, nvc, nvisrow);
     289         200 :   Cube<Int> off(2, nvc, nRow);
     290         200 :   Matrix<Complex> phasor(nvc, nRow);
     291         200 :   Int csamp=gridder->cSampling();
     292             :   Bool delphase;
     293             :   Bool del;
     294         200 :   Complex * phasorstor=phasor.getStorage(delphase);
     295         200 :   const Double * visfreqstor=interpVisFreq_p.getStorage(del);
     296         200 :   const Double * scalestor=uvScale.getStorage(del);
     297         200 :   const Double * offsetstor=uvOffset.getStorage(del);
     298         200 :   const Double* uvstor= uvw.getStorage(del);
     299         200 :   Int * locstor=loc.getStorage(del);
     300         200 :   Int * offstor=off.getStorage(del);
     301         200 :   const Double *dpstor=dphase.getStorage(del);
     302         200 :   const Double *freqscalestor=interpscale_p.getStorage(del);
     303             :   //Vector<Double> f1=interpVisFreq_p.copy();
     304         200 :   Int nvchan=nvc;
     305             :   Int irow;
     306         200 : #pragma omp parallel default(none) private(irow) firstprivate(visfreqstor, nvchan, scalestor, offsetstor, csamp, phasorstor, uvstor, locstor, offstor, dpstor) shared(startRow, endRow) num_threads(4)
     307             :   {
     308             : #pragma omp for
     309             :     for (irow=startRow; irow<=endRow; ++irow){
     310             :       locateuvw(uvstor,dpstor, visfreqstor, nvchan, scalestor, offsetstor, csamp,
     311             :                 locstor,
     312             :                 offstor, phasorstor, irow);
     313             :     }
     314             :     
     315             :   }//end pragma parallel
     316             :   
     317         200 :   Int rbeg=startRow+1;
     318         200 :   Int rend=endRow+1;
     319             : 
     320             : 
     321         200 :   Vector<Int> rowFlags(vb.nRows());
     322         200 :   rowFlags=0;
     323         200 :   rowFlags(vb.flagRow())=true;
     324         200 :   if(!usezero_p) {
     325       70400 :     for (Int rownr=startRow; rownr<=endRow; rownr++) {
     326       70200 :       if(vb.antenna1()(rownr)==vb.antenna2()(rownr)) rowFlags(rownr)=1;
     327             :     }
     328             :   }
     329             : 
     330             : 
     331             :   //cerr <<"offset " << min(off) << "  " <<max(off) << " length " << gridder->cFunction().shape() << endl;
     332             :   
     333             :   {
     334             :     Bool delgrid;
     335         200 :     const Complex* gridstor=griddedData.getStorage(delgrid);
     336         200 :     const Double * convfuncstor=(gridder->cFunction()).getStorage(del);
     337             :     
     338         200 :     const Int* pmapstor=polMap.getStorage(del);
     339         200 :     const Int *cmapstor=chanMap.getStorage(del);
     340         200 :     Int nc=nchan;
     341         200 :     Int np=npol;
     342         200 :     Int nxp=nx;
     343         200 :     Int nyp=ny;
     344         200 :     Int csupp=gridder->cSupport()(0);
     345         200 :     const Int * flagstor=flags.getStorage(del);
     346         200 :     const Int * rowflagstor=rowFlags.getStorage(del);
     347             :     
     348             :     
     349         200 :     Int npart=1;
     350             : #ifdef _OPENMP
     351         200 :     Int nthreads=omp_get_max_threads();
     352         200 :     if (nthreads >3){
     353         200 :       npart=4;
     354             :     }
     355           0 :     else if(nthreads >1){
     356           0 :       npart=2;
     357             :     }
     358             : #endif
     359         200 :     Int ix=0;
     360         200 : #pragma omp parallel default(none) private(ix, rbeg, rend) firstprivate(datStorage, flagstor, rowflagstor, convfuncstor, pmapstor, cmapstor, gridstor, nxp, nyp, np, nc, csamp, csupp, nvp, nvc, nvisrow, phasorstor, locstor, offstor, freqscalestor) shared(npart) num_threads(npart)
     361             :     {
     362             : #pragma omp for 
     363             :       for (ix=0; ix< npart; ++ix){
     364             :         rbeg=ix*(nvisrow/npart)+1;
     365             :         rend=(ix != (npart-1)) ? (rbeg+(nvisrow/npart)-1) : (rbeg+(nvisrow/npart)+nvisrow%npart-1) ;
     366             :         //cerr << "rbeg " << rbeg << " rend " << rend << "  " << nvisrow << endl;
     367             :         
     368             :         sectdgridjy(datStorage,
     369             :                     &nvp,
     370             :                     &nvc,
     371             :                     flagstor,
     372             :                     rowflagstor,
     373             :                     &nvisrow,
     374             :                     gridstor,
     375             :                     &nxp,
     376             :                     &nyp,
     377             :                     &np,
     378             :                     &nc,
     379             :                     &csupp,
     380             :                     &csamp,
     381             :                     convfuncstor,
     382             :                     cmapstor,
     383             :                     pmapstor,
     384             :                     &rbeg, &rend, locstor, offstor, phasorstor, freqscalestor);
     385             :       }//end pragma parallel
     386             :     }
     387         200 :     data.putStorage(datStorage, isCopy);
     388         200 :     griddedData.freeStorage(gridstor, delgrid);
     389             :     //cerr << "Get min max " << min(data) << "   " << max(data) << endl;
     390             :   }
     391         200 :   interpolateFrequencyFromgrid(vb, data, FTMachine::MODEL);
     392             : 
     393             : 
     394         200 : }
     395             : 
     396             : 
     397             : 
     398             : }//END refim namespace
     399             : 
     400             : }//END casa namespace

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